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* c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-08-30  Richard Henderson  <rth@redhat.com>
2
3         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a 
4         COMPONENT_REF to pointer arithmetic.
5         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
6         constant "c" as a valid constant initializer.  Allow narrowing of
7         differences against the same base object, for any base object.
8
9 2004-08-30  Richard Henderson  <rth@redhat.com>
10
11         * expr.c (expand_expr_addr_expr): New.
12         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
13
14 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
15
16         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
17         (mips_fp_condition): New enum.
18         (mips_fp_conditions): New array.
19         (print_fcc_operand): Delete.
20         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
21         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
22         (builtin_description): Add "cond" field.
23         (DIRECT_BUILTIN): Initialize it.
24         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
25         into INSN and CODE.  Initialize the "cond" field.
26         (CMP_BUILTINS): Update accordingly.
27         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
28         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
29         mips_fp_condition as argument.  Make it the final operand of the
30         comparison instruction.
31         (mips_expand_builtin): Update accordingly.
32         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
33         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
34         the gaps.
35         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
36         Don't use the 'Q' operand prefix; just print the operand normally.
37         (mips_cabs_*, mips_c_*): Delete, replacing with...
38         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
39         patterns.  Split the 4s versions into 2 ps patterns after reload.
40
41 2004-08-30  Richard Henderson  <rth@redhat.com>
42
43         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
44         assuming an ADDR_EXPR is non-null.
45
46 2004-08-30  Jason Merrill  <jason@redhat.com>
47
48         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
49
50 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
51
52         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
53         * gcov.c (abort): Remove undef.
54
55         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
56         (struct tree_binfo): Remove primary field.
57
58 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
59
60         * fixinc/Makefile.in (machname.h): Remove.
61         (fixincl.x): Do not pass $@ to genfixes.
62         * fixinc/genfixes: Remove code to produce machname.h.
63         * fixinc/fixincl.sh: Move it here instead.
64         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
65         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
66         return a bool indicating whether pz_mn_name_pat is NULL.
67         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
68         Declare extern C variables for the ENV_TABLE.
69         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
70         instead use the result of mn_get_regexps.
71         * fixinc/fixtests.c: Likewise.
72
73 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
74
75         * configure.ac: Do not run fixincludes after stage1 during
76         toplevel bootstrap.
77         * configure: Regenerate.
78
79 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
80
81         * sched-deps.c (get_condition): Partially revert previous, by never
82         trying to extract the condition from a condjump.
83
84 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
85
86         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
87         (handle_visibility_attribute, c_determine_visibility): Likewise.
88         * c-common.h (my_friendly_assert): Remove.
89
90 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
91
92         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
93         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
94         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
95         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
96         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
97
98 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
99
100         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
101         in COMPONENT_REF nodes.
102
103 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
104
105         PR c++/15378
106         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
107         global_dc->warning_as_error_requested.
108         * diagnostic.c (diagnostic_initialize): Tidy.
109         * diagnostic.h (diagnostic_context::x_data): Remove
110         (diagnostic_context::issue_warnings_are_errors_message): Rename
111         from warnings_are_errors_message.
112         (diagnostic_context::warning_as_error_requested): New.
113
114 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
115
116         * sched-deps.c (get_condition): Fix breakage in previous patch.
117
118 2004-08-30  Paul Brook  <paul@codesourcery.com>
119
120         * doc/install.texi: Fix broken mpfr link.
121
122 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
123
124         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
125         other FreeBSD platforms.
126
127 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
128
129         * arm.h (REVERSE_CONDITION): Define.
130         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
131
132 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
133
134         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
135         just the codes, call reversed_comparison_code ().
136         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
137         (not_reg_cond): Use reversed_comparison_code.
138         (and_reg_cond): Likewise.
139         * ifcvt.c (cond_exec_process_if_block): Likewise.
140         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
141
142 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
143
144         * sched-deps.c (get_condition): Rewrite using jump support functions.
145         Use reversed_comparison_code.
146         (conditions_mutex_p): Use reversed_comparison_code.
147
148 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
149
150         * config/mips/mips.c (override_options): Disable hot/cold partitioning
151         for MIPS16.
152
153 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
154
155         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
156         (mips_function_type): Move to mips.c.
157         * config/mips/mips.c (mips_builtin_type): New enum.
158         (builtin_description): Replace code and ftype with builtin_type
159         and function_type.
160         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
161         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
162         (CODE_FOR_mips_abs_ps): Define.
163         (mips_bdesc): Use new macros.
164         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
165         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
166         (mips_expand_builtin_direct): New function.
167         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
168         builtin.  Replace boolean parameter with builtin_type.
169         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
170         (mips_expand_4s_compare_builtin): Delete, replacing with...
171         (mips_expand_builtin_compare): ...this new function.
172
173 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
174
175         PR rtl-optimization/16590
176         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
177
178 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
179
180         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
181         * tree-ssa-propagate.c: Fix documentation.
182
183 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
184
185         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
186         (mov[sd]fcc): Likewise.
187
188 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
189
190         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
191
192 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
193
194         * config/mips/mips.md (divide_condition): New mode attribute.
195         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
196         (sqrt[sd]f3): Redefine using SCALARF.
197         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
198         patterns.
199
200 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
201
202         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
203         (loadx, storex, fmt, UNITMODE): New mode attributes.
204         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
205         (mul[sd]f3): Redefine using :SCALARF.
206         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
207         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
208         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
209         Check TARGET_FUSED_MADD for V2SF too.
210         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
211         were already named.
212         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
213         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
214
215 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
216
217         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
218         V2SF_type_node if it will be needed.
219
220 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
221
222         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
223         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
224         (mips_prepare_builtin_target): New function.
225         (mips_expand_builtin): Use them.  Update calls to subroutines.
226         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
227         cmp_choice with a boolean argument to select between movt and movf.
228         Take the comparison's icode as an argument, not the function's fcode.
229         (mips_expand_compare_builtin): New function.  Rename existing function
230         to mips_expand_scalar_compare_builtin.
231         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
232         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
233         comparison's icode as an argument, not the builtin's fcode.
234
235 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
236
237         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
238         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
239         registers are false and -1 if all registers are true.
240         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
241         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
242         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
243         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
244         (bc1any2t, bc1any2f): Likewise CCV2.
245         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
246
247 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
248
249         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
250         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
251         UNSPEC rather than an IF_THEN_ELSE.
252         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
253         mips_cond_move_tf_ps by name.
254
255 2004-08-29  Chao-ying Fu  <fu@mips.com>
256             James E Wilson  <wilson@specifixinc.com>
257         
258         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
259         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
260         * config/mips/mips-ps-3d.md: New file.
261         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
262         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
263         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
264         (mips_output_move): Emit "mov.ps" for V2SFmode.
265         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
266         MODE_VECTOR_FLOAT.
267         (override_options): Check if TARGET_MIPS3D and there was an explicit
268         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
269         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
270         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
271         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
272         and allow CCV2 and CCV4 to occupy two and four CC registers.
273         (print_fcc_operand): New function.
274         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
275         %Z to call print_fcc_operand.
276         (mips_function_value): Handle MODE_VECTOR_FLOAT.
277         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
278         (mips_vector_mode_supported_p): New function.
279         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
280         (builtin_description): New struct.
281         (mips_bdesc): New array of struct builtin_description.
282         (mips_expand_builtin, mips_init_builtins,
283         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
284         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
285         functions.
286         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
287         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
288         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
289         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
290         "-mips3d", and "-mno-mips3d".
291         (ASM_SPEC): Map -mips3d to -mips3d in gas.
292         (EXTRA_CONSTRAINT_Y): New macro.
293         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
294         multi-letter constraint 'Y'.
295         (CONSTRAINT_LEN): New macro.
296         (enum mips_builtins): New for MIPS builtin functions.
297         (enum mips_function_type): New for the types of MIPS builtin functions.
298         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
299         * config/mips/mips.md: New constants for paired single and MIPS-3D 
300         instructions.  Include the new mips-ps-3d.md file.
301         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
302         movv2sf_hardfloat_64bit): New named patterns.
303         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
304         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
305         sdxc1_v2sf_di): New unnamed patterns.
306         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
307         const_vector support.
308         (const_0_or_1_operand): New predicate.
309         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
310
311 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
312
313         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
314         (tree-ssa-propagate.o): New rule.
315         (GTFILES): Add tree-ssa-propagate.c.
316         * tree-flow.h (struct stmt_ann_d): Remove field
317         in_ccp_worklist.
318         * tree-ssa-propagate.c: New file.
319         * tree-ssa-propagate.h: New file.
320         * tree-ssa-ccp.c: Re-write to use the routines from
321         tree-ssa-propagate.c.
322
323 2004-08-28  Andrew Pinski  <apinski@apple.com>
324
325         * tree-ssa-loop.c: Remove extra include of basic-block.h.
326
327 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
328
329         * c-common.h: Update comments about ObjC/ObjC++ entry points.
330         (objc_is_reserved_word): New prototype.
331         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
332         separate section; these are call-backs.
333         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
334         ObjC/ObjC++ "@" keywords.
335         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
336         prototypes; they already live in c-common.h.
337         * stub-objc.c: Update copyright notice.
338         (objc_is_reserved_word): New stub.
339
340 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
341
342         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
343         even when not checking.
344
345 2004-08-27  Jason Merrill  <jason@redhat.com>
346
347         PR c++/13684
348         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
349         (gimple_push_cleanup): Add eh_only parm.
350         (gimplify_target_expr): Pass it.
351         * c.opt (-fno-threadsafe-statics): New option.
352         * c-opts.c (c_common_handle_option): Handle it.
353         * c-common.h (flag_threadsafe_statics): Declare it.
354         * c-common.c (flag_threadsafe_statics): Record it.
355         * doc/invoke.texi: Document it.
356         * tsystem.h (_GNU_SOURCE): Define.
357         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
358         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
359         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
360         (__gthread_recursive_mutex_init_function): New fn.
361         (__gthread_recursive_mutex_lock): New fn.
362         (__gthread_recursive_mutex_trylock): New fn.
363         (__gthread_recursive_mutex_unlock): New fn.
364         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
365         * gthr-win32.h, gthr-vxworks.h: Likewise.
366         * gthr.h: Document.
367
368 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
369
370         * config/rs6000/rs6000.c (rs6000_override_options): Increase
371         maximum skip to 15.  Set function alignment, jump alignment, and
372         loop alignment to 16 for processors that form dispatch groups.
373         (rs6000_rtx_costs): outer_code is used.
374
375 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
376
377         * stor-layout.c (sizetype_set): Remove.
378         (set_sizetype): Don't test or set it.
379
380         * tree.h (size_int_type): Remove.
381         * fold-const.c: Do not #include gt-fold-const.h.
382         (size_htab_hash, size_htab_eq): Remove.
383         (size_int_kind): Use build_int_cst.
384         (new_const, size_htab): Remove.
385         (size_int_type): Remove.
386         (round_up): Use build_int_cst.
387         (round_down): Likewise. Remove spurious constant build.
388
389 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
390
391         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
392         Add is_release variable, use it for --enable-werror and
393         --enable-checking defaults.
394         * system.h (gcc_assert, gcc_unreachable): New.
395         * doc/install.texi (--enable-checking): Update.
396         * configure, config.in: Rebuilt.
397
398 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
399
400         * rtl.h (read_rtx): Change prototype.
401         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
402         line number.  Return true on success.
403         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
404         callers accordingly.
405
406 2004-08-26  Richard Henderson  <rth@redhat.com>
407
408         * c-typeck.c (build_offsetof): Remove.
409         * c-tree.h (build_offsetof): Remove.
410         * c-common.c (fold_offsetof_1, fold_offsetof): New.
411         * c-common.h (fold_offsetof): Declare.
412         * c-parse.in (offsetof_base): New.
413         (offsetof_member_designator): Use it.  Build references, not just
414         a tree list.
415         (primary): Use fold_offsetof, not build_offsetof.
416
417 2004-08-26  Richard Henderson  <rth@redhat.com>
418
419         * tree.c (staticp): Return the static object.
420         * tree.h (staticp): Update decl.
421         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
422         * langhooks.c (lhd_staticp): Return NULL_TREE.
423         * langhooks-def.h (lhd_staticp): Update decl.
424         * c-common.c (c_staticp): Return the static object.
425         * c-common.h (c_staticp): Update decl.
426
427 2004-08-26  Richard Henderson  <rth@redhat.com>
428
429         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
430         modes.
431
432 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
433
434         PR c/13801
435         * c-decl.c (struct c_binding): Add type and inner_comp fields.
436         (bind): Set type and inner_comp fields.
437         (pop_scope): Restore type of decl to the correct type from an
438         outer scope.  Give error when popping file scope for incomplete
439         arrays completed incompatibly with default initialization in an
440         inner scope.
441         (diagnose_mismatched_decls): Handle externs with initializers at
442         block scope.
443         (pushdecl): Set type of external declaration at block scope based
444         only on the visible declarations.  Save type when changing the
445         type of a declaration.  Merge an external declaration at block
446         scope with a visible static declaration at file scope.
447         (implicitly_declare): Give recycled old declaration the new type
448         except for incompatible declarations of built-in functions, saving
449         the old type.
450
451 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
452
453         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
454
455 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
456
457         * tree-alias-common.c (gate_pta): New function.
458         (pass_build_pta): Use it.
459         (pass_del_pta): Use it.
460         (delete_alias_vars): Don't check flag_tree_points_to.
461
462 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
463
464         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added 
465         TFmode as additional register mode cloberred by call.
466
467 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
468
469         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
470         parallel pattern for library call returning DImode in
471         mixed mode.
472
473 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
474
475         * config/rs6000/rs6000.c (function_arg): Generate parallel
476         pattern for more split args.
477
478 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
479
480         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
481         either gen_movdi_di_update or gen_movdi_si_update depending on
482         target mode.
483         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
484         to generate two versions.
485  
486 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
487
488         * Makefile.in (lambda-code.o): New.
489         (lambda-trans.o): Ditto.
490         (TREE_DATA_REF_H): Ditto.
491         (LAMBDA_H): Ditto.
492         (lambda-mat.o): Use LAMBDA_H.
493         (tree-data-ref.o): Ditto.
494         * lambda-code.c: New file.  Lambda code generation algorithm.
495         * lambda-trans.c: Ditto. Lambda transformation matrix support.
496         * lambda.h: Add lambda loop structures.
497         Add lambda loopnest structures.
498         Add lambda body vector structure.
499         Add lambda linear expression structures.
500         Add prototypes for functions in new files.
501         * lambda-mat.c: Include tree.h
502
503 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
504             Sebastian Pop  <pop@cri.ensmp.fr>   
505         
506         * tree-data-ref.h: Include lambda.h     
507         (free_dependence_relation): Declared here.
508         (free_dependence_relations): Ditto.     
509         (free_data_refs): Ditto.
510         * tree-data-ref.c (free_dependence_relation): New function.
511         (free_dependence_relations): Ditto.
512         (free_data_refs): Ditot.
513         (analyze_all_data_dependences): Free datarefs and dependence_relations.
514         (build_classic_dist_vector): Store in the dependence_relations the
515         information. Each arc in the dependence_relations graph is labelled
516         with the distance and direction vectors.
517         (build_classic_dir_vector): Ditto.
518         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
519         Now computes again the whole dependence graph including read-read
520         relations.
521         (compute_data_dependences_for_loop): Now dependence_relations contains
522         all the data, and thus it doesn't need to initialize the classic_dir
523         and classic_dist vectors.
524         (analyze_all_data_dependences): Adjusted for using the new interface of
525         compute_data_dependences_for_loop.  Remove the statistics dump.
526         
527 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
528
529         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
530         (xtensa_expand_block_move): Update comment.
531         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
532
533 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
534
535         PR target/13506
536         * toplev.c (crash_signal): If we crashed while emitting
537         a user asm, then die more gracefully.
538
539 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
540
541         PR target/17119.
542         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
543         checking for a valid constant, regardless of sign.
544
545 2004-08-25  Richard Henderson  <rth@redhat.com>
546
547         PR target/16974
548         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
549         if the constant satisfies add_operand.
550
551 2004-08-25  Richard Henderson  <rth@redhat.com>
552  
553         PR debug/10695
554         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
555         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
556         unwind info for >16-bit frames.
557
558 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
559
560         PR target/17171
561         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
562
563 2004-08-25  Richard Henderson  <rth@redhat.com>
564
565         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
566         (TARGET_CANNOT_FORCE_CONST_MEM): New.
567
568 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
569
570         * doc/tree-ssa.texi: Document new operand iterator.
571
572 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
573
574         PR target/16480
575         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
576         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
577         as PLUS base regs.
578
579 2005-08-28  Paul Brook  <paul@codesourcery.com>
580
581         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
582         -mfpu=vfp -march=armv5t
583         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
584
585 2004-08-25  Richard Henderson  <rth@redhat.com>
586
587         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
588         * target.h (struct gcc_target): Add scalar_mode_supported_p.
589         * targhooks.c (default_scalar_mode_supported_p): New.
590         * targhooks.h (default_scalar_mode_supported_p): Declare.
591         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
592
593         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
594         before attempting to create types.  Tidy.
595         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
596
597         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
598         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
599
600 2004-08-25  Richard Henderson  <rth@redhat.com>
601
602         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
603         set REAL_MODE_FORMAT for TFmode.
604
605 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
606
607         * c-decl.c (grokparm): New function.
608         * c-tree.h (grokparm): New prototype.
609
610 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
611
612         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
613         iterator controlling structure.
614         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
615         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
616         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
617         iterator flags.
618         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
619         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
620         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
621         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
622         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New. 
623         Empty operand pointers.
624         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
625         (op_iter_next_use): New.  Return next use_operand_p.
626         (op_iter_next_def): New.  Return next def_operand_p.
627         (op_iter_next_tree): New.  Return next operands as a tree.
628         (op_iter_init): New.  Initialize an iterator structure.
629         (op_iter_init_use): New.  Initialize structure and get the first use.
630         (op_iter_init_def): New.  Initialize structure and get the first def.
631         (op_iter_init_tree): New.  Initialize structure and get the first tree.
632         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
633         (op_iter_init_maydef): New.  Initialize structure and get the first 
634         V_MAY_DEF operands.
635         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
636         * tree-dfa.c (compute_immediate_uses_for_stmt, 
637         redirect_immediate_uses): Use new operand iterator.
638         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
639         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
640         operands instead of using *_disappeared_p routines.
641         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
642         ssa_rewrite_stmt): Use new operand iterator.
643         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
644         rewrite_trees): Use new operand iterator.
645         * tree-pretty-print.c (dump_vops): Use new operand iterator.
646         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
647         * tree-ssa-alias.c (compute_points_to_and_addr_escape, 
648         dump_points_to_info): Use new operand iterator.
649         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize, 
650         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new 
651         operand iterator.
652         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary, 
653         propagate_necessity): Use new operand iterator.
654         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
655         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
656         a parameter instead of a stmt_ann_t.
657         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
658         build_tree_conflict_graph): Use new operand iterator.
659         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
660         rewrite_mem_refs): Use new operand iterator.
661         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt, 
662         check_loop_closed_ssa_use): Use new operand iterator.
663         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
664         * tree-ssanames.c (release_defs): Use new operand iterator.
665         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
666
667 2004-08-25  Adam Nemet  <anemet@lnxw.com>
668
669         * tlink.c (initial_cwd): New variable.
670         (tlink_init): Initialize it.
671         (recompile_files): Use tlink_execute() instead of system().  Don't
672         duplicate verbose output of collect_execute.  Restore initial_cwd.
673         Update comment before the function.
674
675 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
676
677         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
678         accept) a cast from one Objective-C pointer type to another.
679
680 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
681
682         * doc/install.texi: Document that libstdc++-v3 requires
683         now automake 1.9.1.
684
685 2004-08-25  Caroline Tice  <ctice@apple.com>
686
687         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
688         to comments at start of function.
689         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
690         comment.
691         * cfgcleanup.c (try_simplify_condjump, try_forward_edges, 
692         merge_blocks_move_predecessor_nojumps, 
693         merge_blocks_move_successor_nojumps, merge_blocks_move, 
694         try_crossjump_to_edge, try_crossjump_bb): Likewise.
695         * cfglayout.c (fixup_reorder_chain): Likewise.
696         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
697         cfg_layout_can_merge_blocks_p):  Likewise.
698         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
699         * passes.c (rest_of_compilation): Update comments for calling 
700         optimization that partitions hot/cold basic blocks.
701         * doc/invoke.texi:  Update documentation of 
702         freorder-blocks-and-partition flag.
703         
704 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
705
706         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
707         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
708
709 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
710
711         * config/mips/mips.md (any_shift): New code macro.
712         (optab, insn): New code attributes.
713         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
714         Use the standard rather than internal patterns for the MIPS16
715         double-shift optimization.
716         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
717         Redefine using :GPR and any_shift.
718         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
719         to cover all three shifts.
720         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
721         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
722         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
723
724 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
725
726         * gimplify.c (lookup_tmp_var): Separate temporaries when not
727         optimizing.
728
729 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
730
731         PR libstdc++/17005 (fix for HP-UX 11.11)
732         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
733         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
734         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.  
735         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
736         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
737         (LINK_SPEC): Handle march=1.0 option.
738         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
739         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
740         (SUBTARGET_OPTIONS): New define.
741         (LINK_SPEC): Handle march=1.0 option.
742         (STARTFILE_SPEC): New define.
743         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
744         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
745         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
746         (SUBTARGET_OPTIONS): New define.
747         (LINK_SPEC): Handle march=1.0 option.
748         (STARTFILE_SPEC): New define.
749         * config/pa/pa.c (override_options): Add code to process -munix= option.
750         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
751         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
752         defines.
753         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
754         (SUBTARGET_OPTIONS): Provide default define.
755         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
756         STANDARD_STARTFILE_PREFIX_2): New defines.
757         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
758         (ENDFILE_SPEC): Use %O.
759         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
760         Mention issue caused by changing namespace and runtime to UNIX 95/98.
761         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
762         Document -munix=std option.
763
764 2004-08-25  Steven Bosscher  <stevenb@suse.de>
765
766         * cse.c (cse_around_loop, cse_check_loop_start,
767         cse_set_around_loop): Remove.
768         (cse_basic_block): Remove the around_loop argument.
769         (cse_end_of_basic_block): Remove the after_loop argument.
770         (cse_main): Likewise.
771         * rtl.h (cse_main): Update prototype.
772         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
773         rest_of_handle_gcse): Update cse_main calls.
774
775 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
776
777         * tree.h  (build_int_cst): New, sign extended constant.
778         (build_int_cstu): New, zero extended constant.
779         (build_int_cst_wide): Renamed from build_int_cst.
780         * tree.c (build_int_cst, build_int_cstu): New.
781         (build_int_cst_wide): Renamed from build_int_cst.
782         (make_vector_type, build_common_tree_nodes,
783         build_common_tree_nodes_2): Adjust build_int_cst calls.
784         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
785         expand_builtin_strpbrk, expand_builtin_fputs,
786         build_string_literal, expand_builtin_printf,
787         expand_builtin_sprintf, fold_builtin_classify_type,
788         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
789         fold_builtin_toascii, fold_builtin_isdigit,
790         simplify_builtin_strstr, simplify_builtin_strpbrk,
791         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
792         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
793         DEF_ATTR_INT): Likewise.
794         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
795         Likewise.
796         * c-lex.c (interpret_integer, lex_charconst): Likewise.
797         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
798         * c-pretty-print.c (pp_c_integer_constant): Likewise.
799         * c-typeck.c (really_start_incremental_init, push_init_level,
800         set_nonincremental_init_from_string): Likewise.
801         * calls.c (load_register_parameters): Likewise.
802         convert.c (convert_to_pointer): Likewise.
803         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
804         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
805         build_gcov_info): Likewise.
806         * except.c (init_eh, assign_filter_values): Likewise.
807         * expmed.c (store_fixed_bit_field, extract_bit_field,
808         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
809         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
810         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
811         * expr.c (convert_move, emit_group_load, emit_group_store,
812         expand_assignment, store_constructor, store_field,
813         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
814         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
815         invert_truthvalue, optimize_bit_field_compare,
816         decode_field_reference, all_ones_mask_p, constant_boolean_node,
817         fold_div_compare, fold, fold_read_from_constant_string,
818         fold_negate_const, fold_abs_const, fold_not_const, round_up,
819         round_down): Likewise.
820         * function.c (assign_parm_setup_block): Likewise.
821         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
822         Likewise.
823         * stor-layout.c (layout_type, initialize_sizetypes,
824         set_min_and_max_values_for_integral_type): Likewise.
825         * tree-chrec.c (chrec_fold_multiply_poly_poly,
826         reset_evolution_in_loop): Likewise.
827         * tree-chrec.h (build_polynomial_chrec): Likewise.
828         * tree-complex.c (build_replicated_const): Likewise.
829         * tree-eh.c (honor_protect_cleanup_actions,
830         lower_try_finally_onedest, lower_try_finally_copy,
831         lower_try_finally_switch): Likewise.
832         * tree-mudflap.c (mf_build_string, mx_register_decls,
833         mudflap_register_call, mudflap_enqueue_constant): Likewise.
834         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
835         * tree-pretty-print.c (dump_generic_node): Likewise.
836         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
837         Likewise.
838         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
839         * tree-ssa-loop-niter.c (number_of_iterations_cond,
840         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
841         Likewise.
842         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
843         canonicalize_loop_induction_variables): Likewise.
844         * tree-vectorizer.c (vect_create_index_for_array_ref,
845         vect_transform_loop_bound, vect_compute_data_ref_alignment):
846         Likewise.
847
848         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
849         alpha_gimplify_va_arg_1): Likewise.
850         * config/arm/arm.c (arm_get_cookie_size): Likewise.
851         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
852         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
853         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
854         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
855         mips_gimplify_va_arg_expr): Likewise.
856         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
857         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
858         add_compiler_branch_island): Likewise.
859         * config/s390/s390.c (s390_va_start): Likewise.
860         * config/sh/sh.c (sh_va_start): Likewise.
861         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
862         Likewise.
863         * config/xtensa/xtensa.c (xtensa_va_start,
864         xtensa_gimplify_va_arg_expr): Likewise.
865         
866         * objc/objc-act.c (build_objc_string_object,
867         build_objc_symtab_template, init_def_list, init_objc_symtab,
868         init_module_descriptor, generate_static_references,
869         build_selector_translation_table, get_proto_encoding,
870         build_typed_selector_reference, build_selector_reference,
871         build_next_objc_exception_stuff,
872         build_method_prototype_list_template, generate_descriptor_table,
873         generate_protocols, build_protocol_initializer,
874         build_ivar_list_template, build_method_list_template,
875         build_ivar_list_initializer, generate_ivars_list,
876         generate_dispatch_table, generate_protocol_list,
877         build_category_initializer, build_shared_structure_initializer,
878         generate_shared_structures, handle_impent,
879         generate_objc_image_info): Likewise.
880
881 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
882
883         * cfglayout.c (duplicate_insn_chain): Remove references to
884         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
885         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
886         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
887         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
888         and NOTE_INSN_LOOP_CONT.
889         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
890         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
891         and NOTE_INSN_LOOP_CONT.
892         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
893         check_dbra_loop, loop_dump_aux): Remove references to removed notes
894         and fields.
895         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
896         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
897         references to removed notes and fields.
898         (subtract_reg_term, ujump_to_loop_cont): Remove.
899
900 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
901
902         * doc/install.texi: Document that libcpp does not require
903         Automake any longer.  Document that Automake 1.9.1 should
904         work everywhere.
905
906 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
907
908         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
909         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
910         DWARF_DEBUGGING_INFO from choice-of-definition chain;
911         restructure using C89 features (#elif, #error).
912         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
913         * config/sh/sh.h: Remove references to DWARF_DEBUG.
914         * doc/invoke.texi: Remove references to DWARF version 1;
915         clarify why -gdwarf-2<n> doesn't work.
916
917 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
918
919         * basic-block.h (BB_SET_PARTITION): Clear old value first.
920         * cfg.c (clear_bb_flags): Don't clear partition setting.
921         * ifcvt.c (find_if_case_1): Remove ??? comment.
922
923 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
924
925         PR target/17052
926         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
927         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
928         current_function_stdarg in place of sysv_varargs_p.
929         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
930         sysv_varargs_p.
931
932 2004-08-24  Richard Henderson  <rth@redhat.com>
933
934         PR target/16298
935         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
936         random codes within CONST.
937
938 2004-08-24  James E Wilson  <wilson@specifixinc.com>
939
940         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
941         -freorder-blocks-and-partition.
942
943 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
944
945         PR middle-end/17044
946         * tree-ssa-threadupdate.c (redirection_data): Make static.
947         (thread_block): Use ggc_alloc_cleared to allocate struct
948         redirection_data.  Don't free elements in redirection_data.
949
950 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
951
952         * config/mips/predicates.md (small_data_pattern): Match prefetches.
953
954 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
955
956         PR tree-optimization/17016
957         * tree-ssa-loop-niter.c (number_of_iterations_cond,
958         number_of_iterations_exit): Use POINTER_TYPE_P instead
959         of testing for POINTER_TYPE.
960
961 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
962
963         * tree-ssa-loop-ivcanon.c: New file.
964         * tree-ssa-loop-manip.c (create_iv): New function.
965         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
966         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
967         * cfgloop.c (mark_single_exit_loops): New function.
968         (verify_loop_structure): Verify single-exit loops.
