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2005-05-06 Eric Christopher <echristo@redhat.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-05-06  Eric Christopher  <echristo@redhat.com>
2
3         * config/mips/mips.opt: Remove -mint64 option.
4         * config/mips/mips.c (override_options): Remove -mint64
5         handling.
6         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
7         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
8         64-bit integer handling.
9         * doc/invoke.texi (Option Summary): Remove -mint64 for
10         mips.
11
12 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
13
14         PR tree-optimization/19401
15         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
16         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
17         (estimated_unrolled_size): New function.
18         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
19         tree_unroll_loops_completely): Always unroll loops if the code size
20         does not increase.
21         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
22         loops should be unrolled completely.
23         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
24
25 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
26
27         PR rtl-optimization/21254
28         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
29         assumptions for loops that otherwise do not roll.
30         (find_simple_exit): Prefer # of iterations that is guaranteed
31         not to be infinite.
32         * loop-unroll.c (decide_peel_once_rolling,
33         decide_peel_completely): Check whether the loop is infinite.
34
35 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
36
37         * config/rs6000/sysv4.opt: Fix typo.
38
39 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
40             Jakub Jelinek  <jakub@redhat.com>
41
42         PR target/21329
43         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
44         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
45         Don't use rep; movs{l,q} if the repetition count is really small,
46         instead use a sequence of movs{l,q} instructions.
47
48 2005-05-06  Jeff Law  <law@redhat.com>
49
50         PR tree-optimization/21380
51         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
52         thread through a block with no preds.
53
54 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
55
56         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
57         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
58         add_call_read_ops): Use VEC instead of VARRAY.
59
60 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
61
62         * config/mcore/mcore.c (mcore_print_operand_address): Use
63         gcc_assert and gcc_unreachable as appropriate.
64         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
65         mcore_output_andn, output_inline_const, mcore_output_move,
66         mcore_output_movedouble, mcore_expand_block_move,
67         layout_mcore_frame, mcore_initial_elimination_offset,
68         mcore_expand_prolog, mcore_mark_dllexport,
69         mcore_mark_dllimport): Likewise.
70         * config/mcore/mcore.h (switch_to_section): Likewise.
71         * config/mcore/mcore.md: Likewise.
72
73 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
74
75         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
76         TARGET_PROFILE_KERNEL.
77
78         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
79         TARGET_PROFILE_KERNEL use.
80
81 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
82
83         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
84         and gcc_unreachable, as appropriate.
85         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
86         m32r_expand_prologue, m32r_output_function_epilogue,
87         m32r_legitimize_pic_address, m32r_print_operand_address,
88         emit_cond_move, m32r_function_symbol,
89         m32r_output_block_move): Likewise.
90         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
91         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
92         *rev_zero_branch_insn): Likewise.
93         
94 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
95
96         PR c++/20961
97         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
98         if both NEWDECL and OLDDECL are already weak.
99
100 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
101
102         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
103
104 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
105             Kaz Kojima  <kkojima@gcc.gnu.org>
106
107         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
108         and plus_constant.
109
110 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
111             David Edelsohn  <edelsohn@gnu.org>
112
113         * config.gcc: Add .opt magic for the rs6000 ports.
114
115         * doc/invoke.texi: Document -mabi= option properly.  Document
116         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
117         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
118         -misel=.
119
120         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
121         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
122         TARGET_XL_COMPAT.
123
124         * config/rs6000/aix.opt: New.
125         * config/rs6000/aix41.opt: New.
126         * config/rs6000/aix64.opt: New.
127         * config/rs6000/darwin.opt: New.
128         * config/rs6000/linux64.opt: New.
129         * config/rs6000/rs6000.opt: New.
130         * config/rs6000/sysv4.opt: New.
131
132         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
133         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
134         SUBTARGET_SWITCHES.
135         Define TARGET_USES_SYSV4_OPT.
136         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
137         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
138         TARGET_USES_AIX64_OPT.
139         * config/rs6000/aix51.h: Same.
140         * config/rs6000/aix52.h: Same.
141         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
142         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
143         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
144         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
145         * config/rs6000/linux64.h: Use
146         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
147
148         * config/rs6000/rs6000.c: Remove definitions of
149         rs6000_sched_restricted_insns_priority,
150         rs6000_long_double_size_string, rs6000_altivec_vrsave,
151         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
152         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
153         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
154         rs6000_alignment_string.  Define rs6000_explicit_options.
155         (rs6000_parse_abi_options): Remove.
156         (rs6000_parse_alignment_option): Remove.
157         (rs6000_parse_float_gprs_option): Remove.
158         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
159         TARGET_DEFAULT_TARGET_FLAGS.
160         (rs6000_override_options): Revamp to use new .opt machinery.
161
162         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
163         of new .opt machinery.  Remove target_flags.  Redefine
164         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
165         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
166         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
167         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
168         rs6000_longcall_switch, rs6000_default_long_calls,
169         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
170         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
171         TARGET_ALTIVEC_VRSAVE.
172
173 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
174
175         * config.gcc (hppa1.1-*-rtems*): Remove.
176         * config/pa/rtems.h: Remove.
177
178 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
179
180         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
181         Exclude roe/603e multilib variants.
182
183 2005-05-04  Denis Chertykov  <denisc@overta.ru>
184
185         PR target/21284
186         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
187         for output.
188
189 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
190
191         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
192         arm/pe.opt to $extra_options.
193         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
194         (target_float_abi_name, target_float_switch, target_abi_name)
195         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
196         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
197         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
198         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
199         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
200         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
201         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
202         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
203         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
204         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
205         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
206         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
207         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
208         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
209         (arm_pic_register_string): Delete.
210         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
211         TARGET_TPCS_FRAME.
212         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
213         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
214         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
215         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
216         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
217         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
218         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
219         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
220         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
221         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
222         (SUBTARGET_SWITCHES): Delete.
223         * config/arm/arm.c (target_float_switch): Delete.
224         (arm_cpu_select): Moved from config/arm/arm.h.
225         (target_fpu_name, target_fpe_name, target_float_abi_name)
226         (target_abi_name, structure_size_string, arm_pic_register_string)
227         (arm_select): Make static.
228         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
229         (arm_handle_option): New function.
230         (arm_override_options): Update target_flags checks for new mask names.
231         Remove target_float_switch code.
232         (arm_expand_prologue, thumb_expand_prologue): Check
233         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
234         * config/arm/arm.opt, config/arm/pe.opt: New files.
235
236 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
237
238         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
239         gcc_unreachable as appropriate.
240         (arc_double_limm_p, arc_setup_incoming_varargs,
241         arc_compute_function_type, arc_output_function_prologue,
242         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
243         output_shift, arc_print_operand, arc_print_operand_address,
244         arc_final_prescan_insn): Likewise.
245         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
246
247 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
248
249         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
250         comparing Pmode.
251         (SDI): New.
252         (cmp): Delete.
253         (wd): New.
254         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
255         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
256         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
257         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
258         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
259         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
260         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
261         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
262
263 2005-05-05  Paul Brook  <paul@codesourcery.com>
264
265         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
266         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
267         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
268         and tree-data-ref.h with *_H variables.
269
270 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
271
272         * config/m32r/xm-m32r.h, config/m32r/linux.h: Delete files.
273
274 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
275
276         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
277
278 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
279
280         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
281
282 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
283
284         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
285         setting of vrsave register for current function after
286         call to save_world is emitted.
287
288 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
289
290         * config/mmix/predicates.md: New file.
291         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
292         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
293         (mmix_foldable_comparison_operator, mmix_comparison_operator)
294         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
295         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
296         Don't define.
297         * config/mmix/mmix.md: Include predicates.md.
298         ("call", "call_value"): Force address to register if it isn't a
299         mmix_symbolic_or_address_operand.
300
301 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
302
303         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
304         the flags are of appropriate types.
305         (num_ssa_operands): Generalize using the generic interface.
306         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
307         iterator.
308
309 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
310
311         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
312         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
313
314 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
315
316         * tree-outof-ssa.c (edge_leader, stmt_list,
317         analyze_edges_for_bb): Use VEC instead of VARRAY.
318         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
319         (perform_edge_inserts): Call init_analayze_edges_for_bb and
320         fini_analayze_edges_for_bb.
321
322 2005-05-04  James E Wilson  <wilson@specifixinc.com>
323
324         PR driver/21112
325         * gcc.c (process_command): In the second argv scan loop, ignore
326         Xassembler and Xpreprocessor, along with their argument.
327
328 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
329
330         * tree-flow-inline.h, tree-ssa-operands.c,
331         tree-ssa-operands.h, tree-ssa-opfinalize.h:
332         Likewise. tree-vn.c: Fix comment typos.
333         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
334
335 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
336
337         * doc/tm.texi (Target Hooks): Document
338         TARGET_RESOLVE_OVERLOADED_BUILTIN.
339
340 2005-05-04  Paul Brook  <paul@codesourcery.com>
341
342         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
343
344 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
345
346         * dwarf2out.c (incomplete_types, retry_incomplete_types,
347         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
348         of VARRAY.
349
350         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
351         get_expansion, expand_var_during_unrolling,
352         insert_var_expansion_initialization,
353         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
354         instead of VARRAY.
355
356         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
357         update_stmt.
358
359 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
360
361         PR middle-end/15618
362         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
363         the same as INTEGER_TYPE.
364         (fold_binary): Fold "bool_var != 0" to bool_var.
365         Fold "bool_var == 1" to bool_var.
366
367 2004-05-03  Richard Henderson  <rth@redhat.com>
368
369         PR middle-end/21318
370         * function.c (instantiate_virtual_regs_in_insn): Use the mode
371         from recog_data instead of insn_data.
372
373 2005-05-03  DJ Delorie  <dj@redhat.com>
374
375         * common.opt (fdiagnostics-show-option): No variable is needed.
376         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
377         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
378         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
379         Save and restore original message format.  Use flag in context
380         instead of global.
381         (warning): Don't test for enabled warnings here.
382         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
383         here.
384
385 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
386
387         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
388         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
389         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
390         * aclocal.m4: Don't include accross.m4.
391         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
392         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
393         * configure, config.in: Regenerate.
394         
395 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
396
397         PR middle-end/21265
398         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
399         (clear_storage): Add argument.
400         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
401         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
402         tailcall.
403         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
404         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
405         (store_expr, store_constructor): Adjust callers.
406         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
407         to emit_block_move if CALL_EXPR_TAILCALL (exp).
408         (expand_builtin_memmove): Add ORIG_EXP argument, copy
409         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
410         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
411         with EXP.  Pass EXP to expand_builtin_memmove.
412         (expand_builtin_memset): Add ORIG_EXP argument, pass
413         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
414         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
415         Pass EXP to expand_builtin_memset.
416         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
417         the new CALL_EXPR.
418         (expand_builtin_strncmp): Likewise.
419         (expand_builtin_printf): Replace ARGLIST argument with EXP.
420         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
421         (expand_builtin_fprintf): Likewise.
422         (expand_builtin): Adjust calls to
423         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
424
425         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
426         item in V4SF mode.
427
428         PR rtl-optimization/21239
429         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
430
431 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
432
433         * tree-flow.h (tree_ann_common_d): Move aux to ...
434         (stmt_ann_d): ... here.
435         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
436         move_computations_stmt, schedule_sm): Update references to
437         aux.
438         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
439
440         * tree-cfg.c (remove_bb): Remove a redundant call to
441         set_bb_for_stmt.
442         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
443         Likewise.
444
445 2005-05-03  Richard Henderson  <rth@redhat.com>
446
447         * config/rs6000/rs6000.c: Remove conflict markers.
448
449         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
450
451 2005-05-03  James E Wilson  <wilson@specifixinc.com>
452
453         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
454
455 2005-05-03  DJ Delorie  <dj@redhat.com>
456
457         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
458         decide if the warning will be printed.
459         * calls.c (expand_call): Likewise.
460         * function.c (init-function_start): Likewise.
461
462         * common.opt (-fdiagnostics-show-option): New.
463         * opts.c (option_enabled): Accept the option index instead of a
464         pointer to the option descriptor.
465         * opts.h (option_enabled): Likewise.
466         * toplev.c (print_switch_values): Pass option index, not option
467         descriptor.
468         * diagnostic.h (diagnostic_info): Add option_index.
469         * diagnostic.c: Include opts.h.
470         (diagnostic_set_info): Initialize option_index.
471         (diagnostic_report_diagnostic): Amend option name if appropriate.
472         (warning): Check to see if the specified warning is enabled.
473         Store option index.
474         * doc/invoke.texi (-fdiagnostics-show-options): Document.
475
476 2005-05-03  Richard Henderson  <rth@redhat.com>
477
478         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
479         SPEC_OR_GEN_REGS definitions.
480
481 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
482
483         PR target/16888
484         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
485         for unavailable registers.
486
487 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
488
489         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
490
491         * cfglayout.c (block_locators_blocks,
492         insn_locators_initialize, insn_scope): Use VEC instead of
493         VARRAY.
494
495         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
496         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
497         VARRAY.
498
499 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
500
501         * config/sparc/predicates.md (const_compl_high_operand): New.
502         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
503         gen_safe_HIGH64.
504         (sparc_emit_set_const64_quick1): Adjust for above change.
505         (sparc_emit_set_const64_quick2): Likewise.
506         (sparc_emit_set_const64_longway): Likewise.
507         (sparc_emit_set_const64): Likewise.
508         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
509         movdi_const64_special): Delete.
510         (logical constant splitters): Use const_compl_high_operand.
511
512 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
513
514         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
515         rather than STRIP_NOPS.
516
517 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
518
519         PR rtl-optimization/21330
520         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
521         returning non-NULL.
522         (unswitch_single_loop): Clear cinsn when retrying.
523
524         PR target/21297
525         * config/i386/i386.c (legitimize_address): When canonicalizing
526         ASHIFT into MULT, multiply by 1 << shift_count instead of
527         1 << log2 (shift_count).
528
529 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
530
531         * lambda-code.c (gcc_loop_to_lambda_loop, 
532         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
533         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
534         generic operand interface.
535         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
536         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
537         generic operand interface.
538         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list, 
539         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
540         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
541         num_imm_uses): Use ssa_use_operand_t.
542         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
543         get_v_must_def_ops): Delete.
544         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
545         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
546         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
547         get_v_must_def_kill_ptr): Delete.
548         (delink_stmt_imm_use): Move and use new operand interface.
549         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
550         op_iter_next_tree): Use new operand implementation.
551         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
552         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator 
553         type check.
554         (op_iter_next_mustdef, op_iter_next_maydef, 
555         op_iter_next_must_and_may_def): Delete. Replace with...
556         (op_iter_next_maymustdef): New.  Combine must and may next operations.
557         (op_iter_init_maydef, op_iter_init_mustdef, 
558         op_iter_init_must_and_may_def): Use new interface.
559         (single_ssa_tree_operand ): New.  Process single operands only as trees.
560         (single_ssa_use_operand): New.  Process single operands only as uses.
561         (single_ssa_def_operand): New.  Process single operands only as defs.
562         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
563         specified types.
564         (num_ssa_operands): New.  Count the number of specified operands.
565         (compare_ssa_operands_equal): New.  Compare two statements' operands.
566         (single_phi_def): New.  Return true if PHI has one def of the specified
567         operand type.
568         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
569         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
570         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
571         (struct stmt_ann_d): Operands field no longer require GTY().
572         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
573         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
574         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb, 
575         dump_replaceable_exprs, rewrite_trees): Use generic interface.
576         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node): 
577         Use use_operand_p instead of ssa_imm_use_t *.
578         * tree-pretty-print.c (dump_vops): check if operands are active before
579         dumping virtual operands.
580         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
581         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
582         (ccp_fold): Use new interface.
583         (ccp_visit_stmt): Remove unused variables and code.
584         (convert_to_gimple_builtin): Insert statements before calling 
585         mark_new_vars_to_rename.
586         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
587         (copy_prop_visit_cond_stmt): Use generic interface.
588         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the 
589         annotation in table.
590         (thread_across_edge): Use generic interface.
591         (initialize_hash_element): Initialzie with stmt, not annotation.
592         (eliminate_redundant_computations): Use generic interface.
593         (record_equivalences_from_stmt): Pass stmt, not annotation.
594         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
595         interface.
596         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
597         * tree-ssa-loop-ivopts.c (find_invariants_stmt, 
598         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use 
599         generic operand interface.
600         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
601         interface.
602         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
603         Interface.
604         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
605         (build_defs, build_uses, build_v_may_defs, build_vuses, 
606         build_v_must_defs): Change type to struct opbuild_list_d.
607         (ops_active): New.  Operands active boolean.
608         (operand_memory, operand_memory_index): New.  Operand memory managers.
609         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
610         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
611         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs): 
612         Change from functions to static variable list heads.
613         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
614         (opbuild_initialize_real): New.  Initialize a virtual build list.
615         (opbuild_free): New.  Free a build list.
616         (opbuild_num_elems): New.  Number of items in a list.
617         (opbuild_append_real): New.  Add a real (tree *) operand.
618         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
619         (opbuild_first): New.  Return first element index in a list.
620         (opbuild_next): New.  Return next element in a list.
621         (opbuild_elem_real): New.  Return real element.
622         (opbuild_elem_virtual): New.  Return virtual element.
623         (opbuild_elem_uid): New.  Return UID of virtual element.
624         (opbuild_clear): New.  Reset an operand list.
625         (opbuild_remove_elem): New.  Remove an element form a list.
626         (ssa_operands_active): New.  Return true if operand cache is active.
627         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
628         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
629         (correct_use_link): Use use_operand_p.
630         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
631         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation. 
632         (cleanup_v_may_defs): Use new implmentation.
633         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New 
634         implementation.
635         (append_def, append_use, append_v_may_def, append_vuse, 
636         append_v_must_def): Call opbuild_append routine instead of using varray.
637         (build_ssa_operands): Simplify to simply use stmt, don't maintain a 
638         global parse_old_ops variable.
639         (free_ssa_operands): New implementation.
640         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
641         (copy_virtual_operands): Move. New generic implementation.
642         (create_ssa_artficial_load_stmt): Move. New implementation.
643         (swap_tree_operands): Update for new implementation.
644         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
645         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
646         rather than a varray.
647         (verify_imm_links): Use use_operand_p.
648         (dump_immediate_uses_for): If the immediate use variable is a virtual 
649         variable, show the virtual ops in the stmt.
650         * tree-ssa-operands.h (def_operand_p): No longer a structure.
651         (NULL_DEF_OPERAND_P): Now a #define.
652         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
653         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
654         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
655         mustdef_optype_d): New.  Use Linked list representation.
656         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
657         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
658         (struct stmt_operands_d): Change to new pointers that are not GTY.
659         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
660         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
661         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
662         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT, 
663         SET_V_MUST_DEF_KILL): Delete.
664         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT, 
665         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
666         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT, 
667         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
668         (enum ssa_op_iter_type): Operand iterator typechecking values.
669         (struct ssa_operand_iterator_d): Use linked lists of operands.
670         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
671         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
672         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
673         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
674         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
675         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
676         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND, 
677         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
678         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
679         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
680         alloc_vuse, and alloc_mustdef.
681         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops, 
682         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
683         and finalize_ssa_v_must_def_ops.
684         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
685         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
686         stmt around.
687         (compute_avail): Use generic iterator interface.
688         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
689         (stmt_makes_single_load, stmt_makes_single_store): Use 
690         ZERO_SSA_OPERANDS.
691         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
692         (statement_sink_location): Use generic interface.
693         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
694         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
695         reset the immediate use link nodes.
696         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
697         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
698         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
699         (eliminate_tail_call): Use generic operand interface.
700         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
701         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic 
702         interface.
703         * tree-vect-transform.c (update_vuses_to_preheader): Use generic 
704         interface.
705         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
706         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
707         vuse_optype.
708         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add): 
709         Use statement pointer instead of vuse_optype.  Use generic interface.
710         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
711         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
712         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
713         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
714         * doc/tree-ssa.texi: Update documentation for operand interface.
715
716 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
717
718         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
719         gcc_unreachable as appropriate.
720         (machopic_function_base_name, machopic_indirect_data_reference,
721         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
722         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
723         * config/rs6000/altivec.md (*mov<mode>_internal,
724         build_vector_mask_for_load): Likewise.
725         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
726         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
727         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
728         * config/rs6000/predicates.md (easy_fp_constant,
729         logical_operand): Likewise.
730         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
731         compute_save_world_info, rs6000_emit_prologue,
732         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
733         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
734         directly.
735
736 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
737
738         PR middle-end/21282
739         * convert.c (convert_to_integer): Convert ceil and floor in
740         c99 mode only.
741
742 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
743
744         PR target/20813
745         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
746         define_insn_and_split.  Split only when memory operand is
747         offsettable.  Use adjust_address rather than plus_constant.
748         (floatunssidf2_internal): Likewise.
749         (fix_truncdfsi2_internal): Split only when memory operand is
750         offsettable.  Use adjust_address rather than plus_constant.
751         (fix_trunctfsi2_internal): Likewise.
752         (floatsidf2_internal): Likewise.
753
754 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
755
756         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
757         (set_value_range_to_null): Likewise.
758         (set_value_range_to_varying): New function.  Use it in all
759         call sites that used to call set_value_range (vr, VR_VARYING, ...).
760         (extract_range_from_assert): If the integral type has a
761         super-type, and LIMIT is not within MIN and MAX values of that
762         type, set the resulting range to VR_VARYING.
763
764 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
765
766         * config/mmix/mmix.opt: New file.
767         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
768         (mmix_cc1_ignored_option): Don't declare.
769         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
770         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
771         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
772         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
773         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
774         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
775         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
776         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
777         Don't define.
778         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
779         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
780         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
781
782 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
783
784         PR c/15698
785         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
786         * c-decl.c (current_function_prototype_built_in,
787         current_function_prototype_arg_types): New.
788         (merge_decls): Keep source location of prototype followed by
789         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
790         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
791         (start_function): Always set current_function_prototype_locus,
792         current_function_prototype_built_in and
793         current_function_prototype_arg_types.  Check for external
794         prototype whether or not visible for external function and set
795         current_function_prototype_arg_types accordingly.
796         (store_parm_decls_oldstyle): Use
797         current_function_prototype_arg_types for checking old-style
798         definition against prototype.  Give warnings only if
799         current_function_prototype_built_in).
800
801 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
802
803         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
804         (ggc_alloc_zone_stat): Don't define.
805         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
806         ggc_alloc_zone_pass_stat.
807         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
808         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
809         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
810
811 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
812
813         * calls.c (expand_call): Handle current_function_pretend_args_size
814         when checking for sibcalls.
815
816 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
817
818         PR tree-optimization/21294
819         * tree-vrp.c (vrp_expr_computes_nonzero): New.
820         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
821
822 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
823
824         PR 19985
825         * gcov-io.h: Declare gcov external functions hidden.
826
827 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
828
829         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
830         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
831         Use VEC instead of VARRAY.
832         (equiv_free): New.
833
834         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
835         out common code.
836
837 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
838
839         * c-common.c (resolve_overloaded_builtin): Forward to target
840         hook for BUILT_IN_MD built-ins.
841         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
842         for all types of built-in.
843         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
844         in the definition of the target hooks struct.
845         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
846         * config/rs6000/altivec.h: Rewritten.
847         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
848         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
849         rs6000_builtin_type, rs6000_builtin_type_compatible,
850         altivec_overloaded_builtins, rs6000_builtin_type,
851         rs6000_builtin_type_compatible): New.
852         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
853         New.
854         (def_builtin): Turn into a function.  Check for duplicates and store
855         the builtin into rs6000_builtin_decls.
856         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
857         bdesc_1arg): Add overloaded builtins.
858         (altivec_expand_builtin): Check for unresolved overloaded builtins,
859         do not support ALTIVEC_COMPILETIME_ERROR.
860         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
861         nodes to represent front-end types.
862         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
863         with opaque arguments and/or return values.
864         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
865         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
866         (rs6000_builtin_type_index): New.
867         (is_ev64_opaque_type): Rename to...
868         (rs6000_is_opaque_type): ... this.
869         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
870         target hook.
871
872 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
873
874         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
875         instead of VARRAY.
876
877 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
878             Bernd Schmidt  <bernd.schmidt@analog.com>
879
880         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
881         print_address_operand, print_operand, legitimize_pic_address,
882         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
883         output_pop_multiple): Use gcc_assert or gcc_unreachable as
884         appropriate.
885         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
886
887 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
888
889         * doc/passes.texi: Document vectorization pass.
890
891 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
892
893         * tree-scalar-evolution.c (get_exit_conditions_rec,
894         select_loops_exit_conditions,
895         number_of_iterations_for_all_loops,
896         analyze_scalar_evolution_for_all_loop_phi_nodes,
897         scev_analysis): Use VEC instead of VARRAY.
898
899 2005-05-02  Michael Matz  <matz@suse.de>
900
901         PR c++/19542
902         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
903         (warn_strict_null_sentinel): Define.
904         (check_function_sentinel): Check for null_node as valid sentinel too.
905         * c-common.h (c_tree_index): Added CTI_NULL.
906         (null_node) Define global_tree[CTI_NULL].
907         (warn_strict_null_sentinel): Declare.
908         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
909         * c.opt: (Wstrict-null-sentinel): New C++ option.
910         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
911
912 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
913
914         * gimplify.c (gimplify_compound_lval): Use VEC instead of
915         VARRAY.
916
917         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
918
919         * dwarf2out.c (decl_scope_table, push_decl_scope,
920         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
921         instead of VARRAY.
922
923 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
924
925         PR C++/14391
926         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
927         if !flag_weak.
928         * doc/cpp.texi (__DEPRECATED): Document.
929         (__EXCEPTIONS): Likewise.
930         (__GXX_WEAK__): Likewise.
931
932         * function.c (INVOKE__main): Do not define.
933         (expand_main_function): Check HAS_INIT_SECTION when determining
934         whether or not to call __main.
935
936 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
937
938         * tree-ssa-loop-ivopts.c: Fix a comment typo.
939
940 2005-01-05  Paul Brook  <paul@codesourcery.com>
941
942         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
943         (INITIALIZE_TRAMPOLINE): Use it.
944         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
945         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
946         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
947
948 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
949
950         * doc/install.texi (Specific): Omit dots in the @anchors names
951         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
952         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
953
954 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
955
956         PR tree-optimization/18316
957         PR tree-optimization/19126
958         * tree.c (build_int_cst_type): Avoid shift by size of type.
959         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
960         argument.
961         * tree-scalar-evolution.h (simple_iv): Declaration changed.
962         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
963         field.
964         (dump_cand): Dump depends_on information.
965         (determine_biv_step): Add argument to simple_iv call.
966         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
967         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
968         constant.
969         (add_candidate_1): Record depends_on for candidates.
970         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
971         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
972         Handle ivs with nonconstant step.
973         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
974         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
975         (create_new_iv): Unshare the step before passing it to create_iv.
976         (free_loop_data): Free cand->depends_on.
977         (build_addr_strip_iref): New function.
978         (find_interesting_uses_address): Use build_addr_strip_iref.
979         (strip_offset_1): Split the recursive part from strip_offset.
980         Strip constant offset component_refs and array_refs.
981         (strip_offset): Split the recursive part to strip_offset_1.
982         (add_address_candidates): Removed.
983         (add_derived_ivs_candidates): Do not use add_address_candidates.
984         (add_iv_value_candidates): Add candidates with stripped constant
985         offset.  Consider all candidates with initial value 0 important.
986         (struct affine_tree_combination): New.
987         (aff_combination_const, aff_combination_elt, aff_combination_scale,
988         aff_combination_add_elt, aff_combination_add,
989         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
990         fold_affine_sum): New functions.
991         (get_computation_at): Use fold_affine_sum.
992         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
993         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
994         to simple_iv call.
995
996 2005-04-30  Michael Matz  <matz@suse.de>
997
998         * config/i386/i386.md (movmemsi): Also active when
999         TARGET_INLINE_ALL_STRINGOPS.
1000
1001 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
1002
1003         PR bootstrap/20633
1004         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
1005
1006 2005-04-30  Paul Brook  <paul@codesourcery.com>
1007
1008         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
1009         thumb mode.
1010         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
1011         * config/arm/ieee754-sf.S: Ditto.
1012         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
1013         (FUNC_ALIAS): Use .thumb_set for thumb routines.
1014
1015 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
1016
1017         * tree-ssanames.c: Fix a comment typo.
1018         * doc/options.texi: Fix a typo.
1019
1020 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
1021
1022         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
1023         gcc_unreachable as appropriate.
1024         (split_adds_subs, cond_string, print_operand,
1025         h8300_initial_elimination_offset, h8300_classify_operand,
1026         h8300_unary_length, h8300_short_immediate_length,
1027         h8300_bitfield_length, h8300_binary_length,
1028         h8300_insn_length_from_table, compute_mov_length, output_plussi,
1029         compute_plussi_length, compute_plussi_cc, output_logical_op,
1030         compute_logical_op_length, compute_logical_op_cc,
1031         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
1032         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
1033         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
1034         h8300_regs_ok_for_stm): Likewise.
1035         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
1036         monitor_prologue): Likewise.
1037
1038 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
1039
1040         * loop-invariant.c (invariants, create_new_invariant,
1041         get_inv_cost, best_gain_for_invariant,
1042         find_invariants_to_move, move_invariants,
1043         init_inv_motion_data, free_inv_motion_data): Use VEC instead
1044         of VARRAY.
1045
1046 2005-04-29  Richard Henderson  <rth@redhat.com>
1047
1048         * function.c (instantiate_decls): Remove valid_only argument.
1049         (instantiate_decls_1, instantiate_decl): Likewise.
1050         (instantiate_virtual_regs_1): Delete.
1051         (instantiate_virtual_regs_lossage): Delete.
1052         (instantiate_virtual_regs_in_rtx): New.
1053         (safe_insn_predicate): New.
1054         (instantiate_virtual_regs_in_insn): New.
1055         (instantiate_virtual_regs): Update to match all that.  Only run
1056         instantiate_decls once.
1057
1058 2005-04-29  Richard Henderson  <rth@redhat.com>
1059             Daniel Jacobowitz  <dan@codesourcery.com>
1060
1061         * gengtype.c (write_func_for_structure): Split out ...
1062         (output_type_enum): ... new function.  Fix thinko accessing
1063         TYPE_PARAM_STRUCT data.
1064
1065 2005-04-29  Tom Tromey  <tromey@redhat.com>
1066
1067         * tree.c (build_block): Removed unused 'tags' argument.
1068         * tree.h (build_block): Removed argument.
1069
1070 2005-04-29  Michael Matz  <matz@suse.de>
1071
1072         PR rtl-optimization/21144
1073         * postreload.c (reload_cse_move2add): Check for VOIDmode.
1074
1075 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
1076
1077         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
1078         flag_reorder_blocks.
1079
1080 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
1081
1082         PR tree-optimization/21030
1083         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
1084         ranges where VR->MAX is smaller than VR->MIN.
1085
1086 2005-04-29  Devang Patel  <dpatel@apple.com>
1087
1088         PR tree-optimization/21272
1089         PR tree-optimization/21266
1090         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
1091         
1092 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
1093
1094         * tree-flow-inline.h: Fix a comment typo.
1095         * doc/tree-ssa.texi: Fix a typo.
1096
1097         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
1098
1099 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
1100
1101         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
1102         gcc_unreachable as appropriate.
1103         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
1104         fr30_print_operand, fr30_move_double): Likewise.
1105         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
1106
1107 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
1108
1109         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
1110         definition has already been provided.
1111         (ARM_EABI_DTORS_SECTION_OP): Likewise.
1112         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
1113         (ARM_EABI_DTORS_SECTION_OP): Likewise.
1114
1115 2005-04-29  Jim Tison  <jtison@us.ibm.com>
1116
1117         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
1118         trace hooks calls to improve performance.
1119
1120 2005-04-29  Julian Brown  <julian@codesourcery.com>
1121             Mark Mitchell  <mark@codesourcery.com>
1122             Paul Brook  <paul@codesourcery.com>
1123
1124         * crtstuff.c: Handle targets that use .init_array.
1125         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
1126         that INVOKE__main is set correctly.
1127         (expand_main_function): Test INVOKE__main.
1128         * libgcc2.c: Do not define __main when using .init_array.
1129         * config/arm/arm.c (arm_elf_asm_constructor): New function.
1130         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
1131         libgcc version.
1132         (DTORS_SECTION_ASM_OP): Likewise.
1133         (CTOR_LIST_BEGIN): Define specially when in libgcc.
1134         (CTOR_LIST_END): Likewise.
1135         (DTOR_LIST_BEGIN): Likewise.
1136         (DTOR_LIST_END): Likewise.
1137         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
1138         (FINI_SECTION_ASM_OP): Likewise.
1139         (INIT_ARRAY_SECTION_ASM_OP): Define.
1140         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
1141         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
1142         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
1143         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
1144         (FINI_ARRAY_SECTION_ASM_OP): Likewise.  
1145
1146 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
1147
1148         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
1149         gcc_assert and gcc_unreachable as appropriate.
1150         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
1151         const_int_cost, output_move_const_into_data_reg,
1152         output_move_qimode, output_move_double, find_addr_reg,
1153         print_operand, print_operand_address): Likewise.
1154         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
1155         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
1156         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
1157         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
1158         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
1159         conditional_trap): Likewise.
1160         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
1161
1162 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
1163
1164         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
1165         gcc_unreachable as appropriate.
1166         (gen_conditional_move, xtensa_split_operand_pair,
1167         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
1168         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
1169         xtensa_copy_incoming_a7, xtensa_output_literal,
1170         xtensa_output_literal, xtensa_output_literal): Likewise.
1171         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
1172         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
1173         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
1174         movsicc_internal1, movsfcc_internal0,
1175         movsfcc_internal1): Likewise.
1176
1177 2005-04-28  James E Wilson  <wilson@specifixinc.com>
1178
1179         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
1180         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
1181
1182 2005-04-28  DJ Delorie  <dj@redhat.com>
1183
1184         * opt-functions.awk (var_set): Emit proper initializer for
1185         non-target bitfields.
1186
1187 2005-04-28  Devang Patel  <dpatel@apple.com>
1188
1189         * dbxout.c (have_used_extensions): Remove.
1190         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
1191         have_used_extensions.
1192         
1193 2005-04-28  James E Wilson  <wilson@specifixinc.com>
1194
1195         * doc/install.texi: Update -enable-languages info.  Correct path to
1196         html docs.
1197
1198 2005-04-28  DJ Delorie  <dj@redhat.com>
1199
1200         * optc-gen.awk (END): Make sure no variable is defined more
1201         than once.
1202         * opth-gen.awk (END): Allocate bits on a per-variable basis.
1203         Allow for bitfield variables other than target_flags.
1204         * doc/options.text (Mask): Document that you may specify a
1205         variable other than target_flags.
1206
1207 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
1208
1209         PR rtl-optimization/18877
1210         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
1211         number in val.start.
1212
1213 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
1214
1215         PR target/20813
1216         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
1217         MASK_PPC_GFXOPT.
1218         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
1219         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
1220         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
1221
1222 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
1223
1224         * arm.c (legitimize_pic_address): Fix sense of assertion test for
1225         creating pseudos when the base offset is too large.
1226
1227 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
1228
1229         * global.c (earlyclobber_regclass): Change the type to
1230         VEC(int,heap).
1231         (check_earlyclobber): Update uses of earlyclobber_regclass.
1232         (mark_reg_use_for_earlyclobber): Likewise.
1233         (calculate_local_reg_bb_info): Allocate and free
1234         earlyclobber_regclass using the VEC API.
1235
1236 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
1237
1238         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
1239         assert.
1240
1241 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
1242
1243         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
1244         (*targetm.foo).
1245
1246         * config.gcc: Obsolete c4x-* and tic4x-*.
1247
1248         * tree.h (edge_def): Remove.
1249
1250         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
1251         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
1252         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
1253         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
1254         where appropriate.
1255
1256         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
1257         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
1258         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
1259         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
1260         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
1261         machmode.def, mips-tfile.c, params.c, pretty-print.c,
1262         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
1263         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
1264         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
1265         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
1266         config/i386/cygming.h, config/i386/djgpp.h,
1267         config/i386/lynx.h, config/i386/netware.c,
1268         config/i386/winnt.c, config/ia64/ia64-c.c,
1269         config/iq2000/iq2000.c, config/m32r/little.h,
1270         config/m68k/m68k-protos.h, config/m68k/m68k.h,
1271         config/m68k/m68k.md, config/mcore/mcore.c,
1272         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
1273         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
1274         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
1275         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
1276         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
1277         config/pdp11/pdp11.h, config/rs6000/darwin.h,
1278         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
1279         config/s390/2064.md, config/s390/2084.md,
1280         config/s390/s390-modes.def, config/s390/s390-protos.h,
1281         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
1282         config/stormy16/stormy16.c, config/vax/vax-protos.h,
1283         config/vax/vax.c, config/vax/vax.h,
1284         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
1285         copyright.
1286
1287 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
1288
1289         * c-typeck.c (build_compound_expr): Correct logic in last change.
1290
1291 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
1292
1293         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
1294         parameters.  Replace conditional move code with assert checking for
1295         ar.lc.  Delete obsolete comments.
1296         (set_src_needs_barrier): Delete cond parameter, and code using it.
1297         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
1298         assert checking for PR_REGS.  Fix calls to update_set_flags and
1299         set_src_needs_barrier.
1300         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
1301         callers.  Rewrite explanatory comment before the function.
1302         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
1303         Fix all callers.
1304
1305 2005-04-27  Mike Stump  <mrs@apple.com>
1306
1307         * doc/cpp.texi: gcc now implements universal character names.
1308
1309 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
1310
1311         PR c/21159
1312         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
1313         being a compound expression whose right-hand side is cast to void.
1314
1315 2005-04-27  Caroline Tice  <ctice@apple.com>
1316
1317         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
1318         Remove targetm.have_named_sections test.
1319         (fix_edges_for_rarely_executed_code): Likewise.
1320         (insert_section_boundary_note): Likewise.
1321         (reorder_basic_blocks): Check partitioning flag before calling
1322         verify_hot_cold_block_grouping.
1323         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
1324         the function struct rather than global variables.
1325         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
1326         (COLD_END_LABEL): Likewise
1327         (cold_text_section_label): New static global variable.
1328         (cold_end_label): Likewise.
1329         (dwarf2out_switch_text_section): Get hot/cold section labels from
1330         the function struct rather than global variables; test to make sure
1331         cfun is defined.
1332         (output_aranges): Use cold_text_section_label and cold_end_label;
1333         check partitioning flag before putting out delta.
1334         (output_ranges): Remove incorrect code attempting to use
1335         hot/cold labels.
1336         (output_line_info): Get cold section label from function struct; test
1337         to make sure cfun is defined.
1338         (add_location_or_const_value_attribute): Likewise.
1339         (dwarf2out_var_location): Likewise.
1340         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
1341         write out cold_text_section_label if partition flag is set.
1342         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
1343         * function.h (struct function): Add new fields to point to hot/cold
1344         section labels: hot_section_label, cold_section_label,
1345         hot_section_end_label and cold_section_end_label; also add new field
1346         for cold text section name, unlikely_text_section_name.
1347         * opts.c (decode_options): Turn off partitioning flag if
1348         !targetm.have_named_sections.
1349         * output.h (hot_section_label): Remove.
1350         (hot_section_end_label): Remove.
1351         (cold_section_end_label): Remove.
1352         (unlikely_section_label): Remove.
1353         (unlikely_text_section_name): Remove.
1354         * passes.c (rest_of_handle_final):  Remove extra blank line.
1355         * varasm.c (unlikely_section_label): Remove.
1356         (hot_section_label): Remove.
1357         (hot_section_end_label): Remove.
1358         (cold_section_end_label): Remove.
1359         (unlikely_text_section_name):  Remove.
1360         (initialize_cold_section_name): Modify to call
1361         targetm.strip_name_encoding; to store cold section name in current
1362         function struct, if it exists; and to only use the decl_section_name
1363         if flag_named_sections is true.
1364         (unlikely_text_section): Modify to get section name out of current
1365         function struct, if there is one; otherwise build it from
1366         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
1367         (in_unlikely_text_section): Likewise.
1368         (named_section): Modify to get/put cold section name in current function
1369         struct, if there is one.
1370         (function_section):  Change 'bool unlikely' to 'int reloc'; check
1371         targetm.have_named_sections before calling named_section.
1372         (current_function_section): Likewise.
1373         (assemble_start_function): Modify to get/put unlikely_text_section_name
1374         in current function struct; modify to get hot/cold section labels
1375         from function struct; initialize labels using
1376         ASM_GENERATE_INTERNAL_LABEL;
1377         test partitioning flag before writing out hot section label.
1378         (assemble_end_function): Test partitioning flag before writing out
1379         hot/cold section labels.
1380         (default_section_type_flags_1):  Get cold text section name from
1381         function struct if there is one; Set flags correctly for
1382         cold text section if there is not a current function struct.
1383         
1384 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1385
1386         * tree-ssa-propagate.c (set_rhs): Revert last change.
1387
1388 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
1389
1390         * explow.c (convert_memory_address): Add gcc_assert.
1391
1392 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
1393
1394         * configure.ac: Check for ld --sysroot support.
1395         * gcc.c: Document %R specifier for specs.
1396         (SYSROOT_SPEC): New macro.
1397         (sysroot_spec): New variable.
1398         (static_specs): Add sysroot_spec.
1399         (main): Pass the sysroot spec to the linker if appropriate.
1400         * configure: Regenerated.
1401         * config.in: Likewise.
1402
1403 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1404
1405         * fold-const.c (fold_binary): Use build_fold_addr_expr
1406         for address calculation and INDIRECT_REF handling.
1407
1408 2005-04-27  Andrew Haley  <aph@redhat.com>
1409
1410         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
1411
1412 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1413
1414         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
1415         pointer when thumb backtracing is on.
1416
1417         * config/fp-bit.c (abort): Revert change.
1418
1419 2005-04-27  Ian Lance Taylor  <ian@airs.com>
1420
1421         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
1422
1423 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1424
1425         * tree-ssa-dce.c: Fix a comment typo.
1426
1427 2005-04-27  David S. Miller  <davem@davemloft.net>
1428
1429         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
1430         Kill setjmpless_size.  current_function_calls_setjmp is completely
1431         computed when we are called, so just use the optimized size value
1432         instead of using REG_SAVE_AREA notes.
1433         (optimize_save_area_alloca): Delete....
1434         * rtl.h (optimize_save_area_alloca): Likewise...
1435         * passes.c (rest_of_compilation): and don't call it any more.
1436         * reg-notes.def (SAVE_AREA): Delete.
1437         
1438 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1439
1440         * config/fp-bit.c (abort): Add noreturn attribute.
1441
1442         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
1443         gcc_unreachable as appropriate.
1444         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
1445         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
1446         ASM_OUTPUT_REG_POP): Likewise.
1447
1448 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
1449
1450         * tree-complex.c (expand_vector_operations_1): Do not build
1451         VIEW_CONVERT_EXPR's for the lhs.
1452
1453 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1454
1455         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
1456         unnecessary noncanonical RTL handling.
1457         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
1458         gcc_assert and gcc_unreachable.
1459
1460         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
1461         gcc_unreachable as appropriate.
1462         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
1463         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
1464         use_return_insn, const_ok_for_op, arm_gen_constant,
1465         arm_canonicalize_comparison, legitimize_pic_address,
1466         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
1467         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
1468         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
1469         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
1470         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
1471         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
1472         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
1473         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
1474         output_call, output_mov_long_double_fpa_from_arm,
1475         output_mov_long_double_arm_from_fpa,
1476         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
1477         output_move_double, arithmetic_instr, shift_op, int_log2,
1478         output_return_instruction, arm_output_function_prologue,
1479         arm_output_epilogue, arm_output_function_epilogue,
1480         emit_multi_reg_push, arm_get_frame_offsets,
1481         arm_compute_initial_elimination_offset, arm_expand_prologue,
1482         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
1483         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
1484         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
1485         thumb_compute_initial_elimination_offset,
1486         thumb_output_function_prologue, thumb_load_double_from_address,
1487         thumb_output_move_mem_multiple, thumb_reload_out_hi,
1488         arm_emit_vector_const, arm_dbx_register_number): Likewise.
1489         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
1490         * config/arm/arm.md (thumb_extendhisi2,
1491         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
1492         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
1493         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
1494         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
1495         * config/arm/cirrus.md (*cirrus_arm_movdi,
1496         *cirrus_movdf_hard_insn): Likewise.
1497         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1498
1499 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1500
1501         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
1502         (num_ssa_names): Use VEC_length.
1503         (ssa_names): Use VEC_index.
1504         * tree-ssanames.c (ssa_names): Change the type to
1505         VEC(tree,gc).
1506         (init_ssanames, fini_ssa_names, make_ssanames,
1507         release_ssa_name): Update uses of ssa_names.
1508
1509         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
1510         Use fold_buildN instead of fold (buildN (...)).
1511
1512 2005-04-27  Devang Patel <dpatel@apple.com>
1513
1514         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
1515
1516 2005-04-27  Matt Thomas <matt@3am-software.com>
1517             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
1518
1519         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
1520         (vax_output_mi_thunk): Ditto.
1521         (vax_notice_cc_update): Ditto.
1522         (INDEX_REGISTER_P): Add trailing \.
1523         (BASE_REGISTER_P): Add trailing \.
1524         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
1525
1526 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1527
1528         * tree-ssa-propagate.c (set_rhs): Check operand of
1529         ADDR_EXPR for gimpliness, too.
1530
1531 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1532
1533         * tree-ssa-pre.c: Fix a comment typo.
1534
1535 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1536
1537         PR tree-optimization/21171
1538         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
1539         record address uses if the reference is volatile.
1540
1541 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
1542
1543         * tree-complex.c (expand_vector_operation): New, extracted from
1544         expand_vector_operations_1.
1545         (tree_vec_extract): Build a NOP_EXPR.
1546         (expand_vec_parallel): Do not care about returning the correct type.
1547         (expand_vector_operations_1): Call expand_vector_operation.
1548         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
1549
1550         * tree-complex.c (gate_expand_vector_operations): New.
1551         (pass_lower_vector_ssa): Use it.
1552         * tree-optimize.c (init_tree_optimization_passes): Include
1553         pass_lower_vector_ssa.
1554         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
1555         (vectorizable_operation): Use it.
1556         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
1557         integer modes for the vector type.
1558
1559         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
1560         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
1561         Do not cope with UNITS_PER_SIMD_WORD == 0.
1562         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
1563         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
1564         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
1565         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
1566         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
1567         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
1568         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
1569
1570         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
1571         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
1572         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
1573
1574         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
1575         (UNITS_PER_SIMD_WORD): New.
1576
1577 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1578
1579         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
1580         gcc_unreachable as appropriate.
1581         (ia64_expand_load_address, ia64_expand_tls_address,
1582         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
1583         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
1584         next_scratch_gr_reg, ia64_initial_elimination_offset,
1585         ia64_expand_prologue, ia64_expand_epilogue,
1586         ia64_output_dwarf_dtprel, ia64_print_operand,
1587         ia64_register_move_cost, first_instruction, rws_access_regno,
1588         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
1589         ia64_sched_init, ia64_variable_issue,
1590         ia64_first_cycle_multipass_dfs_lookahead_guard,
1591         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
1592         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
1593         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
1594         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
1595         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1596         * config/ia64/predicates.md (got_symbolic_operand,
1597         sdata_symbolic_operand): Likewise.
1598         * config/ia64/vect.md (vcondv2sf): Likewise.
1599
1600 2005-04-27  Matt Thomas <matt@3am-software.com>
1601
1602         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
1603         CONSTANT_ADDRESS_P in config/vax/vax.h
1604         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h. 
1605         (INDEX_REGISTER_P): New.
1606         (BASE_REGISTER_P): New.
1607         (indirectable_constant_address_p): New.  Adapted from
1608         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
1609         (indirectable_address_p): New.  Adapted from
1610         INDIRECTABLE_ADDRESS_P in vax.h.
1611         (nonindexed_address_p): New.  Adapted from
1612         GO_IF_NONINDEXED_ADDRESS in vax.h.
1613         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
1614         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
1615         (legitimate_address_p): New.  Adapted from
1616         GO_IF_LEGITIMATE_ADDRESS in vax.h.
1617         (vax_mode_dependent_address_p): New.  Adapted from
1618         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
1619         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
1620         legitimate_constant_address_p.
1621         (CONSTANT_P): Use legitimate_constant_p.
1622         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
1623         (INDIRECTABLE_ADDRESS_P): Removed.
1624         (GO_IF_NONINDEXED_ADDRESS): Removed.
1625         (INDEX_TEMP_P): Removed.
1626         (GO_IF_REG_PLUS_INDEX): Removed.
1627         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
1628         definitions, depending on whether REG_OK_STRICT is defined.
1629         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
1630         Two definitions, depending on whether REG_OK_STRICT is defined.
1631         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
1632         added.
1633         (legitimate_constant_p): Prototype added.
1634         (legitimate_address_p): Prototype added.
1635         (vax_mode_dependent_address_p): Prototype added.
1636
1637 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1638
1639         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
1640
1641 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
1642
1643         PR c/21213
1644         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
1645         transparent union.
1646
1647 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
1648
1649         PR c/20740
1650         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
1651         assertion failures, if __gcc_host_wide_int__ is not properly
1652         defined.
1653         (init_dynamic_diag_info): Give errors, not assertion failures, if
1654         location_t, tree or __gcc_host_wide_int__ are not properly
1655         defined.
1656
1657 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
1658
1659         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
1660         n_iv_uses, iv_use, n_iv_cands, iv_cand,
1661         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
1662         prepare_decl_rtl, free_loop_data,
1663         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
1664         VARRAY.
1665
1666         * tree.h (tree_phi_node): Add a comment about the order of PHI
1667         arguments.
1668
1669 2005-04-26  Paul Brook  <paul@codesourcery.com>
1670
1671         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
1672
1673 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
1674
1675         * config/mips.mips.c (mips_legitimize_tls_address): Use
1676         gcc_unreachable.
1677
1678         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
1679         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
1680         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
1681
1682         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
1683         'abort'.
1684
1685 2005-04-26  Jeff Law  <law@redhat.com>
1686
1687         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
1688         (op_iter_init_must_and_may_def): Likewise.
1689         (unmodifiable_var_p): Move to a later point in the file.
1690         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
1691         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
1692         (dse_record_phis): Directly check for virtual operands rather than
1693         using need_imm_uses_for.
1694         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
1695         store has multiple V_{MAY,MUST}_DEF operands.
1696
1697 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
1698
1699         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
1700         stmt.
1701
1702 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
1703
1704         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
1705         call to find_edge outside a loop to go through a PHI chain.
1706
1707 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
1708
1709         PR tree-optimization/17598
1710         * fold-const.c (fold_binary): Fold comparisons of addresses
1711         of COMPONENT_REFs which reference the same field to
1712         comparisons of the addresses of the base objects.
1713
1714 2005-04-26  Julian Brown  <julian@codesourcery.com>
1715
1716         * config/arm/arm.c (arm_return_in_msb): New function.
1717         (arm_must_pass_in_stack): New function.
1718         (TARGET_RETURN_IN_MSB): Define target hook.
1719         (TARGET_MUST_PASS_IN_STACK): Define target hook.
1720         (arm_function_value): Pad small aggregate return.
1721         (arm_pad_arg_upward): New function.
1722         (arm_pad_reg_upward): New function.
1723         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
1724         (FUNCTION_ARG_PADDING): Define macro.
1725         (BLOCK_REG_PADDING): Define macro.
1726         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
1727         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
1728         (arm_pad_reg_upward): Declare function.
1729
1730 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
1731
1732         * basic-block.h (ei_cond): New.
1733         (FOR_EACH_EDGE): Call ei_cond.
1734
1735         PR tree-optimization/21047
1736         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
1737         (fold): Don't handle ASSERT_EXPR.
1738
1739 2005-04-25  Roger Sayle  <roger@eyesopen.com>
1740
1741         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
1742         all writes to any stack register as a read/write dependency on
1743         FIRST_STACK_REG.
1744         (sched_analyze_2): Likewise, for reads from any stack register.
1745
1746 2005-04-25  Richard Henderson  <rth@redhat.com>
1747
1748         * final.c (output_addr_const): Revert 2005-04-09 change.
1749
1750 2005-04-25  Mike Stump  <mrs@apple.com>
1751
1752         * config/darwin.c (darwin_encode_section_info): Always set
1753         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
1754
1755 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1756
1757         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
1758         gensupport.c, protoize.c, toplev.c: Replace calls to
1759         `unlock_stream' with `unlock_std_streams'.
1760
1761 2005-04-25  Devang Patel <dpatel@apple.com>
1762
1763         * dbxout.c (dbxout_type): Emit attribute vector.
1764         
1765 2005-04-05  Paul Brook  <paul@codesourcery.com>
1766
1767         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
1768         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
1769         * config/arm/arm.c (arm_cxx_atexit_name): New function.
1770         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
1771         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
1772         (register_dtor_fn): Likewise.
1773         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
1774
1775 2005-04-25  Ian Lance Taylor  <ian@airs.com>
1776
1777         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
1778         * c-common.h (EXPR_STMT_EXPR): Don't define.
1779         (c_common_stmt_codes): Don't define.
1780         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
1781         * c-gimplify.c (gimplify_expr_stmt): Remove.
1782         (c_gimplify_expr): Remove EXPR_STMT case.
1783         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
1784         to INIT_STATEMENT_CODES.
1785         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
1786
1787 2005-04-25  Jan Hubicka  <jh@suse.cz>
1788
1789         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
1790
1791         * except.c: Include diagnostic.h
1792         (dump_eh_tree, verify_eh_tree): New functions.
1793         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
1794         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
1795         (dump_function_to_file): dump eh tree.
1796         * tree-eh.c (mark_eh_edge): New function.
1797         (mark_eh_edge_found_error): New static variable.
1798         (verify_eh_edges): New function.
1799
1800 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
1801
1802         * tree-ssa-alias.c (fieldoff_t): Remove.
1803         (fieldoff_s): typedef the structure itself.  Create a vector of
1804         objects.
1805         (push_fields_onto_fieldstack): Return count of fields pushed.
1806         Remove peeling of first field.  Adjust.
1807         (fieldoff_compare): Adjust.
1808         (create_overlap_variables_for): Adjust.
1809
1810 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
1811
1812         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
1813
1814 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
1815
1816         PR bootstrap/21215
1817         * doc/install.texi: Document correct assembler and linker to use
1818         on i?86-*-solaris2.10.
1819
1820 2005-04-25  Steven Bosscher  <stevenb@suse.de>
1821
1822         Fix PR tree-optimization/21173
1823
1824         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
1825         Unshare expression we pass to force_gimple_operand.
1826
1827 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
1828             Stephen Clarke <stevec@superh.com>
1829             Roger Sayle <roger@eyesopen.com>
1830
1831         PR rtl-optimization/20413
1832         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
1833         VOIDmode for LABEL_REF.
1834         * final.c (shorten_branches): Likewise.
1835         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
1836         * loop.c (reg_dead_after_loop): Likewise.
1837         * varasm.c (decode_addr_const): Likewise.
1838         * doc/rtl.texi: Document mode requirement for LABEL_REF.
1839
1840 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
1841
1842         * config.gcc (avr-*-*): Remove redundant "case".
1843
1844 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
1845
1846         * tree-vect-analyze.c (vect_mark_relevant): Take
1847         VEC(tree,heap) instead of varray_type as an argument.
1848         (vect_mark_stmts_to_be_vectorized): Change the type of
1849         worklist to VEC(tree,heap).  Adjust uses of worklist.
1850
1851 2005-04-24  Devang Patel  <dpatel@apple.com>
1852
1853         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1854         
1855 2005-04-24  Ian Lance Taylor  <ian@airs.com>
1856
1857         * c-semantics.c (build_stmt): Remove test of specific tree codes
1858         for TREE_SIDE_EFFECTS handling.
1859
1860 2005-04-24  Per Bothner  <per@bothner.com>
1861
1862         * c-opts.c (finish_options):  Make the line-number of the <built-in>
1863         location 0, as assumed elsewhere, rather than 1.
1864
1865 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1866
1867         * tree-ssa-uncprop.c (equiv_stack): Change the type o
1868         VEC(tree,heap).
1869         (tree_ssa_uncprop, uncprop_finalize_block,
1870         uncprop_initialize_block): Update uses of equiv_stack.
1871
1872 2005-04-24  Richard Henderson  <rth@redhat.com>
1873
1874         PR rtl-opt/21163
1875         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
1876         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
1877         constm1_rtx.
1878         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
1879         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
1880         <DIV, MOD>: Likewise.
1881
1882 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1883
1884         * collect2.c (main): Unlock the stdio streams.
1885         * gcc.c (main): Likewise.
1886         * gcov-dump.c (main): Likewise.
1887         * gcov.c (main): Likewise.
1888         * gen-protos.c (main): Likewise.
1889         * gensupport.c (init_md_reader_args_cb): Likewise.
1890         * protoize.c (main): Likewise.
1891         * toplev.c (general_init): Likewise.
1892
1893 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
1894
1895         PR middle-end/20991
1896         * cgraph.h (cgraph_local_info): Add vtable_method field.
1897         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
1898         and node is vtable_method, finalized and not reachable, don't do
1899         anything.
1900
1901 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1902
1903         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
1904         COMPARISON_CLASS_P.
1905         * tree-ssa-pre.c (create_value_expr_from): Use
1906         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
1907         * tree-ssa-propagate.c (stmt_makes_single_load,
1908         stmt_makes_single_store): Use REFERENCE_CLASS_P.
1909         * tree-vect-transform.c (vect_is_simple_cond): Use
1910         COMPARISON_CLASS_P.
1911         * tree-vrp.c (extract_range_from_assert,
1912         build_assert_expr_for, fp_predicate, has_assert_expr): Use
1913         COMPARISON_CLASS_P.
1914
1915         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
1916         of tpa_to_clear to VEC(int,heap).  Update uses of
1917         tpa_to_clear.  Free tpa_to_clear at the end.
1918
1919 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
1920
1921         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
1922         function decl.
1923
1924 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
1925
1926         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
1927         and gcc_unreachable as appropriate.
1928         (num_insns_constant, output_vec_const_move,
1929         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
1930         rs6000_emit_set_const, rs6000_emit_move,
1931         spe_build_register_parallel, function_arg,
1932         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
1933         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
1934         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
1935         rs6000_common_init_builtins, expand_block_clear,
1936         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
1937         extract_ME, rs6000_get_some_local_dynamic_name,
1938         rs6000_output_function_entry, print_operand,
1939         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
1940         output_cbranch, output_e500_flip_gt_bit,
1941         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
1942         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
1943         compute_save_world_info, rs6000_stack_info,
1944         rs6000_emit_load_toc_table, rs6000_frame_related,
1945         spe_synthesize_frame_save, rs6000_emit_epilogue,
1946         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
1947         output_function_profiler, rs6000_trampoline_size,
1948         rs6000_initialize_trampoline, find_addr_reg,
1949         rs6000_machopic_legitimize_pic_address,
1950         rs6000_initial_elimination_offset,
1951         rs6000_dbx_register_number): Likewise.
1952         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
1953         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
1954         *movti_power, *movti_string, call, call_value, sibcall,
1955         sibcall_value): Likewise.
1956         * config/rs6000/spe.md (*movdf_e500_double,
1957         *movv2si_internal): Likewise.
1958         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
1959         from comment.
1960
1961 2005-04-24  Richard Henderson  <rth@redhat.com>
1962
1963         PR target/21101
1964         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
1965         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
1966         Deny modes smaller than 4 bytes.
1967         * config/i386/i386-protos.h: Update.
1968
1969 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
1970
1971         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
1972         Switch h8300-*-rtems* to ELF.
1973
1974 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1975
1976         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
1977
1978 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1979
1980         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
1981
1982 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
1983
1984         PR middle-end/21082
1985         * fold-const.c: Fold &a[i]-&a[j] to i-j.
1986
1987 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1988
1989         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
1990         definitions of ssa names in condition.  Split recusive part to ...
1991         (tree_simplify_using_condition_1): New function.
1992         (expand_simple_operations): New function.
1993
1994 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1995
1996         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
1997         (find_interesting_uses_cond): Do not use integer_zerop and
1998         integer_nonzerop to check for integer constants.
1999         (set_use_iv_cost): Record the value field.
2000         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
2001         determine_use_iv_cost_outer): Set the value field of the cost pair.
2002         (may_eliminate_iv): Do not return the comparison code.
2003         (iv_elimination_compare): New function.
2004         (determine_use_iv_cost_condition): Set the value field.  Record
2005         noneliminable invariants correctly.
2006         (rewrite_use_compare, rewrite_use_outer): Use the value field.
2007
2008 2005-04-23  DJ Delorie  <dj@redhat.com>
2009
2010         * diagnostic.c (warning): Accept parameter to classify warning option.
2011         (warning0): New, for when a pointer to an error() like function is needed.
2012         * errors.c (warning): Likewise.
2013         * errors.h (warning, warning0): Adjust prototypes.
2014         * toplev.h (warning, warning0): Likewise.
2015
2016         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
2017         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
2018         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
2019         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
2020         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
2021         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
2022         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
2023         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
2024
2025         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
2026         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
2027         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
2028         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
2029         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
2030         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
2031         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
2032         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
2033         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
2034         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
2035         config/rs6000/aix52.h, config/rs6000/darwin.h,
2036         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
2037         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2038         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
2039         config/stormy16/stormy16.c, config/v850/v850-c.c,
2040         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
2041         callers.
2042         
2043 2005-04-23  Richard Henderson  <rth@redhat.com>
2044
2045         PR rtl-opt/21102
2046         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
2047         performing some integral scalar simplifications.
2048
2049 2005-04-23  Richard Henderson  <rth@redhat.com>
2050
2051         PR target/21099
2052         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
2053         simplifying CONST_VECTOR.
2054
2055 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2056
2057         * tree-ssa-live.c (live_worklist): Take a stack allocated on
2058         heap as an argument.  Update uses of stack.
2059         (calculate_live_on_entry): Allocate stack on heap.
2060
2061         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
2062         partition_link and tpa_nodes on heap.
2063
2064         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
2065         (mark_stmt_necessary, propagate_necessity,
2066         mark_really_necessary_kill_operand_phis): Update uses of
2067         worklist.