969         * cfgloop.h (struct loop): Add single_exit field.
970         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
971         (mark_single_exit_loops): Declare.
972         (tree_num_loop_insns): Declare.
973         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
974         (duplicate_loop_to_header_edge): Use it.
975         * common.opt (fivcanon): New flag.
976         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
977         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
978         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
979         (bsi_insert_on_edge_immediate): New function.
980         * tree-flow.h (bsi_insert_on_edge_immediate,
981         canonicalize_induction_variables, tree_unroll_loops_completely,
982         create_iv): Declare.
983         * tree-optimize.c (init_tree_optimization_passes): Add
984         pass_iv_canon and pass_complete_unroll.
985         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
986         * tree-scalar-evolution.c (get_loop_exit_condition,
987         get_exit_conditions_rec, number_of_iterations_in_loop,
988         scev_initialize): Use single_exit information.
989         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
990         missing assumptions.
991         (loop_niter_by_eval):  Return number of iterations as unsigned
992         int.
993         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
994         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
995         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
996         New passes.
997         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
998         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
999         the defining statement is ready.
1000         * tree-vectorizer.c (vect_create_iv_simple): Removed.
1001         (vect_create_index_for_array_ref, vect_transform_loop_bound):
1002         Use create_iv.
1003         (vect_transform_loop_bound): Use single_exit information.
1004         (vect_analyze_loop_form): Cleanup bogus tests.
1005         (vectorize_loops): Do not call flow_loop_scan.
1006         * tree.h (may_negate_without_overflow_p): Declare.
1007         * fold-const.c (may_negate_without_overflow_p): Split out from ...
1008         (negate_expr_p): ... this function.
1009         (tree_expr_nonzero_p): Handle overflowed constants correctly.
1010         * doc/invoke.texi (-fivcanon): Document.
1011         * doc/passes.texi: Document canonical induction variable creation.
1012
1013 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1014
1015         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
1016         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
1017         using the mode of the operand to decide between them.
1018         * config/mips/mips.md (MOVECC): New mode macro.
1019         (ccreg): New mode attribute.
1020         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
1021         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
1022         (mov[sd]icc): Redefine using :GPR.
1023
1024 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1025
1026         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
1027         (mips_prefetch_cookie): New function.
1028         * config/mips/mips.c (print_operand_address): Fix handling of
1029         ADDRESS_CONST_INT.
1030         (mips_emit_prefetch): Delete.
1031         (mips_prefetch_cookie): New function.
1032         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
1033         mode of QImode for the address_operand.  Use mips_prefetch_cookie
1034         to calculate the first "pref" operand.
1035         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
1036         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
1037
1038 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
1039
1040         * arm.md: Include predicates.md.
1041         * predicates.md: New file.
1042         * arm.c (s_register_operand, arm_hard_register_operand)
1043         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
1044         (arm_immediate_operand, arm_neg_immediate_operand)
1045         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
1046         (arm_add_operand, arm_addimm_operand, arm_not_operand)
1047         (offsettable_memory_operand, alignable_memory_operand)
1048         (arm_reload_memory_operand, arm_float_rhs_operand)
1049         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
1050         (index_operand, shiftable_operator, logical_binary_operator)
1051         (shift_operator, equality_operator, arm_comparison_operator)
1052         (minmax_operator, cc_register, dominant_cc_register)
1053         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
1054         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
1055         (const_shift_operand, load_multiple_operation)
1056         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
1057         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
1058         (cirrus_register_operand, cirrus_fp_register)
1059         (cirrus_shift_const): Delete, replaced with equivalents in
1060         predicates.md.
1061         (shift_op): Handle ROTATE.
1062         * arm-protos.h: Delete declarations for above.
1063         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
1064         * t-arm (MD_INCLUDES): Add predicates.md.
1065         (s-preds): Depends on MD_INCLUDES.
1066
1067 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1068
1069         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
1070         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
1071         patterns.  Redefine using :GPR.  Give the match_operator a mode.
1072         Use '%2' rather than '%z2' for operand 2.
1073
1074 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1075
1076         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
1077         attribute.
1078
1079 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1080
1081         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
1082         of internal patterns.
1083         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
1084         Redefine using :P.
1085         (tablejump): Use expand_binop to calculate address.  Adjust names
1086         of internal patterns.
1087         (tablejump[sd]i): Renamed from tablejump_internal[12].
1088         Redefine using :P.
1089         (tablejump_mips16[12]): Delete.
1090
1091 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1092
1093         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
1094         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
1095         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
1096         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
1097         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
1098
1099 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1100
1101         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
1102         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
1103         using :GPR.
1104         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
1105         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
1106         (*branch_equality[sd]i_inverted): Likewise
1107         branch_equality{,_di}_inverted.
1108         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
1109         Redefine using :GPR.
1110
1111 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
1112
1113         * rtl.def: Reorganize, placing all codes used only in machine
1114         descriptions at the end.
1115
1116         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
1117         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
1118         rtx_name, rtx_format arrays by direct reference to rtl.def,
1119         first undefining GENERATOR_FILE.  Define enum insn_note and
1120         note_insn_name array by direct reference to insn-notes.def.
1121         (adjust_field_rtx_def): Remove local definition of rtx_name.
1122         Use symbolic names for insn notes.
1123         * Makefile.in (gengtype.o): Update dependencies.
1124
1125 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
1126
1127         * basic-block.h (struct basic_block_def): Reorder fields to
1128         eliminate interior padding.  Remove 'partition' field.
1129         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
1130         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
1131         (BB_COPY_PARTITION): New macros.
1132         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
1133         Replace all references to the 'partition' field of a basic
1134         block with new macros.
1135
1136         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
1137         * final.c (final_scan_insn): Don't handle it.
1138         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
1139         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
1140         * sched-rgn.c (sched_is_disabled_for_current_region_p):
1141         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
1142
1143 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
1144
1145         * c-decl.c (c_init_decl_processing): Adjust
1146         build_common_tree_nodes call.
1147         * expmed.c (const_mult_add_overflow_p): Use
1148         build_distinct_type_copy.
1149         * stor-layout.c (early_type_list): Remove.
1150         (layout_type): Don't append to early_type_list.
1151         (initialize_sizetypes): Add signed_p argument.
1152         (set_sizetype): Overwrite the stub type nodes directly.
1153         * tree.c (copy_node_stat): Clear a type's value cache here ...
1154         (build_distinct_type): ... not here.
1155         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
1156         * tree.h (initialize_sizetypes): Add signed_p argument.
1157         (build_common_tree_nodes): Likewise.
1158
1159         * objc/objc-act.c (get_static_reference): Use
1160         build_variant_type_copy.
1161         (get_protocol_reference): Likewise.
1162         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
1163
1164 2004-08-24  Richard Henderson  <rth@redhat.com>
1165             Andrew Pinski  <apinski@apple.com>
1166
1167         * gimplify.c (gimplify_array_ref_to_plus): Delete.
1168         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
1169         for ARRAY_REF.
1170
1171         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
1172         ARRAY_REF also to get to the STRING_CST.
1173
1174 2004-08-24  Paul Brook  <paul@codesourcery.com>
1175
1176         * config/arm/arm.c (arm_override_options): Update error message.
1177         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
1178         TARGET_HARD_FLOAT_ABI.
1179         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
1180         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
1181
1182 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1183
1184         PR target/17093
1185         * config/m32r.md (movsi_sda): Add SI mode specification to
1186         UNSPEC.
1187
1188 2004-08-24  Nick Clifton  <nickc@redhat.com>
1189
1190         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
1191         of seth_add3_operand.
1192
1193 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
1194
1195         * Makefile.in (PROTO_OBJS): Add errors.o.
1196         * protoize.c (fancy_abort): Remove.
1197         * mips-tfile.c (fancy_abort): Add parameters.
1198
1199 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
1200
1201         * doc/trouble.texi (C++ misunderstandings): Fix example code.
1202
1203 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
1204
1205         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
1206         (host-default.o): Add dependency on HOOKS_H.
1207         * config/x-linux: Likewise.
1208         * config/x-solaris: Likewise.
1209         * config/i386/x-mingw32: Likewise.
1210         * config/rs6000/x-darwin: Likewise.
1211
1212 2004-08-23  James E Wilson  <wilson@specifixinc.com>
1213
1214         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
1215         DEF_REG_NOTE.
1216
1217 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
1218
1219         PR c/14492
1220         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
1221
1222 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
1223
1224         * cfg.c (check_bb_profile): Fix typos.
1225         * function.c (assign_parm_is_stack_parm): Likewise.
1226         * tree-nested.c: Likewise.
1227
1228 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
1229
1230         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
1231         Remove TYPECODE.
1232         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
1233
1234 2004-08-23  Eric Christopher  <echristo@redhat.com>
1235
1236         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
1237         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
1238         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
1239         * target.h: Ditto.
1240         * hooks.h: Include machmode.h.
1241         (hook_bool_mode_false): Declare.
1242         * hooks.c (hook_bool_mode_false): Define.
1243         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
1244         * stor-layout.c (layout_type): Ditto.
1245         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
1246         Define to target macro.
1247         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
1248         * config/arm/arm.c: Ditto. Use.
1249         * config/arm/arm.h: Ditto.
1250         * config/arm/arm-protos.h: Ditto.
1251         * config/i386/i386.c: Ditto.
1252         * config/i386/i386.h: Ditto.
1253         * config/rs6000/rs6000.c: Ditto.
1254         * config/rs6000/rs6000.h: Ditto.
1255         * config/sh/sh.c: Ditto.
1256         * config/sh/sh.h: Ditto.
1257         * config/sh/sh-protos.h: Ditto.
1258         * config/sh/sh.md: Use.
1259         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
1260         to TARGET_VECTOR_MODE_SUPPORTED_P.
1261
1262 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
1263
1264         * Makefile.in (BUILD_ERRORS): Set to build-errors.
1265         (errors.o): New target for host.
1266         (build-errors.o): New target for build.
1267         (genobjs): Replace errors.o with build-errors.
1268         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
1269         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
1270         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
1271         (fix-header.o): Add errors.h
1272         * collect2.c (fancy_abort): Add parameters.
1273         * collect2.h (fancy_abort): Don't declare.
1274         * errors.h (fancy_abort): Don't declare.
1275         * errors.c: Include either bconfig.h or config.h.
1276         (fancy_abort): Trim filename.
1277         * fix-header.c (v_fatal, fatal): Remove.
1278         (progname): Remove definition.
1279         (main): Set progname here.
1280         * gcc.c (fancy_abort): Add parameters.
1281         * gcc.h (fancy_abort): Remove declaration.
1282         * gcov.c (fancy_abort): Remove.
1283         * rtl.h (fancy_abort): Don't declare.
1284         (abort): Don't define.
1285         * tree.h (fancy_abort): Don't declare.
1286         (abort): Don't define.
1287         * system.h (fancy_abort): Declare.
1288         (abort): Define to fancy_abort.
1289         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
1290
1291         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
1292         (usize_type, ubitsizetype): Remove.
1293         * stor-layout.c (set_sizetype): Don't initialize usizetype,
1294         ubitsizetype.
1295         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
1296
1297         * tree.h (build_distinct_type_copy): New.
1298         (build_type_copy): ... here.  Rename to ...
1299         (build_variant_type_copy): ... here.
1300         * tree.c (build_qualified_type): Rename build_type_copy call.
1301         (build_distinct_type_copy): New, broken out of ...
1302         (build_type_copy): ... here.  Rename to ...
1303         (build_variant_type_copy): ... here.  Use
1304         build_distinct_type_copy.
1305         (build_common_tree_nodes_2): Rename build_type_copy call.
1306         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
1307         call.
1308         (handle_packed_attribute, handle_unused_attribute,
1309         handle_transparanet_union_attribute, handle_aligned_attribute,
1310         handle_deprecated_attribute): Likewise.
1311         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
1312         Likewise.
1313         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
1314         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
1315         build_distinct_type_copy.
1316
1317 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1318
1319         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
1320         attribute.
1321
1322 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1323
1324         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
1325         loads and stores.
1326         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
1327         formerly unnamed patterns.  Redefine using :P for the address.  Remove
1328         explicit length attributes.
1329
1330 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1331
1332         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
1333         New functions.
1334         (single_reachable_address): Use them.
1335         (schedule_sm): Add dump.
1336         (is_call_clobbered_ref): New function.
1337         (determine_lsm_reg): Check whether the reference is call clobbered.
1338         Only work for gimple_reg_type values.
1339
1340 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1341
1342         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
1343         $31 store insns.  Redefine using :GPR.
1344
1345 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1346
1347         * config/mips/mips.md (P): New mode macro.
1348         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
1349         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
1350         Add mode attributes.
1351
1352 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1353
1354         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
1355         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
1356         later constants to cover the gap.
1357         (load, store): New mode attributes.
1358         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
1359         Use new unspec constants.
1360
1361 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1362
1363         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
1364         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
1365         to use register_operand rather than uns_arith_operand as the predicate
1366         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
1367         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
1368         Redefine using :GPR.  Make same predicate change here.  Extend the
1369         commutativity of operands 1 and 2 from the SImode version to the
1370         DImode one.
1371         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
1372         but with no predicate changes.
1373         (*nor[sd]i3): Redefine using :GPR.
1374
1375 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1376
1377         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
1378         noreturn functions.
1379
1380 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1381
1382         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
1383         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
1384         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
1385         rather than "%z2" (with a fake const0_rtx for operand 2).
1386         (ffs[sd]i2): Redefine using :GPR.
1387         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
1388
1389 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1390
1391         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
1392
1393 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1394
1395         * config/mips/mips.md (any_extend): New code macro.
1396         (u, su): New code attributes.
1397         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
1398         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
1399         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
1400         (*{s,u}mul_acc_di): Redefine using any_extend.
1401         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
1402         to reflect real insn names.
1403         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
1404         with an any_extend template.
1405         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
1406         Add '*' to name.
1407
1408 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1409
1410         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
1411         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
1412         (mul[sd]i3_r4000): Redefine using :GPR.
1413         (mulsi3_mult3): Don't check TARGET_MAD separately.
1414         (muldi3_mult3): Moved after mulsi_mult3.
1415
1416 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1417
1418         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
1419         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
1420         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
1421         (TARGET_GAS, TARGET_MIPS_AS): Delete.
1422         (TARGET_GPWORD): Define to true for n32 on IRIX.
1423         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
1424         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
1425         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
1426         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
1427         (MDEBUG_ASM_SPEC): Delete, folding into...
1428         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
1429         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
1430         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
1431         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
1432         to define asm_abi_default_spec.
1433         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
1434         (TARGET_ASM_SELECT_SECTION): Delete.
1435         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
1436         for non-mips16 code, removing previous workaround for SGI assemblers.
1437         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
1438         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
1439         (override_options): Remove !TARGET_GAS and !have_named_sections code.
1440         (print_operand): Fold TARGET_GAS conditionals into asm strings.
1441         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
1442         ASM_STABS_OP and ASM_STABN_OP.
1443         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
1444         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
1445         (mips_output_function_prologue): Remove !TARGET_GAS code.
1446         (mips_select_rtx_section): Remove !have_named_sections code.
1447         (mips_select_section): Delete.
1448         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
1449         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
1450         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
1451         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
1452         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
1453         * config/mips/windiss.h (ASM_SPEC): Likewise.
1454
1455 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1456
1457         * read-rtl.c (map_value, mapping, macro_group): New structures.
1458         (BELLWETHER_CODE): New macro.
1459         (modes, codes, bellwether_codes): New variables.
1460         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
1461         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
1462         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
1463         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
1464         (add_map_value, initialize_macros): New functions.
1465         (def_hash, def_hash_eq_p): Generalize to anything that points to,
1466         or starts with, a char * field.
1467         (find_macro, read_mapping, check_code_macro): New functions.
1468         (read_rtx_1): New, split out from read_rtx.  Handle the new
1469         define_{mode,code}_{macro,attr} constructs.  Use find_macro
1470         to parse the name of a code or mode.  Use BELLWETHER_CODE to
1471         extract the format and to choose a suitable code for rtx_alloc.
1472         Modify recursive invocations to use read_rtx_1.
1473         (read_rtx): Call initialize_macros.  Apply code and mode macros
1474         to the rtx returned by read_rtx_1.  Cache everything after the
1475         first macro expansion for subsequent read_rtx calls.
1476         * doc/md.texi: Document new .md constructs.
1477         * config/mips/mips.md (GPR): New mode macro.
1478         (d, si8_di5): New mode attributes.
1479         (any_cond): New code macro.
1480         (add[sd]i3): Redefine using :GPR.
1481         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
1482         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
1483         previously unnamed MIPS16 patterns.
1484         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
1485         lines.  Don't match (plus (const_int 0) ...).
1486         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
1487         Use a define_split to generate the addition.
1488         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
1489         (subsi3_internal): Delete.
1490         (*subsi3_extended): Renamed from subsi3_internal_2.
1491         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
1492         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
1493         using an any_cond template.
1494
1495 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1496
1497         * read-rtl.c (read_rtx): Tidy use of format_ptr.
1498
1499 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1500
1501         * read-rtl.c (string_obstack): New file-scope variable.
1502         (read_string, read_quoted_string, read_braced_string)
1503         (read_escape): Remove obstack parameter and use string_obstack instead.
1504         (read_rtx): Remove function-local rtl_obstack and initialize
1505         string_obstack instead.  Update call to read_string.
1506
1507 2004-08-22  Andrew Pinski  <apinski@apple.com>
1508
1509         PR c/15262
1510         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
1511         expression is not constant.
1512         (c_finish_return): Do not go through INDIRECT_REF when looking
1513         for the inner expression of an ADDR_EXPR for warning about.
1514
1515 2004-08-22  Richard Henderson  <rth@redhat.com>
1516
1517         PR 17075
1518         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
1519         create new blocks and fall through.
1520         (expand_gimple_basic_block): Update to match.
1521
1522 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
1523
1524         * reload.c (find_reloads_address): Make return value tri-state.
1525         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
1526         (find_reloads): Assume that reloaded addresses match 'o' or
1527         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
1528         returned 1 (not -1).  Omit optional reloads for address operands
1529         only if find_reloads_address returned 1 (not -1).
1530
1531         * config/s390/s390.c (legitimize_reload_address): New function.
1532         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
1533         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
1534         legitimize_reload_address.
1535
1536 2004-08-22  Richard Hendersion  <rth@redhat.com>
1537
1538         * tree.h (SAVE_EXPR_RESOLVED_P): New.
1539         * gimplify.c (gimplify_save_expr): Use it.
1540         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
1541         on the temporary variable.
1542
1543 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
1544
1545         * fold-const.c (rtl_expr_nonnegative_p): Delete.
1546         * tree.h (rtl_expr_nonnegative_p): Remove.
1547
1548 2004-08-22  Steven Bosscher  <stevenb@suse.de>
1549
1550         * config/i386/ppro.md (ppro_complex_insn): Add missing check
1551         for cpu==pentiumpro.
1552
1553         * combine.c (struct reg_stat): Fix comment typo.
1554
1555 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1556
1557         * c-tree.h (c_sizeof_nowarn): Remove.
1558
1559 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
1560
1561         * c-decl.c (set_array_declarator_type): Rename to
1562         set_array_declarator_inner.
1563         (build_c_parm, build_attrs_declarator, build_function_declarator):
1564         New functions.
1565         (make_pointer_declarator): Call build_attrs_declarator.
1566         * c-tree.h (set_array_declarator_type): Rename to
1567         set_array_declarator_inner.
1568         (build_c_parm, build_attrs_declarator, build_function_declarator):
1569         New prototypes.
1570         * c-parse.in (after_type_declarator,
1571         parm_declarator_starttypename, parm_declarator_nostarttypename,
1572         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
1573         firstparm): Use these functions
1574
1575 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
1576
1577         * c-decl.c (build_array_declarator, set_array_declarator_type,
1578         start_decl, grokdeclarator, grokparms): Change boolean parameters
1579         to type bool.
1580         * c-tree.h (build_array_declarator, set_array_declarator_type,
1581         start_decl): Update prototypes.
1582         * c-decl.c, c-parse.in: All callers changed.
1583
1584 2004-08-21  Mike Stump  <mrs@apple.com>
1585
1586         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
1587         (darwin_fix_and_continue): Likewise.
1588         (darwin_fix_and_continue_switch): Likewise.
1589         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
1590         (darwin_fix_and_continue): Likewise.
1591         (darwin_fix_and_continue_switch): Likewise.
1592
1593 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
1594
1595         PR  c++/16030
1596         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
1597         Remove, merging into ...
1598         (gen_stdcall_or_fastcall_suffix): New function, returning tree
1599         rather than const char*, and accepting additional parameter.
1600         Don't add suffix to '*'-prefixed symbols or variadic functions.
1601         (i386_pe_encode_section_info): Adjust for call to new function.
1602         Call change_decl_assembler_name.
1603
1604 2004-08-20  Mike Stump  <mrs@apple.com>
1605
1606         * config/darwin.c (machopic_indirect_data_reference): Mark
1607         stubs as defined.
1608         * config/386/386.c (darwin_local_data_pic): Add.
1609         (legitimate_constant_p): Reorder so that PLUS handling runs
1610         before darwin_local_data_pic to match the ordering in
1611         legitimate_pic_address_disp_p and so that MINUS runs after
1612         darwin_local_data_pic as otherwise the darwin_local_data_pic
1613         logic can be skipped, which would be very bad.
1614         (legitimate_pic_address_disp_p): Move from from here to
1615         darwin_local_data_pic so it can be reused.
1616
1617 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
1618
1619         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
1620         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
1621         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
1622         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
1623         (RS6000_ABI_NAME): Define as "linux".
1624         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
1625         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
1626         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
1627         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
1628         * config/rs6000/rs6000.c (dot_symbols): New global var.
1629         (rs6000_output_function_entry): New function, modified for
1630         !DOT_SYMBOLS..
1631         (print_operand <case 'z'>): ..extracted from here.
1632         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
1633         (rs6000_output_function_epilogue): Likewise.
1634         (rs6000_elf_declare_function_name): Likewise.
1635         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
1636         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
1637         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
1638         * configure: Regenerate.
1639         * config.in: Regenerate.
1640
1641 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
1642
1643         * reload.c (find_reloads_address): Fix thinko in previous change.
1644
1645         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
1646         a CONST_INT.
1647
1648 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
1649
1650         PR rtl-optimization/17099
1651         * combine.c (force_to_mode): Check if inner_mask has any bits set
1652         outside of GET_MODE (x) instead of op_mode.
1653
1654 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
1655
1656         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
1657         fragment.
1658         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
1659         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
1660         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
1661         architecture.
1662         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
1663         configurations.
1664         * config/arm/t-symbian: New file.
1665
1666 2004-08-20  Andrew Pinski  <apinski@apple.com>
1667
1668         * regrename.c (kill_value_regno): ANSIfy.
1669
1670 2004-08-20  Dale Johannesen  <dalej@apple.com>
1671
1672         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
1673
1674 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
1675
1676         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
1677         (kill_value_regno): New function, derived from kill_value.
1678         (kill_value): Update.
1679         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
1680
1681 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
1682
1683         Fix PR tree-optimization/17111
1684         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
1685         of non-value_handles.
1686         (bitmap_set_contains): All constants are in every set.
1687
1688 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
1689
1690         * fold-const.c (round_up, round_down): Use build_int_cst.
1691         Optimize common case.
1692
1693 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
1694             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1695
1696         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
1697         one_only_data_section): Rename to som_readonly_data_section,
1698         som_one_only_readonly_data_section and som_one_only_data_section.
1699         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
1700         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
1701         conditional defines.
1702         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
1703         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
1704         string values.
1705         (pa_select_section): Use renamed section functions.
1706         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1707         SOM_READONLY_DATA_SECTION_FUNCTION,
1708         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
1709         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
1710         Define here ...
1711         * config/pa/som.h: ... not here.
1712         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
1713         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
1714         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
1715         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
1716         (READONLY_DATA_SECTION): Use som_readonly_data_section.
1717
1718 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
1719
1720         * fold-const.c (int_const_binop): Don't generate non-overflowing
1721         size-types specially.
1722         (fold_convert_const): Likewise.
1723
1724         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
1725         clear cache on copied sizetype.
1726
1727 2004-08-20  Ben Elliston  <bje@au.ibm.com>
1728
1729         * configure.ac: Don't escape apostrophe in --enable-coverage help.
1730         * configure: Regenerate.
1731
1732 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
1733
1734         PR 5620
1735         * gcc.c (struct stat input_stat): Don't define if
1736         HOST_LACKS_INODE_NUMBERS
1737         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
1738         than stat to determine if temp file is same as input file.
1739         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
1740         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
1741
1742 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
1743
1744         * configure.ac (mips*-*-*): Print an error if not using GAS.
1745         * configure: Regenerated.
1746         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
1747         comments about buggy MIPSpro assemblers.
1748         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
1749         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
1750         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
1751         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
1752         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
1753         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
1754         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
1755         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
1756         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
1757         of more general IRIX 6 definitions.
1758         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
1759         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
1760         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
1761         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
1762         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
1763         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
1764         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
1765         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
1766         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
1767         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
1768         (LINK_SPEC): Move most of definition to iris.h.
1769         (SUBTARGET_LINK_SPEC): New macro.
1770         (IRIX_STARTFILE_SPEC): Fold into...
1771         (STARTFILE_SPEC): ...here.
1772         (IRIX_ENDFILE_SPEC): Fold into...
1773         (ENDFILE_SPEC): ...here.
1774         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
1775         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
1776         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
1777         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
1778         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
1779         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
1780         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
1781         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
1782         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
1783         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
1784         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
1785         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
1786         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
1787         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
1788         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
1789         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
1790         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
1791         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
1792         (TARGET_IRIX6): Define to 1.
1793         (DRIVER_SELF_SPECS): Define.
1794         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
1795         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
1796         (SUBTARGET_LINK_SPEC): New macro.
1797         (IRIX_STARTFILE_SPEC): Fold into...
1798         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
1799         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
1800         (LIB_SPEC, LIBGCC_SPEC): Use them.
1801         (LIB_SPEC): Remove !mabi=* case.
1802         (IRIX_ENDFILE_SPEC): Fold into...
1803         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
1804         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
1805         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
1806         (TARGET_IRIX6): New macro.
1807         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
1808         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
1809         (LABEL_AFTER_LOC): Delete.
1810         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
1811         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
1812         (mips_build_builtin_va_list): Check TARGET_IRIX6.
1813         (override_options): Remove TARGET_SGI_O32_AS-related code.
1814         (irix_output_external_libcall): Make static.
1815         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
1816         LABEL_AFTER_LOC.
1817         (mips_file_start): Tidy guard for ABI sections.  Remove use of
1818         ABICALLS_ASM_OP; use .abicalls instead.
1819         (mips_output_aligned_decl_common, mips_declare_object_name)
1820         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
1821         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
1822         .globl foo .text directives.
1823         (irix_asm_named_section_1, irix_asm_named_section)
1824         (irix_section_align_entry, irix_section_align_htab)
1825         (irix_orig_asm_out_file, irix_section_align_entry_eq)
1826         (irix_section_align_entry_hash, irix_asm_output_align)
1827         (irix_file_start, irix_section_align_1, copy_file_data)
1828         (irix_file_end, irix_section_type_flags): Delete.
1829         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
1830         Use standard section syntax.  Remove protective "jr $31".
1831         (__gcc_fini): Likewise .gcc_fini.
1832         * config/mips/irix-crtn.asm: Adjust sections accordingly.
1833         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
1834         iris5gas.h.
1835         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
1836         from t-irix-gld.
1837         (EXTRA_MULTILIB_PARTS): Define.
1838         * config/mips/t-iris6: Remove bogus comment.
1839         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
1840         * config/mips/iris5gas.h, config/mips/iris5gld.h,
1841         config/mips/iris6gas.h, config/mips/iris6gld.h,
1842         config/mips/t-iris5-as, config/mips/t-iris5-gas
1843         config/mips/t-irix-gld: Delete.
1844         * config/mips/iris.h: New file.
1845         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
1846
1847 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
1848
1849         * postreload.c (reload_cse_move2add): Allow any condjump, but check
1850         that the implicit set isn't clobbered in the jump insn.
1851
1852 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
1853
1854         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
1855         * optabs.c (init_optabs): Don't check it.
1856         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
1857         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
1858
1859 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
1860
1861         * config/s390/s390.md (s390_warn_framesize_string)
1862         (s390_warn_dynamic_string, s390_stack_size_string)
1863         (s390_stack_guard_string): New global string variables.
1864         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
1865         (s390_stack_guard): New global variables.
1866         (override_options): Added checks for the new options.
1867         (s390_emit_prologue): Emit stack check and trap code and perform
1868         compile time stack size checking.
1869
1870         * config/s390/s390.h (TARGET_OPTIONS): Added new options
1871         "warn-framesize", "warn-dynamicstack", "stack-size" and
1872         "stack-guard".
1873
1874         * doc/invoke.texi: Added documentation for the new options.
1875
1876 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
1877
1878         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
1879         to eliminate warning.
1880         (linear_search_fdes): Declare p as unsigned.
1881         (binary_search_mixed_encoding_fdes): Likewise.
1882         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
1883         to eliminate warning.
1884         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
1885         type cast.
1886
1887 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
1888
1889         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
1890         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
1891         instead of one.  Check for strictly legitimate address.
1892         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
1893         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
1894
1895 2004-08-19  Eric Christopher  <echristo@redhat.com>
1896
1897         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
1898         * langhooks.h (unsave_expr_now): Ditto.