2068         (tree_dce_init): Allocate worklist using VEC_alloc.
2069         (tree_dce_done): Free worklist using VEC_free.
2070
2071 2005-04-23  Mike Stump  <mrs@apple.com>
2072
2073         * config/darwin.c (machopic_indirection_name): Don't use
2074         quotes needlessly.
2075         (darwin_emit_unwind_label): Use user_label_prefix instead of
2076         "_".
2077
2078 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2079
2080         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
2081
2082 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
2083
2084         * config.gcc <cris-*>: Specify .opt files.
2085         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
2086         config/cris/linux.opt: New files.
2087         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
2088         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
2089         (TARGET_ELF): Override to 0.
2090         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
2091         -melinux-stacksize=N.
2092         * config/cris/cris.c: (cris_handle_option): New function.
2093         (TARGET_DEFAULT_TARGET_FLAGS): Override.
2094         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
2095         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
2096         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
2097         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
2098         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
2099         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
2100         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
2101         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
2102         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
2103         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
2104         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
2105         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
2106         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
2107         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
2108         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
2109         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
2110         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
2111         (TARGET_LINUX): Define 0.
2112         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
2113         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
2114         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
2115         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
2116         (TARGET_LINUX): Override to 1.
2117         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
2118
2119 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
2120
2121         * haifa-sched.c (schedule_block): Fix thinko in previous
2122         assertification patch.
2123
2124 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
2125
2126         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
2127         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
2128         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
2129         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
2130         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
2131         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
2132         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
2133         for hpux11.[1-9]*.
2134         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
2135         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
2136         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
2137         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
2138         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
2139         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
2140         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
2141         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
2142         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
2143         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
2144         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
2145         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
2146         (SUBTARGET_OPTIONS): Delete.
2147         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
2148         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
2149         instead of a string.
2150         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
2151         (pa_cpu_string, pa_unix_string): Delete.
2152         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
2153         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
2154         TARGET_HPUX_10_10.
2155         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2156         (pa_handle_option): New function.
2157         (override_options): Remove handling of -march=, -mfixed-range=,
2158         -mschedule= and -munix=.
2159         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
2160         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
2161         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
2162         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
2163         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
2164         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
2165         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
2166         redefining.
2167         * config/pa/pa.opt: New file.
2168         * config/pa/pa-hpux.opt: New file.
2169         * config/pa/pa-hpux1010.opt: New file.
2170         * config/pa/pa-hpux1111.opt: New file.
2171         * config/pa/pa64-hpux.opt: New file.
2172
2173 2005-04-22  David S. Miller  <davem@davemloft.net>
2174
2175         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
2176         integer when it's mode is VOIDmode not DImode.
2177
2178 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
2179
2180         * config/rs6000/rs6000.md (sync_add<mode>_internal,
2181         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
2182         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
2183         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
2184         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
2185         "bne- $-xxx" rather than local labels.
2186         (sync_lock_release<mode>): Add second operand.
2187         (lwsync): Use .long rather than a more meaningful opcode.
2188         * doc/md.texi (Standard Names): Add description of second
2189         parameter to sync_lock_test_and_set.
2190
2191 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2192
2193         PR tree-optimization/21088
2194         * fold-const.c (fold_unary, fold_binary, fold_ternary):
2195         Export.
2196         * tree-vrp.c (compare_values): Use fold_binary to compare
2197         pointers.  Use boolean_type_node as the type of a comparison
2198         expression being folded.
2199         * tree.h: Add prototypes for fold_unary, fold_binary,
2200         fold_ternary.
2201
2202         * tree-ssa-dom.c: Fix formatting.
2203
2204 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
2205
2206         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
2207         * lambda-code.c (perfect_nestify): Mark virtual operands in
2208         the moved statement for renaming.
2209         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
2210         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
2211         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
2212         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
2213         * tree-flow.h (struct var_ann_d): Update comments.
2214         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
2215         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
2216         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
2217         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
2218         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
2219         debug_names_replaced_by): Remove declarations.
2220         (delete_update_ssa, get_current_def, set_current_def): Declare.
2221         (rewrite_into_loop_closed_ssa): Add new argument.  Update
2222         all callers.
2223         * tree-into-ssa.c: Include params.h.
2224         (old_virtual_ssa_names): Remove.  Update all users.
2225         (need_to_replace_names_p): Remove.  Update all users.
2226         (struct update_ssa_stats_d): Declare.
2227         (update_ssa_stats): New local.
2228         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
2229         dump_tree_ssa_stats, debug_tree_ssa_stats,
2230         dump_update_ssa, debug_update_ssa,
2231         dump_names_replaced_by, debug_names_replaced_by): Declare.
2232         (get_current_def, set current_def): Make extern.
2233         (is_old_name, is_new_name): Protect against references
2234         past the end of the sets.
2235         (add_new_name_mapping): Assert that OLD and NEW are
2236         different SSA names for the same symbol.
2237         When adding a virtual mapping, update stats for virtual
2238         mapping heuristic.
2239         (insert_phi_nodes_for): If UPDATE_P is true, create the
2240         LHS of the new PHI by duplicating SSA name VAR.
2241         (insert_phi_nodes_1): Remove.  Update all users.
2242         (insert_phi_nodes): Remove second argument.  Update all
2243         users.
2244         (maybe_replace_use, maybe_replace_def): New.
2245         (rewrite_update_stmt): Call them.
2246         (mark_def_interesting): Remove calls to is_gimple_reg.
2247         (prepare_phi_args_for_update): Remove.  Update all users.
2248         (prepare_block_for_update): Only process virtual operands
2249         and GIMPLE registers in normal form.
2250         (prepare_use_sites_for): New.
2251         (prepare_names_to_update): Rename from prepare_def_sites.
2252         Call prepare_use_sites_for.
2253         (dump_update_ssa): Rename from dump_repl_tbl.
2254         Update all users.
2255         Show statistics for virtual mapping heuristic.
2256         (debug_update_ssa): Rename from debug_debug_repl_tbl.
2257         (init_update_ssa): Initialize UPDATE_SSA_STATS.
2258         (delete_update_ssa): Make extern.
2259         (mark_set_for_renaming): If the set is empty, do nothing.
2260         (release_ssa_name_after_update_ssa): Update comment.
2261         (insert_updated_phi_nodes_for): Do not remove existing
2262         PHI nodes for symbols.
2263         (switch_virtuals_to_full_rewrite_p): New.
2264         (switch_virtuals_to_full_rewrite): New.
2265         (update_ssa): Call them.
2266         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
2267         for every statement before updating.
2268         If all the names in NEW_SSA_NAMES have been marked for
2269         removal, do nothing.
2270         Only start at the top of the CFG if there are symbols in
2271         SYMS_TO_RENAME.
2272         (ssa_rewrite_finalize_block): Remove.
2273         (ssa_register_new_def): Remove.
2274         (ssa_rewrite_stmt): Remove.
2275         (ssa_rewrite_phi_arguments): Remove.
2276         (ssa_rewrite_initialize_block): Remove.
2277         (ssa_mark_def_sites): Remove.
2278         (ssa_mark_def_sites_initialize_block): Remove.
2279         (ssa_mark_phi_uses): Remove.
2280         (rewrite_ssa_into_ssa): Remove.
2281         * tree-phinodes.c (find_phi_node_for): Remove.
2282         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2283         Call update_ssa.
2284         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
2285         Remove calls to verify_dominators and
2286         verify_loop_structure.
2287         (tree_unswitch_single_loop): Call update_ssa.
2288         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
2289         returns false.
2290         Call verify_stmts.
2291         (delete_tree_ssa): Assert that need_ssa_update_p returns
2292         false.
2293         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
2294         * tree-vectorizer.c (allocate_new_names, rename_def_op,
2295         free_new_names): Remove.  Update all users.
2296         (rename_use_op): Call get_current_def.
2297         (rename_variables_in_bb): Do not handle any real or
2298         virtual definition.
2299         (slpeel_update_phis_for_duplicate_loop): Call
2300         get_current_def and set_current_def instead of using
2301         SSA_NAME_AUX.
2302         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
2303         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
2304         ssa_names_to_replace and delete_update_ssa.
2305         * doc/invoke.texi: Document --param min-virtual-mappings
2306         and --param virtual-mappings-ratio.
2307
2308 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
2309
2310         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
2311         for newly created PHI nodes.
2312         Call create_new_def_for for every new V_MAY_DEF and
2313         V_MUST_DEF on the copied statement.
2314         (struct ssa_name_map_entry): Remove.
2315         (ssa_name_map_entry_hash): Remove.
2316         (ssa_name_map_entry_eq): Remove.
2317         (allocate_ssa_names): Remove.
2318         (rewrite_to_new_ssa_names_def): Remove.
2319         (rewrite_to_new_ssa_names_use): Remove.
2320         (rewrite_to_new_ssa_names_bb): Remove.
2321         (rewrite_to_new_ssa_names): Remove.
2322         (tree_duplicate_sese_region): Remove variables ver,
2323         definitions, phi, ssa_name_map and bi.
2324         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
2325         Call update_ssa.
2326         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
2327         update_ssa instead of rewrite_ssa_into_ssa.
2328         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
2329         create_new_def_for.
2330         (find_uses_to_rename_use): Add argument 'need_phis'.
2331         (find_uses_to_rename_stmt): Do not scan virtual operands.
2332         (find_uses_to_rename): Only scan PHI nodes for
2333         non-virtual names.
2334         (rewrite_into_loop_closed_ssa): Call update_ssa.
2335         (check_loop_closed_ssa_use): Ignore virtual operands.
2336         (check_loop_closed_ssa_stmt): Likewise.
2337         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
2338         NULL.
2339         (rename_variables, set_phi_def_stmts): Remove.
2340         (tree_duplicate_loop_to_header_edge): Reformat comment.
2341         Remove variables BB, I and DEFINITIONS.
2342         Call need_ssa_update_p.
2343         Call update_ssa.
2344         (lv_adjust_loop_header_phi): Reformat comment.
2345         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
2346         (marked_for_rewrite_p, any_marked_for_rewrite_p,
2347         mark_for_rewrite, unmark_all_for_rewrite,
2348         marked_ssa_names): Remove.  Update all users.
2349         (release_ssa_name): If VAR has been registered for SSA
2350         updating, do nothing.
2351         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
2352         (build_assert_expr_for): Call register_new_name_mapping.
2353         (insert_range_assertions): Update call to update_ssa.
2354         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
2355         marked_for_rewrite_p, any_marked_for_rewrite_p,
2356         marked_ssa_names): Remove.
2357
2358 2005-04-22  Jeff Law  <law@redhat.com>
2359
2360         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
2361         (restore_currdefs_to_original_value): Likewise.
2362         (register_definitions_for_stmt): Likewise.
2363         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
2364         for each variable.  Do not allocate/free block_defs_stack either.
2365         Do not iterate if we just thread jumps.  Only iterate if the
2366         tree_cleanup_cfg does useful work (temporary).
2367         (dom_opt_initialize_block): No longer push a marker on
2368         BLOCK_DEFS_STACK.
2369         (dom_opt_finalize_block): Removal call to restore currdefs.
2370         Relax restrictions for recording edge equivalences.
2371         (record_equivalences_from_phis): No longer need to track
2372         CURRENT_DEF.
2373         (optimize_stmt): Similarly.
2374         (thread_across_edge): Simplify by removing the requirement that
2375         statements in the block we are threading through must be nops.
2376         (initialize_hash_element): Handle GOTO_EXPR.
2377
2378 2005-04-22  David S. Miller  <davem@davemloft.net>
2379
2380         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
2381         CONST_DOUBLE_HIGH.
2382         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
2383         fix check on CONST_DOUBLE mode.  It should be VOIDmode
2384         when it is representing an integer.
2385
2386 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2387
2388         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
2389         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
2390         * c-format.c (get_constant, decode_format_attr, get_flag_spec, 
2391         find_char_info_specifier_index,
2392         find_length_info_modifier_index): Likewise.
2393         * c-typeck.c (composite_type, pop_init_level): Likewise.
2394         * combine.c (cant_combine_insn_p, try_combine): Likewise.
2395         * cse.c (cse_insn): Likewise
2396         * dominance.c (calc_dfs_tree): Likewise
2397         dwarf2out.c (loc_descriptor_from_tree_1,
2398         add_abstract_origin_attribute, force_decl_die,
2399         force_type_die): Likewise
2400         emit-rtl.c (operand_subword_force): Likewise
2401         explow.c (hard_function_value): Likewise
2402         expmed.c (store_bit_field, expand_divmod,
2403         emit_store_flag_force): Likewise
2404         expr.c (emit_move_multi_word, store_expr,
2405         expand_expr_real_1): Likewise
2406         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
2407         output_operand): Likewise
2408         flow.c (recompute_reg_usage): Likewise
2409         * function.c (assign_stack_temp_for_type, assign_temp, 
2410         handle_epilogue_set): Likewise
2411         * genextract.c (main): Likewise
2412         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
2413         gimplify_modify_expr_rhs, gimplify_expr): Likewise
2414         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
2415         ready_remove, rm_line_notes, rm_other_notes,
2416         schedule_block): Likewise
2417         mips-tfile.c (copy_object, out_of_bounds): Likewise
2418
2419 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
2420
2421         PR target/20813
2422         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
2423         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
2424         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
2425         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
2426         TARGET_XL_COMPAT.
2427         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
2428
2429 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2430
2431         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
2432         (gcc_tree_to_linear_expression): Convert to heap allocated
2433         vectors.
2434         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
2435         lbv_to_gcc_expression, lle_to_gcc_expression,
2436         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, 
2437         perfect_nestify): Likewise.
2438         lambda.h (gcc_loopnest_to_lambda_loopnest,
2439         lambda_loopnest_to_gcc_loopnest): Likewise.
2440         tree-loop-linear.c (linear_transform_loops): Likewise.
2441
2442 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
2443
2444         * config/sparc/predicates.md (arith_double_operand): Use
2445         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
2446         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
2447         (DImode, DFmode constant splitters): Likewise.  Remove code for
2448         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
2449         (logical constant splitters): Use const_int_operand predicate.
2450         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
2451         HOST_BITS_PER_WIDE_INT < 64.
2452
2453 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2454
2455         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
2456         gcc_unreachable as appropriate.
2457         (force_mode, emit_move_sequence, singlemove_string,
2458         output_move_double, output_fp_move_double, find_addr_reg,
2459         output_block_move, output_block_clear, output_and,
2460         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
2461         pa_adjust_cost, pa_issue_rate, print_operand,
2462         output_global_address, output_arg_descriptor, output_cbranch,
2463         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
2464         output_call): Likewise.
2465         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
2466         prefetch, prefetch_cc, prefetch_nocc): Likewise.
2467
2468 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
2469
2470         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
2471         _gcov_pow2_profiler and _gcov_one_value_profiler.
2472         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
2473         (GTFILES): Add $(srcdir)/tree-profile.c.
2474         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
2475         __gcov_one_value_profiler): Declare.
2476         * gimplify.c (force_gimple_operand): Check whether the statements
2477         should be produced in ssa form.
2478         (force_gimple_operand_bsi): New function.
2479         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
2480         __gcov_one_value_profiler): New functions.
2481         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
2482         the profiled value is a power of two or not.
2483         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
2484         * tree-flow.h (in_ssa_p): Declare.
2485         (force_gimple_operand_bsi): Declare.
2486         * tree-into-ssa.c (in_ssa_p): New variable.
2487         (rewrite_into_ssa): Set in_ssa_p.
2488         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
2489         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
2490         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
2491         tree_one_value_profiler_fn): New variables.
2492         (tree_init_edge_profiler): Initialize the profiler function decls.
2493         (tree_gen_edge_profiler): Use global gcov_type_node.
2494         (prepare_instrumented_value): New function.
2495         (tree_gen_interval_profiler, tree_gen_interval_profiler,
2496         tree_gen_one_value_profiler): Call the library functions instead of
2497         creating instrumentation code.
2498         * tree.c (build_fn_decl): New function.
2499         * tree.h (build_fn_decl): Declare.
2500         * value-prof.c (rtl_divmod_values_to_profile,
2501         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
2502         tree_mod_pow2_value_transform, tree_find_values_to_profile):
2503         Do not handle may_be_other and precise values of exponents at pow2
2504         profiler.
2505         (tree_mod_subtract_transform): Reflect that value field of
2506         histogram has changed meaning.
2507         (tree_divmod_values_to_profile): Record the values correctly.
2508         (tree_values_to_profile): Update comment.
2509         * value-prof.h (struct histogram_value_t): Remove pow2 data.
2510
2511 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
2512
2513         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
2514         (decl).
2515
2516 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2517
2518         * config/i386/i386.md (length_immediate): Use gcc_assert or
2519         gcc_unreachable, as appropriate.
2520         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
2521         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
2522         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
2523         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
2524         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
2525         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
2526         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
2527         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
2528         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
2529         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
2530         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
2531         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
2532         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
2533         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
2534         *prefetch_sse_rex): Likewise.
2535         * config/i386/predicates.md (x86_64_immediate_operand,
2536         x86_64_zext_immediate_operand, symbolic_operand,
2537         no_seg_address_operand, aligned_operand,
2538         memory_displacement_operand): Likewise.
2539         * config/i386/sse.md (*mov<mode>_internal,
2540         *movv2df_internal): Likewise.
2541
2542 2005-04-22  Jan Hubicka  <jh@suse.cz>
2543
2544         * Makefile.in (ipa.o, ipa-inline.o): New files.
2545         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
2546         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
2547         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
2548         * cgraphunit.c (cgraph_default_inline_p,
2549         cgraph_decide_inlining_incrementally,  ncalls_inlined,
2550         nfunctions_inlined, initial_insns, overall_insns, 
2551         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
2552         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
2553         cgraph_mark_inline, cgraph_check_inline_limits,
2554         cgraph_default_inline_p, cgraph_recursive_inlining_p,
2555         update_callee_keys, lookup_recursive_calls,
2556         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
2557         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
2558         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
2559         pass_ipa_inline): Move to ipa-inline.c
2560         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
2561         * ipa.c: New file.
2562         * ipa-inline.c: New file.
2563
2564 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
2565
2566         * doc/invoke.texi (SPARC options): Document that -mapp-regs
2567         is turned off by default on Solaris.
2568
2569 2005-04-21  Roger Sayle  <roger@eyesopen.com>
2570
2571         * c-common.h (objc_build_method_signature): Update prototype.
2572         * stub-objc.c (objc_build_method_signature): Update the stub
2573         implementation to accept and ignore additional parameter.
2574         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
2575         the value of ellipsis to objc_build_method_signature instead
2576         of setting TREE_OVERFLOW on the parms TREE_LIST node.
2577
2578 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
2579
2580         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
2581         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
2582         gen_rtx_* not gen_rtx_fmt_*.
2583         (rs6000_emit_vector_select): Likewise.
2584         (rs6000_emit_sync): New.
2585         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
2586         (larx, stcx, cmp): New mode substitutions.
2587         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
2588         UNSPEC_ISYNC): New constants.
2589         (rlwinm): Give name.
2590         (memory_barrier, isync, lwsync): New insns.
2591         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
2592         (sync_lock_release<mode>): New expander.
2593         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
2594         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
2595         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
2596         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
2597         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
2598         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
2599         (sync_add<mode>_internal, sync_addshort_internal,
2600         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
2601         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
2602         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
2603
2604         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
2605         is the memory before, not after, the operation.  Clarify
2606         barrier requirements.
2607
2608 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2609
2610         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
2611         * lambda.h (lambda_vector_min_nz): Likewise.
2612         * langhooks.h (struct lang_hooks_for_types,
2613         struct lang_hooks): Likewise.
2614         * output.h (assemble_integer, this_is_asm_operands): Likewise.
2615         * tree.h: Likewise.
2616         * vec.h: Likewise.
2617         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
2618         
2619         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
2620         comments to avoid 'abort'.  Use gcc_assert as necessary.
2621         * opts.c (common_handle_option): Likewise.
2622         * pretty-print.c (pp_base_format_text): Likewise.
2623         * print-rtl.c (print_rtx): Likewise.
2624         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
2625         * regmove.c (try_auto_increment): Likewise.
2626         * reload.c (find_valid_class, find_reloads_toplev,
2627         find_equiv_reg): Likewise.
2628         * reload1.c (reload, forget_old_reloads_1, function_invariant_p, 
2629         merge_assigned_reloads): Likewise.
2630         * tree-inline.c (inline_forbidden_p_1,
2631         estimate_num_insns_1): Likewise.
2632         * tree-optimize.c (execute_todo): Likewise.
2633         * tree-outof-ssa.c (eliminate_phi): Likewise.
2634         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
2635         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
2636         * tree-ssa-operands.c (parse_ssa_operands,
2637         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
2638         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
2639         * tree-ssanames.c (release_ssa_name): Likewise.
2640         * tree.c (int_bit_position, int_byte_position, tree_low_cst, 
2641         walk_tree): Likewise.
2642
2643         * tree-ssa-operands.c (verify_abort): Fold into ..
2644         (verify_imm_links): ... here.
2645
2646 2005-04-21  Richard Henderson  <rth@redhat.com>
2647
2648         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
2649         on non-memory operand for previous inversion.
2650
2651 2005-04-21  Devang Patel  <dpatel@apple.com>
2652
2653         PR optimization/20994
2654         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
2655         x = !(a == b) : p , q;.
2656         (pass_if_conversion): Verify stmts and flow.
2657         
2658 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2659
2660         * optabs.c (gen_conditional_trap): Restore #define.
2661
2662         * alias.c (true_dependence): Remove 'abort' from comments. Use
2663         gcc_assert and gcc_unreachable as appropriate.
2664         (canon_true_dependence): Likewise.
2665         * bb-reorder.c (connect_traces): Likewise.
2666         * c-common.c (c_add_case_label): Likewise.
2667         * c-decl.c (finish_function): Likewise.
2668         * caller-save.c (insert_restore, insert_save): Likewise.
2669         * cfg.c (update_bb_profile_for_threading): Likewise.
2670         * cfganal.c (flow_active_insn_p): Likewise.
2671         * cfgexpand.c (add_reg_br_prob_note): Likewise.
2672         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
2673         cfg_layout_merge_blocks): Likewise.
2674         * ifcvt.c (cond_exec_process_insns, merge_if_block,
2675         find_if_block): Likewise.
2676         * integrate.c (allocate_initial_values): Likewise.
2677         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
2678         swap_condition, unsigned_condition, signed_condition,
2679         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
2680         reg_or_subregno): Likewise.
2681         * lambda-code.c (lambda_compute_auxillary_space,
2682         lambda_transform_legal_p): Likewise.
2683         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
2684         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
2685         lhd_incomplete_type_error, lhd_expand_expr,
2686         lhd_types_compatible_p, lhd_tree_size): Likewise.
2687         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
2688         * local-alloc.c (update_equiv_regs): Likewise.
2689         * loop-unroll.c (peel_loop_completely
2690         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
2691         peel_loop_simple, unroll_loop_stupid,
2692         analyze_iv_to_split_insn): Likewise.
2693         * loop.c (gen_prefetch, find_and_verify_loops,
2694         basic_induction_var): Likewise.
2695         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
2696         * value-prof.c (tree_find_values_to_profile): Likewise.
2697         * varasm.c (named_section, default_assemble_integer,
2698         decode_addr_const): Likewise.
2699
2700 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
2701            Fariborz Jahanian <fjahanian@apple.com>
2702
2703         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
2704         portion of argument passed in fpr.
2705         * expr.c (emit_push_insn): Fix computation of 'offset' used to
2706         decide on partial argument save on stack.
2707
2708 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
2709
2710         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
2711         comment typos.
2712
2713 2005-04-21  Jan Hubicka  <jh@suse.cz>
2714
2715         * cgraphunit.c: Include tree-pass.h
2716         (cgraph_decide_recursive_inlining,
2717         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
2718         cgraph_decide_inlining): Dump goes to dump_file.
2719         (cgraph_optimize): Call ipa passes instead of inliner.
2720         (cgraph_gate_inlining, pass_ipa_inline): New.
2721         * tree-optimize.c (all_ipa_passes): New static variable.
2722         (register_one_dump_file): Dead with IPA passes.
2723         (register_dump_files): Likewise.
2724         (init_tree_optimization_passes): Initialize IPA passes.
2725         (execute_todo): Do cgraph dump when asked to, do not dump function body
2726         for IPA pass.
2727         * tree-pass.h (TODO_dump_cgraph): New macro.
2728         (ipa_passes): Declare.
2729         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
2730
2731 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2732
2733         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
2734         gcc_assert instead of abort.
2735         (classify_argument, examine_argument, construct_container,
2736         contains_128bit_aligned_vector_p, ix86_check_movabs,
2737         standard_80387_constant_opcode, standard_80387_constant_rtx,
2738         ix86_initial_elimination_offset, ix86_compute_frame_layout,
2739         pro_epilogue_adjust_stack, ix86_expand_epilogue,
2740         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
2741         legitimize_tls_address, output_pic_addr_const,
2742         i386_output_dwarf_dtprel, put_condition_code, print_reg,
2743         get_some_local_dynamic_name, print_operand, print_operand_address,
2744         output_387_binary_op, emit_i387_cw_initialization,
2745         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
2746         ix86_expand_clear, ix86_expand_binary_operator,
2747         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
2748         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
2749         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
2750         ix86_expand_branch, ix86_expand_setcc,
2751         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
2752         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
2753         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
2754         memory_address_length, ix86_attr_length_immediate_default,
2755         ix86_attr_length_address_default, ix86_agi_dependant,
2756         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
2757         ix86_expand_binop_builtin, ix86_force_to_memory,
2758         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
2759         x86_emit_floatuns): Likewise.
2760         * config/i386/netware.c (gen_regparm_prefix,
2761         i386_nlm_strip_name_encoding): Likewise.
2762         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
2763
2764 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2765
2766         * optabs.c (gen_condiational_trap): Remove #define.
2767         (add_equal_note): Assertify. Remove explicit indirection from
2768         call via function pointer.
2769         (expand_ternary_op, expand_simple_binop, expand_binop,
2770         expand_twoval_unop, expand_twoval_binop,
2771         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
2772         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
2773         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
2774         prepare_float_lib_cmp, emit_conditional_move,
2775         emit_conditional_add, gen_add2_insn, gen_add3_insn,
2776         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
2777         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
2778         vector_compare_rtx, expand_vec_cond_expr): Likewise.
2779
2780 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2781
2782         * vec.h: Update API to separate allocation mechanism from type.
2783         (VEC_safe_grow): New.
2784         * vec.c (calculate_allocation): New.
2785         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
2786         (vec_gc_free, vec_heap_free): Remove.
2787         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
2788         (VEC): Likewise.
2789         (mangle_macro_name): New.
2790         (struct macro_def): New.
2791         (struct macro): Add multiple argument values.
2792         (macro_expans_end): New.
2793         (push_macro_expansion):  Chain on new macro. Process multiple
2794         args, create follow on expansion. Return follow on argument.
2795         (macro_input): Deal with multiple arguments.
2796         
2797         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
2798         (struct tree_binfo): Adjust.
2799         * basic-block.h: Define VEC(edge,gc).
2800         (struct edge_def): Adjust.
2801         (struct basic_block_def, struct edge_iterator): Likewise.
2802         (ei_container, ei_start_1, ei_last_1): Likewise.
2803         * cfg.c (connect_src, connect_dest): Likewise.
2804         * cfgrtl.c (force_nonfallthru_and_redirect)
2805         * dbxout.c (dbxout_type)
2806         * dwarf2out.c (gen_member_die)
2807         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
2808         (gcc_tree_to_linear_expression): Adjust.
2809         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
2810         lbv_to_gcc_expression, lle_to_gcc_expression,
2811         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
2812         perfect_nestify): Likewise.
2813         * lambda.h (gcc_loopnest_to_lambda_loopnest,
2814         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
2815         * profile.c (instrument_values): Adjust.
2816         * tree-cfg.c (modified_noreturn_calls): Adjust.
2817         (remove_fallthru_edge): Likewise.
2818         * tree-dump.c (dequeue_and_dump): Adjust.
2819         * tree-flow-inline.h (mark_stmt_modified): Adjust.
2820         * tree-flow.h (modified_noreturn_calls): Adjust.
2821         (tree_on_heap): Remove. (yay!)
2822         (register_new_def): Adjust.
2823         * tree-into-ssa.c: Define VEC(int,heap).
2824         (block_defs_stack): Adjust.
2825         (find_idf, insert_phi_nodes, register_new_def,
2826         rewrite_initialize_block, rewrite_finalize_block,
2827         register_new_update_single, rewrite_update_init_block,
2828         rewrite_update_fini_block, rewrite_blocks,
2829         ssa_rewrite_finalize_block, ssa_register_new_def,
2830         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
2831         * tree-loop-linear.c (linear_transform_loops): Adjust.
2832         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
2833         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
2834         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
2835         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
2836         vrp_variables_stack): Adjust declarations.
2837         (tree_ssa_dominator_optimize): Adjust.
2838         (dom_opt_initialize_block, remove_local_expressions_from_table,
2839         restore_nonzero_vars_to_original_value,
2840         restore_vars_to_original_value,
2841         restore_currdefs_to_original_value, dom_opt_finalize_block,
2842         record_var_is_nonzero, record_cond, record_const_or_copy_1,
2843         optimize_stmt, update_rhs_and_lookup_avail_expr,
2844         lookup_avail_expr, record_range): Likewise.
2845         * tree-ssa-pre.c: Define VEC(basic_block,heap).
2846         (compute_antic_aux): Adjust.
2847         (inserted_exprs, create_expression_by_pieces, 
2848         insert_into_preds_of_block, eliminate, mark_operand_necessary, 
2849         remove_dead_inserted_code, fini_pre): Likewise.
2850         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
2851         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. 
2852         ssa_prop_init): Likewise.
2853         * tree-ssa.c: Define VEC(bitmap,heap).
2854         (verify_name_tags): Adjust.
2855         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
2856         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
2857         tree_divmod_values_to_profile, tree_find_values_to_profile,
2858         value_profile_transformations): Likewise.
2859         * value-prof.h: Define VEC(histogram_value,heap).
2860         * varasm.c: Remove alias_pair pointer typedef, define
2861         VEC(alias_pair,gc).
2862         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
2863         
2864         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
2865         not a pointer to it.  Create an object vector.
2866         (extern_symbols): Turn into an object vector.
2867         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
2868
2869 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
2870
2871         PR/20742
2872         * Makefile.in (tree-chrec.o): Depend on params.h.
2873         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
2874         default value 20.
2875         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
2876         and fold build with fold_buildN.
2877         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
2878         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2879         (tree_contains_chrecs): Compute an estimation of the size of the
2880         given expression.
2881         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
2882         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
2883         * tree-scalar-evolution.c (simple_iv): Ditto.
2884         * doc/invoke.texi (scev-max-expr-size): Documented.
2885
2886 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
2887
2888         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
2889         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
2890         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
2891         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
2892         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
2893         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
2894         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
2895         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
2896         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
2897         (darwin_fix_and_continue_switch): Delete.
2898         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
2899         (SUBTARGET_SWITCHES): Delete.
2900         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
2901         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
2902         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
2903         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
2904         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
2905         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
2906         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
2907         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
2908         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
2909         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
2910         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
2911         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
2912         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
2913         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
2914         (TARGET_64BIT): Undef before redefining.
2915         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
2916         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
2917         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
2918         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
2919         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
2920         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
2921         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
2922         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
2923         (ix86_debug_arg_string, ix86_debug_addr_string)
2924         (ix86_align_loops_string, ix86_align_jumps_string)
2925         (ix86_align_funcs_string): Delete.
2926         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
2927         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
2928         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
2929         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
2930         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
2931         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
2932         (SUBTARGET_SWITCHES): Delete.
2933         * config/i386/i386.c (ix86_debug_arg_string): Delete.
2934         (ix86_debug_addr_string): Delete.
2935         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
2936         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
2937         (ix86_align_loops_string, ix86_align_jumps_string)
2938         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
2939         (ix86_align_funcs_string): Make static.
2940         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2941         (ix86_handle_option): New function.
2942         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
2943         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
2944         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
2945         of darwin_fix_and_continue_switch.
2946         (darwin_one_byte_bool): Delete.
2947         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
2948         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
2949         to darwin_one_byte_bool.
2950         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
2951         * config/i386/djgpp.opt, config/i386/i386.opt,
2952         * config/i386/sco5.opt: New files.
2953
2954 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2955
2956         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
2957         fp_zero_operand, fp_register_operand, intreg_operand,
2958         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
2959         call_operand, call_operand_address, tgd_symbolic_operand,
2960         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
2961         symbolic_operand, symbolic_memory_operand, label_ref_operand,
2962         sp64_medium_pic_operand, data_segment_operand,
2963         text_segment_operand, splittable_symbolic_memory_operand,
2964         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
2965         eq_or_neq, normal_comp_operator, noov_compare_op,
2966         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
2967         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
2968         const64_operand, const64_high_operand, arith11_operand,
2969         arith10_operand, arith_double_operand, arith_double_4096_operand,
2970         arith_double_add_operand, arith11_double_operand,
2971         arith10_double_operand, small_int, small_int_or_double,
2972         uns_small_int, uns_arith_operand, clobbered_register,
2973         input_operand, compare_operand): Delete.
2974         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
2975         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
2976         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
2977         (GEN_HIGHINT64, GEN_INT64): Delete.
2978         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
2979         gen_safe_XOR64): Adjust for above deletion.
2980         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
2981         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
2982         (legitimate_constant_p): Use const_zero_operand instead.
2983         (sparc_extra_constraint_check): Likewise.
2984         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
2985         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
2986         (PREDICATE_CODES): Delete.
2987         * config/sparc/sparc.md: Include predicates.md.
2988         (All patterns): Adjust for new predicate names.
2989         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
2990         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
2991         (movdi): Use general_operand predicate.
2992         (movdi_sp64_dbl): Delete.
2993         (movdi_const64_special): Add 'N' constraint.
2994         (movdicc): Use arith10_operand predicate.
2995         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
2996         (movdi_cc_reg_sp64): Use arith10_operand predicate.
2997         (movdi_cc_reg_sp64_trunc): Delete.
2998         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
2999         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
3000         (subdi3_sp32): Delete.
3001         (subdi3_insn_sp32): Change to define_insn_and_split.
3002         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
3003         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
3004         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
3005         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
3006         small_int_operand predicate.
3007         (divdi3, udivdi3): Use arith_operand predicate.
3008         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
3009         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
3010         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
3011         (xordi3_sp64_dbl): Delete.
3012         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
3013         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
3014         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
3015         cmp_ccx_set_not): Use arith_operand predicate.
3016         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
3017         * config/sparc/predicates.md: New file.
3018
3019 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
3020
3021         PR tree-optimization/14846
3022         * fold-const.c (fold_single_bit_test_into_sign_test): New,
3023         split out from ...
3024         (fold_single_bit_test): ... here.
3025         (fold_binary): Call fold_single_bit_test_into_sign_test
3026         instead of fold_single_bit_test.
3027
3028 2005-04-20  James E Wilson  <wilson@specifixinc.com>
3029
3030         PR c++/20805
3031         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
3032         is another declaration.
3033
3034 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
3035
3036         * config/cris/predicates.md: New file.
3037         * config/cris/cris-protos.h (cris_store_multiple_op_p)
3038         (cris_movem_load_rest_p): Declare.
3039         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
3040         (cris_movem_load_rest_p): Ditto.  Globalize.
3041         (cris_bdap_operand, cris_bdap_biap_operand,
3042         cris_orthogonal_operator, cris_commutative_orth_op,
3043         cris_operand_extend_operator,
3044         cris_additive_operand_extend_operator, cris_extend_operator,
3045         cris_plus_or_bound_operator, cris_mem_op,
3046         cris_general_operand_or_symbol,
3047         cris_general_operand_or_gotless_symbol,
3048         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
3049         cris_load_multiple_op): Remove predicate functions.
3050         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
3051         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
3052         * config/cris/cris.h (PREDICATE_CODES): Don't define.
3053         * config/cris/cris.md: Include predicates.md.
3054         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
3055
3056 2005-04-20  Ian Lance Taylor  <ian@airs.com>
3057
3058         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
3059         * c-common.h (STMT_EXPR_STMT): Don't define.
3060         (STMT_EXPR_NO_SCOPE): Don't define.
3061         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
3062         * c-pretty-print.c (pp_c_primary_expression): Likewise.
3063         (pp_c_expression): Likewise.
3064
3065 2005-04-20  Richard Henderson  <rth@redhat.com>
3066
3067         PR target/21100
3068         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
3069
3070 2005-04-20  Jeff Law  <law@redhat.com>
3071
3072         * reload1.c (reload): Ignore equivalences between pseudos and
3073         read only memory.
3074
3075 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
3076
3077         PR c/12913
3078         * c-tree.h (struct c_label_list): Update comment.
3079         (struct c_label_context): Rename to struct c_label_context_se.
3080         (label_context_stack): Rename to label_context_stack_se.
3081         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
3082         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
3083         c_end_vm_scope): New.
3084         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
3085         * c-decl.c (pop_scope): Call c_end_vm_scope.
3086         (pushdecl): Call c_begin_vm_scope for variably modified
3087         declarations.
3088         (define_label): Check for jumping into scope of identifier with
3089         variably modified type.  Push label on stack for those defined at
3090         current context of identifiers with variably modified type.
3091         (start_function): Create stack level for context of identifiers
3092         with variably modified type.
3093         (finish_function): Pop stack level for context of identifiers with
3094         variably modified type.
3095         * c-typeck.c (label_context_stack): Rename to
3096         label_context_stack_se.
3097         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
3098         (c_finish_goto_label): Check for jumping into scope of identifier
3099         with variably modified type.  Push label on stack for those jumped
3100         to from current context of identifiers with variably modified
3101         type.
3102         (struct c_switch): Add blocked_vm.
3103         (c_start_case): Initialize blocked_vm.
3104         (do_case): Check blocked_vm.
3105         (c_finish_case): Add comment.
3106         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
3107         variable label_context_stack.
3108
3109 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3110
3111         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
3112         conditional_replacement, value_replacement, abs_replacement,
3113         minmax_replacement.
3114         (replace_phi_edge_with_variable): Remove argument BB.
3115         (conditional_replacement, value_replacement,
3116         minmax_replacement, abs_replacement): Remove argument PHI_BB.
3117         Update a call to replace_phi_edge_with_variable.
3118
3119         * tree-ssa-phiopt.c: Fix comments.
3120
3121 2005-04-20  Michael Matz  <matz@suse.de>
3122
3123         PR20973
3124         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
3125         pseudos.
3126
3127 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3128
3129         * tree-ssa-phiopt.c: Fix comment typos.
3130
3131         PR tree-optimization/21116
3132         * tree-ssa-phiopt.c: Fix a typo.
3133
3134 2005-04-19  Richard Henderson  <rth@redhat.com>
3135
3136         * builtins.c (expand_builtin_sync_operation): Revert last change.
3137         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
3138         not vs new value.
3139         (expand_compare_and_swap_loop): Likewise.
3140         (expand_sync_operation): Remove fallback from NAND to AND; invert
3141         memory operand when expanding from cmpxchg.
3142         (expand_sync_fetch_operation): Likewise.
3143         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
3144         compare-and-swap.
3145
3146         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
3147         when implementing NAND.  Fix double-add for AFTER.
3148         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
3149         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
3150         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
3151         memory value.
3152         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
3153         memory barrier.
3154
3155         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
3156         to return old memory value.
3157         (sync_compare_and_swap_cc<IMODE>): Likewise.
3158
3159         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
3160         return pre-reload.  Don't consider output or anti dependencies.
3161         * config/ia64/sync.md (IMODE): New.
3162         (modesuffix): Add QI and HI.
3163         (memory_barrier): Simplify expansion.
3164         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
3165         (cmpxchg_acq_<IMODE>): Likewise.
3166         (sync_lock_test_and_set<IMODE>): Likewise.
3167         (sync_lock_release<IMODE>): Likewise.
3168
3169 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
3170
3171         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
3172         ~X or ~Y simplify.
3173
3174 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
3175
3176         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
3177
3178 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
3179             Joseph S. Myers  <joseph@codesourcery.com>
3180
3181         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
3182         * c-typeck.c (build_c_cast): Check these options.
3183         * doc/invoke.texi: Document these options.
3184
3185 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3186
3187         * tree-ssa-phiopt.c: Update a comment about the pass.
3188
3189 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
3190
3191         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
3192         config/mcore/mcore.c: Fix comment typos.
3193
3194 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
3195
3196         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
3197         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
3198
3199 2005-04-19  Paul Brook  <paul@codesourcery.com>
3200
3201         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
3202
3203 2005-04-19  Andrew Haley  <aph@redhat.com>
3204
3205         PR java/21022
3206         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
3207         looking at a field's bitpos.
3208
3209 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3210
3211         * system.h (fopen, fdopen, freopen): Define these to the unlocked
3212         libiberty functions.
3213
3214 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
3215
3216         PR tree-optimization/21096
3217         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
3218
3219 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
3220
3221         PR target/21098
3222         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
3223         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
3224
3225 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
3226
3227         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
3228         refers to the function being dumped.
3229
3230 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
3231
3232         * varasm.c (assemble_start_function): Remove reset of in_section.
3233
3234 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
3235
3236         PR tree-optimization/21085
3237         * fold-const (fold_binary): Don't change X % -C to X % C if C has
3238         overflowed.
3239
3240 2005-04-19  Ben Elliston  <bje@au.ibm.com>
3241
3242         * doc/invoke.texi (Optimize Options): Refer to the correct
3243         optimisation flag -ftree-dominator-opts, not -ftree-dom.
3244
3245 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
3246
3247         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
3248         alloca argument to be big enough.
3249
3250 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
3251
3252         PR middle-end/21049
3253         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
3254         cfun->cfg are NULL.
3255
3256 2005-04-18  Tom Tromey  <tromey@redhat.com>
3257
3258         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
3259         typo.
3260
3261 2005-04-18  Richard Henderson  <rth@redhat.com>
3262
3263         * config/alpha/alpha.c (alpha_split_atomic_op): New.
3264         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
3265         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
3266         * config/alpha/alpha-protos.h: Update.
3267         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
3268         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
3269         (attr type): Add ld_l, st_c, mb.
3270         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
3271         iornotsi3, xorsi_internal, xornotsi3): New.
3272         * config/alpha/ev4.md (ev4_ld): Add ld_l.
3273         (ev4_ist_c, ev4_mb): New.
3274         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
3275         (ev5_ld_l): New.
3276         * config/alpha/ev6.md (ev6_ild): Add ld_l.
3277         (ev6_ist): Add st_c.
3278         (ev6_mb): New.
3279         * config/alpha/sync.md: New file.
3280
3281 2005-04-18  Richard Henderson  <rth@redhat.com>
3282
3283         * builtins.c (expand_builtin_sync_operation): Fold nand to and
3284         for constants.
3285
3286         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
3287
3288 2005-04-18  Devang Patel  <dpatel@apple.com>
3289
3290         * config/rs6000/atlivec.md (mulv4si3): New pattern.
3291         
3292 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
3293
3294         PR tree-optimization/20922
3295         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
3296         Fold X + c >= X and fold X - c <= X to true.
3297
3298 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
3299
3300         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
3301         unsigned int.
3302         (emergency_labeled_state_free): Likewise.
3303
3304 2005-04-18  Nick Clifton  <nickc@redhat.com>
3305
3306         * config/h8300/h8300.md (jump): Remove prescan parameter from
3307         calls to final_scan_insn.
3308
3309         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
3310         parameter from calls to final_scan_insn.
3311
3312         * config.gcc (m68hc12): Use the m68hc11.opt file for target
3313         specific options.
3314         (v850e, v850e1): Use the v850.opt file for target specific
3315         options.
3316
3317 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
3318
3319         PR tree-optimization/21001
3320         * tree-optimize.c (init_tree_optimization_passes): Move the
3321         first pass_forwprop immediately before pass_vrp.
3322
3323 2005-04-17  Ian Lance Taylor  <ian@airs.com>
3324
3325         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
3326         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
3327         from enum tree_code op to bool is_sizeof.
3328         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
3329         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
3330         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
3331         case.
3332         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
3333         cases.
3334         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
3335         ALIGNOF_EXPR cases.
3336
3337 2005-04-17  Ian Lance Taylor  <ian@airs.com>
3338
3339         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
3340
3341 2005-04-17  Richard Henderson  <rth@redhat.com>
3342
3343         * config/alpha/alpha.c (va_list_skip_additions): Only define if
3344         TARGET_ABI_OSF.
3345         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
3346         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
3347         of indirection through ssa names while looking for the gpr counter
3348         field.
3349         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
3350         saved va_list_gpr_size and va_list_fpr_size.
3351
3352 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
3353
3354         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
3355         both pointers or both integers.
3356
3357         * tree-vrp.c (maybe_add_assert_expr): Don't assert
3358         ASSERT_EXPRs for single-use variable.
3359
3360         * tree-into-ssa.c: Fix a comment typo.
3361
3362 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
3363
3364         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
3365         -mipsN before forcing a default of -mips2.
3366
3367 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
3368
3369         * predict.h (IS_TAKEN): Remove.
3370         * rtl.h (NOTE_PREDICTION): Likewise.
3371
3372         * modulo-sched.c (CFG_HOOKS): Remove.
3373
3374         * c-parser.c (N_C_TTYPES): Remove.
3375
3376         * tree-flow-inline.h (get_stmt_operands): Remove.
3377         * lambda-code.c, tree-ssa-loop-unswitch.c,
3378         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
3379         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
3380         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
3381         calls to get_stmt_operands.
3382         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
3383
3384 2005-04-17  Richard Henderson  <rth@redhat.com>
3385
3386         PR target/20375
3387         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
3388         of CUMULATIVE_ARGS past the last named argument.
3389         (alpha_va_start): Expect pretend_args_size only if strictly less than
3390         6 named arguments.
3391
3392 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
3393
3394         PR middle-end/21024
3395         * builtins.c (expand_builtin_strcat): Convert the result of
3396         strlen to the right type.
3397         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
3398         avoid creating type mismatches.
3399         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
3400         type mismatches.
3401
3402         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
3403
3404 2005-04-16  Richard Henderson  <rth@redhat.com>
3405
3406         PR target/21051
3407         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
3408         Use the mode of boolean_type_node when the user doesn't provide one.
3409         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
3410
3411 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
3412
3413         PR target/20126
3414         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
3415         (const)).
3416
3417         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
3418         comment.
3419
3420 2005-04-16  Roger Sayle  <roger@eyesopen.com>
3421             Steven Bosscher  <stevenb@suse.de>
3422
3423         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
3424         (fold_unary_to_constant): Likewise.
3425
3426 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
3427
3428         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
3429         PROP_ASM_SCAN.
3430
3431 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
3432
3433         * doc/install.texi (Specific): Avoid using asterisks in @anchor
3434         names related to target triplets.
3435         Remove i?86-*-esix from platform directory.
3436         Remove powerpc-*-eabiaix from platform directory.
3437
3438 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
3439
3440         PR middle-end/20491
3441         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
3442         falling through from SUBREG case to REG.
3443
3444 2005-04-15  Roger Sayle  <roger@eyesopen.com>
3445
3446         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
3447         (fold_binary): Update comment mentioning fold_relational_hi_lo.
3448         (fold_binary_to_constant): Simplify using fold_binary.
3449         (fold_unary_to_constant): Likewise, simplify using fold_unary.
3450
3451 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3452
3453         * gthr-posix.c (pthread_cancel): Define.
3454         (pthread_mutexattr_init): Likewise.
3455         (pthread_mutexattr_settype): Likewise.
3456         (pthread_mutexattr_destroy): Likewise.
3457
3458 2005-04-15  David S. Miller  <davem@davemloft.net>
3459
3460         PR target/20673
3461         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
3462
3463 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3464
3465         PR tree-optimization/21031
3466         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
3467         (forward_propagate_into_cond_1): Call it.  Forward propagate
3468         integer-integer casts into COND_EXPRs.
3469
3470 2005-04-15  Dave Korn  <dave.korn@artimi.com>
3471
3472         * gcc.c (default_compilers): Clarify obscure error message when
3473         reading from standard input.
3474
3475 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3476
3477         * basic-block.h (PROP_EQUAL_NOTES): Remove.
3478         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
3479
3480         * tree-ssa-alias.c (init_alias_info): Remove a call to
3481         get_stmt_operands.
3482
3483 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
3484
3485         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
3486         of non-virtual PHI nodes like we use to.
3487
3488 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
3489
3490         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
3491         (attr_copy_rtx): Do not use it.
3492
3493 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
3494
3495         * doc/tree-ssa.texi: Grammer/abbreviation updates.
3496
3497 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
3498
3499         * tree-vect-transform.c (vectorizable_store): Mark necessary
3500         objects in the vectorized store needing renaming.  Update the
3501         SSA graph for V_MAY_DEF operands in the original store.
3502
3503 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
3504
3505         * tree-ssa-pre.c (compute_avail): It's okay to have
3506         TREE_INVARIANT's here, and value number the resulting expressions.
3507         (create_expression_by_pieces): Make sure operands that were
3508         min_invariant when we started, stay that way.
3509
3510 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
3511
3512         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
3513
3514 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3515
3516         PR tree-optimization/20936.
3517         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
3518
3519 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3520
3521         * doc/invoke.texi: Fix typos.
3522         * doc/md.texi: Likewise.
3523         * doc/rtl.texi: Likewise.
3524         * doc/sourcebuild.texi: Likewise.
3525         * doc/tm.texi: Likewise.
3526
3527 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
3528
3529         PR tree-optimization/21004
3530         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
3531         and floorl in c99 mode only.
3532         * builtins.c (expand_builtin_int_roundingfn): Assert that
3533         fallback_fndecl is not NULL_TREE.
3534
3535 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3536
3537         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
3538         * basic-block.h: Update the prototype for
3539         purge_all_dead_edges.
3540         * cfgexpand.c (tree_expand_cfg): Update a call to
3541         purge_all_dead_edges.
3542         * combine.c (combine_instructions): Likewise.
3543         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
3544         rest_of_handle_cse2, rest_of_handle_gcse,
3545         rest_of_handle_postreload): likewise.
3546
3547 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
3548
3549         PR middle-end/20739
3550         * gimplify.c (gimplify_addr_expr): Compensate for removal of
3551         e.g. cv-qualification conversions.
3552
3553 2005-04-14  Mike Stump  <mrs@apple.com>
3554
3555         * config/darwin-c.c (framework_construct_pathname): We must
3556         find all headers of a framework in the first instance of it
3557         found in the seach path.
3558
3559 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
3560
3561         PR tree-optimization/21021
3562         * tree-vrp.c (compare_values): Work around a bug in the front
3563         end that produces a comparison of mismatched types.
3564
3565 2004-04-14  Richard Henderson  <rth@redhat.com>
3566
3567         * config/ia64/ia64.h (enum fetchop_code): Remove.
3568         (enum ia64_builtins): Move ...
3569         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
3570         members except BSP and FLUSHRS.
3571         (ia64_init_builtins): Remove __sync builtins.
3572         (ia64_expand_builtin): Likewise.
3573         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
3574         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
3575         (ia64_expand_lock_release): Remove.
3576         * config/ia64/ia64.md (mf): Move to sync.md.
3577         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
3578         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
3579         * config/ia64/sync.md: New file.
3580         (memory_barrier): Rename from mf.
3581         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
3582         (cmpxchg_acq_<I48MODE>): Likewise.
3583         (sync_lock_test_and_set<I48MODE>): Likewise.
3584
3585         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
3586         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
3587
3588 2004-04-14  Richard Henderson  <rth@redhat.com>
3589
3590         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
3591         (ix86_compare_emitted): New.
3592         (ix86_expand_compare): Use ix86_compare_emitted if set.
3593         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
3594         and ix86_compare_op0 are set.
3595         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
3596         (TARGET_CMPXCHG, TARGET_XADD): New.
3597         (ix86_compare_emitted): Declare.
3598         * config/i386/i386.md: Include sync.md
3599         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
3600         (UNSPECV_XCHG, UNSPECV_LOCK): New.
3601         * config/i386/sync.md: New file.
3602
3603 2004-04-14  Richard Henderson  <rth@redhat.com>
3604
3605         PR middle-end/14311
3606         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
3607         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
3608         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
3609         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
3610         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
3611         BT_FN_I8_VPTR_I8_I8): New.
3612         * builtins.def (DEF_SYNC_BUILTIN): New.
3613         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
3614         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
3615         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
3616         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
3617         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
3618         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
3619         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
3620         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
3621         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
3622         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
3623         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
3624         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
3625         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
3626         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
3627         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
3628         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
3629         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
3630         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
3631         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
3632         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
3633         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
3634         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
3635         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
3636         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
3637         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
3638         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
3639         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
3640         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
3641         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
3642         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
3643         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
3644         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
3645         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
3646         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
3647         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
3648         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
3649         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
3650         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
3651         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
3652         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
3653         BUILT_IN_SYNCHRONIZE: New.
3654         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
3655         as a function.  Accept __sync_ as a prefix as well.
3656         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3657         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
3658         expand_builtin_lock_release): New.
3659         (expand_builtin): Call them.
3660         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
3661         neither BOTH_P nor FALLBACK_P are defined.
3662         (builtin_type_for_size): New.
3663         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
3664         (resolve_overloaded_builtin): New.
3665         * c-common.h (resolve_overloaded_builtin): Declare.
3666         (builtin_type_for_size): Declare.
3667         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
3668         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
3669         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
3670         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
3671         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
3672         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
3673         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
3674         sync_compare_and_swap_cc, sync_lock_test_and_set,
3675         sync_lock_release): New.
3676         * optabs.h: Declare them.
3677         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
3678         expand_sync_operation, expand_sync_fetch_operation,
3679         expand_sync_lock_test_and_set): Declare.
3680         * genopinit.c (optabs): Add sync optabs.
3681         * optabs.c (init_optabs): Initialize sync optabs.
3682         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
3683         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
3684         expand_sync_operation, expand_sync_fetch_operation,
3685         expand_sync_lock_test_and_set): New.
3686         * doc/extend.texi (Atomic Builtins): New section
3687         * doc/md.texi (Standard Names): Add sync patterns.
3688
3689 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
3690
3691         * tree-eh.c (lower_try_finally_copy): Generate new code in
3692         response to goto_queue entries as if the queue was sorted by
3693         index, not pointers.
3694         (lower_try_finally_switch): Likewise.
3695
3696 2005-04-14  Richard Henderson  <rth@redhat.com>
3697
3698         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
3699         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
3700         register.
3701         (ix86_expand_fp_movcc): Update to match.
3702         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
3703         * config/i386/i386-protos.h: Update.
3704         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
3705         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
3706
3707 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
3708
3709         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
3710         refer to 4.0.
3711
3712 2005-04-14  Julian Brown  <julian@codesourcery.com>
3713
3714         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
3715         link failures on ppc64 Linux.
3716
3717 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3718
3719         * config.gcc: Set cpu_type for s390.
3720
3721 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
3722
3723         Fix PR tree-optimization/20963
3724         * tree-ssa-pre.c (compute_avail): Remove special case for
3725         TREE_INVARIANT.
3726         (create_expression_by_pieces): Add value numbers for forced out
3727         statements.
3728
3729 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
3730
3731         * config/cris/cris.md: Replace references to (reg:SI 16) with
3732         (reg:SI CRIS_SRP_REGNUM).
3733
3734 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
3735
3736         PR tree-optimization/20657
3737         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
3738         create an appropriate range from it.
3739
3740 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
3741
3742         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
3743         <UNSPEC_FIST_CEIL> case.
3744
3745         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
3746         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
3747         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
3748         to implement lfloor and llfloor built-ins as x87 intrinsic function.
3749         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
3750         (lfloor<mode>2): New expanders.
3751         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
3752         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
3753         to implement lceil and llceil built-ins as x87 intrinsic function.
3754         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
3755         (lceil<mode>2): New expanders.
3756
3757 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
3758
3759         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
3760         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
3761
3762 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
3763
3764         PR target/20927
3765         * config/s390/s390-modes.def: Define TFmode.
3766
3767 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
3768
3769         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
3770         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3771         * config/mips/mips.c (mips16_insn_length): Remove reference to
3772         JUMP_TABLES_IN_TEXT_SECTION.
3773
3774 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
3775
3776         * simplify-rtx.c (simplify_binary_operation_1): Return
3777         scalar or vector of constant 0, depending on the xor's
3778         mode.
3779
3780 2005-04-13  Dale Johannesen  <dalej@apple.com>
3781
3782         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
3783         (objc-act.o):  Ditto.
3784         * objc/objc-act.c (objc_gimplify_expr):  New.
3785         (objc_get_callee_fndecl):  New.
3786         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
3787         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
3788         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
3789
3790 2005-04-13  Devang Patel  <dpatel@apple.com>
3791
3792         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
3793         temp variables.
3794
3795 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
3796
3797         CRIS prologue as RTL.
3798         * config/cris/cris-protos.h (cris_emit_movem_store)
3799         (cris_expand_prologue): Prototype.
3800         * config/cris/cris.c (struct machine_function): New member
3801         stdarg_regs.
3802         (cfa_label_num, cris_target_asm_function_prologue): Remove.
3803         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
3804         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
3805         (cris_load_multiple_op, cris_return_address_on_stack)
3806         (cris_return_address_on_stack_for_return): ISO-Cify.
3807         (cris_store_multiple_op): New predicate function.
3808         (cris_expand_prologue, cris_emit_movem_store): New functions.
3809         (cris_print_operand) <case 'O'>: Handle modifications other than
3810         post-increment.
3811         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
3812         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
3813         (cris_gen_movem_load): Rearrange slightly to make local variable
3814         src a parameter, removing osrc.
3815         (cris_setup_incoming_varargs): Set machine_function member
3816         stdarg_regs to correspond to the number of registers that need to
3817         be saved.
3818         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
3819         CRIS_UNSPEC_GOT.
3820         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
3821         cris_general_operand_or_gotless_symbol accept UNSPEC.
3822         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
3823         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
3824         ("*cris_store_multiple"): New pattern.  Tweak common comment above
3825         this and "*cris_load_multiple".
3826         ("prologue"): New define_expand.
3827
3828         * config/cris/cris.md ("epilogue"): Conditionalize on
3829         TARGET_PROLOGUE_EPILOGUE.
3830
3831 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
3832
3833         PR target/20924
3834         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
3835         fpsr 0 instead of fpsr 1.
3836         (divsf3_internal_thr): Ditto.
3837         (divdf3_internal_lat): Ditto.
3838         (divdf3_internal_thr): Ditto.
3839         (divxf3_internal_lat): Ditto.
3840         (divxf3_internal_thr): Ditto.
3841
3842 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3843
3844         PR tree-optimization/20913
3845         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
3846
3847         PR tree-optimization/20702
3848         * tree-vrp.c (maybe_add_assert_expr): Recurse into
3849         dominator children that haven't been walked into.
3850
3851 2005-04-13  Julian Brown  <julian@codesourcery.com>
3852
3853         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
3854         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
3855         is true.
3856
3857 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3858
3859         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
3860         config/i386/sse.md: Fix comment typos.
3861
3862         * genattrtab.c (NULL_ATTR): Remove.
3863         * ifcvt.c (NULL_EDGE): Likewise.
3864
3865         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
3866
3867         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
3868         NOTE_PREDICT): Remove.
3869
3870 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3871
3872         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
3873         * configure: Regenerate.
3874         * config.in: Likewise.
3875         * system.h: Declare vsnprintf if not already declared.
3876
3877 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3878
3879         * optc-gen.awk: Handle stand-alone Mask records.
3880         * opth-gen.awk: Likewise.
3881         * doc/options.texi (Option file format): Document them.
3882         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
3883         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
3884         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
3885         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
3886         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
3887         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
3888         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
3889         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
3890         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
3891         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
3892         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
3893         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
3894         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
3895         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
3896         TARGET_LONG_DOUBLE_128): Likewise.
3897         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
3898         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
3899         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
3900         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
3901         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
3902         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
3903         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
3904         * config/sparc/sparc.c (fpu_option_set): New global.
3905         (sparc_handle_option): New function.
3906         (sparc_override_options): Test fpu_option_set.
3907         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
3908         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
3909         * config/sparc/sparc.opt: New file.
3910         * config/sparc/little-endian.opt: Likewise.
3911         * config/sparc/long-double-switch.opt: Likewise.
3912
3913 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
3914
3915         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
3916         (bfin_handle_options): Set it if -mshared-library-id= is seen.
3917         * config/bfin/bfin.opt (mshared-library-id=): Lose
3918         Var(bfin_lib_id_given).
3919
3920 2005-04-13  Matt Thomas  <matt@3am-software.com>
3921
3922         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
3923         defining.
3924
3925 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3926
3927         * rtl.h (CLEAR_RTX_FLAGS): Remove.
3928
3929         * cgraphunit.c (INSNS_PER_CALL): Remove.
3930
3931         * tree-ssa-forwprop.c (vars,
3932         record_single_argument_cond_exprs,
3933         substitute_single_use_vars): Remove.
3934         (forward_propagate_into_cond_1, forward_propagate_into_cond):
3935         New.
3936         (tree_ssa_forward_propagate_single_use_vars): Call
3937         forward_propagate_into_cond for each COND_EXPR.
3938
3939         * tree-inline.c (INSNS_PER_STMT): Remove.
3940
3941 2005-04-12  Richard Henderson  <rth@redhat.com>
3942
3943         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
3944         (ix86_expand_sse_fp_minmax): ... from ...
3945         (ix86_expand_fp_movcc): ... here.
3946         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
3947         * config/i386/i386-protos.h: Update.
3948         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
3949         (sse_setccsf, sse_setccdf): Allow before reload.
3950         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
3951         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
3952         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
3953         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
3954         (anddf3, nanddf3, iordf3, xordf3): New.
3955
3956 2005-04-12  Jeff Law  <law@redhat.com>
3957
3958         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
3959         (tree-ssa-uncprop.o): Add dependencies.
3960         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
3961         * tree-flow.h (remove_useless_stmts): Remove prototype.
3962         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3963         remove_useless_stmts.
3964         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
3965         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
3966         * tree-pass.h (pass_uncprop): Declare.
3967         * tree-ssa-uncprop.c: New file.