1899         * tree.h (unsave_expr_1): Remove prototype.
1900         (lhd_unsave_expr_now): Rename to unsave_expr_now.
1901         * tree-inline.c (unsave_expr_1): Move here
1902         from tree.c. Make static.
1903         (unsave_expr_now): Rename from lhd_unsave_expr_now.
1904         * tree-sra.c: Fix up for rename.
1905         * tree-ssa-copy.c: Ditto.
1906         * tree-eh.c: Ditto.
1907         * tree.c (unsave_expr_1): Move to tree-inline.c.
1908
1909 2004-08-19  Caroline Tice  <ctice@apple.com>
1910
1911         * config/i386/cygming.h (switch_to_section):  Fix typo (change
1912         in_unlikely_text_section to in_unlikely_executed_text).
1913
1914 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
1915
1916         * vec.h (VEC_lower_bound): New macro.
1917
1918 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
1919
1920         PR target/16446
1921         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
1922         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
1923         treat each ABI separately.  Deal with n32/n64 complex float arguments.
1924         (function_arg): Add associated complex handling here.
1925
1926 2004-08-19  Richard Henderson  <rth@redhat.com>
1927
1928         * config/arm/arm.c (arm_gen_load_multiple): Use
1929         adjust_automodify_address.  Take base memory and offset instead
1930         of unchanging/struct/scalar bits.
1931         (arm_gen_store_multiple): Likewise.
1932         (arm_gen_movmemqi): Use adjust_automodify_address.
1933         * config/arm/arm-protos.h: Update decls.
1934         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
1935         (store_multiple): Similarly.
1936
1937 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
1938
1939         * regclass.c (globalize_reg): Update call_really_used_regs.
1940
1941 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
1942
1943         * doc/invoke.texi (integer-share-limit): Document.
1944
1945         * tree.h (TYPE_CACHED_VALUES_P): New.
1946         (TYPE_CACHED_VALUES): New.
1947         (TYPE_ORIG_SIZE_TYPE): Adjust.
1948         * tree.def (INTEGER_CST): Update documentation.
1949         * tree.c: Inlcude params.h.
1950         (build_int_cst): Cache small values.
1951         (build_type_copy): Do not copy the value cache.
1952         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
1953         unneeded zeroing.
1954         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
1955         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
1956         cache.
1957         * fold-const.c (force_fit_type): Copy value when setting
1958         overflows.
1959         (int_const_binop): Likewise.
1960         * stor-layout.c: Include params.h
1961         (set_sizetype): Create values cache.
1962         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
1963         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
1964         * params.h (INTEGER_SHARE_LIMIT): New.
1965         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
1966
1967 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
1968
1969         * gimplify.c (gimplify_minimax_expr): Remove.
1970         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
1971
1972 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
1973
1974         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
1975         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
1976
1977 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
1978
1979         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
1980
1981 2004-08-18  Andrew Pinski  <apinski@apple.com>
1982
1983         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
1984
1985 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
1986
1987         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
1988         (__aeabi_ul2f): Likewise.
1989
1990 2004-08-18  Richard Henderson  <rth@redhat.com>
1991
1992         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
1993         move to rtl completely.
1994         (struct meminsnbuf, xtensa_emit_block_move): Remove.
1995         (xtensa_find_mode_for_size): Remove.
1996         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
1997         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
1998
1999 2004-08-18  Richard Henderson  <rth@redhat.com>
2000
2001         * config/mcore/mcore.c (mode_from_align): Remove DImode.
2002         (block_move_sequence): Rewrite to use adjust_address.
2003         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
2004         Return boolean indicating success/failure.
2005         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
2006         * config/mcore/mcore.md (movmemsi): Update to match.
2007
2008 2004-08-18  Mike Stump  <mrs@apple.com>
2009
2010         * doc/invoke.texi (-mfix-and-continue): Add support for
2011         fast turn around debugging.
2012         (-ffix-and-continue): Likewise.
2013         (-mindirect-data): Likewise.
2014         (-findirect-data): Likewise.
2015         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
2016         (indirect_data): Likewise.
2017         (machopic_data_defined_p): Likewise.
2018         (machopic_output_indirection): Likewise.
2019         (darwin_encode_section_info): Likewise.
2020         (darwin_fix_and_continue): Likewise.
2021         (darwin_fix_and_continue_switch): Likewise.
2022         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
2023         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
2024         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
2025         (SUBTARGET_OPTIONS): Likewise.
2026         (darwin_fix_and_continue): Likewise.
2027         (darwin_fix_and_continue_switch): Likewise.
2028         (TARGET_FIX_AND_CONTINUE): Likewise.
2029         * config/rs6000.c (rs6000_emit_prologue): Likewise.
2030
2031 2004-08-19  Steven Bosscher  <stevenb@suse.de>
2032
2033         * basic-block.h (struct edge_def): Remove crossing_edge.
2034         (EDGE_CROSSING): New define.
2035         (EDGE_ALL_FLAGS): Update.
2036         * bb-reorder.c (find_traces_1_round, better_edge_p,
2037         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
2038         find_jump_block, fix_crossing_conditional_branches,
2039         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
2040         Replace all occurences of crossing_edge with an edge flag check
2041         or set/reset.
2042         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2043         try_crossjump_bb): Likewise.
2044         * cfglayout.c (fixup_reorder_chain): Likewise.
2045         * cfgrtl.c (force_nonfallthru_and_redirect,
2046         commit_one_edge_insertion): Likewise.
2047
2048         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
2049         * tree-flow.h (compute_dominance_frontiers): Move prototype...
2050         * basic-block.h:  ...here.
2051         * tree-cfg.c (compute_dominance_frontiers_1,
2052         compute_dominance_frontiers): Move from here...
2053         * cfganal.c: ...to here.  Include timevar.h.
2054
2055 2004-08-18  James E Wilson  <wilson@specifixinc.com>
2056
2057         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
2058         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
2059
2060         * config/mips/mips.md (type): Add frdiv.
2061         (divsf3+1, divsf3+2): Change type to frdiv.
2062         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
2063         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
2064
2065         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
2066         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
2067         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
2068         * config/mips/5000.md (r5k_fdiv_single): Likewise.
2069         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
2070         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
2071         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
2072         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
2073         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
2074         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
2075         Likewise.
2076         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
2077
2078 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
2079
2080         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
2081         get regression tester working again.
2082
2083 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
2084
2085         * insn-notes.def, reg-notes.def: New files.
2086         * rtl.h: Use them to define enum insn_note and enum reg_note.
2087         * rtl.c: Use them to define note_insn_name and reg_note_name.
2088         * Makefile.in (RTL_BASE_H): Update.
2089
2090         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
2091         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
2092
2093 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
2094
2095         * arm.c (arm_size_rtx_costs): New function.
2096         (arm_override_options): Use it if optimizing for space.
2097
2098 2004-08-18  Richard Henderson  <rth@redhat.com>
2099
2100         * emit-rtl.c (gen_const_mem): New.
2101         * rtl.h (gen_const_mem): Declare.
2102         * expr.c (do_tablejump): Use it.
2103         * varasm.c (force_const_mem): Likewise.
2104         * config/darwin.c (machopic_indirect_data_reference): Likewise.
2105         (machopic_legitimize_pic_address): Likewise.
2106         * config/arm/arm.c (legitimize_pic_address): Likewise.
2107         * config/i386/i386.c (legitimize_pic_address): Likewise.
2108         (legitimize_tls_address): Likewise.
2109         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
2110         * config/ia64/ia64.md (load_fptr): Likewise.
2111         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
2112         * config/pa/pa.c (legitimize_pic_address): Likewise.
2113         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
2114         (rs6000_emit_move): Likewise.
2115         * config/s390/s390.c (legitimize_pic_address): Likewise.
2116         (legitimize_tls_address): Likewise.
2117         * config/s390/s390.md (casesi): Likewise.
2118         * config/sh/sh.c (sh_reorg): Likewise.
2119         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
2120         * config/v850/v850.md (casesi): Likewise.
2121
2122         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
2123         * config/sh/sh.c (prepare_move_operands): Remove incorrect
2124         use of MEM_READONLY_P.
2125
2126 2004-08-18  Steven Bosscher  <stevenb@suse.de>
2127
2128         * Makefile.in (OBJS-common): Add postreload-gcse.c.
2129         Add new postreload-gcse.o.
2130         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
2131         (lookup_as_function, insert, rehash_using_reg, use_related_value,
2132         equiv_constant): Use SAFE_HASH instead of safe_hash.
2133         (exp_equiv_p): Export.  Add for_gcse argument when comparing
2134         for GCSE.
2135         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
2136         find_comparison_args, fold_rtx, cse_insn): Update callers.
2137         (hash_rtx): New function derived from old canon_hash and bits
2138         from gcse.c hash_expr_1.
2139         (canon_hash_string): Rename to hash_rtx_string.
2140         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
2141         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
2142         (cselib_lookup): Update this caller.
2143         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
2144         Make static.
2145         (hash_expr): Call hash_rtx.
2146         (ldst_entry): Likewise.
2147         (expr_equiv_p): Call exp_equiv_p.
2148         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
2149         reg_used_on_edge, reg_set_between_after_reload_p,
2150         reg_used_between_after_reload_p, get_avail_load_store_reg,
2151         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
2152         get_bb_avail_insn, hash_scan_set_after_reload,
2153         compute_hash_table_after_reload,
2154         eliminate_partially_redundant_loads, gcse_after_reload,
2155         get_bb_avail_insn, gcse_after_reload_main): Remove.
2156         * postreload-gcse.c: New file, reincarnating most of the above.
2157         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
2158         (gcse_after_reload_main): Update prototype.
2159         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
2160         * passes.c (rest_of_handle_gcse2): Use it.
2161
2162 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
2163
2164         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
2165         (pass_loop_done): Likewise.
2166
2167 2004-08-18  Andrew Pinski  <apinski@apple.com>
2168
2169         * config/rs6000/darwin.md: Delete the altivec patterns which are
2170         handled differently now.
2171         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
2172         (macho_correct_pic_di): Likewise.
2173         (call_indirect_nonlocal_darwin64): Likewise.
2174         Delete the save world/saveFP/saveVec patterns.
2175
2176         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
2177         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
2178         * config/rs6000/rs6000.md: Include darwin.md.
2179         (builtin_setjmp_receiver): Add DImode case.
2180         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
2181         Darwin bits.
2182
2183 2004-08-18  Matt Austern  <austern@apple.com>
2184
2185         Dead code stripping
2186         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
2187         * darwin.c (darwin_file_end): Mark file as potentially strippable.
2188
2189 2004-08-18  Richard Henderson  <rth@redhat.com>
2190
2191         * alias.c (readonly_fields_p): Remove.
2192         (objects_must_conflict_p): Don't call it.
2193         * tree.h (readonly_fields_p): Remove.
2194         * langhooks.h (struct lang_hooks): Remove honor_readonly.
2195         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
2196
2197 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
2198
2199         * tree-dfa.c (add_referenced_var): Only global variables are
2200         call-clobbered.
2201         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
2202         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
2203         all pointers dereferenced if the statement dereferences them.
2204         (create_name_tags): Do not create memory tags for pointers
2205         that have PT_ANYTHING set.
2206         Also check if PT_VARS is not empty before creating a name tag.
2207         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
2208         variables that share the same alias set with a pointer that
2209         may point anywhere.
2210         (add_may_alias): Add FIXME comment to remove clobbering
2211         aliased variables and tags.
2212         (replace_may_alias): Likewise.
2213         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
2214         (merge_pointed_to_info): If the original variable has not
2215         points-to information, call set_pt_anything.
2216         (add_pointed_to_var): Do not prevent adding a pointed-to
2217         variable if the pointers is PT_ANYTHING.
2218         If the variable is a global, set PT_GLOBAL_MEM.
2219         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
2220         pointer type only come in PTR+OFFSET flavours.
2221         Always call merge_pointed_to_info on PHI arguments that are
2222         SSA_NAMEs.
2223         (get_nmt_for): Mark call-clobbered tags whose pointer points
2224         to global memory.
2225         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
2226         values.
2227         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
2228         FLAGS.
2229         (add_stmt_operand): Abort if the caller tried to add a killing
2230         definition for a memory tag.
2231         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
2232         unnecessary checks.
2233
2234 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
2235
2236         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
2237         from call_used_regs.  Update call_really_used_regs.
2238         (CALL_REALLY_USED_REGISTERS): Define.
2239         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
2240         Replace call_used_regs with call_really_used_regs.
2241         (calc_live_regs, sh_media_register_for_return): Likewise.
2242         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
2243         * sh.md (return_media): Likewise.
2244
2245 2004-08-18  Andrew Pinski  <apinski@apple.com>
2246
2247         * config/darwin.c (machopic_legitimize_pic_address): Only set
2248         MEM_READONLY_P in the non TARGET_TOC case.
2249
2250 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
2251
2252         * rtl.def (NIL): Delete.
2253         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
2254         Tighten the syntax a little.
2255
2256         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
2257         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
2258         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
2259         * config/i386/predicates.md, config/m32r/m32r.h
2260         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
2261         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
2262         * config/sparc/sparc.h, doc/tm.texi:
2263         Replace all occurrences of NIL with UNKNOWN.
2264
2265 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
2266
2267         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
2268         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
2269         sequence inline.  Move drop_through_label code into this
2270         block, being the only place it is used.  Adjust comments.
2271
2272 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
2273
2274         * config/rs6000/altivec.md: Add new patterns for calls to
2275         save_world/rest_world functions.
2276
2277         * config/rs6000/rs6000-protos.h: (save_world_operation,
2278         restore_world_operation) new declarations.
2279
2280         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
2281         field added.
2282         (rs6000_stack_info): Set world_save_p field.
2283         (save_world_operation): New function.
2284         (restore_world_operation): New function.
2285         (compute_save_world_info): New function.
2286         (rs6000_stack_info): Call compute_save_world_info.
2287         (rs6000_emit_prologue): Check for world_save_p and generate
2288         pattern to call save_world for saving all non-volatile and
2289         special registers.
2290         (rs6000_emit_epilogue): Check for world_save_p and generate
2291         pattern to call rest_world to restore saved registers.
2292
2293         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
2294         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
2295         (rs6000_reg_names): New entries added for save_world_operation and
2296         restore_world_operation.
2297
2298 2004-08-18  Caroline Tice  <ctice@apple.com>
2299
2300         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
2301         "-freorder-blocks-and-partition" to the flags used in second
2302         stage of profiledbootstrap.
2303         * bb-reorder.c (push_to_next_round_p): Add new variable,
2304         next_round_is_last; set and use variable to make sure, when
2305         partitioning, that the last trace construction round consists
2306         of all (and only) cold basic blocks.
2307         (rotate_loop): Don't copy blocks that end in a section
2308         crossing jump.
2309         (copy_bb): Correctly initialize "partition" of duplicated bb.
2310         (add_unlikely_executed_notes): Add a comment.
2311         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
2312         to make sure, if function contains hot blocks, that the
2313         successors of ENTRY_BLOCK_PTR are hot; also, only look for
2314         crossing edges if the architecture supports named sections.
2315         (mark_bb_for_unlikely_executed_section): Modify to always
2316         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
2317         the basic block note insn.
2318         (fix_crossing_unconditional_branches): Remove extra space.
2319         (fix_edges_for_rarely_executed_code): Modify to only do
2320         partitioning work if the architecture supports named sections.
2321         (reorder_basic_blocks): Modify to only add
2322         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
2323         supports named sections.
2324         * c-common.c (handle_section_attribute): Initialize new global
2325         variable, user_defined_section_attribute, to true if user has
2326         specified one.
2327         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
2328         forward edges that cross section boundaries.
2329         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
2330         partitioning information if the architecture supports named
2331         sections.
2332         * cfgrtl.c (target.h): Add statement to include this.
2333         (rtl_split_block): Make sure newly created bb gets correct
2334         partition.
2335         (try_redirect_by_replacing_jump): Make sure redirection isn't
2336         attempting to cross section boundaries.
2337         (force_nonfallthru_and_redirect): Only do partition fix up if
2338         architecture supports named sections.
2339         (rtl_split_edge): Make sure newly created bb ends up in
2340         correct partition.
2341         (commit_one_edge_insertion): Remove code that incorrectly
2342         updated basic block partition; Make sure partition fix up only
2343         happens if architecture supports named sections and it's not
2344         already done.
2345         (rtl_verify_flow_info_1): Fix if-condition on test/error
2346         condition that fallthru edges are not allowed to cross section
2347         boundaries.
2348         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
2349         * final.c (final_scan_insn): Remove redundant test from if-statement;
2350         change calls to text_section into calls to function_section; add code
2351         to only to partitioning fix up if architecture supports named
2352         sections.
2353         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
2354         partition.
2355         (if_convert): Add targetm.have_named_sections to test.
2356         * output.h (unlikely_section_label): Extern declaration for new global
2357         variable.
2358         (unlikely_text_section_name): Likewise.
2359         * opts.c (decode_options): If both partitioning and DWARF debugging
2360         are turned on, issue a warning that this doesn't work, and change
2361         partitiong to basic block reordering (without hot/cold partitions).
2362         * passes.c (rest_of_handle_final): Re-set new global variable,
2363         user_defined_section_attribute, to false.
2364         (rest_of_compilation): Change options for calling partitioning
2365         function: Don't call if the user defined the section attribute, and
2366         don't call if DECL_ONE_ONLY is true for the current function.
2367         * predict.c (choose_function_section): Return immediately if we
2368         are doing hot/cold partitioning (i.e. let the basic block partitioning
2369         determine where the function belongs).
2370         * reg-stack.c (emit_swap_insn): Add condition to step over
2371         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
2372         * toplev.c (user_defined_section_attribute): New global variable.
2373         * toplev.h (user_defined_section_attribute): Extern declaration
2374         for new global variable.
2375         * varasm.c (unlikely_section_label): New global variable.
2376         (unlikely_text_section_name): New global variable.
2377         (unlikely_text_section): Add code to initialize
2378         unlikely_text_section_name if necessary; modify to use
2379         unlikely_text_section_name and unlikely_section_label; also to use
2380         named_section properly.
2381         (in_unlikely_text_section):  Modify to work correctly with
2382         named_section and to use unlikely_text_section_name.
2383         (named_section):  Add code to work properly with cold section.
2384         (function_section): Clean up if-statement.
2385         * config/darwin.c (darwin_asm_named_section): Return to original
2386         code, removing use of SECTION_FORMAT_STRING.
2387         * config/arm/pe.h (switch_to_section):  Add case for
2388         in_unlikely_executed_text to switch statement.
2389         * config/i386/cygming.h (switch_to_section): Likewise.
2390         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
2391         (SECTION_FORMAT_STRING): Likewise.
2392         * config/mcore/mcore.h (switch_to_section): Likewise.
2393         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
2394         (SECTION_FORMAT_STRING): Remove.
2395
2396 2004-08-18  Roger Sayle  <roger@eyesopen.com>
2397
2398         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
2399         -ffixed-reg safe, by preserving the meanings of zero and one.
2400         (CALL_USED_REGISTERS): Likewise.
2401         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
2402
2403 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
2404
2405         * config/sh/sh.c (split_branches): Check the result of
2406         next_active_insn.
2407         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
2408         Call rtl_register_cfg_hooks.
2409
2410 2004-08-18  Richard Henderson  <rth@redhat.com>
2411
2412         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
2413         * alias.c (true_dependence): Update to match new semantics.
2414         (canon_true_dependence, write_dependence_p): Likewise.
2415         (anti_dependence, output_dependence): Update write_dependence_p args.
2416         (unchanging_anti_dependence): Remove.
2417         * calls.c (purge_mem_unchanging_flag): Remove.
2418         (fixup_tail_calls): Don't call it.
2419         (expand_call): Don't add unchanging memory to function usage.
2420         * expr.c (emit_block_move_via_libcall): Likewise.
2421         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
2422         (get_subtarget): Don't use RTX_UNCHANGING_P.
2423         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
2424         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
2425         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
2426         * cse.c (insert): Don't use RTX_UNCHANGING_P.
2427         (cse_insn, canon_hash): Use MEM_READONLY_P.
2428         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
2429         instead of RTX_UNCHANGING_P.
2430         * explow.c (maybe_set_unchanging): Remove.
2431         * expr.h (maybe_set_unchanging): Remove.
2432         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
2433         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
2434         (assign_parm_setup_reg, expand_function_start): Likewise.
2435         * integrate.c (copy_rtx_and_substitute): Likewise.
2436         * ra-rewrite.c (emit_colors): Likewise.
2437         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
2438         (fixup_match_1): Likewise.
2439         * reload1.c (reload, alter_reg): Likewise.
2440         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
2441         not RTX_UNCHANGING_P.
2442         (equiv_init_varies_p): Likewise.
2443         * loop-invariant.c (check_maybe_invariant): Likewise.
2444         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
2445         * loop.c (note_addr_stored): Likewise.
2446         (prescan_loop): Likewise. Don't check function usage for clobbered
2447         unchanging memory.
2448         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
2449         not RTX_UNCHANGING_P.
2450         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
2451         * varasm.c (force_const_mem): Likewise.
2452         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
2453         * web.c (entry_register): Likewise.
2454         * tree-gimple.h (get_base_address): Move decl ...
2455         * tree.h: ... here.
2456         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
2457
2458         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
2459         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
2460         (alpha_set_memflags): Update to match.
2461
2462         * config/darwin.c (machopic_indirect_data_reference): Set
2463         MEM_READONLY_P instead of RTX_UNCHANGING_P.
2464         (machopic_indirect_call_target): Likewise.
2465         (machopic_legitimize_pic_address): Likewise.
2466         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
2467         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
2468         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
2469         * config/frv/frv.md (symGOT2reg): Likewise.
2470         * config/i386/i386.c (legitimize_pic_address,
2471         legitimize_tls_address, ix86_split_to_parts): Likewise.
2472         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
2473         * config/ia64/ia64.md (load_fptr): Likewise.
2474         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
2475         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
2476         * config/mcore/mcore.c (block_move_sequence): Likewise.
2477         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
2478         * config/pa/pa.c (legitimize_pic_address): Likewise.
2479         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
2480         (rs6000_emit_move): Likewise.
2481         * config/s390/s390.c (legitimize_pic_address): Likewise.
2482         (legitimize_tls_address): Likewise.
2483         * config/s390/s390.md (casesi): Likewise.
2484         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
2485         * config/sh/sh.md (symGOT2reg): Likewise.
2486         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
2487         * config/v850/v850.md (casesi): Likewise.
2488
2489         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
2490         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
2491         * config/mips/mips.c (mips_restore_gp): Likewise.
2492         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
2493         * config/sh/sh.c (sh_reorg): Likewise.
2494
2495 2004-08-18  Richard Henderson  <rth@redhat.com>
2496
2497         * tree.h (struct tree_decl): Add gimple_formal_temp.
2498         (DECL_GIMPLE_FORMAL_TEMP_P): New.
2499         * gimplify.c (pop_gimplify_context): Clear it.
2500         (lookup_tmp_var): Set it, if is_formal.
2501         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
2502         Use is_gimple_val for VECTOR.  Simplify return value.
2503         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
2504         (gimplify_expr): Likewise.
2505         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
2506         is_gimple_tmp_rhs for clarity.  Update all callers.
2507         (is_gimple_reg_rhs): Simplify logic.
2508         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
2509         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
2510         (is_gimple_formal_tmp_reg): Similarly.
2511         * tree-gimple.h: Update decls.
2512         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
2513         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
2514         * tree-ssa-live.c (var_union, type_var_init): Likewise.
2515
2516 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
2517
2518         * c4x.c (legitimize_operands): Remove calls to
2519         preserve_subexpressions_p.
2520
2521 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
2522
2523         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
2524         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
2525
2526 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
2527
2528         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
2529         Objective-C++ extensions.
2530         * gengtype.c (get_file_basename): Match entire subdirectory name
2531         ('cp', 'objc', 'objcp') rather than just its suffix.
2532         (get_base_file_bitmap): Allow for files to belong to more than one
2533         language.
2534         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
2535         used by more than one front-end.
2536
2537 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
2538
2539         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
2540         avoid use of preserve_subexpressions_p.
2541
2542 2004-08-17  Richard Henderson  <rth@redhat.com>
2543
2544         PR 17051
2545         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
2546
2547 2004-08-17  DJ Delorie  <dj@redhat.com>
2548
2549         * doc/extend.texi: Document new xstormy16 attribute.
2550
2551         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
2552         (xstormy16_splittable_below100_or_register): New.
2553         (combine_bnp): New.
2554         (xstormy16_reorg): New.
2555         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2556
2557         * config/stormy16/stormy16.md (movqi_internal): Make name public.
2558         (movhi_internal): Likewise.
2559         (cbhranchhi): Likewise.
2560         (cbhranchhi_neg): Likewise.
2561         (andhi3): Only allow splittable below100 operands.
2562         (iorhi3): Likewise.
2563         (peephole2): New and/zero_extend->and peephole.
2564         (peephole2): New load/ior/save->set1 peephole.
2565         (peephole2): New load/and/save->clr1 peephole.
2566         (bclrx, bclrx2, bclr7, bclr15): New.
2567         (bsetx, bsetx2, bset7, bset15): New.
2568
2569         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
2570         liberal about acceptable 'B' masks.
2571
2572         * config/stormy16/stormy16-protos.h
2573         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
2574         xstormy16_below100_operand, xstormy16_below100_or_register,
2575         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
2576         (PREDICATE_CODES): Add new predicates.
2577
2578         * config/stormy16/stormy16.c
2579         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
2580         xstormy16_below100_operand, xstormy16_below100_or_register,
2581         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
2582         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
2583         (xstormy16_legitimate_address_p): Allow below100 symbols.
2584         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
2585         (xstormy16_expand_move): Leave below100 operands as-is.
2586         (xstormy16_encode_section_info): Encode below100 symbols.
2587         (xstormy16_strip_name_encoding): New.
2588         (xstormy16_print_operand): Print 'b' as shift mask.
2589         (xstormy16_attribute_table): Add below100 attributes.
2590         (xstormy16_handle_below100_attribute): New.
2591
2592         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
2593         (XSTORMY16_SECTION_FUNCTION): New.
2594         (EXTRA_SECTION_FUNCTIONS): Define using the above.
2595         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
2596         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
2597         (ASM_OUTPUT_LABELREF): Define.
2598
2599         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
2600         (movhi_internal): Add below100 support.
2601         (andhi3): Add below100 support.
2602         (iorhi3): Add below100 support.
2603         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
2604
2605 2004-08-17  James E Wilson  <wilson@specifixinc.com>
2606
2607         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
2608         of VOIDmode for comparison code mode.
2609         * config/mips/mips.md: For conditional move patterns, use mode of
2610         first compare operand for comparison mode, instead of VOIDmode.
2611
2612         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
2613         normal and -ffast-math code.
2614
2615 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
2616
2617         PR c++/15871
2618         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
2619
2620 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
2621
2622         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
2623
2624 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
2625
2626         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
2627         for non Darwin targets.
2628         (*call_value_nonlocal_darwin64): Likewise.
2629
2630 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
2631
2632         * config/rs6000/rs6000.c (rs6000_function_value): Check for
2633         altivec mode for altivec return register.
2634
2635 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
2636
2637         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
2638         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
2639         * config/rs6000/rs6000.md: Include darwin.md.
2640         (builtin_setjmp_receiver): Add DImode case.
2641         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
2642         Darwin bits.
2643
2644 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
2645
2646         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
2647         trees.
2648         * tree-vectorizer.h: New File: Same.
2649         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
2650         * common.opt (ftree-vectorize): New flag to enable vectorization.
2651         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
2652         vectorization pass.
2653         * tree-data-ref.h (init_data_ref): Additional argument.
2654         (array_base_name_differ_p): Moved to tree-data-ref.c.
2655         * tree-data-ref.c (array_base_name_differ_p): Revised.
2656         (initialize_data_dependence_relation): Call array_base_name_differ_p
2657         with an extra argument.
2658         (analyze_all_data_dependences): Same.
2659         (init_data_ref): Additional argument is_read to set DR_IS_READ.
2660         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
2661         file.
2662         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
2663         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
2664         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
2665         vectorization pass.
2666         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
2667         (tree_ssa_loop_done): Call scev_finalize.
2668         (tree_vectorize): Define the new vectorization pass.
2669         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
2670         size of the vector they support (until support for multiple vector
2671         sizes is added to the vectorizer).
2672         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
2673         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
2674         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
2675         documentation.
2676
2677 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
2678
2679         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
2680         usage.
2681         (generate_protocol_list, handle_impent): Likewise.
2682
2683 2004-08-17  Roger Sayle  <roger@eyesopen.com>
2684
2685         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
2686         ensure that call_used_regs is a superset of both fixed_regs and
2687         call_really_used_regs.
2688
2689 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
2690
2691         PR target/17019
2692         * arm.md (addsi3_cbranch_scratch): Correct case labels.
2693
2694 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
2695
2696         PR middle-end/17036
2697         * fold-const.c (fold): Check for integer operand when
2698         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
2699         Pinski  <pinskia@physics.uc.edu>.
2700
2701 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
2702
2703         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
2704         No need to check if in a cross configuration.
2705         * configure: Regenerate.
2706
2707         * calls.c (precompute_register_parameters):
2708         Inline preserve_subexpressions_p ().
2709         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
2710         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
2711         Likewise.
2712         * expr.c (get_subtarget): Likewise.
2713         * rtl.h (preserve_subexpressions_p): Remove.
2714         * stmt.c (preserve_subexpressions_p): Remove.
2715
2716         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
2717         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
2718         Abort on gimplified cases.
2719
2720 2004-08-16  James E Wilson  <wilson@specifixinc.com>
2721
2722         * tree.h (VECTOR_FLOAT_TYPE_P): New.
2723         (FLOAT_TYPE_P): Use it.
2724         * c-typeck.c (build_binary_op): After convert calls, check for
2725         check for ERROR_MARK operands.
2726
2727 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
2728
2729         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
2730         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
2731         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
2732         (genobjs static pattern rule): Remove %.c dependency.
2733         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
2734         Rename rules; delete commands; fix dependencies.
2735         (mostlyclean): Do not delete temporary source copies.
2736         * configure.ac: Delete all references to BUILD_PREFIX and
2737         BUILD_PREFIX_1.
2738         * configure: Regenerate.
2739
2740         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
2741         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
2742         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
2743         with #ifndef GENERATOR_FILE so that nothing from those headers
2744         is used.
2745
2746         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
2747
2748 2004-08-16  Adam Nemet  <anemet@lnxw.com>
2749
2750         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
2751
2752 2004-08-16  Andrew Pinski  <apinski@apple.com>
2753
2754         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
2755         extraneous semicolon.
2756
2757 2004-08-16  Devang Patel  <dpatel@apple.com>
2758
2759         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
2760         * print-tree.c (print_node): Print DECL_PRESERVE_P.
2761         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
2762         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
2763         * target.h (struct gcc_target): New member, mark_decl_preserved.
2764         * hooks.c (hook_void_charptr): Rename to ...
2765         (hook_void_constcharptr): ... new name.
2766         * hooks.h (hook_void_charptr): Rename to ..
2767         (hook_void_constcharptr): ... new name.
2768         * tree.h (DECL_PRESERVE_P): New #define.
2769         (struct tree_decl): New member, preserve_flag.
2770         * varasm.c (assemble_start_function): Mark decl preserved.
2771         (assemble_variable): Same.
2772         * darwin.c (darwin_mark_decl_preserved): New function.
2773         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
2774         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
2775         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
2776
2777 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
2778
2779         * c-decl.c (grokdeclarator): Allow for function definition where
2780         innermost declarator has attributes.
2781
2782 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
2783
2784         * except.c (get_exception_filter, build_post_landing_pads,
2785         dw2_build_landing_pads): Use target-specific mode for 'filter'.
2786         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
2787         * target.h (eh_return_filter_mode): New field added.
2788         * targhooks.c (default_eh_return_filter_mode): Defined.
2789         * targhooks.h (default_eh_return_filter_mode): Declared.
2790         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
2791
2792 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
2793
2794         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
2795         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
2796         * configure: Regenerate.
2797
2798 2004-08-16  Stan Shebs  <shebs@apple.com>
2799
2800         Basic support for 64-bit Darwin.
2801         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
2802         (machopic_legitimize_pic_address): Similarly, plus use Pmode
2803         instead of SImode.
2804         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
2805         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
2806         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
2807         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
2808         (PROCESSOR_DEFAULT64): Define.
2809         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
2810         Darwin.
2811         * config/rs6000/rs6000.md: Include darwin.md.
2812         (builtin_setjmp_receiver): Add DImode case.
2813         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
2814         Darwin.
2815         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
2816         (rs6000_emit_move): Add DImode case to Darwin bits.
2817         (machopic_output_stub): Use .quad if 64-bit.
2818         * invoke.texi: Document -m32 and -m64.
2819
2820 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
2821
2822         * doc/extend.texi (AltiVec builtins): Document additional differences
2823         from the Motorola AltiVec PIM.
2824
2825 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
2826
2827         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
2828         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
2829         (struct tree_common): Update public_flag documentation.
2830
2831 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
2832
2833         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
2834         Check for artificial variables, not is_gimple_tmp_var.
2835         * tree-ssa-live.c (var_union): Likewise.
2836
2837 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
2838
2839         * calls.c (load_register_parameters): Remove spurious FIXME token.
2840
2841 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
2842
2843         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
2844         (c-lang.o): Depend on c-objc-common.h.
2845         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
2846         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
2847         * c-lang.c: Include c-objc-common.h.
2848         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
2849         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
2850         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
2851         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
2852         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
2853         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
2854         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
2855         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
2856         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
2857         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
2858         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
2859         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
2860         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
2861         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
2862         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
2863         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2864         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
2865         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
2866         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
2867         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
2868         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
2869         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
2870         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
2871         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
2872         Move to c-objc-common.h.
2873         * c-objc-common.c: Include c-objc-common.h.
2874         * c-objc-common.h: New file.
2875
2876 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
2877             Andrew Pinski  <pinskia@physics.uc.edu>
2878
2879         PR target/14931
2880         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
2881         style.
2882
2883 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
2884
2885         * tree.h (build_int_cst): New.
2886         (build_int_2): Remove.
2887         * tree.c (build_int_2): Remove.
2888         (build_int_cst): New.
2889         (make_vector_type, build_common_tree_nodes,
2890         build_common_tree_nodes_2): Use build_int_cst.
2891         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
2892         expand_builtin_strpbrk, expand_builtin_fputs,
2893         build_string_literal, expand_builtin_printf,
2894         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
2895         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
2896         fold_builtin_isdigit, simplify_builtin_strstr,
2897         simplify_builtin_strpbrk, fold_builtin_fputs,
2898         simplify_builtin_sprintf): Use build_int_cst.
2899         * c-common.c (start_fname_decls, fix_string_type,
2900         c_common_nodes_and_builtins, c_init_attributes,
2901         shorten_compare): Likewise.
2902         * c-decl.c (complete_array_type,
2903         check_bitfield_type_and_width): Likewise.
2904         * c-lex.c (interpret_integer, lex_charconst): Likewise.
2905         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
2906         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2907         * c-typeck.c (really_start_incremental_init, push_init_level,
2908         set_nonincremental_init_from_string): Likewise.
2909         * calls.c (load_register_parameters): Likewise.
2910         * convert.c (convert_to_pointer): Likewise.
2911         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
2912         build_fn_info_type, build_ctr_info_value, build_gcov_info):
2913         Likewise.
2914         * except.c (init_eh, assign_filter_values, assign_filter_values):
2915         Likewise.
2916         * expmed.c (store_fixed_bit_field, extract_bit_field,
2917         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
2918         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
2919         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
2920         * expr.c (convert_move, emit_group_load, emit_group_store,
2921         expand_assignment, store_constructor, store_field,
2922         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
2923         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
2924         invert_truthvalue, optimize_bit_field_compare,
2925         decode_field_reference, all_ones_mask_p, constant_boolean_node,
2926         fold_div_compare, fold, fold_read_from_constant_string,
2927         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
2928         * function.c (assign_parm_setup_block): Likewise.
2929         * stmt.c (shift_return_value, expand_end_case_type,
2930         estimate_case_costs): Likewise.
2931         * stor-layout.c (layout_type, initialize_sizetypes,
2932         set_min_and_max_values_for_integral_type): Likewise.
2933         * tree-chrec.c (chrec_fold_multiply_poly_poly,
2934         reset_evolution_in_loop): Likewise.
2935         * tree-chrec.h (build_polynomial_chrec): Likewise.
2936         * tree-complex.c (build_replicated_const): Likewise.
2937         * tree-eh.c (honor_protect_cleanup_actions,
2938         lower_try_finally_onedest, lower_try_finally_copy,
2939         lower_try_finally_switch): Likewise.
2940         * tree-mudflap.c (mf_build_string, mx_register_decls,
2941         mudflap_register_call, mudflap_enqueue_constant): Likewise.
2942         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
2943         * tree-pretty-print.c (dump_generic_node): Likewise.
2944         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
2945         Likewise.
2946         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
2947         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2948         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
2949         Likewise.
2950
2951         * config/alpha/alpha.c (alpha_initialize_trampoline,
2952         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
2953         * config/arm/arm.c (arm_get_cookie_size): Likewise.
2954         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2955         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2956         * config/i860/i860.c (i860_va_start): Likewise.
2957         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2958         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
2959         mips_gimplify_va_arg_expr): Likewise.
2960         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2961         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
2962         add_compiler_branch_island): Likewise.
2963         * config/s390/s390.c (s390_va_start): Likewise.
2964         * config/sh/sh.c (sh_va_start): Likewise.
2965         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2966         Likewise.
2967         * config/xtensa/xtensa.c (xtensa_va_start,
2968         xtensa_gimplify_va_arg_expr): Likewise.
2969
2970         * objc/objc-act.c (build_objc_string_object,
2971         build_objc_symtab_template, init_def_list, init_objc_symtab,
2972         init_module_descriptor, generate_static_references,
2973         build_selector_translation_table, get_proto_encoding,
2974         build_typed_selector_reference, build_selector_reference,
2975         build_next_objc_exception_stuff,
2976         build_method_prototype_list_template, generate_descriptor_table,
2977         generate_protocols, build_protocol_initializer,
2978         build_ivar_list_template, build_method_list_template,
2979         build_ivar_list_initializer, generate_ivars_list,
2980         generate_dispatch_table, generate_protocol_list,
2981         build_category_initializer, build_shared_structure_initializer,
2982         generate_shared_structures, handle_impent,
2983         generate_objc_image_info): Use build_int_cst.
2984
2985 2004-08-15  Ben Elliston  <bje@au.ibm.com>
2986
2987         * vec.h: Comment improvements.
2988
2989 2004-08-14  Roger Sayle  <roger@eyesopen.com>
2990
2991         * c-common.c (shorten_compare, pointer_int_sum,
2992         c_common_truthvalue_conversion, boolean_increment): Replace calls
2993         to build with calls to buildN.
2994         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
2995         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
2996         gimplify_switch_stmt): Likewise.
2997         * c-typeck.c (default_function_array_conversion,
2998         build_component_ref, build_array_ref, build_function_call,
2999         pointer_diff, build_unary_op, build_conditional_expr,
3000         build_compound_expr, build_modify_expr, c_finish_goto_label,
3001         c_finish_goto_ptr, c_finish_return, c_finish_loop,
3002         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
3003         build_binary_op): Likewise.
3004
3005 2004-08-15  Steven Bosscher  <stevenb@suse.de>
3006
3007         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
3008
3009 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3010
3011         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
3012         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
3013         * fixinc/fixincl.x: Rebuilt.
3014
3015 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
3016
3017         * config/mips/mips-protos.h (mips_symbolic_constant_p)
3018         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
3019         (mips_small_data_pattern_p): Declare.
3020         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
3021         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
3022         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
3023         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
3024         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
3025         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
3026         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
3027         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
3028         (pc_or_label_operand, call_insn_operand, move_operand)
3029         (consttable_operand, symbolic_operand, general_symbolic_operand)
3030         (global_got_operand, local_got_operand, stack_operand)
3031         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
3032         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
3033         (mips_small_data_pattern_p): Replace previous small_data_pattern
3034         predicate.  Turn into a bool () (rtx) function.
3035         * config/mips/predicates.md: New file.
3036         * config/mips/mips.md: Include it.  Use the target-independent
3037         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
3038         trap_comparison_operator and equality_op to equality_operator.
3039         Replace uses of small_int with the equivalent const_arith_operand.
3040         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
3041         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
3042         to fcc_reload_operand.
3043         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
3044
3045 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3046
3047         PR libstdc++/17005 partial fix.
3048         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
3049         except when generating ANSI/C89 code.
3050
3051 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
3052
3053         * c-common.c (shorten_compare): Use force_fit_type directly.
3054
3055 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
3056             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
3057             Dave Korn  <dk@artimi.com>
3058
3059         * doc/install.texi (Building): Avoid duplicate reference to GNU
3060         make requirement.
3061         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
3062
3063 2004-08-14  Richard Henderson  <rth@redhat.com>
3064
3065         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
3066         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
3067
3068 2004-08-13  Richard Henderson  <rth@redhat.com>
3069
3070         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
3071         for constant_call_address_operand.
3072         (call_value_pop_1, call_value_1): Likewise.
3073         (sibcall_value_1, call_value_1_rex64): Likewise.
3074
3075 2004-08-13  James E Wilson  <wilson@specifixinc.com>
3076
3077         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
3078         Correct mode from SFmode to DFmode.
3079
3080 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
3081
3082         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
3083         __cstring_object and __image_info sections with the no_dead_strip
3084         attribute.
3085
3086 2004-08-13  Roger Sayle  <roger@eyesopen.com>
3087             David Billinghurst  <David.Billinghurst@riotinto.com>
3088
3089         PR libgfortran/15930
3090         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
3091         * fixinc/fixincl.x: Regenerate.
3092         * fixinc/tests/base/internal/math_core.h: New file.
3093
3094 2004-08-13  Richard Henderson  <rth@redhat.com>
3095
3096         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
3097         (dbxout_function_end): Remove ifdefs for it.
3098         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
3099
3100 2004-08-13  Richard Henderson  <rth@redhat.com>
3101
3102         * Makefile.in (insn-preds.o): Depend on TREE_H.
3103         * genpreds.c (write_insn_preds_c): Include tree.h.
3104         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
3105         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
3106         const48_operand, and_operand, or_operand, mode_width_operand,
3107         mode_mask_operand, mul8_operand, const0_operand,
3108         hard_fp_register_operand, hard_int_register_operand,
3109         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
3110         samegp_function_operand, direct_call_operand, small_symbolic_operand,
3111         global_symbolic_operand, call_operand, symbolic_operand,
3112         dtp16_symbolic_operand, dtp32_symbolic_operand,
3113         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
3114         gottp_symbolic_operand, alpha_comparison_operator,
3115         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
3116         signed_comparison_operator, alpha_fp_comparison_operator,
3117         divmod_operator, fix_operator, aligned_memory_operand,
3118         unaligned_memory_operand, reg_or_unaligned_mem_operand,
3119         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
3120         reg_no_subreg_operand, addition_operation): Move to predicates.md.
3121         (reg_or_const_int_operand): Remove.  Replace all users with
3122         reg_or_cint_operand.
3123         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
3124         (resolve_reload_operand): Split out of aligned_memory_operand.
3125         * config/alpha/alpha-protos.h: Update for exports.
3126         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
3127         * config/alpha/alpha.md: Include predicates.md.
3128         * config/alpha/predicates.md: New file.
3129
3130 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
3131
3132         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
3133         fields with a pointer to the instruction definition.
3134         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
3135         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
3136         (write_attr_case, write_const_num_delay_slots): Update accordingly.
3137         (write_attr_case, write_const_num_delay_slots): Write the name of
3138         an insn next to its case statement.
3139         * genoutput.c (data): Add a filename field.
3140         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
3141         (output_insn_data): Print the location of each insn definition.
3142         * genrecog.c (write_action): Print the name of an insn above
3143         the statement that returns its code.
3144
3145 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
3146
3147         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
3148         * config/libgloss.h: Likewise.
3149         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
3150         * c4x/c4x-modes.def: Likewise.
3151         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
3152         (c4x_rptb_nop_p): Likewise.
3153         (c4x_rptb_valid_p): Likewise.
3154         (c4x_rptb_insert): Likewise.
3155         (c4x_address_conflict): Likewise.
3156         * config/c4x/c4x.md: Likewise.
3157         * config/frv/frv.md: Likewise.
3158         * config/i386/athlon.md: Likewise.
3159         * config/i386/i386.md: Likewise.
3160         * config/i386/predicates.md: Likewise.
3161         * config/ia64/ia64.c: Likewise.
3162         * config/ia64/itanium1.md: Likewise.
3163         * config/ia64/itanium2.md: Likewise.
3164         * config/iq2000/iq2000.md: Likewise.
3165         * config/mcore/mcore.c: Likewise.
3166         * config/mips/mips.c: Likewise.
3167         * config/mips/r3900.h: Likewise.
3168         * config/mips/sb1.md: Likewise.
3169         * config/pa/milli64.S: Likewise.
3170         * config/pa/pa.c: Likewise.
3171         * config/pa/pa.h: Likewise.
3172         * config/rs6000/8540.md: Likewise.
3173
3174 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
3175
3176         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
3177
3178 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
3179
3180         * sh.md (cbranch define_delay) Use cond_delay_slot for
3181         non-anulled condition too.
3182
3183 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
3184
3185         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
3186         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
3187         any_parallel_operand, lmw_operation, stmw_operation,
3188         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
3189         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
3190         any_parallel_operand.
3191         (return_and_restore_fpregs_{si,di}): Same.
3192
3193 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
3194
3195         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
3196         if pred->singleton != PARALLEL, issue a warning and pretend it was.
3197         Also issue a warning for any predicate we don't know about.
3198
3199 2004-08-12  Richard Henderson  <rth@redhat.com>
3200
3201         * config/i386/i386.c (internal_label_prefix): Export.
3202         (internal_label_prefix_len, struct ix86_address,
3203         ix86_decompose_address, maybe_get_pool_constant,
3204         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
3205         memory_address_length): Export.
3206         (any_fp_register_operand, fp_register_operand,
3207         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
3208         x86_64_general_operand, x86_64_szext_general_operand,
3209         x86_64_nonmemory_operand, x86_64_movabs_operand,
3210         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
3211         x86_64_zext_immediate_operand, const_int_1_31_operand,
3212         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
3213         tls_symbolic_operand, global_dynamic_symbolic_operand,
3214         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
3215         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
3216         constant_call_address_operand, const0_operand, const1_operand,
3217         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
3218         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
3219         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
3220         general_no_elim_operand, nonmemory_no_elim_operand,
3221         index_register_operand, q_regs_operand, flags_reg_operand,
3222         non_q_regs_operand, zero_extended_scalar_load_operand,
3223         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
3224         ix86_comparison_operator, ix86_carry_flag_operator,
3225         fcmov_comparison_operator, promotable_binary_operator,
3226         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
3227         mult_operator, div_operator, arith_or_logical_operator,
3228         memory_displacement_operand, cmpsi_operand, long_memory_operand,
3229         aligned_operand): Move to predicates.md as define_predicates.
3230         (tls_symbolic_operand_1): Remove.
3231         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
3232         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
3233         (legitimize_address): Merge tls_symbolic_operand contents.
3234         (ix86_expand_move): Likewise.
3235         * config/i386/i386-protos.h: Update for exports.
3236         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
3237         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
3238         * config/i386/i386.md: Include predicates.md.
3239         * config/i386/predicates.md: New file.
3240
3241 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
3242
3243         PR c++/16924
3244         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
3245         SYMBOL_REF_DECL.
3246         (i386_pe_mark_dllimport): Likewise.
3247         (i386_pe_encode_section_info): Likewise, when overriding
3248         dllimport attribute.
3249
3250 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
3251
3252         * configure.ac: When testing for flex, nm, ar, and bison, check
3253         that they will actually be built.
3254         * configure: Regenerate.
3255
3256 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
3257
3258         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
3259         (MOVE_MAX_PIECES): Define.
3260
3261 2004-08-12  Devang patel  <dpatel@apple.com>
3262
3263         * dbxout.c (dbxout_begin_prologue): New function.
3264         (dbx_debug_hooks): Use new begin prologue hook.
3265         (dbxout_function_end): Emit N_ENSYM.
3266         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
3267
3268 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
3269
3270         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
3271         argument is float*.
3272
3273         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
3274         for vec_dss.
3275
3276         * doc/extend.texi (AltiVec builtins): Fix description for recent
3277         changes.  Update operation list to match current support.
3278
3279 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3280
3281         * config/s390/s390.c (struct s390_frame_layout): New struct as element
3282         of struct machine_function.
3283         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
3284         changed all uses.
3285         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
3286         changed all uses.
3287         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
3288         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
3289         (s390_frame_area, s390_register_info): New functions.
3290         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
3291         for base register.
3292         (s390_return_addr_rtx, s390_return_address_offset)
3293         (s390_va_start, s390_gimplify_va_arg)
3294         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
3295         layouts.
3296         (s390_frame_info): Functionality partly moved to s390_register_info.
3297         Made adaptions for new stack layout.
3298         (save_gprs, restore_gprs): Changed meaning of second parameter and
3299         adapted all callers.
3300
3301         * config/s390/s390.h (s390_backchain_string): New global variable.
3302         (MASK_BACKCHAIN): Removed definition.
3303         (TARGET_BACKCHAIN): Changed check.
3304         (TARGET_KERNEL_BACKCHAIN): New macro.
3305         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
3306         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
3307         "kernel-backchain".
3308         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
3309
3310         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
3311         as condition.  Adjusted for new stack layout.
3312
3313         * doc/invoke.texi: Added documentation for new option
3314         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
3315         "-mno-backchain".
3316
3317 2004-08-12  Paul Brook  <paul@codesourcery.com>
3318
3319         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
3320         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
3321
3322 2004-08-12  David Daney  <ddaney@avtrex.com>
3323
3324         * java/gcj.texi:  Add subsection on signal usage.
3325
3326 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
3327
3328         * expr.c (move_by_pieces): Set alignment for move to minimum of
3329         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
3330         alignment, but not less than the original alignment.
3331         (move_by_pieces_ninsns): Same.
3332         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
3333         (store_by_pieces_1): Same.
3334
3335 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
3336
3337         PR tree-optimization/16867
3338         * tree.c (is_global_var): New function.
3339         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
3340         Call is_global_var.
3341         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
3342         Update all users.
3343         (is_global_var): Declare.
3344         * tree-dfa.c (dump_variable): Display global and addressable
3345         attributes.
3346         (add_referenced_var): Clarify documentation when marking
3347         variables call-clobbered.
3348         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
3349         instead of needs_to_live_in_memory.
3350         (mark_call_clobbered): If the variable is a tag, mark it
3351         DECL_EXTERNAL.
3352         * tree-gimple.c (is_gimple_reg): Don't check for
3353         TREE_ADDRESSABLE.
3354         (is_gimple_non_addressable): Likewise.
3355         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
3356         needs to be marked call-clobbered.
3357         (setup_pointers_and_addressables): Call is_global_var instead
3358         of needs_to_live_in_memory.
3359         * tree-ssa-dce.c (need_to_preserve_store): Remove.
3360         Update all users with is_global_var.
3361         (mark_stmt_if_obviously_necessary): Fix processing of aliased
3362         stores.  Don't check the virtual definitions.  Rather, check
3363         whether the store is going into global memory.
3364         (find_obviously_necessary_stmts): Get the symbol from the PHI
3365         result.
3366         * tree-ssa-operands.c (get_call_expr_operands): Do not add
3367         clobbering may-defs if the call does not have side effects.
3368
3369 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
3370
3371         PR c++/16276
3372         * output.h (default_function_rodata_section,
3373         default_no_function_rodata_section): New prototypes.
3374         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
3375         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
3376         (TARGET_ASM_OUT): Add it.
3377         * varasm.c (default_function_rodata_section,
3378         default_no_function_rodata_section): New functions.
3379         * final.c (final_scan_insn): Call
3380         targetm.asm_out.function_rodata_section instead of
3381         readonly_data_section.
3382         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
3383         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3384         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3385         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3386         Likewise.
3387         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3388         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3389         Likewise.
3390         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3391         Likewise.
3392         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3393         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3394         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
3395
3396 2004-08-12  Paul Brook  <paul@codesourcery.com>
3397
3398         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
3399         frame info.
3400         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
3401         DWARF2_UNWIND_INFO.
3402
3403 2004-08-12  Ben Elliston  <bje@au.ibm.com>
3404
3405         PR target/16286
3406         * config/rs6000/altivec.h: Change vector to __vector throughout.
3407         (Except for the `vector' macro itself).
3408
3409 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
3410
3411         * genpreds.c: Add capability to generate predicate bodies as
3412         well as function prototypes.  Write function prototypes for
3413         the generic predicates too.
3414         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
3415         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
3416         (write_match_code, write_predicate_expr, write_one_predicate_function)
3417         (parse_option): New functions.
3418         (output_predicate_decls): Delete.
3419         (main): Read the machine description, process DEFINE_PREDICATE or
3420         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
3421         as appropriate.
3422
3423         * genrecog.c (struct decision_test): Replace index with
3424         struct pred_data pointer.
3425         (next_index): Remove, unused.
3426         (pred_table, preds, special_mode_pred_table): Delete.
3427         (compute_predicate_codes, process_define_predicate): New functions.
3428         (validate_pattern, add_to_sequence, write_switch): Update for
3429         new data structures.
3430         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
3431         Check both error_count and have_error.
3432
3433         * gensupport.c (in_fname, first_predicate): New globals.
3434         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
3435         (predicate_table, last_predicate, old_pred_table)
3436         (old_special_pred_table): New statics.
3437         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
3438         (add_predicate, init_predicate_table): New functions.
3439         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
3440         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
3441         it or max_include_len.  Call init_predicate_table.
3442         (read_rtx): Run the predicate queue after the attribute queue
3443         but before all the others.
3444         * gensupport.h (in_fname, struct pred_data, first_predicate)
3445         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
3446         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
3447         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
3448         * dummy-conditions.c: Don't include bconfig.h, system.h,
3449         coretypes.h, tm.h, or system.h.  Do include stddef.h.
3450         Duplicate declaration of struct c_test from gensupport.h.
3451
3452         * Makefile.in (OBJS-common): Add insn-preds.o.
3453         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
3454         (insn-preds.c, insn-preds.o): New rules.
3455         (s-preds): Also generate insn-preds.c.
3456         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
3457         Update dependencies.
3458         (print-rtl.o, print-rtl1.o): Correct dependencies.
3459
3460         * recog.h: Delete prototypes of predicate functions.
3461
3462         * doc/md.texi (Predicates): New section with complete
3463         documentation of operand/operator predicates.  Remove some
3464         incomplete documentation of predicates from other places.
3465         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
3466         PREDICATE_CODES; indicate that both are deprecated in favor
3467         of define_predicate/define_special_predicate.
3468
3469         * config/ia64/ia64.c: All predicate function definitions moved
3470         to ia64.md, except
3471         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
3472         (ia64_expand_load_address, ia64_expand_move):
3473         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
3474
3475         * config/ia64/ia64.md: All predicates now defined here.
3476         (symbolic_operand): Is now a special predicate.
3477
3478         * config/ia64/ia64.h: Declare ia64_section_threshold.
3479         (PREDICATE_CODES): Delete.
3480
3481 2004-08-12  Richard Henderson  <rth@redhat.com>
3482
3483         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
3484         * c-semantics.c (add_stmt): Set it.
3485         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
3486         before instantiating a variable sized type.
3487
3488 2004-08-12  Richard Henderson  <rth@redhat.com>
3489
3490         * stor-layout.c (round_up, round_down): Move ...
3491         * fold-const.c (round_up, round_down): ... here.  Use
3492         multiple_of_p to avoid any arithmetic at all.
3493
3494 2004-08-12  Richard Henderson  <rth@redhat.com>
3495
3496         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
3497         (gimplify_init_ctor_preeval_1): New.
3498         (gimplify_init_ctor_preeval): New.
3499         (gimplify_init_ctor_eval): New.
3500         (gimplify_init_constructor): Use them.  Always gimplify the LHS
3501         object first.
3502
3503 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
3504
3505         (This patch is part of merge of objc-improvements-branch
3506         into mainline.)
3507
3508         * doc/frontends.texi: Mention Objective-C++ in addition to
3509         Objective-C.
3510         * doc/install.texi: Add 'obj-c++' to list of configurable
3511         languages.
3512         * doc/invoke.texi: Rename Objective-C option headings to
3513         indicate they also apply to Objective-C++.  List file
3514         extensions for Objective-C++ sources.  Mention that
3515         ObjC and ObjC++ compilations may also use C and C++ options,
3516         respectively.  Point users to doc/standards.texi for
3517         further info on ObjC and ObjC++.
3518         * doc/sourcebuild.texi: Mention the objcp/ directory and
3519         the Objective-C++ sources it contains.
3520         * doc/standards.texi: Update link to Apple ObjC site;
3521         add link to gcc readings.html WWW doc.
3522
3523 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
3524
3525         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
3526         and 2004-07-14 changes.
3527
3528 2004-08-12  Paul Brook  <paul@codesourcery.com>
3529
3530         * doc/invoke.texi: Fix typo.
3531
3532 2004-08-11 Devang Patel  <dpatel@apple.com>
3533
3534         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
3535         and -no_dead_strip_inits_and_terms.
3536         (LINK_SPEC): Same.
3537         * doc/invoke.texi (Darwin Options): Document -dead_strip and
3538         -no_dead_strip_inits_and_terms.
3539
3540 2004-08-11  Paul Brook  <paul@codesourcery.com>
3541
3542         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
3543         (arm_load_pic_register): ... to this.
3544         * config/arm/arm.c (arm_finalize_pic): Rename ...
3545         (arm_load_pic_register): ... to this.  Always output insns at the
3546         current location.  Load via low reg in thumb mode.
3547         (arm_expand_prologue): Call arm_load_pic_register.
3548         (thumb_expand_prologue): Ditto.
3549         * config/arm/arm.h (FINALIZE_PIC): Remove.
3550         * config/arm/arm.md (builtin_setjmp_receiver): Call
3551         arm_load_pic_register.
3552
3553 2004-08-11  Paul Brook  <paul@codesourcery.com>
3554
3555         * arm.c (thumb_force_lr_save): Add prototype.
3556         (thumb_compute_save_reg_mask): New function.
3557         (thumb_find_work_register): New function.