3968
3969 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
3970
3971         PR target/20670
3972         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
3973
3974 2005-04-12  Caroline Tice  <ctice@apple.com>
3975
3976         Temporary fix for partitioning problems.
3977         * passes.c (rest_of_handle_final): Remove code that
3978         frees unlikely_text_section_name,
3979         * varasm.c (assemble_start_function): Test for partitioning
3980         flag before writing out section labels.
3981         (assemble_end_function): Test for partitioning flag before
3982         writing out section labels.
3983
3984 2005-04-12  Steven Bosscher  <stevenb@suse.de>
3985             Stuart Hastings <stuart@apple.com>
3986             Jan Hubicka  <jh@suse.cz>
3987
3988         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
3989         references to gt-tree-cfg.h.
3990         * basic-block.h (struct basic_block_def): Don't skip rbi
3991         for garbage collection.
3992         (struct reorder_block_def): Make GTY-able.
3993         (struct control_flow_graph): New structure.
3994         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
3995         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
3996         but instead defines to the control_flow_graph for cfun.
3997         (label_to_block_map): New define, points to the label map of
3998         the control_flow_graph for cfun.
3999         (n_edges_for_function, n_basic_blocks_for_function,
4000         last_basic_block_for_function, basic_block_info_for_function,
4001         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
4002         basic_block_info_for_function, label_to_block_map_for_function):
4003         Counterparts for the above, taking a struct function as an extra
4004         argument.
4005         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
4006         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
4007         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
4008         (alloc_rbi_pool, free_rbi_pool): Remove.
4009         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
4010         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
4011         here...
4012         (cfg_layout_finalize) ... and don't free it here.
4013         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
4014         garbage collected.
4015         * flow.c (free_basic_block_vars): Set label_to_block_map and
4016         n_edges to zero too.
4017         * function.h (struct function): Add cfg field.
4018         * function.c (allocate_struct_function): Allocate the cfg.
4019         * tree-cfg.c (label_to_block_map): Remove.
4020         (build_tree_cfg): Don't allocate the rbi pool here...
4021         (delete_tree_cfg_annotations): ...and don't free it here.
4022         Also don't nullify label_to_block_map for cfun.
4023
4024 2005-04-12  Caroline Tice  <ctice@apple.com>
4025
4026         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
4027         Revert my patch from April 9.
4028         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
4029         (reorder_basic_blocks): Revert my patch from April 9.
4030         (insert_section_boundary_note): Revert my patch from April 9.
4031         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
4032         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
4033         (COLD_END_LABEL):  Revert my patch from April 9.
4034         (cold_text_section_label):  Revert my patch from April 9.
4035         (cold_end_label): Revert my patch from April 9.
4036         (dwarf2out_switch_text_section): Revert my patch from April 9.
4037         (output_aranges): Revert my patch from April 9.
4038         (output_ranges):  Revert my patch from April 9.
4039         (output_line_info): Revert my patch from April 9.
4040         (add_location_or_const_value_attribute):  Revert my patch from April 9.
4041         (dwarf2out_var_location): Revert my patch from April 9.
4042         (dwarf2out_init):  Revert my patch from April 9.
4043         (dwarf2out_finish): Revert my patch from April 9.
4044         * function.h (struct function): Revert my patch from April 9.
4045         * opts.c (decode_options): Revert my patch from April 9.
4046         * output.h (unlikely_section_label, hot_section_label,
4047         hot_section_end_label, cold_section_end_label,
4048         unlikely_text_section_name): Revert my patch from April 9.
4049         * passes.c (rest_of_handle_final): Revert my patch from April 9.
4050         * varasm.c (unlikely_section_label, hot_section_label,
4051         hot_section_end_label, cold_section_end_label,
4052         unlikely_text_section_name): Revert my patch from April 9.
4053         (initialize_cold_section_name): Revert my patch from April 9.
4054         (unlikely_text_section): Revert my patch from April 9.
4055         (in_unlikely_text_section): Revert my patch from April 9.
4056         (named_section): Revert my patch from April 9.
4057         (function_section): Revert my patch from April 9.
4058         (current_function_section): Revert my patch from April 9.
4059         (assemble_start_function): Revert my patch from April 9.
4060         (assemble_end_function): Revert my patch from April 9.
4061         (default_section_type_flags_1): Revert my patch from April 9.
4062
4063 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4064
4065         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
4066         * config/sparc/sparc.md (untyped_call): Save the registers manually.
4067
4068         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
4069
4070 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
4071
4072         PR middle-end/20917
4073         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
4074         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
4075
4076 2004-04-12  Richard Henderson  <rth@redhat.com>
4077
4078         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
4079         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
4080         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
4081         (UNSPEC_*, UNSPECV_*): Renumber.
4082
4083 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
4084
4085         PR mudflap/19266
4086         From Richard Henderson <rth@redhat.com>:
4087         * tree-mudflap.c (mf_build_check_statement_for): Correct block
4088         splitting logic.
4089
4090 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
4091
4092         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
4093
4094 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
4095
4096         * config/bfin/bfin.c (bfin_library_id_string): Remove.
4097         (bfin_library_id): New variable.
4098         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
4099         instead of bfin_library_id_string.
4100         (bfin_handle_option): New function.
4101         (override_options): Remove most code to deal with shared library IDs,
4102         just check they aren't used without -mid-shared-library.
4103         (TARGET_HANDLE_OPTION): Define.
4104         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
4105         * config/bfin/bfin.opt (mshared-library-id=): New.
4106
4107 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
4108
4109         * tree-vect-transform.c: Fix comment typos.
4110
4111 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
4112
4113         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
4114         split critical edges when not possible/profitable.
4115
4116 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
4117
4118         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
4119         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
4120         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
4121         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
4122         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
4123         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
4124         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
4125         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
4126         MASK_NO_BITFIELD.
4127         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
4128         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4129         * config/ns32k/ns32k.opt: New file.
4130
4131 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
4132
4133         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
4134         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
4135         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
4136         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
4137         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
4138         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
4139         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
4140         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
4141         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
4142         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
4143         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
4144         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
4145         (MASK_COLDFIRE): Formatting fixes.
4146         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
4147         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
4148         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
4149         "_current_shared_library_a5_offset_".
4150         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4151         (MASK_ALL_CPU_BITS): New macro.
4152         (m68k_handle_option): New function.
4153         (override_options): Remove handling of m68k_library_id_string.
4154         * config/m68k/m68k.opt: New file.
4155         * config/m68k/ieee.opt: New file.
4156
4157 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
4158
4159         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4160         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
4161         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4162         (TARGET_CXX): Adjust accordingly.
4163         * target.h (struct gcc_target): Remove epxort_class_data.  Add
4164         determine_class_data_visibility and class_data_always_comdat.
4165         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4166         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
4167         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4168         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
4169         (arm_cxx_determine_class_data_visibility): New.
4170         (arm_cxx_class_data_always_comdat): Likewise.
4171         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4172         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
4173         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4174         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
4175         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
4176         Define.
4177
4178 2005-04-11  Devang Patel  <dpatel@apple.com>
4179
4180         * tree-data-ref.c (build_classic_dist_vector,
4181         compute_subscript_distance): Make externally visible.
4182         * tree-data-ref.h (build_classic_dist_vector,
4183         compute_subscript_distance): Same.
4184         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
4185         Check distance vector against vectorization factor.
4186         (vect_analyze_loop): Determine vectorizaion factor before
4187         analyzing data dependences.
4188         * tree-vectorizer.c (loops_num): Make it externally visible and
4189         rename ...
4190         * tree-vectorizer.c (vect_loops_num): ... new name.
4191         * tree-vectorizer.h  (vect_loops_num): New.
4192
4193 2005-04-11  Devang Patel  <dpatel@apple.com>
4194
4195         * tree-vect-analyze.c (vect_analyze_operations): Check
4196         vectorizable codition.
4197         * tree-vect-transform.c (vect_is_simple_cond): New function.
4198         (vectorizable_condition): New function.
4199         (vect_transform_stmt): Handle condition_vec_info_type.
4200         * tree-vectorizer.h (enum stmt_vec_info_type): Add
4201         condition_vec_info_type.
4202         (vectorizable_condition): New.
4203
4204 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
4205
4206         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
4207         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
4208         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
4209
4210         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
4211         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
4212
4213         * dwarf2out.c (output_line_info): Don't try to dereference
4214         a NULL current_function_decl.
4215
4216         * config/t-slibgcc-darwin: Don't put shared libraries in
4217         directories other than $(slibdir).
4218         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
4219         OS uses for it.
4220
4221 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
4222
4223         PR tree-optimization/20933
4224         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
4225         logic to reject aliases between read-only and writable
4226         variables ...
4227         (may_alias_p): ... here.
4228         (get_tmt_for): Do not associate read-only tags to pointers
4229         whose pointed-to type is not read-only.
4230         * tree-ssa.c (verify_ssa): Check that memory stores have at
4231         least one V_MAY_DEF or V_MUST_DEF.
4232
4233 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4234
4235         PR/17092
4236         * configure.ac (gcc_UNLOCKED_FUNCS): New.
4237         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
4238         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
4239         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
4240         _unlocked function.
4241         (fwrite_unlocked): Fix prototype.
4242
4243         * configure, config.in: Regenerate.
4244
4245 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
4246
4247         * tree-ssa-loop-im.c: Include real.h.
4248         (determine_invariantness_stmt): If real division divisor is
4249         invariant and flag_unsafe_math_optimizations enabled, generate
4250         invariant reciprocal for hoisting.
4251         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
4252
4253 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
4254
4255         Fix PR tree-optimization/20926
4256
4257         * tree-ssa-alias.c (add_type_alias): Handle subvars.
4258
4259 2005-04-11  Devang Patel  <dpatel@apple.com>
4260
4261         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
4262         operand ordering.
4263
4264 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
4265
4266         * fold-const.c (fold_binary_op_with_conditional_arg):
4267         use fold_buildN instead of "fold (buildN" in some
4268         non obvious places.
4269         (fold_unary): Likewise.
4270         (fold_binary): Likewise.
4271
4272 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
4273
4274         Fix PR tree-optimization/20612
4275         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
4276         handling
4277         (perfect_nestify): preheaderbb is *not* part of loop of the
4278         old destination.
4279
4280 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
4281
4282         * tree-ssa-alias.c (may_alias_p): If the variable
4283         is a global variable and the pointer is parameter
4284         and -fargument-noalias-global is used, then
4285         the pointer cannot alias the variable.
4286
4287 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
4288
4289         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
4290         * config/sparc/sparc.h: Likewise.
4291         * config/sparc/sparc.md: Likewise.
4292
4293 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
4294
4295         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
4296
4297         * tree-vrp.c: Fix a comment typo.
4298
4299 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
4300
4301         PR tree-optimization/20920
4302         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
4303         SSA_NAME flows through an abnormal edge.
4304         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
4305         through abnormal edges.
4306         (maybe_add_assert_expr): Likewise.
4307
4308 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
4309
4310         * config/s390/s390.h (s390_tune_string, s390_arch_string)
4311         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
4312         (s390_stack_size_string, s390_stack_guard_string, target_flags)
4313         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
4314         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
4315         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
4316         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
4317         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
4318         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
4319         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
4320         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
4321         (TARGET_HANDLE_OPTION): Likewise.
4322         (s390_tune): Initialize to PROCESSOR_max.
4323         (s390_arch_string): Make static.
4324         (s390_tune_string, s390_warn_framesize_string): Delete.
4325         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
4326         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
4327         (s390_handle_arch_option, s390_handle_option): New functions.
4328         (override_options): Remove parsing of option strings.
4329         * config/s390/s390.opt: New file.
4330
4331 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
4332
4333         * tree-complex.c (expand_vector_operations): Call
4334         update_stmt_if_modified.
4335
4336 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
4337
4338         * tree-vect-analyze (vect_determine_vectorization_factor):
4339         Do not use GET_MODE_NUNITS.
4340         * tree-vect-transform.c (vect_get_vec_def_for_operand,
4341         (vectorizable_load, vect_transform_loop): Likewise.
4342
4343 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
4344
4345         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
4346         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
4347         * optabs.h (enum optab_index): Add new OTI_lceil.
4348         (lceil_optab): Define corresponding macro.
4349         * optabs.c (init_optabs): Initialize lceil_optab.
4350         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
4351         and lceildi2 patterns.
4352         * builtins.c (expand_builtin_int_roundingfn): Handle
4353         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
4354         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
4355         BUILT_IN_LLCEIL{,F,L}.
4356         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
4357         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
4358         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
4359         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
4360         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
4361         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
4362         into lceil built-in function and (long long int)ceil{,f,l} into
4363         llceil built-in function.
4364         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
4365         BUILT_IN_LLCEIL.
4366
4367 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4368
4369         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
4370         zero.
4371
4372 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
4373
4374         * config/arm/arm.c: Fix a comment typo.
4375         * doc/tree-ssa.texi: Fix a typo.
4376
4377 2005-04-10  Steven Bosscher  <stevenb@suse.de>
4378
4379         * cselib.c (clear_table): Rename to cselib_clear_table.
4380         * cselib.h (cselib_clear_table): Add prototype.
4381         * gcse.c (gcse_main): Make 'f' argument unused.
4382         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
4383         of each basic block instead.
4384         (compute_sets, compute_hash_table_work): Likewise.
4385         (constprop_register): Change int 'alter_jumps' argument to bool.
4386         (do_local_cprop): Likewise.
4387         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
4388         the insn chain.  Explicitly clear the cselib tables after finishing
4389         one basic block.  Make sure there are no unterminated libcall blocks.
4390         Update compute_sets call.
4391         (cprop): Walk basic blocks instead of the insn chain.
4392         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
4393         Likewise.
4394         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
4395         one_cprop_pass calls.
4396
4397 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
4398
4399         * combine.c (combine_simplify_rtx): Remove a transformation that
4400         relies on an invalid assumption about rtl sign-extension semantics.
4401
4402 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
4403
4404         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
4405         to build_int_cst_wide.
4406
4407 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
4408
4409         PR target/20126
4410         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
4411         set the original address pseudo to the correct value before the
4412         original insn, if possible, and leave the insn alone, otherwise
4413         create a new pseudo, set it and replace it in the insn.
4414         * recog.c (validate_change_maybe_volatile): New.
4415         * recog.h (validate_change_maybe_volatile): Declare.
4416
4417 2005-04-09  Caroline Tice  <ctice@apple.com>
4418
4419         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
4420         Remove targetm.have_named_sections test.
4421         (fix_edges_for_rarely_executed_code): Likewise.
4422         (insert_section_boundary_note): Likewise.
4423         (reorder_basic_blocks): Check partitioning flag before calling
4424         verify_hot_cold_block_grouping.
4425         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
4426         the function struct rather than global variables.
4427         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
4428         (COLD_END_LABEL): Likewise
4429         (cold_text_section_label): New static global variable.
4430         (cold_end_label): Likewise.
4431         (dwarf2out_switch_text_section): Get hot/cold section labels from
4432         the function struct rather than global variables.
4433         (output_aranges): Use cold_text_section_label and cold_end_label;
4434         check partitioning flag before putting out delta.
4435         (output_ranges): Remove incorrect code attempting to use
4436         hot/cold labels.
4437         (output_line_info): Get cold section label from function struct.
4438         (add_location_or_const_value_attribute): Likewise.
4439         (get_subprogram_die): Get hot/cold section labels from function struct.
4440         (dwarf2out_var_location): Likewise.
4441         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
4442         write out cold_text_section_label if partition flag is set.
4443         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
4444         * function.h (struct function): Add new fields to point to hot/cold
4445         section labels: hot_section_label, cold_section_label,
4446         hot_section_end_label and cold_section_end_label; also add new field
4447         for cold text section name, unlikely_text_section_name.
4448         * opts.c (decode_options): Turn off partitioning flag if
4449         !targetm.have_named_sections.
4450         * output.h (hot_section_label): Remove.
4451         (hot_section_end_label): Remove.
4452         (cold_section_end_label): Remove.
4453         (unlikely_section_label): Remove.
4454         (unlikely_text_section_name): Remove.
4455         * passes.c (rest_of_handle_final):  Remove code that frees
4456         unlikely_text_section_name.
4457         * varasm.c (unlikely_section_label): Remove.
4458         (hot_section_label): Remove.
4459         (hot_section_end_label): Remove.
4460         (cold_section_end_label): Remove.
4461         (unlikely_text_section_name):  Remove.
4462         (initialize_cold_section_name): Modify to call
4463         targetm.strip_name_encoding; to store cold section name in current
4464         function struct, if it exists; and to only use the decl_section_name
4465         if flag_named_sections is true.
4466         (unlikely_text_section): Modify to get section name out of current
4467         function struct, if there is one; otherwise build it from
4468         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
4469         (in_unlikely_text_section): Likewise.
4470         (named_section): Modify to get/put cold section name in current function
4471         struct, if there is one.
4472         (function_section):  Change 'bool unlikely' to 'int reloc'; check
4473         targetm.have_named_sections before calling named_section.
4474         (current_function_section): Likewise.
4475         (assemble_start_function): Modify to get/put unlikely_text_section_name
4476         in current function struct; modify to get hot/cold section labels
4477         from function struct; initialize labels using
4478         ASM_GENERATE_INTERNAL_LABEL;
4479         test partitioning flag before writing out hot section label.
4480         (assemble_end_function): Test partitioning flag before writing out
4481         hot/cold section labels.
4482         (default_section_type_flags_1):  Modify to use array instead of
4483          char* for unlikely_text_section_name; set flags correctly for
4484          cold text section if there is not a current function decl.
4485
4486 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
4487
4488         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
4489         and TI_VA_LIST_FPR_COUNTER_FIELD.
4490         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
4491         * tree-pass.h (pass_stdarg): Add.
4492         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
4493         * tree-stdarg.c: New file.
4494         * tree-stdarg.h: New file.
4495         * Makefile.in (OBJS-common): Add tree-stdarg.o.
4496         (tree-stdarg.o): Add dependencies.
4497         * function.h (struct function): Add va_list_gpr_size and
4498         va_list_fpr_size fields.
4499         * function.c (allocate_struct_function): Initialize them.
4500         * target.h (struct gcc_target): Add stdarg_optimize_hook.
4501         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
4502         (TARGET_INITIALIZER): Add it.
4503
4504         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
4505         va_list_{g,f}pr_counter_field.
4506         (ix86_setup_incoming_varargs): Don't do anything if reg_save
4507         area will not be used.  Only save registers that tree-stdarg.c
4508         detected they need saving.
4509         (ix86_va_start): Don't set up fields that won't be used.
4510
4511         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
4512         va_list_{g,f}pr_counter_field.
4513         (setup_incoming_varargs): Don't do anything if reg_save
4514         area will not be used.  Only save registers that tree-stdarg.c
4515         detected they need saving.
4516         (rs6000_va_start): Don't set up fields that won't be used.
4517
4518         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
4519         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
4520         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
4521         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
4522
4523 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
4524
4525         PR target/20795
4526         * config/i386/i386.c (construct_container): Pass empty aligned
4527         struct, union or class in memory.
4528
4529 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
4530
4531         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
4532         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
4533         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
4534         config/rs6000/predicates.md: Fix comment typos.
4535
4536         * sched-int.h (haifa_insn_data): Remove blockage and units.
4537         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
4538         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
4539         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
4540
4541 2005-04-09  Jan Hubicka  <jh@suse.cz>
4542             Steven Bosscher  <stevenb@suse.de>
4543
4544         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
4545         * cfgloop.c (get_loop_exit_edges): Likewise.
4546         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
4547         (unloop): Likewise.
4548         * loop-unroll.c (analyze_insns_in_loop): Likewise.
4549         * tree-cfg.c (dump_cfg_status): Likewise.
4550
4551 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
4552
4553         * config/rs6000/predicates.md (altivec_register_operand): Remove
4554         redundant match_code test.
4555         (gpc_reg_operand): Same.
4556         (cc_reg_operand): Same.
4557         (cc_reg_not_cr0_operand): Same.
4558
4559 2005-04-09  Jan Hubicka  <jh@suse.cz>
4560
4561         Forgotten hunk from my last merge patch:
4562         * final.c (output_addr_const): Do not call mark_referenced.
4563
4564 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
4565
4566         * doc/tree-ssa.texi: Add immediate use documentation.
4567
4568 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
4569
4570         * arm.c (FL_WBUF): Define.
4571         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
4572         (arm_is_6_or_7): Delete.
4573         (arm_tune_wbuf): New.
4574         (arm_override_options): Set arm_tune_wbuf.
4575         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
4576         (arm_is_6_or_7): Delete declaration.
4577         (arm_tune_wbuf): New declartion.
4578         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
4579         (model_wbuf): Derive from arm_tune_wbuf.
4580         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
4581         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
4582         (arm740t): Mark CPUs as having a write buffer.
4583
4584 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
4585
4586         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
4587         of 'const_double_operand' in operand 2 constraints.  Update enable
4588         condition.
4589
4590 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
4591
4592         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
4593         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
4594         * optabs.h (enum optab_index): Add new OTI_lfloor.
4595         (lfloor_optab): Define corresponding macro.
4596         * optabs.c (init_optabs): Initialize lfloor_optab.
4597         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
4598         and lfloordi2 patterns.
4599         * builtins.c (expand_builtin_int_roundingfn): New prototype.
4600         (expand_builtin_int_roundingfn): New function.
4601         (fold_builtin_int_roundingfn): New prototype.
4602         (fold_builtin_int_roundingfn): New function, renamed from
4603         fold_builtin_lround.
4604         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
4605         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
4606         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
4607         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
4608         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
4609         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
4610         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
4611         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
4612         into lfloor built-in function and (long long int)floor{,f,l} into
4613         llfloor built-in function.
4614         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
4615         BUILT_IN_LLFLOOR.
4616
4617 2005-04-08  Ian Lance Taylor  <ian@airs.com>
4618
4619         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
4620         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
4621         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
4622         (DO_COND, DO_BODY): Likewise.
4623         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
4624         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
4625         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
4626         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
4627         (build_continue_stmt, build_break_stmt): Don't declare.
4628         (c_do_switch_warnings): Update declaration.
4629         * c-gimplify.c (enum bc_t): Remove.
4630         (struct c_gimplify_ctx, ctxp): Remove.
4631         (push_context, pop_context): Remove static functions.
4632         (c_genericize): Don't call push_context or pop_context.
4633         (begin_bc_block, finish_bc_block): Remove static functions.
4634         (build_bc_goto): Likewise.
4635         (gimplify_c_loop): Likewise.
4636         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
4637         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
4638         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
4639         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
4640         * c-common.c (c_do_switch_warnings): Rename from
4641         c_do_switch_warnings_1.
4642         (c_do_switch_warnings) [old version]: Remove.
4643         (c_do_switch_expr_warnings): Remove.
4644         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
4645         function instead of c_do_switch_expr_warnings.
4646         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
4647         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
4648         * c-pretty-print.c (pp_c_statement): Likewise.
4649         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
4650
4651 2005-04-08  Devang Patel  <dpatel@apple.com>
4652
4653         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
4654         While selecting replacement condition pay attention to loop header.
4655
4656 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
4657
4658         Merge from tree-cleanup-branch: VRP, store CCP, store
4659             copy-prop, incremental SSA updating of FUD chains and
4660             newly exposed symbols.
4661
4662         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
4663         (OBJS-common): Add tree-vrp.o.
4664         (tree-vrp.o): New rule.
4665         * basic-block.h (nearest_common_dominator_for_set): Declare.
4666         * common.opt (ftree-store-ccp): New flag.
4667         (ftree-copy-prop): New flag.
4668         (ftree-vrp): New flag.
4669         (ftree-store-copy-prop): New flag.
4670         * dominance.c (nearest_common_dominator_for_set): New.
4671         * domwalk.c (walk_dominator_tree): Only traverse
4672         statements in blocks marked in walk_data->interesting_blocks.
4673         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
4674         * fold-const.c (fold): Handle ASSERT_EXPR.
4675         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
4676         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
4677         flag_tree_vrp at -O2.
4678         * timevar.def (TV_TREE_VRP): Define.
4679         (TV_TREE_COPY_PROP): Define.
4680         (TV_TREE_STORE_COPY_PROP): Define.
4681         (TV_TREE_SSA_INCREMENTAL): Define.
4682         (TV_TREE_STORE_CCP): Define.
4683         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
4684         to kill_redundant_phi_nodes from comment.
4685         (verify_expr): Handle ASSERT_EXPR.
4686         * tree-dfa.c (mark_new_vars_to_rename): Remove second
4687         argument.  Update all users.
4688         (mark_call_clobbered_vars_to_rename): Remove.  Update all
4689         users.
4690         * tree-flow-inline.h (unmodifiable_var_p): New.
4691         * tree-flow.h (enum value_range_type): Declare.
4692         (struct value_range_def): Declare.
4693         (value_range): Declare.
4694         (remove_all_phi_nodes_for): Remove.  Update all users.
4695         (find_phi_node_for): Declare.
4696         (add_type_alias): Declare.
4697         (count_uses_and_derefs): Declare.
4698         (kill_redundant_phi_nodes): Remove.
4699         (rewrite_into_ssa): Remove.
4700         (rewrite_def_def_chains): Remove.
4701         (update_ssa, register_new_name_mapping, create_new_def_for,
4702         need_ssa_update_p, name_registered_for_update_p,
4703         release_ssa_name_after_update_ssa, dump_repl_tbl,
4704         debug_repl_tbl, dump_names_replaced_by,
4705         debug_names_replaced_by, mark_sym_for_renaming,
4706         mark_set_for_renaming, get_current_def, set_current_def,
4707         get_value_range, dump_value_range, debug_value_range,
4708         dump_all_value_ranges, debug_all_value_ranges,
4709         expr_computes_nonzero, loop_depth_of_name,
4710         unmodifiable_var_p): Declare.
4711         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
4712         ASSERT_EXPR.
4713         * tree-into-ssa.c (block_defs_stack): Update comment.
4714         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
4715         syms_to_rename, names_to_release, repl_tbl,
4716         need_to_initialize_update_ssa_p, need_to_update_vops_p,
4717         need_to_replace_names_p): New locals.
4718         (NAME_SETS_GROWTH_FACTOR): Define.
4719         (struct repl_map_d): Declare.
4720         (struct mark_def_sites_global_data): Add field
4721         interesting_blocks.
4722         (enum rewrite_mode): Declare.
4723         (REGISTER_DEFS_IN_THIS_STMT): Define.
4724         (compute_global_livein): Use last_basic_block instead of
4725         n_basic_blocks.
4726         (set_def_block): Remove last argument.  Update all callers.
4727         (prepare_use_operand_for_rename): Remove.  Update all callers.
4728         (prepare_def_operand_for_rename): Remove.  Update all callers.
4729         (symbol_marked_for_renaming): New.
4730         (is_old_name): New.
4731         (is_new_name): New.
4732         (repl_map_hash): New.
4733         (repl_map_eq): New.
4734         (repl_map_free): New.
4735         (names_replaced_by): New.
4736         (add_to_repl_tbl): New.
4737         (add_new_name_mapping): New.
4738         (mark_def_sites): Assume that all the operands in the
4739         statement are in normal form.
4740         (find_idf): Assert that the block in the stack is valid.
4741         (get_default_def_for): New.
4742         (insert_phi_nodes_for): Add new argument 'update_p'.
4743         Add documentation.
4744         If update_p is true, add a new mapping between the LHS of
4745         each new PHI and the name that it replaces.
4746         (insert_phi_nodes_1): Only call find_idf if needed.
4747         (get_reaching_def): Call get_default_def_for.
4748         (rewrite_operand): Remove.
4749         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
4750         and REWRITE_THIS_STMT are false.
4751         Assume that all the operands in the statement are in
4752         normal form.
4753         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
4754         (rewrite_virtual_phi_arguments): Remove.
4755         (invalidate_name_tags): Remove.
4756         (register_new_update_single, register_new_update_set,
4757         rewrite_update_init_block, replace_use,
4758         rewrite_update_fini_block, rewrite_update_stmt,
4759         rewrite_update_phi_arguments): New.
4760         rewrite_blocks): Remove argument 'fix_virtual_phis'.
4761         Add arguments 'entry', 'what' and 'blocks'.
4762         Initialize the dominator walker according to 'what' and
4763         'blocks'.
4764         Start the dominator walk at 'entry'.
4765         (mark_def_site_blocks): Add argument 'interesting_blocks'.
4766         Use it to configure the dominator walker.
4767         (rewrite_into_ssa): Remove argument 'all'.
4768         Make internal.
4769         (rewrite_all_into_ssa): Remove.
4770         (rewrite_def_def_chains): Remove.
4771         (mark_def_interesting, mark_use_interesting,
4772         prepare_phi_args_for_update, prepare_block_for_update,
4773         prepare_def_site_for, prepare_def_sites,
4774         dump_names_replaced_by, debug_names_replaced_by,
4775         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
4776         delete_update_ssa, create_new_def_for,
4777         register_new_name_mapping, mark_sym_for_renaming,
4778         mark_set_for_renaming, need_ssa_update_p,
4779         name_registered_for_update_p, ssa_names_to_replace,
4780         release_ssa_name_after_update_ssa,
4781         insert_updated_phi_nodes_for, update_ssa): New.
4782         * tree-loop-linear.c (linear_transform_loops): Call
4783         update_ssa instead of rewrite_into_ssa.
4784         * tree-optimize.c (vars_to_rename): Remove.
4785         Update all users.
4786         (init_tree_optimization_passes): Replace
4787         pass_redundant_phi with pass_copy_prop.
4788         Add pass_vrp.
4789         Replace pass_ccp with pass_store_ccp.
4790         Add pass_store_copy_prop after pass_store_ccp.
4791         (execute_todo): If the TODO_ flags don't include updating
4792         the SSA form, assert that it does not need to be updated.
4793         Call update_ssa instead of rewrite_into_ssa and
4794         rewrite_def_def_chains.
4795         If TODO_verify_loops is set, call verify_loop_closed_ssa.
4796         (tree_rest_of_compilation):
4797         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
4798         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
4799         TODO_cleanup_cfg): Renumber.
4800         (TODO_verify_loops, TODO_update_ssa,
4801         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
4802         TODO_update_ssa_only_virtuals): Define.
4803         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
4804         Declare.
4805         * tree-phinodes.c (make_phi_node): Update documentation.
4806         (remove_all_phi_nodes_for): Remove.
4807         (find_phi_node_for): New.
4808         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
4809         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
4810         (interpret_rhs_modify_expr): Likewise.
4811         * tree-sra.c (decide_instantiations): Mark all symbols in
4812         SRA_CANDIDATES for renaming.
4813         (mark_all_v_defs_1): Rename from mark_all_v_defs.
4814         (mark_all_v_defs): New function.  Update all users to call it
4815         with the whole list of scalarized statements, not just the
4816         first one.
4817         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
4818         (compute_flow_insensitive_aliasing): If the tag is
4819         unmodifiable and the variable isn't or vice-versa, don't
4820         make them alias of each other.
4821         (setup_pointers_and_addressables): If the type tag for
4822         VAR is about to change, mark the old one for renaming.
4823         (add_type_alias): New.
4824         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
4825         (ccp_lattice_t): Rename from latticevalue.
4826         (value): Remove.  Update all users.
4827         (const_val): New local variable.
4828         (do_store_ccp): New local variable.
4829         (dump_lattice_value): Handle UNINITIALIZED.
4830         (debug_lattice_value): New.
4831         (get_default_value): Re-write.
4832         (set_lattice_value): Re-write.
4833         (def_to_varying): Remove.  Update all users.
4834         (likely_value): Return VARYING for statements that make
4835         stores when STORE_CCP is false.
4836         Return VARYING for any statement other than MODIFY_EXPR,
4837         COND_EXPR and SWITCH_EXPR.
4838         (ccp_initialize): Re-write.
4839         (replace_uses_in, replace_vuse_in, substitute_and_fold):
4840         Move to tree-ssa-propagate.c.
4841         (ccp_lattice_meet): Handle memory stores when
4842         DO_STORE_CCP is true.
4843         (ccp_visit_phi_node): Likewise.
4844         (ccp_fold): Likewise.
4845         (evaluate_stmt): Likewise.
4846         (visit_assignment): Likewise.
4847         (ccp_visit_stmt): Likewise.
4848         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
4849         into DO_STORE_CCP.
4850         (do_ssa_ccp): New.
4851         (pass_ccp): Use it.
4852         (do_ssa_store_ccp): New.
4853         (gate_store_ccp): New.
4854         (pass_store_ccp): Declare.
4855         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
4856         (may_propagate_copy): Reformat.
4857         Don't abort if ORIG is a virtual and DEST isn't.
4858         If NEW does not have alias information but DEST does,
4859         copy it.
4860         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
4861         copy_prop_kind, which_copy_prop): Declare.
4862         (stmt_may_generate_copy, get_copy_of_val,
4863         get_last_copy_of, set_copy_of_val, dump_copy_of,
4864         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
4865         copy_prop_visit_stmt, copy_prop_visit_phi_node,
4866         init_copy_prop, fini_copy_prop, execute_copy_prop,
4867         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
4868         store_copy_prop): New.
4869         (pass_copy_prop, pass_store_copy_prop): Declare.
4870         * tree-ssa-dom.c (struct opt_stats_d): Add fields
4871         'num_const_prop' and 'num_copy_prop'.
4872         (cprop_operand): Update them.
4873         (dump_dominator_optimization_stats): Dump them.
4874         (tree_ssa_dominator_optimize): Call update_ssa instead of
4875         rewrite_into_ssa.
4876         (loop_depth_of_name): Declare extern.
4877         (simplify_cond_and_lookup_avail_expr): Guard against NULL
4878         values for LOW or HIGH.
4879         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
4880         (record_equivalences_from_stmt): Call expr_computes_nonzero.
4881         (cprop_operand): Only propagate if VAL != OP.
4882         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
4883         statement for renaming.
4884         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
4885         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
4886         add_type_alias if necessary.
4887         Call mark_new_vars_to_rename.
4888         (tree_ssa_iv_optimize): If new symbols need to be renamed,
4889         mark every statement updated, call update_ssa and
4890         rewrite_into_loop_closed_ssa.
4891         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
4892         from LIVEIN if VAR is a virtual.
4893         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
4894         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
4895         (get_call_expr_operands): Reformat statement.
4896         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
4897         symbols.
4898         * tree-ssa-propagate.c (ssa_prop_init): Initialize
4899         SSA_NAME_VALUE for every name.
4900         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
4901         get_value_loaded_by): New.
4902         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
4903         substitute_and_fold): Move from tree-ssa-ccp.c.
4904         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
4905         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
4906         get_value_loaded_by, replace_uses_in, substitute_and_fold):
4907         Declare.
4908         * tree-ssa.c (verify_use): Fix error message.
4909         (propagate_into_addr, replace_immediate_uses, get_eq_name,
4910         check_phi_redundancy, kill_redundant_phi_nodes,
4911         pass_redundant_phi): Remove.  Update all users.
4912         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4913         add_type_alias, if necessary.
4914         * tree-vectorizer.h (struct _stmt_vect_info): Update
4915         documentation for field 'memtag'.
4916         * tree-vrp.c: New file.
4917         * tree.def (ASSERT_EXPR): Define.
4918         * tree.h (ASSERT_EXPR_VAR): Define.
4919         (ASSERT_EXPR_COND): Define.
4920         (SSA_NAME_VALUE_RANGE): Define.
4921         (struct tree_ssa_name): Add field 'value_range'.
4922         (PHI_REWRITTEN): Remove.
4923         (struct tree_phi_node): Remove field 'rewritten'.
4924         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
4925         -ftree-store-copy-prop): Document.
4926         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
4927         Document usage of update_ssa.
4928
4929 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
4930
4931         PR target/20814
4932         * config/rs6000/predicates.md (altivec_register_operand): Accept
4933         SUBREG.
4934         (and64_operand): Do not limit CONST_INT to mask64_operand.
4935         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
4936         (and_operand): Do not limit CONST_INT to mask_operand.
4937
4938 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
4939
4940         PR rtl-optimization/20466
4941         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
4942         for overlap of the address of each list member.
4943         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
4944
4945 2005-04-08  Mike Stump  <mrs@apple.com>
4946
4947         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
4948
4949         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
4950         instead of 4.
4951
4952 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
4953
4954         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
4955
4956         * function.c (push_function_context_to): Don't set
4957         contains_functions.
4958         * function.h (function): Remove contains_functions.
4959         (current_function_contains_functions): Remove.
4960
4961         * function.h (function): Remove instrument_entry_exit.
4962         (current_function_instrument_entry_exit): Remove.
4963
4964         * function.h (nonlocal_labels): Remove.
4965
4966         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
4967
4968         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
4969         (check_attr_value, write_attr_get, write_expr_attr_cache,
4970         find_attr, make_internal_attr): Don't reference negative_ok or
4971         unsigned_p.
4972         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
4973         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
4974         (ATTR_STATIC): Adjust the value.
4975
4976         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
4977
4978 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
4979
4980         * config/s390/tpf.h (ASM_SPEC): Define.
4981
4982 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
4983
4984         * tree-flow.h: Remove the prototype for
4985         redirect_immediate_uses.
4986         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
4987
4988 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
4989
4990         * arm.c (arm_const_double_by_parts): New function.
4991         * arm-protos.h (arm_const_double_by_parts): Add prototype.
4992         * arm.md (define_split for 64-bit constants): Add another one.
4993
4994 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
4995
4996         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
4997
4998 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4999
5000         * system.h: Revert last change.
5001
5002 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
5003
5004         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
5005         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
5006         (TARGET_SWITCHES): Delete.
5007         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
5008         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
5009         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
5010         * config/xtensa/xtensa.opt: New file.
5011
5012 2005-04-08  Ben Elliston  <bje@au.ibm.com>
5013
5014         * config/fp-bit.c: Include L_mul_tf in #endif comment.
5015         * config/fp-bit.h: Tidy comments.
5016
5017 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5018
5019         * system.h: Poison PARAMS.
5020
5021 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
5022
5023         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
5024         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
5025         (TARGET_SWITCHES): Delete.
5026         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
5027         * config/vax/vax.opt: New file.
5028
5029 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
5030
5031         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
5032
5033 2005-04-07  Ian Lance Taylor  <ian@airs.com>
5034
5035         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
5036         define.
5037         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
5038         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
5039         Likewise.
5040
5041 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
5042
5043         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
5044         all immediate uses in PHI nodes.
5045
5046 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
5047
5048         * arm.c (arm_const_double_inline_cost): Handle any constant by
5049         using gen_lowpart and gen_highpart_mode.
5050         (note_invalid_constants): All constants in an RTX with a constraint
5051         that permits memory are now pushed to the constant pool.
5052         (output_move_double): Delete code to handle reg to reg and
5053         constant to reg moves.
5054         (const_double_needs_minipool, output_mov_immediate): Delete.
5055         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
5056         CONST_INT and CONST_VECTOR.
5057         * arm.md (ANY64): New mode macro.
5058         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
5059         (movdf_soft_insn): Split reg-reg and const-reg moves.
5060         (split patterns for 64-bit constant and register moves): New.
5061         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
5062         (cirrus_movdf_hard_insn): Likewise.
5063         * fpa.md (movdf_fpa): Likewise.
5064         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
5065         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
5066         constraints.
5067         (movv2si_internal_2): Likewise.
5068         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
5069         (movdf_vfp): Likewise.
5070         * arm-protos.h (output_mov_immediate): Delete prototype.
5071
5072 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
5073
5074         PR target/20093
5075         * simplify-rtx.c (simplify_unary_operation_1): Check
5076         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
5077
5078 2005-04-06  James E Wilson  <wilson@specifixinc.com>
5079
5080         PR target/20717
5081         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
5082         ADDR_EXPR.
5083
5084 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
5085
5086         * coverage.h (GCOV_TYPE_NODE): Delete.
5087         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
5088         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
5089         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
5090         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
5091         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
5092
5093 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
5094
5095         PR other/20792
5096         * Makefile.in (gcc.pot): Remove options.c dependency.
5097         * optc-gen.awk: Don't quote help strings with N_().
5098
5099 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
5100
5101         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
5102         the function returns a pointer type.
5103
5104 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
5105
5106         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
5107         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
5108         * doc/invoke.texi: Documnet salias-max-implicit-fields.
5109         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
5110         explicit_uses members.
5111         (get_or_create_used_part_for): Initialize new fields.
5112         (fieldoff_compare): New function.
5113         (create_overlap_variables_for): Count number of fields, use
5114         heuristic to determine whether to create subvars for vars with
5115         only implicit uses.
5116         Sort the field list by offset and avoid creating duplicate SFT's.
5117
5118 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
5119
5120         * c.opt (-F): Remove trailing whitespace from help string.
5121         (-finput-charset): Use a tab to separate the switch name and help
5122         string.
5123         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
5124         (-ftree-vectorizer-verbose): Likewise.
5125
5126 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
5127
5128         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
5129         a PHI argument where a use occurs instead of all PHI arguments.
5130
5131 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
5132
5133         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
5134         scope.
5135
5136 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
5137
5138         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
5139         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
5140         config/bfin/bfin.h: Fix comment typos.
5141
5142 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
5143
5144         * doc/install.texi: Update the URL for Jacks.
5145         * doc/sourcebuild.texi: Likewise.
5146
5147 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
5148
5149         PR target/17245
5150         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
5151         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
5152
5153 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
5154
5155         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
5156
5157 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
5158
5159         * config/v850/v850-protos.h (override_options): Delete.
5160         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
5161         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
5162         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
5163         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
5164         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
5165         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
5166         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
5167         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
5168         (OVERRIDE_OPTIONS): Delete.
5169         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
5170         (small_memory_info): Remove the value field.
5171         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
5172         TARGET_NO_APP_REGS.
5173         * config/v850/v850.c (small_memory): Remove the value field.
5174         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5175         (override_options): Delete.
5176         (v850_handle_memory_option, v850_handle_option): New functions.
5177         * config/v850/v850.opt: New file.
5178
5179 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
5180
5181         * config.host: Add a section for generic hosts, and a subsection
5182         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
5183         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
5184         * config/host-darwin.h: New.
5185         * config/x-darwin: New.
5186         * config/i386/host-i386-darwin.c: New.
5187         * config/i386/x-darwin: New.
5188         * config/rs6000/host-darwin.c: Include host-darwin.h.
5189         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
5190         (darwin_rs6000_gt_pch_use_address): Likewise.
5191         * config/rs6000/x-darwin: Change name of .o built, update
5192         dependencies for changes to rs6000/host-darwin.c.
5193
5194 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
5195
5196         PR target/17824
5197         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
5198
5199 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
5200
5201         * tree-vect-analyze.c (vect_analyze_loop_form): Call
5202         split_loop_exit_edge instead of loop_split_edge_with.
5203
5204 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
5205
5206         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
5207         UNSPEC_SET_VSCR): New constants, used throughout.
5208         (*andc3_v4sf): New.
5209         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
5210         Replace with...
5211         (altivec_vspltis<VI_char>): ... this pattern, using
5212         a QImode const_int_operand for the immediate.
5213         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
5214         define_expands.
5215
5216 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
5217
5218         PR target/17822
5219         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
5220
5221 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
5222
5223         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
5224
5225 2005-04-06  Ben Elliston  <bje@au.ibm.com>
5226
5227         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
5228         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
5229         macros as living in "this file" and not gcc.h.
5230
5231 2005-04-06  Ben Elliston  <bje@au.ibm.com>
5232
5233         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
5234         -ftree-live_range_split.  Perhaps renamed at some point?
5235
5236 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
5237
5238         PR target/20625
5239         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
5240         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
5241
5242 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
5243
5244         * tree-flow.h (number_of_iterations_cond): Declaration removed.
5245         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
5246         (number_of_iterations_special): New function.
5247         (number_of_iterations_exit): Use number_of_iterations_special.
5248         Use simplify_using_outer_evolutions only at -O3.
5249         (number_of_iterations_cond, tree_simplify_using_condition,
5250         simplify_using_initial_conditions, loop_niter_by_eval,
5251         compare_trees, can_count_iv_in_wider_type_bound,
5252         simplify_using_outer_evolutions): Use fold_build.
5253
5254 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
5255
5256         * doc/install.texi (Configuration): Document --with-java-home.
5257
5258 2005-04-05  Richard Henderson  <rth@redhat.com>
5259
5260         PR target/20342
5261         PR target/20447
5262         * config/i386/i386.c (print_operand): Handle vector zeros.
5263         (ix86_split_to_parts): Handle CONST_VECTOR.
5264         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
5265         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
5266         what modes to tie for MMX and SSE registers.
5267         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
5268         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
5269         to vector modes as well.
5270         * config/i386/predicates.md (const0_operand): Handle VOIDmode
5271         properly as an input mode.
5272
5273 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
5274
5275         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
5276
5277 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
5278
5279         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
5280
5281 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
5282
5283         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
5284         and local functions, set sse_nregs to 8 and float_in_sse.
5285         (function_arg_advance, function_arg): If float_in_sse, pass
5286         SFmode and DFmode arguments in SSE registers.
5287         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
5288
5289         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
5290         of -funit-at-a-time.
5291
5292 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
5293
5294         * config/i386/i386-protos.h (ix86_function_value): Accept two
5295         arguments, like the target macro.
5296         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
5297         * config/i386/i386.c (ix86_function_value): Accept the second
5298         argument of the target macro.
5299         (ix86_function_ok_for_sibcall): Pass a function pointer to
5300         ix86_function_value.
5301         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
5302         call to ix86_value_regno).
5303         (ix86_value_regno): Add support for returning floating point values
5304         in SSE registers.
5305
5306 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
5307
5308         PR tree-optimization/20076
5309         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
5310         that call __builtin_return or __builtin_apply_args.
5311
5312 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
5313
5314         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
5315         Use immediate use iterator.
5316         (stmt_is_bumper_for_loop): Use immediate use iterator.
5317         * predict.c (strip_builtin_expect): Use update_stmt.
5318         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
5319         on all elements of a STATEMENT_LIST.
5320         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
5321         (bsi_remove): Remove imm_use links and mark the stmt as modified.
5322         (bsi_replace): Mark stmt as modified and the update it.
5323         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
5324         (expand_complex_libcal): Call update_stmt.
5325         (expand_complex_comparison): Call mark_stmt_modified.
5326         (expand_complex_operations_1): Call update_stmt_if_modified.
5327         (expand_vector_operations_1): Call mark_stmt_modified.
5328         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
5329         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
5330         add_immediate_use, redirect_immediate_use,
5331         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
5332         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
5333         (mark_new_vars_to_rename): Call update_stmt.
5334         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
5335         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
5336         Ignore PHI nodes.
5337         (unmodify_stmt): Delete.
5338         (update_stmt): New.  Force an update of a stmt.
5339         (update_stmt_if_modified): update a stmt if it is out of date.
5340         (get_stmt_operands): Verify stmt is NOT modified.
5341         (stmt_modified_p): Update comment.
5342         (delink_imm_use): Remove a use node from its immuse list.
5343         (link_imm_use_to_list): Link a use node to a specific list.
5344         (link_imm_use): Link a node to the correct list.
5345         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
5346         it in the correct list, if appropriate.
5347         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
5348         (relink_imm_use): Link a use node in place of another node in a list.
5349         (relink_imm_use_stmt): LInk a node in place of another node, and set
5350         the stmt pointer.
5351         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
5352         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
5353         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
5354         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
5355         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
5356         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
5357         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
5358         (has_zero_uses): New.  Return true if there are no uses of a var.
5359         (has_single_use): New.  Return true if there is only a single use of a
5360         variable.
5361         (single_imm_use): New.  Return the simgle immediate use.
5362         (num_imm_uses): New.  Return the number of immediate uses.
5363         (get_v_must_def_ops): Use is now a pointer.
5364         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
5365         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
5366         the use node.
5367         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
5368         (delink_stmt_imm_use): Delink all immuses from a stmt.
5369         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
5370         * tree-flow.h (struct dataflow_d): Delete.
5371         (immediate_use_iterator_d): New.  Immediate use iterator struct.
5372         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
5373         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
5374         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
5375         iteration.
5376         (struct stmt_ann_d): Remove dataflow_t from struct.
5377         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
5378         (if_convertible_phi_p): Use FAST immuse iterator.
5379         (if_convertible_loop_p): Don't call compute_immediate_uses.
5380         (replace_phi_with_cond_modify_expr): Call update_stmt.
5381         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
5382         update_stmt_if_modified.
5383         (rewrite_all_into_ssa): Initialize ssa operands.
5384         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
5385         compute_immediate_uses.
5386         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
5387         ssa_property is available.
5388         (execute_one_pass):  Change parameters passed to execute_todo.
5389         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
5390         (remove_ssa_form): Call fini_ssa_operands.
5391         (insert_backedge_copies): Delete call to modify_stmt.
5392         * tree-phinodes.c (make_phi_node): Initialize use nodes.
5393         (release_phi_node): Delink any use nodes before releasing.
5394         (resize_phi_node): Relink any use nodes.
5395         (remove_phi_arg_num): Delink the use node.
5396         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
5397         (remove_all_phi_nodes_for): Release phi node first.
5398         * tree-pretty-print.c (dump_generic_node): Print stmt address.
5399         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
5400         (scalarize_use, scalarize_copy): Call update_stmt.
5401         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
5402         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
5403         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
5404         (ccp_initialize): Remove call to compute_immediate_uses.
5405         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
5406         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
5407         stmts.
5408         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
5409         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
5410         (eliminate_redundant_computations): Call mark_stmt_modified.
5411         (cprop_operand): Call mark_stmt_modified.
5412         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
5413         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
5414         (dse_optimize_stmt): Use new immuse interface.
5415         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
5416         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
5417         (substitute_single_use_vars): Use new immuse interface.
5418         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
5419         and compute_immediate_uses.
5420         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
5421         interface.
5422         (rewrite_mem_refs): Call update_stmt.
5423         (determine_lsm): Remove call to compute_imm_uses and free_df.
5424         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
5425         (try_unroll_loop_completely): Call update_stmt.
5426         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
5427         (rewrite_use_compare): Call update_stmt.
5428         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
5429         (rewrite_use) : Call update_stmt.
5430         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
5431         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
5432         update_stmt.
5433         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
5434         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
5435         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
5436         use nodes.
5437         (initialize_vuse_operand): New.  Initialize a vuse operand.
5438         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
5439         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
5440         (finalize_ssa_defs): Use stmt parameter.
5441         (correct_use_link): Ensure a use node is in the correct list, and has
5442         the correct stmt pointer.
5443         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
5444         finalize_ssa_v_must_defs): Also initialize use nodes.
5445         (finalize_ssa_stmt_operands): Pass extra stmt operands.
5446         (build_ssa_operands): Seperate parsing from final operand construction.
5447         (parse_ssa_operands): New.  Parse entry point for operand building.
5448         (swap_tree_operands): New.  Swap 2 tree operands.
5449         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
5450         operands.
5451         (get_expr_operands): Call swap_tree_operands when needed.
5452         (copy_virtual_operands): Use initialize routines for virtual use ops.
5453         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
5454         (verify_abort): New.  Issue imm_use error.
5455         (verify_imm_links): New Verify imm_use links for a var.
5456         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
5457         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
5458         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
5459         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
5460         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
5461         (NULL_USE_OPERAND_P) Define.
5462         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
5463         use node.
5464         (struct vuse_operand_type): New struct.
5465         (SET_USE): Call set_ssa_use_from_ptr.
5466         (USE_STMT): Define.
5467         (PHI_ARG_INDEX_FROM_USE): Define.
5468         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
5469         argument via SET_USE, not PHI_ARG_DEF_TREE.
5470         * tree-ssa-pre.c (eliminate): Call update_stmt.
5471         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
5472         call free_df.
5473         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
5474         (nearest_common_dominator_of_uses): Use imm_use iterator.
5475         (statement_sink_location): Use imm_use iterator and interface.
5476         (execute_sink_code): Don't call compute_immediate_uses or free-df.
5477         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
5478         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
5479         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
5480         (verify_ssa): Ensure no stmt is marked modify after optimization pass
5481         if new parameter is true.
5482         (init_tree_ssa): Don't initialize operand cache here.
5483         (delete_tree_ssa): Don't destroy operand cache here.
5484         (propagate_into_addr): Pass in a use pointer, return true if anything
5485         was changed.
5486         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
5487         (check_phi_redundancy): Use imm_use iterator.
5488         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
5489         free_df.
5490         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
5491         (release_ssa_name): Delink node and all elements in its imm_use list.
5492         * tree-tailcall.c (adjust_return_value): Call update_stmt.
5493         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
5494         * tree-vectorizer.c (need_imm_uses_for): Delete.
5495         (vectorize_loops): Dont call compute_immediate_uses or free_df.
5496         * tree.h (struct ssa_imm_use_d): Define.
5497         (SSA_NAME_IMM_USE_NODE): Define.
5498         (struct tree_ssa_name): Add imm_use node.
5499         (PHI_DF): Delete.
5500         (PHI_ARG_IMM_USE_NODE): Define.
5501         (struct phi_arg_d): Add imm_use node.
5502         (struct tree_phi_node): Remove struct dataflow_d element.
5503         (TDF_STMTADDR): Define.
5504
5505 2005-04-05  Dale Johannesen  <dalej@apple.com>
5506
5507         * doc/invoke.texi (Optimization Options):  Remove
5508         duplicate -fcse-follow-jumps.  Add -fweb.
5509         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
5510         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
5511
5512 2005-04-05  Per Bothner  <per@bothner.com>
5513
5514         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
5515         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
5516         (warn_uninit): Get EXPR_LOCUS from context now instead.
5517         This fixes a USE_MAPPED_LOCATION testsuite failure.
5518
5519         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
5520
5521 2005-04-05  Per Bothner  <per@bothner.com>
5522
5523         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
5524         of the artification 'return 0' in main() to BUILTINS_LOCATION.
5525         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
5526         before warning.
5527
5528 2004-04-05  Devang Patel  <dpatel@apple.com>
5529
5530         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
5531         (lhsr<mode>3): ... new name.
5532         (altivec_vsra<VI_char>): Rename to ..
5533         (ashr<mode>3): ... new name.
5534         * config/rs6000/rs6000.c (builtin_description): Rename shift
5535         operations.
5536
5537 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
5538
5539         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
5540         gen_lowpart_for_combine.
5541         * cse.c (gen_lowpart_if_possible): Move...
5542         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
5543         gen_lowpart_SUBREG.
5544         (gen_lowpart_no_emit_general): Use it.
5545
5546 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
5547
5548         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
5549         overriding.
5550
5551 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
5552
5553         * system.h: Fix typo.
5554
5555 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5556
5557         * config/bfin/bfin-modes.def: New file.
5558         * config/bfin/bfin-protos.h: New file.
5559         * config/bfin/bfin.c: New file.
5560         * config/bfin/bfin.h: New file.
5561         * config/bfin/bfin.md: New file.
5562         * config/bfin/bfin.opt: New file.
5563         * config/bfin/crti.s: New file.
5564         * config/bfin/crtn.s: New file.
5565         * config/bfin/elf.h: New file.
5566         * config/bfin/lib1funcs.asm: New file.
5567         * config/bfin/predicates.md: New file.
5568         * config/bfin/t-bfin: New file.
5569         * config/bfin/t-bfin-elf: New file.
5570         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
5571         Document new attributes.
5572         (interrupt, interrupt_handler, saveall): Update documentation for
5573         these attributes.
5574         * doc/install.texi (Specific): Add entry for the Blackfin.
5575         * doc/invoke.texi (Blackfin Options): New section.
5576         * doc/md.texi (Blackfin family): New section to document constraints.
5577         * config.gcc: Add bfin*-* and bfin*-elf configurations.
5578
5579 2005-04-05  Olivier Hainque  <hainque@adacore.com>
5580
5581         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
5582         match what the system unwinder expects.
5583         * config/mips/mips.c (mips_frame_set): If we're saving the return
5584         address register and the dwarf return address column number differs
5585         from the hard register number, adjust the note reg to refer to the
5586         former.
5587
5588 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
5589
5590         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
5591         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
5592         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
5593         (processor_type): New enum.
5594         (mn10300_processor): New variable.
5595         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
5596         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
5597         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
5598         (PROCESSOR_DEFAULT): New macro.
5599         * config/mn10300/mn10300.c (mn10300_processor): New variable.
5600         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5601         (mn10300_handle_option, mn10300_override_options): New functions.
5602         * config/mn10300/mn10300.opt: New file.
5603
5604 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
5605             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
5606
5607         PR tree-optimization/19903
5608         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
5609         that don't fit in their type after conversion.
5610
5611 2005-04-05  Uros Bizjak <uros@kss-loka.si>
5612
5613         PR target/20421
5614         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
5615         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
5616         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
5617         flag here. Implement using define_insn_and_split.
5618         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
5619         (frndintxf2_mask_pm_i387): New insn patterns.
5620         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
5621         Do not set ix86_optimize_mode_switching flag.
5622         (ceilsf2, ceildf2, ceilxf2): Same.
5623         (btruncsf2, btruncdf2, btruncxf2): Same.
5624         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
5625
5626 2005-04-05  Ian Lance Taylor  <ian@airs.com>
5627
5628         PR debug/9963
5629         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
5630         i386_pe_record_external_function.
5631         (i386_pe_record_external_function): Update declaration.
5632         * config/i386/winnt.c (struct extern_list): Add decl field.
5633         (i386_pe_record_external_function): Add decl parameter.
5634         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
5635         identifier.
5636         * config/i386/i386-protos.h (i386_pe_record_external_function):
5637         Update declaration.
5638
5639 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
5640
5641         * config/m68k/m68k-protos.h: Add a prototype for
5642         valid_dbcc_comparison_p_2.
5643         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
5644         extend_operator, const_uint32_operand, const_sint32_operand,
5645         general_src_operand, nonimmediate_src_operand,
5646         memory_src_operand, post_inc_operand, pre_dec_operand,
5647         pcrel_address): Move to predicates to predicates.md.
5648         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
5649         * config/m68k/m68k.md: Include predicates.md.
5650         * config/m68k/predicates.md: New.
5651
5652 2005-04-04  Roger Sayle  <roger@eyesopen.com>
5653
5654         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
5655
5656         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
5657
5658 2005-04-04  Ian Lance Taylor  <ian@airs.com>
5659
5660         * c-typeck.c (struct c_switch): Rename switch_stmt field to
5661         switch_expr.
5662         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
5663         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
5664         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
5665         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
5666         * c-common.c (c_do_switch_warnings_1): New static function broken
5667         out of c_do_switch_warnings.
5668         (c_do_switch_warnings): Call c_do_switch_warnings_1.
5669         (c_do_switch_expr_warnings): New function.
5670         * c-common.h (c_do_switch_expr_warnings): Declare.
5671
5672 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
5673             Daniel Jacobowitz  <dan@codesourcery.com>
5674
5675         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
5676         trapping divide.
5677         * rtlanal.c (may_trap_p): Same.
5678
5679 2005-04-04  Dale Johannesen  <dalej@apple.com>
5680
5681         * ChangeLog:  remove reference to ChangeLog.12.
5682
5683 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
5684
5685         CRIS epilogue as RTL.
5686         * config/cris/cris.md: Change all 0 in unspec 0 to
5687         CRIS_UNSPEC_PLT.
5688         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
5689         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
5690         patterns.
5691         ("return"): Change to define_expand.  Call cris_expand_return for
5692         actual expansion.
5693         ("*return_expanded"): New pattern.
5694         ("epilogue"): New define_expand.
5695         * config/cris/cris.h (PREDICATE_CODES): Add
5696         cris_load_multiple_op.
5697         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
5698         type.
5699         (enum cris_retinsn_type): New.
5700         (struct machine_function): New member return_type.
5701         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
5702         (cris_target_asm_function_epilogue): Remove, moving RTLified
5703         contents to...
5704         (cris_expand_epilogue): New function.
5705         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
5706         (cris_gen_movem_load, cris_load_multiple_op)
5707         (cris_return_address_on_stack_for_return, cris_expand_return): New
5708         functions.
5709         (cris_target_asm_function_prologue)
5710         (cris_initial_frame_pointer_offset): Call
5711         cris_reg_saved_in_regsave_area instead of complicated expression.
5712         Call cris_return_address_on_stack instead of an expression.
5713         (cris_print_operand) <case 'o', case 'O'>: New cases.
5714         (cris_return_address_on_stack): Change return-type to bool.
5715         (cris_simple_epilogue): Ditto.  Return false if registers are
5716         saved.
5717         * config/cris/cris-protos.h (cris_simple_epilogue)
5718         (cris_return_address_on_stack): Adjust prototype return type.
5719         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
5720         (cris_return_address_on_stack_for_return): New prototypes.
5721
5722 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
5723
5724         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
5725         gpr_or_int12_operand.
5726
5727         * config/frv/frv-protos.h: Add a prototype to
5728         frv_legitimate_memory_operand and frv_const_unspec_p.
5729         (frv_unspec): Move from frv.c.
5730         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
5731         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
5732         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
5733         gpr_or_fpr_operand, gpr_or_int12_operand,
5734         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
5735         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
5736         int6_operand, int5_operand, uint5_operand, uint4_operand,
5737         uint1_operand, int_2word_operand, uint16_operand,
5738         upper_int16_operand, integer_register_operand,
5739         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
5740         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
5741         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
5742         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
5743         move_destination_operand, movcc_fp_destination_operand,
5744         frv_function_symbol_referenced_p, move_source_operand,
5745         condexec_dest_operand, condexec_source_operand,
5746         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
5747         const_unspec_operand, gpr_or_memory_operand,
5748         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
5749         icc_operand, fcc_operand, cc_operand, icr_operand,
5750         fcr_operand, cr_operand, call_operand, sibcall_operand,
5751         symbolic_operand, relational_operator,
5752         integer_relational_operator, float_relational_operator,
5753         ccr_eqne_operator, minmax_operator,
5754         condexec_si_binary_operator, condexec_si_media_operator,
5755         condexec_si_divide_operator, condexec_si_unary_operator,
5756         condexec_sf_conv_operator, condexec_sf_add_operator,
5757         condexec_memory_operand, intop_compare_operator, acc_operand,
5758         even_acc_operand, quad_acc_operand, accg_operand: Move to
5759         predicates.md.
5760         * config/frv/frv.h (PREDICATE_CODES): Remove.
5761         * config/frv/frv.md: Include predicates.md.
5762         * config/frv/predicates.md: New.
5763
5764 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
5765
5766         PR target/19537
5767         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
5768         * tree-ssa-loop-ivopts.c: Include langhooks.h.
5769         (add_standard_iv_candidates_for_size): New function, extracting code
5770         from add_standard_iv_candidates and parameterizing it by type size.
5771         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
5772
5773 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
5774
5775         * system.h (GCOV_SIZE_TYPE): Unposion.
5776         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
5777         (GCOV_TYPE_SIZE): ...this new macro.
5778         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
5779         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
5780         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
5781         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
5782         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
5783         instead of unsigned_intSI_type_node.
5784         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
5785         (rtl_gen_one_value_profiler_no_edge_manipulation)
5786         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
5787         * value-prof.c: Include coverage.h.
5788
5789 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
5790             Diego Novillo <dnovillo@redhat.com>
5791
5792         Fix PR tree-optimization/20703
5793         Fix PR tree-optimization/20725
5794
5795         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
5796         (create_expression_by_pieces): Ditto.
5797         (valid_in_set): Ditto. Also handle tcc_declaration.
5798         (find_or_generate_expression): Handle comparison class.
5799         (insert_into_preds_of_block): Ditto.
5800         (insert_aux): Ditto.
5801         (create_value_expr_from): Handle comparison class, recursively
5802         handle reference nodes.
5803         (compute_avail): Handle comparison classes, rewrite a little cleaner.
5804         (execute_pre): Fix spacing.
5805         (do_fre): Renamed to execute_fre.
5806
5807 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5808
5809         * doc/invoke.texi (SPARC options): Document that
5810         -mlittle-endian is not supported on Linux either.
5811
5812 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5813
5814         PR target/4198
5815         PR target/12027
5816         * config.gcc (Obsolete configurations): Remove
5817         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
5818         (sparclite-*-coff*): Delete.
5819         (sparclite-*-elf*): Likewise.
5820         (sparc86x-*-elf*): Likewise.
5821         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
5822         * config/sparc/lite.h: Delete.
5823         * config/sparc/litecoff.h: Likewise.
5824         * config/sparc/liteelf.h: Likewise.
5825         * config/sparc/sp86x-elf.h: Likewise.
5826         * config/sparc/t-sparclite: Likewise.
5827         * config/sparc/t-sp86x: Likewise.
5828
5829 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
5830
5831         * config/s390/s390-protos.h: (s390_comparison,
5832         s390_alc_comparison, s390_slb_comparison, const0_operand,
5833         consttable_operand, larl_operand, s_operand,
5834         shift_count_operand, bras_sym_operand, load_multiple_operation,
5835         store_multiple_operation, s390_plus_operand): Remove prototypes.
5836         (s390_legitimate_address_without_index_p): New prototype.
5837         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
5838         to s390.h.
5839         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
5840         const0_operand, consttable_operand, larl_operand, s_operand,
5841         shift_count_operand, bras_sym_operand, load_multiple_operation,
5842         store_multiple_operation, s390_plus_operand): Move to
5843         predicates.md.
5844         (check_mode): Remove.
5845         (s390_branch_condition_mask): Remove 'static'. Move prototype to
5846         s390-protos.h.
5847         (s390_legitimate_address_without_index_p): New.
5848         * config/s390/s390.h (PREDICATE_CODES): Remove.
5849         * config/s390/s390.md: Include predicates.md.
5850         * config/s390/predicates.md: New.
5851
5852 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5853
5854         PR target/20446
5855         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
5856         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
5857         (NEED_INDICATE_EXEC_STACK): Define to 1.
5858         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
5859         (NEED_INDICATE_EXEC_STACK): Define to 1.
5860         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
5861         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
5862         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
5863         (pic_helper_emitted_p): New global.
5864         (emit_pic_helper): New function extracted from...
5865         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
5866         Do not call emit_pic_helper if delay_pic_helper is true.
5867         (sparc_expand_prologue): Pass 'false' to load_pic_register.
5868         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
5869         (sparc_file_end): New function.
5870
5871 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
5872
5873         * config/mcore/mcore-protos.h: Remove the prototypes for
5874         mcore_arith_reg_operand, mcore_general_movsrc_operand,
5875         mcore_general_movdst_operand, mcore_reload_operand,
5876         mcore_arith_J_operand, mcore_arith_K_operand,
5877         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
5878         mcore_arith_K_S_operand, mcore_arith_imm_operand,
5879         mcore_arith_any_imm_operand, mcore_arith_O_operand,
5880         mcore_literal_K_operand, mcore_addsub_operand,
5881         mcore_compare_operand, mcore_load_multiple_operation,
5882         mcore_store_multiple_operation, mcore_call_address_operand.
5883         Add a prototype for const_ok_for_mcore.
5884         * config/mcore/mcore.c (mcore_call_address_operand,
5885         mcore_general_movsrc_operand, mcore_general_movdst_operand,
5886         mcore_arith_reg_operand, mcore_reload_operand,
5887         mcore_arith_J_operand, mcore_arith_K_operand,
5888         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
5889         mcore_arith_M_operand, mcore_arith_imm_operand,
5890         mcore_arith_any_imm_operand, mcore_arith_O_operand,
5891         mcore_literal_K_operand, mcore_addsub_operand,
5892         mcore_compare_operand, mcore_load_multiple_operation,
5893         mcore_store_multiple_operation): Move to predicates.md.
5894         (const_ok_for_mcore): Export.
5895         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
5896         * config/mcore/mcore.md: Include predicates.md.
5897         * config/mcore/predicates.md: New.
5898
5899         * config/mcore/predicates.md: Fix a comment typo.
5900
5901 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
5902             Adrian Straetling  <straetling@de.ibm.com>
5903
5904         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
5905         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
5906         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
5907         attribute.
5908         ("imul"): Removed from "type" attribute.
5909         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
5910         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
5911         Changed type to imulsi.
5912         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
5913
5914 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
5915
5916         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
5917         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
5918         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
5919         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
5920         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
5921         (TARGET_SWITCHES, mcore_stack_increment_string)
5922         (TARGET_OPTIONS): Delete.
5923         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
5924         than *_BIT constants.
5925         (TARGET_8ALIGN): #undef old definition before redefining to 1.
5926         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
5927         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
5928         (mcore_override_options): Delete mcore_stack_increment code.
5929         Change use of M340_BIT to MASK_M340.
5930         * config/mcore/mcore.opt: New file.
5931
5932 2005-04-04  Ian Lance Taylor  <ian@airs.com>
5933
5934         * config/arm/arm.c (replace_symbols_in_block): Remove static
5935         function.
5936
5937 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
5938
5939         * config/fr30/fr30-protos.h: Remove the prototypes for
5940         stack_add_operand, add_immediate_operand,
5941         high_register_operand, low_register_operand, call_operand,
5942         di_operand, and nonimmediate_di_operand.
5943         * config/fr30/fr30.c (stack_add_operand,
5944         add_immediate_operand, high_register_operand,
5945         low_register_operand, call_operand, di_operand,
5946         nonimmediate_di_operand): Move to predicates.md.
5947         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
5948         * config/fr30/fr30.md: Include predicates.md.
5949         * config/fr30/predicates.md: New.
5950
5951         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
5952         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
5953         mcore_call_address_operand.
5954
5955         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
5956         general_movsrc_operand.
5957
5958 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
5959
5960         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
5961         after freeing.
5962
5963 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
5964
5965         PR target/14812
5966         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
5967         a negated value.
5968
5969 2005-04-04  Richard Henderson  <rth@redhat.com>
5970             Jakub Jelinek  <jakub@redhat.com>
5971
5972         PR rtl-optimization/16104
5973         * fold-const.c (fold_unary): Fix folding of vector conversions.
5974
5975 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
5976
5977         * config.gcc (xstormy16-*-elf): Set extra_options.
5978         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
5979         * config/stormy16/stormy16.opt: New file.
5980
5981 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
5982
5983         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
5984         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
5985         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
5986         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
5987         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
5988         (TARGET_UNIX_ASM): Delete.
5989         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
5990         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
5991         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
5992         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5993         * config/pdp11/pdp11.opt: New file.
5994
5995 2005-04-03  Roger Sayle  <roger@eyesopen.com>
5996             Alexandre Oliva  <aoliva@redhat.com>
5997
5998         PR c++/19199
5999         * fold-const.c (non_lvalue): Split tests into...
6000         (maybe_lvalue_p): New function.
6001         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
6002         C++ front-end prior to lowering into gimple form.
6003
6004 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6005
6006         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
6007         BUILT_IN_STRNCASECMP): New.
6008         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
6009         and strndup.
6010
6011 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
6012
6013         PR target/14812
6014         * arm.md (addsi3_compare0_for_combiner): Delete.
6015         (addsi3_compare0_scratch_for_combiner): Delete.
6016         (cmpsi_neg_shiftsi): Delete.
6017         (compare_negsi_si): New pattern.
6018         (cmpsi_negshiftsi_si): New pattern.
6019         (negated_cbranchsi4): Restrict to equality_operator.
6020
6021         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
6022         template.
6023
6024 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
6025
6026         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
6027         Fix comment typos.
6028
6029         * doc/install.texi: Fix a typo.
6030
6031 2005-04-03  Steven Bosscher  <stevenb@suse.de>
6032
6033         PR middle-end/20648
6034         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
6035         a computed goto if the edge to the computed goto block has
6036         incoming abnormal edges.  Clarify how the function works.
6037
6038 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
6039
6040         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
6041         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
6042         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
6043         hash_scan_set, reg_set_between_after_reload_p,
6044         reg_used_between_after_reload_p, get_avail_load_store_reg,
6045         eliminate_partially_redundant_load): Likewise.
6046         * postreload.c (reload_cse_simplify_set,
6047         reload_combine_note_use): Likewise.
6048         * predict.c (predict_insn, expected_value_to_br_prob,
6049         propagate_freq, expensive_function_p): Likewise.
6050         * print-rtl.c (print_rtx): Likewise.
6051         * profile.c (instrument_edges, instrument_values,
6052         compute_branch_probabilities, branch_prob, union_groups,
6053         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
6054         * protoize.c (in_system_include_dir, file_could_be_converted,
6055         file_normally_convertible, gen_aux_info_file, seek_to_line,
6056         do_cleaning): Likewise.
6057         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
6058         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
6059         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
6060
6061 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
6062
6063         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
6064         * modulo-sched.c (undo_replace_buff_elem): New structure.
6065         (kernel_number_of_cycles, ps_unschedule_node,
6066         undo_generate_reg_moves,free_undo_replace_buff,
6067         undo_permute_partial_schedule,  loop_single_full_bb_p,
6068         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
6069         build_loops_structure, get_sched_window): New.
6070         (generate_reg_moves): Return undo_replace_buff_elem and other
6071         fixes.
6072         (generate_prolog_epilog): Remove old loop versioning.
6073         (sms_schedule): Use loop information and loop_version.
6074         (sms_schedule_by_order): Split part of it to get_sched_window.
6075         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
6076         cfg_layout_finalize and free_dominance_info before/after SMS.
6077
6078 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
6079
6080         * cfghooks.c (lv_flush_pending_stmts,
6081         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
6082         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
6083         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
6084         lv_add_condition_to_bb,
6085         lv_adjust_loop_header_phi, extract_cond_bb_edges,
6086         flush_pending_stmts): New in cfg_hooks structure.
6087         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
6088         extract_cond_bb_edges, lv_adjust_loop_header_phi,
6089         lv_add_condition_to_bb): New declarations.
6090         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
6091         bool.
6092         (loop_version): Declare.
6093         * cfgloopmanip.c (cfghooks.h): Include.
6094         (duplicate_loop_to_header_edge): Change return type to bool.
6095         (loop_version, lv_adjust_loop_entry_edge): Move here.
6096         * cfgrtl.c (cfgloop.h): Include.
6097         (rtl_verify_flow_info_1): Fix.
6098         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
6099         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
6100         initialization.
6101         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
6102         tree_lv_add_condition_to_bb): New.
6103         (tree_cfg_hooks): Add new hooks to initialization.
6104         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
6105         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
6106
6107 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
6108
6109         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
6110         xstormy16_below100_or_register,
6111         xstormy16_splittable_below100_or_register, and
6112         nonimmediate_nonstack_operand.
6113
6114         * config/stormy16/stormy16-protos.h: Remove the prototypes for
6115         xstormy16_ineqsi_operator, equality_operator,
6116         inequality_operator, shift_operator,
6117         xstormy16_below100_operand, xstormy16_below100_or_register,
6118         xstormy16_splittable_below100_or_register,
6119         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
6120         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
6121         equality_operator, inequality_operator,
6122         xstormy16_below100_operand, xstormy16_below100_or_register,
6123         xstormy16_splittable_below100_or_register,
6124         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
6125         nonimmediate_nonstack_operand, shift_operator): Move to
6126         predicates.md.
6127         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
6128         * config/stormy16/stormy16.md: Include predicates.md.
6129         * config/stormy16/predicates.md: New.
6130
6131 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
6132
6133         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
6134         small_int, large_int, reg_or_0_operand, simple_memory_operand,
6135         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
6136         move_operand, power_of_2_operand): Move to predicates.md.
6137         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
6138         PREDICATE_CODE): Remove.
6139         * config/iq2000/iq2000.md: Include predicates.md.
6140         * config/iq2000/predicates.md: New.
6141
6142 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
6143
6144         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
6145         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
6146         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
6147         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
6148         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
6149         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
6150         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
6151         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
6152         (TARGET_M68HC11): Delete.
6153         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
6154         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
6155         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
6156         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
6157         (nb_soft_regs): Delete.
6158         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
6159         (m68hc11_override_options): Remove the code that caters for MASK_M6811
6160         and MASK_M6812 being set simultaneously.  Change the code that sets
6161         the default m68hc11_soft_reg_count to use integers instead of strings.
6162         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
6163         m68hc11_soft_reg_count (which now has an int type) as the number
6164         of soft registers.
6165         * config/m68hc11/m68hc11.opt: New file.
6166
6167 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
6168
6169         * config/fr30/fr30.h (PREDICATE_CODES): Remove
6170         fp_displacement_operand, sp_displacement_operand.
6171
6172         * config/m68hc11/m68hc11-protos.h: Add a prototype for
6173         m68hcc_auto_inc_p.
6174         Remove the prototypes for tst_operand, cmp_operand,
6175         stack_register_operand, d_register_operand,
6176         hard_addr_reg_operand, splitable_operand,
6177         m68hc11_logical_operator, m68hc11_arith_operator,
6178         m68hc11_non_shift_operator, m68hc11_shift_operator,
6179         m68hc11_unary_operator, m68hc11_eq_compare_operator,
6180         non_push_operand, hard_reg_operand, and
6181         reg_or_some_mem_operand.
6182         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
6183         extern.
6184         (tst_operand, cmp_operand, non_push_operand,
6185         splitable_operand, reg_or_some_mem_operand,
6186         stack_register_operand, d_register_operand,
6187         hard_addr_reg_operand, hard_reg_operand,
6188         m68hc11_eq_compare_operator, m68hc11_logical_operator,
6189         m68hc11_arith_operator, m68hc11_non_shift_operator,
6190         m68hc11_shift_operator, m68hc11_unary_operator): Move to
6191         predicates.md.
6192         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
6193         * config/m68hc11/m68hc11.md: Include predicates.md.
6194         * config/m68hc11/predicates.md: New.
6195
6196 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6197
6198         PR debug/19345
6199         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
6200         change checked in along with 2005-03-03's patch for debug/20253.
6201         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
6202         (remap_decl): Insert type decl in map earlier.
6203
6204 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6205
6206         PR tree-optimization/20640
6207         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
6208         post-dominator if it has phi nodes.
6209         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
6210         before dead statements.
6211
6212 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6213
6214         PR middle-end/20491
6215         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
6216
6217 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6218
6219         PR rtl-optimization/20290
6220         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
6221         in every iteration if the entry point is the exit test.
6222
6223 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
6224
6225         * config/cris/cris.md (attribute "length"): Define.
6226
6227 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
6228
6229         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
6230         (word_offset_memref_operand): New.
6231         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
6232         (indexed_or_indirect_operand): Delete.
6233         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
6234         (indexed_or_indirect_operand): Delete.
6235
6236         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
6237
6238         PR 20650
6239         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
6240         a register.
6241
6242         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
6243         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
6244
6245 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6246
6247         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
6248
6249 2005-04-01  Ian Lance Taylor  <ian@airs.com>
6250
6251         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
6252         (rus, prus): Remove static variables.
6253         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
6254         (process_command): Permit report_times and use_pipes together.
6255
6256 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
6257
6258         * c-decl.c (validate_proto_after_old_defn): Look at
6259         TYPE_MAIN_VARIANT of argument types.
6260
6261 2005-04-01  Paul Brook  <paul@codesourcery.com>
6262
6263         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
6264         (arm_output_function_epilogue): Allow call_via_SP.
6265         (thumb_call_via_reg, arm_file_end): Ditto.
6266         * config/arm/arm.h (struct machine_function): Include space for SP.
6267         (thumb_call_via_label): Update declaration.
6268
6269 2005-04-01  Ian Lance Taylor  <ian@airs.com>
6270
6271         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
6272         doing a peephole optimization, once again put any notes in the
6273         proper position.
6274
6275 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6276
6277         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
6278
6279 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
6280
6281         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
6282         (block_alloc, find_free_reg): Likewise.
6283         * loop-doloop.c (doloop_modify): Likewise.
6284         * loop-invariant.c (record_use): Likewise.
6285         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
6286         get_iv_value, canon_condition, eliminate_implied_condition,
6287         eliminate_implied_condition, simplify_using_initial_values,
6288         shorten_into_mode, canonicalize_iv_subregs,
6289         iv_number_of_iterations): Likewise.
6290         * loop-unroll.c (expand_var_during_unrolling): Likewise.
6291         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
6292         unswitch_loop): Likewise.
6293         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
6294         move_movables, replace_call_address, find_and_verify_loops,
6295         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
6296         record_giv, final_giv_value, general_induction_var,
6297         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
6298         loop_giv_dump): Likewise.
6299
6300         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
6301         GCOV_CHECK_WRITING): Remove.
6302         (gcov_position, gcov_rewrite): Use gcc_assert.
6303         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
6304         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
6305         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
6306         gcc_assert.
6307
6308 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6309
6310         * tree-inline.c: Fix a typo.
6311
6312 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
6313
6314         * configure.ac (enable-checking): Explicitly set all variables for
6315         collective switch values.  Alphabetize variables. Rename
6316         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
6317         synonym for 'no'.
6318         * doc/install.texi (enable-checking): Update documentation.
6319         * configure: Rebuilt.
6320
6321 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6322
6323         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
6324         possible.
6325
6326 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
6327
6328         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
6329         Also reject cases where this pattern will cause load delay stalls
6330         unless optimizing for size and it will produce a shorter sequence.
6331         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
6332         variants to avoid pre-adjusting the base when possible.
6333
6334 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
6335
6336         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
6337         the frame and argument pointers.
6338         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
6339         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
6340         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
6341         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
6342         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
6343         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
6344
6345 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
6346
6347         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
6348         with entry for selectany attribute.
6349         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
6350         Declare.
6351         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
6352         (i386_pe_asm_named_section): Handle sections generated by
6353         selectany attribute.
6354         * doc/extend.texi (selectany): Document attribute.
6355
6356 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
6357             Jan Hubicka  <jh@suse.cz>
6358
6359         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
6360         to fix addresses involving EBP and ESP.
6361         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
6362         for SUBREGed registers.
6363         (legitimate_address_p): Accept SUBREGed registers.
6364
6365 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
6366
6367         PR c++/19406
6368         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
6369         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
6370         for FIELD_DECLs.
6371
6372 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6373
6374         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
6375
6376 2005-04-01  James E Wilson  <wilson@specifixinc.com>
6377
6378         PR c++/20505
6379         * dwarf2out.c (rtl_for_decl_init): New function.
6380         (rtl_for_decl_location): Extracted from here.
6381         (tree_add_const_value_attribute): Call rtl_for_decl_init and
6382         add_const_value_attribute.  Delete initializer_constant_valid_p call.
6383
6384 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6385
6386         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
6387         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
6388         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
6389         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
6390         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
6391         config/i386/i386.md, config/rs6000/predicates.md,
6392         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
6393         config/s390/s390.c, config/stormy16/stormy16.c,
6394         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
6395         typos.
6396
6397 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
6398
6399         PR c/17855
6400         * gimplify.c (gimplify_expr): Create a temporary for lvalue
6401         COND_EXPR and CALL_EXPR.
6402
6403 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
6404
6405         PR target/20632
6406         * genautomata.c (first_cycle_unit_presence): Check all alternative
6407         states for unit presence.
6408
6409         * doc/md.texi: Remove remark about impossibility to query unit
6410         presence in non nondeterministic automaton state.
6411
6412         * config/ia64/ia64.c (get_template): Change order of unit querying.
6413
6414 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6415
6416         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
6417         obsolete comment.
6418
6419 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
6420
6421         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
6422         flag for edges outside any loops.
6423
6424 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
6425
6426         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
6427
6428 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6429
6430         * tree-ssa-alias.c: Follow spelling conventions.
6431         * doc/tree-ssa.texi: Fix a typo.
6432
6433 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
6434
6435         * postreload-gcse.c: Include target.h.
6436         (gcse_after_reload_main): Return early if we cannot modify jumps.
6437         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
6438
6439 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
6440
6441         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
6442         expensive operations.
6443
6444 2005-03-31  Ian Lance Taylor  <ian@airs.com>
6445
6446         * collect2.c (lderrout): New variable.
6447         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
6448         if it is set, to stderr.
6449         (handler): Unlink lderrout if it is set.
6450         (dump_file): Add "to" parameter.  Change all callers.
6451         (main): Initialize lderrout.
6452         (collect_execute): Add errname parameter.  Change all callers.
6453         Rename redir parameter to outname.  Never pass
6454         PEX_STDERR_TO_STDOUT to pex_run.
6455         * collect2.h (collect_execute, dump_file): Update declarations.
6456         * tlink.c (tlink_execute): Add errname parameter.  Change all
6457         callers.
6458         (do_tlink): Check lderrout as well as ldout.
6459
6460 2005-03-31  Caroline Tice  <ctice@apple.com>
6461
6462         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
6463         (bb-reorder.o): Add errors.h to list of requirements.
6464         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
6465         profiledbootstrap flags.
6466         * bb-reorder.c (errors.h): Add new include.
6467         (struct bbro_basic_block_data_def): Add new field, in_trace.
6468         (add_unlikely_executed_notes):  Remove function.
6469         (mark_bb_for_unlikely_executed_section): Remove function.
6470         (insert_section_boundary_note): New function.
6471         (verify_hot_cold_block_grouping): New function.
6472         (push_to_next_round_p): Remove variables and tests that push all
6473         cold blocks to last round.
6474         (find_traces): Remove code that added extra round of trace finding
6475         when doing partitioning.
6476         (find_traces_1_round) :  Remove variable last_round;  add code to
6477         update new struct field, in_trace; correct trace_length where it was
6478         incorrect before (after call to copy_bb); change code that pushed all
6479         cold blocks to last round. Instead verify that all blocks going into
6480         a trace belong in the same partition.
6481         (connect_traces): Modify to connect the traces in two passes, if the
6482         function contains both hot and cold blocks.  The first pass connects
6483         all the traces for blocks in the partition that the first block in
6484         the function belongs to; the second pass connnects all the traces
6485         containing blocks that belong in the other partition.
6486         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
6487         code that automatically put the first block in a function into the
6488         hot partition if the function had any hot blocks.
6489         (fix_crossing_unconditional_branches): Check number of succ edges
6490         before attempting to get one.
6491         (fix_edges_for_rarely_executed_code):  Update comment describing
6492         function.
6493         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
6494         remove call to add_unlikely_executed_notes; add call to
6495         verify_hot_cold_block_grouping.
6496         (duplicate_computed_gotos): Don't change computed goto if it's a
6497         crossing edge.
6498         (partition_hot_cold_basic_blocks):  Update function comment.
6499         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
6500         condition.
6501         (try_forward_edges): Likewise.
6502         (merge_blocks_move_predecessor_nojumps): Likewise.
6503         (merge_blocks_move_successor_nojumps): Likewise.
6504         (merge_blocks_move): Likewise.
6505         (try_crossjump_bb): Likewise.
6506         * cfglayout.c (update_unlikely_executed_notes): Remove function.
6507         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
6508         notes to cold bb's; remove call to update_unlikely_executed_notes.
6509         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
6510         NOTE_INSN_SWITCH_TEXT_SECTIONS.
6511         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
6512         function declaration.
6513         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
6514         from consideration.
6515         (rtl_can_merge_blocks): Remove redundancy from condition.
6516         (try_redirect_by_replacing_jump): Likewise.
6517         (force_nonfallthru_and_redirect): Remove code for adding
6518         UNLIKELY_EXECUTED_CODE notes to cold bb's.
6519         (commit_one_edge_insertion): Likewise.
6520         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
6521         * dbxout.c (FORCE_TEXT): Replace function_section with
6522         current_function_section.
6523         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
6524         function, switch_text_section.
6525         (struct xcoff_debug): Likewise.
6526         (dbxout_function_end): Add code to put out label diffs for both
6527         hot and cold sections.
6528         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
6529         for new debug_hooks funciton, switch_text_section..
6530         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
6531         switch_text_section.
6532         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
6533         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
6534         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
6535         dw_fde_switched_sections.
6536         (output_call_frame_info):  Add test to see if function switches text
6537         sections in the middle; if so, use appropriate extra hot and cold
6538         section labels to compute size deltas for the hot and cold sections.
6539         (dwarf2out_begin_prologue): Add code to initialize new fields in
6540         dw_fde_struct.
6541         (dwarf2out_switch_text_section): New function (invoked through
6542         debug_hook); updates new fields in dw_fde_struct appropriately and
6543         increments separate_line_info_table_in_use.
6544         (dwarf2_debug_hooks): Initialize switch_text_section function to be
6545         dwarf2out_switch_text_section.
6546         (struct var_loc_node): Add new field, section_label.
6547         (output_aranges): Add code to check whether in hot or cold section and
6548         use the appropriate label in calculating deltas.
6549         (output_ranges): Likewise.
6550         (output_line_info): Add code to check which section we're in and
6551         use appropriate hot/cold label.
6552         (add_location_or_constant_value_attribute): Likewise.
6553         (gen_subprogam_die): Modify arange attributes to use correct labels.
6554         (dwarf2out_begin_block): Change call to function_section into call to
6555         current_function_section.
6556         (dwarf2out_end_block): Likewise.
6557         (dwarf2out_source_line): Likewise.
6558         (dwarf2out_var_location): Add code to check whether in hot or cold
6559         section and use the appropriate label.
6560         * except.c (output_function_exception_table): Change call to
6561         function_section into call to current_function_section.
6562         * final.c (profile_function): Likewise.
6563         (scan_ahead_for_unlikely_executed_note): Remove function.
6564         (final_scan_insn):  Remove calls to
6565         scan_ahead_for_unlikely_executed_note, and related code for switching
6566         to cold section, except for the single time
6567         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
6568         debug_hooks->switch_text_sections; replace appropriate calls to
6569         function_section with calls to current_function_section.
6570         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
6571         test_bb to condition.
6572         (find_if_case_2): Likewise.
6573         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
6574         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
6575         * opts.c (decode_options): Change warning about hot/cold partitioning
6576         with exceptionss to inform (so as not to cause bootstrap failures);
6577         remove warning about partitioning with DWARF debug info.
6578         * output.h (current_function_section): Add new function decl.
6579         (insert_section_boundary_note): Likewise.
6580         (enum in_section): Move this declaration here from varasm.c.
6581         (unlikely_section_label): Likewise.
6582         (unlikely_text_section_name): Likewise.
6583         (last_text_section_name): New global variable.
6584         (last_text_section): Likewise.
6585         (hot_section_label): Likewise.
6586         (hot_section_end_label): Likewise.
6587         (cold_section_end_label): Likewise.
6588         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
6589         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
6590         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
6591         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
6592         insn from consideration.
6593         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
6594         switch_text_section.
6595         * varasm.c (basic-block.h): Add new include.
6596         (unlikely_section_label_printed): Remove global variable.
6597         (unlikely_section_label): Make global variable not be static any more.
6598         (unlikely_text_section_name): Likewise.
6599         (hot_section_end_label): New global variable (not static)
6600         (first_function_block_is_cold): Likewise.
6601         (hot_section_label): Likewise.
6602         (cold_section_end_label): Likewise..
6603         (last_text_section): New global variable, not static.
6604         (last_text_section_name): New global variable, not static.
6605         (initialize_cold_section_name): New function.
6606         (enum in_section): Move declaration to output.h.
6607         (text_section): Update last_text_section.
6608         (unlikely_text_section): Replace code to determine cold section name
6609         with call to initialize_cold_section_name; Add code to update
6610         last_text_section; remove code for printing out label.
6611         (named_section_real): Add code to update last_text_section and
6612         last_text_section_name as appropriate.
6613         (function_section): Change test for 'unlikely' to depend on
6614         first_function_block_is_cold (moved old test to
6615         current_function_section).
6616         (current_function_section): New function.
6617         (assemble_start_function): Move code that frees
6618         unlikely_text_section_name; initialize hot_section_end_label;
6619         print hot and cold section labels at the start of the function;
6620         set first_function_block_is_cold, if appropriate; initialize l
6621         ast_text_section; add call to insert_section_boundary_note.
6622         (assemble_end_function):  Add code to write out hot and cold section
6623         end labels.
6624         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
6625         switch_text_section.
6626         * config/darwin.c (machopic_select_section): Replace incorrect
6627         function in base_funs; update reloc for cold sections if necessary.
6628         * config/darwin.h (SECTION_FUNCTION):  Add code to update
6629         last_text_section if appropriate.
6630         (text_unlikely_section): Remove.
6631         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
6632         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
6633         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
6634         partitioning for this architecture.
6635
6636 2005-03-31  Olivier Hainque  <hainque@adacore.com>
6637
6638         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
6639         defined and non-zero.
6640
6641 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6642
6643         PR c++/18644
6644         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
6645         semantics.
6646
6647 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
6648
6649         PR target/20611
6650         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
6651         label operand.  Remove (use (unspec..)).  Don't emit a label on
6652         the offset word.
6653         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
6654         generate inline label for load_toc_v4_PIC_1b.
6655         (rs6000_emit_load_toc_table): Likewise.
6656
6657 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6658
6659         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
6660         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
6661
6662 2005-03-29  Devang Patel  <dpatel@apple.com>
6663
6664         * tree-sra.c (decide_block_copy): Disable scalarization of
6665         sub-elements.
6666
6667 2005-03-30  Stuart Hastings  <stuart@apple.com>
6668             Dale Johannesen  <dalej@apple.com>
6669
6670         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
6671         * print-tree.c (print_node):  Add case STATEMENT_LIST.
6672
6673 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
6674
6675         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
6676         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
6677         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
6678         is given with "powerpc64*" or "all", or when --with-cpu chooses
6679         a 64-bit cpu.
6680
6681 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
6682
6683         PR debug/20268
6684         * dwarf2out.c (add_high_low_attributes): New function, extracted from
6685         gen_lexical_block_die.
6686         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
6687
6688 2005-03-31  Jan Hubicka  <jh@suse.cz>
6689
6690         2004-11-02  Jan Hubicka  <jh@suse.cz>
6691
6692         * cgraph.c (cgraph_varpool_node_name): New function.
6693         (dump_cgraph_varpool_node): New function.
6694         (dump_varpool): New function.
6695         * cgraphunit.c (cgraph_optimize): Dump varpool.
6696
6697         2004-10-16  Jan Hubicka  <jh@suse.cz>
6698
6699         * cgraph.c (decide_is_variable_needed): New function.
6700         (cgraph_varpool_finalize_decl): Use it.
6701         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
6702         unit-at-a-time.
6703         * final.c (output_addr_const): Do not call mark_referenced.
6704         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
6705         always go via cgraph.
6706         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
6707         (check_global_declarations): Ifdef out code clearing DECL_RTL.
6708         * tree-optimize.c (execute_inline): Mark functions called.
6709         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
6710
6711         2004-10-11  Jan Hubicka  <jh@suse.cz>
6712
6713         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
6714         (cgraph_varpool_last_needed_node): New static variable.
6715         (enqueue_needed_varpool_node): Break out from ...; add items to the
6716         end of queue; update first pointers.
6717         (cgraph_varpool_mark_needed_node): ... here.
6718         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
6719         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
6720         * cgraph.h (cgraph_varpool_node): Add analyzed field.
6721         (cgraph_varpool_first_unanalyzed_node): Declare.
6722         * cgraphunit.c: Include output.h.
6723         (cgraph_varpool_analyze_pending_decls): New function.
6724         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
6725         for errors, analyze pending decls.
6726         (cgraph_finalize_compilation_unit): Only analyze decls.
6727         (cgraph_optimize): Assemble the decls after expanding.
6728
6729 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
6730
6731         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
6732         subvars get marked properly in tags for grouping.
6733         (add_pointed_to_var): Mark only actual pointed to
6734         variables/subvars in addresses needed.
6735         (create_overlap_variables_for): Clear call clobbered on original
6736         variable.
6737         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
6738         addresable vars with subvars into list.
6739         * tree-ssa.c (verify_ssa_name): Verify original is not used where
6740         subvar should be.
6741
6742 2005-03-30  Richard Henderson  <rth@redhat.com>
6743
6744         * cgraph.h (struct cgraph_node): Add alias.
6745         * varasm.c (assemble_alias): Set it.
6746         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
6747         avoid calling cgraph_expand_function.
6748
6749 2005-03-30  Tom Tromey  <tromey@redhat.com>
6750
6751         * tree.def (FILE_TYPE): Removed.
6752         * typeclass.h (enum type_class): Removed file_type_class.
6753         * dwarf2out.c (is_base_type): Updated.
6754         (gen_type_die): Likewise.
6755         * dbxout.c (dbxout_type): Updated.
6756         * builtins.c (type_to_class): Updated.
6757         * tree.c (type_contains_placeholder_1): Updated.
6758         * config/sparc/sparc.c (sparc_type_code): Updated.
6759         * config/ia64/ia64.c (hfa_element_mode): Updated.
6760         * expr.c (count_type_elements): Updated.
6761         * stor-layout.c (layout_type): Updated.
6762         * tree-inline.c (remap_type): Updated.
6763         * tree-pretty-print.c (dump_generic_node): Updated.
6764
6765 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
6766
6767         * builtins.c (expand_builtin_powi): Fix mode of
6768         2nd argument to match int.
6769         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
6770         2nd argument type to int.
6771         * libgcc2.c: Change prototype of __powi* functions to use
6772         int.
6773
6774 2005-03-30  Dale Johannesen  <dalej@apple.com>
6775
6776         PR middle-end/19225
6777         * calls.c (expand_call):  Flush pending deferrals before
6778         throwing call.
6779
6780 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
6781
6782         PR c/772
6783         PR c/17913
6784         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
6785         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
6786         c_label_context, label_context_stack): New.
6787         * c-decl.c (define_label): Check for jumps into statement
6788         expressions.  Add label to list of defined labels.
6789         (start_function): Push context on label_context_stack.
6790         (finish_function): Pop context from label_context_stack.
6791         * c-typeck.c (label_context_stack): New.
6792         (c_finish_goto_label): Check for jumps into statement
6793         expressions.  Add label to list of jumped to labels.
6794         (struct c_switch): Add blocked_stmt_expr.
6795         (c_start_case): Initialize it.
6796         (do_case): Check it.
6797         (c_finish_case): Verify !blocked_stmt_expr.
6798         (c_begin_stmt_expr):  Push context on label_context_stack.
6799         Increment blocked_stmt_expr.  Mark labels jumped to from outside
6800         as undefinable.
6801         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
6802         defined in the statement expression and no longer jumpable to.
6803         Mark labels jumped to from just outside the statement expression
6804         as again definable.  Pop context from label_context_stack.
6805         * doc/extend.texi (Statement Exprs): Update.
6806
6807 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
6808
6809         PR c/20368
6810         * c-decl.c (start_function): Check for old_decl being
6811         error_mark_node.
6812
6813 2005-03-30  Ian Lance Taylor  <ian@airs.com>
6814
6815         * final.c (final): Remove prescan parameter.  Change all callers.
6816         (final_scan_insn): Remove prescan parameter.  Change all callers.
6817
6818 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
6819
6820         * tree-vectorizer.c: Fix comment typos.
6821
6822 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
6823
6824         * tree-scalar-evolution.c (instantiate_parameters_1): Return
6825         as soon as a chrec_dont_know is detected.
6826
6827 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
6828
6829         Merge from csl-arm-branch.
6830         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
6831
6832         * tlink.c (recompile_files): Do not assume that "rename" can
6833         overwrite an existing file.
6834
6835 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
6836
6837         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
6838         * gcc/configure: Regenerate.
6839
6840 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
6841
6842         * doc/install.texi: Update binutils requirement for powerpc*-linux.
6843
6844         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
6845
6846         * calls.c (struct arg_data): Update "partial" comment.
6847         (load_register_parameters): Update "nregs" comment.
6848
6849 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6850
6851         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
6852         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
6853         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
6854         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
6855         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
6856         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
6857         than target_flags & 0.
6858         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
6859         (iq2000_arch, iq2000_parse_cpu): Delete.
6860         (TARGET_HANDLE_OPTION): Override default.
6861         (iq2000_handle_option): New function.
6862         (override_options): Remove -march= and -mcpu= handling.
6863         * config/iq2000/iq2000.opt: New file.
6864
6865 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6866
6867         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
6868         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
6869         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
6870         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
6871         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
6872         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
6873         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
6874         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
6875         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
6876         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
6877         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
6878         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
6879         (c4x_rpts_cycles_string, c4x_cpu_version_string)
6880         (TARGET_OPTIONS): Delete.
6881         (c4x_rpts_cycles, c4x_cpu_version): Declare.
6882         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
6883         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
6884         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
6885         (c4x_cpu_version_string): Delete.
6886         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6887         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
6888         equivalent -mcpu= option.
6889         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
6890         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
6891         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
6892         or clearing the appropriate MASK_* bit.
6893         (c4x_file_start): Use c4x_cpu_version.
6894         * config/c4x/c4x.opt: New file.
6895
6896 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6897
6898         * doc/options.texi: Document the new MaskExists flag.
6899         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
6900         if the option has the MaskExists flag.
6901
6902 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6903
6904         * opt-functions.awk (flag_set_p, test_flag): New functions.
6905         (switch_flags): Use them.
6906         * opth-gen.awk: Use flag_set_p to check for flags.
6907         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
6908
6909 2005-03-30  Ian Lance Taylor  <ian@airs.com>
6910
6911         * config.host (i[34567]86-*-mingw32*): Don't set
6912         host_can_use_collect2 to no.
6913
6914 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
6915
6916         PR target/20203
6917         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
6918         Remove convert_memory_address call duplicating that in memory_address.
6919
6920 2005-03-29  Richard Henderson  <rth@redhat.com>
6921
6922         PR c/20519
6923         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
6924         (build_compound_literal): Likewise.  Propagate decl type into the
6925         initializer.
6926         (finish_decl): Likewise.  Use new return value from complete_array_type
6927         for zero sized arrays.
6928         (complete_array_type): Move ...
6929         * c-common.c (complete_array_type): ... here.  Change first argument
6930         to pointer-to-type-node.  Consistently use sizetype for the index
6931         except for zero sized arrays.  Detect zero sized arrays for pedantic
6932         mode diagnostics.  Create a new type node instead of modifying the
6933         old node in place.
6934         * c-tree.h (complete_array_type): Move decl ...
6935         * c-common.h (complete_array_type): ... here.
6936
6937 2005-03-29  Richard Henderson  <rth@redhat.com>
6938
6939         PR tree-opt/19108
6940         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
6941
6942 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
6943
6944         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
6945         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
6946         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
6947         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
6948
6949 2005-03-29  Eric Christopher  <echristo@redhat.com>
6950
6951         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
6952         truthvalue conversion removal.
6953
6954 2005-03-29  Ian Lance Taylor  <ian@airs.com>
6955
6956         PR bootstrap/14316
6957         * collect2.c: Never include <vfork.h>.
6958         (VFORK_STRING, vfork): Don't define.
6959         (pid): Remove global variable.
6960         (handler): Call raise instead of kill (getpid(), ...).
6961         (collect_wait): Add pex parameter.  Change all callers.  Use
6962         pex_get_status rather than pwait.
6963         (do_wait): Add pex parameter.  Change all callers.
6964         (collect_execute): Return struct pex_obj * rather than void.  Use
6965         pex routines rather than pexecute.
6966         (fork_execute): Get pex_obj from collect_execute, and pass it to
6967         do_wait.
6968         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
6969         Only declare quit_handler if SIGQUIT is defined.
6970         (scan_libraries): Likewise.
6971         * collect2.h (collect_execute): Update declaration.
6972         (collect_wait): Update declaration.
6973         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
6974         pass it to collect_wait.
6975
6976 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
6977
6978         PR c/20672
6979         * c-parser.c (c_parser_compound_statement_nostart): Give error
6980         message for EOF instead of just setting parser->error.
6981
6982 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
6983
6984         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
6985         (slpeel_update_phi_nodes_for_guard1): New function.
6986         (slpeel_update_phi_nodes_for_guard2): New function.
6987         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
6988         of slpeel_update_phi_nodes_for_guard.
6989         (vectorize_loops): Remove call to loop_closed_rewrite.
6990         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
6991         assertion.
6992
6993 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
6994
6995         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
6996         (TARGET_LITTLE_ENDIAN): New macro.
6997         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
6998         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
6999         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
7000         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
7001         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
7002         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
7003         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
7004         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
7005         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
7006         (TARGET_OPTIONS): Delete.
7007         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
7008         (CACHE_FLUSH_TRAP): Turn into an integer.
7009         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
7010         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
7011         -mflush-trap is in use.
7012         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
7013         (m32r_cache_flush_trap_string): Delete.
7014         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
7015         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
7016         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
7017         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7018         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
7019         -mmodel= and -msdata= handling from...
7020         (m32r_init): ...here.
7021         * config/m32r/m32r.opt: New file.
7022
7023 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
7024
7025         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
7026         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
7027         * tree-vect-analyze.c (vect_object_analysis): additional parm
7028         pass back a "struct ptr_info_def *" with the points-to info.
7029         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
7030         statement using info returned from vect_object_analysis.
7031         * tree-vect-transform.c (update_vuses_to_preheader): New function.
7032         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
7033         for virtual uses and defs when creating a replacement vector
7034         reference.  Call duplicate_ssa_name_ptr_info to define points-to
7035         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
7036         (vectorizable_store): copy_virtual_operands and update
7037         definition statements.
7038         (vectorizable_load): copy_virtual_operands.  Remove call to
7039         mark_call_clobbered_vars_to_rename for call to "const" builtin.
7040         * tree-vectorizer.c (vectorize_loops): Remove calls to
7041         rewrite_into_ssa and bitmap_clear (vars_to_rename).
7042         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
7043         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
7044         define macro STMT_VINFO_PTR_INFO for use in accessing.
7045         * tree.h add export of duplicate_ssa_name_ptr_info.
7046         * rs6000.c (altivec_init_builtins): Declare builtin function
7047         __builtin_altivec_mask_for_load to be "const".
7048
7049 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
7050
7051         PR middle-end/20622
7052         * cgraph.h (struct cgraph_varpool_node): Add alias field.
7053         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
7054         assemble_variable on aliases.
7055         * varasm.c (assemble_alias): Set node->alias.
7056         * toplev.c (wrapup_global_declarations): Don't call
7057         rest_of_decl_compilation on aliases again.
7058
7059 2005-03-29  Paul Brook  <paul@codesourcery.com>
7060
7061         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
7062         * config/arm/arm.c (arm_dbx_register_number): New function.
7063         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
7064
7065 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
7066
7067         PR middle-end/20263
7068         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
7069         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
7070
7071 2005-03-29  Dale Johannesen <dalej@apple.com>
7072
7073         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
7074         $(TREE_H) and $(COVERAGE_H).
7075         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
7076         * opts.c (common_handle_option): Enable tree-based value transforms.
7077         * toplev.c (process_options): Ditto.
7078         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
7079         refers to references to this type.
7080         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
7081         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
7082         for may_be_more, may_be_less.
7083         (rtl_gen_pow2_profiler): Adjust.
7084         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
7085         (rtl_gen_one_value_profiler): Adjust.
7086         (rtl_gen_const_delta_profiler): Adjust.
7087         * tree-profile.c (tree_gen_interval_profiler): Implement.
7088         (tree_gen_pow2_profiler): Ditto.
7089         (tree_gen_one_value_profiler): Ditto.
7090         (tree_profiling): New.
7091         (pass_tree_profile): Reference it.
7092         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
7093         tree.h, gcov-io.h.
7094         (insn_divmod_values_to_profile): Rename to
7095         rtl_divmod_values_to_profile. Adjust.
7096         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
7097         (insn_prefetch_values_to_profile): Adjust.
7098         (rtl_value_profile_transformations): Adjust.
7099         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
7100         (gen_mod_pow2): Rename to rtl_mod_pow2.
7101         (gen_mod_subtract): Rename to rtl_mod_subtract.
7102         (divmod_fixed_value_transform): Rename to
7103         rtl_divmod_fixed_value_transform.
7104         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
7105         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
7106         (rtl_find_values_to_profile): Adjust.
7107         (tree_value_profile_transformations): Implement.
7108         (tree_divmod_values_to_profile): New.
7109         (tree_values_to_profile): New.
7110         (tree_divmod_fixed_value): New.
7111         (tree_mod_pow2): New.
7112         (tree_mod_subtract): New.
7113         (tree_divmod_fixed_value_transform): New.
7114         (tree_mod_pow2_value_transform): New.
7115         (tree_mod_subtract_transform): New.
7116         (tree_find_values_to_profile): Implement.
7117         * profile.c (instrument_values):  Free histograms.
7118         (compute_value_histograms): Adjust. Implement tree version.
7119
7120 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
7121
7122         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
7123         * config/i386/i386.c (output_fix_trunc): Add new round_mode
7124         variable.  Output "fldcw" depending on round_mode.
7125         * config/i386/i386.md (UNSPEC_FIST): New.
7126         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
7127         New isns patterns to implement lrint and llrint built-ins as x87
7128         intrinsic function.
7129         (fistdi2, fist<mode>2 splitters): New splitters.
7130         (lrint<mode>2): New expanders.
7131
7132 2005-03-28  Ian Lance Taylor  <ian@airs.com>
7133
7134         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
7135         0 when calling final_scan_insn.
7136
7137 2005-03-28  Jan Hubicka  <jh@suse.cz>
7138
7139         PR middle-end/20635
7140         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
7141         as needed.
7142
7143         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
7144         types where possible.
7145
7146 2005-03-26  Per Bothner  <per@bothner.com>
7147
7148         Make -f[no-]show-column also control non-cpp diagnostics.
7149         * c.opt (fshow-column): Move option from here ...
7150         * common.opt (fshow-column): ... to here.
7151         * diagnostic.c (diagnostic_build_prefix): Only print column number
7152         if flag_show_column.
7153
7154 2005-03-27  Steven Bosscher  <stevenb@suse.de>
7155
7156         * vax-protos.h (vax_output_int_move, vax_output_int_add,
7157         vax_output_conditional_branch): New prototypes.
7158         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
7159         extracted from vax.md mov and add patterns.
7160         (vax_output_conditional_branch): New function to output conditional
7161         branch instructions.
7162         * vax.md: Use mode macros for arithmetic and mov patterns.
7163         Use code macros for the jump patterns.
7164
7165 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
7166
7167         * Makefile.in (libbackend.o): Depend on version files;
7168         add custom generation command.
7169
7170 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
7171
7172         PR target/20636
7173         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
7174         sure that we have a REG before getting its REGNO.
7175
7176 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7177
7178         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
7179         * builtins.def (BUILT_IN_STRNDUP): New.
7180
7181 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
7182
7183         PR tree-optimization/20470
7184         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
7185         ABS(x-y).
7186
7187 2005-03-25  Mike Stump  <mrs@apple.com>
7188
7189         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
7190         sized objects.
7191
7192 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
7193
7194         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
7195         Use our own structure definitions.
7196
7197         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
7198         (fix_truncdfsi2): Allow registers or memory as destination.
7199         When TARGET_PPC_GFXOPT, generate simplified pattern.
7200         (fix_truncdfsi2_internal): Use define_insn_and_split.
7201         (fix_truncdfsi2_internal_gfxopt): New.
7202         (fctiwz): Don't confuse register allocation by giving it no choices.
7203         (stfiwx): New.
7204         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
7205         (EXTRA_MEMORY_CONSTRAINT): Likewise.
7206         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
7207         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
7208
7209 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
7210
7211         * dominance.c (free_dominance_info): Speed up by freeing et
7212         data structures without maintaining other nodes.
7213         * et-forest.c (et_free_tree_force): New.
7214         * et-forest.h: Add a prototype for et_free_tree_force.
7215
7216         * tree.c (get_set_constructor_bits,
7217         get_set_constructor_bytes): Remove.
7218         * tree.h: Remove the corresponding prototypes.
7219
7220 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
7221
7222         PR target/15491
7223         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
7224         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
7225         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
7226         PRE_DEC, NEG and NOT.
7227
7228 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
7229
7230         * fold-const.c: Convert uses of fold (build (...)) to
7231         fold_buildN.
7232
7233 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
7234
7235         PR rtl-optimization/20249
7236         * cse.c (insert_regs): Do not record equivalence of registers in
7237         different modes.
7238
7239 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
7240
7241         * emit-rtl.c (reverse_comparison): Remove.
7242         * rtl.h: Remove the corresponding prototype.
7243
7244 2005-03-24  James E Wilson  <wilson@specifixinc.com>
7245
7246         * doc/install.texi (--enable-altivec): Delete docs.
7247
7248 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
7249
7250         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
7251         SFmode and DFmode before reload when
7252         flag_unsafe_math_optimizations not enabled.
7253
7254 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
7255
7256         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
7257
7258         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
7259         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
7260
7261 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
7262
7263         * configure.ac (enable-checking): Add 'runtime' option.
7264         * doc/install.texi (enable-checking): Document 'runtime' checking.
7265         * tsystem.h (gcc_assert, gcc_unreachable): Define.
7266         * config.in: Regenerated.
7267         * configure: Regenerated.
7268
7269 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
7270
7271         * optabs.h (enum optab_index): Remove OTI_llrint.
7272         (llrint_optab): Remove macro.
7273         * optabs.c (init_optabs): Remove llrint_optab initialization.
7274         * genopinit.c (optabs): Remove llrint_optab implementation.
7275         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
7276         using lrint_optab.
7277
7278 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
7279
7280         PR rtl-optimization/20532
7281         * simplify-rtx.c (simplify_binary_operation_1): Protect from
7282         overflow when adding coefficients for PLUS or MINUS.
7283         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
7284         two as multiplier.
7285
7286 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
7287
7288         * langhooks.h (truthvalue_conversion): Remove.
7289         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
7290         LANG_HOOKS_TRUTHVALUE_CONVERSION.
7291         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
7292         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
7293         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
7294
7295 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
7296
7297         * params.def: Fix a typo.
7298         * config/mips/mips.c: Follow the spelling convensions.
7299         * doc/invoke.texi: Fix typos.
7300
7301 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
7302
7303         Fix PR tree-optimization/20601
7304
7305         * tree-ssa-pre.c (insert_aux): Add missing condition to
7306         constification.
7307
7308 2005-03-23  Ian Lance Taylor  <ian@airs.com>
7309
7310         * final.c (final_scan_insn): Don't remove no-op instructions.
7311         * reload1.c (reload): Remove simple no-op instructions even when
7312         not optimizing.
7313
7314 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
7315
7316         PR tree-optimization/20501
7317         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
7318         reporting that peeling for alignment is applied moved to...
7319         * (vect_analyze_data_refs_alignment): Here.
7320
7321 2005-03-23  Ian Lance Taylor  <ian@airs.com>
7322
7323         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
7324
7325 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7326
7327         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
7328         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
7329
7330 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
7331
7332         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
7333         imply that this is called once, independent of asms in code.
7334         Adjust to now being pased output and input lists.  Mention helper
7335         function decl_overlaps_hard_reg_set_p.
7336         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
7337         hook_tree_tree_identity and to take three trees, returning third.
7338         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
7339         prototype.
7340         * stmt.c: include hard-reg-set.h before tree.h.
7341         (decl_overlaps_hard_reg_set_p): New function, broken out from...
7342         (decl_conflicts_with_clobbers_p): Call
7343         decl_overlaps_hard_reg_set_p.
7344         (expand_asm_operands): Pass output and input lists in call to
7345         targetm.md_asm_clobbers.
7346         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
7347         hook_tree_tree_tree_tree_3rd_identity.
7348         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
7349         parameters.
7350         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
7351         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
7352         parameters, first two unused.
7353         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
7354         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
7355         in constraint letters and MOF is not mentioned as a asm-declared
7356         register in neither of the input and output lists.
7357
7358 2005-03-23  DJ Delorie  <dj@redhat.com>
7359
7360         * optabs.c (expand_binop): Make sure the first subword's result
7361         gets stored.
7362
7363 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
7364
7365         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
7366         Call c_common_truthvalue_conversion rather than
7367         lang_hooks.truthvalue_conversion.
7368         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
7369         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
7370         c-typeck.c.
7371         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
7372         c_common_truthvalue_conversion.
7373         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
7374         c_parser_conditional_expression, c_parser_binary_expression): Call
7375         c_objc_common_truthvalue_conversion.
7376         * c-typeck.c (build_unary_op): Call
7377         c_objc_common_truthvalue_conversion.
7378         (build_conditional_expr): Do not call
7379         lang_hooks.truthvalue_conversion.
7380         (build_binary_op): Call c_common_truthvalue_conversion.
7381         (c_objc_common_truthvalue_conversion): Moved from
7382         c-objc-common.c.  Call default_function_array_conversion instead
7383         of default_conversion.
7384
7385 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
7386
7387         * c-common.h (default_conversion): Remove.
7388         (perform_integral_promotions): Add.
7389         * c-tree.h (default_conversion): Add.
7390         * c-typeck.c (perform_integral_promotions): New, split out from
7391         default_conversion.
7392         * c-common.c (check_case_value): Use perform_integral_promotions,
7393         not default_conversion.
7394         (c_add_case_label): Don't continue processing case label after
7395         found to be pointer.
7396
7397 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
7398
7399         * gcc.c (do_spec_1): Do not add a -L path for a directory in
7400         the prefix list if we have already added a multilib directory
7401         based on that path.
7402         (main): Do not add MD_EXEC_PREFIX to the list of directories to
7403         search with -L.
7404
7405 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7406
7407         * reload1.c (indirect_symref_ok, reload_obstack): Make them
7408         static.
7409         * reload.h: Remove the prototype for indirect_symref_ok.
7410
7411         * reload1.c (indirect_symref_ok): Make it global.
7412         * reload.h: Add a prototype for indirect_symref_ok.
7413
7414 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
7415
7416         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
7417         ashlhi3 expander.
7418
7419 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
7420
7421         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
7422
7423 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
7424
7425         * c-opts.c (c_common_parse_file): Only start/end main source file
7426         if debug hooks says the writer wants it.
7427         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
7428         member.
7429         (xcoff_debug_hooks): Ditto.
7430         * debug.c (do_nothing_hooks): Ditto.
7431         * debug.h (gcc_debug_hooks): Ditto.
7432         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
7433         * sdbout.c (sdb_debug_hooks): Ditto.
7434         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
7435
7436 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
7437
7438         * doc/extend.texi: Deprecate C++ min/max operators.
7439
7440 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
7441
7442         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
7443         artificial original candidates.
7444
7445 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
7446             Jan Hubicka  <jh@suse.cz>
7447             Steven Bosscher <stevenb@suse.de>
7448
7449         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
7450         call cost based on argument sizes.
7451         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
7452         inlining.
7453         * params.def: (max-inline-inssn-single): Set to 450.
7454         (max-inline-insns-auto): Set to 90.
7455         (max-inline-insns-recursive): Set to 450
7456         (max-inline-insns-recursive-auto): Set to 450.
7457         (large-function-insns): Set to 2700.
7458         (inline-call-cost): New parameter.
7459         * tree-inline.c (estimate_move_cost): New function.
7460         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
7461         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
7462         based on arguments.
7463         * tree-inline.h (estimate_move_cost): Declare.
7464         * invoke.texi: (max-inline-inssn-single): Change default to 450.
7465         (max-inline-insns-auto): Change default to 90.
7466         (max-inline-insns-recursive): Change default to 450
7467         (max-inline-insns-recursive-auto): Change default to 450.
7468         (large-function-insns): Change default to 2700.
7469         (inline-call-cost): Document new parameter.
7470
7471 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
7472
7473         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
7474         (TARGET_DEFAULT): Delete.
7475         * config/i860/i860.opt: New file.
7476
7477 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
7478
7479         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
7480         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
7481         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
7482         (frv_sched_lookahead): Delete.
7483         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
7484         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
7485         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
7486         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
7487         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
7488         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
7489         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
7490         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
7491         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
7492         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
7493         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
7494         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
7495         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
7496         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
7497         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
7498         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
7499         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
7500         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
7501         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
7502         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
7503         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
7504         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
7505         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
7506         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
7507         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
7508         (frv_sched_lookahead): Delete.
7509         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
7510         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7511         (frv_handle_option): New function.  Move -mcpu= handling from...
7512         (frv_override_options): ...here.  Remove handling of other
7513         TARGET_OPTIONS.
7514         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
7515         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
7516         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
7517         and TARGET_NO_MULTI_CE.
7518         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
7519         !TARGET_VLIW_BRANCH.
7520         * config/frv/frv.opt: New file.
7521
7522 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7523
7524         * fold-const.c (fold_ternary): Take decomposed arguments of
7525         CALL_EXPR.
7526         (fold): Update a call to fold_ternary.
7527
7528         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
7529         * tree.h: Add corresponding prototypes.
7530
7531 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
7532
7533         PR target/20561
7534         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
7535         between jump table and its label.
7536         * final.c (shorten_branches): Handle notes in between ADDR_VEC
7537         resp. ADDR_DIFF_VEC and the label preceeding it.
7538         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
7539         is emitted in the right section.
7540
7541 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7542
7543         * fold-const.c (fold_unary, fold_binary): Update comments
7544         about arguments.
7545
7546 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
7547
7548         PR rtl-optimization/20527
7549         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
7550         REG_INC note, test that the register also isn't mentioned in PRED
7551         or SUCC.
7552
7553 2005-03-22  Ben Elliston  <bje@au.ibm.com>
7554
7555         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
7556         and definition.
7557
7558 2005-03-21  Mike Stump  <mrs@apple.com>
7559
7560         * varasm.c (default_assemble_visibility): Remove extra ().
7561
7562 2005-03-21  Roger Sayle  <roger@eyesopen.com>
7563
7564         PR middle-end/20557
7565         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
7566         to determine whether a block can be duplicated, rather than test
7567         whether the block contains noncopyable insns ourselves.
7568
7569 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7570
7571         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
7572         predicates.
7573
7574 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
7575
7576         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
7577
7578 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
7579
7580         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
7581         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
7582         * config/fr30/fr30.opt: New file.
7583
7584 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
7585
7586         Fix PR tree-optimization/20542
7587
7588         * tree-flow-inline.h (overlap_subvar): Move to here.
7589         * tree-ssa-operands.c: From here.
7590         * tree-flow.h (overlap_subvar): Declare.
7591         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
7592         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
7593         for variables with subvars.
7594
7595 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
7596
7597         PR middle-end/20177
7598         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
7599         * modulo-sched.c (const_iteration_count): Return on NULL
7600         pre-header.
7601         (print_node_sched_params): Return on NULL dump_file.
7602         (generate_reg_moves): Handle reg-anti dependencies and disregard
7603         closing branch when generating register moves.
7604         (sms_schedule): Mark the SMSed block dirty.
7605         * passes.c (rest_of_handle_sms): Call update_life_info for all
7606         basic-blocks.
7607         * testsuite/gcc.dg/20050321-1.c: New test.
7608
7609 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
7610
7611         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
7612         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
7613         movqi_internal): Likewise.
7614
7615 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
7616
7617         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
7618         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
7619         xtensa_b4const): Delete prototypes.
7620         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
7621         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
7622         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
7623         xtensa_extra_constraint): New prototypes.
7624         (add_operand, arith_operand, nonimmed_operand, mem_operand,
7625         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
7626         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
7627         move_operand, const_float_1_operand, fpmem_offset_operand,
7628         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
7629         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
7630         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
7631         argument type to HOST_WIDE_INT.
7632         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
7633         xtensa_mask_immediate): Likewise.
7634         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
7635         Likewise.  Also make these functions static.
7636         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
7637         (xtensa_const_ok_for_letter_p): New.
7638         (add_operand, arith_operand, nonimmed_operand, mem_operand,
7639         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
7640         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
7641         move_operand, const_float_1_operand, fpmem_offset_operand,
7642         branch_operator, ubranch_operator, boolean_operator): Move to
7643         predicates.md.
7644         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
7645         (xtensa_mem_offset): Change return type to bool.
7646         (xtensa_extra_constraint): New.
7647         (gen_int_relational): Update type of const_range_p function pointer.
7648         Use xtensa_b4const_or_zero.
7649         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
7650         xtensa_const_ok_for_letter_p.  Update comments.
7651         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
7652         (PREDICATE_CODES): Delete.
7653         * config/xtensa/xtensa.md: Include predicates.md.
7654         * config/xtensa/predicates.md: New file.
7655
7656 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7657
7658         * config/v850/v850-protos.h: Remove the prototypes for
7659         reg_or_int9_operand, reg_or_const_operand,
7660         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
7661         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
7662         movsi_source_operand, power_of_two_operand,
7663         not_power_of_two_operand, special_symbolref_operand,
7664         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
7665         register_is_ok_for_epilogue.
7666         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
7667         reg_or_int9_operand, reg_or_const_operand,
7668         call_address_operand, special_symbolref_operand,
7669         movsi_source_operand, power_of_two_operand,
7670         not_power_of_two_operand, register_is_ok_for_epilogue,
7671         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
7672         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
7673         predicates.md.
7674         * config/v850/v850.h (PREDICATE_CODES): Remove.
7675         * config/v850/v850.md: Include predicates.md.
7676         * config/v850/predicates.md: New.
7677
7678 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
7679
7680         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
7681         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
7682         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
7683         (itoolsdir, itoolsdatadir): Move definition above new first use.