3558         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
3559         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
3560         Don't clobber r3 when removing pretend args.
3561         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
3562         (thumb_output_function_prologue): Use new functions.
3563         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
3564         * arm.h (THUMB_REG_PUSHED_P): Remove.
3565
3566 2004-08-11  James E Wilson  <wilson@specifixinc.com>
3567
3568         PR rtl-optimization/16490
3569         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
3570         global_live_at_end for new basic block if already set for other blocks.
3571
3572 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
3573
3574         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
3575
3576         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
3577         (mfcr rlwinm rlwinm patterns): Set length to 12.
3578
3579 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
3580
3581         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
3582         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
3583         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
3584         (start_ssa_stmt_operands): Delete.
3585         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
3586         struct stmt_operands_d.
3587         (build_ssa_operands): New extern entry point.
3588         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
3589         building code, replace with create_ssa_artficial_load_stmt().
3590         * tree-ssa-operands.c (struct voperands_d): Delete.
3591         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
3592         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
3593         (free_uses, free_defs, free_vuses, free_v_may_defs,
3594         free_v_must_defs): Remove dealloc parameter.
3595         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
3596         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
3597         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
3598         vector comparisons, ssa_name reuse, and allocations here.
3599         (verify_start_operands): Delete.
3600         (finalize_ssa_stmt_operands): Set new operands by calling finalize
3601         routines.
3602         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
3603         (append_def, append_usei): Simplify to simple accumulation.
3604         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
3605         duplicates and simple accumulation.
3606         (free_ssa_operands): Free vectors in a stmt_operand structure.
3607         (build_ssa_operands): New. Create a new stmt_operand structure from
3608         a stmt and an old set of stmt_operands.
3609         (get_stmt_operands): Simplify and call build_ssa_operands.
3610         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
3611         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
3612         add_call_read_ops): Don't pass prev_vops around anymore.
3613         (note_addressable): Return if no stmt annotation.
3614         (copy_virtual_operands): Access v_may_def operands through a struct.
3615         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
3616         hash tables without treating the stmt as a real stmt.
3617         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
3618         v_may_def def and use through a struct instead of 2 array elements.
3619         (struct v_may_def_optype_d): Use v_may_def_operand_type.
3620         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
3621
3622 2004-08-11  Nick Clifton  <nickc@redhat.com>
3623
3624         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
3625         this funciton's behaviour.  Return true when the current function
3626         has a section attribute and -mlong-calls is in effect.
3627         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
3628         short-call marker when -mlong-calls is in effect and the function
3629         has a section attribute.
3630
3631 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
3632
3633         * stmt.c (expand_return): If asked to return the RESULT_DECL,
3634         just call expand_value_return on result_rtl.
3635
3636 2004-08-10  Richard Henderson  <rth@redhat.com>
3637
3638         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
3639         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
3640         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
3641         (add_location_or_const_value_attribute): ... not here.  Use
3642         loc_descriptor_from_tree if possible.
3643         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
3644         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
3645         values specially.
3646         (loc_descriptor_from_tree): New.  Update callers.
3647         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
3648         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
3649         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
3650         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
3651         and BUILT_IN_STACK_RESTORE.
3652         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
3653         * stmt.c (expand_stack_alloc): Remove.
3654         * tree-mudflap.c (mx_register_decls): Don't look for
3655         BUILT_IN_STACK_ALLOC.
3656         * tree-nested.c (convert_local_reference): Likewise.
3657         * tree.h (DECL_VALUE_EXPR): New.
3658
3659 2004-08-10  Richard Henderson  <rth@redhat.com>
3660
3661         * stor-layout.c (round_up): Check for 0/1 before dividing.
3662         (round_down): Likewise.
3663
3664         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
3665
3666 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
3667
3668         * config.gcc (arm*-*-eabi*): New target.
3669         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
3670         (TARGET_LIB_INT_CMP_BIASED): Likewise.
3671         * expmed.c (expand_divmod): Try a two-valued divmod function as a
3672         last resort.
3673         * gthr.h: Remove bogus tokens at end of #pragma.
3674         * optabs.c (expand_twoval_binop_libfunc): New function.
3675         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
3676         (prepare_float_lib_cmp): Try reversing the condition.
3677         (debug_optab_libfuncs): New function.
3678         * optabs.h (expand_twoval_binop_libfunc): Declare.
3679         * config/arm/arm.c (arm_init_libfuncs): New function.
3680         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
3681         (TARGET_INIT_LIBFUNCS): Define it.
3682         * config/arm/arm.h (TARGET_BPABI): New macro.
3683         * config/arm/arm-protos.h
3684         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
3685         * config/arm/bpabi.S: New file.
3686         * config/arm/bpabi.c: Likewise.
3687         * config/arm/bpabi.h: Likewise.
3688         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
3689         (__aeabi_drsub): Likewise.
3690         (__aeabi_dsub): Likewise.
3691         (__aeabi_dadd): Likewise.
3692         (__aeabi_ui2d): Likewise.
3693         (__aeabi_i2d): Likewise.
3694         (__aeabi_f2d): Likewise.
3695         (__aeabi_dmul): Likewise.
3696         (__aeabi_ddiv): Likewise.
3697         (__aeabi_cdrcmple): Likewise.
3698         (__aeabi_cdcmpeq): Likewise.
3699         (__aeabi_cdcmple): Likewise.
3700         (__aeabi_dcmpeq): Likewise.
3701         (__aeabi_dcmplt): Likewise.
3702         (__aeabi_dcmple): Likewise.
3703         (__aeabi_dcmpge): Likewise.
3704         (__aeabi_dcmpgt): Likewise.
3705         (__aeabi_dcmpun): Likewise.
3706         (__aeabi_d2iz): Likewise.
3707         (__aeabi_d2uiz): Likewise.
3708         (__aeabi_d2f): Likewise.
3709         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
3710         (__aeabi_frsub): Likewise.
3711         (__aeabi_fsub): Likewise.
3712         (__aeabi_fadd): Likewise.
3713         (__aeabi_ui2f): Likewise.
3714         (__aeabi_i2f): Likewise.
3715         (__aeabi_fmul): Likewise.
3716         (__aeabi_fdiv): Likewise.
3717         (__aeabi_cfrcmple): Likewise.
3718         (__aeabi_cfcmpeq): Likewise.
3719         (__aeabi_cfcmple): Likewise.
3720         (__aeabi_fcmpeq): Likewise.
3721         (__aeabi_fcmplt): Likewise.
3722         (__aeabi_fcmple): Likewise.
3723         (__aeabi_fcmpge): Likewise.
3724         (__aeabi_fcmpgt): Likewise.
3725         (__aeabi_fcmpun): Likewise.
3726         (__aeabi_f2iz): Likewise.
3727         (__aeabi_f2uiz): Likewise.
3728         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
3729         (__aeabi_uidivmod): New function or alias.
3730         (__aeabi_idivmod): Likewise.
3731         (__aeabi_idiv0): Likewise.
3732         (__aeabi_ldiv0): Likewise.
3733         (__aeabi_llsr): Likewise.
3734         (__aeabi_lasr): Likewise.
3735         (__aeabi_llsl): Likewise.
3736         (bpabi.S): Include it.
3737         * config/arm/libgcc-bpabi.ver: New file.
3738         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
3739         (LINK_SPEC): Remove.
3740         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
3741         __aeabi_ulcmp.
3742         * config/arm/t-bpabi: New file.
3743         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
3744         (TARGET_LIB_INT_CMP_BIASED): Likewise.
3745
3746 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
3747
3748         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
3749         * config/rs6000/rs6000.md (clrmemsi): New pattern.
3750         * config/rs6000/rs6000.c (expand_block_clear): New function.
3751         (expand_block_move): Convert alignment to bits.  Use SImode and
3752         HImode for unaligned addresses if not STRICT_ALIGNMENT.
3753
3754 2004-08-10  Caroline Tice  <ctice@apple.com>
3755
3756         * varasm.c (unlikely_section_label): New global variable.
3757         (unlikely_text_section_name): New global variable.
3758         (text_section):  Remove alignment statement.
3759         (unlikely_text_section): Remove alignment statement; use
3760         unlikely_section_label rather than hard-coded string.
3761         (assemble_start_function): Initialize unlikely_section_label and
3762         unlikely_text_section_name;  make sure cold section is properly
3763         aligned at start of function; output unlikely_section_label if
3764         appropriate.
3765
3766 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
3767
3768         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
3769         * config/s390/s390.c (s390_canonicalize_comparison): New function.
3770         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
3771         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
3772         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
3773         ("*tmqi_mem"): Remove SUBREG from pattern.
3774         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
3775         ("*andsi3_cconly"): Likewise.
3776
3777 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
3778
3779         PR target/16909
3780         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
3781
3782 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
3783
3784         * doc/sourcebuild.texi (compat testing): Document available test
3785         framework commands.  Use the preferred spelling of DejaGnu.
3786
3787 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
3788
3789         * lambda.h: Add matrix type, and prototypes for remainder of
3790         matrix and vector functions.
3791         (lambda_vector_mult_const): New function.
3792         (lambda_vector_negate): Ditto.
3793         (lambda_vector_add): Ditto.
3794         (lambda_vector_add_mc): Ditto.
3795         (lambda_vector_copy): Ditto.
3796         (lambda_vector_zerop): Ditto.
3797         (lambda_vector_equal): Ditto.
3798         (lambda_vector_min_nz): Ditto.
3799         (lambda_vector_first_nz): Ditto.
3800         (lambda_vector_matrix_mult): Ditto.
3801         * lambda-mat.c: New file.
3802         * Makefile.in (lambda-mat.o): New.
3803
3804 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
3805
3806         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
3807         after linking stmt into the program.
3808         (bsi_remove): Don't call modify_stmt.
3809         * tree-complex.c (update_complex_assignment,
3810         expand_complex_comparison): Call modify_stmt after changing the stmt.
3811         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
3812         removing the stmt.
3813         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
3814         the stmt, and only if needed.
3815         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
3816         expression.
3817         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
3818         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
3819         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
3820         (eliminate_redundant_computations): Don't pass an annotation. Call
3821         modify_stmt rather than setting the annotation directly.
3822         (record_equivalences_from_stmt): Remove unused local 'j'.
3823         (cprop_operand): Take a stmt rather than an annotation as a parameter.
3824         Call modify_stmt.
3825         (cprop_into_stmt): Pass stmt rather than annotation.
3826         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
3827         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
3828         modify_stmt.
3829         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
3830
3831 2004-08-10  Jason Merrill  <jason@redhat.com>
3832
3833         PR middle-end/16948
3834         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
3835         the RESULT_DECL.
3836
3837 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
3838
3839         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
3840         hash function.
3841
3842 2004-08-10  Roger Sayle  <roger@eyesopen.com>
3843
3844         * config/mips/mips.md: New reciprocal square root patterns that
3845         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
3846
3847 2004-08-10  Paul Brook  <paul@codesourcery.com>
3848
3849         * config/arm/arm-protos.h (arm_set_return_address,
3850         thumb_set_return_address): Add prototypes.
3851         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
3852         * config/arm/arm.c (arm_compute_func_type,
3853         use_return_insn, arm_compute_save_reg0_reg12_mask,
3854         arm_compute_save_reg_mask, arm_output_function_prologue,
3855         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
3856         current_function_calls_eh_return.
3857         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
3858         old eh code.
3859         (arm_set_return_address, thumb_set_return_address): New functions.
3860         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
3861         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
3862         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
3863         (epilogue): Use the stackadj register.
3864         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
3865
3866 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
3867
3868         PR target/3144
3869         * expr.c (move_by_pieces_ninsns): Add max_size argument.
3870         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
3871         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
3872         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
3873         but using MOVE_RATIO.
3874         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
3875         (can_store_by_pieces): Change max_size type to unsigned int.
3876         (store_by_pieces_1): Likewise.  Pass max_size to
3877         move_by_pieces_ninsns.
3878         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
3879         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
3880         to move_by_pieces_ninsns.
3881         (STORE_BY_PIECES_P): Define.
3882         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
3883         to move_by_pieces_ninsns.
3884         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
3885
3886         * config/i386/i386.h (CLEAR_RATIO): Define.
3887
3888 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3889
3890         * expr.c (expand_expr_real_1): Add back code that was not dead.
3891
3892 2004-08-09  Andrew Pinski  <apinski@apple.com>
3893
3894         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
3895         which is found to be compatible before returning the aliasing set.
3896
3897 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
3898
3899         * ggc-zone.c (struct alloc_zone): Add statistics counters.
3900         (always_collect): New flag.
3901         (ggc_alloc_zone_1): Update statistics support.  Don't include
3902         overhead in allocated counter.
3903         (sweep_pages): Update allocated counter for large pages.  Don'y
3904         include overhead.
3905         (ggc_collect_1): Always collect.
3906         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
3907         whether to collect.
3908         (SCALE, LABEL): New macros.
3909         (ggc_print_statistics): Add statistics support.
3910
3911 2004-08-09  Roger Sayle  <roger@eyesopen.com>
3912
3913         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
3914         (init_expmed): Fix potential overrun problem with "all.reg".
3915         (expand_sdiv2_pow2): Add an alternate implementation for signed
3916         division, if the target provides a suitable conditional move insn.
3917
3918 2004-08-09  Paul Brook  <paul@codesourcery.com>
3919         Richard Henderson  <rth@redhat.com>
3920
3921         * unwind-dw2.c (uw_install_context_1): Update target saved stack
3922         pointer.
3923
3924 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
3925
3926         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
3927         Check DATA limit only if there's no AS limit.  Ignore insanely
3928         low DATA limits.
3929         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
3930         but take care that the AS limit isn't overrun.
3931         * doc/invoke.texi: Update documentation of min-heapsize parameter.
3932
3933 2004-08-09  Jeff Law  <law@redhat.com>
3934
3935         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
3936         (tree-ssa-threadupdate.o): Add dependencies.
3937         * tree-ssa-threadupdate.c: New file.
3938         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
3939         (rewrite_vars_out_of_ssa): Remove prototype.
3940         (cleanup_tree_cfg): Returns a bool.
3941         * tree.h (thread_through_all_blocks): Prototype.
3942         * tree-outof-ssa.c  (SSANORM_*): Move into here.
3943         (remove_ssa_form): Now static.
3944         (rewrite_vars_out_of_ssa): Kill.
3945         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
3946         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
3947         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
3948         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
3949         anything was changed.
3950         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
3951         from the PHI's annotation rather than the edge associated with
3952         the new argument.
3953         * tree-ssa-dom.c (redirection_edges): Kill.
3954         (redirect_edges_and_update_ssa_graph): Kill.
3955         (tree_ssa_dominator_optimize): Do not reset forwardable flag
3956         for blocks anymore.  Do not initialize redirection_edges.
3957         Call thread_through_all_blocks.  Simplify code for cleanup
3958         of the CFG and iterating.  No longer call cleanup_tree_cfg
3959         outside the iteration loop.
3960         (thread_across_edge): No longer mess with forwardable blocks.
3961
3962 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
3963
3964         * explow.c (memory_address): Use memory_address_p.
3965         * recog.c (general_operand): Likewise.
3966         * regrename.c: No need to define REG_OK_STRICT.
3967
3968 2004-08-09  Steven Bosscher  <stevenb@suse.de>
3969
3970         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
3971         New timers.
3972         * gcse.c: Include timevar.h.
3973         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
3974         and global_copy_prop_count.
3975         (local_const_prop_count, local_copy_prop_count): New static globals.
3976         (gcse_main): Set the right timevar for each pass.
3977         (cprop_jump): Increment global_const_prop_count when a constant is
3978         propagated.  Add "GLOBAL" to dump output.
3979         (cprop_insn): Increment global_const_prop_count when a constant is
3980         propagated, or global_copy_prop_count when a copy is propagated.
3981         (do_local_cprop): Likewise for local_const_prop_count and
3982         local_copy_prop_count.
3983         (one_cprop_pass): Initialize const/cprop counters to zero.
3984         Print out results of local and global const/cprop separately.
3985         (bypass_block): Break over-length line.
3986         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
3987         for bb-reorder.o and tracer.o.
3988
3989 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3990
3991         * Makefile.in (GTFILES): Remove stmt.c
3992         (stmt.o): Do not depend on gt-stmt.h.
3993         * emit-rtl.c (emit_line_note): Do not call
3994         set_file_and_line_for_stmt.
3995         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
3996         do everything.
3997         * function.c (free_after_parsing): Do not free STMT field.
3998         (allocate_struct_function): Do not call init_stmt_for_function.
3999         (assign_stack_temp_for_type): Do not accept values of keep
4000         other than 0 or 1.
4001         (init_temp_slots): Do not initialize removed variables.
4002         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
4003         and X_VAR_TEMP_SLOT_LEVEL fields.
4004         * rtl.h (set_file_and_line_for_stmt): Remove.
4005         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
4006         struct stmt_status, cond_stack, case_stack, nesting_stack,
4007         nesting_depth, emit_locus, set_file_and_line_for_stmt,
4008         same_case_target_p, init_stmt_for_function, emit_nop,
4009         expand_start_cond, expand_start_elseif, expand_start_else,
4010         expand_elseif, expand_end_cond): Remove.
4011         (preserve_subexpressions_p): Remove references to CFUN->STMT.
4012         (expand_start_case, expand_end_case_type): Remove, merge into...
4013         (expand_case): ... this one, including other bits from
4014         expand_expr_real_1.  Inline same_case_target_p.  Turn members
4015         of CASE_STACK into local variables.
4016         (emit_case_bit_tests): Inline same_case_target_p.
4017         (add_case_node): Add HEAD argument, return new head of the list,
4018         do not handle default label here.
4019         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
4020         expand_start_elseif, current_nesting_level, expand_start_case,
4021         expand_end_case_type, expand_end_case, add_case_node,
4022         init_stmt_for_function, expand_elseif): Remove prototypes.
4023         (expand_case): Add prototype.
4024
4025 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
4026
4027         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
4028
4029 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
4030
4031         * expr.c (var_rtx): Remove.
4032         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
4033         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
4034         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
4035         Abort.
4036         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
4037         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
4038         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
4039
4040 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
4041         Ayal Zaks <zaks@il.ibm.com>
4042
4043         * common.opt (freschedule-modulo-scheduled-loops): New flag.
4044         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
4045         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
4046         when -freschedule-modulo-scheduled-loops flag is not specified.
4047         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
4048         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
4049         More accurate placing of insn in row of partial schedule.
4050         (ps_insn_find_column): New function.
4051         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
4052         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
4053         (schedule_region): Use sched_is_disabled_for_current_region_p.
4054         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
4055
4056 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
4057
4058         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
4059         change.
4060
4061 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
4062
4063         * config/i386/i386.c (ix86_expand_clrmem): Properly call
4064         gen_strset for 64bit target.
4065
4066 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
4067
4068         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
4069
4070 2004-08-07  Jason Merrill  <jason@redhat.com>
4071
4072         Make return in memory explicit.
4073         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
4074         (assign_parm_find_data_types): Remove code for old front end
4075         invisible reference handling.
4076         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
4077         (expand_function_end): Likewise.
4078         * gimplify.c (gimplify_return_expr): Handle a dereferenced
4079         RESULT_DECL.
4080         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
4081         (declare_return_variable): Handle DECL_BY_REFERENCE.
4082         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
4083         (cp_genericize_r): Use convert_from_reference.
4084         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
4085         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
4086
4087         * c-common.c (c_warn_unused_result): Check TREE_USED before
4088         warning about a CALL_EXPR with an unused value.
4089
4090 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
4091
4092         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
4093         to the compiler.  Use -fshort-wchar by default.
4094
4095 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
4096
4097         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
4098         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
4099         threshhold.
4100         * doc/invoke.texi (param): Document min-crossjump-insns.
4101
4102 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
4103
4104         PR c/13282
4105         * c.opt (Wmissing-field-initializers): New option.
4106         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
4107         * c-typeck.c (pop_init_level): Guard the missing field warning with
4108         warn_missing_field_initializers rather than extra_warnings.
4109         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
4110         some of the explanation from...
4111         (-Wextra): ...here.  Say that the missing field warning can be
4112         seperately controlled by -Wmissing-field-initializers.
4113
4114 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
4115
4116         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
4117         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
4118         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
4119         * tree.def (ENTRY_VALUE_EXPR): Remove.
4120
4121 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
4122
4123         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
4124         the places where it is actually needed.  Don't use repz; stosb
4125         for -Os with sufficiently small constant sizes.
4126         For sufficiently small repz; stos{l,q} repeat counts use a sequence
4127         of stos{l,q} instructions instead.
4128
4129 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4130
4131         PR tree-optimization/16807
4132         * loop-iv.c (dump_iv_info): Dump invariants correctly.
4133         (iv_subreg, iv_extend): Express value of invariant purely in
4134         base field.
4135
4136 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
4137
4138         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
4139         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
4140
4141 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
4142
4143         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
4144         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
4145         pre_dec_operand.
4146         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
4147         pattern until reload is finished to allow better code generation
4148         and split them completely into separate instrunctions.
4149         (*andsi3_split): New pattern.
4150
4151 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
4152
4153         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
4154         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
4155         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4156         * tree.h (handle_dll_attribute): Declare.  Test
4157         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4158         * c-common.h (c_determine_visibility): Declare.
4159         * c-common.c (c_determine_visibility): New function.
4160         * c-decl.c (finish_decl): Use it.
4161         (finish_function): Likewise.
4162         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
4163         zero, by default.  Use #if, not #ifdef, to test it.
4164         * config/arm/arm.c (arm_attribute_table): Use
4165         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
4166         #if.
4167         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
4168         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4169         to 1.
4170         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
4171         * config/i386/i386.c (ix86_attribute_table): Use
4172         handle_dll_attribute for dllimport/dllexport.  Test
4173         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4174         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
4175         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4176         it to 1.
4177         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
4178         with #if.
4179         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4180         it to 1.
4181         * doc/extend.texi (dllexport): Clarify and correct documentation.
4182         (dllimport): Likewise.
4183         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
4184         handle_dll_attribute.
4185
4186 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4187
4188         * tree-ssa-loop-manip.c: New file.
4189         * Makefile.in (tree-ssa-loop-manip.o): Add.
4190         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
4191         Declare.
4192         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
4193         form.
4194         (tree_ssa_loop_done): Verify loop closed ssa form.
4195         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
4196
4197 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4198
4199         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
4200         pa_asm_output_aligned_local): New functions.
4201         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
4202         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
4203         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
4204         pa_asm_output_aligned_common.
4205         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4206         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
4207         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
4208         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4209         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
4210         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
4211         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4212         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
4213         common data.
4214
4215 2004-08-05  Andrew Pinski  <apinski@apple.com>
4216
4217         * objc/objc-act.c (build_objc_string_object): Mark the address
4218         expression as constant.
4219
4220 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
4221
4222         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
4223         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
4224         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
4225
4226 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4227
4228         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
4229         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
4230         out, and associated obsolete comments.
4231
4232 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
4233
4234         * tree.h (force_fit_type): Return a tree, take three flags.
4235         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
4236         TREE_CONSTANT_OVERFLOW here.
4237         (int_const_binop, const_binop): Adjust.
4238         (size_int_type): Do sign extension here.
4239         (fold_convert_const, optimize_bit_field_compare,
4240         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
4241         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
4242         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
4243
4244 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4245
4246         PR tree-optimization/16864
4247         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
4248         for ssa names without default_def.
4249
4250 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
4251
4252         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
4253         frame pointer, restore eax with an ebp-relative address.
4254
4255 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
4256
4257         PR 14516
4258         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
4259         * c-common.h (make_rtl_for_local_static): Delete.
4260         * c-decl.c (shadow_tag_warned): Clean up comment.
4261         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
4262         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
4263         * c-semantics.c (make_rtl_for_local_static): Delete.
4264         * expr.c (init_block_move_fn): Use set_user_assembler_name.
4265         (init_block_clear_fn): Likewise.
4266         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
4267         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
4268         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
4269         * tree.h (make_decl_rtl): Remove second parameter.
4270         (set_user_assembler_name): New.
4271         * varasm.c (set_user_assembler_name): New.
4272         (make_decl_rtl): Remove second parameter.  Update callers in many
4273         files.
4274
4275 2004-08-05  Adam Nemet  <anemet@lnxw.com>
4276
4277         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
4278         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
4279         to LynxOS 4.0.
4280         * gthr-lynx.h: New file.
4281         * config/lynx-ng.h: Remove file.
4282         * config/lynx.h: Update to LynxOS 4.0.
4283         * config/t-lynx: New file.
4284         * config/i386/lynx-ng.h: Remove file.
4285         * config/i386/lynx.h: Update to LynxOS 4.0.
4286         * config/rs6000/lynxbase.h: Remove file.
4287         * config/rs6000/lynx.h: Update to LynxOS 4.0.
4288         * config/rs6000/t-lynx: New file.
4289         * doc/install.texi (Options specification): Remove reference to
4290         LynxOS from systems where --with-gnu-as makes a difference.
4291
4292 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4293
4294         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
4295         __UINTMAX_TYPE__.
4296         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
4297         __INTMAX_MAX__.
4298         (c_cpp_builtins): Call it.
4299         * doc/cpp.texi: Update.
4300
4301 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
4302
4303         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
4304         cost.
4305
4306 2004-08-04  Jan Hubicka  <jh@suse.cz>
4307
4308         * basic-block.h (profile_staus): New global variable.
4309         * cfg.c (profile_status): Declare.
4310         (check_bb_profile): Break out from ....; use profile_status
4311         (dump_flow_info): ... here.
4312         * cfgbuild.c (find_basic_blocks): Set profile_status.
4313         * cfgexpand.c (tree_expand_cfg): Likewise.
4314         * predict.c (estimate_probability): Likewise.
4315         * profile.c (branch_prob): Likewise.
4316         * tree-cfg.c (build_tree_cfg): Likewise.
4317         (dump_function_to_file): Use check_bb_profile.
4318         * tree-pretty-print (dump_bb_header): Likewise.
4319         * tree-profile.c (do_tree_profiling): Cleanup.
4320
4321 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
4322
4323         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
4324         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
4325         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
4326         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
4327         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
4328         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
4329         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
4330         (ggc-none.o, errors.o): Move rule to generators section;
4331         correct dependencies.
4332         (min-insn-modes.o): Move rule to generators section; remove
4333         unnecessary explicit command; correct dependencies.
4334         (print-rtl.o, print-rtl1.o): Correct dependencies.
4335         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
4336         (mostlyclean): Update.
4337
4338         * errors.c: Include bconfig.h not config.h.  Correct comment.
4339         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
4340         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
4341         * print-rtl.c: Don't include tm_p.h.
4342
4343         * rtl.h: Move forward-decl of struct function down where it's
4344         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
4345         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
4346
4347 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4348             Jeff Law  <law@redhat.com>
4349
4350         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
4351         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
4352         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
4353         manipulate the duplicated ssa names.
4354         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
4355         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
4356         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
4357         New functions.
4358         (release_ssa_name): Do not release ssa names that may have multiple
4359         definitions.
4360         * tree.h (release_ssa_name_force, mark_for_rewrite,
4361         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
4362         marked_ssa_names): Declare.
4363         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
4364         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
4365         Update call to rewrite_ssa_into_ssa.
4366
4367 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
4368
4369         * defaults.h (TARGET_DECLSPEC): New macro.
4370         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
4371         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
4372         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
4373         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
4374         __declspec support.
4375         (TARGET_DECLSPEC): Define.
4376         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
4377         __declspec support.
4378         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
4379         __declspec support.
4380         (TARGET_DECLSPEC): Define.
4381         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
4382         __declspec support.
4383         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
4384         support.
4385         * doc/tm.texi (TARGET_DECLSPEC): Document.
4386
4387         * doc/extend.texi: Fix typo in comment.
4388
4389 2004-08-04  Paul Brook  <paul@codesourcery.com>
4390
4391         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
4392         (TARGET_CXX): Use it.
4393         * target.h (struct gcc_target): Add cdtor_returns_this.
4394         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
4395         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
4396         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
4397
4398 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
4399
4400         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
4401         low/high pair. Do range checking directly.
4402         (interpret_integer): Adjust.
4403
4404 2004-08-04  Nick Clifton  <nickc@redhat.com>
4405
4406         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
4407         GCC ABI.
4408         * doc/invoke.texi: Document this new switch and also the -mrenesas
4409         switch.
4410
4411 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
4412
4413         * cfglayout.c (insn_locators_initialize): Update the current
4414         location before initializing a location.
4415
4416 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
4417
4418         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
4419         (dbxout_function_end): Return after emitting the "Lscope" symbol
4420         under the same conditions that this function formerly wasn't called.
4421         Add explanatory comments.
4422
4423         PR 14860
4424         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
4425         on the new decl.
4426
4427         PR 13956
4428         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
4429         functions, broken out of dbxout_block.
4430         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
4431         stabs too, if it contains symbols.  Use the begin_label and
4432         the Lscope label (emitted by dbxout_function_end) for the
4433         range of this block.
4434
4435 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
4436
4437         * doc/install.texi: Update autoconf version requirements.
4438
4439 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
4440
4441         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
4442         * recog.c (general_operand, immediate_operand, nonmemory_operand)
4443         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
4444         * regclass.c (record_reg_classes): Likewise.
4445         * reload.c (find_reloads): Likewise.
4446         * reload1.c (reload): Likewise.