7684         (install-itoolsdirs): New rule.
7685         (install-mkheaders): Depend on install-itoolsdirs, not
7686         install-include-dir.
7687
7688 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7689
7690         * tree-into-ssa.c: Remove obsolete comments.
7691
7692 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
7693
7694         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
7695         unrolling if -fpeel-loops is specified, too.
7696         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
7697         Remove superfluous check for flag_unroll_loops.
7698
7699 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
7700
7701         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
7702         (lrint_optab, llrint_optab): Define corresponding macros.
7703         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
7704         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
7705         pattern and llrint_optab using llrintdi2 patterns.
7706         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
7707         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
7708         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
7709         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
7710         flag_unsafe_math_optimizations is set.
7711
7712 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
7713
7714         * combine.c (combine_simplify_rtx, simplify_if_then_else,
7715         simplify_logical, if_then_else_cond, known_cond,
7716         simplify_comparison): Adjust calls to reverse_comparison.
7717         Don't use combine_reversed_comparison_code).
7718         (combine_reversed_comparison_code): Remove.
7719         (reversed_comparison): Using reversed_comparison_code, move it...
7720         * jump.c (reversed_comparison): ... here.
7721         * rtl.h (reversed_comparison): Add prototype.
7722
7723 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7724
7725         * builtins.c (fold_builtin): Take decomposed arguments of
7726         CALL_EXPR.
7727         * fold-const.c (fold_ternary): Update a call to fold_builtin.
7728         * gimplify.c (gimplify_call_expr): Likewise.
7729         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
7730         * tree.h: Update the prototype of fold_builtin.
7731
7732 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
7733
7734         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
7735         * rtlhooks.c (gen_lowpart_no_emit_general): New.
7736         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
7737         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
7738         * simplify-rtx.c (simplify_binary_operation_1): Use it.
7739
7740 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7741
7742         * builtins.c (fold_builtin_1): Take decomposed arguments of
7743         CALL_EXPR.
7744         (fold_builtin): Update a call to fold_builtin_1.
7745
7746 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
7747
7748         PR other/20564
7749         * gcov.c (output_lines): Only output function block summary when
7750         outputting branch information.
7751         * doc/gcov.texi: Document format of preamble and additional block
7752         information lines.
7753
7754 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
7755
7756         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
7757         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
7758         the defaults false if BITS_PER_UNIT != 8.
7759         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
7760         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
7761         than BITS_PER_UNIT != 8.
7762         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
7763         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
7764         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
7765         #undefs.
7766         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
7767         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
7768
7769 2005-03-20  Roger Sayle  <roger@eyesopen.com>
7770
7771         PR middle-end/20539
7772         * fold-const.c (fold_binary): Fix type mismatch between
7773         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
7774         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
7775         for non-truth-valued expressions.
7776
7777         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
7778         and FUNCTION_DECL in the main switch.
7779         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
7780         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
7781         we also need to convert their operands to match.
7782         <TRUTH_NOT_EXPR>: Likewise.
7783
7784 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
7785
7786         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
7787         diagnostic without checking whether an lvalue.
7788         * c-common.h (lvalue_p): Remove.
7789         (enum lvalue_use): Update comment.
7790         (lvalue_or_else): Replace by lvalue_error.
7791         * c-typeck.c (lvalue_p): Make static.
7792         (lvalue_or_else): New.  Call lvalue_error.
7793
7794 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
7795
7796         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
7797         (function_arg_advance): Use rs6000_parm_start.
7798         (function_arg, rs6000_arg_partial_bytes): Likewise.
7799
7800 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
7801
7802         * c-common.c (check_case_value): Adjust comment about stripping
7803         NOPs.
7804         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
7805         * c-typeck.c (default_conversion, convert_arguments,
7806         build_modify_expr, convert_for_assignment, store_init_value,
7807         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
7808         manually.  Remove inaccurate comments.
7809
7810 2005-03-20  Roger Sayle  <roger@eyesopen.com>
7811             Joseph S. Myers  <joseph@codesourcery.com>
7812
7813         * varasm.c (do_assemble_alias): Restore comment describing function.
7814         Annotate the target parameter as potentially unused.
7815
7816 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
7817
7818         PR target/18551
7819         * config/avr/avr.c (avr_output_function_prologue): Do not use
7820         current_function_name() in a label, use a local label instead.
7821
7822 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
7823
7824         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
7825         flag_finite_math_only, not flag_unsafe_math_optimizations.
7826
7827 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
7828
7829         * builtins.c (fold_builtin_1): Update a call to
7830         targetm.fold_builtin.
7831         * hooks.c (hook_tree_tree_bool_null): Rename to
7832         hook_tree_tree_tree_bool_null.  Take one more argument of type
7833         tree.
7834         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
7835         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
7836         hook_tree_tree_tree_bool_null.
7837         * target.h (gcc_target): Update the prototype of fold_builtin.
7838         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
7839         arguments of CALL_EXPR.
7840         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
7841         new prototype.
7842
7843 2005-03-20  Jan Hubicka  <jh@suse.cz>
7844
7845         * cgraph.h (cgraph_node): Add prev_clone pointer.
7846         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
7847         (cgraph_clone_node): Produce doubly linked chain.
7848
7849 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
7850
7851         * c-common.c (handle_aligned_attribute, check_function_sentinel,
7852         get_nonnull_operand, handle_sentinel_attribute,
7853         check_function_arguments_recurse): Do not strip NOPS from
7854         INTEGER_CSTs.
7855         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
7856         Likewise.
7857         * c-format.c (get_constant): Likewise.
7858         * c-parser.c (c_parser_postfix_expression): Likewise.
7859         * c-typeck.c (set_init_index): Likewise.
7860         (convert_arguments): Don't check for NOP_EXPR containing integer
7861         constant.
7862
7863 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
7864
7865         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
7866         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
7867         Take decomposed arguments of CALL_EXPR.
7868         (fold_builtin_1): Update calls to the functions mentioned
7869         above.
7870
7871 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
7872
7873         * c-decl.c (check_bitfield_type_and_width): Require bit-field
7874         width to have integer type.
7875         (build_enumerator): Require enumerator value to have integer type.
7876
7877 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7878
7879         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
7880         to __builtin_inff.
7881
7882 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7883
7884         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
7885         std=iso9899:199x): Correct descriptions.
7886
7887 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7888
7889         * config.gcc: Consistently use solaris2.1[0-9]* instead of
7890         solaris2.1[0-9].
7891
7892 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
7893
7894         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
7895         of CALL_EXPR.
7896         (expand_builtin_memcpy, fold_builtin_1): Update calls to
7897         fold_builtin_memcpy.
7898
7899         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
7900         arguments of CALL_EXPR.
7901         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
7902         fold_builtin_found, fold_builtin_1): Update calls to
7903         fold_trunc_transparent_mathfn.
7904
7905 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7906
7907         PR middle-end/20493
7908         * fold-const.c (fold_widened_comparison): Don't optimize casts of
7909         function pointers on targets that require function pointer
7910         canonicalization.
7911         (fold_sign_changed_comparison): Likewise.
7912
7913 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
7914
7915         * combine.c (try_combine): When changing the mode of a hard reg, make
7916         sure that doing so is valid.
7917
7918 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
7919
7920         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
7921         (TARGET_HANDLE_OPTION): Override default.
7922         (avr_handle_option): New function.
7923         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
7924         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
7925         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
7926         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
7927         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
7928         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
7929         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
7930         (TARGET_OPTIONS): Delete.
7931         * config/avr/avr.opt: New file.
7932
7933 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7934
7935         * config/m32r/m32r-protos.h: Remove the prototypes for
7936         call_address_operand, symbolic_operand, seth_add3_operand,
7937         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
7938         reg_or_uint16_operand, reg_or_cmp_int16_operand,
7939         two_insn_const_operand, move_src_operand,
7940         move_double_src_operand, move_dest_operand,
7941         eqne_comparison_operator, signed_comparison_operator,
7942         large_insn_p, conditional_move_operand, carry_compare_operand,
7943         m32r_block_immediate_operand, extend_operand,
7944         reg_or_eq_int16_operand, int8_operand, and
7945         reg_or_zero_operand.
7946         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
7947         seth_add3_operand, int8_operand, cmp_int16_operand,
7948         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
7949         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
7950         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
7951         move_double_src_operand, move_dest_operand,
7952         eqne_comparison_operator, signed_comparison_operator,
7953         extend_operand, small_insn_p, large_insn_p,
7954         conditional_move_operand, carry_compare_operand,
7955         m32r_block_immediate_operand): Move to predicates.md.
7956         (MAX_MOVE_BYTES): Move to m32r.h.
7957         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
7958         * config/m32r/m32r.md: Include predicates.md.
7959         * config/m32r/predicates.md: New.
7960
7961 2005-03-18  James E Wilson  <wilson@specifixinc.com>
7962
7963         PR c++/19769
7964         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
7965         origin.
7966
7967 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7968
7969         * config/mn10300/mn10300-protos.h: Remove the prototypes for
7970         call_address_operand, const_8bit_operand.
7971         * config/mn10300/mn10300.c (call_address_operand,
7972         const_8bit_operand, const_1f_operand): Move to predicates.md.
7973         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
7974         * config/mn10300/mn10300.md: Include predicates.md.
7975         * config/mn10300/predicates.md: New.
7976
7977 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
7978
7979         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
7980         declarations in diagnostics and %E for identifiers, not %s.
7981
7982 2005-03-18  Jan Hubicka  <jh@suse.cz>
7983             Dale Johannesen  <dalej@apple.com>
7984
7985         * basic-block.h (scale_bbs_frequencies_int,
7986         scale_bbs_frequencies_gcov_type): Declare.
7987         * cfg.c (RDIV): New macro.
7988         (update_bb_frequency_for_threading): Fix.
7989         * basic-block.h (scale_bbs_frequencies_int,
7990         scale_bbs_frequencies_gcov_type): New.
7991         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
7992         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
7993         scale_bbs_frequencies_int.
7994         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
7995
7996 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7997
7998         * config/m32r/m32r-protos.h: Remove the prototypes for
7999         call_address_operand, symbolic_operand, seth_add3_operand,
8000         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
8001         reg_or_uint16_operand, reg_or_cmp_int16_operand,
8002         two_insn_const_operand, move_src_operand,
8003         move_double_src_operand, move_dest_operand,
8004         eqne_comparison_operator, signed_comparison_operator,
8005         large_insn_p, conditional_move_operand, carry_compare_operand,
8006         m32r_block_immediate_operand, extend_operand,
8007         reg_or_eq_int16_operand, int8_operand, and
8008         reg_or_zero_operand.
8009         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
8010         seth_add3_operand, int8_operand, cmp_int16_operand,
8011         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
8012         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
8013         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
8014         move_double_src_operand, move_dest_operand,
8015         eqne_comparison_operator, signed_comparison_operator,
8016         extend_operand, small_insn_p, large_insn_p,
8017         conditional_move_operand, carry_compare_operand,
8018         m32r_block_immediate_operand): Move to predicates.md.
8019         (MAX_MOVE_BYTES): Move to m32r.h.
8020         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
8021         * config/m32r/m32r.md: Include predicates.md.
8022         * config/m32r/predicates.md: New.
8023
8024         * config/pa/pa-protos.h: Add prototypes for magic_milli and
8025         shadd_constant_p.
8026         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
8027         symbolic_operand, symbolic_memory_operand,
8028         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
8029         indexed_memory_operand, move_dest_operand, move_src_operand,
8030         prefetch_cc_operand, prefetch_nocc_operand,
8031         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
8032         arith_operand, arith11_operand, pre_cint_operand,
8033         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
8034         ireg_operand, int5_operand, uint5_operand, int11_operand,
8035         uint32_operand, arith5_operand, and_operand, ior_operand,
8036         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
8037         pc_or_label_operand, div_operand, plus_xor_ior_operator,
8038         shadd_operand, movb_comparison_operator,
8039         cmpib_comparison_operator): Move to predicates.md.
8040         (magic_milli, shadd_constant_p): Make it extern.
8041         * config/pa/pa.h (PREDICATE_CODES): Remove.
8042         * config/pa/pa.md: Include predicates.md.
8043         * config/pa/predicates.md: New.
8044
8045         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
8046         predicate.
8047
8048 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8049
8050         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
8051         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
8052         config/alpha/freebsd.h, config/alpha/linux.h,
8053         config/alpha/netbsd.h, config/alpha/osf5.h,
8054         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
8055         config/h8300/h8300-protos.h, config/h8300/h8300.c,
8056         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
8057         doc/cppopts.texi: Update copyright.
8058
8059 2005-03-18  Jan Hubicka  <jh@suse.cz>
8060
8061         PR middle-end/20225
8062         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
8063         too late.
8064         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
8065         called too late.
8066
8067 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8068
8069         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
8070         VEC_safe_push.
8071
8072 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
8073
8074         * combine.c (gen_binary): Remove.
8075         (known_cond, simplify_shift_const, find_split_point,
8076         combine_simplify_rtx, simplify_if_then_else, simplify_set,
8077         simplify_logical, expand_field_assignment, extract_left_shift,
8078         force_to_mode, if_then_else_cond, apply_distributive_law,
8079         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
8080         simplify_comparison, reversed_comparison): Replace with
8081         simplify_gen_binary, simplify_gen_relational or
8082         distribute_and_simplify_rtx.
8083         (distribute_and_simplify_rtx): New function.
8084
8085 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
8086             Paolo Bonzini  <gcc.gnu.org>
8087
8088         * calls.c (setjmp_call_p, special_function_p): Update comments
8089         at the head of the functions.
8090
8091 2005-03-18  Jan Hubicka  <jh@suse.cz>
8092
8093         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
8094
8095         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
8096         function body should be released; do not proactively release function
8097         bodies in non-unit-at-a-time mode.
8098
8099 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
8100
8101         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
8102         mno-fp-ret-in-387 multilib variants.
8103
8104 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
8105
8106         * common.opt (m): Remove.
8107         * opts.c (handle_option): Pass 'm' options to set_target_switch if
8108         table lookup fails.
8109         (common_handle_option): Remove OPT_m case.
8110
8111 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8112
8113         * builtins.c (fold_builtin_bitop): Take decomposed arguments
8114         of CALL_EXPR.
8115         (fold_builtin_1): Update a call to fold_builtin_bitop.
8116
8117         * builtins.c (fold_builtin_signbit): Take decomposed arguments
8118         of CALL_EXPR.
8119         (fold_builtin_1): Update a call to fold_builtin_signbit.
8120
8121 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
8122
8123         PR tree-optimization/20474
8124         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
8125         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
8126
8127 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
8128
8129         * config/h8300/h8300-protos.h: Remove prototypes for
8130         general_operand_src, general_operand_dst, single_one_operand,
8131         single_zero_operand, call_insn_operand,
8132         two_insn_adds_subs_operand, small_call_insn_operand,
8133         jump_address_operand, bit_operand, bit_memory_operand,
8134         stack_pointer_operand, const_int_gt_2_operand,
8135         const_int_ge_8_operand, const_int_qi_operand,
8136         const_int_hi_operand, incdec_operand, bit_operator,
8137         nshift_operator, eqne_operator, gtle_operator,
8138         gtuleu_operator, iorxor_operator.
8139         Add prototypes for h8sx_shift_type h8sx_classify_shift and
8140         h8300_ldm_stm_parallel.
8141         * config/h8300/h8300.c (h8sx_shift_type,): Move to
8142         h8300-protos.h.
8143         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
8144         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
8145         (h8300_ldm_stm_parallel): Make it extern.
8146         (h8300_ldm_parallel, h8300_stm_parallel,
8147         h8300_return_parallel, general_operand_src,
8148         general_operand_dst, h8300_dst_operand, h8300_src_operand,
8149         nibble_operand, reg_or_nibble_operand, single_one_operand,
8150         single_zero_operand, call_insn_operand,
8151         two_insn_adds_subs_operand, small_call_insn_operand,
8152         jump_address_operand, bit_operand, bit_memory_operand,
8153         stack_pointer_operand, const_int_gt_2_operand,
8154         const_int_ge_8_operand, const_int_qi_operand,
8155         const_int_hi_operand, incdec_operand, eqne_operator,
8156         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
8157         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
8158         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
8159         nshift_operator): Move to predicates.md.
8160         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
8161         * config/h8300/h8300.md: Include predicates.md.
8162         * config/h8300/predicates.md: New.
8163
8164 2005-03-17  Richard Henderson  <rth@redhat.com>
8165
8166         * config.gcc (ia64*-*-hpux*): Add extra_options.
8167         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
8168         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
8169         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
8170         (ia64_tls_size_string, ia64_tune_string): Remove.
8171         (ia64_tune): Init to PROCESSOR_ITANIUM2.
8172         (TARGET_DEFAULT_TARGET_FLAGS): New.
8173         (TARGET_HANDLE_OPTION): New.
8174         (ia64_override_options): Move options parsing ...
8175         (ia64_handle_option): ... here.  New.
8176         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
8177         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
8178         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
8179         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
8180         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
8181         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
8182         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
8183         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
8184         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
8185         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
8186         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
8187         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
8188         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
8189         TARGET_EARLY_STOP_BITS): Remove.
8190         (TARGET_ILP32): Default false.
8191         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
8192         (enum ia64_inline_type): New.
8193         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
8194         * config/ia64/ia64.md: Update for new definitions of
8195         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
8196         * config/ia64/ia64.opt: New file.
8197         * config/ia64/ilp32.opt: New file.
8198
8199 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8200
8201         PR target/18380
8202         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
8203
8204 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
8205
8206         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
8207         instead of MASK_H8300S.
8208         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
8209         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
8210         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
8211         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
8212         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
8213         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
8214         TARGET_SWITCHES): Remove.
8215         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
8216         TARGET_H8300SX.
8217         * config/h8300/h8300.opt: New.
8218
8219         * config/alpha/alpha.opt, config/arc/arc.opt,
8220         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
8221         notices.
8222
8223 2005-03-17  Ian Lance Taylor  <ian@airs.com>
8224
8225         * gmon.c: Remove.
8226
8227 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
8228
8229         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
8230         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
8231         (TARGET_HANDLE_OPTION): Override default.
8232         (arc_handle_option): New function.
8233         (arc_init): Remove code to set arch_cpu_string.
8234         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
8235         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
8236         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
8237         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
8238         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
8239         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
8240         (arc_rodata_string, TARGET_OPTIONS): Delete.
8241         * config/arc/arc.opt: New file.
8242
8243 2005-03-17  Richard Henderson  <rth@redhat.com>
8244
8245         * doc/extend.texi (Weak Pragmas): New section.
8246         (attribute alias): Clarify that target must be in the same
8247         translation unit.
8248
8249 2005-03-17  Richard Henderson  <rth@redhat.com>
8250
8251         * config/alpha/alpha.opt: New file.
8252         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
8253         of alpha_cpu.
8254         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
8255         alpha_fprm_string, alpha_fptm_string): Make static.
8256         (alpha_tls_size_string): Remove.
8257         (alpha_handle_option): New.
8258         (override_options): Update for alpha_cpu/alpha_tune split.
8259         (alpha_file_start): Likewise.
8260         (TARGET_DEFAULT_TARGET_FLAGS): New.
8261         (TARGET_HANDLE_OPTION): New.
8262         * config/alpha/alpha.h (alpha_tune): Declare.
8263         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
8264         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
8265         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
8266         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
8267         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
8268         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
8269         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
8270         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
8271         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
8272         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
8273         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
8274         (TARGET_DEFAULT): Remove MASK_FP.
8275         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
8276         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
8277         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
8278         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
8279         alpha_tls_size_string): Remove.
8280         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
8281         (attribute tune): Rename from attribute cpu.
8282         * config/alpha/ev4.md: Update to match.
8283         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
8284         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
8285         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
8286         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
8287         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
8288         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
8289
8290 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
8291
8292         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
8293         and return without creating new state if before_nops_num is nonzero.
8294         * config/ia64/ia64.md (first_insn): New attribute.
8295         (alloc): Set it to yes.
8296
8297 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
8298
8299         * tree-vectorizer.c (new_vec_stmt_info): Initialize
8300         STMT_VINFO_SUBVARS to NULL.
8301         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
8302
8303 2005-03-16 Dale Johannesen  <dalej@apple.com>
8304
8305         * rtlanal.c (find_first_parameter_load):  Rewrite to
8306         return actual first param load or the call if none,
8307         instead of first in block, when not all loads exist.
8308
8309 2005-03-16  Roger Sayle  <roger@eyesopen.com>
8310
8311         * optabs.c (expand_copysign_absneg): Make static.
8312         * optabs.h (expand_copysign_absneg): Delete prototype.
8313         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
8314
8315 2005-03-16  Richard Henderson  <rth@redhat.com>
8316
8317         PR middle-end/15700
8318         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
8319         (alias_pairs): Rename from output_defs.
8320         (find_decl_and_mark_needed): Split out from assemble_alias.
8321         (do_assemble_alias): New.
8322         (assemble_output_def): Remove.
8323         (finish_aliases_1, finish_aliases_2): New.
8324         (process_pending_assemble_output_defs): Remove.
8325         (assemble_alias): Defer aliases for which we don't yet have a
8326         non-external decl for the target symbol.
8327         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
8328         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
8329         * toplev.c (compile_file): Use finish_aliases_2 instead of
8330         process_pending_assemble_output_defs.
8331         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
8332         (process_pending_assemble_output_defs): Remove.
8333
8334 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
8335
8336         Fix PR tree-optimization/20489
8337
8338         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
8339         for empty structures.
8340
8341 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
8342
8343         Fix PR tree-optimization/20490
8344
8345         * tree-ssa-pre.c (create_expression_by_pieces): Use
8346         force_gimple_operand on result of fold.
8347
8348 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
8349
8350         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
8351         of closing parenthesis.
8352
8353 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
8354
8355         * builtins.c (expand_movstr): Update a call to
8356         fold_builtin_strcpy.
8357         (expand_builtin_strncpy): Update a call to
8358         fold_builtin_strncpy.
8359         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
8360         arguments of CALL_EXPR.
8361         (fold_builtin_1): Update calls to fold_builtin_strcpy and
8362         fold_builtin_strncpy.
8363         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
8364         * tree.h: Update the prototypes of fold_builtin_strcpy and
8365         fold_builtin_strncpy.
8366
8367 2005-03-16  Steven Bosscher  <stevenb@suse.de>
8368             Dorit Naishlos  <dorit@il.ibm.com>
8369
8370         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
8371         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
8372         error.
8373
8374 2005-03-16  Steven Bosscher  <stevenb@suse.de>
8375
8376         * tree-inline.c (walk_type_fields, walk_tree,
8377         walk_tree_without_duplicates): Move from here...
8378         * tree.c: ...to here.
8379
8380 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
8381
8382         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
8383         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
8384         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
8385         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
8386         (version): Define using $(BASEVER_c).
8387         (Makefile, config.status, build/gcov-iov.o): No longer depends on
8388         version.c.
8389         (version.o): Depend on version files; add custom generation command.
8390         (prefix.o): Define BASEVER on command line.
8391         (s-iov): Depend on version files; adjust command.
8392         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
8393         Add gcc-vers.texi.
8394         (gcc-vers.texi): New rule.
8395         (doc/%.info, doc/%.dvi): Add -I . to command line.
8396         (doc/gccinstall.dvi): Likewise.
8397         (PACKAGE): Delete.  All uses replaced with "gcc".
8398         * aclocal.m4: Do not include gcc-version.m4.
8399         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
8400         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
8401         Set is_release based on contents of DEV-PHASE.
8402         Set gcc_version based on contents of BASE-VER.
8403         Define WIN32_REGISTRY_KEY only if the user overrode the default.
8404         * config.in, configure: Regenerate.
8405         * gccbug.in: Determine version of GCC in use at runtime.
8406         * gcov-iov.c: Get version number and development phase from
8407         command line, not by including version.c.
8408         * intl.c: Replace all uses of PACKAGE with "gcc".
8409         * libada-mk.in: Delete unused "gcc_version" variable.
8410         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
8411         * version.c: (VERSUFFIX): New hook for redistributors; adjust
8412         commentary to match.
8413         (version_string): Put together from pieces.
8414         * config/alpha/x-vms: Do not use $(gcc_version).
8415         * config/i386/t-nwld: Likewise.
8416         * doc/include/gcc-common.texi: Include gcc-vers.texi for
8417         version-GCC and DEVELOPMENT.
8418
8419 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8420
8421         PR tree-optimization/17454
8422         * tree.c (tree_size): Add case for TREE_BINFO.
8423         * fold-const.c (fold_checksum_tree): Only clear the overloaded
8424         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
8425
8426 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8427
8428         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
8429         op1 whilst expanding the signed widenening multiply variant.
8430
8431 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
8432
8433         * toplev.c (display_target_options): Avoid unused variable warning if
8434         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
8435         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
8436         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
8437         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
8438         (mips_isa_info): New variable.
8439         (mips_parse_cpu): Remove the first argument and leave the caller
8440         to report errors.
8441         (TARGET_HANDLE_OPTION): Override default.
8442         (mips_handle_option): New function.  Move option validation code from...
8443         (override_options): ...here.  Update calls to mips_parse_cpu.
8444         * config/mips/mips.h (mips_arch_string, mips_tune_string)
8445         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
8446         (SUBTARGET_TARGET_OPTIONS): Delete.
8447         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
8448         (mno-flush-func, mtune=): New options.
8449
8450 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8451             Richard Henderson  <rth@redhat.com>
8452
8453         * real.c (c4x_single_format, c4x_extended_format): Provide values
8454         for signbit_ro for c4x's single and extended floating point formats.
8455         * optabs.c (expand_copysign): Use the floating point format's
8456         signbit_ro for expanding via expand_copysign_absneg, and it's
8457         signbit_rw field for expanding via expand_copysign_bit.
8458
8459 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
8460
8461         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
8462         known_alignment_for_access_p.
8463         (known_alignment_for_access_p): New.
8464         (do_peeling_for_alignment): Field made int instead of bool and renamed
8465         to peeling_for_alignment.
8466         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
8467         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
8468         functionality used to be in vect_analyze_operations.
8469         (vect_analyze_operations): Code to determine vectorization factor was
8470         moved to vect_determine_vectorization_factor.
8471         (vect_enhance_data_refs_alignment): Update to correct alignment when it
8472         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
8473         factor.
8474         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
8475         be part of vect_analyze_operations).
8476         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
8477         creating the guard condition, as the number of iterations may be
8478         constant.
8479         (slpeel_tree_peel_loop_to_edge): Use new name of
8480         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
8481         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
8482         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
8483         (vect_do_peeling_for_alignment): Use fold.
8484         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
8485
8486         (vect_update_inits_of_dr): Renamed to
8487         vect_update_init_of_dr.
8488         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
8489         (vectorizable_store): Fix assertion to use == instead of =.
8490
8491 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
8492
8493         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
8494         call_used_regs for wCG registers.
8495
8496 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
8497
8498         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
8499         for non-offsettable memory references to cope with outstanding reload
8500         replacements, take 2.
8501
8502 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
8503
8504         PR target/18668
8505         * config/i386/i386.h (x86_fisttp): New.
8506         (TARGET_FISTTP): New macro.
8507         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
8508         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
8509         instruction when fisttp flag is set.
8510         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
8511
8512         * config/i386/i386.md (type attribute): Add fisttp.
8513         (unit attribute): Set to i387 for fisttp type.
8514         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
8515         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
8516         TARGET_FISTTP.
8517         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
8518         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
8519         macros.
8520         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
8521         patterns for TARGET_FISTTP.  Enable patterns for
8522         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
8523         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
8524         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
8525         implement fisttp x87 insn.
8526         (fix_trunc*_i387_fisttp splitters): New patterns.
8527         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
8528         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
8529         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
8530         clobber.
8531         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
8532         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
8533         Implement using mode macros. Disable patterns for TARGET_FISTTP.
8534         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
8535         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
8536         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
8537         Disable patterns for TARGET_FISTTP.
8538         (fix_trunc*_i387 splitters): Implement usign mode macros.
8539         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
8540         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
8541         (fix_trunx*_sse peephole2s): Implement using mode macros.
8542
8543 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
8544
8545         PR rtl-optimization/20291
8546         * combine.c (try_combine): If splitting fails, re-try with
8547         original combined pattern, i.e. before clobber stripping.
8548
8549 2005-03-14  Eric Christopher  <echristo@redhat.com>
8550
8551         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
8552         STACK_GROWS_DOWNWARD.
8553
8554 2005-03-14  Roger Sayle  <roger@eyesopen.com>
8555
8556         * real.h (struct real_format): Split the signbit field into two
8557         two fields, signbit_ro and signbit_rw.
8558         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
8559         mips_double_format, ieee_extended_motorola_format,
8560         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
8561         ieee_extended_intel_128_format, ibm_extended_format,
8562         mips_extended_format, ieee_quad_format, mips_quad_format,
8563         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
8564         i370_double_format, c4x_single_format, c4x_extended_format,
8565         real_internal_format): Update initializers for new field.
8566         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
8567         real_format structure.
8568         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
8569         field of the real_format structure.
8570
8571 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
8572
8573         Fix PR tree-optimization/20458
8574
8575         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
8576         DECL_EXTERNAL on STRUCT_FIELD tags.
8577         (clear_call_clobbered): Ditto.
8578         * tree-ssa-operands.c (note_addressable): Make sure the original
8579         variable doesn't slip into the addressable list if we have
8580         subvars.
8581         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
8582         tags too.
8583
8584 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
8585
8586         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
8587         (-fwide-exec-charset): Likewise.
8588         (-finput-charset): Likewise.
8589         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
8590         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
8591         * c.opt (Wnormalized): New.
8592
8593 2005-03-14  Devang Patel  <dpatel@apple.com>
8594
8595         * doc/invoke.texi: Add reference to Visibility document.
8596
8597 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
8598
8599         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
8600         MASK_SPLIT_ADDRESSES.
8601         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
8602         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
8603         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
8604         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
8605         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
8606         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
8607         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
8608         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
8609         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
8610         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
8611         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
8612         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
8613         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
8614         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
8615         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
8616         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
8617         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
8618         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
8619         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
8620         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
8621         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
8622         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
8623         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
8624         (TARGET_EXPLICIT_RELOCS): Delete.
8625         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
8626         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
8627         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
8628         (override_options): Set MASK_LONG64 if -mint64 is given and no
8629         -mlongXX option is.  Complain about -mint64 -mlong32.
8630         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
8631         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
8632         * config/mips/mips.opt: New file.
8633
8634 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
8635
8636         * config.gcc (extra_options): New variable for listing option files.
8637         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
8638         * configure.ac (extra_opt_files): New AC_SUBST variable.
8639         (tm_file_list, tm_include_list): Include options.h first.
8640         * configure: Regenerate.
8641         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
8642         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
8643         (s-options-h): New rule.
8644         (options.h): Depend on it.
8645         (TEXI_GCCINT_FILES): Add options.texi.
8646         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
8647         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
8648         * target.h (gcc_target): Add default_target_flags and handle_option.
8649         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
8650         (TARGET_HANDLE_OPTION): New macros.
8651         (TARGET_INITIALIZER): Include them.
8652         * opt-functions.awk (opt_args, nth_arg): New functions.
8653         (switch_flags): Handle the "Target" flag.
8654         (var_args): Delete.
8655         (var_name): Use opt_args and nth_arg.
8656         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
8657         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
8658         macros for the "Mask" and "InverseMask" options.
8659         * opts.h (cl_var_cond): New enum.
8660         (cl_option): Replace the "has_set_value" and "set_value" fields with
8661         "var_cond" and "var_value".
8662         (CL_TARGET): New macro.
8663         (option_enabled, print_filtered_help): Declare.
8664         (decode_options): Move definition.
8665         * opts.c (handle_option): Search for the original option before
8666         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
8667         var_cond and var_value fields.  Use targetm.handle_option to handle
8668         target options.
8669         (decode_options): Set target_flags to targetm.default_target_flags.
8670         (print_filtered_help): Make global.  Handle CL_TARGET.
8671         (option_enabled): New function.
8672         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
8673         (display_target_options, set_target_switch, print_switch_values)
8674         (default_pch_valid_p): Guard uses of target_switches with
8675         #ifdef TARGET_SWITCHES.  Also...
8676         (display_target_options): Display the CL_TARGET entries in cl_options.
8677         (set_target_option): Don't complain about the "" option when
8678         TARGET_SWITCHES is undefined.
8679         (print_switch_values): Use option_enabled.
8680         (default_pch_valid_p): Check cl_options[] when looking for something
8681         that has changed the value of target_flags.
8682         * c.opt: Remove documentation from top of file.
8683         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
8684         * doc/sourecebuild.texi: Refer to the new options documentation
8685         instead of c.opt.  Document machine-specific .opt files.
8686         * doc/tm.texi (target_flags): Say that this variable is declared
8687         by options.h.
8688         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
8689         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
8690         an alternative.
8691         * doc/options.texi: New file.
8692
8693 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
8694
8695         PR middle-end/18628
8696         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
8697         register.
8698
8699 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
8700
8701         PR c++/20280
8702         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
8703         temporary variable of pointer type if an lvalues is required.
8704         (gimplify_modify_expr_rhs): Request an rvalue from it.
8705         (gimplify_expr): Pass fallback on.
8706
8707 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8708
8709         * cfgbuild.c: Update comments.
8710
8711 2005-03-14  Roger Sayle  <roger@eyesopen.com>
8712
8713         PR rtl-optimization/17236
8714         * optabs.c (expand_doubleword_mult): New helper function split out
8715         from expand_binop.  Permute the order in which instructions are
8716         emitted to minimize the number of simultaneously live registers.
8717         (expand_binop): Call expand_doubleword_mult to synthesize a double
8718         word multiplication.
8719
8720 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8721
8722         * basic-block.h: Update the prototypes of cached_make_edge and
8723         rtl_make_eh_edge.
8724         * cfg.c (cached_make_edge): Take edge_cache representing one
8725         row of the adjacency matrix of edges.
8726         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
8727         (make_edges): Initialize edge_cache to represent one row of
8728         the adjacency matrix of edges.
8729
8730 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8731
8732         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
8733         New functions.
8734         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
8735         Remove unused removed_phis variable.
8736         (conditional_replacement): Use build1/build2.
8737         (abs_replacement): Use last_and_only_stmt and build1/build2.
8738
8739 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8740
8741         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
8742         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
8743         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
8744         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
8745         * c-common.c (handle_novops_attribute): New function.
8746         (c_common_attribute_table): Add "no vops" entry.
8747         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
8748         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
8749         * tree-ssa-operands.c (get_call_expr_operands): Do not
8750         create virtual operands for calls with ECF_NOVOPS flag.
8751         * tree.h (DECL_IS_NOVOPS): New macro.
8752         (struct tree_decl): Add novops_flag.
8753         (ECF_NOVOPS): New constant.
8754
8755 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
8756
8757         PR target/17688
8758         * config/i386/i386.c (x86_use_himode_fiop): New.
8759         (x86_use_simode_fiop): Rename from x86_use_fiop.
8760         * config/i386/i386.h (x86_use_himode_fiop): Declare.
8761         (TARGET_USE_HIMODE_FIOP): New.
8762         (x86_use_simode_fiop): Rename from x86_use_fiop.
8763         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
8764
8765         * config/i386/i386.md (X87MODEI12): New mode macro define.
8766         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
8767         to implement x87 FP compare with HImode input operands.
8768         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
8769         Use X87MODEI12 mode macro to handle HImode input operands.
8770         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
8771         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
8772         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
8773         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
8774         macro to implement x87 operators with HImode input operands.
8775         (fop splitters): Use X87MODEI12 mode macro to handle HImode
8776         input operands.
8777
8778 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8779
8780         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
8781         integer_zerop.
8782         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
8783         constants invariant.
8784
8785 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8786
8787         * basic-block.h (BB_VISITED): Removed.
8788         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
8789
8790 2005-03-14  Falk Hueffner  <falk@debian.org>
8791
8792         PR bootstrap/20424
8793         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
8794
8795 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8796
8797         * ggc-zone.c: Fix comment typos.
8798
8799         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
8800         stringpool.c, config/mips/mips-protos.h: Update copyright.
8801
8802 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
8803
8804         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
8805         throughout with its typedef, "rtx".
8806         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
8807         (rs6000_tls_symbol_ref_1): Remove inline keyword.
8808         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
8809         regs in comment to match code.
8810
8811 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8812
8813         * except.c (check_handled): Make it static.
8814         * except.h: Remove the corresponding prototype.
8815
8816         * function.c (get_func_frame_size): Make it static.
8817         * function.h: Remove the corresponding type.
8818
8819         * regclass.c (reg_class_superclasses, reg_class_subclasses):
8820         Make them static.
8821         * hard-reg-set.h: Remove the corresponding declarations.
8822
8823         * tree-cfg.c (verify_stmts): Check that
8824         bb_for_stmt (stmt) == bb for every PHI node and statement.
8825
8826 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
8827
8828         * config.gcc: Remove excess indentation.
8829         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
8830
8831 2005-03-13  Roger Sayle  <roger@eyesopen.com>
8832
8833         PR middle-end/19331
8834         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
8835         * fold-const.c (fold_sign_changed_comparison): Likewise.
8836         (fold_binary): Optimize comparisons against widened operands if
8837         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
8838
8839 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8840
8841         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
8842         (sparc_override_options): Initialize it.
8843         (sparc_struct_value_rtx): Set it on the MEM to be returned.
8844
8845 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
8846
8847         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
8848         (reg_or_none500mem_operand): New predicate.
8849         (zero_reg_mem_operand): New predicate.
8850         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
8851         to reg_or_none500mem_operand.
8852         (extendsfdf2_fpr): Add MEM alternative.
8853         (extenddftf2_internal): Change operand2 predicate to
8854         zero_reg_mem_operand.
8855
8856 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8857
8858         * ggc-zone.c: Rewritten.
8859
8860         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
8861         if there are none.
8862         * configure.ac: Define GGC_ZONE for --with-gc=zone.
8863         * config.in: Regenerated.
8864         * configure: Regenerated.
8865         * gengtype.c (write_types_process_field, write_func_for_structure):
8866         Pass new argument to gt_pch_note_object.
8867         * ggc-common.c (struct ptr_data): Add TYPE.
8868         (gt_pch_note_object): Take TYPE argument and save it.
8869         (call_count): Update call to ggc_pch_count_object.
8870         (call_alloc): Update call to ggc_pch_alloc_object.
8871         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
8872         file.
8873         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
8874         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
8875         (ggc_alloc_zone_stat): Delete.
8876         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
8877         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
8878         (ggc_pch_alloc_object): Update prototypes.
8879         (garbage_zone): Delete.
8880         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
8881         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
8882         pointers.
8883         (tree_id_zone): New variable.
8884         (ggc_alloc_cleared_zone): Remove unused.
8885         (ggc_alloc_zone): Define.
8886         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
8887         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
8888         ggc_alloc_zone_stat.
8889         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
8890         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
8891         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
8892         (make_node_stat): Likewise.  Use tree_id_zone.
8893
8894 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8895             Joseph S. Myers  <joseph@codesourcery.com>
8896
8897         * configure.ac: Check for MIPS TLS.
8898         * configure: Regenerated.
8899         * config/mips/mips-protos.h (enum mips_symbol_type): Add
8900         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
8901         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
8902         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
8903         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
8904         (mips_classify_symbol, mips_symbolic_constant_p)
8905         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
8906         (mips_tls_operand_p, mips_call_tls_get_addr)
8907         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
8908         (mips_tls_symbol_ref_1): New functions.
8909         (mips_legitimize_address, mips_legitimize_const_move): Call
8910         mips_legitimize_tls_address.
8911         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
8912         for MIPS16.
8913         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
8914         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
8915         (mips_char_to_class): Document V1_REG.
8916         (HAVE_AS_TLS): Provide default.
8917         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
8918         constants.
8919         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
8920         !TARGET_ABICALLS.
8921         (tls_get_tp_<mode>): New instruction.
8922
8923 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8924
8925         * configure.ac: Update checks for target tools.
8926         * configure: Regenerated.
8927
8928 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8929
8930         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
8931
8932 2005-03-13  Roger Sayle  <roger@eyesopen.com>
8933
8934         * expmed.c (expand_mult): Use synthetic multiplication sequences for
8935         more classes of DImode multiplication by constant.  Allow both
8936         multiplication by small negative constants (by performing a
8937         multiplication by a positive constant and negating the result) and
8938         multiplications by large powers of two, by using a left shift.
8939
8940 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
8941
8942         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
8943         of basic blocks into work_stack.
8944
8945         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
8946         config/mips/vr.h: Update copyright.
8947
8948         * c-decl.c (c_init_decl_processing): Remove useless calls to
8949         build_function_type.
8950
8951         * builtins.c (fold_trunc_transparent_mathfn,
8952         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
8953         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
8954         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
8955         fold_builtin_strcpy, fold_builtin_strncpy,
8956         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
8957         TREE_TYPE (exp).
8958
8959         * builtins.c (expand_builtin_mathfn_3): Remove local variable
8960         before_call.
8961
8962         * lambda-code.c (lambda_compute_auxillary_space): Remove local
8963         variable determinant.
8964
8965         * tree-cfg.c (group_case_labels): Remove local variable type.
8966
8967         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
8968         variable ann.
8969
8970         * tree-ssa-phiopt.c (value_replacement): Remove local variable
8971         result.
8972
8973 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
8974
8975         PR target/18251
8976         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
8977         (*movmemqi_insn): Delete.
8978         (*movmemhi): Delete.
8979
8980 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
8981
8982         * builtins.c (fold_builtin_classify): Take decomposed
8983         arguments of CALL_EXPR.
8984         (fold_builtin_1): Update a call to fold_builtin_classify.
8985
8986 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
8987
8988         PR c/20402
8989         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
8990         through into call to parser_xref_tag after parse error.
8991         (c_parser_struct_declaration): Consistently return NULL_TREE on
8992         error.
8993
8994 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
8995
8996         * tree-flow-inline.h (ref_contains_array_ref): New function.
8997         (lookup_subvars_for_var): Ditto.
8998         (get_subvars_for_var): Ditto.
8999         (var_can_have_subvars): Ditto.
9000
9001         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
9002         (struct subvar): New type.
9003
9004         * tree-dfa.c (okay_component_ref_for_subvars): New function.
9005
9006         * tree-optimize.c (init_tree_optimization_passes): Call
9007         pass_create_structure_vars.
9008
9009         * tree-ssa-alias.c: Include vec.h.
9010         (init_alias_info): Don't auto-clear call clobbered on struct-field
9011         tags.
9012         (compute_flow_insensitive_aliasing): Handle subvars.
9013         (group_aliases): Handle STRUCT_FIELD aliases.
9014         (setup_pointers_and_addressables): Ditto.
9015         Don't mark variables non-addressable if they still have
9016         addressable subvars.
9017         Also mark subvars addressable when the real variable is marked
9018         addressable.
9019         (add_pointed_to_var): Try to prune the pointed-to set by only
9020         pointing to subvars when possible.
9021         Otherwise, make sure we set addresses_needed and pt_vars to
9022         properly include subvars.
9023         (bitpos_of_field): New function.
9024         (push_fields_onto_fieldstack): Ditto.
9025         (get_or_create_used_part_for): Ditto.
9026         (create_overlap_variables_for): Ditto.
9027         (find_used_portions): Ditto.
9028         (create_structure_vars): Ditto.
9029         (pass_create_structure_vars): New structure.
9030
9031         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
9032         (get_expr_operands): Handle subvars.  Also try to turn
9033         COMPONENT_REF accesses into must-defs now that we can accurately
9034         portray it.
9035         (note_addressable): Try to only mark as addressable those subvars
9036         we know a COMPONENT_REF touches.
9037         (overlap_subvar): New function.
9038
9039         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
9040         Handle subvar storing.
9041         (vect_address_analysis): Update caller of vect_object_analysis.
9042
9043         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
9044
9045         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
9046         (STMT_VINFO_SUBVARS): New macro.
9047
9048         * common.opts: add flag_tree_salias.
9049
9050         * opts.c (decode_options): flag_tree_salias defaults to on.
9051
9052         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
9053
9054         * doc/tree-ssa.texi: Document structural alias analysis.
9055
9056 2005-03-12  Steven Bosscher  <stevenb@suse.de>
9057
9058         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
9059         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
9060         * tree-ssa-operands.c (get_expr_operands): Likewise.
9061         (get_expr_operands): Likewise for ERROR_MARK.
9062
9063 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
9064
9065         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
9066         var.
9067
9068         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
9069         removed_phis.
9070
9071         * tree-ssa-pre.c (compute_avail): Remove local variable val.
9072         (mark_operand_necessary): Remove local variable ver.
9073
9074         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
9075         variable prefix_len.
9076
9077         * value-prof.c (mod_subtract_transform): Remove local variable
9078         value.
9079
9080         * builtins.c (fold_builtin_exponent): Take decomposed
9081         arguments of CALL_EXPR.
9082         (fold_builtin_1): Update a call to fold_builtin_exponent.
9083
9084         * builtins.c (fold_builtin_logarithm): Take decomposed
9085         arguments of CALL_EXPR.
9086         (fold_builtin_1): Update a call to fold_builtin_logarithm.
9087
9088         * c-decl.c (c_init_decl_processing): Remove local variables
9089         ptr_ftype_void and ptr_ftype_ptr.
9090
9091         * gimplify.c (gimplify_expr): Remove local variables r0 and
9092         r1.
9093
9094         * reg-stack.c (move_for_stack_reg): Remove local variable
9095         push_insn.
9096         (compare_for_stack_reg): Remove local variable flags_user.
9097         (convert_regs_1): Remove local variable deleted.
9098
9099         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
9100         variable new_cond.
9101         (combine_blocks): Remove local variables exits and new_e.
9102
9103         * tree-inline.c (expand_call_inline): Remove local variable
9104         decl.
9105
9106         * tree-ssa-live.c (create_ssa_var_map,
9107         calculate_live_on_entry): Remove local variable snn.
9108
9109 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
9110
9111         * c-lex.c (c_lex_with_flags): Add parameter to call to
9112         cpp_spell_token.
9113
9114 2005-03-11  Per Bothner  <per@bothner.com>
9115
9116         * c-tree.h (struct c_declarator): New id_loc field.
9117         * c-pragma.h (c_lex_with_flags): Take position reference.
9118         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
9119         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
9120         (c_lex): Pass dummy location to c_lex_with_flags.
9121         * c-parser.c (c_lex_one_token): Set c_token's location using
9122         c_lex_with_flags, instead of input_location, which might be "ahead".
9123         (c_parser_direct_declarator): Set declarator's id_loc from
9124         c_token's id_loc.
9125         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
9126         declarator's id_loc, rather than probably-imprecise input_location.
9127         (build_id_declarator): Initialize c_declarator's id_loc field.
9128
9129 2005-03-11  Roger Sayle  <roger@eyesopen.com>
9130
9131         PR middle-end/20419
9132         * builtins.c (expand_builtin_signbit): Force the signbit's word
9133         into an integer register to avoid SUBREGs of floating point modes.
9134
9135 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
9136
9137         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
9138         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
9139         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
9140         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
9141
9142 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
9143
9144         PR rtl-optimization/20306
9145         * expr.c (emit_move_complex): Set try_int false if mode is
9146         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
9147         emit_block_move if try_int is true.
9148
9149 2005-03-11  Richard Henderson  <rth@redhat.com>
9150
9151         PR target/20415
9152         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
9153         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
9154         to match.
9155
9156 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
9157
9158         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
9159         (TARGET_FIX_VR4130): New macro.
9160         (TARGET_OPTIONS): Add -mfix-vr4130.
9161         (ISA_HAS_MACCHI): New macro.
9162         (ASM_SPEC): Add -mfix-vr4130.
9163         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
9164         (override_options): Handle mips_fix_vr4130_string.
9165         (mips_avoid_hazards): Clear all_noreorder_p
9166         if we're working around VR4130 errata and the macc alternatives
9167         are not available.
9168         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
9169         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
9170         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
9171         (MULTILIB_DEFAULTS): Remove leading "march=".
9172         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
9173         if no architecture option is given.
9174         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
9175         VR4130 multilibs.
9176         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
9177         * doc/invoke.texi: Document -mfix-vr4130.
9178
9179 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
9180
9181         * config/mips/mips.c (override_options): Only warn about -mint64
9182         deprecation if TARGET_INT64.
9183
9184 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9185
9186         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
9187         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
9188         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
9189         are non-specific regarding the nonnull parameter positions.
9190         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
9191         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
9192         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
9193         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
9194
9195         * builtins.def: Use the non-specific "nonnull" attibute lists.
9196
9197 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
9198
9199         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
9200         single_pred_edge, single_succ, single_pred): Improve comments.
9201
9202 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
9203
9204         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
9205         single_pred_edge, single_succ, single_pred): New inline functions.
9206         * bb-reorder.c (rotate_loop, find_traces_1_round,
9207         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
9208         duplicate_computed_gotos): Use the single_succ/pred functions.
9209         * cfganal.c (forwarder_block_p): Ditto.
9210         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
9211         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
9212         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
9213         merge_seq_blocks): Ditto.
9214         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
9215         * cfglayout.c (fixup_reorder_chain): Ditto.
9216         * cfgloop.c (mark_single_exit_loops, update_latch_info,
9217         canonicalize_loop_headers, verify_loop_structure): Ditto.
9218         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
9219         mfb_update_loops, create_preheader, force_single_succ_latches,
9220         create_loop_notes): Ditto.
9221         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
9222         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
9223         commit_one_edge_insertion, purge_dead_edges,
9224         cfg_layout_can_merge_blocks_p): Ditto.
9225         * except.c (sjlj_emit_function_enter): Ditto.
9226         * flow.c (init_propagate_block_info): Ditto.
9227         * function.c (thread_prologue_and_epilogue_insns): Ditto.
9228         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
9229         insert_insn_end_bb): Ditto.
9230         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
9231         find_if_case_2): Ditto.
9232         * lambda-code.c (perfect_nestify): Ditto.
9233         * lcm.c (optimize_mode_switching): Ditto.
9234         * loop-doloop.c (doloop_modify): Ditto.
9235         * loop-init.c (loop_optimizer_init): Ditto.
9236         * loop-iv.c (simplify_using_initial_values): Ditto.
9237         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
9238         * loop-unswitch.c (unswitch_loop): Ditto.
9239         * modulo-sched.c (generate_prolog_epilog): Ditto.
9240         * predict.c (combine_predictions_for_insn, estimate_probability,
9241         tree_estimate_probability, last_basic_block_p,
9242         estimate_bb_frequencies): Ditto.
9243         * profile.c (branch_prob): Ditto.
9244         * regrename.c (copyprop_hardreg_forward): Ditto.
9245         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
9246         * tracer.c (layout_superblocks): Ditto.
9247         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
9248         cfg_remove_useless_stmts_bb, cleanup_control_flow,
9249         cleanup_control_expr_graph, disband_implicit_edges,
9250         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
9251         tree_verify_flow_info, tree_make_forwarder_block,
9252         tree_forwarder_block_p, remove_forwarder_block,
9253         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
9254         * tree-if-conv.c (tree_if_conversion): Ditto.
9255         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
9256         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
9257         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
9258         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
9259         copy_loop_headers): Ditto.
9260         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
9261         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
9262         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
9263         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
9264         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
9265         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
9266         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
9267         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
9268         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
9269         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
9270         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
9271         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
9272         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
9273         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
9274         slpeel_add_loop_guard): Ditto.
9275
9276 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
9277
9278         PR tree-optimization/15784
9279         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
9280         and -1 - A to ~A.
9281
9282         * stmt.c (expand_case): Don't change index_type.  Convert minval
9283         to the proper type.
9284
9285         PR tree-optimization/20130
9286         * fold-const.c (fold): Fold x * -1 into -x.
9287
9288 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
9289
9290         PR rtl-optimization/20331
9291         * rtlanal.c (modified_between_p): Check its address first for MEM.
9292         (modified_in_p): Likewise.
9293
9294 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
9295
9296         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
9297
9298 2005-03-10  Steven Bosscher  <stevenb@suse.de>
9299
9300         * expr.c (expand_expr_real_1): If possible, use a conditional
9301         move for expanding MIN_EXPR and MAX_EXPR.
9302         Use temp for moving around rtx-en.
9303
9304 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
9305
9306         PR rtl-opt/20412
9307         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
9308         correct mode.
9309
9310 2005-03-10  Roger Sayle  <roger@eyesopen.com>
9311
9312         * builtins.c (expand_builtin_signbit): Extend to handle floating
9313         point modes wider than the largest integer type, using the
9314         operand_subword_force function to obtain the signbit's word.
9315
9316 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
9317
9318         PR target/20322
9319         * combine.c (try_combine): If recog_for_combine added CLOBBERs
9320         to NEWI2PAT, fail to combine if they are used by NEWPAT.
9321
9322 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
9323
9324         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
9325
9326 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
9327
9328         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
9329         type void.
9330         (perform_edge_inserts): Unconditionally call
9331         free_dominator_info.
9332
9333         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
9334
9335 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
9336
9337         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
9338
9339 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
9340
9341         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
9342
9343         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
9344         gcc_unreachable.
9345         (rtl_register_value_prof_hooks,
9346         tree_value_profile_transformations,
9347         tree_register_value_prof_hooks): Likewise.
9348         * var-tracking.c (stack_adjust_offset_pre_post,
9349         variable_htab_free, variable_union, dataflow_set_different_2,
9350         count_uses, variable_was_changed, set_frame_base_location,
9351         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
9352         vt_add_function_parameters): Likewise.
9353         * varasm.c (named_section_real, named_section, make_decl_rtl,
9354         asm_emit_uninitialised, assemble_integer, decode_addr_const,
9355         const_hash_1, compare_constant, copy_constant, force_const_mem,
9356         output_constant_pool_2, output_constant_pool_1, output_constant,
9357         output_constructor, make_decl_one_only, decl_tls_model,
9358         default_no_named_section, default_elf_select_section_1,
9359         default_unique_section_1): Likewise.
9360         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
9361         * vmsdbgout.c (addr_const_to_string): Likewise.
9362
9363         PR c++/20375
9364         * function.c (struct assign_parm_data_one): Remove last_named
9365         field.
9366         (assign_parm_find_data_types): Don't determine last_named.
9367         Reorder named_parm determination.
9368         (assign_parms): Only setup varargs on the last non-varadic
9369         parameter.
9370
9371 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
9372
9373         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
9374         sda base address on medium model.
9375
9376 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
9377
9378         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
9379         * cfgloop.c (flow_loop_nodes_find): Export.
9380         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
9381         Declare.
9382         * cfgloopmanip.c (fix_loop_structure): New function.
9383         * predict.c (predict_loops): Clean up the loops information.
9384         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
9385         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
9386         loop structure.
9387         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
9388         (rewrite_into_loop_closed_ssa): Declaration changed.
9389         * tree-loop-linear.c (linear_transform_loops): Add argument to
9390         rewrite_into_loop_closed_ssa call.
9391         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9392         * tree-ssa-loop-im.c (move_computations): Ditto.
9393         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9394         * tree-vectorizer.c (vectorize_loops): Ditto.
9395         * tree-optimize.c: Include cfgloop.h.
9396         (execute_todo): Choose whether to call cleanup_tree_cfg or
9397         cleanup_tree_cfg_loop.
9398         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
9399         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
9400         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
9401         cleanup_tree_cfg_loop call.
9402         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
9403         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
9404         work on part of cfg.
9405
9406 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
9407
9408         PR inline-asm/20314
9409         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
9410         with multiple alternatives.
9411
9412         * stmt.c (parse_output_constraint): Fix a typo.
9413
9414 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
9415
9416         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
9417         assembly directive instead of deprecated "no-generics".
9418
9419 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
9420
9421         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
9422         for non-offsettable memory references to cope with outstanding reload
9423         replacements.
9424         * config/s390/s390.md ("reload_outti"): Call find_replacement to
9425         avoid losing outstanding address reloads.
9426         ("reload_outdi", "reload_outdf"): Likewise.
9427
9428 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9429
9430         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
9431         code.  Add more cbrt transformations.
9432
9433 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9434
9435         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
9436
9437 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
9438
9439         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
9440         NULL_TREE when a given tree is not simplified.
9441         (fold): Return the original tree when any of the functions
9442         mentioned above NULL_TREE.
9443
9444         * fold-const.c (fold_unary, fold_binary): Take decomposed
9445         arguments, code, type, op0, and op1 in case of fold_binary.
9446         (fold): Update calls to fold_unary and fold_binary.
9447
9448 2005-03-09  Roger Sayle  <roger@eyesopen.com>
9449
9450         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
9451         a fndecl and an arglist instead of a CALL_EXPR, exp.
9452
9453 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
9454
9455         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
9456
9457         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
9458
9459         * expr.c (expand_assignment): Remove orig_to_rtx.
9460
9461         * fold-const.c (int_const_binop): Remove no_overflow.
9462
9463         * ifcvt.c (noce_emit_move_insn): Remove inmode.
9464
9465         * loop-iv.c (get_biv_step_1): Remove lhs.
9466
9467         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
9468
9469         * real.c (real_nan): Remove neg.
9470
9471         * function.c (thread_prologue_and_epilogue_insns): Remove i
9472         and newinsn.
9473
9474         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
9475         tb.
9476
9477         * tree-eh.c (tree_could_trap_p): Remove idx.
9478
9479         * tree-into-ssa.c (ann): Remove ann.
9480
9481         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
9482
9483         * tree-sra.c (decide_block_copy): Remove inst_count.
9484
9485         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
9486
9487         * tree-ssa-loop-im.c (lhs): Remove.
9488
9489         * cfgbuild.c (state, STATE, SET_STATE,
9490         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
9491         make_edges.
9492         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
9493         (find_basic_blocks): Set the state of each basic block to
9494         BLOCK_NEW.
9495
9496 2005-03-08  Jeff Law  <law@redhat.com>
9497
9498         * tree-cfg.c (cleanup_control_flow): If removal of a computed
9499         goto results in the removal of edges in the CFG, then we need
9500         to recompute dominators.
9501
9502 2005-03-09  Ben Elliston  <bje@au.ibm.com>
9503
9504         * c-common.c (c_do_switch_warnings): Comment fix.
9505
9506 2005-03-08  Julian Brown  <julian@codesourcery.com>
9507
9508         * Patch from 2005-03-08 reverted for causing regressions and
9509         ppc-darwin bootstrap failure.
9510
9511 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
9512
9513         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
9514         Define the real function for ppc-darwin.
9515         * c-typeck.c (convert_arguments): Check for target-specific
9516         invalid argument call to unprototyped function.
9517         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
9518         New Macro.
9519         * target.h (invalid_arg_for_unprototyped_fn): New field
9520         in struct calls.
9521         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
9522         default target hook.
9523         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
9524         Declare.
9525
9526 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9527
9528         * c-typeck.c (constructor_stack, constructor_range_stack,
9529         initializer_stack): Make them static.
9530
9531         * cfg.c (rbi_pool): Make it static.
9532
9533         * gimple-low.c (lower_stmt_body): Make it static.
9534         * tree-flow.h: Remove the corresponding prototype.  Don't
9535         declare lower_data.
9536
9537         * sched-deps.c (cache_size): Make it static.
9538
9539         * stor-layout.c (lang_adjust_rli): Make it static.
9540
9541 2005-03-08  Julian Brown  <julian@codesourcery.com>
9542
9543         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
9544         from being used for symbols with vague linkage when
9545         HAVE_GAS_COMDAT_GROUP is true.
9546
9547 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
9548
9549         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
9550         nlabel == JUMP_LABEL (jump).
9551
9552 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9553
9554         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
9555         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
9556         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
9557         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
9558
9559 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
9560
9561         PR c/14411
9562         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
9563         * c-common.c (handle_returns_twice): New function.
9564         (c_common_attribute_table): Declare eturns_twice' attribute.
9565         * doc/extend.texi: Document eturns_twice' attribute.
9566         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
9567         (struct tree_decl): Add returns_twice_flag.
9568
9569 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9570
9571         * tree-ssa-phiopt.c: Fix a comment typo.
9572
9573         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
9574         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
9575         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
9576         copyright.
9577
9578 2005-03-08  Richard Henderson  <rth@redhat.com>
9579
9580         * config/alpha/alpha.c (code_for_builtin): Replace special-case
9581         builtin codes with ctzdi2, clzdi2, popcountdi2.
9582         (struct alpha_builtin_def): Add is_const.
9583         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
9584         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
9585         (alpha_init_builtins): Init them.  Set nothrow and const attributes
9586         on builtins.
9587         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
9588         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
9589         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
9590         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
9591         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
9592         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
9593         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
9594         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
9595         (TARGET_FOLD_BUILTIN): New.
9596         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
9597         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
9598         (ffsdi2): Use ctz.
9599         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
9600
9601 2005-03-08  Ira Rosen  <irar@il.ibm.com>
9602
9603         PR tree-optimization/20122
9604         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
9605         condition of access function instead of base.
9606
9607 2005-03-07  Jeff Law  <law@redhat.com>
9608             Steven Bosscher  <stevenb@suse.de>
9609
9610         * tree-cfg.c (find_taken_edge_computed_goto): New function.
9611         (find_taken_edge): Call find_taken_edge_computed_goto as
9612         appropriate.  Allow any gimple invariant rather than just
9613         INTEGER_CST for VAL.
9614         (cleanup_control_flow): Cleanup a computed goto which has turned
9615         into a simple goto.
9616         (tree_merge_blocks): If block B has any forced labels, move
9617         them to the start of block A.
9618         * tree-ssa-dom.c (thread_across_edge): Allow threading across
9619         computed gotos as well.
9620         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
9621         removal of unnecessary computed gotos too.
9622         (lookup_redirection_data): Fix type of INSERT argument.  Callers
9623         updated.
9624
9625 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9626
9627         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
9628         Remove trailing spaces.
9629
9630         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
9631         unshare_all_trees): Make them static.
9632         * tree-gimple.h: Remove the corresponding prototypes.
9633
9634         * diagnostic.h: Remove unused prototype
9635         debug_output_buffer.
9636         * modulo-sched.c: Remove unused prototype
9637         set_row_column_for_ps.
9638
9639         * tree-ssa-phiopt.c (tree_ssa_phiopt,
9640         replace_phi_edge_with_variable): Remove unused variable i.
9641
9642 2005-03-07  Per Bothner  <per@bothner.com>
9643
9644         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
9645
9646 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
9647
9648         PR tree-opt/17671
9649         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
9650         bbs on the COND_EXPR instead of the PHI_NODEs.