4447
4448 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
4449
4450         * gensupport.c (init_md_reader_args_cb): Renamed from
4451         init_md_reader_args.  Add third option, callback function for
4452         parsing program-specific options.  Add diagnosis of incorrect
4453         number of input files.
4454         (init_md_reader): Fold into init_md_reader_args_cb.
4455         (init_md_reader_args): Now a thin wrapper around
4456         init_md_reader_args_cb.
4457         * gensupport.h: Update prototypes.
4458
4459         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4460         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4461         * genrecog.c: No need to diagnose lack of an input file;
4462         init_md_reader_args will handle it.
4463         * genconditions.c: Likewise, and use init_md_reader_args.
4464         * genconstants.c: Likewise, and no need to call read_md_rtx.
4465
4466 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
4467
4468         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
4469         declarations.
4470
4471 2004-08-03  Mike Stump  <mrs@apple.com>
4472
4473         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
4474         for frameworks.
4475         * doc/invoke.texi (Darwin Options): Update to reflect above.
4476
4477 2004-08-03  Roger Sayle  <roger@eyesopen.com>
4478
4479         PR middle-end/16790
4480         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
4481         truncations, not just global truncations.
4482
4483 2004-08-03  Andrew Pinski  <apinski@apple.com>
4484
4485         PR bootstrap/16865
4486         * loop-iv.c (simplify_using_assignment): Initialize lhs.
4487
4488 2004-08-03  Paul Brook  <paul@codesourcery.com>
4489
4490         * gcc/doc/install.texi: Document MPFR requirement.
4491
4492 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
4493
4494         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
4495         and mmap() explicitly instead of relying on preset autoconf cache
4496         variables.
4497         * configure: Regenerate.
4498
4499 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
4500
4501         PR target/16570
4502         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
4503         to tmake_file.
4504         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
4505         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
4506         to tmake_file.
4507
4508         * config/i386/t-gmm_malloc: New file.
4509         * config/i386/t-pmm_malloc: Likewise.
4510
4511         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
4512
4513 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
4514             Tanguy Fautrà <tfautre@pandora.be>
4515
4516         * config/i386/pmm_malloc.h: New file.
4517
4518 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
4519
4520         * config/i386/gmm_malloc.h: New file.
4521
4522 2004-08-03  Dale Johannesen  <dalej@apple.com>
4523
4524         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
4525         * c-common.c: Include opts.h.
4526         (c_common_get_alias_set): Fix check for a single input file.
4527         * toplev.c: Remove current_file_decl.
4528         * tree.h: Ditto.
4529
4530 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
4531
4532         * config.gcc (arm*-*-symbianelf*): New target.
4533         * config/arm/symbian.h: New file.
4534
4535         * gthr-gnat.c: Add visibility #pragmas.
4536         * gthr-gnat.h : Likewise.
4537         * gthr.h: Likewise.
4538         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
4539         (__ffsDI2): Likewise.
4540         (__clzSI2): Likewise.
4541         (__ctzSI2): Likewise.
4542         (__ctzDI2): Likewise.
4543         (__popcountSI2): Likewise.
4544         (__popcountDI2): Likewise.
4545         (__paritySI2): Likewise.
4546         (__parityDI2): Likewise.
4547         * libgcc2.h: Add visibility #pragmas.
4548         (__clzDI2): Add prototype.
4549         (__clzSI2): Likewise.
4550         (__ctzSI2): Likewise.
4551         (__ffsDI2): Likewise.
4552         (__ffsSI2): Likewise.
4553         (__ctzDI2): Likewise.
4554         (__popcountSI2): Likewise.
4555         (__popcountDI2): Likewise.
4556         (__paritySI2): Likewise.
4557         (__parityDI2): Likewise.
4558         * unwind-dw2-fde.h: Add visibility #pragmas.
4559         * unwind.h: Likewise.
4560
4561 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
4562             Dale Johannesen  <dalej@apple.com>
4563             Roger Sayle  <roger@eyesopen.com>
4564
4565         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
4566         constants more accurately.  Adjust costs for FMA instructions.
4567         Add cases for most logical and float operations.  Recurse into
4568         most operands.
4569
4570 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
4571
4572         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
4573
4574 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
4575
4576         * ra-build.c (conflicts_between_webs): For webs that cross a call add
4577         conflicts to regs_invalidated_by_call.
4578
4579 2004-08-03  Paul Brook  <paul@codesourcery.com>
4580
4581         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
4582
4583 2004-08-03  Jan Hubicka  <jh@suse.cz>
4584
4585         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
4586         ARRAY_REF argument.
4587
4588 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
4589
4590         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
4591         arm968es, arm10e, arm1020e, arm1022e.
4592         * invoke.texi: Update list of ARM cores.
4593         * arm-tune.md: Regenerate.
4594
4595 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
4596
4597         * arm/gentune.sh: New file.
4598         * arm/t-arm: New file.
4599         * arm/arm-tune.md: New file (autogenerated).
4600         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
4601         * arm.md (attribute tune): Delete.  Include arm-tune.md.
4602
4603 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
4604
4605         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
4606         penultimate parameter.  All callers adjusted.
4607         (struct prefix_list): Remove used_flag_ptr.
4608         (find_a_file): Do not set *pl->used_flag_ptr.
4609         (warn_B, warn_std_ptr): Remove.
4610
4611 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
4612             Mostafa Hagog <mustafa@il.ibm.com>
4613
4614         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
4615
4616 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
4617
4618         * dwarf2out.c (output_call_frame_info): Don't change data format
4619         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
4620         label.  Use 'true' not '1'.
4621         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
4622         required.
4623
4624 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
4625
4626         * gdbinit.in: Reflect previous changes to rtunion_def.
4627
4628 2004-08-02  Roger Sayle  <roger@eyesopen.com>
4629
4630         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
4631         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
4632
4633 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4634
4635         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
4636         vec_p_reserve.
4637         * langhooks.h (lang_hooks::builtin_function): Rename parameter
4638         from "class" to "bt_class".
4639
4640 2004-08-02  Paul Brook  <paul@codesourcery.com>
4641
4642         PR rtl-optimization/15068
4643         * flow.c (init_propagate_block_info): Check condition is reversible.
4644
4645 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4646
4647         * gengtype.h (options::info): Change type to const char *.
4648         (enum gc_used_enum): Move out of struct type scope.
4649         * gengtype.c (create_option): Convert initializer for option::info to
4650         appropiate type.
4651         (adjust_field_type, walk_type, write_func_for_structure,
4652         write_root, write_roots): Remove pointless cast.
4653
4654 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
4655
4656         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
4657
4658 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4659
4660         * rtl.h (union rtunion_def): Have all members  start with the
4661         prefix "rt_".
4662         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
4663         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
4664         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
4665         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
4666         access.
4667         * gengtype.c (adjust_field_rtx_def): Likewise.
4668         * rtlanal.c (loc_mentioned_in_p): Likewise.
4669
4670 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
4671
4672         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
4673         Replace uses of mips/elf64.h with mips/elf.h
4674         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
4675         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
4676         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
4677         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
4678         (HANDLE_SYSV_PRAGMA): Delete.
4679         (ASM_OUTPUT_DEF): Fix formatting.
4680         * config/mips/elf64.h: Delete.
4681
4682 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
4683
4684         * config/ia64/ia64.c (got_symbolic_operand): Do require a
4685         symbol+offset operand to have its offset be zero mod 0x3fff
4686         when GOT entries are in use.  Clarify logic in SYMBOL_REF
4687         case.  Clarify comments.
4688         (ia64_expand_load_address): Split a symbol+offset load when
4689         the offset is nonzero mod 0x3fff, not 0x1fff.
4690
4691 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
4692
4693         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
4694         if trying to *store* to a non-offsettable address.
4695         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
4696         a nonoffsettable address.
4697         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
4698         Clean up.
4699         (movti_string): Don't move GPRs to a nonoffsettable address.
4700         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
4701
4702 2004-08-02  Ben Elliston  <bje@au.ibm.com>
4703
4704         PR target/16155
4705         * config/rs6000/altivec.h: Replace typeof with __typeof__.
4706
4707 2004-08-01  Richard Henderson  <rth@redhat.com>
4708
4709         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
4710         variable sized types.
4711
4712 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
4713
4714         * doc/invoke.texi: In the MIPS options section, remove the passage
4715         saying that -mexplicit-relocs is usually disabled for -mabicalls
4716         -fno-unit-at-a-time.
4717         * config/mips/mips.c (override_options): Remove the code that enforced
4718         this rule.
4719
4720 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
4721
4722         * config/mips/mips.md (cprestore): Provide two alternatives, one for
4723         an in-range offset and one for an out-of-range offset.  Wrap the latter
4724         in .set macro/.set nomacro if it's inside a .set nomacro block.
4725
4726 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
4727
4728         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
4729         (mips_restore_gp): Declare.
4730         * config/mips/mips.c (mips_add_offset): Add a scratch register
4731         argument.  Reimplement in rtl only, reusing MIPS16 logic from
4732         mips_output_mi_thunk.
4733         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
4734         to mips_add_offset.
4735         (mips_gp_save_slot): Delete.
4736         (mips_restore_gp): New function.
4737         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
4738         * config/mips/mips.md (exception_receiver): Turn into a
4739         define_insn_and_split.  Use mips_restore_gp to do the split.
4740         (call_internal, call_value_internal, call_value_multiple_internal): Use
4741         mips_restore_gp to restore $gp.
4742
4743 2004-07-31  Andrew Pinski  <apinski@apple.com>
4744
4745         PR other/16842
4746         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
4747
4748 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
4749
4750         * c-decl.c (diagnose_mismatched_decls): Give error for external
4751         redeclaration of identifier declared with no linkage, not just
4752         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
4753         error for redeclaration with no linkage.
4754
4755 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
4756             Fariborz Jahanian <fjahanian@apple.com>
4757
4758         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
4759         non-offsettable addresses even for DImode.
4760         (rs6000_split_multireg_move): Cope with non-offsettable addresses
4761         being moved into multiple GPRs.
4762
4763         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
4764         to 64.
4765         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
4766         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
4767         to 128.
4768         * config/rs6000/darwin-ldouble.c (isless): New macro.
4769         (inf): New macro.
4770         (nonfinite): New macro.
4771         (FPKINF): Delete.
4772         (_xlqadd): Completely rewrite.
4773         (_xlqmul): Correct overflow handling.
4774         (_xlqdiv): Correct overflow handling.
4775         * config/rs6000/darwin-ldouble-format: New file.
4776
4777 2004-07-30  Roger Sayle  <roger@eyesopen.com>
4778             Richard Henderson  <rth@redhat.com>
4779
4780         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
4781         9 into the equivalent lea instruction.
4782
4783 2004-07-30  Richard Henderson  <rth@redhat.com>
4784
4785         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
4786         with DECL_INITIAL if fb_lvalue.
4787         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
4788         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
4789         with <Cxxx>.
4790         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
4791
4792 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
4793
4794         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
4795         pointer escapes through a function call, assume that the
4796         callee will dereference it.
4797         (add_pointed_to_var): Assume that VALUE is always an
4798         ADDR_EXPR.
4799         (collect_points_to_info_r): Only call add_pointed_to_var if
4800         the value is an ADDR_EXPR.
4801
4802 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
4803
4804         * tree-ssa-alias.c (create_alias_map_for): Do not get the
4805         alias set of the inner type of ARRAY_TYPEs.
4806
4807 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
4808
4809         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
4810         setting a non-register to UNDEFINED right before the call to
4811         set_lattice_value.
4812
4813 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
4814
4815         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
4816
4817 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
4818
4819         * tree-ssa.c (verify_flow_sensitive_alias_info): When
4820         comparing points-to sets of different pointers, make sure the
4821         second pointer is actually referenced in the code.
4822
4823 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
4824
4825         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
4826         (got_symbolic_operand): Remove unreachable code.
4827         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
4828         setjmp_operand; add entry for tls_symbolic_operand.
4829         * config/ia64/ia64-protos.h: Remove all prototypes of
4830         predicate functions.
4831
4832 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
4833
4834         * c-common.h (lang_post_pch_load): New variable.
4835         * c-pch.c (lang_post_pch_load): Define it.
4836         (c_common_read_pch): Use it.
4837         * cgraphunit.c (record_call_1): Give the front end a chance to
4838         record additional needed entities when a variable is marked as
4839         needed.
4840         * tlink.c (recompile_files): Robustify.
4841         (scan_linker_output): If a symbol is assigned to a file,
4842         but after recompilation is not present there, issue an error
4843         message.
4844
4845 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4846
4847         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
4848         Take orig_loop argument and pass it to set_level.
4849         (schedule_sm): Pass the correct orig_loop to force_move_till.
4850
4851 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4852
4853         * cfgloop.c (update_latch_info): Update dominator of the new block.
4854         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
4855         info.
4856         * dominance.c (verify_dominators): Check that the dominance tree is
4857         connected.
4858         (recount_dominator): Ignore unreachable blocks.
4859         (iterate_fix_dominators): Cleanup old dominance information before
4860         recomputing it.
4861
4862 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
4863
4864         * tree-ssa-operands.c (get_expr_operands): Revert changes
4865         to ADDR_EXPR processing introduced by:
4866             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4867             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
4868
4869 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
4870
4871         * doc/implement-c.texi: Add C90 subclause references.  Point to
4872         preprocessor documentation instead of duplicating it.  Add points
4873         only present in C90.  Fill in documentation for all points.
4874
4875 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4876
4877         * pa.c (output_movb): Correct typo.
4878
4879 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
4880
4881         * ra.h (single_reg_in_regclass): Declare.
4882         * ra.c (single_reg_in_regclass): Define.
4883         (first_hard_reg): New.
4884         (init_ra): Initialize single_reg_in_regclass.
4885         * ra-colorize.c (ok_class): New.
4886         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
4887
4888 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
4889
4890         * gcov-io.h: Allow zero tag as EOF indicator.
4891         (gcov_is_eof): Remove.
4892         (gcov_truncate): Remove.
4893         * gcov-io.c (gcov_seek): Always SEEK_SET.
4894         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
4895         EOF tag.
4896         * coverage.c (read_counts_file): Don't use gcov_is_eof.
4897         * gcov-dump.c (dump_file): Likewise.
4898         * gcov.c (read_graph_file, read_count_file): Likewise.
4899
4900         * c-decl.c (complete_array_type): Don't gratuitously copy
4901         maxindex.  Check it always has a type.
4902
4903 2004-07-29  Steven Bosscher  <stevenb@suse.de>
4904
4905         * rtl.c (currently_expanding_to_rtl): New.
4906         * rtl.h (currently_expanding_to_rtl): Export it.
4907         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
4908
4909         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
4910         inliner hack.
4911         * config/sh/sh.c: Replace rtx_equal_function_value_matters
4912         with currently_expanding_to_rtl.
4913         * config/sh/sh.md: Likewise.
4914         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
4915
4916 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
4917
4918         Introduce sh2a support.
4919         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
4920         * config.gcc: Build multilibs for sh2a and sh2a-single by
4921         default.
4922         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
4923         default.  Split their tests out of the corresponding SH4
4924         multilibs.
4925         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
4926         multilibs for SH2a.
4927         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
4928         * config.gcc: Handle sh2a multilibs and cpu selection.
4929         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
4930         * config/sh/t-mlib-sh2a: New.
4931         * config/sh/t-mlib-sh2a-nofpu: New.
4932         * config/sh/t-mlib-sh2a-single: New.
4933         * config/sh/t-mlib-sh2a-single-only: New.
4934         2004-07-09  Nick Clifton  <nickc@redhat.com>
4935         Issue 43400
4936         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
4937         -ml and -m2a are used together.
4938         2004-03-23  DJ Delorie  <dj@redhat.com>
4939         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
4940         when we have a double-sized FPU.
4941         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
4942         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
4943         is set.
4944         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
4945         -msh2a-single and -msh2a-single-only
4946         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
4947         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
4948         is set.
4949         2004-02-20  DJ Delorie  <dj@delorie.com>
4950         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
4951         2004-02-20  Fred Fish <fnf@redhat.com>,
4952         Corinna Vinschen <vinschen@redhat.com>
4953         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
4954         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
4955         2004-02-18  DJ Delorie  <dj@redhat.com>
4956         * config/sh/sh.c (broken_move): Add support for movi20.
4957         * config/sh/sh.h: Likewise.
4958         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
4959         * config/sh/sh.md (udivsi3_sh2a): New.
4960         (udivsi3): Call it.
4961         (divsi3_sh2a): New.
4962         (divsi3): Call it.
4963         (mul_r): New.
4964         (ashlsi3_sh2a): New.
4965         (ashrsi3_sh2a): New.
4966         (lshrsi3_sh2a): New.
4967         (movsi_i): Disable for sh2a.
4968         (movsi_ie): Add movi20.
4969         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
4970         sh2a, for -m2a-nofpu mode.
4971         2004-02-13  DJ Delorie  <dj@redhat.com>
4972         * config/sh/lib1funcs.asm: Handle double vs single better.
4973         * config/sh/sh.h: Likewise.
4974         2004-02-09  DJ Delorie  <dj@redhat.com>
4975         * config/sh/crt1.asm: Add support for sh2a.
4976         * config/sh/elf.h: Likewise.
4977         * config/sh/lib1funcs.asm: Likewise.
4978         * config/sh/sh.c: Likewise.
4979         * config/sh/sh.md: Likewise.
4980         * config/sh/sh.h: Likewise.
4981         * config/sh/t-sh: Likewise.
4982
4983 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
4984
4985         * config/frv/frv.md (movqi_internal, movhi_internal,
4986         movsi_internal): Add backup alternatives for memory inputs.
4987
4988 2004-07-28  Matt Austern  <austern@apple.com>
4989
4990         * config/darwin.c (darwin_one_byte_bool): New global variable.
4991         * config/darwin.h (darwin_one_byte_bool): Declare.
4992         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
4993         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
4994         value of darwin_one_byte_bool.
4995         * doc/invoke.texi: Document -mone-byte-bool flag.
4996
4997 2004-07-28  Eric Christopher  <echristo@redhat.com>
4998
4999         * c-common.c (c_common_unsafe_for_reeval): Delete.
5000         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
5001         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
5002         * calls.c (fix_unsafe_tree): Delete.
5003         (expand_call): Delete code which used above.
5004         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
5005         * expr.c (expand_expr_real_1): Ditto.
5006         * fold-const.c (non_lvalue): Ditto.
5007         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
5008         (lhd_unsafe_for_reeval): Ditto.
5009         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
5010         * langhooks.h (unsafe_for_reeval): Ditto.
5011         (unsave_expr_now): Adjust comment.
5012         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
5013         (estimate_num_insns_1): Ditto.
5014         * tree-pretty-print.c (dump_generic_node): Ditto.
5015         * tree.c (expr_align): Ditto.
5016         (unsave_expr): Delete.
5017         (unsafe_for_reeval): Ditto.
5018         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
5019         * tree.def (UNSAVE_EXPR): Delete.
5020         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
5021
5022 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
5023
5024         * tree.h (enum tls_model): Move ...
5025         * coretypes.h: ... here.
5026
5027 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
5028
5029         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
5030
5031 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
5032
5033         * cse.c (validate_canon_reg): New function, split out from...
5034         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
5035
5036 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5037
5038         * tree-ssa-alias.c (maybe_create_global_var): Don't just
5039         return if .GLOBAL_VAR has been created.
5040
5041 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5042
5043         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
5044         every variable that may have aliases, not just tags.
5045
5046 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
5047
5048         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
5049         move_from_CR_eq_bit.
5050         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
5051
5052
5053         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
5054         e500_flip_eq_bit.
5055
5056         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
5057         output_e500_flip_eq_bit.
5058
5059         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
5060         output_e500_flip_eq_bit.
5061         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
5062         output_e500_flip_eq_bit.
5063         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
5064         (print_operand): case D.  Get to EQ bit.
5065
5066 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
5067
5068         * gcov.c (function_summary): Add missing \n.
5069
5070 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
5071
5072         Introduce sh4a support.
5073         * config.gcc: Handle sh4a multilibs and cpu selection.
5074         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
5075         * config/sh/t-mlib-sh4a: New.
5076         * config/sh/t-mlib-sh4al: New.
5077         * config/sh/t-mlib-sh4a-nofpu: New.
5078         * config/sh/t-mlib-sh4a-single: New.
5079         * config/sh/t-mlib-sh4a-single-only: New.
5080         2004-02-20  DJ Delorie  <dj@redhat.com>
5081         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
5082         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
5083         2003-08-22  Eric Christopher  <echristo@redhat.com>
5084         * config/sh/sh4a.md: Update for chip errata.
5085         2003-08-07  Eric Christopher  <echristo@redhat.com>
5086         * config/sh/sh4a.md: New file. sh4a processor description.
5087         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
5088         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
5089         of -m4a-nofpu.
5090         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
5091         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
5092         * doc/invoke.texi (SH Options): Document -m4al.
5093         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
5094         * config/sh/sh.c (expand_block_move): Remove commented-out code
5095         checked in by mistake.
5096         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
5097         single elements from SFmode vectors.
5098         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
5099         register.
5100         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
5101         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
5102         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
5103         sh_fsca_int2sf): Remove variable declarations.
5104         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
5105         sh_fsca_int2sf): New functions.
5106         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
5107         sh_fsca_int2sf_rtx): New static variables.
5108         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
5109         sh_fsca_int2sf): Declare.
5110         * config/sh/sh.md: Adjust.
5111         * doc/invoke.texi (SH Options): Document new options.
5112         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
5113         compatibility from SH4 code.
5114         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
5115         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
5116         early.
5117         (memory_movsrc_operand): Renamed to...
5118         (unaligned_load_operand): ... this.  Simplified.
5119         * config/sh/sh.h (PREDICATE_CODES): Adjust.
5120         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
5121         input operand to SImode, and adjust the others.  Introduce
5122         post-increment by peephole.
5123         * config/sh/sh.c (expand_block_move): Give the target address the
5124         same mode as the temp reg.
5125         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
5126         copying.
5127         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
5128         Introduce support for SH4a.
5129         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
5130         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
5131         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
5132         sh_fsca_int2sf): New.
5133         (sh_init_builtins): Initialize them.
5134         (print_operand): Support `d'.
5135         (expand_block_move): Use movua if src is misaligned.
5136         (memory_movsrc_operand): New.
5137         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
5138         and one of the SH4 macros.
5139         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
5140         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
5141         SELECT_SH4A_SINGLE): New.
5142         (TARGET_NONE): Add SH4A_BIT.
5143         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
5144         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
5145         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
5146         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
5147         (enum processor_type): Added PROCESSOR_SH4A.
5148         (PREDICATE_CODES): Add memory_movsrc_operand.
5149         * config/sh/sh.md: Removed unused variables.
5150         (attr cpu): Add sh4a.
5151         (attr type): Add movua, fsrra and fsca.
5152         (prefetch): New, for SH4.
5153         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
5154         (toggle_sz): Set type to fp.
5155         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
5156         (movua, extv, extzv): New.
5157         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
5158         and 4a-single-only.
5159
5160 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5161
5162         * tree-optimize.c (init_tree_optimization_passes): Schedule
5163         pass_may_alias right after the program is renamed into SSA.
5164         * tree-pass.h (PROP_alias): Define.
5165         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
5166         * tree-sra.c (pass_sra): Likewise.
5167         * tree-ssa-ccp.c (pass_ccp): Likewise.
5168         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
5169         * tree-ssa-dce.c (pass_dce): Likewise.
5170         * tree-ssa-dom.c (pass_dominator): Likewise.
5171         * tree-ssa-dse.c (pass_dse): Likewise.
5172         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5173         * tree-ssa-loop-ch.c (pass_ch): Likewise.
5174         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
5175         * tree-ssa-pre.c (pass_pre): Likewise.
5176         * tree-tailcall.c (pass_tail_recursion): Likewise.
5177         * tree-ssa.c (pass_redundant_phi): Likewise.
5178         * tree-ssa-alias.c (aliases_computed_p): Remove.
5179         Update all users.
5180         (init_alias_info): Do not mark all type tags for renaming
5181         unconditionally.
5182         Clear may_aliases from every symbol.
5183         (setup_pointers_and_addressables): If a pointer has not been
5184         dereferenced and it had a type tag, clear it and mark the old
5185         tag for renaming.
5186
5187 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5188
5189         PR tree-optimization/16705
5190         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
5191         .GLOBAL_VAR.
5192
5193 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5194
5195         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
5196         check.
5197
5198         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
5199         don't make another one.
5200
5201         PR optimization/15077
5202         * function.h (struct function): Add field saved_static_chain_decl.
5203         Fix comment for static_chain_decl.
5204         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
5205         * tree-inline.h (save_body): Add new arg.
5206         * tree-optimize.c (tree_rest_of_compilation): Handle saving
5207         static_chain_decl.
5208
5209 2004-07-27  Richard Henderson  <rth@redhat.com>
5210
5211         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
5212         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
5213         is_gimple_addressable.
5214         * tree-gimple.c (is_gimple_addressable): Rename from
5215         is_gimple_addr_expr_arg; accept INDIRECT_REF.
5216         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
5217         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
5218         rename to is_gimple_addressable.
5219
5220 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
5221
5222         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
5223
5224 2004-07-27  Richard Henderson  <rth@redhat.com>
5225
5226         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
5227         before rounding.
5228
5229 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
5230
5231         * libgcc2.c: Change all conditionals testing
5232         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
5233         * libgcc2.h: Likewise.
5234         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
5235         TYPE_PRECISION of float80_type to 80.
5236         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
5237         of fpreg_type and float80_type to 80.
5238         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
5239         * config/m68k/netbsd-elf.h:
5240         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
5241         to evaluate to 80 whenever they would formerly have evaluated to 96.
5242         * config/i386/sco5.h: Remove unnecessary redefinition of
5243         LONG_DOUBLE_TYPE_SIZE.
5244         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
5245         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
5246         XFmode, with a bitsize of 80.  Update commentary.
5247         * config/ia64/ia64-modes.def: Likewise.
5248         * config/m68k/m68k-modes.def: Likewise.
5249
5250 2004-07-27  Steven Bosscher  <stevenb@suse.de>
5251
5252         * cfgexpand.c (tree_expand_cfg): Fix comment.
5253
5254         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
5255         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
5256         Remove.
5257         (prepare_function_start): Don't set rtx_equal_function_value_matters.
5258         * integrate.c (copy_rtx_and_substitute): Don't test for it.
5259         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
5260         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
5261         here again.  Update leading comment.
5262         * rtl.c (rtx_equal_function_value_matters): Remove.
5263         (rtx_equal_p): Don't test for it.
5264         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
5265         Likewise.
5266
5267         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
5268         * rtl.c (note_insn_name): Likewise.
5269         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
5270         * final.c (final_scan_insn): Likewise.
5271
5272         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
5273         * passes.c (rest_of_handle_eh): Do it here.
5274
5275         * stmt.c (struct nesting): Remove struct nesting block member.
5276         (struct stmt_status): Remove x_block_start_count field.
5277         (current_block_start_count): Remove.
5278
5279 2004-07-27  Brian Booth  <bbooth@redhat.com>
5280
5281         * tree-optimize.c (register_one_dump_file): Update condition that uses
5282         static_pass_number.
5283         (dup_pass_1): Replace with...
5284         (next_pass_1): This.
5285         (NEXT_PASS): Call next_pass_1.
5286         (DUP_PASS): Remove.
5287         (init_tree_optimization_passes): Remove uses of DUP_PASS.
5288         (execute_one_pass): Update condition that uses
5289         static_pass_number.
5290         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
5291         integer.
5292
5293 2004-07-27  Nick Clifton  <nickc@redhat.com>
5294
5295         * config/m32r/m32r.c: Include integrate.h in order to get the
5296         prototype for get_hard_reg_initial_val().
5297
5298         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
5299         and tidy up indentation.
5300         (final_presence_set): Use absence_set instead, so that if there is
5301         nothing in the "o" pipe the "s" pipe can be scheduled.
5302
5303 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
5304
5305         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
5306         don't have PT_VARS nor PT_MALLOC set.
5307         Clear name tag from pointers that have not been dereferenced.
5308         (set_pt_anything, set_pt_malloc): Forward declare.
5309         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
5310         not type compatibility when determining if a pointer can be
5311         copy propagated.
5312
5313 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
5314
5315         * expr.h (canonicalize_condition, get_condition): Add an int argument.
5316         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
5317         it to check whether the condition is still valid at the jump insn.
5318         * ifcvt.c (noce_get_condition): Likewise.
5319         (noce_get_alt_condition): Update call to canonicalize_condition.
5320         * loop-iv.c (simplify_using_initial_values): Update call to
5321         get_condition.  Remove FIXME.
5322         (check_simple_exit): Update call to get_condition.
5323         * loop-unswitch.c (may_unswitch_on): Likewise.
5324         * loop.c (check_dbra_loop): Likewise.
5325         (canonicalize_condition, get_condition): Add an argument to say whether
5326         the condition must still be valid at INSN.
5327         (get_condition_for_loop): Update call to get_condition.  Require that
5328         the condition be valid at INSN.
5329         * predict.c (estimate_probability): Update call to get_condition.
5330         Remove unused earliest parameter.
5331         (expected_value_to_br_prob): Update call to canonicalize_condition.
5332
5333 2004-07-26  Eric Christopher  <echristo@redhat.com>
5334
5335         * tree-dfa.c (add_referenced_var): Register initializers of global
5336         variables.
5337
5338 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
5339
5340         * config/i386/i386.c (function_arg): Always treat 8-
5341         and 16-byte wide vectors the same, even if MMX/SSE
5342         are disabled.
5343         (contains_128bit_aligned_vector_p): Add comment.
5344
5345 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
5346
5347         * ra.h (enum node_type): Rename to:
5348         (enum ra_node_type).
5349         * ra-colorize.c: Likewise.
5350
5351 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
5352
5353         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
5354         after simplifying the jump.
5355
5356 2004-06-26  Richard Henderson  <rth@redhat.com>
5357
5358         * calls.c (combine_pending_stack_adjustment_and_call): Make
5359         preferred_unit_stack_boundary argument unsigned.  Make
5360         unadjusted_alignment unsigned.
5361         (expand_call): Make preferred_stack_boundary and
5362         preferred_unit_stack_boundary variables unsigned.
5363         * function.c (assign_stack_local_1): Make alignment unsigned.
5364         * function.h (struct function): Make stack_alignment_needed,
5365         preferred_stack_boundary unsigned.
5366         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
5367         (ix86_compute_frame_layout): Make stack_alignment_needed,
5368         preferred_alignment variables unsigned.
5369         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
5370
5371 2004-07-26  Tom Tromey  <tromey@redhat.com>
5372
5373         * tree.h: Fix typo in comment.
5374
5375 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
5376
5377         PR bootstrap/12804
5378         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
5379         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
5380         (ggc_free): Remove incorrect freeing.
5381         (sweep_pages): Advance PP for large pages.  Fix indentation.
5382
5383 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
5384
5385         PR rtl-optimization/16643
5386         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
5387         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
5388         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
5389         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
5390         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
5391         * function.c (thread_prologue_and_epilogue_insns): Likewise.
5392         * rtl.h (tracer): Add a flags parameter.
5393         * tracer.c (tracer): Pass it to cfg_layout_initialise.
5394         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
5395         (rest_of_handle_reorder_blocks): Update calls to tracer and
5396         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
5397         (rest_of_handle_tracer): Pass 0 to tracer.
5398         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
5399
5400 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
5401
5402         PR target/16239
5403         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
5404         f->f.
5405
5406 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
5407
5408         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
5409         (BINFO_BASE_ACCESS): Adjust.
5410         (BINFO_BASE_ACCESS_APPEND): New.
5411         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
5412         * dbxout.c (dbxout_type): Adjust binfo access accessing.
5413         * dwarf2out.c (gen_member_die): Likewise.
5414         * tree-dump.c (deque_and_dump): Likewise.
5415
5416 2004-07-26  Falk Hueffner  <falk@debian.org>
5417
5418         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
5419         costs.
5420
5421 2004-07-25  Roger Sayle  <roger@eyesopen.com>
5422
5423         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
5424         value off of the stack if TARGET_USE_FFREEP.
5425
5426 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
5427
5428         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
5429         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
5430         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
5431         check on invocation of XRESIZEVEC ().
5432
5433 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
5434
5435         * c-common.c (disable_builtin_function): Rename variable n to
5436         new_disabled_builtin.
5437         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
5438         Rename local variable old to old_decl.
5439         * gensupport.c (shift_output_template): Rename parameter old to src.
5440         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
5441         old_rtx and newx to new_rtx.
5442
5443 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
5444
5445         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
5446         of c-pragma.h.
5447         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
5448         enum cpp_ttype.
5449         * c-lex.c: Likewise.
5450
5451 2004-07-25  Roger Sayle  <roger@eyesopen.com>
5452
5453         * fold-const.c (constant_boolean_node): Make extern.
5454         (make_range): Wrap long lines.
5455         (fold_cond_expr_with_comparison): Remove unnecessary call to
5456         pedantic_non_lvalue.  Add missing calls to fold_convert.
5457         (fold_truthop): Add missing calls to fold_convert.
5458         (fold): Likewise.
5459         * tree.h (constant_boolean_node): Add prototype here.
5460         * builtins.c (expand_builtin_strncmp): Add missing calls to
5461         fold_convert.
5462         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
5463         Call fold_convert and constant_boolean_node to correct types.
5464         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
5465         missing call to fold_convert to correct types.
5466
5467 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
5468             Brian Ryner  <bryner@brianryner.com>
5469
5470         PR c++/9283
5471         PR c++/15000
5472         * c-common.c (c_common_attribute_table): Allow
5473         handle_visibility_attribute to be called for types.
5474         (handle_visibility_attribute) When given a type, set the visibility
5475         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
5476         so that we can check later whether the attribute was present. Added
5477         warning if attribute applied to non class type.
5478         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
5479         decls and checking that they are consistent.
5480         * common.opt: Added -fvisibility.
5481         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
5482         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
5483         * flags.h, tree.h: Added assorted support defines for overall patch
5484         * opts.c: Added parsing support for -fvisibility.
5485         * tree.c (build_decl): Set visibility for all decls to be whatever
5486         is in force at that time.
5487         * varasm.c (default_binds_local_p_1): Reworked logic determining
5488         when to make a symbol locally bound.
5489         * doc/invoke.texi: Added documentation for -fvisibility and
5490         -fvisibility-inlines-hidden.
5491
5492 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5493
5494         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
5495         * c-common.c: Add missing casts from void * to other types.
5496         * c-decl.c: Likewise.
5497         * c-format.c: Likewise.
5498         * c-lex.c: Likewise.
5499         * c-pragma.c: Likewise.
5500         * c-typeck.c: Likewise.
5501         * defaults.h: Likewise.
5502         * genconstants.c: Likewise.
5503         * gengtype-lex.l: Likewise.
5504         * genmodes.c: Likewise.
5505         * read-rtl.c: Likewise.
5506         * rtl.c: Likewise.
5507
5508 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5509
5510         * bitmap.c: Use type-safe memory allocation macros from libiberty.
5511         * c-common.c: Likewise.
5512         * c-decl.c: Likewise.
5513         * c-lang.c: Likewise.
5514         * c-lex.c: Likewise.
5515         * c-opts.c: Likewise.
5516         * c-parse.in: Likewise.
5517         * c-typeck.c: Likewise.
5518         * genconditions.c: Likewise.
5519         * gengtype-lex.l: Likewise.
5520         * gengtype-yacc.y: Likewise.
5521         * gengtype.c: Likewise.
5522         * genmodes.c: Likewise.
5523         * gensupport.c: Likewise.
5524         * read-rtl.c: Likewise.
5525         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
5526         htab_find_slot().
5527
5528 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5529
5530         * c-decl.c (groktypename, groktypename_in_param_context): Rename
5531         variable typename to type_name.
5532         * c-lex.c (interpret_float): Likewise.
5533
5534 2004-07-25  Roger Sayle  <roger@eyesopen.com>
5535
5536         * convert.c (convert_to_real, convert_to_integer,
5537         convert_to_complex): Replace calls to build with calls to buildN.
5538         * coverage.c (tree_coverage_counter_ref): Likewise.
5539         * dojump.c (do_jump): Likewise.
5540         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
5541         * emit-rtl.c (component_ref_for_mem_expr,
5542         set_mem_attributes_minus_bitpos): Likewise.
5543         * explow.c (update_nonlocal_goto_save_area): Likewise.
5544         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
5545         expand_mult_add): Likewise.
5546         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
5547         store_constructor, get_inner_reference, expand_expr_real_1,
5548         try_casesi, try_tablejump): Likewise.
5549         * function.c (expand_function_start): Likewise.
5550         * stmt.c (emit_case_bit_tests, expand_end_case_type,
5551         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
5552         * stor-layout.c (place_union_field, layout_type): Likewise.
5553         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
5554         * varasm.c (copy_constant): Likewise.
5555
5556 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5557
5558         * c-common.c: Rename all identifiers named `new'.
5559         * c-decl.c: Likewise.
5560         * gensupport.c: Likewise.
5561         * simplify-rtx.c: Likewise.
5562         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
5563         with XNEW().
5564         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
5565         with XNEWVEC().
5566
5567 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
5568
5569         PR c/15360
5570         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
5571         declarations until after calling pushdecl.
5572         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
5573         "extern" and not on whether the declaration is initialized.
5574
5575 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
5576
5577         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
5578         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
5579         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
5580         "cpplib.h", "c-pragma.h", "c-common.h".
5581         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
5582         (solaris_register_pragmas): New functions.
5583         * config/sol2-protos.h: New file.
5584         * config/sol2.c: New file.
5585         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
5586         (REGISTER_TARGET_PRAGMAS): New macros.
5587         (solaris_pending_aligns, solaris_pending_inits)
5588         (solaris_pending_finis): New variables.
5589         * config/t-sol2 (sol2-c.o): Update dependencies.
5590         (sol2.o): New rule.
5591         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
5592         SUBTARGET_INSERT_ATTRIBUTES.
5593         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
5594         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
5595         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
5596         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
5597         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
5598         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
5599         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
5600         * config/sparc/sparc.c (sparc_attribute_table): New.
5601         (TARGET_INSERT_ATTRIBUTES): Define in terms of
5602         SUBTARGET_INSERT_ATTRIBUTES.
5603         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
5604         is defined.
5605         * doc/extend.texi (Solaris Pragmas): New section.
5606
5607 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5608
5609         * c-common.c: Rename all identifiers named `class' to `cl'.
5610         * c-common.h: Likewise.
5611         * c-parse.in: Likewise.
5612         * c-typeck.c: Likewise.
5613         * genmodes.c: Likewise.
5614         * real.c: Likewise.
5615         * real.h: Likewise.
5616         * recog.c: Likewise.
5617         * recog.h: Likewise.
5618         * regrename.c: Likewise.
5619         * tree.h: Likewise.
5620         * c-common.c (builtin_function_2): Change type of 5th parameter from
5621         int to enum built_in_function. Change type of 8th parameter from int
5622         to bool.
5623         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
5624         with GGC_CNEW().
5625         * c-typeck.c (convert_arguments): Change type of formal_prec from
5626         int to unsigned int.
5627         * genmodes.c (blank_mode): Make a few negative constants unsigned.
5628         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
5629         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
5630         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
5631         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
5632         iterator to for_all_modes () instead of an enum because enums can't
5633         be incremented in C++.
5634
5635
5636 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
5637
5638         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
5639         hard registers.
5640
5641 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5642
5643         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
5644         Handle ARRAY_RANGE_REF like ARRAY_REF.
5645
5646 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
5647
5648         * c-typeck.c (digest_init): Don't allow arrays of signed or
5649         unsigned variants of wchar_t to be initialized by wide string
5650         constants.  Do allow arrays of enumerated types compatible with
5651         wchar_t to be initialized by wide string constants.  Refine tests
5652         distinguishing wide and narrow strings and arrays.  Give specific
5653         error for arrays of other integer types initialized by string
5654         constants.
5655         (output_init_element, process_init_element): Check for
5656         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
5657         initializing with string constants.
5658
5659 2004-07-25  Richard Henderson  <rth@redhat.com>
5660
5661         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
5662         on the RESULT_DECL.
5663         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
5664         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
5665         DECL_IGNORED_P to new decl.
5666
5667 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
5668
5669         * config/ia64/ia64.c (general_xfmode_operand)
5670         (destination_xfmode_operand): Delete.
5671         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
5672         * config/ia64/ia64.md (*movxf_internal): Use general_operand
5673         and destination_operand.
5674
5675 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
5676
5677         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
5678         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
5679
5680 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
5681             Zack Weinberg  <zack@codesourcery.com
5682
5683         PR 16684
5684         * c-decl.c (diagnose_mismatched_decls): Don't issue a
5685         redundant-declaration warning the first time a builtin is
5686         declared explicitly.
5687
5688 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5689
5690         * tree.h (staticp): Change return type to bool.
5691
5692 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5693
5694         * c-common.c (c_staticp): Last episode of the staticp saga.
5695
5696 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5697
5698         * c-common.h (c_staticp): Change return type from int to bool.
5699         * tree.c (staticp): Likewise.
5700         * langhooks.h (staticp): Likewise.
5701
5702 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5703
5704         * langhooks-def.h (lhd_staticp): Change return type from int to
5705         bool in prototype to match definition.
5706
5707 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5708
5709         * system.h (bool, true, false): Don't redefine as preprocessor macros
5710         in C++.
5711
5712 2004-07-24  Roger Sayle  <roger@eyesopen.com>
5713
5714         * expmed.c (init_expmed): A signed modulus by a power of two is
5715         considered cheap if its less than or equal to four instructions.
5716
5717 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5718
5719         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
5720         GGC_CNEWVAR): New macros.
5721
5722 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5723
5724         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
5725         lists.
5726         * c-decl.c: Likewise.
5727         * c-format.c: Likewise.
5728         * c-lex.c: Likewise.
5729         * c-opts.c: Likewise.
5730         * c-pragma.c: Likewise.
5731         * c-typeck.c: Likewise.
5732         * gencheck.c: Likewise.
5733         * genconditions.c: Likewise.
5734         * genconfig.c: Likewise.
5735         * genflags.c: Likewise.
5736         * gengtype.c: Likewise.
5737         * gensupport.c: Likewise.
5738         * ggc-none.c: Likewise.
5739         * langhooks.c: Likewise.
5740         * statistics.h: Likewise.
5741         * stub-objc.c: Likewise.
5742         * java/decl.c: Likewise.
5743
5744 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
5745
5746         * config/m68k/m68k.c (output_scc_di): Fix coding style.
5747         (symbolic_operand): Fix prototype.
5748         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
5749         * config/m68k/m68k.md: Add constants for registers a0 and sp and
5750         use them, change from the "{...}" syntax to the simpler {...}
5751         syntax.
5752         (*cfv4_extendqisi2): Fix destination predicate.
5753         * config/m68k/m68k-protos.h: Remove various declarations also
5754         generated via PREDICATE_CODES.
5755
5756 2004-07-23  Mike Stump  <mrs@apple.com>
5757
5758         * c-typeck.c (convert_for_assignment): Tightened up pointer
5759         converstions that differ in signedness.
5760
5761 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
5762
5763         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
5764
5765 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5766
5767         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
5768         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
5769
5770         * gimplify.c (gimplify_compound_lval): Check for no handled
5771         operations, rather than checking for explicit list of nodes.
5772         (is_gimple_addr_expr_arg_or_indirect): New function.
5773         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
5774         redundant setting of TREE_INVARIANT.
5775         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
5776         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
5777
5778 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
5779
5780         PR tree-optimization/16688
5781         PR tree-optimization/16689
5782         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
5783         unnecessary initialization of 'tag'.
5784         (get_tmt_for): Check that the new type tag has the same alias
5785         set as the pointed-to type.
5786         (group_aliases): Only regular variables need to be removed
5787         from the alias set of a name tag.
5788         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
5789         propagation if the two types are not compatible.
5790         (merge_alias_info): Rename from replace_ssa_names_ann.
5791         Add more checking.
5792         (replace_exp_1): If both arguments are SSA_NAMEs, check that
5793         the propagation can be done.
5794         Only call merge_alias_info on pointers.
5795         (propagate_value): Likewise.
5796         * tree-ssa-copyrename.c: Include langhooks.h.
5797         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
5798         to do the merging.
5799         Do not coalesce variables with incompatible types.
5800         (rename_ssa_copies): Call replace_ssa_name_symbol.
5801         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
5802         the same type as the underlying _DECL.
5803         * tree-ssanames.c (replace_ssa_name_symbol): New function.
5804         * tree.h (replace_ssa_name_symbol): Declare.
5805
5806 2004-07-23  Richard Henderson  <rth@redhat.com>
5807
5808         PR c++/16277
5809         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
5810         unshare it properly.
5811         (gimplify_modify_expr_rhs): Push assignment from a conditional into
5812         the conditional for all non-register types.
5813
5814 2004-07-23  Richard Henderson  <rth@redhat.com>
5815
5816         * expr.c (expand_expr_real_1): Don't handle non-local variables.
5817         * expr.h (fix_lexical_addr): Remove.
5818         * function.c (NEED_SEPARATE_AP): Remove.
5819         (fix_lexical_addr): Remove.
5820         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
5821         not null decl_function_context.
5822         (create_alias_vars): Likewise.
5823         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
5824         (simple_goto_p): Likewise.
5825         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
5826         * tree-ssa-ccp.c (get_default_value): Likewise.
5827         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
5828         * tree.c (needs_to_live_in_memory): Likewise.
5829         * tree-flow-inline.h (may_be_aliased): Move...
5830         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
5831         when TREE_STATIC variables may be addressable.
5832
5833 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
5834
5835         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
5836
5837 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
5838
5839         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
5840         bitmap contents if GENERATOR_FILE is defined.
5841         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
5842         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
5843
5844 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
5845
5846         * c-decl.c (start_function): Form composite type of function types
5847         rather than copying type from previous prototype declaration.
5848
5849 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
5850
5851         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
5852         the const qualifier for the second argument in the C++ functions.
5853
5854         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
5855         specific pointer types.
5856
5857         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
5858         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
5859         for vector bool and/or vector pixel, add C++ and C missing support.
5860         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
5861         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
5862         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
5863         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
5864         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
5865         missing C++ and C support for vector bool and/or vector pixel.
5866         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
5867         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
5868         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
5869         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
5870         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
5871         C++ and C types used for vector bool and/or vector pixel.
5872         (vec_st, vec_stl): Add C++ support for vector pixel.
5873         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
5874         (vec_all_ne): Add C++ support for vector pixel.
5875
5876         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
5877         (vec_vmulesb): Add missing C++ function.
5878         (vec_perm): Fix type of third argument in C++ function.
5879         (vec_vsum4shs): Fix C++ function name.
5880         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
5881         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
5882         argument passed to the error handler in C macro.
5883         (vec_nmsub): Remove extra parens around argument names in C macro.
5884         (vec_packpx): Add missing parens in C macro.
5885
5886 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
5887
5888         * machmode.def: Remove vector modes.
5889         * config/alpha/alpha-modes.def: Add supported vector modes.
5890         * config/arm/arm-modes.def: Likewise.
5891         * config/frv/frv-modes.def: Likewise.
5892         * config/i386/i386-modes.def: Likewise.
5893         * config/rs6000/rs6000-modes.def: Likewise.
5894         * config/sh/sh-modes.def: Likewise.
5895
5896 2004-07-23  Matthias Klose  <doko@debian.org>
5897
5898         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
5899         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
5900         * config.h: Regenerate.
5901         * configure: Likewise.
5902
5903 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
5904
5905         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
5906         generated SYMBOL_REFs for labels.
5907         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
5908         Change prototype.
5909         (machopic_stub_name): Remove.
5910         (machopic_indirection_name): New function.
5911         (machopic_mcount_stub_name): Likewise.
5912         (machopic_classify_name): Remove.
5913         (machopic_function_base_sym): New function.
5914         (machpoic_classify_symbol): Likewise.
5915         (machopic_classify_ident): Remove.
5916         (machopic_define_ident): Likewise.
5917         (machopic_define_name): Likewise.
5918         (machopic_name_defined_p): Likewise.
5919         (machopic_ident_defined_p): Likewise.
5920         (darwin_strip_name_encoding): Likewise.
5921         (machopic_define_symbol): New function.
5922         * config/darwin.c (hashtab.h): Include.
5923         (machopic_defined_list): Remove.
5924         (machopic_classify_ident): Likewise.
5925         (machopic_classify_name): Likewise.
5926         (machopic_ident_defined_p): Likewise.
5927         (machopic_define_ident): Likewise.
5928         (machopic_define_name): Likewise.
5929         (machopic_symbol_defined_p): New function.
5930         (machopic_classify_symbol): Likewise.
5931         (machopic_data_defined_p): Use machopic_classify_symbol.
5932         (machopic_define_symbol): New function.
5933         (machopic_function_base_sym): New function.
5934         (machopic_non_lazy_pointers): Remove.
5935         (machopic_non_lazy_ptr_name): Likewise.
5936         (machopic_stubs): Likewise.
5937         (machopic_stub_name): Likewise.
5938         (NON_LAZY_POINTER_SUFFIX): New macro.
5939         (STUB_SUFFIX): Likewise.
5940         (machopic_indirection): New structure.
5941         (machopic_indirections): New variable.
5942         (machopic_indirection_hash): New function.
5943         (machopic_indirection_eq): Likewise.
5944         (machopic_indirection_name): Likewise.
5945         (machopic_mcount_stub_name): New function.
5946         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
5947         hash table.
5948         (machopic_indirect_data_reference): Rework to use new functions.
5949         (machopic_indirect_call_target): Likewise.
5950         (machopic_legitimize_pic_address): Likewise.
5951         (machopic_output_indirection): New function.
5952         (machopic_finish): Use it.
5953         (machopic_operand_p): Rework to use new functions.
5954         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
5955         (darwin_strip_name_encoding): Remove.
5956         (update_non_lazy_ptrs): Remove.
5957         (update_stubs): Likewise.
5958         (darwin_non_lazy_pcrel): Use new functions.
5959         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
5960         (ASM_OUTPUT_LABELREF): Likewise.
5961         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
5962         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
5963         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
5964         (TARGET_STRIP_NAME_ENCODING): Do not use
5965         darwin_strip_name_encoding.
5966         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
5967         darwin_strip_name_encoding.
5968         * config/i386/darwin.h (FUNCTION_PROFILER): Use
5969         machopic_mcount_stub_name.
5970         * config/i386/i386.c (x86_output_mi_thunk): Use
5971         machopic_indirection_name, not machopic_stub_name.
5972         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
5973         machopic_function_base_sym.
5974         (print_operand): Use machopic_classify_symbol.
5975         (rs6000_emit_prologue): Use machopic_function_base_sym.
5976         (output_profile_hook): Do not use machopic_stub_name.
5977         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
5978
5979 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
5980
5981         PR c/7284
5982         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
5983         as multiplication.
5984
5985 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
5986
5987         * doc/implement-c.texi: New file.
5988         * doc/extend.texi (C Implementation): Move to there.
5989         * doc/gcc.texi: Include implement-c.texi.
5990         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
5991
5992 2004-07-22  Jason Merrill  <jason@redhat.com>
5993
5994         * integrate.c (copy_decl_for_inlining): Remove invisible reference
5995         handling.
5996         * tree-inline.c (setup_one_parameter): Likewise.
5997
5998 2004-07-22  Brian Booth  <bbooth@redhat.com>
5999
6000         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
6001         (substitute_and_fold): Propigate into VUSE operands when possible.
6002         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
6003         (cp_lattice_meet): Handle merging of latticevalues when
6004         UNKNOWN_VAL is present.
6005         (visit_stmt): Visit assignments with V_MUST_DEFs.
6006         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
6007         (ccp_fold): Deal with RHS' that are constant and virtual.
6008         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
6009         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
6010         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
6011         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
6012         computing immediate uses.
6013         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
6014         transition.
6015         (replace_vuse_in): New function.
6016         (likely_value): Add check of vuse operands.
6017         (get_default_value): Set the default value of virtually defined
6018         variables to UKNOWN_VAL instead of VARYING.
6019
6020 2004-07-22  Richard Henderson  <rth@redhat.com>
6021
6022         * expr.c (emit_push_insn): Don't use set_mem_attributes.
6023
6024 2004-07-22  Richard Henderson  <rth@redhat.com>
6025
6026         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
6027         variables due to conditional compilation.
6028
6029 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
6030
6031         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
6032         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
6033         Release SSA names that have been re-renamed.
6034         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
6035         variable.
6036         * tree-ssa-alias.c (init_alias_info): If aliases have been
6037         computed before, clear existing alias information.
6038         (create_name_tags): Do no fixup PT_ANYTHING pointers.
6039         If the new name tag for a pointer is different than the one it
6040         had before, mark the old tag for renaming.
6041         (replace_may_alias): New function.
6042         (group_aliases): Call it.
6043         (setup_pointers_and_addressables): Always call get_tmt_for.
6044         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
6045         once.
6046         (set_pt_anything): New local function.
6047         (set_pt_malloc): New local function.
6048         (merge_pointed_to_info): Don't merge pointed-to variables from
6049         the original pointer if the destination is pointing to an
6050         unknown location.
6051         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
6052         (add_pointed_to_var): Do not add a variable to the points-to
6053         set if the pointer is already pointing to anywhere.
6054         (collect_points_to_info_r): If the defining statement is a PHI
6055         node, only merge pointed-to information if the argument has
6056         already been visited.
6057         (get_tmt_for): Only create a new tag if the pointer didn't
6058         have one already.
6059         (dump_alias_info): Emit more information.
6060         (dump_points_to_info_for): Likewise.
6061         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
6062         try to get the annotation of an SSA_NAME.
6063         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
6064         alias sets when checking is enabled.
6065         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
6066         (eliminate): Mark basic blocks that will need
6067         EH information cleaned up.
6068         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
6069         predecessor.
6070         Initialize need_eh_cleanup.
6071         (fini_pre): Call tree_purge_all_dead_eh_edges and
6072         cleanup_tree_cfg if needed.
6073         Free need_eh_cleanup.
6074         * tree-ssa.c (verify_ssa_name): New function.
6075         (verify_def): Call it.
6076         Re-arrange to avoid printing too many error messages.
6077         (verify_use): Likewise.
6078         (verify_phi_args): Likewise.
6079         (verify_flow_insensitive_alias_info): New function.
6080         (verify_flow_sensitive_alias_info): New function.
6081         (verify_alias_info): New function.
6082         (verify_ssa): Call verify_alias_info.
6083         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
6084         program.
6085         Re-arrange to avoid printing too many error messages.
6086         * tree-ssanames.c (make_ssa_name): Clear
6087         SSA_NAME_IN_FREE_LIST.
6088         (release_ssa_name): Never release a default definition.
6089         (release_defs): New function.
6090         * tree.h: Declare it.
6091         * tree-ssa-dce.c (remove_dead_stmt): Call it.
6092
6093 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
6094
6095         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
6096         If true, do a depth-first search.  Do a breadht-first search,
6097         otherwise.
6098         (walk_use_def_chains): Add new argument IS_DFS.
6099         Update all users.
6100         * tree-flow.h (walk_use_def_chains): Update prototype.
6101
6102 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
6103
6104         * config/cris/cris.md: Tweak formatting.
6105         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
6106         (mover2side, moverside, movemside, movei, op3, andu): Replace
6107         live define_peephole:s with define_peephole2 near-equivalents.
6108         Delete the rest.
6109         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
6110         word-size modes.
6111         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
6112         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
6113         "*mov_sidesi_mem" respectively.
6114
6115 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
6116
6117         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
6118         (gimplify_build1): Move from tree-complex.c do_unop.
6119         (gimplify_build2): Move from tree-complex.c do_binop.
6120         (gimplify_build3): New.
6121         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
6122         Adjust throughout to call the functions above.
6123         * tree-flow.h: Declare the functions above.
6124         * tree-nested.c (gimplify_val): Rename to...
6125         (tsi_gimplify_val): ... this.
6126
6127         * Makefile.in (tree_complex.o): Update dependencies.
6128         (stor-layout.o): Depend on regs.h.
6129         * c-common.c (handle_vector_size_attribute): Update for
6130         vector types without corresponding vector modes.
6131         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
6132         a corresponding vector mode is not available.
6133         * print-tree.c (print_node): Print nunits for vector types
6134         * regclass.c (have_regs_of_mode): New.
6135         (init_reg_sets_1): Initialize it and use it instead
6136         of allocatable_regs_of_mode.
6137         * regs.h (have_regs_of_mode): Declare it.
6138         * stor-layout.c (layout_type): Pick a mode for vector types.
6139         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
6140         build_replicated_const, do_unop, do_binop, do_plus_minus,
6141         do_negate, expand_vector_piecewise, expand_vector_parallel,
6142         expand_vector_addition, expand_vector_operations_1,
6143         expand_vector_operations, tree_lower_operations,
6144         pass_lower_vector_ssa, pass_pre_expand): New.
6145         (expand_complex_operations, pass_lower_complex): Remove.
6146         * tree-optimize.c (init_tree_optimization_passes): Adjust
6147         pass ordering for changes in tree-complex.c.
6148         * tree-pass.h: Declare new passes.
6149         * tree.c (finish_vector_type): Remove.
6150         (make_vector_type): New.
6151         (build_vector_type_for_mode, build_vector_type): Rewritten.
6152         * tree.def (VECTOR_TYPE): Document where the number of
6153         subparts is stored.
6154         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
6155         (make_vector): Remove declaration.
6156
6157 2004-07-21  Richard Henderson  <rth@redhat.com>
6158
6159         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
6160         TREE_THIS_VOLATILE, may_aliases, or optimization level.
6161         (remove_useless_vars): Dump debugging info.
6162         (expand_used_vars): Move ...
6163         * cfgexpand.c (expand_used_vars): ... here.  Make static.
6164         * tree-flow-inline.h (set_is_used): New.
6165         (set_default_def): Use get_var_ann.
6166         * tree-flow.h: Update decls.
6167         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
6168         (create_ssa_var_map): Use it.
6169         * tree-ssa.c (set_is_used): Remove.
6170
6171 2004-07-22  Ben Elliston  <bje@au.ibm.com>
6172
6173         * gdbinit.in: Set a breakpoint on internal_error.
6174
6175 2004-07-21  Richard Henderson  <rth@redhat.com>
6176
6177         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
6178         to create a new basic block.
6179
6180 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6181
6182         PR c/15052
6183         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
6184         return type on function definitions.  Move other warnings for
6185         qualified return type to -Wreturn-type.  Do not condition any such
6186         warnings on -pedantic.  Update comments.
6187         (start_function): Only copy function type from previous prototype
6188         declaration if return types are compatible.