9651         (candidate_bb_for_phi_optimization): Remove.
9652         (replace_phi_with_stmt): Rename to ...
9653         (replace_phi_edge_with_variable): this and change so that we
9654         replace the phi argument instead of removing the PHI.
9655         (conditional_replacement): Change so we deal with PHI with more
9656         than two arguments.
9657         (value_replacement): Likewise.
9658         (abs_replacement): Likewise.
9659
9660 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
9661
9662         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
9663         output_e500_flip_gt_bit.
9664
9665         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
9666         as bit 31.
9667         (rs6000_generate_compare): Fix logic to look at the correct bits.
9668         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
9669         Look at GT bit.
9670         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
9671         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
9672         gen_move_from_CR_gt_bit.
9673
9674         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
9675         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
9676         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
9677
9678         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
9679         (E500_CR_IOR_COMPARE): New constant.
9680
9681 2005-03-08  Earl Chew <earl_chew@agilent.com>
9682             David Billinghurst <David.Billinghurst@riotinto.com>
9683
9684         * config/i386/host-cygwin.c: New file to support precompiled
9685         headers on cygwin
9686         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
9687         * config.host: Use above files for cygwin host.
9688
9689 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
9690
9691         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
9692         ordering ops from earlier change.
9693
9694 2005-03-07  Per Bothner  <per@bothner.com>
9695
9696         Various fixes to allow us to again build if --enable-mapped-location:
9697         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
9698         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
9699         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
9700         local variable loc. Change logic appropriately.
9701         * tree-vect-transform.c (vect_finish_stmt_generation): Use
9702         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
9703         * c-parser.c (c_parser_for_statement): Initialize loc variable.
9704         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
9705         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
9706
9707 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
9708
9709         PR rtl-optimization/19683
9710         * reload1.c (choose_reload_regs): Pass the number of bits, not the
9711         number of bytes, to smallest_int_for_mode.  Fix arguments to
9712         REG_CANNOT_CHANGE_MODE_P.
9713
9714 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9715
9716         * reorg.c (relax_delay_slots): Check that the jump is
9717         conditional before trying to invert it.
9718
9719 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
9720
9721         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
9722         Make them static.
9723
9724         * calls (stack_arg_under_construction): Make it static.
9725
9726         * flow.c (regs_live_at_setjmp): Make it static.
9727         * flow.h: Remove the corresponding prototype.
9728
9729         * reload1.c (reload_startobj, reload_firstobj,
9730         something_needs_operands_changed, reload_inherited,
9731         reload_inheritance_insn, reload_override_in,
9732         reload_spill_index): Make them static.
9733
9734         * recog.c (verify_changes): Make it static.
9735         * recog.h: Remove the corresponding prototype.
9736
9737         * cfgbuild.c (find_sub_basic_blocks): Remove.
9738         * basic-block.h: Remove the corresponding prototype.
9739         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
9740         in comments.
9741         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
9742
9743         * tree-ssa-operands.c (check_build_stmt): Remove.
9744
9745         * stor-layout.c (set_alignment): Remove.
9746         * tree.h: Remove the corresponding prototype.
9747
9748         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
9749
9750         * tree-ssa-dce.c (control_dependence_map,
9751         visited_control_parents): Make them static.
9752
9753         * cfghooks.c (verify_flow_info): Remove local variable
9754         num_bb_notes.
9755
9756         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
9757         last_bb_seen.
9758
9759         * loop-unswitch.c (unswitch_loop): Remove local variable src.
9760
9761 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
9762
9763         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
9764
9765 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
9766
9767         * config/ia64/hpux.h (LINK_SPEC): Add -z.
9768         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
9769         PARALLEL for an empty structure.
9770
9771 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
9772
9773         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
9774
9775         * fold-const.c (fold_binary): Unroll the very first "for"
9776         loop.
9777
9778 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
9779
9780         * config/rs6000/predicates.md (branch_comparison_operator): Remove
9781         redundant match_code test.
9782         (scc_comparison_operator): Swap match_operand and match_code
9783         tests.
9784         (branch_positive_comparison_operator): Same.
9785         (trap_comparison_operator): Use comparison_operator and swap with
9786         match_code test.
9787
9788 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
9789
9790         PR target/20288
9791         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
9792         (out_movhi_r_mr): Read low byte of volatile MEM first.
9793         (out_movhi_mr_r): Write high byte of volatile MEM first.
9794
9795 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9796
9797         * cselib.c (reg_values, reg_values_size): Make them static.
9798
9799         * cse.c (cse_reg_info_table): Make it static.
9800
9801         * fold-const.c (fold_unary): Use build1 instead of copy_node.
9802
9803 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
9804
9805         * cse.c (find_best_addr): Use canon_for_address.
9806
9807 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
9808
9809         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
9810         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
9811         SUBREG and MEM, respectively.
9812
9813         * fold-const.c (fold_binary): Use code instead of t.
9814
9815         * fold-const.c (optimize_minmax_comparison): Take decomposed
9816         arguments code, type, op0, and op1 instead of t.
9817         (fold_binary): Update a call to optimize_minmax_comparison.
9818
9819         * fold-const.c (fold_range_test): Take decomposed arguments
9820         code, type, op0, and op1 instead of t.
9821         (fold_binary): Update a call to fold_range_test.
9822
9823         * fold-const.c (fold_binary_op_with_conditional_arg): Take
9824         decomposed arguments code, type, op0, and op1 instead of t.
9825         (fold_binary): Update a call to fold_range_test.
9826
9827 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
9828
9829         * fold-const.c (fold_binary): Avoid directly using the original
9830         expression t as much as possible.
9831
9832 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9833
9834         * c-semantics.c (build_stmt): Use TYPE_P instead of
9835         IS_NON_TYPE_CODE_CLASS.
9836         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
9837         (NON_TYPE_CHECK): Use TYPE_P instead of
9838         IS_NON_TYPE_CODE_CLASS.
9839
9840         * fold-const.c (fold): Remove handling of binary expressions.
9841
9842 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
9843
9844         * doc/c-tree.texi: Wrap comments in @r{}.
9845         * doc/cpp.texi: Likewise.
9846         * doc/cppinternals.texi: Likewise.
9847         * doc/extend.texi: Likewise.
9848         * doc/md.texi: Likewise.
9849         * doc/objc.texi: Likewise.
9850         * doc/sourcebuild.texi: Likewise.
9851         * doc/tm.texi: Likewise.
9852         * doc/tree-ssa.texi
9853
9854 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9855
9856         * predict.c (apply_return_prediction): Standardize PHI chain
9857         walking.
9858         * tree-ssa.c (ssa_redirect_edge): Likewise.
9859
9860         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
9861         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
9862         Update copyright.
9863
9864         * tree-phinodes.c (remove_phi_node): Drop the last argument.
9865         * tree-flow.h: Adjust the prototype for remove_phi_node.
9866         * lambda-code.c (perfect_nestify): Adjust a call to
9867         remove_phi_node.
9868         * tree-cfg.c
9869         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
9870         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
9871         Likewise.
9872         * tree-ssa-dce.c (remove_dead_phis): Likewise.
9873         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9874         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9875         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
9876
9877         * combine.c (simplify_and_const_int): Use gen_int_mode instead
9878         of GEN_INT (trunc_int_for_mode (...)).
9879         * loop-iv.c (iv_number_of_iterations): Likewise.
9880         * postreload.c (reload_cse_move2add): Likewise.
9881         * simplify-rtx.c (simplify_const_unary_operation,
9882         simplify_const_binary_operation): Likewise.
9883         * stor-layout.c (get_mode_bounds): Likewise.
9884
9885         * fold-const.c (fold_binary): New.
9886         (fold): Call fold_binary on binary expressions.
9887
9888 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
9889
9890         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
9891         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
9892         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
9893         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
9894         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
9895
9896 2005-03-04  Devang Patel  <dpatel@apple.com>
9897
9898         PR tree-optimization/18815
9899         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
9900         loops with zero exit edges.
9901
9902 2005-03-04  Devang Patel  <dpatel@apple.com>
9903
9904         * doc/invoke.texi: Remove reference to webpage that does not exist.
9905
9906 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
9907             Joseph S. Myers  <joseph@codesourcery.com>
9908
9909         PR c++/19797
9910         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
9911         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
9912         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
9913         * pa.c (get_plabel): Change argument to symbol_ref.  Call
9914         maybe_get_identifier instead of get_identifier.
9915         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
9916         (struct deferred_plabel): Replace name field with symbol field.
9917         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
9918         ASM_OUTPUT_EXTERNAL_REAL is defined.
9919         (output_global_address): Use output_addr_const for output of all
9920         symbol_refs.
9921         (output_deferred_plabels): Use symbol_ref instead of name for address
9922         output.
9923         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
9924         ASM_OUTPUT_SYMBOL_REF): New macros.
9925         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
9926         comment.
9927         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
9928         label.
9929
9930 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
9931
9932         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
9933         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
9934
9935 2005-03-04  Jeff Law  <law@redhat.com>
9936
9937         * basic-block.h (rediscover_loops_after_threading): Declare.
9938         * tree-ssa-dom.c: Include cfgloop.h.
9939         (tree_ssa_dominator_optimize): Discover loops and some basic
9940         properties.  Remove forwarder blocks recreated by loop header
9941         canonicalization.  Also mark backedges in the CFG.
9942         * tree-ssa-threadupdate.c: Include cfgloop.h
9943         (rediscover_loops_after_threading): Define.
9944         (struct local_info): New field, JUMP_THREADED.
9945         (prune_undesirable_thread_requests): New function.
9946         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
9947         then record that fact for the callers of redirct_edges.
9948         (thread_block): If BB has incoming backedges, then call
9949         prune_undesirable_thraed_requests.    Note when we are
9950         going to have to rediscover loop information.  Return a
9951         boolean indicating if any jumps were threaded.
9952         (thread_through_all_blocks): Bubble up boolean indicating
9953         if any jumps were threaded.
9954         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
9955         (tree-ssa-threadupdate.o): Similarly.
9956
9957 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9958
9959         * fold-const.c (fold_ternary): Unroll the "for" loop to
9960         extract operands.
9961
9962 2005-03-04  Andrew Haley  <aph@redhat.com>
9963
9964         * unwind-dw2-fde-glibc.c (struct
9965         unw_eh_callback_data.check_cache): New field.
9966         (frame_hdr_cache): New.
9967         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
9968         Cache frame header info.
9969
9970 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
9971
9972         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
9973         (print_c_condition): Declare.
9974         * read-rtl.c (ptr_loc): New structure.
9975         (ptr_locs, ptr_loc_obstack, joined_conditions)
9976         (joined_conditions_obstack): New variables.
9977         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
9978         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
9979         (join_c_conditions, print_c_condition): New functions.
9980         (apply_macro_to_string): Associate the new string with the same
9981         source location as the old one.
9982         (add_condition_to_string): Use join_c_conditions.
9983         (read_string): Use set_rtx_ptr_loc to record a filename and line
9984         number for the string.
9985         (read_rtx): Initialize the new variables above.
9986         * genattrtab.c (write_test_expr, write_attr_value): Use
9987         print_c_condition.
9988         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
9989         comment above the GCC_VERSION check.
9990         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
9991         Inline the definition of MAYBE_EVAL.
9992         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
9993         * genoutput.c (process_template): Likewise.
9994         * genpreds.c (write_predicate_subfunction): Likewise.
9995         (write_predicate_expr): Use print_c_condition.
9996         * genrecog.c (write_cond): Likewise.
9997         * gensupport.c (process_rtx): Use join_c_conditions to join the
9998         conditions of a define_insn_and_split.  Record a source location
9999         for the string after the "&&".
10000         (alter_test_for_insn): Use join_c_conditions.
10001
10002 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
10003
10004         Revert for now:
10005         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
10006         PR tree-optimization/15784
10007         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
10008         and -1 - A to ~A.
10009
10010 2005-03-04  Ben Elliston  <bje@au.ibm.com>
10011
10012         * gcc.c (option_map): Add --coverage.
10013         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
10014         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
10015         * config/darwin.h: Pass -lgcov for `coverage'.
10016         * doc/invoke.texi (Debugging Options): Document --coverage.
10017
10018 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
10019
10020         * gcse.c (bypass_block): Use find_edge wherever possible.
10021
10022 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
10023
10024         Fix PR debug/20253
10025
10026         * c-opts.c (c_common_parse_file): Call start_source_file
10027         and end_source_file at the approriate times.
10028
10029         * dwarf2out.c (dwarf2out_finish): Don't auto-end
10030         the main file, it will be done for us now.
10031
10032 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
10033
10034         * fold-const.c (fold_ternary): New.
10035         (fold): Call fold_ternary on ternary expressions.  Remove
10036         handling of ternary expressions.
10037
10038 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
10039
10040         PR tree-optimization/15784
10041         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
10042         and -1 - A to ~A.
10043
10044 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
10045
10046         * config/rs6000/predicates.md (branch_comparison_operator):
10047         Convert from C block to conditional format.
10048
10049 2005-03-03  Jan Hubicka  <jh@suse.cz>
10050
10051         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
10052         and non-constant public variables.
10053
10054 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
10055
10056         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
10057         with LABEL_EXPR.
10058
10059         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
10060         EDGE_I.
10061
10062         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
10063         calls to release_ssa_name and release_phi_node.
10064
10065         * fold-const.c (fold): Remove handling of unary expressions.
10066
10067         * fold-const.c (fold_unary): Avoid directly using the original
10068         expression t as much as possible.
10069
10070 2005-03-03  Roger Sayle  <roger@eyesopen.com>
10071             Andrew Pinski  <pinskia@physics.uc.edu>
10072
10073         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
10074         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
10075
10076 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
10077
10078         Describe special registers SRP and MOF as allocatable registers.
10079         * config/cris/cris.c (cris_md_asm_clobbers): New function.
10080         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
10081         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
10082         TARGET_HAS_MUL_INSNS.
10083         (cris_print_operand) <case 'd'>: New case.
10084         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
10085         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
10086         define.
10087         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
10088         (REG_ALLOC_ORDER): Update for MOF.
10089         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
10090         SPECIAL_REGS.
10091         (GENERAL_REGS): No longer a define of ALL_REGS.
10092         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
10093         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
10094         Adjust accordingly.
10095         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
10096         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
10097         (SECONDARY_RELOAD_CLASS): Define.
10098         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
10099         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
10100         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
10101         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
10102         (REGISTER_MOVE_COST): Define.
10103         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
10104         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
10105         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
10106         (CRIS_MOF_REGNUM): New define_constants.
10107         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
10108         special registers.
10109         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
10110         New patterns.
10111         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
10112         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
10113         Adjust for MOF being properly described as a register.
10114         (indir_to_reg_split): Name this split.  Conditionalize on the
10115         destination register being a general register.
10116         (movei): Conditionalize on on operands 0 and 1 having the same
10117         register class.
10118
10119 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
10120
10121         PR target/20277
10122         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
10123         -mcpu to override any other explicitly given flags.
10124
10125 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
10126
10127         * recog.c (verify_changes, confirm_change_group): New functions,
10128         broken out of apply_change_group.
10129         (apply_change_group): Use them.
10130         * recog.h (verify_change, confirm_change_group): Declare.
10131         * rtl.h (redirect_jump_2): Declare.
10132         * jump.c (redirect_exp, invert_exp): Delete.
10133         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
10134         (redirect_jump_2): New function, broken out of redirect_jump.
10135         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
10136         (invert_jump): Use invert_jump_1 and redirect_jump_2.
10137         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
10138
10139 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
10140
10141         * varasm.c (named_section): Use xstrdup rather than doing it by
10142         hand.
10143
10144         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
10145
10146 2005-03-02  Devang Patel  <dpatel@apple.com>
10147
10148         Undo PR tree-optimization/18815 fix.
10149
10150 2005-03-02  Devang Patel  <dpatel@apple.com>
10151
10152         PR tree-optimization/18815
10153         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
10154         loops with zero exit edges.
10155
10156 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
10157
10158         * cfg.c (connect_src, connect_dest, disconnect_src,
10159         disconnct_dest): New.
10160         (unchecked_make_edge, remove_edge, redirect_edge_succ,
10161         redirect_edge_pred): Use the new functions.
10162
10163         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
10164         free_dominance_info only when needed.
10165
10166 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
10167
10168         PR target/20276
10169         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
10170         (reg_or_sub_cint64_operand): Same.
10171
10172 2005-03-02  Jeff Law  <law@redhat.com>
10173
10174         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
10175         CFG_ALTERED in the main DOM iteration loop.
10176
10177 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
10178
10179         PR c++/19916
10180         * varasm.c (initializer_constant_valid_p): Allow conversions
10181         between OFFSET_TYPEs.  Tidy.
10182
10183 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
10184
10185         * config/cris/cris.md ("return"): Remove epilogue delay list
10186         sanity check.
10187
10188 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
10189
10190         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
10191         for Thumb.
10192         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
10193
10194 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
10195
10196         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
10197         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
10198         config/m68k/m68k.c, config/mips/mips.h,
10199         config/rs6000/rs6000-protos.h, doc/contrib.texi,
10200         doc/include/gcc-common.texi: Update copyright.
10201
10202         PR middle-end/18029 and PR middle-end/18030
10203         * expr.c (optimize_bitfield_assignment_op): Add a special case
10204         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
10205
10206         * fold-const.c (fold_unary): New.
10207         (fold): Call fold_unary on unary expressions.
10208
10209 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
10210
10211         * cgraph.h (struct cgraph_edge): Add prev_caller and
10212         prev_callee fields.
10213         (cgraph_node_remove_callees): Export.
10214         * cgraph.c (cgraph_create_edge): Initialize prev_caller
10215         and prev_callee.
10216         (cgraph_edge_remove_callee): New function.
10217         (cgraph_edge_remove_caller): Likewise.
10218         (cgraph_remove_edge): Use.
10219         (cgraph_redirect_edge_callee): Likewise.
10220         (cgraph_node_remove_callees): New function.
10221         (cgraph_node_remove_callers): Likewise.
10222         (cgraph_remove_node): Use.
10223         * tree-optimize.c (tree_rest_of_compilation): Use
10224         cgraph_node_remove_callees instead of manual loop.
10225         * cgraphunit.c (cgraph_finalize_function): Likewise.
10226         (cgraph_expand_function): Likewise.
10227         (cgraph_remove_unreachable_nodes): Likewise.
10228
10229 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
10230
10231         PR c/8927
10232         * c-tree.h (undeclared_variable, build_external_ref): Add extra
10233         argument.
10234         * c-decl.c (undeclared_variable): Take location as argument.
10235         * c-typeck.c (build_external_ref): Likewise.
10236         * c-parser.c (c_parser_postfix_expression): Pass location of
10237         identifier to build_external_ref.
10238
10239 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
10240
10241         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
10242         CCEQ mode for branch_positive_comparison_operator test.
10243         * config/rs6000/predicates (branch_comparison_operator): Revert to
10244         define_predicate.
10245         (scc_comparison_operator): Same.
10246         (branch_positive_comparison_operator): Same.
10247
10248 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
10249
10250         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
10251         (cris_delay_slots_for_epilogue): Remove.
10252         (save_last): Move into cris_target_asm_function_epilogue.
10253         (cris_target_asm_function_epilogue): Remove tests for file being
10254         NULL.
10255         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
10256         (cris_delay_slots_for_epilogue): Remove prototypes.
10257         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
10258         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
10259
10260 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
10261
10262         * config/rs6000/predicates.md (branch_comparison_operator): Change
10263         to define_special_predicate.
10264         (scc_comparison_operator): Same.
10265         (branch_positive_comparison_operator): Same.
10266
10267 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
10268
10269         * Makefile.in (tree-ssa-sink.o): New.
10270         (OBJS-common): Add tree-ssa-sink.o.
10271         * common.opt: Add -ftree-sink
10272         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
10273         * timevar.def (TV_TREE_SINK): new timevar.
10274         * tree-flow.h (is_hidden_global_store): Prototype.
10275         * tree-optimize.c (init_tree_optimization_passes): Add
10276         pass_sink_code.
10277         * tree-pass.h (pass_sink_code): New.
10278         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
10279         for non-obvious global store store to is_hidden_global_store, and
10280         call that new function.
10281         * tree-ssa-sink.c: New file.
10282         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
10283         * doc/passes.texi: Document forward store motion.
10284         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
10285         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
10286         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
10287         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
10288
10289 2005-03-01  Per Bothner  <per@bothner.com>
10290
10291         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
10292         and we have a non-zero column-number, add it to the message.
10293         Also factor out the diagnostic_kind_text.
10294
10295 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
10296
10297         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
10298         flow_loop_pre_header_scan, flow_loop_pre_header_find,
10299         flow_loop_scan): Removed.
10300         (flow_loop_dump): Do not dump removed fields.
10301         (flow_loop_free): Do not free removed fields.
10302         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
10303         (loop_exit_edge_p): New function.
10304         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
10305         num_pre_header_edges, entry_edges, num_entries, exit_edges,
10306         num_exits, exits_doms.
10307         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
10308         LOOP_EDGES, LOOP_ALL): Removed.
10309         (flow_loop_scan): Declaration removed.
10310         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
10311         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
10312         flow_loops_find.
10313         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
10314         (if_convert): Call flow_loops_find and flow_loops_free
10315         when calling mark_loop_exit_edges.
10316         * cfgloopanal.c (mark_loop_exit_edges): Moved from
10317         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
10318         free_dominance_info calls.
10319         * loop-init.c (flow_loops_find): Ditto.
10320         * passes.c (rest_of_handle_branch_prob): Ditto.
10321         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
10322         * loop-unroll.c (analyze_insns_in_loop): Do not use
10323         EDGE_LOOP_EXIT.
10324         * predict.c (predict_loops): Do not call flow_loop_scan.
10325         Use get_loop_exit_edges.
10326         (tree_estimate_probability): Do not pass flags to flow_loops_find.
10327         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
10328         Do not use EDGE_LOOP_EXIT.
10329         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
10330         to bb_with_exit_edge_p.
10331         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
10332         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
10333         to bb_with_exit_edge_p.
10334         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
10335         EDGE_LOOP_EXIT.
10336         * tree-loop-linear.c (linear_transform_loops): Do not call
10337         flow_loop_scan.  Use loop->single_exit.
10338         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
10339         (vect_analyze_loop_form): Do not call flow_loop_scan.
10340         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
10341         loop->single_exit.
10342         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
10343         loop->single_exit.
10344         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
10345         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
10346         slpeel_tree_duplicate_loop_to_edge_cfg,
10347         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
10348         Use loop_preheader_edge and loop->single_exit.  Do not call
10349         flow_loop_scan.
10350
10351 2005-03-01  Nick Clifton  <nickc@redhat.com>
10352
10353         * config/arm/arm.c (thumb_find_work_register): Check all of the
10354         argument registers to see if they are free, and a couple of
10355         special cases where the last argument register but can be proved
10356         to be available during the function's prologue.
10357         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
10358         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
10359         thumb_unexpanded_epilogue): Use unsigned long as the type for the
10360         register bit-mask.
10361         (thumb_compute_save_reg_mask): Likewise.  Also use
10362         thumb_find_work_register() to ensure that there is agreement about
10363         which work register is going to be used in the prologue.
10364         (thumb_output_function_prologue): Use unsigned long as the type
10365         for the register bit-mask.  Also delay pushing the link register if
10366         other high registers are going to be pushed.
10367         (thumb_compute_save_reg_mask, emit_multi_reg_push,
10368         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
10369         redundant prototypes.
10370
10371 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
10372
10373         PR target/19819
10374         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
10375         and after reload in REG+REG indexed addresses without REG_POINTER
10376         set in the base and not set in the index.
10377
10378 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
10379
10380         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
10381         Don't undefine here.
10382         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
10383         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
10384         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10385         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
10386         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
10387         Delete.
10388         * config.gcc (sh*-*-linux*): Use config/linux.h.
10389
10390 2005-02-28  Dale Johannesen  <dalej@apple.com>
10391             Stan Shebs  <shebs@apple.com>
10392
10393         Rewrite of 64-bit Darwin structure-by-value pass/return.
10394         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
10395         intoffset, use_stack, named.
10396         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
10397         (rs6000_darwin64_record_arg_advance_flush):  New.
10398         (rs6000_darwin64_record_arg_advance_recurse): New.
10399         (rs6000_darwin64_record_arg_flush):  New.
10400         (rs6000_darwin64_record_arg_recurse):  New.
10401         (rs6000_darwin64_record_arg):  New.
10402         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
10403         (function_arg_boundary):  Handle 128-bit aligned structs.
10404         (function_arg_advance):  Rewrite darwin64 struct handling.
10405         (function_arg):  Call rs6000_darwin64_record_arg.
10406         (function_arg_partial_nregs):  Handle darwin64 structs.
10407         (rs6000_darwin64_function_value):  Remove.
10408         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
10409
10410 2005-02-28  Roger Sayle  <roger@eyesopen.com>
10411
10412         PR tree-optimization/20216
10413         * tree-chrec.c (tree_fold_factorial): Delete.
10414         (tree_fold_binomial): Change argument list to take a return type
10415         and change the type of K to unsigned int.  Rewrite to avoid explicit
10416         evaluation of factorials, and (recursively) calling fold to perform
10417         compile-time arithmetic.  Return NULL on (internal) overflow.
10418         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
10419         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
10420         if any intermediate calculation overflows.
10421         (chrec_apply): Update call to chrec_evaluate.
10422
10423 2005-02-28  James E Wilson  <wilson@specifixinc.com>
10424
10425         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
10426
10427 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
10428
10429         PR c/20245
10430         * c-parser.c (c_parser_compound_statement): Return error_mark_node
10431         instead of NULL_TREE on error.
10432
10433 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
10434
10435         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
10436         (EASY_VECTOR_15_ADD_SELF): Remove.
10437         (num_insns_constant_wide): Not static.
10438         (validate_condition_mode): Not static.
10439         (toc_relative_expr_p): Not static.
10440         (legitimate_indirect_address_p): Not static.
10441         (macho_lo_sum_memory_operand): Not static.
10442         (invalid_e500_subreg): Not static.
10443         (easy_vector_same): Not static.
10444         (easy_vector_splat_const): Not static.
10445         (RS6000_SYMBOL_REF_TLS_P): Remove.
10446         (any_operand): Delete.
10447         (any_parallel_operand): Delete.
10448         (count_register_operand): Delete.
10449         (altivec_register_operand): Delete.
10450         (xer_operand): Delete.
10451         (s8bit_cint_operand): Delete.
10452         (short_cint_operand): Delete.
10453         (u_short_cint_operand): Delete.
10454         (non_short_cint_operand): Delete.
10455         (exact_log2_cint_operand): Delete.
10456         (gpc_reg_operand): Delete.
10457         (cc_reg_operand): Delete.
10458         (cc_reg_not_cr0_operand): Delete.
10459         (reg_or_short_operand): Delete.
10460         (reg_or_neg_short_operand): Delete.
10461         (reg_or_aligned_short_operand): Delete.
10462         (reg_or_u_short_operand): Delete.
10463         (reg_or_cint_operand): Delete.
10464         (reg_or_arith_cint_operand): Delete.
10465         (reg_or_add_cint64_operand): Delete.
10466         (reg_or_sub_cint64_operand): Delete.
10467         (reg_or_logical_cint_operand): Delete.
10468         (got_operand): Delete.
10469         (got_no_const_operand): Delete.
10470         (easy_fp_constant): Delete.
10471         (easy_vector_constant): Delete.
10472         (easy_vector_constant_add_self): Delete.
10473         (zero_constant): Delete.
10474         (zero_fp_constant): Delete.
10475         (volatile_mem_operand): Delete.
10476         (offsettable_mem_operand): Delete.
10477         (mem_or_easy_const_operand): Delete.
10478         (add_operand): Delete.
10479         (non_add_cint_operand): Delete.
10480         (logical_operand): Delete.
10481         (non_logical_cint_operand): Delete.
10482         (mask_operand): Delete.
10483         (mask_operand_wrap): Delete.
10484         (mask64_operand): Delete.
10485         (mask64_2_operand): Delete.
10486         (and64_operand): Delete.
10487         (and64_2_operand): Delete.
10488         (and_operand): Delete.
10489         (reg_or_mem_operand): Delete.
10490         (lwa_operand): Delete.
10491         (symbol_ref_operand): Delete.
10492         (call_operand): Delete.
10493         (current_file_function_operand): Delete.
10494         (input_operand): Delete.
10495         (rs6000_nonimmediate_operand): Delete.
10496         (rs6000_tls_symbol_ref): Delete.
10497         (save_world_operation): Delete.
10498         (restore_world_operation): Delete.
10499         (load_multiple_operation): Delete.
10500         (store_multiple_operation): Delete.
10501         (vrsave_operation): Delete.
10502         (mfcr_operation): Delete.
10503         (mtcrf_operation): Delete.
10504         (lmw_operation): Delete.
10505         (stmw_operation): Delete.
10506         (branch_comparison_operator): Delete.
10507         (branch_positive_comparison_operator): Delete.
10508         (scc_comparison_operator): Delete.
10509         (trap_comparison_operator): Delete.
10510         (boolean_operator): Delete.
10511         (boolean_or_operator): Delete.
10512         (min_max_operator): Delete.
10513         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
10514         (EASY_VECTOR_15): Moved to here.
10515         (EASY_VECTOR_15_ADD_SELF): Move to here.
10516         (PREDICATE_CODES): Delete.
10517         * config/rs6000/rs6000-protos.h: Delete predicate functions.
10518         Declare functions no longer static.
10519         * config/rs6000/predicates.md: New.
10520         * config/rs6000/rs6000.md: Include predicates.md
10521
10522 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
10523
10524         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
10525         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
10526         REG_ALWAYS_RETURN.
10527         * cfgrtl.c (need_fake_edge_p): Likewise.
10528         * combine.c (distribute_notes): Likewise.
10529         * emit-rtl.c (try_split): Likewise.
10530         * recog.c (peephole2_opimize): Likewise.
10531         * reg-notes.def (ALWAYS_RETURN): Remove.
10532         * rtl.h (LCT_ALWAYS_RETURN): Remove.
10533         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
10534         * tree.h (ECF_ALWAYS_RETURN): Remove.
10535
10536 2005-02-28  Roger Sayle  <roger@eyesopen.com>
10537
10538         PR middle-end/19874
10539         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
10540         between different machine modes is never a "useless" conversion.
10541
10542 2005-02-28  Geert Bosch  <bosch@gnat.com>
10543
10544         PR ada/15977
10545         * doc/contrib.texi: List contributors for Ada front end
10546
10547 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
10548
10549         * simplify-rtx.c (simplify_unary_operation_1,
10550         simplify_const_unary_operation): New, extracted from...
10551         (simplify_unary_operation): ... this one.
10552         (simplify_binary_operation_1,
10553         simplify_const_binary_operation): New, extracted from...
10554         (simplify_binary_operation): ... this one.
10555         * rtl.h (simplify_const_unary_operation,
10556         simplify_const_binary_operation): Add prototypes.
10557
10558 2005-02-28  Julian Brown  <julian@codesourcery.com>
10559
10560         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
10561         building libjava and caused PR regression/20228.
10562
10563 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
10564
10565         PR bootstrap/17383
10566         * Makefile.in (host_subdir): New.
10567         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
10568         * configure: Regenerate.
10569
10570 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
10571
10572         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
10573         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
10574         installation directory first.
10575
10576 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
10577
10578         PR target/19065.
10579         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
10580         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
10581         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
10582         * config/cris/cris.md: Tweak comments referring to Q.
10583         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
10584         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
10585         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
10586         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
10587         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
10588         Insert spaces in constraints to align alternatives vertically for
10589         readability.
10590         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
10591         operand 1: "M".
10592
10593 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10594
10595         PR rtl-optimization/17728
10596         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
10597         operand 0 from general_operand to move_dest_operand.
10598
10599 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10600
10601         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
10602         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
10603         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
10604         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
10605
10606 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
10607
10608         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
10609         * configure: Regenerate.
10610         * libada-mk.in: Remove CC; rename
10611         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
10612
10613 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
10614
10615         PR tree-opt/20188
10616         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
10617         for the lhs, also walk over the tree.  Likewise for rhs.
10618
10619 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
10620
10621         * tree-ssa-dom.c (simple_iv_increment_p): New function.
10622         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
10623         Do not propagate value of iv before increment over the increment.
10624
10625 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
10626
10627         * c-parser.c: New file.
10628         * c-parse.in: Remove.
10629         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
10630         Remove.
10631         (c-parser.o): Add dependencies.
10632         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
10633         maintainer-clean, TAGS): Update.
10634         * c-config-lang.in (gtfiles): Update.
10635         * gengtype-lex.l: Don't handle "@@".
10636         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
10637         objc_build_synchronized, objc_begin_try_stmt,
10638         objc_begin_catch_clause, objc_finish_catch_clause,
10639         objc_build_finally_clause, objc_finish_try_stmt): New.
10640         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
10641         type_seen_p.
10642         (c_parse_init): Update comment.
10643         * c-decl.c (c_init_decl_processing): Update comment.
10644         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
10645         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
10646         new c_declspecs members.
10647
10648 2005-02-25  Julian Brown  <julian@codesourcery.com>
10649
10650         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
10651         from being used for symbols with vague linkage when
10652         HAVE_GAS_COMDAT_GROUP is true.
10653
10654 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
10655
10656         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
10657
10658 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
10659
10660         PR target/19930
10661         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
10662         (LIBGCC2_HAS_DF_MODE): New.
10663         (LIBGCC2_HAS_XF_MODE): New.
10664         (LIBGCC2_HAS_TF_MODE): New.
10665         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
10666         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
10667         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
10668         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
10669         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
10670         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
10671         and add _fixtfdi, _fixunstfdi, _floatditf
10672         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
10673         L_fixunstfdi, L_floatditf.
10674         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
10675         (LIBGCC2_HAS_TF_MODE): Define.
10676
10677 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
10678
10679         PR tree-optimization/20204
10680         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
10681         REWRITE_THIS_STMT markers on PHI nodes.
10682         (rewrite_initialize_block): Likewise.
10683
10684 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
10685
10686         * version.c (version_string): Update to 4.1.
10687
10688 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
10689
10690         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
10691         Clarify that the alternative way doesn't work in GNU C++.
10692
10693 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
10694
10695         PR tree-optimization/19937
10696         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
10697         to the type of the induction variable.
10698
10699 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
10700
10701         PR rtl-optimization/20117
10702         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
10703         the block including noncopyable insn.
10704
10705 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
10706
10707         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
10708         calls to find_reg_note.
10709
10710 2005-02-24  Richard Henderson  <rth@redhat.com>
10711
10712         PR tree-opt/20127
10713         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
10714         the type.
10715
10716 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
10717
10718         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
10719         vector types if to use base reg for misaligned non-word ld/std.
10720
10721 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
10722
10723         PR target/14619
10724         * config/cris/cris.c (cris_target_asm_function_prologue): Create
10725         dwarf2 label manually and put it after, not before the prologue.
10726
10727 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
10728
10729         PR target/19019
10730         * reload.c (operands_match_p): Only increment register number for
10731         SCALAR_INT_MODE_P modes in multiple hard registers.
10732
10733         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
10734         Fix formatting.
10735
10736 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10737
10738         * ChangeLog.5: Fix log message typo(s).
10739         * ChangeLog.7: Likewise.
10740         * ChangeLog.tree-ssa: Likewise.
10741         * cfgexpand.c: Fix comment typo(s).
10742         * conflict.c: Likewise.
10743         * defaults.h: Likewise.
10744         * dwarf2out.c: Likewise.
10745         * gcse.c: Likewise.
10746         * ggc-page.c: Likewise.
10747         * tree-eh.c: Likewise.
10748         * tree-ssa-dom.c: Likewise.
10749
10750 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
10751
10752         PR target/19019
10753         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
10754         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
10755         if SHARED is defined.
10756
10757         PR target/20196
10758         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
10759         allow splitting only if operands 0 and 3 don't overlap.
10760
10761 2005-02-24  Richard Henderson  <rth@redhat.com>
10762
10763         PR middle-end/19953
10764         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
10765         (fold_builtin_1): Call them.
10766         * fold-const.c (fold_complex_mult_parts): Split out from ...
10767         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
10768         (fold_complex_div_parts, fold_complex_div): New.
10769         (fold): Use them.
10770         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
10771
10772 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10773
10774         * tree-ssa-ccp.c (visit_assignment): Verify that result of
10775         VIEW_CONVERT_EXPR is_gimple_min_invariant.
10776
10777         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
10778         (print_node): Likewise.
10779         Print TYPE_SIZES_GIMPLIFIED.
10780
10781 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
10782
10783         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
10784         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
10785         operands as commutative in constraints.
10786
10787 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
10788
10789         * tree-into-ssa.c: Re-organize internal functions.
10790
10791 2005-02-24  Richard Henderson  <rth@redhat.com>
10792
10793         PR middle-end/18902
10794         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
10795         for c99.
10796         * common.opt (fcx-limited-range): New.
10797         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
10798         * toplev.c (flag_complex_method): Initialize to 1.
10799         (process_options): Set flag_complex_method to 0 if
10800         flag_cx_limited_range.
10801         * doc/invoke.texi (-fcx-limited-range): New.
10802
10803 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
10804
10805         * cse.c (delete_trivially_dead_insns): Speed up by using
10806         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
10807         prev_real_insn.
10808
10809 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
10810
10811         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
10812         functions when -mid-shared-library is being used.
10813
10814 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
10815
10816         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
10817         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
10818         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
10819         * system.h: Poison LINK_LIBGCC_SPECIAL.
10820
10821 2005-02-23  James E Wilson  <wilson@specifixinc.com>
10822
10823         * gengtype.c (note_insn_name): Make 1 element larger.
10824
10825 2005-02-23  Roger Sayle  <roger@eyesopen.com>
10826
10827         PR target/20018
10828         PR rtl-optimization/20097
10829         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
10830         BImode SUBREGs of SImode registers which confuse the ia64 backend.
10831
10832 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
10833
10834         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
10835         * t-aix52 (SHLIB_INSTALL): Same.
10836
10837 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
10838
10839         * genpreds.c: Update copyright.
10840
10841 2005-02-23  Michael Beach  <michaelb@ieee.org>
10842
10843         PR target/20159
10844         * config/sparc/t-elf (startup files): Assemble with CPP.
10845
10846 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
10847
10848         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
10849         (write_predicate_expr): Likewise.
10850
10851 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
10852
10853         PR tree-optimization/20100
10854         PR tree-optimization/20115
10855         * tree-optimize.c (init_tree_optimization_passes): Remove
10856         pass_maybe_create_global_var.
10857         * tree-pass.h (pass_maybe_create_global_var): Remove.
10858         * tree-ssa-alias.c (aliases_computed_p): Declare.
10859         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
10860         (count_calls_and_maybe_create_global_var): Remove.
10861         (pass_maybe_create_global_var): Remove.
10862         (init_alias_info): Do not declare aliases_computed_p.
10863         (maybe_create_global_var): If the function contains no
10864         call-clobbered variables and a mix of pure/const and regular
10865         function calls, create .GLOBAL_VAR.
10866         Mark all call-clobbered variables for renaming.
10867         (merge_pointed_to_info): Update comment.
10868         (add_pointed_to_var): Likewise.
10869         (is_escape_site): Likewise.
10870         Accept struct alias_info * instead of size_t *.
10871         Update all users.
10872         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
10873         as necessary.
10874         * tree-ssa-operands.c (get_call_expr_operands): If
10875         ALIASES_COMPUTED_P is false, do not add call-clobbering
10876         operands.
10877         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
10878         (delete_tree_ssa): Likewise.
10879
10880 2005-02-22  James E Wilson  <wilson@specifixinc.com>
10881
10882         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
10883         (do_compile): Do call it here.
10884
10885 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
10886
10887         PR rtl-optimization/20017.
10888         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
10889         rest_of_handle_cse2, rest_of_handle_gcse): Call
10890         delete_dead_jumptables immediately before calling cleanup_cfg.
10891
10892 2005-02-22  Devang Patel  <dpatel@apple.com>
10893
10894         PR 19952
10895         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
10896         all labels
10897
10898 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
10899
10900         * config/rs6000/aix.h (WINT_TYPE): Define.
10901
10902 2005-02-22  Stan Shebs  <shebs@apple.com>
10903
10904         * config/rs6000/rs6000.c (rs6000_override_options): Default to
10905         natural alignment for 64-bit Darwin.
10906         (rs6000_parse_alignment_option): Warn about uses of -malign-power
10907         on 64-bit Darwin.
10908         * doc/invoke.texi: Document this.
10909
10910 2005-02-22  DJ Delorie  <dj@redhat.com>
10911
10912         * c-common.c (c_common_type_for_mode): Pass the mode's precision
10913         to make_[un]signed_type, not the mode itself.
10914
10915 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
10916
10917         * cfg.c (cached_make_edge): Call make_edge if edge cache is
10918         not available.  Use tail calls wherever possible.
10919         (make_edge): Call unchecked_make_edge to create an edge.
10920
10921         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
10922         (coalesce_ssa_name): Don't check for
10923         SSANORM_USE_COALESCE_LIST.
10924         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
10925
10926 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
10927
10928         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
10929         (rewrite_into_ssa): ... here.
10930
10931 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
10932
10933         PR tree-optimization/19786
10934         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
10935         tag to another's may-alias bitmap when adding to the other's list.
10936
10937 2005-02-21  DJ Delorie  <dj@redhat.com>
10938
10939         * tree-ssa-loop-ivopts.c (computation_cost): Start register
10940         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
10941         registers in unsupported ways.
10942         * expmed.c (init_expmed): Likewise.
10943
10944 2005-02-21  Stan Cox  <scox@redhat.com>
10945
10946         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
10947
10948 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
10949
10950         * tree-cfg.c (fold_cond_expr_cond): New.
10951         (make_edges): Call fold_cond_expr_cond.
10952         (find_taken_edge): Accept nothing but INTEGER_CST.
10953         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
10954         and 1.
10955         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
10956
10957         * flow.c (delete_dead_jumptables): Speed up by scanning insns
10958         that do not belong to any basic block.
10959
10960 2005-02-21  Jeff Law  <law@redhat.com>
10961
10962         * cfganal.c (find_unreachable_blocks): Manually CSE load of
10963         e->dest.
10964
10965 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
10966
10967         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
10968         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
10969         Adjust their definitions.
10970         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
10971         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
10972
10973         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
10974         genautomata.c, langhooks.c, langhooks.h, system.h,
10975         config/arm/lib1funcs.asm: Update copyright.
10976
10977 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
10978
10979         * dbxout.c (dbxout_function_end): Emit Lscope label always.
10980
10981 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
10982
10983         PR bootstrap/13770
10984         * doc/install.texi: Document --with-gc.
10985
10986 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
10987
10988         * simplify-rtx.c (simplify_unary_operation): Add a missing
10989         "break" statement.
10990
10991 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10992
10993         PR tree-optimization/18663
10994         * tree-ssa-dom.c (extract_range_from_cond): Return 0
10995         if the type has variable bounds.
10996
10997 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
10998
10999         * gcse.c: Remove an obsolete comment.
11000
11001         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
11002
11003 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
11004
11005         * doc/extend.texi (Function Attributes) <Attribute const>: The
11006         attribute "pure" is below this text, not above.
11007
11008 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11009
11010         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
11011         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
11012         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
11013
11014 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
11015
11016         PR 18785
11017         * langhooks.h (struct lang_hooks): Add to_target_charset.
11018         * langhooks.c (lhd_to_target_charset): New function.
11019         * langhooks-def.h: Declare lhd_to_target_charset.
11020         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
11021         (LANG_HOOKS_INITIALIZER): Update.
11022         * c-common.c (c_common_to_target_charset): New function.
11023         * c-common.h: Declare it.
11024         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
11025         c_common_to_target_charset.
11026
11027         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
11028         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
11029         Delete definitions.
11030         * system.h: Poison them.
11031         * doc/tm.texi: Don't discuss them.
11032         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
11033         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
11034         (pp_c_char): Do not attempt to generate letter escapes for
11035         newline, tab, etc.
11036         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
11037         * config/mips/mips.c (mips_output_ascii): Likewise.
11038
11039 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
11040
11041         PR tree-optimization/19951
11042         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
11043         is abnormal.
11044
11045 2005-02-19  Steven Bosscher  <stevenb@suse.de>
11046
11047         PR middle-end/19698
11048         * function.h (struct function): New field `max_loop_depth'.
11049         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
11050         (flow_loops_find): Reset the max loop depth count before finding loops.
11051         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
11052         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
11053         (calculate_global_regs_live): Make sure the loop will terminate
11054         when the initial sets are not empty.
11055
11056 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
11057
11058         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
11059         object inside.
11060         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
11061
11062 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
11063
11064         PR other/19525
11065         * doc/invoke.texi: Remove documentation of %M spec.
11066         * gcc.c: Likewise.
11067         (init_spec): Remove %M suffix from -lgcc_s.
11068         (do_spec_1): Remove 'M' case.
11069         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
11070         to put shared libraries in the multilib directory.  Remove the
11071         shlib_so_soname substitution variable.  Don't add a multilib encoding
11072         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
11073         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
11074         SHLIB_INSTALL as well as SHLIB_LINK.
11075         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
11076         (SHLIB_NAME): Delete.
11077         (SHLIB_DIR): New macro.
11078         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
11079         (SHLIB_INSTALL): Adjust accordingly.
11080         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
11081         * config/t-slibgcc-sld: Likewise.
11082         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
11083         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
11084         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
11085         in $(SHLIB_DIR).
11086         (SHLIBUNWIND_INSTALL): Adjust accordingly.
11087         * config/i386/t-nwld (SHLIB_SONAME): Delete.
11088         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
11089         Use @shlib_base_name@ instead of @shlib_so_name@.
11090         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
11091         and @shlib_base_name@.so in @multilib_dir@.
11092         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
11093         to the install path.
11094         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
11095         (SHLIB_LINK): Remove previous workaround.
11096         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
11097         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
11098         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
11099         the install path.
11100         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
11101         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
11102         (SHLIB_INSTALL): Adjust accordingly.
11103         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
11104         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
11105         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
11106         config/t-slibgcc-elf-ver.
11107
11108 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
11109             Jakub Jelinek  <jakub@redhat.com>
11110
11111         PR tree-optimization/19828
11112         * tree-ssa-loop-im.c: Add a TODO comment.
11113         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
11114         without side-effects.
11115
11116 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
11117
11118         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
11119         call fold_convert.
11120
11121 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
11122
11123         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
11124         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
11125         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
11126         functions.
11127         (ia64_reorg): Delete fixup_errata call.
11128         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
11129         (TARGET_SWITCHES): Delete -mb-step entry.
11130
11131 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
11132
11133         PR c/20043
11134         * c-typeck.c (composite_type): Handle quals in transparent unions.
11135         (type_lists_compatible_p): Likewise.
11136
11137 2005-02-18  Stan Shebs  <shebs@apple.com>
11138
11139         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
11140         expressions in the .literal8 section.
11141
11142 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
11143
11144         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
11145
11146 2005-02-18  Roger Sayle  <roger@eyesopen.com>
11147
11148         * fold-const.c (constant_boolean_node): Always create values of the
11149         specified type, don't bother calling truthvalue_conversion.
11150
11151 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11152
11153         * except.c (output_function_exception_table): Call
11154         assemble_external_libcall (eh_personality_libfunc).
11155
11156 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11157
11158         PR target/19886
11159         * config/ia64/ia64.h (struct machine_function): Add state_num.
11160         * config/ia64/ia64.c (process_epilogue,
11161         process_for_unwind_directive): Use new unwind state numbers each
11162         time rather than state 1.
11163
11164 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
11165
11166         PR target/20054
11167         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
11168         before the "*llgt_didi" pattern.
11169
11170 2005-02-18  Jason Merrill  <jason@redhat.com>
11171
11172         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
11173
11174 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
11175
11176         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
11177         (div0): Use it in place of ARM_FUNC_ALIAS.
11178         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
11179
11180 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
11181
11182         PR middle-end/20030
11183         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
11184         access, the lower bound of the array type if it exists.
11185
11186 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
11187
11188         PR c++/20008
11189         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
11190         cases that are out-of-range for the index type.
11191
11192 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
11193
11194         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
11195         (estimate_case_costs): Don't call convert.
11196         * expmed.c (expand_shift): Likewise.
11197         (make_tree): Call fold_convert instead of convert.
11198
11199 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
11200
11201         PR c++/19813
11202         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
11203         that ref to be marked MEM_READONLY_P doesn't have base that needs
11204         constructing.
11205
11206 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11207
11208         * genautomata.c (output_get_cpu_unit_code_func,
11209         output_cpu_unit_reservation_p): Don't generate old-style function
11210         definitions.
11211
11212 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
11213
11214         PR c++/20023
11215         PR tree-optimization/20009
11216         * convert.c (convert_to_integer): Revert 2005-02-16 change.
11217
11218         PR tree-optimization/18947
11219         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
11220         inline, remove all nodes that are inlined into the extern inline
11221         being redefined.
11222
11223 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
11224
11225         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
11226         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
11227         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
11228         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
11229         Update copyright.
11230
11231 2005-02-17  Roger Sayle  <roger@eyesopen.com>
11232
11233         PR tree-optimization/19917
11234         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
11235         to be potentially trapping.
11236
11237 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
11238
11239         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
11240
11241 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
11242
11243         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
11244         tem becomes a local variable which is set to the value of the
11245         back end defined INITIAL_FRAME_ADDRESS macro.
11246         (expand_builtin_frame_address): Omit the base parameter to
11247         expand_builtin_return_addr.
11248         (expand_builtin_profile_func): Likewise.
11249         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
11250         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
11251         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
11252
11253 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
11254
11255         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
11256         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
11257         * config/frv/frv.c (frv_function_epilogue): Likewise.
11258
11259 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
11260
11261         * lambda-code (perfect_nestify): Remove mark/unmark
11262         for rewriting hack.
11263         * tree-loop-linear.c (linear_transform_loops): Add
11264         rewrite_into_ssa call so that ssa is correct for
11265         rewriting into loop closed.
11266
11267 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
11268
11269         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
11270         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
11271         BITMAP_FREE.
11272         * bt-load.c (btr_def_live_range, combine_btr_defs,
11273         migrate_btr_def, migrate_btr_defs): Likewise.
11274         * cfgcleanup.c (thread_jump): Likewise.
11275         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
11276         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
11277         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
11278         df_rd_local_compute, df_reg_info_compute): Likewise.
11279         * dominance.c (init_dom_info, free_dom_info): Likewise.
11280         * flow.c (init_propagate_block_info,
11281         free_propagate_block_info): Likewise.
11282         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
11283         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
11284         modify_reg_pav): Likewise.
11285         * loop-invariant.c (find_defs, find_invariant_insn,
11286         find_invariants, free_inv_motion_data): Likewise.
11287         * predict.c (tree_predict_by_opcode,
11288         estimate_bb_frequencies): Likewise.
11289         * stmt.c (expand_case): Likewise.
11290         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
11291         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
11292         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
11293         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
11294         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
11295         rewrite_ssa_into_ssa): Likewise.
11296         * tree-optimize.c (tree_rest_of_compilation): Likewise.
11297         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
11298         analyze_edges_for_bb, perform_edge_inserts): Likewise.
11299         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
11300         * tree-sra.c (tree_sra): Likewise.
11301         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
11302         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
11303         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
11304         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
11305         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
11306         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
11307         Likewise.
11308         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
11309         calculate_live_on_entry, calculate_live_on_exit,
11310         build_tree_conflict_graph): Likewise.
11311         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
11312         record_important_candidates, set_use_iv_cost, find_depends,
11313         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
11314         tree_ssa_iv_optimize_finalize): Likewise.
11315         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
11316         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
11317         tree_duplicate_loop_to_header_edge): Likewise.
11318         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
11319         * tree-ssa.c (verify_flow_insensitive_alias_info,
11320         verify_name_tags, verify_ssa, init_tree_ssa,
11321         delete_tree_ssa): Likewise.
11322         * tree-ssanames.c (marked_ssa_names, init_ssanames,
11323         fini_ssanames): Likewise.
11324         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
11325
11326 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
11327
11328         * config/rs6000/t-rtems: Completely reworked.
11329
11330 2005-02-17  Ira Rosen  <irar@il.ibm.com>
11331
11332         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
11333
11334 2005-02-17  Ira Rosen  <irar@il.ibm.com>
11335
11336         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
11337         POINTER_TYPE_P when checking that type is a pointer.
11338         (vect_get_memtag): Remove.
11339         (vect_address_analysis): Use POINTER_TYPE_P. Call
11340         vect_object_analysis with dummy parameter for memtag.
11341         (vect_object_analysis): Extract memtag (functionality that
11342         used to be in vect_get_memtag and moved here). Fix printings.
11343         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
11344         with correct parameters. Remove call to vect_get_memtag.
11345
11346 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
11347
11348         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
11349         (tree-vectorizer.o): Added missing dependencies.
11350
11351         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
11352         decleration.
11353         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
11354         declaration in tree-vectorizer.c, now has an extern declaration in
11355         tree-vectorizer.h).
11356         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
11357         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
11358         get_vectype_for_scalar_type, vect_is_simple_use,
11359         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
11360         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
11361         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
11362         vectorizable_store, vectorizable_operation, vectorizable_assignment,
11363         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
11364         find_loop_location): Likewise.
11365
11366         * tree-vectorizer.c (langhooks.h): #include removed.
11367         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
11368         moved to tree-vectorized.h.
11369         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
11370         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
11371         get_vectype_for_scalar_type, vect_is_simple_use,
11372         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
11373         vect_supportable_dr_alignment, new_loop_vec_info,
11374         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
11375         vect_set_verbosity_level, find_loop_location): Likewise.
11376
11377         (vect_analyze_loop): Function externalized. Declaration moved to
11378         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
11379         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
11380         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
11381         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
11382         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
11383         vect_enhance_data_refs_alignment, vect_analyze_operations,
11384         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
11385         vect_stmt_relevant_p, vect_get_loop_niters,
11386         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
11387         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
11388         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
11389         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
11390         vect_get_memtag): Likewise.
11391
11392         (vectorizable_load): Function externalized. Declaration moved to
11393         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
11394         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
11395         vect_transform_loop): Likewise.
11396         (vect_transform_stmt): Moved to tree-vect-transform.c.
11397         (vect_align_data_ref, vect_create_destination_var,
11398         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
11399         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
11400         vect_get_vec_def_for_operand, vect_init_vector,
11401         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
11402         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
11403         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
11404         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
11405         vect_do_peeling_for_loop_bound): Likewise.
11406
11407         * tree-vect-analyze.c: New file.
11408         * tree-vect-transform.c: New file.
11409
11410 2005-02-17  Jason Merrill  <jason@redhat.com>
11411
11412         PR mudflap/19319, c++/19317
11413         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
11414         slot explicit.
11415
11416 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
11417
11418         * doc/install.texi (Specific): Update link for Darwin-specific
11419         tool binary site.
11420
11421 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
11422
11423         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
11424         constant_boolean_node.
11425
11426 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
11427
11428         PR target/19019
11429         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
11430         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
11431
11432 2005-02-16  Richard Henderson  <rth@redhat.com>
11433
11434         PR 19920
11435         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
11436         with W_TYPE_SIZE.
11437         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
11438         replace uses with Wtype_MAXp1_F.
11439         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
11440         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
11441         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
11442         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
11443         and HAVE_TFMODE as appropriate.
11444         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
11445         (__floatdisf): Likewise.
11446         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
11447         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
11448         (Wtype_MAXp1_F): New.
11449         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
11450         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
11451
11452 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
11453
11454         * PR target/19162
11455         * arm.c (arm_apply_result_size): New function.
11456         * arm.h (APPLY_RESULT_SIZE): Define.
11457         * arm-protos.h (arm_apply_result_size): Add prototype.
11458         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
11459         (movxf): New expand.
11460         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
11461         (call_value_symbol): Remove predicate for operand 0.
11462         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
11463         (untyped_call): Rework to correclty return values for any type.
11464         (untyped_return): New expand.
11465         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
11466
11467 2005-02-16  Stan Shebs  <shebs@apple.com>
11468
11469         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
11470         * config/rs6000/t-darwin8: New, for 64-bit multilib.
11471
11472 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
11473
11474         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
11475         configure settings on Solaris 7 and later.
11476
11477 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
11478
11479         PR tree-optimization/19865
11480         * tree-optimize.c (init_tree_optimization_passes): Run
11481         pass_may_alias after pass_sra.
11482
11483 2005-02-16  Richard Henderson  <rth@redhat.com>
11484             Stuart Hastings  <stuart@apple.com>
11485
11486         PR debug/19521
11487         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
11488         Do nothing if debug info suppressed for this function.
11489         (dbxout_begin_function): Early exit if debug info suppressed for
11490         this function.
11491
11492 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
11493
11494         PR target/20007
11495         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
11496         find_basic_blocks.
11497         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
11498
11499         PR tree-optimization/19967
11500         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
11501         expand_builtin_strchr, expand_builtin_strrchr): Take a new
11502         argument TYPE.  Adjust calls to fold_builtin_XXX.
11503         (expand_builtin, fold_builtin_1): Adjust calls to
11504         expand_builtin_XXX.
11505         (fold_builtin_strchr, fold_builtin_strpbrk,
11506         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
11507         result to a requested type TYPE.
11508
11509 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
11510
11511         PR middle-end/19857
11512         * fold-const.c (fold): Don't optimize (T)(x & cst) to
11513         (T)x & (T)cst if (T)cst overflows.
11514         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
11515         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
11516
11517 2005-02-15  Jeff Law  <law@redhat.com>
11518
11519         * gcse.c (blocks_with_calls): New bitmap.
11520         (alloc_gcse_mem): Allocate it.
11521         (free_gcse_mem): Free it.
11522         (clear_modifY_mem_tables): Clear it.
11523         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
11524         when we encounter CALL_INSNs.
11525         (compute_transp, case MEM): Handle blocks with calls separate
11526         from blocks without calls.  Use bitmap iterators rather than
11527         FOR_EACH_BB.
11528
11529 2005-02-15  Peter O'Gorman  <peter@pogma.com>
11530
11531         PR bootstrap/18810
11532         * mklibgcc.in (vis_hide): Use a temporary object file, not
11533         -o /dev/null.
11534
11535 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
11536
11537         PR target/19924
11538         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
11539         access optimization.
11540
11541 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
11542             Alan Modra  <amodra@bigpond.net.au>
11543
11544         PR target/19019
11545         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
11546         (_xlqsub): Rename to __gcc_qsub.
11547         (_xlqmul): Rename to __gcc_qmul.
11548         (_xlqdiv): Rename to __gcc_qdiv.
11549         Provide versioned symbol aliases with old names.
11550         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
11551         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
11552         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
11553         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
11554         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
11555
11556 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
11557
11558         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
11559         Fold ~(A - 1) and ~(A + -1) to -A.
11560
11561 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
11562
11563         PR pch/14940
11564         PR target/19300
11565         * config/host-linux.c (linux_gt_pch_use_address): Copy from
11566         config/pa/pa-host.c:pa_gt_pch_use_address.
11567
11568 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
11569
11570         * tree-vn.c (get_value_handle): Make sure that given an
11571         is_gimple_min_invariant expression, we always return it.
11572
11573 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
11574
11575         * passes.c (rest_of_handle_gcse): Fix a comment.
11576
11577 2005-02-15  Jeff Law  <law@redhat.com>
11578
11579         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
11580         bitmap.
11581         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
11582         (canon_list_insert, record_last_mem_set_info): Similarly.
11583         (clear_modify_mem_tables): Similarly.
11584
11585 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
11586
11587         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
11588         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
11589         config/mips/mips.md, config/rs6000/aix.h,
11590         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
11591
11592 2005-02-15  Richard Henderson  <rth@redhat.com>
11593
11594         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
11595         call to be best_edge.
11596
11597 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
11598
11599         * basic-block.h: Adjust the prototype for find_basic_blocks.
11600         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
11601         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
11602         find_basic_blocks.
11603
11604         * flow.c (recompute_reg_usage): Remove all arguments.
11605         * passes.c (rest_of_compilation): Adjust the call to
11606         recompute_reg_usage.
11607         * rtl.h: Adjust the prototype for recompute_reg_usage.
11608
11609 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
11610
11611         * tree-dump.c (dump_files): Update to reflect new member
11612         of dump_file_info.
11613         (dump_register): Add new argument.
11614         Set glob name.
11615         (dump_switch_p_1): Check against glob name if doglob was passed.
11616         (dump_switch_p): Check against regular first, then glob if
11617         we didn't have any hits on the dump name.
11618         * tree-optimize.c (register_one_dump_file):
11619         Pass in glob name as well.
11620         * tree-pass.h (struct dump_file_info): Add glob
11621         member.
11622
11623 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
11624
11625         PR preprocessor/16323
11626         * doc/invoke.texi: Document that -Wendif-labels is on by default.
11627
11628 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
11629
11630         PR target/19019
11631         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
11632         (trunctfdf2_internal1): New.
11633         (trunctfdf2_internal2): Renamed from trunctfdf2.
11634
11635 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
11636
11637         PR tree-optimization/19853
11638         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
11639
11640 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
11641
11642         * passes.c (rest_of_handle_loop_optimize): Remove calls to
11643         delete_dead_jumptables and cleanup_cfg.
11644
11645 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
11646
11647         * reload.c (find_reloads): Swap address_reloaded flags when
11648         swapping commutative operands.
11649
11650 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
11651
11652         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
11653         Use standard_iv_increment_position for computing the bsi position
11654         for create_iv.
11655         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
11656         the bsi position.
11657
11658 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
11659
11660         PR target/17428
11661         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
11662         life range of hard registers.
11663         * value-prof.c (insn_prefetch_values_to_profile): Only
11664         scan normal insns.
11665
11666         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
11667         profile in libcalls.
11668
11669 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
11670
11671         * bitmap.h (bitmap_and_compl_into): Return bool.
11672         * bitmap.c (bitmap_and_compl_into): Return changed flag.
11673
11674 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
11675
11676         PR tree-optimization/19944
11677         * fold-const.c (fold): Re-add ABS_EXPR folding.
11678
11679 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
11680
11681         PR target/19019
11682         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
11683         {TARGET,MASK}_XL_COMPAT.
11684         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
11685         MASK_XL_COMPAT.
11686         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
11687         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
11688         TARGET_XL_COMPAT.
11689         (rs6000_arg_partial_bytes): Same.
11690         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
11691         and XL compatibility enabled.
11692         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
11693         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
11694         test to final condition.
11695         (cmptf_internal2): New.
11696         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
11697         xl-compat.  Add TFmode information to description.
11698
11699 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
11700
11701         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
11702
11703 2005-02-13  Jason Merrill  <jason@redhat.com>
11704
11705         PR c++/16405
11706         * fold-const.c (fold_indirect_ref_1): Split out from...
11707         (build_fold_indirect_ref): Here.
11708         (fold_indirect_ref): New fn.
11709         * tree.h: Declare it.
11710         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
11711         (gimplify_modify_expr_rhs): Likewise.
11712         (gimplify_expr): Likewise.
11713
11714 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
11715
11716         PR tree-optimization/14303
11717         PR tree-optimization/15784
11718         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
11719         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
11720         ABS_EXPR<x> != 0 to x != 0.
11721
11722 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
11723
11724         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
11725         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
11726         spelling conventions.
11727
11728         * passes.c (rest_of_handle_gcse): Don't run cse_main and
11729         delete_trivially_dead_insns too many times.
11730
11731         * passes.c (rest_of_handle_gcse): Remove dead assignments to
11732         tem and tem2.
11733
11734 2005-02-12  Ira Rosen  <irar@il.ibm.com>
11735
11736         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
11737         (vect_is_simple_iv_evolution): Remove redundant parameter
11738         and step check.
11739         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
11740         without last parameter.
11741         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
11742         Return pointer step. Call vect_is_simple_iv_evolution without
11743         last parameter. Check only that the step is multiple of size
11744         type. Remove stmt_vinfo updates.
11745         (vect_get_memtag_and_dr): Remove.
11746         (vect_get_memtag): New function.
11747         (vect_address_analysis): New function.
11748         (vect_object_analysis): New function.
11749         (vect_analyze_data_refs): Call vect_object_analysis and
11750         vect_get_memtag. Update stmt_vinfo fields.
11751
11752 2005-02-12  Ira Rosen  <irar@il.ibm.com>
11753
11754         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
11755         exist and are objects. Remove checks for pointer.
11756         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
11757         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
11758         (vect_create_data_ref_ptr): Likewise.
11759         (vect_base_addr_differ_p): New function.
11760         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
11761         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
11762         Don't set the DR_BASE_NAME field of data-ref.
11763         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
11764
11765 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
11766
11767         * optabs.h (enum optab_index): Add new OTI_ldexp.
11768         (ldexp_optab): Define corresponding macro.
11769         * optabs.c (init_optabs): Initialize ldexp_optab.
11770         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
11771         patterns.
11772         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
11773         using ldexp_optab.
11774         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
11775         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
11776
11777         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
11778         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
11779         intrinsics.
11780
11781 2005-02-12  Ira Rosen  <irar@il.ibm.com>
11782
11783         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
11784         to base_address.
11785         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
11786         stmt_vec_info.
11787         (vect_get_base_and_offset): Always return an address.
11788         (vect_create_addr_base_for_vector_ref): Remove treatment for
11789         different data reference types.
11790         (vect_compute_data_ref_alignment): Rename base to base_address in
11791         stmt_vec_info. Get the object in order to force its alignment.
11792         (vect_get_memtag_and_dr): Rename base to base_address in
11793         stmt_vec_info. Extract the object for memtag analysis.
11794
11795 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
11796
11797         PR regression/19898.
11798         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
11799         changes cc_status, use apply modified_in_p to part of cc_status
11800         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
11801         body.
11802
11803 2005-02-11  Richard Henderson  <rth@redhat.com>
11804
11805         * tree-complex.c (expand_complex_libcall): New.
11806         (expand_complex_multiplication): Use it for c99 compliance.
11807         (expand_complex_division): Likewise.
11808         * fold-const.c (fold_complex_add, fold_complex_mult): New.
11809         (fold): Call them.
11810         * builtins.c (built_in_names): Remove const.
11811         * tree.c (build_common_builtin_nodes): Build complex arithmetic
11812         builtins.
11813         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
11814         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
11815         (built_in_names): Remove const.
11816         * c-common.c (c_common_type_for_mode): Handle complex modes.
11817         * flags.h, toplev.c (flag_complex_method): Rename from
11818         flag_complex_divide_method.
11819         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
11820         __mulsc3, __muldc3, __mulxc3, __multc3): New.
11821         * libgcc2.h: Declare them.
11822         * libgcc-std.ver: Export them.
11823         * mklibgcc.in (lib2funcs): Build them.
11824
11825 2005-02-11  Steven Bosscher  <stevenb@suse.de>
11826
11827         PR tree-optimization/19876
11828         Partially revert my change from 2005-01-14
11829         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
11830         (compute_antic): ...and remove the loop here.
11831
11832 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
11833
11834         PR middle-end/19858
11835         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
11836         is number of inner's bits, avoid creating a BIT_FIELD_REF.
11837
11838         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
11839         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
11840
11841 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
11842
11843         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
11844         offsets for the big-endian 32-bit case.
11845
11846 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
11847
11848         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
11849
11850 2005-02-11  Dale Johannesen  <dalej@apple.com>
11851
11852         * cselib.c (cselib_process_insn):  Clear out regs where
11853         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
11854         * reload.c (find_equiv_reg): Ditto.
11855
11856 2005-02-11  Ian Lance Taylor  <ian@airs.com>
11857
11858         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
11859         with no elements.
11860
11861         * tree.c (build_function_type_list): Work correctly if there are
11862         no arguments.
11863
11864 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
11865
11866         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
11867         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
11868         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
11869         TARGET_ZARCH instead of TARGET_64BIT.
11870
11871 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
11872
11873         * config/rs6000/t-rtems:
11874         (MULTILIB_OPTIONS): Remove mcpu=602.
11875         (MUTLILIB_DIRNAMES): Remove m602.
11876         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
11877         Let mcpu=602 match mcpu=603.
11878         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
11879
11880 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11881
11882         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
11883         signal trampolines.
11884
11885 2005-02-10  David Daney  <ddaney@avtrex.com>
11886
11887         * config/alpha/linux-unwind.h: Add exception clause to copyright.
11888         * config/i386/linux-unwind.h: Likewise.
11889         * config/ia64/linux-unwind.h: Likewise.
11890         * config/mips/linux-unwind.h: Likewise.
11891         * config/pa/linux-unwind.h: Likewise.
11892         * config/rs6000/linux-unwind.h: Likewise.
11893         * config/s390/linux-unwind.h: Likewise.
11894         * config/sh/linux-unwind.h: Likewise.
11895         * config/sparc/linux-unwind.h: Likewise.
11896
11897 2005-02-10  Steven Bosscher  <stevenb@suse.de>
11898
11899         PR tree-optimization/17549
11900         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
11901         TER to replace a DEF with its expression if the DEF and the
11902         rhs of the expression we replace into have the same root
11903         variable.
11904
11905 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
11906
11907         * config/mips/mips.md: Fix the placement of the match_scratch in the
11908         lea64 peephole2.
11909
11910 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
11911
11912         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
11913         Fix comment typos.
11914
11915 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
11916
11917         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
11918         (strip_offset): Handle addresses.
11919         (add_address_candidates): Use strip_offset.
11920         (difference_cost): Reflect strip_offset change.
11921         (force_var_cost, difference_cost): Strip nops.
11922
11923 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
11924
11925         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
11926
11927         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
11928         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
11929         config/cris/cris-protos.h, config/cris/cris.c: Update
11930         copyright.
11931
11932 2005-02-10  Jeff Law  <law@redhat.com>
11933
11934         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
11935         (lookup_avail_expr): Similarly.
11936
11937 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
11938
11939         * builtins.c (fold_builtin_powi): New function.
11940         (fold_builtin_1): Call it.
11941
11942 2005-02-10  Steven Bosscher  <stevenb@suse.de>
11943
11944         PR documentation/19309
11945         * doc/cpp.texi: The __GNUC__ and related predefined macros
11946         are also defined for the "standalone" cpp.
11947         Some non-GCC compilers may also define __GNUC__.
11948
11949 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
11950
11951         PR c/19342
11952         * c-typeck.c (common_type): New routine.  Old common_type renamed
11953         to...
11954         (c_common_type): ...this.
11955         (build_conditional_expr, build_binary_op): Use c_common_type instead
11956         of common_type.
11957
11958 2005-02-10  Steven Bosscher  <stevenb@suse.de>
11959
11960         * doc/md.texi: Replace @samp{length} with @code{length}.
11961
11962 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
11963
11964         PR tree-optimization/18687
11965         * tree-flow.h (find_loop_niter): Declare.
11966         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
11967         Try using scev even for loops with more than one exit.
11968         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
11969         (struct ivopts_data): Added niters field.
11970         (struct nfe_cache_elt): New.
11971         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
11972         functions.
11973         (tree_ssa_iv_optimize_init): Initialize niters cache.
11974         (determine_number_of_iterations): Removed.
11975         (find_induction_variables): Do not call determine_number_of_iterations.
11976         Access niters for single exit through niter_for_single_dom_exit.
11977         (add_iv_outer_candidates): Access niters for single exit through
11978         niter_for_single_dom_exit.
11979         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
11980         number_of_iterations_cond.
11981         (iv_period): New function.
11982         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
11983         (may_replace_final_value): Take data argument.  Use
11984         niter_for_single_dom_exit.
11985         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
11986         (rewrite_use_compare): Pass data to may_eliminate_iv.
11987         (rewrite_use_outer): Pass data to may_replace_final_value.
11988         (free_loop_data): Clean up the niters cache.
11989         (tree_ssa_iv_optimize_finalize): Free the niters cache.
11990         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
11991         * tree-ssa-loop-niter.c (find_loop_niter): New function.
11992         (find_loop_niter_by_eval): Use tree_int_cst_lt.
11993         (num_ending_zeros): Moved to tree.c.
11994         * tree.h (num_ending_zeros): Declare.
11995         * tree.c (num_ending_zeros): Moved from tree.c.
11996
11997 2005-02-09  Richard Henderson  <rth@redhat.com>
11998
11999         * builtins.c (DEF_BUILTIN): Add COND argument.
12000         * tree.h (DEF_BUILTIN): Likewise.
12001         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
12002         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
12003         match.
12004         (DEF_BUILTIN_STUB): New.
12005         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
12006         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
12007         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
12008         * c-common.c (DEF_BUILTIN): Add COND argument.
12009         * tree.c (local_define_builtin): New.
12010         (build_common_builtin_nodes): New.
12011
12012 2005-02-09  Roger Sayle  <roger@eyesopen.com>
12013
12014         * fold-const.c (fold_strip_sign_ops): New function to simplify a
12015         floating point expression ignoring the sign of the result.
12016         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
12017         (fold) <MULT_EXPR>: Use it to simplify x*x.
12018         * tree.h (fold_strip_sign_ops): Prototype here.
12019         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
12020         argument.  Use fold_strip_sign_ops to simplify the first argument.
12021         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
12022         first argument when the second argument is an even integer
12023         constant, but only with -funsafe_math_optimizations.
12024         (fold_builtin_1): Update call to fold_builtin_copysign.
12025
12026 2005-02-09  Ian Lance Taylor  <ian@airs.com>
12027
12028         PR middle-end/19583
12029         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
12030         just check whether EH_FILTER_FAILURE falls through.
12031
12032 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
12033
12034         * gcc/haifa-sched.c (schedule_block): Make queued sched group
12035         insns return to ready list in the next turn.
12036
12037 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
12038
12039         PR middle-end/19402
12040         * builtins.def: New __builtin_powi[lf].
12041         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
12042         (expand_builtin_powi): New function.
12043         (expand_builtin): Dispatch to expand_builtin_powi.
12044         * libgcc2.h: Add prototypes for __builtin_powi[lf].
12045         * libgcc2.c: Add __builtin_powi[lf] implementation.
12046         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
12047         * optabs.h: Add powi_optab.
12048         * optabs.c (init_optabs): Initialize powi_optab.
12049         * doc/extend.texi: Document __builtin_powi[lf].
12050
12051 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
12052
12053         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
12054         exists.
12055
12056 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
12057
12058         PR middle-end/19854
12059         * fold-const.c (try_move_mult_to_index): Remove redundant
12060         type argument.  Create ADDR_EXPR with correct type.
12061         (fold): Update callers of try_move_mult_to_index.  Convert
12062         result to the appropriate type.
12063
12064 2005-02-09  Roger Sayle  <roger@eyesopen.com>
12065
12066         PR target/19597
12067         * config/avr/avr.c (default_rtx_costs): Delete.
12068         (avr_operand_rtx_cost): New function.
12069         (avr_rtx_costs): Completely rewrite.
12070
12071 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
12072
12073         PR target/19806
12074         * config/cris/cris.c (in_code): New variable.
12075         (cris_output_addr_const): Now a static function, a wrapper for
12076         output_addr_const.
12077         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
12078         case from old cris_output_addr_const.
12079         (cris_asm_output_label_ref): Similar for LABEL_REF.
12080         (cris_output_addr_const_extra): Similar for UNSPEC.
12081         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
12082         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
12083         * config/cris/cris-protos.h (cris_output_addr_const): Remove
12084         declaration.
12085         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
12086         (cris_asm_output_label_ref): Declare.
12087
12088 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
12089
12090         PR preprocessor/19801
12091         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
12092         filenames that changed when libcpp was moved to the toplevel.
12093
12094 2005-02-07  Roger Sayle  <roger@eyesopen.com>
12095
12096         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
12097         zero extensions of BImode operands.  Call lowpart_subreg instead
12098         of gen_lowpart_common and gen_lowpart_SUBREG.
12099
12100 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
12101
12102         PR ada/19489
12103         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
12104         * configure.ac: Set cc_for_cross_gnattools.
12105         * configure: Regenerate.
12106
12107 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
12108
12109         PR target/19803
12110         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
12111
12112 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
12113
12114         PR debug/19327
12115         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
12116         of nested functions.
12117
12118 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
12119
12120         * doc/extend.texi: Document deprecated extensions allowing
12121         static floating-point members to have initializers and allowing
12122         floating-point literals in integral constant expressions.
12123
12124 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
12125
12126         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
12127         config/darwin7.h, config/mips/mips.c,
12128         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
12129         Update copyright.
12130
12131         * cse.c: Update comments.
12132
12133 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
12134
12135         PR middle-end/19775
12136         * builtins.c (fold_builtin_sqrt): Transform
12137         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
12138         pow(x,y*0.5).
12139
12140 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
12141             Dorit Naishlos  <dorit@il.ibm.com>
12142
12143         * doc/invoke.texi (ftree-vectorizer-verbose): New.
12144         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
12145         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
12146         was added.
12147         * tree.h (vect_set_verbosity_level): New extern function declaration
12148         added.
12149         * tree-vectorizer.h (verbosity_levels): New enum type.
12150         * tree-vectorizer.c (vect_debug_stats): Function removed.
12151         (vect_debug_details): Likewise.
12152         (vect_verbosity_level): Global variable was defined and initialized.
12153         (vect_dump): Global variable definition.
12154         (vect_print_dump_info): New function.
12155         (vect_set_dump_settings): New function.
12156         (vect_set_verbosity_level): New function.
12157         (vectorize_loops): Add call to vect_set_dump_settings.
12158
12159         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
12160         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
12161         (slpeel_tree_peel_loop_to_edge): Likewise.
12162
12163         (vect_analyze_offset_expr): Call to vect_print_dump_info with
12164         appropriate verbosity level instead of call to vect_debug_details
12165         or vect_debug_stats.
12166         (vect_get_base_and_offset):
12167         (vect_create_addr_base_for_vector_ref):
12168         (get_vectype_for_scalar_type):
12169         (vect_create_data_ref_ptr):
12170         (vect_init_vector):
12171         (vect_get_vec_def_for_operand):
12172         (vect_finish_stmt_generation):
12173         (vectorizable_assignment):
12174         (vectorizable_operation):
12175         (vectorizable_store):
12176         (vectorizable_load):
12177         (vect_transform_stmt):
12178         (vect_update_ivs_after_vectorizer):
12179         (vect_do_peeling_for_loop_bound):
12180         (vect_update_inits_of_drs):
12181         (vect_do_peeling_for_alignment):
12182         (vect_transform_loop):
12183         (vect_is_simple_use):
12184         (vect_analyze_operations):
12185         (vect_is_simple_iv_evolution):
12186         (vect_analyze_scalar_cycles):
12187         (vect_analyze_data_ref_dependence):
12188         (vect_analyze_data_ref_dependences):
12189         (vect_compute_data_ref_alignment):
12190         (vect_enhance_data_refs_alignment):
12191         (vect_analyze_data_refs_alignment):
12192         (vect_analyze_data_ref_access):
12193         (vect_analyze_data_ref_accesses):
12194         (vect_analyze_pointer_ref_access):
12195         (vect_get_memtag_and_dr):
12196         (vect_analyze_data_refs):
12197         (vect_mark_relevant):
12198         (vect_stmt_relevant_p):
12199         (vect_mark_stmts_to_be_vectorized):
12200         (vect_can_advance_ivs_p):
12201         (vect_get_loop_niters):
12202         (vect_analyze_loop_form):
12203         (vect_analyze_loop):
12204         (vectorize_loops): Likewise.
12205
12206         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
12207         (vect_update_inits_of_drs):
12208         (vect_do_peeling_for_alignment):
12209         (vect_transform_loop):
12210         (vect_analyze_operations):
12211         (vect_analyze_scalar_cycles):
12212         (vect_analyze_data_ref_dependences):
12213         (vect_analyze_data_refs_alignment):
12214         (vect_analyze_data_ref_accesses):
12215         (vect_analyze_data_refs):
12216         (vect_mark_stmts_to_be_vectorized):
12217         (vect_get_loop_niters):
12218         (vect_analyze_loop_form):
12219         (vect_analyze_loop): Likewise.
12220         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
12221
12222 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
12223
12224         PR bootstrap/19796
12225         Revert:
12226         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
12227         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
12228         either -ffast-math or -funsafe-math-optimizations is in use.
12229
12230         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
12231         * config/mips/irix-csr.c: New file.
12232         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
12233         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
12234         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
12235         executables.
12236
12237 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
12238
12239         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
12240         redundant, incorrect definitions.
12241
12242         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
12243         expand.
12244         ("*tls_indirect_call"): New, reference hard regs directly.
12245         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
12246
12247 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
12248
12249         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
12250         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
12251
12252 2005-02-06  Roger Sayle  <roger@eyesopen.com>
12253
12254         PR rtl-optimization/19800
12255         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
12256         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
12257         gen_lowpart.
12258
12259 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
12260
12261         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
12262
12263 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
12264
12265         PR other/17135
12266         * doc/invoke.texi: Correct documentation of -freorder-functions.
12267
12268 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
12269
12270         PR other/14402
12271         * doc/invoke.texi: Don't mention gccbug.
12272
12273 2005-02-06  Roger Sayle  <roger@eyesopen.com>
12274             Andrew Pinski  <pinskia@physics.uc.edu>
12275             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
12276
12277         * simplify-rtx.c (simplify_relational_operation_1): Simplify
12278         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
12279         into just (zero_extract:SI FOO (const_int 1) BAR).
12280
12281 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
12282
12283         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
12284         macro locally.  Don't give last revision date.  Use GCC version
12285         number from gcc-common.texi.
12286         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
12287         revision date.  Use GCC version number from gcc-common.texi.
12288         Describe being a library as current state rather than as 3.x
12289         history.
12290         * doc/gcc.texi: Remove last update date.
12291         * doc/gccint.texi: Likewise.  Update copyright dates.
12292         * doc/install.texi: Update copyright dates.
12293
12294 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
12295
12296         PR other/7549
12297         * doc/invoke.texi: Mention for each option included in -Wall that
12298         it is included in -Wall.
12299         * doc/gcc.texi: Update copyright and last modification date.
12300
12301 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
12302
12303         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
12304         unnecessary cast to original induction variable increments.
12305
12306 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
12307
12308         PR tree-optimization/18219
12309         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
12310         in distributed form.
12311
12312 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
12313
12314         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
12315         Set bitpos and offset later in the function.  Do nothing if the
12316         target is a register and if the bitfield lies completely outside
12317         that register.
12318         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
12319         here.  Return an uninitialised register if the source value is stored
12320         in a register and the bitfield lies completely outside that register.
12321
12322 2005-02-06  Steven Bosscher  <stevenb@suse.de>
12323
12324         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
12325         not SET_DEST.
12326
12327 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
12328
12329         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
12330
12331 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
12332
12333         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
12334         * config/darwin8.h: New.
12335         * config/darwin7.h: Update comment.
12336
12337 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
12338             Dorit Naishlos  <dorit@il.ibm.com>
12339
12340         * tree-vectorizer.h (LOC): New type.
12341         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
12342         (loop_line_number): New field in struct _loop_vec_info.
12343         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
12344
12345         * tree-vectorizer.c (input.h): Included.
12346         (find_loop_location): New function.
12347         (vect_debug_stats): Argument changed from loop to LOC. Computation of
12348         loop line number removed.
12349         (vect_debug_details): Likewise.
12350         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
12351
12352         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
12353         call to vect_debug_details/stats changed from loop to loop_loc.
12354         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
12355         (slpeel_tree_peel_loop_to_edge): Likewise.
12356
12357         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
12358         changed from NULL to UNKNOWN_LOC.
12359         (vect_get_base_and_offset):
12360         (vect_create_addr_base_for_vector_ref):
12361         (get_vectype_for_scalar_type):
12362         (vect_create_data_ref_ptr):
12363         (vect_init_vector):
12364         (vect_get_vec_def_for_operand):
12365         (vect_finish_stmt_generation):
12366         (vectorizable_assignment):
12367         (vectorizable_operation):
12368         (vectorizable_store):
12369         (vectorizable_load):
12370         (vect_transform_stmt):
12371         (vect_update_ivs_after_vectorizer):
12372         (vect_do_peeling_for_loop_bound):
12373         (vect_do_peeling_for_alignment):
12374         (vect_transform_loop):
12375         (vect_is_simple_use):
12376         (vect_analyze_operations):
12377         (vect_is_simple_iv_evolution):
12378         (vect_analyze_scalar_cycles):
12379         (vect_analyze_data_ref_dependences):
12380         (vect_compute_data_ref_alignment):
12381         (vect_enhance_data_refs_alignment):
12382         (vect_analyze_data_ref_access):
12383         (vect_analyze_data_ref_accesses):
12384         (vect_analyze_pointer_ref_access):
12385         (vect_get_memtag_and_dr):
12386         (vect_analyze_data_refs):
12387         (vect_mark_relevant):
12388         (vect_stmt_relevant_p):
12389         (vect_mark_stmts_to_be_vectorized):
12390         (vect_can_advance_ivs_p):
12391         (vect_get_loop_niters):
12392         (vect_analyze_loop):
12393         (vectorize_loops): Likewise.
12394
12395         (vectorizable_load): Argument in call to vect_debug_details/stats
12396         changed from loop to LOOP_LOC (loop_vinfo).
12397         (vect_transform_loop):
12398         (vect_analyze_operations):
12399         (vect_analyze_scalar_cycles):
12400         (vect_analyze_data_ref_dependence):
12401         (vect_enhance_data_refs_alignment):
12402         (vect_analyze_data_ref_accesses):
12403         (vect_analyze_pointer_ref_access):
12404         (vect_analyze_data_refs):
12405         (vect_analyze_loop): Likewise.
12406
12407         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
12408         changed from loop to loop_loc.
12409
12410         (vect_enhance_data_refs_alignment): Removed unused variable loop.
12411
12412 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
12413             Dorit Naishlos  <dorit@il.ibm.com>
12414
12415         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
12416         declaration added.
12417         (vect_analyze_data_ref_dependences): Likewise.
12418
12419         (vect_is_simple_use): Argument changed from loop structure to
12420         loop_vect_info structure.
12421         (vect_can_advance_ivs_p): Likewise.
12422         (vect_create_index_for_vector_ref): Likewise.
12423         (vect_update_ivs_after_vectorizer): Likewise.
12424         (new_stmt_vec_info): Likewise.
12425
12426         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
12427         changed from loop to loop_vinfo.
12428         (vect_create_data_ref_ptr): First argument in call to
12429         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
12430         (vectorizable_assignment): Second argument in call to vect_is_simple_use
12431         was changed from loop to loop_vinfo.
12432         (vectorizable_operation): Likewise.
12433         (vectorizable_store): Likewise.
12434         (vect_mark_stmts_to_be_vectorized): Likewise.
12435         (vect_do_peeling_for_loop_bound): First argument in call to
12436         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
12437         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
12438         was changed from loop to loop_vinfo.
12439         (vect_analyze_data_ref_dependences): Third argument in call to
12440         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
12441
12442         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
12443         (vect_create_data_ref_ptr): Likewise.
12444         (vect_init_vector): Likewise.
12445         (vect_get_vec_def_for_operand): Likewise.
12446         (vectorizable_assignment): Likewise.
12447         (vectorizable_operation): Likewise.
12448         (vectorizable_store): Likewise.
12449         (vectorizable_load): Likewise.
12450         (vect_update_ivs_after_vectorizer): Likewise.
12451         (vect_is_simple_use): Likewise.
12452         (vect_analyze_data_ref_dependence): Likewise.
12453         (vect_analyze_pointer_ref_access): Likewise.
12454         (vect_can_advance_ivs_p): Likewise.
12455
12456         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
12457         before _stmt_vec_info.
12458         (_stmt_vec_info): Loop field replaced by loop_vec_info.
12459         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
12460         (new_stmt_vec_info): Argument changed from loop structure to
12461         loop_vect_info structure
12462
12463         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
12464         (vect_analyze_offset_expr): Avoid 80 columns overflow.
12465         (vect_create_addr_base_for_vector_ref): Likewise.
12466         (vect_analyze_pointer_ref_access): Likewise.
12467
12468 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
12469
12470         PR tree-opt/19768
12471         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
12472         phi flag if the phi is abnormal.
12473
12474 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
12475
12476         PR tree-opt/19736
12477         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
12478         information for the new statement.
12479
12480 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
12481
12482         PR driver/19117
12483         * gcc.c (main): Include the target in -v output.
12484
12485 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
12486
12487         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
12488         Do not drop the extend if we'd have to add a paradoxical subreg
12489         later.  Include optabs.h and insn-codes.h.
12490         * Makefile.in (combine.o): Depend on $(OPTABS_H).
12491
12492 2005-02-02  Roger Sayle  <roger@eyesopen.com>
12493
12494         PR middle-end/19405
12495         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
12496         * fold-const.c (const_binop): Avoid constant folding floating
12497         point operations in modes that use composite representations.
12498         * simplify-rtx.c (simplify_binary_operation): Likewise.
12499
12500 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
12501
12502         * config/rs6000/altivec.md (altivec_dst): Make the first operand
12503         a REG, not a MEM.
12504         (altivec_dstt): Likewise.
12505         (altivec_dstst): Likewise.
12506         (altivec_dststt): Likewise.
12507         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
12508         of first operand.
12509
12510 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12511
12512         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
12513         EXPR_LOCUS from orig_cond to the new cond_stmt.
12514         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
12515         the new vec_stmt.
12516
12517 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12518
12519         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
12520         standard_iv_increment_position. Remove call to bsi_next
12521         (no need to bump the iterator anymore).
12522         (vect_create_index_for_vector_ref): Call
12523         standard_iv_increment_position. Remove second function argument.
12524         (vect_finish_stmt_generation): Remove call to bsi_next
12525         (no need to bump the iterator anymore).
12526         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
12527         to vect_create_index_for_vector_ref.
12528
12529 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12530
12531         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
12532         phis are used out of the loop.
12533
12534 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
12535
12536         PR c/17807
12537         * c-decl.c (undef_nested_function): New variable.
12538         (pop_scope): Diagnose undefined nested functions.
12539         (finish_function): Don't attempt cgraph processing or genericizing
12540         if current top-level function contained an undefined nested
12541         function.  Reset undef_nested_function at the end of a top-level
12542         function.
12543
12544 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
12545
12546         * tree.c (build_int_cst_type): Take sign of the value into account
12547         when deciding whether sign extend the value.
12548
12549 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
12550
12551         PR c/18502
12552         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
12553         (cpp_options, cc1_options): Change %{std*&ansi} to
12554         %{std*&ansi&trigraphs}.
12555
12556 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
12557
12558         * cse.c: Update comments.
12559
12560 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
12561
12562         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
12563         arguments go on the stack.  Do not put complex doubles in odd/even
12564         pairs.
12565
12566 2005-02-02  Steven Bosscher  <stevenb@suse.de>
12567
12568         * doc/invoke.texi: Update the options enabled at -O1, -O2,
12569         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
12570         -ftree-pre, and -fthread-jumps.
12571
12572 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
12573
12574         PR tree-optimization/19578
12575         * tree-flow.h (modified_noreturn_calls): Declare.
12576         (noreturn_call_p): Declare.
12577         * tree-flow-inline.h (noreturn_call_p): New function.
12578         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
12579         * tree-cfg.c (modified_noreturn_calls): New variable.
12580         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
12581         that contain a mid-block noreturn call.
12582         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
12583
12584 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
12585
12586         * df.c (df_def_record_1, df_uses_record): Don't use
12587         DF_FOR_REGALLOC.
12588         * df.h (DF_FOR_REGALLOC): Remove.
12589
12590 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
12591
12592         PR c/19435
12593         * c-typeck.c (really_start_incremental_init): Reset
12594         constructor_max_index for arrays of incomplete type.
12595
12596 2005-02-02  Jeff Law  <law@redhat.com>
12597
12598         * gcse.c (struct reg_set): Store the block index where the register
12599         was set rather than the setting insn.
12600         (record_one_set, compute_transp): Corresponding changes.
12601         (pre_insert_copy_insn): Do not call replace_one_set.
12602         (replace_one_set): Remove.
12603
12604 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
12605
12606         PR other/15514
12607         * doc/gcov.texi: Fix typo.
12608
12609 2005-02-01  Richard Henderson  <rth@redhat.com
12610
12611         PR target/19680
12612         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
12613         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
12614         type to bool.
12615         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
12616         * config/i386/i386-protos.h: Update.
12617
12618 2005-02-01  Steven Bosscher  <stevenb@suse.de>
12619
12620         PR tree-optimization/19217
12621         * tree-cfg.c (verify_expr): Use the data field to see if TP was
12622         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
12623         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
12624         that it is walking a PHI node.
12625
12626 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
12627
12628         * doc/extend.texi (Nested Functions): Update.
12629
12630 2005-02-01  Richard Henderson  <rth@redhat.com>
12631
12632         PR 19696
12633         * optabs.c (expand_copysign_absneg): Export.
12634         * optabs.h (expand_copysign_absneg): Declare.
12635         * config/rs6000/rs6000.md (copysigntf3): New.
12636
12637 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
12638
12639         PR tree-optimization/19633
12640         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
12641         * tree-ssa-alias.c (init_alias_info): Initialize.
12642         (merge_pointed_to_info): Set.
12643         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
12644         (dump_points_to_info_for): Show value of pt_null.
12645         (struct count_ptr_d): Declare.
12646         (find_ptr_dereference): Remove.
12647         (ptr_is_dereferenced_by): Remove.
12648         (count_ptr_derefs): New local function.
12649         (count_uses_and_derefs): New local function.
12650         (compute_points_to_and_addr_escape): Call it.  If the number
12651         of dereferences is greater than zero, mark the pointer as
12652         dereferenced.  If there are fewer dereferences than uses of
12653         the pointer, the pointer's value escapes.
12654
12655 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
12656
12657         PR tree-optimization/19670
12658         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
12659         here...
12660         (verify_use): ... set it here, instead.
12661
12662 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
12663
12664         * doc/sourcebuild.texi (Test directives): Fix formatting.
12665
12666         * doc/sourcebuild.texi (Test directives): Describe selector
12667         expressions.
12668
12669 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
12670
12671         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
12672         specific 64-bit CPUs.
12673
12674 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
12675
12676         PR target/16201
12677         * arm.c (arm_eliminable_register): New function.
12678         (adjacent_mem_locations): Don't allow eliminable registers.  Use
12679         HOST_WIDE_INT for address offsets.
12680         * arm-protos.h (arm_eliminable_register): Add prototype.
12681
12682 2005-02-01  Steven Bosscher  <stevenb@suse.de>
12683
12684         PR optimization/15242
12685         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
12686         * basic-block.h (duplicate_computed_gotos): Add prototype.
12687         * bb-reorder.c (duplicate_computed_gotos): New function to
12688         duplicate sufficiently small blocks ending in a computed jump.
12689         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
12690         if not optimizing for size.
12691         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
12692         never do tail merging for blocks ending in a computed jump.
12693         * doc/invoke.texi: Document the max-goto-duplication-insns param.
12694
12695 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
12696
12697         Patch from Richard Sandiford <rsandifo@redhat.com>
12698         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
12699         from inheriting a subreg equivalence with a non-spill register.
12700
12701         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
12702
12703 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
12704
12705         * config/frv/frv.c (movcc_fp_destination_operand): New.
12706         (gpr_or_memory_operand): Fix typo in comment.
12707         (gpr_or_memory_operand_with_scratch): New.
12708         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
12709         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
12710         movcc_fp_destination_operand.
12711         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
12712         Legitimize memory addresses using a scratch register.
12713
12714 2005-01-31  Jeff Law  <law@redhat.com>
12715
12716         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
12717         bitmap a sparse bitmap instead of a simple bitmap.
12718         (mark_def_sites_initialize_block):  Corresponding changes.
12719         (ssa_mark_def_sites_initialize_block): Likewise.
12720         (ssa_mark_phi_uses): Likewise.
12721         (mark_def_site, ssa_mark_def_sites): Likewise.
12722         (mark_def_site_blocks): Likewise.
12723         (rewrite_ssa_into_ssa): Likewise.
12724
12725         * tree-ssa-dom.c (record_cond): Pass correct variable type
12726         for last argument to htab_find_slot_with_hash.
12727
12728         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
12729         effects when optimizing 0 % X.  Do not try to optimize X % 0.
12730
12731 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
12732
12733         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
12734         1_mmalua.
12735
12736 2005-02-01  Eric Christopher  <echristo@redhat.com>
12737
12738         * config/mips/mips.c (override_options): Warn if -mint64
12739         is used.
12740         * doc/invoke.texi (MIPS Options): Document that -mint64 is
12741         deprecated.
12742
12743 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
12744
12745         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
12746         timestamp.
12747         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
12748         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
12749         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
12750         (cached_regno): Initialize to INVALID_REGNUM.
12751         (cse_reg_info_table_size,
12752         cse_reg_info_table_first_uninitialized,
12753         cse_reg_info_timestamp): New.
12754         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
12755         get_cse_reg_info.
12756         (init_cse_reg_info, get_cse_reg_info_1): New.
12757         (get_cse_reg_info): Cache the last look-up.
12758         (new_basic_block): Update the code to clear mappings from
12759         registers to cse_reg_info entries.
12760         (cse_main): Call init_cse_reg_info.
12761
12762         * cse.c (get_cse_reg_info): Update a comment.
12763
12764 2005-01-31  Steven Bosscher  <stevenb@suse.de>
12765
12766         PR c/19333
12767         * c-decl.c (start_decl): Do not warn about arrays of elements with
12768         an incomplete type here.
12769         (grokdeclarator): Do it here by making a pedwarn an error.
12770         * c-typeck.c (push_init_level): If there were previous errors with
12771         the constructor type, do not warn about braces for initializers.
12772         (process_init_element): Likewise for excess initializer elements.
12773
12774 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12775
12776         * cse.c (delete_trivially_dead_insn): Don't iterate.
12777
12778 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
12779
12780         * config/rs6000/rs6000.md (copysignsf3): New expand.
12781         (copysigndf3): Likewise.
12782
12783 2005-01-31  Steven Bosscher  <stevenb@suse.de>
12784
12785         * recog.c (constrain_operands): Only look for earlyclobber operand
12786         conflicts if an '&' constraint was seen.
12787
12788 2005-01-31  Marc Espie <espie@openbsd.org>
12789
12790         * config.gcc: Don't include embedded systems fragment, switches default
12791         debugging format to ELF.
12792         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
12793         longer pick it up there.
12794
12795 2005-01-31  Dale Johannesen  <dalej@apple.com>
12796
12797         * doc/extend.texi (nested functions): Fix linkage description.
12798         Clarify that static is not allowed.
12799
12800 2005-01-31  Dale Johannesen  <dalej@apple.com>
12801
12802         * config/rs6000/darwin.md (movsf_low_di):  Make work.
12803         (movdf_low_di):  Make work.
12804
12805 2005-01-31  Dale Johannesen  <dalej@apple.com>
12806
12807         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
12808         Make work for 64 bit.
12809
12810 2005-01-31  Roger Sayle  <roger@eyesopen.com>
12811             Dale Johannesen  <dalej@apple.com>
12812
12813         PR middle-end/19650
12814         * fold-const.c (fold_binary_op_with_conditional_arg):
12815         Make types match original operands, before STRIP_NOPS.
12816
12817 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
12818
12819         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
12820         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
12821         (struct gcc_sigcontext): Delete.  Merge contents to..
12822         (struct gcc_ucontext): ..here.
12823         (get_sigcontext): Delete.
12824         (get_regs): New function, like get_sigcontext but return regs ptr.
12825         64-bit version finds regs from r1 to support vdso.
12826         (ppc_linux_aux_vector): New function.
12827         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
12828         and vector regs.
12829
12830 2005-01-31  Ira Rosen  <irar@il.ibm.com>
12831
12832         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
12833         sizetype.
12834         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
12835         redundant fold. Fix misalignment for MINUS_EXPR.
12836         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
12837         (vect_analyze_pointer_ref_access): Likewise.
12838         (vect_get_memtag_and_dr): Likewise.
12839
12840 2005-01-31  Richard Henderson  <rth@redhat.com>
12841
12842         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
12843         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
12844         absnegdf2_i387, absnegxf2_i387): Likewise.
12845
12846 2005-01-31  Richard Henderson  <rth@redhat.com>
12847
12848         PR 19696
12849         * optabs.c (expand_copysign_absneg): New.
12850         (expand_copysign_bit): Split out from ...
12851         (expand_copysign): ... here.  Use expand_copysign_absneg.
12852
12853 2005-01-30  Roger Sayle  <roger@eyesopen.com>
12854
12855         PR middle-end/19697
12856         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
12857         constant as the second operand and a register as the third.
12858
12859 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
12860
12861         PR target/19704
12862         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
12863         that dllimport'd functions do not use all call-clobbered registers
12864         to pass parameters.
12865
12866 2005-01-30  Richard Henderson  <rth@redhat.com>
12867
12868         PR 19696
12869         * optabs.c (expand_absneg_bit): Split out from expand_unop and
12870         expand_abs_nojump and generalize.  Use operand_subword and
12871         emit_no_conflict_block.  Support large modes.
12872         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
12873         back to maximum.
12874         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
12875         negation to subtraction.
12876         (expand_copysign): Check that the format has signed zeros.
12877         Use operand_subword and emit_no_conflict_block.  Support large modes.
12878
12879 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
12880
12881         Fix PR tree-optimization/19624
12882
12883         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
12884         * tree-ssa-pre.c: Add cfgloop.h.
12885         Update comment.
12886         (pre_stats): New member, constified.
12887         (inserted_exprs): New static variable.
12888         (NECESSARY): New macro.
12889         (create_expression_by_pieces): Fold the expression, and
12890         mark it as defaulting to not necessary. Also put in
12891         inserted_exprs.
12892         (fully_constant_expression): New function.
12893         (insert_into_preds_of_block): Modify to not insert phis when we
12894         are playing with induction variables.
12895         Push phis onto the inserted_exprs vector, and mark them as not
12896         necessary by default.
12897         (insert_aux): Call fully_constant_expression on eprime.
12898         If all edges produce the same value, mark it constant.
12899         (mark_operand_necessary): New function.
12900         (remove_dead_inserted_code): New function.
12901         (init_pre): Init loop optimizer to get loop info.
12902         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
12903         (execute_pre): Commit edge inserts, then remove dead code.
12904
12905 2005-01-30  Richard Henderson  <rth@redhat.com>
12906
12907         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
12908         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
12909
12910 2005-01-30  Richard Henderson  <rth@redhat.com>
12911
12912         PR target/19700
12913         * config/i386/i386.c (ix86_expand_copysign): New.
12914         (ix86_split_copysign_const): New.
12915         (ix86_split_copysign_var): Rename from ix86_split_copysign,
12916         rearrange op1/nmask operands.
12917         * config/i386/i386-protos.h: Update.
12918         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
12919         (copysigndf3): Likewise.
12920         (copysignsf3_const, copysigndf3_const): New.
12921         (copysignsf3_var): Rename from copysignsf3, split out splitter
12922         and fix split predicate for X constraint.
12923         (copysigndf3_var): Similarly.
12924
12925 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
12926
12927         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
12928         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
12929         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
12930
12931 2005-01-29  Richard Henderson  <rth@redhat.com>
12932
12933         PR target/19690
12934         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
12935         of # and * in constraints.
12936
12937 2005-01-29  Richard Henderson  <rth@redhat.com>
12938
12939         PR middle-end/19689
12940         * expr.c (store_field): Don't strip sub-mode cast when the input
12941         data is even smaller.
12942
12943 2005-01-29  Richard Henderson  <rth@redhat.com>
12944
12945         PR middle-end/19687
12946         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
12947         union being empty.
12948
12949 2005-01-29  Richard Henderson  <rth@redhat.com>
12950
12951         * combine.c (make_field_assignment): Fix argument order
12952         to gen_int_mode.
12953
12954 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
12955
12956         PR tree-optimization/15791
12957         * fold-const.c (extract_array_ref): New function.
12958         (fold): Fold comparisons between &a[i] and &a[j] or
12959         semantically equivalent trees.
12960
12961 2005-01-29  Jeff Law  <law@redhat.com>
12962
12963         * gcse.c (insert_expr_in_table): Revamp handling of available
12964         and anticipatable occurrence lists to avoid unnecessary list
12965         walking.
12966         (insert_set_in_table): Similarly.
12967
12968 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
12969
12970         * c-common.c (fix_string_type): Just use c_build_qualified_type to
12971         build string type.
12972         (c_build_qualified_type): Build qualified array types with
12973         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
12974         * c-decl.c (c_make_fname_decl): Build unqualified array type
12975         before qualified type.
12976         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
12977         type is qualified, not just if type itself is.  Don't apply
12978         qualifiers to array type when declarator is processed.  Apply
12979         qualifiers to field type whether or not it is an array type.
12980         Don't handle array types specially for applying qualifiers to
12981         variables.
12982         * c-typeck.c (composite_type): Build unqualified element type and
12983         array type when forming composite of array types.
12984         (common_pointer_type, comptypes, comp_target_types,
12985         type_lists_compatible_p, build_indirect_ref, build_array_ref,
12986         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
12987         types.
12988         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
12989         (args2) in variables a1 and a2.
12990
12991 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
12992
12993         * cse.c (n_elements_made, max_elements_made): Remove.
12994         (insert): Don't touch n_elements_made.
12995         (cse_main): Don't touch n_elements_made or max_elements_made.
12996
12997 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
12998
12999         PR target/15384
13000         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
13001         configuration part of dp-bit.c to be lost.
13002
13003 2005-01-28  Roger Sayle  <roger@eyesopen.com>
13004
13005         * expmed.c (expand_mult_highpart_optab): When attempting to use
13006         a non-widening multiplication in a wider mode, the operands need
13007         to be converted (zero or sign extended) to that mode.
13008
13009 2005-01-28  Ian Lance Taylor  <ian@airs.com>
13010
13011         PR middle-end/16558
13012         PR middle-end/19583
13013         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
13014         through if both operands fall through.
13015
13016 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
13017
13018         * cse.c (fold_rtx) <PC>: Don't optimize.
13019
13020 2005-01-28  Jeff Law  <law@redhat.com>
13021
13022         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
13023         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
13024
13025 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
13026
13027         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
13028         cse_reg_info_used_list_end): Remove.
13029         (cse_reg_info_list, cse_reg_info_list_free): New.
13030         (get_cse_reg_info): When allocating an instance of
13031         cse_reg_info, add it to the beginning of the cse_reg_info_list
13032         list.  Remove code to maintain cse_reg_info_used_list.
13033         (new_basic_block): Reset the free list to the beginning of
13034         cse_reg_info_list.
13035
13036 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
13037
13038         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
13039         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
13040         (frv_expand_mdpackh_builtin): New function.
13041         (frv_expand_builtin): Use it to expand __MDPACKH.
13042         * doc/extend.texi (__MDPACKH): Update documentation.
13043
13044 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
13045
13046         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
13047         SSE_FLOAT_MODE_P for use_sse computation.
13048
13049 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
13050
13051         PR target/19663
13052         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
13053
13054 2005-01-27  Richard Henderson  <rth@redhat.com>
13055
13056         * builtins.c (expand_builtin_copysign): New.
13057         (expand_builtin): Call it.
13058         * genopinit.c (optabs): Add copysign_optab.
13059         * optabs.c (init_optabs): Initialize it.
13060         (expand_copysign): New.
13061         * optabs.h (OTI_copysign, copysign_optab): New.
13062         (expand_copysign): Declare.
13063
13064         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
13065         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
13066
13067         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
13068         (ix86_expand_fp_absneg_operator): ... here.
13069         (ix86_split_copysign): New.
13070         * config/i386/i386-protos.h: Update.
13071         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
13072         (copysignsf3, copysigndf3): New.
13073
13074         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
13075         (copysignsf3, ncopysignsf3): New.
13076         (copysigndf3, ncopysigndf3): New.
13077         (copysignxf3, ncopysignxf3): New.
13078         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
13079
13080 2005-01-27  Arend Bayer  <arend.bayer@web.de>
13081             Kazu Hirata  <kazu@cs.umass.edu>
13082
13083         * cse.c: (find_best_addr): Don't call copy_rtx before calling
13084         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
13085         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
13086         NULL_RTX.
13087
13088 2005-01-27  Jeff Law  <law@redhat.com>
13089
13090         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
13091         definitions of SSA_NAMEs which are not being rewritten.
13092         (rewrite_ssa_into_ssa): Only initialize the current definition
13093         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
13094         If checking is enabled, assert that SSA_NAME_AUX is clear for all
13095         SSA_NAMEs before returning.
13096
13097 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
13098
13099         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
13100         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
13101         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
13102         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
13103         config/mips/iris6.h, config/sh/sh.c: Update copyright.
13104
13105 2005-01-27  Steven Bosscher  <stevenb@suse.de>
13106
13107         PR middle-end/17278
13108         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
13109         higher to -O2 and higher.  Likewise for tree PRE.
13110         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
13111         and better.
13112
13113 2005-01-27  Ian Lance Taylor  <ian@airs.com>
13114
13115         PR middle-end/19583
13116         * gimple-low.c (try_catch_may_fallthru): New static function.
13117         (block_may_fallthru): Handle TRY_CATCH_EXPR.
13118         * tree-inline.c (expand_call_inline): Don't warn about reaching
13119         the end of a non-void function being inlined if the function uses
13120         a return slot.
13121
13122 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
13123
13124         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
13125
13126         PR c/18946
13127         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
13128         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
13129         (implicitly_declare): Handle error_mark_node.
13130
13131 2005-01-27  Richard Henderson  <rth@redhat.com>
13132
13133         PR tree-opt/14329
13134         * tree.h (struct tree_decl): Add debug_expr_is_from.
13135         (DECL_DEBUG_EXPR_IS_FROM): New.
13136         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
13137         * dwarf2out.c (dwarf2out_var_location): Update to match.
13138         * tree-outof-ssa.c (create_temp): Likewise.
13139         * var-tracking.c (track_expr_p): Likewise.
13140         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
13141         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
13142         * toplev.c (default_tree_printer): Likewise.
13143
13144 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
13145
13146         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
13147         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
13148
13149 2005-01-27  Steven Bosscher  <stevenb@suse.de>
13150
13151         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
13152         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
13153         ASM_CLOBBERS): Add tree checks.
13154
13155         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
13156         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
13157         * c-common.def (SWITCH_STMT): Update to match.
13158         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
13159         macros instead of SWITCH_EXPR ones.
13160         * c-dump.c (c_dump_tree): Likewise.
13161         * c-gimplify.c (gimplify_switch_stmt): Likewise.
13162         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
13163
13164         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
13165
13166 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
13167
13168         * unwind-dw2.c (execute_stack_op): Add missing cases for
13169         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
13170
13171 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
13172
13173         * config.gcc (Obsolete configurations): Remove 'dummy', add
13174         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
13175         sparc-*-openbsd*.
13176
13177 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
13178
13179         PR tree-optimization/19633
13180         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
13181         CALL_EXPRs.
13182         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
13183         are no call-clobbered variables.
13184         * tree-outof-ssa.c (check_replaceable): Return false for calls
13185         with side-effects.
13186
13187 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
13188
13189         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
13190         even for variables with NULL DECL_INITIAL.
13191
13192 2005-01-26  Stuart Hastings  <stuart@apple.com>
13193
13194         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
13195
13196 2005-01-26  Richard Henderson  <rth@redhat.com>
13197
13198         PR middle-end/18008
13199         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
13200         field's type.
13201         * expr.c (store_field): Strip conversions to odd-bit-sized types
13202         if the destination field width matches.
13203
13204 2005-01-26  Richard Henderson  <rth@redhat.com>
13205
13206         * c-decl.c, expmed.c, expr.c: Revert last change.
13207
13208 2005-01-26  Richard Henderson  <rth@redhat.com>
13209
13210         PR middle-end/18008
13211         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
13212         field's type.
13213         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
13214         if we don't need the bits above those present in the current mode.
13215         * expr.c (store_field): Strip conversions to odd-bit-sized types
13216         if the destination field width matches.
13217
13218 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
13219
13220         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
13221         either -ffast-math or -funsafe-math-optimizations is in use.
13222
13223 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
13224
13225         PR target/19293
13226         PR target/19329
13227         * config/avr/avr.c (notice_update_cc): Only set condition code for
13228         ashrqi3 if shift count > 0.
13229         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
13230         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
13231         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
13232         count <= 0 as a no-op, and shift count >= width by copying zero
13233         or sign bit to all bits of the result.
13234         * config/avr/avr.md (all shifts): Add alternatives for zero shift
13235         count, with attribute "length" set to 0 and "cc" set to "none".
13236
13237 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
13238
13239         * doc/invoke.texi: Document -mTLS.
13240
13241         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
13242         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
13243         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
13244         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
13245         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
13246         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
13247         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
13248         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
13249
13250         * configure.ac: Check for a TLS capable gas.
13251
13252         * configure: Regenerate.
13253
13254 2005-01-26  Richard Henderson  <rth@redhat.com>
13255
13256         PR middle-end/18008
13257         * combine.c (make_field_assignment): Simplify store to zero_extract
13258         from a source with an overlapping mask.
13259
13260 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
13261
13262         2004-11-11  Eric Christopher  <echristo@redhat.com>
13263
13264         * config/frv/frv.md: Add fr400_integer automaton. Don't
13265         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
13266         to TYPE_MACC.
13267
13268 2005-01-26  Steven Bosscher  <stevenb@suse.de>
13269
13270         PR middle-end/16585
13271         * cfgbuild.c (make_edges): Do not clear or set
13272         current_function_has_computed_jump.
13273         * function.h (struct function): Remove the has_computed_jump field.
13274         (current_function_has_computed_jump): Do not define.
13275         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
13276         in a computed jump.  Ignore current_function_has_computed_jump.
13277
13278 2005-01-26  Richard Henderson  <rth@redhat.com>
13279
13280         PR middle-end/19515
13281         * expr.c (categorize_ctor_elements): New argument p_must_clear.
13282         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
13283         fully initialized.
13284         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
13285         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
13286         objects into static storage if they have more than one non-zero value.
13287         * tree.h (categorize_ctor_elements): Update decl.
13288
13289 2005-01-26  Steven Bosscher  <stevenb@suse.de>
13290
13291         PR middle-end/19616
13292         * tree.h (CALL_EXPR_TAILCALL): Add comment.
13293         * calls.c (check_sibcall_argument_overlap_1): Revert the change
13294         to this function from 2004-07-10.
13295         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
13296         the current function for tail call optimizations if the address
13297         of one of it its arguments is taken.
13298
13299 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
13300
13301         * cse.c (fold_rtx): Call equiv_constant only when necessary.
13302
13303 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
13304
13305         * function.c (expand_function_end): If current_function_calls_alloca,
13306         emit stack restore in a place that is reached when the function falls
13307         through at the end.
13308
13309 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
13310
13311         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
13312         rule to avoid matching inappropriate suffix rule.
13313
13314 2005-01-26  Jan Hubicka  <jh@suse.cz>
13315
13316         PR tree-optimization/19241
13317         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
13318
13319 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
13320
13321         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
13322         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
13323         of doubling.
13324         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
13325         <sim*>: Always use crt1.o, regardless of N in simN.
13326         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
13327         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
13328         (CRT_CALL_STATIC_FUNCTION): Remove.
13329         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
13330         use crt1.o, regardless of N in simN.
13331         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
13332         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
13333         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
13334         case isystem setting.
13335         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
13336
13337 2005-01-25  Ian Lance Taylor  <ian@airs.com>
13338
13339         * gimple-low.c (block_may_fallthru): Correct handling of
13340         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
13341
13342 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
13343
13344         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
13345         handlers to match indentation; nested under the mtune=* handler.
13346         Similar for mcpu= and march=.
13347
13348 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
13349
13350         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
13351         * config/mips/linux64.h (LIB_SPEC): Likewise.
13352         * config/mn10300/linux.h (LIB_SPEC): Likewise.
13353         * config/sh/linux.h (LIB_SPEC): Likewise.
13354
13355 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
13356
13357         * config/frv/frv.c (frv_legitimize_tls_address): New.
13358         (TARGET_HAVE_TLS): Define.
13359         (FRV_SYMBOL_REF_TLS_P): Define.
13360         (frv_override_options): Handle new register classes.
13361         (frv_legitimate_address_p): Reject tls addresses.
13362         (frv_legitimize_address): Handle TLS addresses.
13363         (gen_inlined_tls_plt): New.
13364         (gen_tlsmoff): New.
13365         (frv_legitimize_tls_address): New.
13366         (unspec_got_name): Add TLS entries.
13367         (got12_operand): Add R_FRV_TLSMOFF12 case.
13368         (frv_emit_move): Fixup TLS addresses.
13369         (frv_emit_movsi): Legitimize TLS addresses.
13370
13371         * config/frv/frv.h (MASK_BIG_TLS): New.
13372         (TARGET_BIG_TLS): New.
13373         (HAVE_AS_TLS): Define.
13374         (TARGET_SWITCHES): Add -mTLS and -mtls options.
13375         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
13376         (REG_CLASS_NAMES): Same.
13377         (REG_CLASS_CONTENTS): Same.
13378         (CONSTRAINT_LEN): New.
13379         (REG_CLASS_FROM_CONSTRAINT): New.
13380         (PREDICATE_CODES): Add symbolic_operand.
13381
13382         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
13383         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
13384         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
13385         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
13386         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
13387         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
13388         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
13389         GR9_REG, GR14_REG, LRREG.
13390         (type): Add load_or_call attribute.
13391         ("load_or_call"): New reservation.
13392         ("call_gettlsoff"): New.
13393         ("tls_indirect_call"): New.
13394         ("tls_load_gottlsoff12"): New.
13395         ("tlsoff_hilo"): New.
13396         ("tls_tlsdesc_ldd"): New.
13397         ("tls_tlsoff_ld"): New.
13398         ("tls_lddi"): New.
13399
13400         * config/frv/frv-protos.h (symbolic_operand): Protoize.
13401
13402         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
13403
13404         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
13405         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
13406         * config/frv/frv.c (TLS_BIAS): Define.
13407         (frv_output_dwarf_dtprel): New.
13408
13409 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
13410
13411         PR rtl-optimization/19579
13412         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
13413         both A and B, see if they don't clobber registers the other expr uses.
13414
13415 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
13416
13417         * real.c (do_add): Initialize signalling and canonical members.
13418
13419         * real.c (real_from_integer): Zero out destination.
13420
13421 2005-01-18  Jan Hubicka  <jh@suse.cz>
13422
13423         PR tree-optimize/19337
13424         * tree-inline.c (initialize_inlined_parameters): Copy
13425         saved_static_chain_decl only.
13426
13427 2005-01-25  Richard Henderson  <rth@redhat.com>
13428
13429         PR target/19556
13430         PR target/19584
13431         * config/i386/i386.c (x86_inter_unit_moves): Zero.
13432         (ix86_preferred_reload_class): Rewrite fp-constant section, with
13433         80387 enabled, to return a proper subclass.  Return the subset that
13434         overlaps with GENERAL_REGS for PLUS.
13435         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
13436
13437 2005-01-25  Richard Henderson  <rth@redhat.com>
13438
13439         PR middle-end/19609
13440         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
13441
13442 2005-01-25  Roger Sayle  <roger@eyesopen.com>
13443
13444         * expmed.c (choose_multiplier): Change interface to return the
13445         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
13446         (expand_divmod): Update calls to choose_multiplier.
13447
13448 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13449
13450         PR middle-end/19330
13451         * expmed.c (extract_bit_field): Use adjust_address instead of
13452         gen_lowpart when op0 is a MEM.
13453
13454 2005-01-24  Steven Bosscher  <stevenb@suse.de>
13455
13456         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
13457
13458 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
13459
13460         * config/mips/irix-csr.c: New file.
13461         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
13462         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
13463         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
13464         executables.
13465
13466 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
13467
13468         PR bootstrap/19364
13469         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
13470         sparc/elf.h, add sparc/sp-elf.h.
13471         (sparc-*-rtems*): Likewise.
13472         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
13473         tm-dwarf2.h, add sparc/sp-elf.h.
13474         (sparc86x-*-elf): Likewise.
13475         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
13476         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
13477         TARGET_OS_CPP_BUILTINS.
13478         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13479         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13480         Undefine it.
13481         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
13482         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
13483         (SWITCH_TAKES_ARG): Likewise.
13484         (LOCAL_LABEL_PREFIX): Likewise.
13485         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
13486         (TARGET_N_FORMAT_TYPES): Delete.
13487         (TARGET_FORMAT_TYPES): Likewise.
13488         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
13489         * config/sparc/elf.h: Delete.
13490         * config/sparc/sp-elf.h: New file.
13491
13492 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13493
13494         * tree-flow-inline.h (phi_arg_from_edge): Remove.
13495         * tree-flow.h: Remove the corresponding prototype.
13496         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
13497         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
13498
13499 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13500
13501         PR target/17751
13502         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
13503         for AIX ABI or ELF -fPIC.
13504         (rs6000_emit_load_toc_table): Don't create toc_section here.
13505         (rs6000_xcoff_file_start): Nor here.
13506
13507 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
13508
13509         * sh.c (ra.h): Don't #include.
13510         (hard_regs_intersect_p): New function, resurrected from ra.c.
13511
13512         * sh.c: Fix 1996 Copyright.
13513
13514 2005-01-24  Richard Henderson  <rth@redhat.com>
13515             Aldy Hernandez  <aldyh@redhat.com>
13516
13517         * regrename.c (note_sets): Handle subregs.
13518
13519 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
13520
13521         PR bootstrap/18058
13522         * genconditions.c (write_header, write_conditions): Elide file if
13523         not GCC >= 3.0.1.
13524
13525 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13526
13527         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
13528         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
13529         Update copyright.
13530
13531 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13532
13533         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
13534         expand_builtin_printf, expand_builtin_fprintf,
13535         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
13536         checking against POINTER_TYPE.
13537         (validate_arglist): Handle POINTER_TYPE code by checking
13538         POINTER_TYPE_P.
13539
13540 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
13541
13542         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
13543         init_rtlanal): New.
13544         (for_each_rtx): Call for_each_rtx_1.
13545         * rtl.h (init_rtlanal): Declare.
13546         * toplev.c (backend_init): Call init_rtlanal.
13547
13548 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13549
13550         * flow.c (propagate_one_insn): Formatting.
13551
13552         PR middle-end/19551
13553         * flow.c (libcall_dead_p): Be more conservative if unsure.
13554         If there are any instructions between insn and call, see if they are
13555         all dead before saying the libcall is dead.
13556
13557 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
13558
13559         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
13560         operand constraint for operand 0.
13561
13562 2005-01-23  Richard Henderson  <rth@redhat.com>
13563
13564         PR 19486
13565         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
13566         edges leading to join block.
13567
13568 2005-01-23  Roger Sayle  <roger@eyesopen.com>
13569
13570         * expmed.c (expand_mult_highpart): Make static.  Change type of
13571         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
13572         (expand_divmod): Updates calls to expand_mult_highpart by using
13573         gen_int_mode to pass a CONST_INT rtx.
13574         * rtl.h (expand_mult_highpart): Remove prototype.
13575
13576 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13577
13578         * flow.c (regset_bytes, regset_size): Remove.
13579
13580         * cfganal.c: Fix a reference to Harvey's paper.
13581
13582 2005-01-23  Steven Bosscher  <stevenb@suse.de>
13583
13584         PR rtl-optimization/19464
13585         * tree-optimize.c (init_tree_optimization_passes): Add one more
13586         copyrename pass just before out-of-ssa.
13587
13588 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
13589
13590         PR bootstrap/18058
13591         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
13592         * ggc-none.c (ggc_free): Define.
13593
13594 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13595
13596         * cse.c (max_reg, max_insn_uid): Remove.
13597         (cse_main): Don't access max_reg or max_insn_uid.
13598
13599         * c-common.c (explicit_flag_signed_bitfields,
13600         lang_statement_code_p, lang_expand_function_end): Remove.
13601         * c-common.h: Remove the corresponding declarations.
13602         * c-opts.c (c_common_handle_option): Remove all write access
13603         to explicit_flag_signed_bitfields.
13604
13605         * cgraph.c (cgraph_varpool_n_nodes): Remove.
13606         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
13607         * cgraph.h: Remove the corresponding declaration.
13608
13609         * gcse.c (null_pointer_info): Remove.
13610
13611 2005-01-23  Roger Sayle  <roger@eyesopen.com>
13612             Eric Botcazou  <ebotcazou@libertysurf.fr>
13613
13614         * combine.c (simplify_logical): Only simplify logical expressions
13615         of the form ior(and(x,y),z) by the inverse distributive law if the
13616         result is cheaper than the original.
13617
13618 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13619
13620         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
13621         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
13622         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
13623         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
13624         config/freebsd-spec.h, config/arm/arm.h,
13625         config/h8300/h8300.md, config/i386/i386.md,
13626         config/i386/predicates.md, config/i386/sse.md,
13627         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
13628         config/vax/vax.md: Fix comment typos.  Follow spelling
13629         conventions.
13630
13631 2005-01-23  Steven Bosscher  <stevenb@suse.de>
13632
13633         * gengtype.c (walk_type): Produce `not equal to' compares for loop
13634         tests, instead of `less than'.
13635
13636 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
13637
13638         * function.c (assign_parm_setup_block): When creating a new stack slot
13639         for a parameter, get its alignment from the parameter's DECL_ALIGN
13640         rather than the type's TYPE_ALIGN.  Make sure that the parameter
13641         is at least word aligned.
13642
13643 2005-01-22  Roger Sayle  <roger@eyesopen.com>
13644
13645         PR middle-end/19378
13646         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
13647
13648 2005-01-22  Richard Henderson  <rth@redhat.com>
13649
13650         PR target/19506
13651         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
13652         in both compare operands.
13653         (movdfcc_1_sse_max): Likewise.
13654         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
13655         (movdfcc_1_sse): Likewise.
13656         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
13657         scratch register as needed.
13658
13659 2005-01-22  Richard Henderson  <rth@redhat.com>
13660
13661         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
13662
13663         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
13664
13665 2005-01-22  Richard Henderson  <rth@redhat.com>
13666
13667         * genopinit.c (optabs): Use smin/smax for floating point too.
13668         * doc/md.texi: Update to match.  Clarify that floating point
13669         results are undefined for +0/-0 and NaN.
13670         * doc/rtl.texi: Likewise.
13671         * rtl.def (SMIN, SMAX): Likewise
13672         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
13673
13674         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
13675         leading 's' to the name.
13676         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
13677         smaxxf3, sminxf3): Likewise.
13678         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
13679         Likewise.
13680
13681 2005-01-22  Paul Brook  <paul@codesourcery.com>
13682
13683         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
13684
13685 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
13686
13687         * config/s390/s390.c (struct processor_costs): New fields
13688         dlgr, dlr, dr, dsgfr, dsgr.
13689         (z900_cost, z990_cost): Values for new fields.
13690         (s390_rtx_costs): New cases MEM und COMPARE in switch
13691         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
13692         DIV, MOD, UDIV, UMOD.
13693
13694 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
13695
13696         * config/s390/s390.md ("doloop_si64"): Reload input value directly
13697         into the register being decremented.
13698         ("doloop_si31", "doloop_di"): Likewise.
13699         ("*doloop_si_long"): Adapt pattern.
13700
13701 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
13702
13703         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
13704         access registers.
13705         (CLASS_MAX_NREGS): Likewise.
13706
13707 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
13708
13709         * doc/tree-ssa.texi (Statement Operands): Add example for new
13710         must-def macro. Note deprecation of old operands interface.
13711
13712 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
13713
13714         PR tree-optimization/19484
13715         * tree-cfg.c (remove_fallthru_edge): New function.
13716         (cleanup_control_flow): Remove fallthru edges from calls that are
13717         now known not to return.
13718
13719 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
13720
13721         Fix PR tree-optimization/19038
13722         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
13723         copies with loop variant ones.
13724
13725 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
13726
13727         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
13728         config/alpha/alpha-protos.h, config/alpha/alpha.h,
13729         config/alpha/alpha.md, config/alpha/predicates.md,
13730         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
13731         config/sparc/sol2.h: Update copyright.
13732
13733         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
13734         first label to see if it is a nonlocal label.
13735
13736 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
13737             Andrew Pinski  <pinskia@physics.uc.edu>
13738
13739         PR target/19491
13740         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
13741         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
13742
13743 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
13744
13745         * config/rs6000/rtems.h: Update copyright.
13746
13747 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
13748
13749         PR target/19548
13750         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
13751         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
13752         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
13753
13754 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13755
13756         PR c/18809
13757         * c-typeck.c (convert_arguments): Check for error_mark_node.
13758
13759 2005-01-21  Ian Lance Taylor  <ian@airs.com>
13760
13761         PR tree-optimization/13000
13762         * tree-inline.c: Include "tree-flow.h".
13763         (expand_call_inline): If warn_return_type, warn if non-void inline
13764         function falls through.
13765         * tree-cfg.c (execute_warn_function_return): Don't warn about
13766         control reaching end if TREE_NO_WARNING is set.  Set
13767         TREE_NO_WARNING.
13768         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
13769         has been lowered.
13770         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
13771         branch if we don't need one.
13772         * c-typeck.c: Include "tree-flow.h"
13773         (c_finish_bc_stmt): Don't add a goto if the current statement
13774         list doesn't fall through to the current point.
13775
13776 2005-01-21  Roger Sayle  <roger@eyesopen.com>
13777
13778         PR rtl-optimization/576
13779         * real.c (real_arithmetic): Change return type from void to bool
13780         to return an indication that the result may be inexact.
13781         * real.h (real_arithmeric): Update prototype.
13782         * fold-const.c (const_binop):  Don't constant fold floating
13783         point expressions when the user specifies -frounding-math and
13784         the result may depend upon the run-time rounding mode.
13785         (fold_convert_const_real_from_real): Clean-up.
13786         (fold_initializer): Ignore flag_rounding_math for initializers.
13787         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
13788         constant fold FP operations with flag_rounding_math if the
13789         result may depend upon the run-time rounding mode.
13790
13791 2005-01-21  Tom Tromey  <tromey@redhat.com>
13792
13793         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
13794
13795 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
13796
13797         * tree-cfg.c: Fix comment typos.
13798
13799 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
13800
13801         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
13802         around the call to rest_of_handle_branch_target_load_optimize.
13803
13804 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
13805
13806         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
13807         (sparc64-*-openbsd*): Likewise.
13808         (sparclite-*-elf*): Include tm-dwarf2.h.
13809         (sparc86x-*-elf*): Likewise.
13810         (sparc64-*-elf*): Likewise.
13811         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
13812         (DBX_DEBUGGING_INFO): Likewise.
13813         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
13814         (PREFERRED_DEBUGGING_TYPE): Likewise.
13815         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
13816         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
13817         (PREFERRED_DEBUGGING_TYPE): Likewise.
13818         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
13819         (PREFERRED_DEBUGGING_TYPE): Likewise.
13820         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
13821
13822 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
13823
13824         PR target/18701
13825         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
13826
13827 2005-01-20  Paul Brook  <paul@codesourcery.com>
13828
13829         * doc/rtl.texi: Document value extension requirements for CONST_INT.
13830
13831 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13832
13833         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
13834         label is first in a sequence of labels.
13835
13836         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
13837
13838 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
13839             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
13840
13841         * doc/sourcebuild.texi (Test Directives): New.
13842
13843 2005-01-20  Roger Sayle  <roger@eyesopen.com>
13844
13845         * real.c (real_floor): Don't leave the result uninitialized when
13846         mode is VOIDMode, but return the unrounded intermediate value.
13847         (real_ceil): Likewise.
13848
13849 2005-01-20  Paul Brook  <paul@codesourcery.com>
13850
13851         * config/arm/arm.md (insv): Use gen_int_mode.
13852
13853 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
13854
13855         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
13856         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13857         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13858         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13859         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13860
13861 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
13862
13863         Fix PR debug/19124
13864         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
13865         fbreg, so we have to assume we can't.
13866         (loc_descriptor_from_tree_1): Ditto.
13867         (containing_function_has_frame_base): New function.
13868         (add_location_or_const_value_attribute): Use it.
13869         Also try to generate a frame_base from a single element location
13870         list.
13871
13872 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13873
13874         PR tree-optimization/15349
13875         * timevar.def (TV_TREE_MERGE_PHI): New.
13876         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
13877         PHI_WANTED.
13878         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
13879         calls to tree_forwarder_block_p.
13880         (remove_forwarder_block_with_phi, merge_phi_nodes,
13881         gate_merge_phi, pass_merge_phi): New.
13882         * tree-optimize.c (init_tree_optimization_passes): Add
13883         pass_merge_phi.
13884         * tree-pass.h: Add an extern for pass_merge_phi;
13885
13886 2005-01-20  Richard Henderson  <rth@redhat.com>
13887
13888         PR target/19418
13889         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
13890         (_mm_castps_pd, _mm_castps_si128): New.
13891         (_mm_castsi128_ps, _mm_castsi128_pd): New.
13892
13893 2005-01-20  Richard Henderson  <rth@redhat.com>
13894
13895         PR target/19530
13896         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
13897         __builtin_ia32_vec_init_v2si.
13898         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
13899         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
13900         (ix86_init_mmx_sse_builtins): Create it.
13901         (ix86_expand_builtin): Expand it.
13902         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
13903         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
13904         (vec_extractv2si_0, vec_extractv2si_1): New.
13905
13906 2005-01-20  Richard Henderson  <rth@redhat.com>
13907
13908         PR target/16533
13909         * config/i386/i386.c (ix86_expand_push): New.
13910         * config/i386/mmx.md (push<MMXMODE>1): New.
13911         * config/i386/sse.md (push<SSEMODE>1): New.
13912         * config/i386/i386-protos.h: Update.
13913
13914 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13915
13916         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
13917         copyright.
13918
13919 2005-01-20  Richard Henderson  <rth@redhat.com>
13920
13921         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
13922         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
13923
13924 2005-01-19  Richard Henderson  <rth@redhat.com>
13925
13926         PR target/19350
13927         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
13928         to V4SFmode in SSE1 fallback load path.
13929
13930 2005-01-19  Richard Henderson  <rth@redhat.com>
13931
13932         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
13933         in QImode expansion to ix86_expand_vector_set.
13934         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
13935
13936 2005-01-19  Richard Henderson  <rth@redhat.com>
13937
13938         PR target/19511
13939         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
13940         subclass of the input class.
13941         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
13942         Always true for cross-SSE1 classes.  Rationalize conditionals.
13943         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
13944         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
13945         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
13946         (movdi_2): Add MMX/SSE zeros.
13947         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
13948         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
13949         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
13950         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
13951         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
13952         (zero_extendsidi2_rex64_1): Remove.
13953         (MOV0 peephole): Check GENERAL_REG_P.
13954
13955 2005-01-19  Richard Henderson  <rth@redhat.com>
13956
13957         PR target/19427
13958         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
13959         shufps elements.
13960         (ix86_expand_vector_extract): Likewise.
13961
13962 2005-01-19  Richard Henderson  <rth@redhat.com>
13963
13964         PR middle-end/19304
13965         * expr.c (emit_move_change_mode): New argument force; use
13966         simplify_gen_subreg if true.
13967         (emit_move_via_alt_mode): Merge into ...
13968         (emit_move_via_integer): ... here.
13969         (emit_move_ccmode): Use emit_move_change_mode directly.
13970
13971 2005-01-19  Richard Henderson  <rth@redhat.com>
13972
13973         PR target/19518
13974         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
13975         (alpha_preferred_reload_class): Handle CONST_VECTOR.
13976         (alpha_emit_set_const_1): Add no_output parameter; don't emit
13977         rtl if true.
13978         (alpha_emit_set_const): Likewise.  Make static.
13979         (alpha_emit_set_long_const): Make static.
13980         (alpha_extract_integer): Split out from alpha_expand_mov.
13981         (alpha_split_const_mov): Likewise.
13982         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
13983         (alpha_legitimate_constant_p): New.
13984         * config/alpha/alpha-protos.h: Update.
13985         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
13986         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
13987         * config/alpha/alpha.md (movsi): Add n alternative.
13988         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
13989         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
13990         (splitters for all of the above): Use alpha_split_const_mov.
13991         * config/alpha/predicates.md (non_add_const_operand): New.
13992         (non_zero_const_operand): New.
13993         (input_operand): Use alpha_legitimate_constant_p after reload.
13994
13995 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
13996
13997         PR tree-optimization/19038
13998         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
13999         (add_candidate): Add ivs with increment in latch only if
14000         allow_ip_end_pos_p is true.
14001         (determine_iv_cost): Use empty_block_p.
14002
14003 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
14004
14005         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
14006         (compute_dominance_frontiers): Ditto.
14007
14008 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
14009
14010         PR target/19529
14011         * config/sh/t-rtems: New.
14012         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
14013
14014 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
14015
14016         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
14017         the offset of the selected field.
14018
14019 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
14020
14021         * tree-cfg.c (remove_forwarder_block): Fix the check to
14022         prevent a nonlocal label from appearing in the middle of a
14023         basic block.
14024
14025 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
14026
14027         PR rtl-optimization/19462
14028         * reorg.c (find_end_label): Create return insn only if
14029         current_function_epilogue_delay_list is empty.
14030
14031 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
14032
14033         * doc/passes.texi: Remove paragraph mentioning new-ra.
14034
14035 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
14036
14037         PR rtl-optimization/15139
14038         * combine.c: Include params.h.
14039         (count_rtxs): New function.
14040         (record_value_for_reg): If replace_rtx would replace at least
14041         2 occurrences of REG in VALUE and TEM is really large, replace REG with
14042         (clobber (const_int 0)) instead of TEM.
14043         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
14044         * params.h (MAX_LAST_VALUE_RTL): New.
14045         * Makefile.in (combine.o): Depend on $(PARAMS_H).
14046         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
14047
14048         PR c/17297
14049         * c-typeck.c (digest_init): Only call build_vector if all constructor
14050         elements are *_CST nodes.
14051         * gimplify.c (gimplify_init_constructor): Likewise.
14052
14053         PR middle-end/19164
14054         * c-typeck.c (digest_init): Only call build_vector if inside_init
14055         is a CONSTRUCTOR.
14056
14057 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
14058
14059         * toplev.c (init_asm_output): Remove dead #ifdef.
14060
14061 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
14062
14063         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
14064
14065 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
14066
14067         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
14068         accessing DECL_FUNCTION_CODE.
14069         * dojump.c (do_jump): Likewise.
14070         * gimplify.c (gimplify_call_expr): Likewise.
14071         * predict.c (expr_expected_value): Likewise.
14072         (strip_builtin_expect): Likewise.
14073         * tree-inline.c (estimate_num_insns_1): Likewise.
14074         * tree-ssa-loop-im.c (stmt_cost): Likewise
14075         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
14076         (tree_expr_nonnegative_p): Likewise.
14077
14078 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
14079
14080         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
14081         variant of the load_pcrel_sym pattern.
14082         * config/sparc/sparc.md (P macro): Move to the top.
14083         (load_pcrel_sym): Macroize using P.
14084         (save_register_window): Likewise.
14085
14086 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
14087
14088         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
14089         ("sordered"): Same.
14090
14091 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
14092
14093         PR C/19472
14094         * c-typeck.c (build_asm_expr): Strip nops off
14095         input memory operands.
14096
14097 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
14098
14099         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
14100         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
14101         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
14102         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
14103
14104 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
14105
14106         PR target/19379
14107         * config/i386/i386.c (override_options): If the 80387 is disabled,
14108         then do not return FP values using FP registers.
14109
14110 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
14111
14112         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
14113         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
14114         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
14115         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
14116         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
14117         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
14118         output.h, postreload-gcse.c, postreload.c, recog.c,
14119         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
14120         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
14121         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
14122         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
14123         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
14124         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
14125         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
14126         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
14127
14128         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
14129         config/alpha/alpha.c, config/arm/vfp.md,
14130         config/i386/emmintrin.h, config/i386/i386-modes.def,
14131         config/i386/i386-protos.h, config/i386/i386.h,
14132         config/i386/pmmintrin.h, config/i386/ppro.md,
14133         config/i386/predicates.md, config/i386/xmmintrin.h,
14134         config/i860/i860.c, config/ia64/ia64-modes.def,
14135         config/ia64/ia64-protos.h, config/ia64/ia64.h,
14136         config/ia64/ia64.md, config/ia64/itanium1.md,
14137         config/ia64/itanium2.md, config/ia64/predicates.md,
14138         config/iq2000/iq2000.h, config/mips/linux64.h,
14139         config/rs6000/aix41.h, config/rs6000/aix43.h,
14140         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
14141         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
14142         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
14143         config/sparc/linux64.h, config/sparc/litecoff.h,
14144         config/sparc/sp64-elf.h, config/sparc/sparc.c,
14145         config/sparc/sparc.h, config/sparc/sparc.md,
14146         config/sparc/sysv4-only.h: Update copyright.
14147
14148 2005-01-18  Richard Henderson  <rth@redhat.com>
14149
14150         PR target/19496
14151         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
14152
14153 2005-01-18  Marc Espie  <espie@openbsd.org>
14154         * config/i386/openbsdelf.h: Typo.
14155
14156 2005-01-18  Richard Henderson  <rth@redhat.com>
14157
14158         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
14159         special case for sse.
14160         * config/i386/predicates.md (sse_comparison_operator): Likewise.
14161
14162 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
14163
14164         * tree-inline.c (estimate_num_insns_1): Added cases for
14165         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
14166
14167 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
14168
14169         PR rtl-optimization/19296
14170         * combine.c (simplify_comparison): Rewrite the condition under
14171         which a non-paradoxical SUBREG of a PLUS can be lifted when
14172         compared against a constant.
14173
14174 2005-01-18  Andi Kleen <ak@muc.de>
14175
14176         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
14177         * c.opt (-Wpointer-sign): Add.
14178         * doc/invoke.texi: (-Wpointer-sign): Add.
14179
14180 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
14181
14182         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
14183         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
14184         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
14185         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
14186         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
14187         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
14188         for TARGET_MIX_SSE_I387.
14189         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
14190         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
14191         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
14192         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
14193         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
14194         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
14195         TARGET_MIX_SSE_I387.
14196         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
14197         from expander.
14198
14199 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
14200
14201         PR target/19424
14202         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
14203         Add movaps alternative for xmm reg->reg move.
14204
14205 2005-01-17  Jeff Law  <law@redhat.com>
14206
14207         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
14208         at the end of the main DOM loop rather than just before DOM exits.
14209
14210 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
14211
14212         PR tree-optimization/19121
14213         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
14214         adding aliases to a name tag, also add them to the pointer's
14215         type tag.
14216         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
14217         sensitive alias info at all.  Only check that the two pointers
14218         have compatible pointed-to sets.
14219         * tree-ssa.c (verify_name_tags): Verify that the alias set of
14220         a pointer's type tag is a superset of the alias set of the
14221         pointer's name tag.
14222
14223 2005-01-17  James E Wilson  <wilson@specifixinc.com>
14224
14225         PR target/19357
14226         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
14227         comment to document why.
14228
14229 2005-01-17  Richard Henderson  <rth@redhat.com>
14230
14231         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
14232         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
14233         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
14234         sse2_vmsminv2df3_finite): New.
14235         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
14236         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
14237         Force op1 into register.
14238
14239 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
14240
14241         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
14242         bubblestrap from always rebuilding build directory.
14243
14244 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
14245
14246         * config/s390/s390.md ("*clc"): Remove incorrect '='.
14247         ("*cmpmem_short"): Likewise.
14248
14249 2005-01-17  Steven Bosscher  <stevenb@suse.de>
14250
14251         * basic-block.h: Document BB_* flags.
14252         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
14253         use an sbitmap instead.
14254         * sched-rgn.c (compute_trg_info): Likewise.
14255
14256 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
14257
14258         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
14259         redundant target_cpu_default and extra_parts lines.  Use the default
14260         "from-abi" ISA.
14261         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
14262         (SUBTARGET_EXTRA_SPECS): Delete.
14263         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
14264         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
14265         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
14266         and "n32" for -mabi=n32.
14267
14268 2005-01-17  Ian Lance Taylor  <ian@airs.com>
14269
14270         PR c/5675
14271         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
14272         fold constant variables into initial values.
14273
14274 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
14275
14276         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
14277
14278         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
14279         through the statements backward.
14280
14281 2005-01-17  Ian Lance Taylor  <ian@airs.com>
14282
14283         PR middle-end/13127:
14284         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
14285         a variable set to the return value of the inlined function.
14286
14287 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
14288
14289         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
14290         when modes are tieable.
14291
14292 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
14293
14294         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
14295         of pthread_create to find out if threads are enabled.
14296         * gthr-posix95.h (__gthread_active_p): Likewise.
14297
14298 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
14299
14300         * common.opt (-fnew-ra): Remove.
14301         * ra*.*: Remove.
14302         * toplev.h (flag_new_regalloc): Remove.
14303         * Makefile.in (ra*.*): Don't mention.
14304         * passes.c (rest_of_handle_new_regalloc): Remove.
14305         (rest_of_handle_combine, rest_of_compilation): Always consider
14306         flag_new_regalloc as false.
14307         * doc/invoke.texi: Don't document -fnew-ra.
14308
14309 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
14310
14311         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
14312         last parameter to reg_scan.
14313         * loop.c (loop_optimize): Likewise.
14314         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
14315         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
14316         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
14317         rest_of_handle_gcse, rest_of_handle_loop_optimize,
14318         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
14319         * regclass.c (reg_scan): Likewise, for the declaration.
14320         * rtl.h (reg_scan): Likewise, for the prototype.
14321
14322 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
14323
14324         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
14325         mark_dfs_back_edges.
14326
14327 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
14328
14329         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
14330         (compute_avail): Uses don't go in tmp_gen.
14331
14332 2005-01-16  Steven Bosscher  <stevenb@suse.de>
14333
14334         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
14335         loop to look for a free slot in a page entry.
14336
14337 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14338
14339         PR target/16304
14340         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
14341         * toplev.c (compile_file): Call process_pending_assemble_output_defs
14342         just before targetm.asm_out.file_end.
14343         * tree.h (process_pending_assemble_output_defs): Declare.
14344         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
14345         New functions.
14346         (assemble_alias): Defer generation of assembly code for defines when
14347         TARGET_DEFERRED_OUTPUT_DEFS is true.
14348         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
14349         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
14350         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
14351
14352 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14353
14354         PR target/19336
14355         * pa.c (pa_scalar_mode_supported_p): New function.
14356         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14357         * pa.h (MIN_UNITS_PER_WORD): Add comment.
14358
14359         * pa-protos.h (prefetch_operand): Delete.
14360         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
14361         * pa.c (prefetch_operand): Delete.
14362         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
14363         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
14364         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
14365         and prefetch_nocc_operand.
14366         * pa.md (prefetch): Rework to avoid reload problems handling short
14367         displacements when a cache control completer needs to be provided.
14368         (prefetch_32, prefetch_64): Delete.
14369         (prefetch_cc, prefetch_nocc): New patterns.
14370
14371 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
14372
14373         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
14374
14375 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14376
14377         PR ada/19388
14378         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
14379         exceeds maximum alignment for global common data.
14380         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
14381         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
14382
14383 2004-01-15  Roger Sayle  <roger@eyesopen.com>
14384
14385         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
14386
14387 2004-01-15  Roger Sayle  <roger@eyesopen.com>
14388
14389         * harg-reg-set.h (reg_class_names): Prototype global array.
14390         * regclass.c (reg_class_names): Declare here and initialize to
14391         REG_CLASS_NAMES.
14392         (dump_regclass): Remove local declaration of reg_class_names.
14393         (regclass): Likewise.
14394         * cfg.c (dump_flow_info): Likewise.
14395         * ra-debug.c (reg_class_names): Likewise.
14396         * regrename.c (reg_class_names): Likewise.
14397         * reload.c (reg_class_names): Likewise.
14398         * reload1.c (spill_failure): Likewise.
14399         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
14400
14401 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
14402
14403         * config/s390/s390.md ("reload_outti"): Remove predicate for
14404         output operand.  Abort if operand is not a MEM.
14405         ("reload_outdi", "reload_outdf"): Likewise.
14406
14407 2005-01-15  Marc Espie  <espie@openbsd.org>
14408
14409         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
14410         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
14411         * config/openbsd.h:  Fix C++ includes for native configurations.
14412         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
14413         Add trampoline support.
14414         * config/i386/openbsdelf.h: New.
14415
14416 2005-01-15  Marc Espie  <espie@openbsd.org>
14417
14418         * collect2.c (main): Explicitly parse -dynamic-linker option.
14419
14420 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
14421
14422         PR tree-optimization/19060
14423         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
14424         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
14425         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
14426         and handle extract_range_from_cond returning false.
14427         * fold-const.c (fold): Optimize comparisons with min/max even for
14428         width > HOST_BITS_PER_WIDE_INT.
14429
14430 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
14431
14432         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
14433         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
14434         Remove little endian multilib variants.
14435         Add mips32 multilib variant.
14436
14437 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
14438
14439         * explow.c (copy_all_reg, stabilize): Remove.
14440         * expr.h: Remove the corresponding prototypes.
14441
14442         * rtlanal.c (regs_set_between_p): Remove.
14443         * rtl.h: Remove the corresponding prototype.
14444
14445 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
14446
14447         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
14448         to rs6000_nonimmediate_operand.
14449         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
14450         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
14451         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
14452         rs6000_nonimmediate_operand.
14453         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
14454         rs6000_nonimmediate_operand.
14455
14456 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
14457
14458         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
14459
14460 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14461
14462         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
14463         on e500v2.
14464         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
14465         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
14466
14467         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
14468         (rs6k_nonimmediate_operand): New.
14469         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
14470         correctly.
14471         (legitimate_lo_sum_address_p): Same.
14472         (rs6000_legitimize_address): Same.
14473         (rs6000_legitimize_reload_address): Same.
14474         (rs6000_legitimate_address): Same.
14475         (spe_build_register_parallel): Pass DF and DC modes in a DI
14476         register.
14477
14478         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
14479         to rs6k_nonimmediate_operand.
14480
14481         * config/rs6000/spe.md ("*frob_df_di"): New.
14482         ("*frob_di_df"): New.
14483         ("*frob_di_df_2"): New.
14484         ("*mov_sidf_e500_subreg0"): New.
14485         ("*mov_sidf_e500_subreg4"): New.
14486         ("*movdf_e500_double"): Change predicate to
14487         rs6k_nonimmediate_operand.
14488
14489 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14490
14491         * postreload.c (move2add_note_store): Only call
14492         trunc_int_for_mode on scalar integers.
14493
14494 2005-01-14  Steven Bosscher  <stevenb@suse.de>
14495
14496         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
14497         replace BB_VISITED uses.
14498         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
14499         (propagate_necessity): Check the bitmap instead of BB_VISITED.
14500         (tree_dce_done): Free visited_control_parents.
14501         (perform_tree_ssa_dce): Allocate and clear it.
14502         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
14503         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
14504         instead of BB_VISITED.
14505
14506 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
14507
14508         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
14509         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
14510         Remove unused prototypes.
14511
14512 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14513
14514         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
14515         64-bit register usage.
14516         (spe_func_has_64bit_regs_p): Add FIXME note.
14517
14518 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14519
14520         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
14521         flag_finite_math_only with flag_unsafe_math_optimizations.
14522
14523 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
14524
14525         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
14526         end-of-stack check.
14527         (__tpf_eh_return): Copy TPF private stack area from the module
14528         boundary stack frame.  Add check for when module addresses are
14529         equal, but no stub address is found.
14530
14531 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
14532
14533         PR target/7525
14534         * arm.h (struct machine_function): Add call_via field.
14535         (thumb_call_via_label): Declare.
14536         * arm.c (thumb_call_via_label): New variable.
14537         (thumb_call_reg_needed): New variable.
14538         (arm_output_function_epilogue): For Thumb code, output any per-function
14539         call-indirect trampolines.
14540         (thumb_call_via_reg): New function.
14541         (arm_file_end): New function.
14542         (TARGET_ASM_FILE_END): Call arm_file_end.
14543         (aof_file_end): Likewise.
14544         * arm-protos.h (thumb_call_via_reg): Declare.
14545         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
14546         thumb_call_via_reg in normal case.
14547
14548 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
14549
14550         PR middle-end/19084
14551         PR rtl-optimization/19348
14552         * recog.c (peephole2_optimize): Do global life update if some peephole
14553         decides it doesn't need at least one of its inputs and that change
14554         influences liveness at the start of the basic block.
14555
14556         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
14557         arguments instead of 1.
14558
14559 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
14560
14561         PR middle-end/18820
14562         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
14563         zero for nested functions needing a static chain or functions
14564         with a non-constant address.
14565
14566 2005-01-13  Roger Sayle  <roger@eyesopen.com>
14567
14568         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
14569         (and (sign_extend X) C) into (zero_extend (and X C)).
14570
14571 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
14572
14573         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
14574
14575 2005-01-13  Richard Henderson  <rth@redhat.com>
14576
14577         PR target/19009
14578         PR target/19250
14579         PR target/19252
14580         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
14581         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
14582         not just TARGET_SSE.
14583         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
14584         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
14585         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
14586         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
14587         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
14588         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
14589         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
14590         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
14591         (movdicc_c_rex64): Rename with '*'.
14592         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
14593         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
14594         (movsfcc_1_387): Rename from movsfcc_1.
14595         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
14596         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
14597         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
14598         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
14599         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
14600         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
14601         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
14602         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
14603         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
14604         sse_movdfcc_const0_4): Remove.
14605         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
14606         recognize min/max early.  Update for changed sse cmove patterns.
14607         (ix86_split_sse_movcc): New.
14608         * config/i386/i386-protos.h: Update.
14609
14610 2005-01-13  Steven Bosscher  <stevenb@suse.de>
14611
14612         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
14613         (fix_stmt_v_may_defs): Likewise.
14614
14615 2005-01-13  Richard Henderson  <rth@redhat.com>
14616
14617         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
14618         for converting the mask.
14619
14620 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
14621
14622         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
14623         definition to 600.
14624
14625 2005-01-13  Richard Henderson  <rth@redhat.com>
14626
14627         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
14628         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
14629         IX86_BUILTIN_MOVDQ2Q): Remove.
14630         (IX86_BUILTIN_VEC_EXT_V4SI): New.
14631         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
14632         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
14633         shuffling.
14634         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
14635         (sse2_pextrw): Fix immediate constraint.
14636         (sse2_loadq, sse2_loadq_rex64): Remove.
14637         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
14638         Use __builtin_ia32_vec_ext_<size>.
14639         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
14640
14641 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
14642
14643         * function.c (assign_parm_setup_block): Look inside original
14644         entry_parm when inspecting PARALLEL.
14645
14646 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
14647             Joel Sherrill  <joel@oarcorp.com>
14648
14649         PR target/19399
14650         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
14651         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
14652         rtems_gxx_recursive_mutex_init.
14653         (__gthread_recursive_mutex_lock): New function.
14654         (__gthread_recursive_mutex_trylock): Likewise.
14655         (__gthread_recursive_mutex_unlock): Likewise.
14656
14657 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
14658
14659         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
14660
14661 2005-01-13  Jan Beulich  <jbeulich@novell.com>
14662
14663         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
14664         (ashrti3_internal): Indicate output is early clobber. Generate result
14665         into output rather than first input. Use move for low word of output
14666         if shift count is exactly 64.
14667         (lshrti3_internal): Likewise.
14668
14669 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
14670
14671         PR target/18329
14672         PR target/18330
14673         * reload1.c (delete_output_reload): Don't delete an output reload
14674         if the pseudo lives longer than a single basic block.  Adjust and
14675         improve wording of comment.
14676
14677 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
14678
14679         PR target/19334
14680         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
14681         of TYPE_SIZE where we mean the number of bytes.
14682
14683 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
14684
14685         * function.c (assign_parm_setup_block): Relax condition on
14686         multi-register optimization.
14687
14688 2005-01-12  Nick Clifton  <nickc@redhat.com>
14689
14690         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
14691         an "in_delay_slot" attribute of "no" to prevent them being used in
14692         delay slots.  This is forbidden because they might generate
14693         exceptions.
14694
14695 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
14696
14697         PR target/19389
14698         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
14699         with r->Y and Y->r.
14700
14701 2005-01-12  Nick Clifton  <nickc@redhat.com>
14702
14703         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
14704         passed on to GAS) but do not define, as GAS no longer supports or
14705         needs the -m2000 option.
14706
14707 2005-01-11  Roger Sayle  <roger@eyesopen.com>
14708
14709         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
14710         type as args of unprototyped builtins aren't automatically promoted.
14711         (fold_builtin_abs): Likewise.
14712
14713 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14714
14715         * Makefile.in: Set a `build-warn' variable.
14716
14717 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
14718
14719         PR tree-optimization/17949
14720         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
14721         (find_interesting_uses_address): Use it.
14722
14723 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
14724
14725         * regrename.c (kill_value): Handle subreg's that won't simplify.
14726
14727 2005-01-11  Richard Henderson  <rth@redhat.com>
14728
14729         PR target/13366
14730         * config/i386/i386.h (enum ix86_builtins): Move ...
14731         * config/i386/i386.c: ... here.
14732         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
14733         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
14734         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
14735         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
14736         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
14737         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
14738         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
14739         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
14740         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
14741         IX86_BUILTIN_LOADDDUP): Remove.
14742         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
14743         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
14744         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
14745         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
14746         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
14747         (ix86_init_builtins): Make static.
14748         (ix86_init_mmx_sse_builtins): Update for changed builtins.
14749         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
14750         if all the modes match.  Otherwise, fake it.
14751         (get_element_number, ix86_expand_vec_init_builtin,
14752         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
14753         (ix86_expand_builtin): Make static.  Update for changed builtins.
14754         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
14755         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
14756         (ix86_expand_vector_init_duplicate): New.
14757         (ix86_expand_vector_init_low_nonzero): New.
14758         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
14759         Split out from ix86_expand_vector_init; handle integer modes.
14760         (ix86_expand_vector_init): Use them.
14761         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
14762         * config/i386/i386-protos.h: Update.
14763         * config/i386/predicates.md (reg_or_0_operand): New.
14764         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
14765         (movv2sf_internal): Likewise.  And a splitter to match them all.
14766         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
14767         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
14768         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
14769         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
14770         (mmx_pinsrw): Fix operand ordering.
14771         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
14772         rather than sse_loadss expander.
14773         (movv2df splitter): Similarly.
14774         (sse_loadss, sse_loadlss): Remove.
14775         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
14776         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
14777         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
14778         (sse3_movddup): Rename with '*'.
14779         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
14780         (sse2_loadsd): Remove.
14781         (vec_dupv2df_sse3): Rename from sse3_loadddup.
14782         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
14783         (sse2_pinsrw): Fix argument ordering.
14784         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
14785         (sse2_stored): Remove 'r' destination.
14786         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
14787         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
14788         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
14789         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
14790         vec_extractv16qi, vec_initv16qi): New.
14791
14792         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
14793         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
14794         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
14795         constructor form.
14796         (_mm_load_pd, _mm_store_pd): Use plain dereference.
14797         (_mm_load_si128, _mm_store_si128): Likewise.
14798         (_mm_load1_pd): Use _mm_set1_pd.
14799         (_mm_load_sd): Use _mm_set_sd.
14800         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
14801         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
14802         (_mm_set_epi64): Use _mm_set_epi64x.
14803         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
14804         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
14805         _mm_setr_epi8): Use _mm_set_foo form.
14806         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
14807         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
14808         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
14809         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
14810         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
14811         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
14812         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
14813         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
14814         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
14815         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
14816         (_mm_movedup_pd): Use _mm_shuffle_pd.
14817         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
14818         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
14819         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
14820         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
14821         Use _mm_setzero_ps.
14822         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
14823         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
14824         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
14825         (_mm_store_ps): Use raw dereference.
14826         (_mm_store1_ps): Use _mm_storeu_ps.
14827         (_mm_storer_ps): Use _mm_store_ps.
14828         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
14829         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
14830
14831 2005-01-11  Stan Shebs  <shebs@apple.com>
14832
14833         * config/rs6000/rs6000.c (machopic_output_stub): Issue
14834         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
14835
14836 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
14837
14838         PR target/18761
14839         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
14840         Skip all DECLs except for FIELD_DECLs.
14841
14842 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
14843
14844         * config/s390/s390.c (override_options): Return error if
14845         -mbackchain, -mpacked-stack and -mhard-float are used together.
14846         (s390_va_start): Remove the backchain && packed-stack special case.
14847         (s390_gimplify_va_arg): Likewise.
14848         * doc/invoke.texi: Remove the ABI incompatibility note.
14849
14850 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
14851
14852         * config/s390/s390.c (struct s390_frame_layout): Remove
14853         save_backchain_p.
14854         (s390_frame_info, s390_emit_prologue): Replace occurrences of
14855         save_backchain_p with TARGET_BACKCHAIN.
14856
14857 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
14858
14859         PR target/18916
14860         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
14861         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
14862         * function.c (locate_and_pad_parm): Set new field.
14863         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
14864         Tweak where_pad test to include "none".  Always set mem align for
14865         stack_parm.
14866         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
14867         not sufficient for type.
14868         (assign_parm_setup_block): If stack_parm is zero on entry, always
14869         make a new stack local.  Block move old stack parm if necessary
14870         to new aligned stack local.
14871         (assign_parm_setup_stack): Use a block move to handle
14872         potentially misaligned entry_parm.
14873         (assign_parms_unsplit_complex): Specify required alignment when
14874         creating stack local.
14875         * calls.c (compute_argument_addresses): Override alignment of stack
14876         arg calculated from its type with the alignment given by
14877         FUNCTION_ARG_BOUNDARY.
14878         (store_one_arg): Likewise.
14879
14880 2005-01-11  Jan Beulich  <jbeulich@novell.com>
14881
14882         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
14883         Change respective itanium_class attribute to ialu.
14884         (shladdp4_internal): New.
14885         * config/ia64/predicates.md (shladd_log2_operand): New.
14886
14887 2005-01-11  Richard Henderson  <rth@redhat.com>
14888
14889         * expr.c (store_constructor): Use rtvec_alloc instead of
14890         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
14891
14892 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
14893
14894         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
14895
14896 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
14897
14898         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
14899         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
14900         (TARGET_RWRELOC): Define.
14901         (ia64_rwreloc_section_type_flags): Delete.
14902         (ia64_section_type_flags): New function.
14903         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
14904         (TARGET_RWRELOC): Define.
14905
14906 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
14907
14908         PR target/18987
14909         * config/ia64/ia64.c (process_set): For alloc insn, only call
14910         process_epilogue is !frame_pointer_needed.
14911
14912 2005-01-10  Roger Sayle  <roger@eyesopen.com>
14913
14914         PR c++/19355
14915         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
14916         unary operator and can't be treated as a binary/comparison operator.
14917
14918 2005-01-10  Richard Henderson  <rth@redhat.com>
14919
14920         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
14921         (ix86_return_in_memory): Likewise.
14922         (function_arg_advance):  Likewise.  Mirror structure in function_arg
14923         for choosing register to advance.
14924
14925 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
14926
14927         * tree-vectorizer.c, tree.def: Fix comment typos.
14928
14929 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
14930
14931         * config/s390/s390.c (struct processor_costs): 4 new fields:
14932         ddbr, ddr, debr, der.
14933         (s390_rtx_costs): More precise handling of divide instructions.
14934
14935 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
14936
14937         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
14938
14939 2005-01-10  Jan Beulich  <jbeulich@novell.com>
14940
14941         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
14942         names resulting from -ffunction-sections/-fdata-sections and linkonce
14943         ones.
14944         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
14945         based on the section name. Rearrange the section name comparison logic
14946         slightly so that each section name is compared against at most once.
14947
14948 2005-01-10  Ben Elliston  <bje@au.ibm.com>
14949
14950         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
14951         targets for which -fPIC reduces limitations on the GOT size.
14952
14953 2005-01-09  Falk Hueffner  <falk@debian.org>
14954
14955         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
14956         X/C1 cmpop C2.
14957
14958 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
14959
14960         PR target/18720
14961         * collect2.c (main): Set aixrtl_flag for -brtl option.
14962         (resolve_lib_name): Search for .so file extension before .a
14963         if aixrtl_flag set.
14964
14965 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
14966
14967         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
14968         (vect_analyze_data_refs_alignment): Add dump prints.
14969
14970 2005-01-09  Ira Rosen  <irar@il.ibm.com>
14971
14972         * tree-vectorizer.c (vect_analyze_offset_expr): Use
14973         expr_invariant_in_loop_p.
14974         Initialize outputs first thing in the function.
14975         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
14976         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
14977         (vect_analyze_pointer_ref_access): Check that the initial condition of
14978         the access function is loop invariant.
14979
14980 2005-01-09  Richard Henderson  <rth@redhat.com>
14981
14982         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
14983         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
14984         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
14985         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
14986         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
14987         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
14988         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
14989         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
14990         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
14991         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
14992         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
14993         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
14994         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
14995         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
14996         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
14997         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
14998         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
14999         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
15000         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
15001         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
15002         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
15003         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
15004         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
15005         mmx_ prefix.
15006         (mmx_clrdi, pavgusb): Remove.
15007         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
15008         with leading sse_ prefix.
15009         * config/i386/sse.md: Receive them.
15010         * config/i386/mmx.md: New file.
15011         (MMXMODE12, MMXMODE24, mmxvecsize): New.
15012         (subrv2sf3): Turn into expander for normal subtraction.
15013         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
15014         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
15015         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
15016         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
15017         commutative; use ix86_binary_operator_ok.
15018         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
15019         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
15020         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
15021         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
15022         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
15023         Macroize from existing patterns; use ix86_binary_operator_ok.
15024         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
15025         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
15026         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
15027         with vec_select+vec_concat.
15028         (mmx_pshufw, mmx_pshufw_1): Likewise.
15029         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
15030         (mmx_uavgv4hi3): Model correctly.
15031         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
15032         _mm_xor_si64): Remove casts.
15033
15034 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
15035
15036         PR tree-optimization/19224
15037         * tree-scalar-evolution.c (get_instantiated_value,
15038         set_instantiated_value): New functions.
15039         (instantiate_parameters_1): Cache the results.
15040         (instantiate_parameters, resolve_mixers): Initialize and free
15041         the cache.
15042
15043 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
15044
15045         * config/i386/i386.md (addhi_4): Correct reference in comment.
15046         (addqi_4): Same.
15047
15048 2005-01-08  Richard Henderson  <rth@redhat.com>
15049
15050         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
15051         (_mm_cvtsi128_si64x): Likewise.
15052         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
15053         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
15054         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
15055         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
15056         * config/i386/i386-protos.h: Update.
15057         * config/i386/i386.c (print_operand): Add 'H'.
15058         (ix86_fixup_binary_operands): Split out from ...
15059         (ix86_expand_binary_operator): ... here.
15060         (ix86_fixup_binary_operands_no_copy): New.
15061         (ix86_expand_fp_absneg_operator): Handle vector mode results.
15062         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
15063         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
15064         (safe_vector_operand): Use CONST0_RTX.
15065         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
15066         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
15067         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
15068         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
15069         special cases.
15070         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
15071         (IX86_BUILTIN_CMPNGESS): New.
15072         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
15073         (attr type): Add sselog1.
15074         (attr unit, attr memory): Handle it.
15075         (movti, movti_internal, movti_rex64): Move near other integer moves.
15076         (movtf, movtf_internal): Move near other fp moves.
15077         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
15078         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
15079         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
15080         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
15081         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
15082         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
15083         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
15084         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
15085         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
15086         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
15087         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
15088         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
15089         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
15090         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
15091         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
15092         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
15093         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
15094         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
15095         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
15096         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
15097         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
15098         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
15099         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
15100         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
15101         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
15102         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
15103         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
15104         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
15105         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
15106         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
15107         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
15108         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
15109         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
15110         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
15111         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
15112         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
15113         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
15114         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
15115         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
15116         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
15117         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
15118         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
15119         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
15120         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
15121         same time.
15122         (SSEPUSH, push<SSEPUSH>): Remove.
15123         (MMXPUSH, push<MMXPUSH>): Remove.
15124         (sse_movaps, sse_movaps_1, sse_movups): Remove.
15125         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
15126         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
15127         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
15128         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
15129         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
15130         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
15131         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
15132         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
15133         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
15134         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
15135         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
15136         (ppro_sse_log_V4SF): Handle sselog1.
15137         * config/i386/predicates.md (const_0_to_1_operand): New.
15138         (const_0_to_255_mul_8_operand): New.
15139         (const_1_to_31_operand): Rename from const_int_1_31_operand.
15140         (const_2_to_3_operand, const_4_to_7_operand): New.
15141         * config/i386/sse.md: New file.
15142         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
15143         (sse_movups): Rename from sse_movups_1.
15144         (sse_loadlss): Rename from sse_loadss_1.
15145         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
15146         from the name.
15147         (negv4sf2): Use ix86_expand_fp_absneg_operator.
15148         (absv4sf2, negv2df, absv2df): New.
15149         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
15150         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
15151         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
15152         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
15153         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
15154         (sse3_addsubv4sf3): Model correctly.
15155         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
15156         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
15157         (sse_movhlps): Model with vec_select+vec_concat.
15158         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
15159         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
15160         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
15161         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
15162         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
15163         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
15164         sse2_pshufhw_1): Likewise.
15165         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
15166         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
15167         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
15168         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
15169         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
15170         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
15171         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
15172         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
15173         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
15174         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
15175         sminv8hi3): Mark commutative
15176         operands.  Use ix86_binary_operator_ok.
15177         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
15178         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
15179         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
15180         sse2_punpcklqdq): Allow operand2 in memory.
15181         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
15182         sse2_movsd): Add memory alternatives.
15183         (sse_storelps): Turn expander into an insn; split after reload.
15184         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
15185         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
15186
15187 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15188
15189         * configure.ac (DWARF-2 debug_line): Use objdump.
15190         * configure: Regenerate.
15191
15192 2005-01-08  Jeff Law  <law@redhat.com>
15193             Diego Novillo  <dnovillo@redhat.com>
15194
15195         PR tree-optimization/18241
15196         * tree-nrv.c (tree_nrv): Ignore volatile return values.
15197         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
15198         statements with volatile operands.
15199         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
15200         operands after marking a statement with has_volatile_ops.
15201
15202 2005-01-08  Roger Sayle  <roger@eyesopen.com>
15203
15204         * tree.c (int_fits_type_p): Always honor integer constant
15205         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
15206
15207 2005-01-08  Roger Sayle  <roger@eyesopen.com>
15208
15209         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
15210         the latent bug in rtl_delete_block has been resolved.
15211
15212 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
15213
15214         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
15215         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
15216
15217 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
15218
15219         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
15220         library as @multilib_dir@/$(SHLIB_SONAME).
15221
15222 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
15223
15224         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
15225         * configure: Regenerate.
15226
15227 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
15228
15229         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
15230         TYPE_MODE.
15231
15232 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
15233
15234         PR target/13674
15235         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
15236         Convert non-word aligned offset address using ld/std into
15237         indirect address.
15238
15239 2005-01-07  Richard Henderson  <rth@redhat.com>
15240
15241         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
15242
15243 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
15244
15245         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
15246
15247 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
15248
15249         PR tree-optimization/19283
15250         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
15251         is not shorter than the original type.
15252
15253         PR rtl-optimization/19012
15254         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
15255
15256         PR rtl-optimization/18861
15257         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
15258         (FULL_STATE): Define.
15259         (mark_tablejump_edge): New function.
15260         (purge_dead_tablejump_edges): New function.
15261         (find_bb_boundaries): Use it.
15262
15263         PR tree-optimization/18828
15264         * builtins.c (expand_builtin_next_arg): Remove argument and all
15265         the argument checking.
15266         (expand_builtin): Adjust caller.
15267         (expand_builtin_va_start): Likewise.  Remove error for too many
15268         arguments.
15269         (fold_builtin_next_arg): Issue error for too many arguments.
15270         After checking arguments, replace them with magic arguments that
15271         prevent further checking of the args.
15272
15273 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15274
15275         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
15276
15277 2005-01-06  Roger Sayle  <roger@eyesopen.com>
15278
15279         PR target/6077
15280         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
15281         and %{.S:...} (and their negative variants) to test whether the
15282         input file is assembler or pre-processed-assembler independent of
15283         the actual filename extension.
15284
15285 2005-01-06  Roger Sayle  <roger@eyesopen.com>
15286
15287         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
15288         of sign or zero extended values.
15289
15290 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
15291
15292         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
15293         for IBM long double format correctly.
15294
15295 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
15296
15297         Fix PR tree-optimization/18792
15298
15299         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
15300         to first_loop_depth, and use loop depth instead of loop number.
15301         (build_classic_dir_vector): Ditto.
15302         (compute_data_dependences_for_loop): Use depth, not loop number.
15303         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
15304         number. Pass in loops, instead of loop numbers.
15305         (gather_interchange_stats): Ditto.
15306         (linear_transform_loops): Ditto.
15307
15308 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
15309
15310         PR rtl-opt/13299
15311         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
15312         biv_fits_mode_p, extension_within_bounds_p): New functions.
15313         (check_ext_dependent_givs): Use them.
15314
15315 2005-01-06  Roger Sayle  <roger@eyesopen.com>
15316
15317         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
15318         more than one barrier, in which case we should delete them all.
15319
15320 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
15321
15322         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
15323
15324 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
15325
15326         Fix PR middle-end/19286
15327         Fix PR debug/19267
15328         * dwarf2out.c (gen_subprogram_die): If we've already tried to
15329         output this subprogram, simply ignore this attempt to do it again.
15330         (add_abstract_origin_attribute): Don't abort trying to add the abstract
15331         origin attribute if it's not possible.
15332         (gen_block_die): Don't ignore subblocks of "unused" blocks.
15333         (decls_for_scope): Ditto.
15334         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
15335         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
15336
15337 2005-01-05  Richard Henderson  <rth@redhat.com>
15338
15339         PR target/11327
15340         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
15341         (bdesc_2arg): Use it.
15342         (ix86_expand_binop_builtin): Force operands into registers
15343         when optimizing.
15344         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
15345         ix86_expand_sse_compare, ix86_expand_sse_comi,
15346         ix86_expand_builtin): Likewise.
15347
15348 2005-01-05  Richard Henderson  <rth@redhat.com>
15349
15350         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
15351         and VEC_SELECT.
15352         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
15353         (mulv4hi3): Set itanium_class mmmul.
15354         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
15355         (fpack): Rename from fpack_sfsf.
15356
15357 2005-01-05  Richard Henderson  <rth@redhat.com>
15358
15359         PR rtl-opt/10692
15360         * reload1.c (do_input_reload): Restrict the optimization deleteing
15361         a previous output reload to RELOAD_FOR_INPUT.
15362
15363 2005-01-05  Steven Bosscher  <stevenb@suse.de>
15364
15365         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
15366         comment that we fall through after case.
15367         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
15368         (distribute_links): Likewise.
15369         * cse.c (cse_insn): Likewise.
15370         * cselib.c (cselib_invalidate_mem): Likewise.
15371         * df.c: Update comments at the top of the file.
15372         (read_modify_subreg_p): Update comments here too.
15373         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
15374         * flow.c (mark_set_1): Likewise.
15375         (mark_used_regs): Likewise.
15376         * gcse.c (mems_conflict_for_gcse_p): Likewise.
15377         (canon_list_insert): Likewise.
15378         (mark_set): Likewise.
15379         (try_replace_reg): Likewise.
15380         (store_killed_in_insn): Likewise.
15381         * loop.c (count_one_set): Likewise.
15382         (basic_induction_var): Likewise.
15383         * postreload-gcse.c (find_mem_conflicts): Likewise.
15384         * postreload.c (reload_combine_note_store): Likewise.
15385         (move2add_note_store): Likewise.
15386         * reload.c (find_equiv_reg): Likewise.
15387         (mark_referenced_resources): Likewise.
15388         * rtlanal.c (set_noop_p): Likewise.
15389         (note_stores): Likewise.
15390         (note_uses): Likewise.
15391         * sched-deps.c (sched_analyze_1): Likewise.
15392         * sched-rgn.c (check_live_1): Likewise.
15393         (update_live_1): Likewise.
15394         * config/i860/i860.c: Likewise.
15395
15396         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
15397         an lvalue.
15398         (ZERO_EXTRACT): Mention that this one can be an lvalue.
15399
15400         * doc/rtl.texi: Update documentation for bit-fields and SET.
15401
15402 2005-01-05  Roger Sayle  <roger@eyesopen.com>
15403
15404         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
15405
15406 2005-01-05  Jan Hubicka  <jh@suse.cz>
15407             Richard Henderson  <rth@redhat.com>
15408
15409         PR target/18910
15410         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
15411         with an offset.
15412
15413 2005-01-05  Richard Henderson  <rth@redhat.com>
15414
15415         PR target/12902
15416         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
15417         (sse_shufps): Change operand 3 to const_int_operand.
15418         (sse2_storelps): Fix typo in template.
15419         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
15420         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
15421         (ix86_expand_builtin): Likewise.
15422
15423 2005-01-05  Julian Brown  <julian@codesourcery.com>
15424
15425         * config/arm/arm.c (arm_return_in_memory): Treat complex types
15426         as aggregates for AAPCS ABIs.
15427
15428 2005-01-05  Stan Shebs  <shebs@apple.com>
15429
15430         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
15431         Mach-O getters if ppc64.
15432         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
15433         size argument.
15434         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
15435         signed four-byte field for global code case.
15436         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
15437
15438 2005-01-05  Roger Sayle  <roger@eyesopen.com>
15439
15440         PR middle-end/19100
15441         * c-common.c: Include real.h.
15442         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
15443         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
15444         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
15445         * Makefile.in (c-common.o): Update dependencies.
15446
15447 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15448
15449         * c-parse.in (asm_string): Add trailing semicolon.
15450
15451 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15452
15453         * c-parse.in (asm_string): New.  Don't allow wide strings in
15454         'asm'.
15455         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
15456         asm_string instead of STRING.
15457
15458 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15459
15460         * c-typeck.c (constructor_no_implicit): Remove.
15461         (set_designator, process_init_element): Don't check
15462         constructor_no_implicit.
15463
15464 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
15465             Kaz Kojima  <kkojima@gcc.gnu.org>
15466
15467         PR target/16482
15468         * lcm.c (create_pre_exit): New.
15469         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
15470         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
15471
15472 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
15473
15474         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
15475         -msoft-float in target_float_switch.
15476         * arm.c (arm_override_options): Fix processing of target_float_switch.
15477
15478 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
15479
15480         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
15481         preferencing.
15482
15483 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
15484
15485         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
15486         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
15487
15488 2005-01-04  Roger Sayle  <roger@eyesopen.com>
15489
15490         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
15491         if deleting the then-block allows the test-block to fallthru to the
15492         else-block.
15493
15494 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
15495
15496         PR c/19152
15497         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
15498         after the full declaration if the are in two different TUs.
15499
15500 2005-01-04  Richard Henderson  <rth@redhat.com>
15501
15502         PR tree-opt/19158
15503         * tree-sra.c (generate_one_element_init): Just
15504         call gimplify_and_add.
15505         (generate_element_init): Record the
15506         new referenced variables and mark them for renaming
15507         and split out to ...
15508         (generate_element_init_1): This.
15509         (scalarize_init): Don't call push_gimplify_context/
15510         pop_gimplify_context.
15511
15512 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
15513
15514         * toplev.c (get_src_pwd): Handle failure of getpwd().
15515
15516 2005-01-04  Roger Sayle  <roger@eyesopen.com>
15517
15518         * fold-const.c (fold_single_bit_test): Delete unreachable handling
15519         of TRUTH_NOT_EXPR.
15520         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
15521         all the cases handled by it are inverted by invert_truthvalue.
15522
15523 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
15524
15525         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
15526         (save_register_windowsi): Likewise.
15527
15528 2005-01-04  Richard Henderson  <rth@redhat.com>
15529
15530         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
15531
15532 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
15533
15534         PR middle-end/17767
15535         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
15536         any simplifications of vector mode comparison operators.
15537         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
15538
15539 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
15540             Devang Patel  <dpatel@apple.com>
15541
15542         PR tree-optimization/18308
15543         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
15544         the operands before creating a new expression.
15545         * dojump.c (do_jump): Make drop_through_label available
15546         for all cases.  Add expansion of COND_EXPR.
15547
15548 2005-01-04  Ira Rosen  <irar@il.ibm.com>
15549
15550         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
15551         INTEGER_CST instead of TREE_CONSTANT.
15552         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
15553         instead of TREE_CONSTANT.
15554         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
15555         instead of TREE_CONSTANT.
15556
15557 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
15558
15559         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
15560
15561 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
15562
15563         PR target/19240
15564         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
15565         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
15566
15567 2005-01-03  Richard Henderson  <rth@redhat.com>
15568
15569         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
15570         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
15571         fold_convert_const_real_from_real): Split out from ...
15572         (fold_convert_const): ... here.
15573
15574 2005-01-03  Richard Henderson  <rth@redhat.com>
15575
15576         PR target/19235
15577         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
15578         (mov<MMXMODEI>_internal): Likewise.
15579         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
15580         Add V2SF case; use it for SSE1; don't use TI.
15581         (movdf_integer): Likewise.
15582         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
15583
15584 2005-01-03  Ira Rosen  <irar@il.ibm.com>
15585
15586         * tree-vectorizer.c (vect_strip_conversions): New function.
15587         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
15588         check for binary class.
15589
15590 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
15591
15592         Fix PR debug/17924
15593         Fix PR debug/19191
15594         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
15595         is a decl.
15596         * gimple-low.c (mark_blocks_with_used_vars): New function.
15597         (mark_blocks_with_used_subblocks): Ditto.
15598         (mark_used_blocks): Ditto.
15599         (pass_mark_used_blocks): New pass.
15600         * tree-inline.c: Include debug.h.
15601         (expand_call_inline): Call outlining_inline_function here.
15602         * tree-optimize.c (init_tree_optimization_passes): Add
15603         pass_mark_used_blocks.
15604         * tree-pass.h (pass_mark_used_blocks): New.
15605         * Makefile.in (tree-inline.o): Add debug.h dependency.
15606
15607 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
15608
15609         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
15610         VAR_DECLs to have weak_import attribute.
15611
15612         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
15613         'struct ucontext'.
15614
15615 2004-01-03  Steven Bosscher  <stevenb@suse.de>
15616
15617         * passes.c (rest_of_compilation): Don't run regmove if only
15618         flag_expensive_optimizations, require flag_regmove instead.
15619
15620 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
15621
15622         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
15623         register "sparc".
15624         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
15625         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15626         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
15627         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15628
15629 2005-01-03  Richard Henderson  <rth@redhat.com>
15630
15631         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
15632         (ia64_const_ok_for_letter_p): New.
15633         (ia64_const_double_ok_for_letter_p): New.
15634         (ia64_extra_constraint): New.
15635         (ia64_expand_vecint_compare): New.
15636         (ia64_expand_vcondu_v2si): New.
15637         (ia64_expand_vecint_cmov): New.
15638         (ia64_expand_vecint_minmax): New.
15639         (ia64_print_operand): Add 'v'.
15640         (ia64_preferred_reload_class): New.
15641         (ia64_vector_mode_supported_p): New.
15642         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
15643         (PREFERRED_RELOAD_CLASS): Move to function.
15644         (CONST_OK_FOR_LETTER_P): Move to function.
15645         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
15646         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
15647         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
15648         (EXTRA_CONSTRAINT): Move to function.
15649         * config/ia64/ia64.md: Include vect.md.
15650         (itanium_class): Add mmalua.
15651         (type): Handle it.
15652         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
15653         (1b_mmalua): New.
15654         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
15655         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
15656         CONST0_RTX.
15657         (const_int_2bit_operand): New.
15658         (fr_reg_or_0_operand): New.
15659         * config/ia64/ia64-modes.def: Add vector modes.
15660         * config/ia64/ia64-protos.h: Update.
15661         * config/ia64/vect.md: New file.
15662
15663 2005-01-03  Richard Henderson  <rth@redhat.com>
15664
15665         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
15666
15667 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
15668
15669         PR target/19236
15670         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
15671         to SFmode.
15672         (log1pdf2): Change mode of operands[0,1] to DFmode.
15673
15674 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
15675
15676         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
15677         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
15678         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
15679         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
15680         SPARC_RELAXED_ORDERING.
15681
15682 2005-01-03  Richard Henderson  <rth@redhat.com>
15683             Uros Bizjak  <uros@kss-loka.si>
15684
15685         PR target/14631
15686         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
15687         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
15688         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
15689         handling.
15690         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
15691         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
15692         const_pow2_1_to_128_operand): New predicates.
15693
15694 2005-01-02  Greg McGary  <greg@mcgary.org>
15695
15696         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
15697         anonymous decls.
15698         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
15699         object.  [ptr_type]: Remove unused variable.
15700         Remember nearest addressable array-element or record-component
15701         when checking bitfield components.  Tolerate empty BIND_EXPR.
15702
15703 2005-01-01  Richard Henderson  <rth@redhat.com>
15704
15705         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
15706         that don't narrow the value.  Fail for other conversions.
15707
15708 2005-01-01  Richard Henderson  <rth@redhat.com>
15709
15710         PR c/19031
15711         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
15712         * c-lang.c (finish_file): Don't do it here.
15713         * objc/objc-act.c (objc_finish_file): Likewise.
15714
15715         * cgraph.c (decl_assembler_name_equal): New.
15716         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
15717         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
15718         * cgraph.h (struct cgraph_varpool_node): Add next.
15719         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
15720         * varasm.c (assemble_alias): Mark the target as needed.
15721
15722 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
15723
15724         PR middle-end/19221
15725         * function.c (get_arg_pointer_save_area): Use entry_of_function
15726         instead of get_insns.
15727
15728 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15729             Andrew Pinski  <pinskia@physics.uc.edu>
15730             James E. Wilson  <wilson@specifixinc.com>
15731
15732         PR rtl-optimization/12092
15733         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
15734         is zero.
15735
15736 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15737             Olivier Hainque  <hainque@act-europe.fr>
15738
15739         * tree.c (int_fits_type_p): A narrower type always fits in a
15740         wider one, except for negative values into unsigned types.
15741
15742 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15743
15744         * tree.c (int_fits_type_p): Compare the result of force_fit_type
15745         with the original constant rather than require TREE_OVERFLOW.
15746
15747 2005-01-01  Steven Bosscher  <stevenb@suse.de>
15748
15749         PR middle-end/17544
15750         * c-decl.c (finish_function): If compiling C99, annotate the
15751         compiler generated return with the current file name and line 0.
15752         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
15753         the source line is greater than 0.
15754         (remove_bb): Likewise.