6189         * c-typeck.c (function_types_compatible_p): Don't condition
6190         warning for incompatibility of volatile qualifiers on the return
6191         type on -pedantic.  Update comment.
6192         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
6193
6194 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6195
6196         * c-typeck.c (set_init_index): Require designator to be of integer
6197         type.
6198
6199 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6200
6201         PR c/11250
6202         * c-parse.in (init): Change to exprtype.
6203         (primary): Set original_code for STRING to STRING_CST.
6204         Call maybe_warn_string_init for compound literals.
6205         (initdcl, notype_initdcl): Call maybe_warn_string_init.
6206         (initval): Update.
6207         * c-tree.h (maybe_warn_string_init): New.
6208         (pop_init_level, process_init_element): Use struct c_expr.
6209         (struct c_expr): Update comment.
6210         * c-typeck.c (maybe_warn_string_init): New function.
6211         (digest_init): Call it.  Additional parameter strict_string.  All
6212         callers changed.
6213         (output_init_element): Likewise.
6214         (struct constructor_stack): Use struct c_expr for
6215         replacement_value.
6216         (really_start_incremental_init, push_init_level): Update.
6217         (pop_init_level): Update.  Return struct c_expr.
6218         (process_init_level): Update.  Take struct c_expr argument.
6219
6220 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
6221
6222         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
6223         commit.
6224
6225 2004-07-21  Eric Christopher  <echristo@redhat.com>
6226
6227         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
6228         removal.
6229         * c-decl.c (pop_scope): Ditto.
6230         * calls.c (expand_call): Remove call to current_nesting_level,
6231         update comment accordingly. Remove calls to expand_start_target_temps
6232         and expand_end_target_temps.
6233         * cfgexpand.c (construct_init_block): Remove call to
6234         expand_start_bindings_and_block.
6235         (construct_exit_block): Remove call to expand_end_bindings.
6236         * expr.c (safe_from_p): Remove BIND_EXPR handling.
6237         (expand_expr_real_1): Ditto. Fix formatting.
6238         (expand_vars): Delete.
6239         * stmt.c (POPSTACK): Remove block_stack.
6240         (stmt_status): Remove x_block_stack.
6241         (block_stack): Delete.
6242         (expand_start_bindings_and_block): Ditto.
6243         (expand_start_target_temps): Ditto.
6244         (expand_end_target_temps): Ditto.
6245         (current_nesting_level): Ditto.
6246         (warn_about_unused_variables): Ditto.
6247         (expand_end_bindings): Ditto.
6248         * tree.h: Remove declarations for above.
6249
6250 2004-07-21  Steven Bosscher  <stevenb@suse.de>
6251
6252         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
6253         * rtl.c (note_insn_name): Likewise.
6254         * print-rtl.c (print_rtx): Don't print it.
6255         * cfgrtl.h (can_delete_note_p): Don't handle it.
6256         (rtl_delete_block): Likewise.
6257         * passes.c (rest_of_handle_guess_branch_prob): Remove.
6258         (rest_of_compilation): Don't call it.
6259         * predict.c (process_note_predictions, process_note_prediction,
6260         note_prediction_to_br_prob): Remove.
6261         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
6262         * stmt.c (return_prediction): Remove.
6263         (expand_value_return): Don't call it.  Don't add prediction
6264         notes for return statements.
6265
6266 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
6267
6268         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
6269         once.
6270
6271 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
6272
6273         * c-common.c (vector_types_convertible_p): Use vector types'
6274         TYPE_SIZE and TREE_TYPE instead of their mode.
6275         * convert.c (convert_to_integer): Likewise.
6276         (convert_to_vector): Likewise.
6277         * fold-const.c (fold_convert): Likewise.
6278         * varasm.c (output_constant): Likewise.
6279         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
6280         Allow a VECTOR_TYPE initializer to be made of several vectors.
6281         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
6282         of cleared and need_to_clear, and use fold_convert.
6283         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
6284         integer vectors.
6285
6286 2004-07-20  Richard Henderson  <rth@redhat.com>
6287
6288         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
6289         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
6290
6291 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
6292
6293         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
6294         enormous cost if not TARGET_HARD_MUL.
6295
6296 2004-07-20  Andrew Pinski  <apinski@apple.com>
6297
6298         PR target/16557
6299         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
6300         (ASM_SPEC): here.
6301
6302 2004-07-21  Paul brook  <paul@codesourcery.com>
6303
6304         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
6305
6306 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6307
6308         * fold-const.c (operand_equal_p): Temporarily support NULL args.
6309         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
6310         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
6311
6312 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
6313
6314         * rtl.h (plus_constant): Delete.
6315         (plus_constant_wide): Rename to plus_constant.
6316         (plus_constant_for_output_wide): Delete vestigial prototype.
6317         (GEN_INT): Remove unnecessary cast.
6318         * tree.h (build_int_2, size_int_type): Delete.
6319         (build_int_2_wide): Rename to build_int_2.
6320         (size_int_wide): Rename to size_int_kind.
6321         (size_int_type_wide): Rename to size_int_type.
6322         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
6323         Remove unnecessary cast.
6324         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
6325         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
6326         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
6327         (size_int_type_wide): Rename size_int_type.
6328         (int_const_binop): Use size_int_type.
6329         * c-lex.c (interpret_integer): Use build_int_2.
6330         * final.c (split_double): Remove unnecessary casts.
6331         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
6332
6333 2004-07-20  Richard Henderson  <rth@redhat.com>
6334
6335         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
6336         (gimplify_compound_lval): Use is_gimple_tmp_reg.
6337         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
6338         (is_gimple_tmp_reg): New.
6339         * tree-gimple.h (is_gimple_tmp_reg): Declare.
6340
6341 2004-07-20  Richard Henderson  <rth@redhat.com>
6342
6343         * tree-pretty-print.c (dump_generic_node): Dump
6344         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
6345
6346 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
6347
6348         * tree-mudflap.c (mf_set_options_fndecl): New tree.
6349         (mudflap_init): Set it.
6350         (mudflap_register_call): Remove __mf_init call.
6351         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
6352         to pass "-ignore-reads" option to libmudflap if needed.
6353
6354 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
6355
6356         PR c++/14607
6357         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
6358         (MAKE_DECL_ONE_ONLY): Undefine.
6359         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
6360         readonly_data, one_only_data_section, forget_section): New prototypes.
6361         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
6362         functions.
6363         (pa_select_section): Add one-only (COMDAT) support.
6364         * pa.h (struct machine_function): Define.
6365         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
6366         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
6367         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
6368         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
6369         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
6370         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
6371         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
6372         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
6373         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
6374         for EXTRA_SECTION_FUNCTIONS.
6375         * doc/install.texi: Update binutils requirements.
6376
6377 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
6378
6379         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
6380         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
6381         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
6382         size_t.
6383         (struct VEC): Use unsigned for num and alloc.
6384         * vec.c (struct vec_prefix): Likewise.
6385         (vec_o_reserve): Adjust.
6386
6387         * dbxout.c (dbxout_type): Fix printf format.
6388
6389         * tree.h (binfo_member): Remove.
6390         * tree.c (binfo_member): Remove.
6391
6392 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
6393
6394         * tree.h: Include vec.h
6395         (DEF_VEC_P(tree)): New type.
6396         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
6397         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
6398         (BINFO_LANG_SLOT): Remove.
6399         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
6400         (struct tree_binfo): Turn base_binfos into a trailing
6401         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
6402         (binfo_lang_slots): Remove.
6403         * tree.c (binfo_lang_slots): Remove.
6404         (make_tree_binfo_stat): Take a base binfo count, not a
6405         lang slot count.  Adjust.
6406         * Makefile.in (TREE_H): Add vec.h
6407         * alias.c (record_component_aliases): Adjust BINFO access.
6408         * dbxout.c (dbxout_type): Likewise.
6409         * dwarf2out.c (gen_member_die): Likewise.
6410         * sdbout.c (sdbout_one_type): Likewise.
6411         * tree-dump.c (deque_and_dump): Likewise.
6412         * config/i386/i386.c (classify_argument,
6413         contains_128bit_aligned_vector_p): Likewise.
6414         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
6415         * doc/c-tree.texi (Classes): Update BINFO documentation.
6416
6417 2004-07-20  Steven Bosscher  <stevenb@suse.de>
6418
6419         * c-common.h (check_case_value): Remove prototype.
6420         (c_add_case_label): Adjust prototype.
6421         * c-common.c (check_case_value): Make static.
6422         (check_case_bounds): New function.
6423         (c_add_case_label): Use it.  Take new argument orig_type.
6424         * c-typeck.c (struct c_switch): New orig_type field.
6425         (c_start_case): Set it.
6426         (do_case): Pass it to c_add_case_label.
6427         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
6428         cases from here.  Add the labels in reverse order.
6429         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
6430         (add_case_node): Return nothing, don't check for duplicate cases.
6431         Insert new case nodes in a list, not in an AVL tree.
6432         (expand_end_case_type): Don't turn a case tree into a case list.
6433         (case_tree2list): Remove.
6434         * tree.h (add_case_node): Adjust prototype.
6435
6436 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
6437
6438         * genattr.c (struct range, struct function_unit,
6439         write_units, extend_range, init_range): Remove them.
6440         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
6441         Output "#define INSN_SCHEDULING" here.
6442         * genattrtab.c (struct range, struct function_unit_op,
6443         struct function_unit, struct dimension, enum operator,
6444         operate_exp, expand_units, simplify_knowing,
6445         encode_units_mask, simplify_by_exploding,
6446         find_and_mark_used_attributes, unmark_used_attributes,
6447         add_values_to_cover, increment_current_value,
6448         test_for_current_value, simplify_with_current_value,
6449         simplify_with_current_value_aux, gen_unit,
6450         write_unit_name, write_function_unit_info,
6451         write_complex_function, write_toplevel_expr,
6452         find_single_value, extend_range): Remove.
6453         (write_attr_get): Do not handle common_av->value
6454         being an FFS.
6455         (struct attr_desc): Remove func_units_p and blockage_p.
6456         (write_attr_valueq): Do not handle them.
6457         (find_attr): Do not clear them.
6458         (make_internal_attr): Do not initialize them.
6459         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
6460         * sched-vis.c (init_target_units, insn_print_units,
6461         init_block_visualization, print_block_visualization,
6462         visualize_scheduled_insns, visualize_no_unit,
6463         visualize_stall_cycles, visualize_alloc,
6464         visualize_free, target_units, get_visual_tbl_length,
6465         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
6466         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
6467         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
6468         * haifa-sched.c (blockage_range, clear_units,
6469         schedule_unit, actual_hazard, potential_hazard,
6470         insn_unit, unit_last_insn, unit_tick,
6471         actual_hazard_this_instance, potential_hazard,
6472         schedule_unit, max_insn_queue_index_value): Remove.
6473         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
6474         max_insn_queue_index.
6475         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
6476         * doc/md.texi (Processor pipeline description): Remove
6477         references to old pipeline descriptions.
6478         (Automaton pipeline description): Merge with the above.
6479         (Old pipeline description, Comparison of the two descriptions):
6480         Remove.
6481
6482         * bt-load.c (migrate_btr_def): Remove references to
6483         use_pipeline_interface.
6484         * haifa-sched.c (insn_cost, schedule_insn,
6485         schedule_block, advance_one_cycle, sched_init,
6486         queue_to_ready, sched_finish): Likewise.
6487         * modulo-sched.c (sms_schedule, advance_one_cycle,
6488         ps_has_conflicts): Likewise.
6489         * sched-rgn.c (init_ready): Likewise.
6490         (debug_dependencies): Likewise, and remove an "if (1)".
6491         * target.h (use_dfa_pipeline_interface): Remove.
6492         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6493         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6494         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6495         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6496         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6497         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6498         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6499         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6500         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6501         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6502         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6503         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6504         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6505         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6506         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6507         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6508         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6509         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6510         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6511
6512 2004-07-19  Roger Sayle  <roger@eyesopen.com>
6513
6514         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
6515
6516 2004-07-19  Jeff Law  <law@redhat.com>
6517
6518         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
6519         (get_eq_expr_value): Use it.  Simplify slightly.
6520
6521 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
6522
6523         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
6524         (umulsidi3_32bit_r4000): Likewise.
6525
6526 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
6527
6528         * vec.h: Propagate location information properly.
6529         (VEC_T_iterate): Add result pointer parameter.
6530         (VEC_T_space): New.
6531         (VEC_T_reserve): Use it.
6532
6533 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
6534
6535         * Makefile.in (c-format.o): Depend on c-format.h.
6536         * c-format.h: New file.
6537         (struct format_char_info): Add CHAIN member.
6538         * c-format.c: Move some types and constants to c-format.h.
6539         (format_type_error): Set to -1.
6540         (struct function_format_info): Use an int for format_type.
6541         (decode_format_type): Return an int.  Return format_type_error
6542         on error.
6543         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
6544         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
6545         (scan_char_table, time_char_table, monetary_char_table): Initialize
6546         CHAIN to NULL.
6547         (n_format_types): New variable.
6548         (check_format_info_main): Handle CHAIN in format_char_info.
6549         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
6550         TARGET_N_FORMAT_TYPES.
6551         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
6552         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
6553         * config/sol2-c.c: New file.
6554         * config/t-sol2: New file.
6555         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
6556         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
6557         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
6558
6559         * doc/extend.texi (Target Format Checks): New section.
6560         (Function Attributes): Mention it.
6561         * doc/invoke.texi: Mention target format checks.
6562         * doc/sourcebuild.texi: Mention target format checks.
6563         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
6564         TARGET_FORMAT_TYPES.
6565
6566 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6567
6568         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
6569         added.
6570         * config/s390/s390.c (regclass_map initializer): Register 35 added to
6571         ADDR_REGS.
6572         (load_multiple_operation, store_multiple_operation): Removed
6573         pointless sanity check.
6574         (s390_decompose_address): Added check for return_address_pointer_rtx.
6575         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
6576         (s390_return_address_offset): New function.
6577         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
6578         (FRAME_REGNO_P): Added check for register 35.
6579         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
6580         REG_ALLOC_ORDER): Appended entry for register 35.
6581         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
6582         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
6583         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
6584         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
6585         is eliminable using stack pointer or hard frame pointer.
6586         (REGISTER_NAMES): Added name for register 35.
6587         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
6588         pointless sanity check.
6589
6590 2004-07-19  Roger Sayle  <roger@eyesopen.com>
6591
6592         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
6593         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
6594         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
6595         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
6596         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
6597         (fold_relational_const): Tidy up handling of floating point
6598         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
6599         transformation; fold_relational_const assumes constant operands.
6600
6601 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
6602
6603         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
6604         directory.
6605
6606 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
6607
6608         * c-tree.h (struct c_expr): Define.
6609         (C_SET_EXP_ORIGINAL_CODE): Remove.
6610         (parser_build_binary_op, build_compound_expr): Update prototypes.
6611         * c-parse.in (%union): Add exprtype.
6612         (FUNC_NAME): Mark as ttype.
6613         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
6614         exprtype.
6615         (expr): Update.  Define directly in terms of expr_no_commas
6616         instead of using nonnull_exprlist.
6617         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
6618         offsetof_member_designator, typespec_nonreserved_nonattr, init,
6619         initval, designator, component_declarator,
6620         component_notype_declarator, enumerator, array_declarator,
6621         condition, exexpr, switch_statement, stmt_nocomp, stmt,
6622         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
6623         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
6624         where appropriate.
6625         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
6626         * c-common.c (c_common_truthvalue_conversion): Don't check
6627         C_EXP_ORIGINAL_CODE.
6628         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
6629         Don't use C_EXP_ORIGINAL_CODE.
6630         (default_conversion, default_function_array_conversion): Don't use
6631         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
6632         (internal_build_compound_expr): Merge into build_compound_expr.
6633         (build_compound_expr): Take two operands instead of a TREE_LIST.
6634         * objc/objc-act.c (get_super_receiver): Update calls to
6635         build_compound_expr.
6636
6637 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
6638
6639         * config/sh/sh.c (sh_use_dfa_interface): Remove.
6640         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
6641         hook_int_void_1.
6642         * config/sh/sh.md: Extract pipeline descriptions
6643         into separate files.
6644         * config/sh/sh1.md: New file, extracted from sh.md.
6645         * config/sh/sh4.md: New file, extracted from sh.md.
6646         * config/sh/shmedia.md: New file, extracted from sh.md
6647         and rewritten using new-style pipeline description.
6648
6649 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
6650
6651         * config/pa/pa.md: Delete the two remaining define_peephole
6652         patterns.
6653
6654 2004-07-18  Steven Bosscher  <stevenb@suse.de>
6655             Joseph S. Myers  <jsm@polyomino.org.uk>
6656
6657         * c-common.c (c_common_truthvalue_conversion): Don't warn if
6658         TREE_NO_WARNING is set.
6659
6660 2004-07-18  Roger Sayle  <roger@eyesopen.com>
6661
6662         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
6663         simplify_builtin_strncmp): Delete.
6664         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
6665         Change argument to accept an arglist instead of an "exp".  Assume
6666         that the return type is always integer_type_node.  Copy missing
6667         transformations from their now obsolete simplify_builtin_*
6668         equivalents.
6669         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
6670         fold_builtin_strcmp and fold_builtin_strncmp.
6671         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
6672         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
6673         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
6674
6675 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
6676
6677         * Makefile.in (tree-alias-common.o): Update dependencies.
6678
6679 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
6680
6681         * cfgloop.c (flow_loop_nested_p): Fix comment.
6682
6683 2004-07-17  Jason Merrill  <jason@redhat.com>
6684
6685         PR c++/16115
6686         * stor-layout.c (relayout_decl): New fn.
6687         * tree.h: Declare it.
6688         (DECL_BY_REFERENCE): New macro.
6689
6690 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
6691
6692         * libgcc2.c (__enable_execute_stack): New symbol.
6693         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
6694         and declare __enable_execute_stack.
6695         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
6696         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
6697         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
6698         ENABLE_EXECUTE_STACK.
6699         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
6700         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
6701         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
6702         ENABLE_EXECUTE_STACK.
6703         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6704         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
6705         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
6706         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
6707         ENABLE_EXECUTE_STACK.
6708         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6709         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6710         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6711         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6712         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
6713         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
6714         (sparc64_initialize_trampoline): Likewise.
6715         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
6716
6717 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
6718
6719         * langhooks.h (builtin_function): New langhook.
6720         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
6721         (LANG_HOOKS_INITIALIZER): Update.
6722         * tree.h (builtin_function): Remove.
6723         * doc/tm.texi: Update.
6724         * c-tree.h (builtin_function): Declare.
6725         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
6726         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
6727         config/ia64/ia64.c, config/iq2000/iq2000.c,
6728         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
6729         config/stormy16/stormy16.c: All callers of builtin_function
6730         changed.
6731
6732 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
6733
6734         PR target/16556
6735         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
6736         Remove white space after the backslash.
6737
6738 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
6739
6740         PR rtl-optimization/16294
6741         * resource.c (return_insn_p): New predicate.
6742         (mark_target_live_regs): Use it.  Special-case return insns.
6743         (init_resource_info): Use it.  Don't scan the epilogue past
6744         a return.
6745
6746 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6747
6748         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
6749         destroy dominance information.
6750         * passes.c (rest_of_handle_loop2):  Free dominance information.
6751         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
6752         jump threading.
6753         (thread_jumps): Update dominance information and remove unreachable
6754         blocks.
6755         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
6756         information and remove the unreachable block.
6757
6758 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
6759
6760         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
6761
6762 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
6763
6764         * doc/sourcebuild.texi: Remove libf2c entry.
6765
6766 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
6767
6768         * config/i386/i386.md (movv16qi_internal): Fix typo.
6769
6770 2004-07-17  Steven Bosscher  <stevenb@suse.de>
6771
6772         * final.c (final_scan_insn): Fix broken commit from previous
6773         patch.
6774
6775 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
6776
6777         * c-typeck.c (parser_build_binary_op): Condition warnings for
6778         X<=Y<=Z on -Wparentheses instead of -Wextra.
6779         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
6780         supported for C only.
6781
6782 2004-07-17  Steven Bosscher  <stevenb@suse.de>
6783
6784         * cfgcleanup.c (try_simplify_condjump): Don't remove line
6785         notes to avoid unreachable code warnings.
6786         * toplev.c (backend_init): Don't emit line notes for
6787         unreachable code warnings.
6788
6789         * combine.c (distribute_notes): Don't distribute a
6790         REG_VTABLE_REF note.
6791         * final.c (final_scan_insn): Don't handle it.
6792         * rtl.c (reg_note_name): Remove it.
6793         * rtl.h (enum reg_node): Dito.
6794
6795         * emit-rtl.c (force_line_numbers, restore_line_number_status):
6796         Remove.
6797         * rtl.h (force_line_numbers, restore_line_number_status):
6798         Remove prototypes.
6799
6800         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
6801         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
6802         (using_eh_for_cleanups): Also moved here.
6803
6804         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
6805         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
6806         to expand_start_case and add_case_node.
6807         * stmt.c (struct nesting): Cleanup unused fields condition_code,
6808         last_unconditional_cleanup, nominal_type, printname, and
6809         line_number_status.
6810         (struct fixup_goto): Remove.
6811         (struct stmt_status): Remove x_goto_fixup_chain field.
6812         (goto_fixup_chain): Remove.
6813         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
6814         pushcase, pushcase_range): Remove.
6815         (expand_start_bindings_and_block): Don't set unused fields in
6816         the nesting stack.
6817         (expand_start_case, add_case_node): Cleanup unused formal arguments.
6818         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
6819         instead of emit_jump_if_reachable.
6820         (emit_case_nodes): Likewise.
6821         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
6822         static.
6823         (update_eh_label): Work around left-over exception handing regions.
6824         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
6825         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
6826         (pass_cleanup_cfg_post_optimizing): New pass.
6827         (init_tree_optimization_passes): Run the new pass after all
6828         optimizations.
6829         * tree.h (pushcase, pushcase_range): Remove prototypes.
6830         (expand_start_case, add_case_node): Update prototypes.
6831
6832 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
6833
6834         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
6835
6836 2004-07-16  Richard Henderson  <rth@redhat.com>
6837
6838         * builtins.c (std_expand_builtin_va_arg): Remove.
6839         (expand_builtin_va_arg): Remove.
6840         * expr.h: Don't declare them.
6841         * gimplify.c (mark_decls_volatile_r): Remove.
6842         (copy_if_shared_r): Don't call it.
6843         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
6844         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
6845         * gimple-low.c (lower_stmt): Likewise.
6846         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
6847         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
6848         * tree-ssa-operands.c (get_expr_operands): Likewise.
6849         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
6850         EXPAND_BUILTIN_VA_ARG.
6851         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
6852         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
6853         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
6854         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
6855
6856 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
6857
6858         * tree-ssa-pre.c (insert_aux): Break out if we hit
6859         a critical edge.
6860
6861 2004-07-16  Richard Henderson  <rth@redhat.com>
6862
6863         * basic-block.h (remove_fake_exit_edges): Declare.
6864         * cfganal.c (remove_fake_predecessors): Rename from
6865         remove_fake_successors; iterate over predecessors.
6866         (remove_fake_exit_edges): New.
6867         * cfgcleanup.c (try_optimize_cfg): Use it.
6868         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
6869         * predict.c (estimate_probability): Likewise.
6870         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
6871         * tree-cfg.c (make_edges): Likewise.
6872         * tree-ssa-pre.c (fini_pre): Likewise.
6873         * profile.c (instrument_edges): Don't remove_fake_edges.
6874         (branch_prob): Do it earlier here.
6875
6876 2004-07-16  Richard Henderson  <rth@redhat.com>
6877
6878         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
6879         switchification wrt CONSTRUCTOR.  Document the reason.
6880
6881 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
6882
6883         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
6884         that prevented descriptive __mf_check source location strings.
6885
6886 2004-07-16  Richard Henderson  <rth@redhat.com>
6887
6888         * tree-def (WITH_SIZE_EXPR): New.
6889         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
6890         * expr.c (expand_expr_real_1): Likewise.
6891         * gimplify.c (maybe_with_size_expr): New.
6892         (gimplify_arg, gimplify_modify_expr): Use it.
6893         (gimplify_modify_expr_to_memcpy): Take size parameter.
6894         (gimplify_modify_expr_to_memset): Likewise.
6895         (gimplify_expr): Handle WITH_SIZE_EXPR.
6896         * tree-alias-common.c (find_func_aliases): Likewise.
6897         * tree-eh.c (tree_could_trap_p): Likewise.
6898         (tree_could_throw_p): Likewise.
6899         * tree-gimple.c (is_gimple_lvalue): Likewise.
6900         (get_call_expr_in): Likewise.
6901         * tree-inline.c (estimate_num_insns_1): Likewise.
6902         (expand_calls_inline): Likewise.
6903         * tree-nested.c (convert_call_expr): Likewise.
6904         * tree-pretty-print.c (dump_generic_node): Likewise.
6905         * tree-sra.c (sra_walk_expr): Likewise.
6906         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
6907         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
6908         * tree-ssa-operands.c (get_expr_operands): Likewise.
6909         * tree-tailcall.c (find_tail_calls): Likewise.
6910
6911         * calls.c (expand_call): Reset old_stack_allocated after
6912         calling emit_stack_restore.
6913
6914 2004-07-16  Richard Henderson  <rth@redhat.com>
6915
6916         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
6917         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
6918         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
6919         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
6920         copy_res_decl_for_inlining.
6921
6922         * tree-inline.c (declare_return_variable): New modify_dest argument.
6923         Use it as the return value, when possible or manditory.  Handle
6924         TREE_ADDRESSABLE types.
6925         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
6926         replacement of CALL_EXPR.
6927
6928 2004-07-16  Richard Henderson  <rth@redhat.com>
6929
6930         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
6931         * gimple-low.c (expand_var_p): Don't check it.
6932         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
6933         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
6934         * tree-ssa-operands.c (add_stmt_operand): Likewise.
6935         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
6936         (find_referenced_vars): Don't call them.
6937         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
6938
6939 2004-07-16  Richard Henderson  <rth@redhat.com>
6940
6941         * function.c (pass_by_reference): True for all variable sized types.
6942
6943 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
6944
6945         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
6946         * tree-pretty-print.c: Include tree-chrec.h.
6947         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
6948         and POLYNOMIAL_CHREC nodes.
6949
6950 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
6951
6952         * builtins.c (expand_builtin_stpcpy): Do not create temporary
6953         reg with VOIDmode.
6954
6955 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
6956
6957         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
6958
6959 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6960
6961         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
6962         to BASE_REGNUM.
6963         * config/s390/s390.c: Likewise.
6964         * config/s390/s390.h: Likewise.
6965
6966 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6967
6968         * config/mips/mips.md (addsi3, adddi3): Remove special handling
6969         of $sp adds.  Remove REGNO checks from mips16 patterns.
6970
6971 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6972
6973         * config/mips/mips.md: Delete outdated comment.
6974
6975 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6976
6977         * config/mips/mips.c (get_float_compare_codes): Delete.
6978         (mips_emit_compare): New function, mostly extracted from
6979         get_float_compare_codes and gen_conditional_branch.
6980         (gen_conditional_branch, gen_conditional_move): Use it.
6981
6982 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
6983
6984         * genautomata.c (add_vect): Speedup by using integers as
6985         bit-vectors for walking through the comb_vect and finding
6986         a match.
6987
6988 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6989
6990         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
6991         operand is an uns_arith_operand; use subtraction otherwise.
6992         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
6993         not just arith_operands.
6994
6995 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6996
6997         * config/mips/mips-protos.h (gen_int_relational): Delete.
6998         (mips_emit_scc): Declare.
6999         * config/mips/mips.c (internal_test): Delete.
7000         (sle_operand, sleu_operand): New functions.
7001         (map_test_to_internal_test, gen_int_relational): Delete.
7002         (mips_emit_binary, mips_relational_operand_ok_p)
7003         (mips_emit_int_relational, mips_zero_if_equal)
7004         (mips_emit_scc): New functions.
7005         (gen_conditional_branch): Rework to use mips_emit_int_relational.
7006         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
7007         sleu_operand.
7008         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
7009         (sltu, sleu): Use mips_emit_scc.
7010         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
7011         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
7012         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
7013
7014 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7015
7016         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
7017
7018 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7019
7020         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
7021         (*sne_[sd]i): Likewise sne_[sd]i_zero.
7022         (*sgt_[sd]i): ...and sgt_[sd]i.
7023         (*slt_[sd]i): ...and slt_[sd]i.
7024         (*sgtu_[sd]i): ...and sgtu_[sd]i.
7025         (*sltu_[sd]i): ...and sltu_[sd]i.
7026         (*sleu_[sd]i): ...and sleu_[sd]i_const.
7027         Name previously unnamed mips16 patterns.  Formatting fixes.
7028
7029 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7030
7031         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
7032         (branch_type): Delete.
7033         (gen_conditional_branch, gen_conditional_move)
7034         (mips_gen_conditional_trap): Update after name change.  Get the
7035         comparison mode from cmp_operands[0].
7036         * config/mips/mips.h (cmp_type, branch_type): Delete.
7037         (cmp_operands): Renamed from branch_cmp.
7038         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
7039         name change.  Don't set branch_type.
7040         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
7041         mode class of cmp_operands[0] rather than branch_type.  Update after
7042         name change.
7043
7044 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7045
7046         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
7047         of 0...255 to 0 when inside a SET.
7048
7049 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7050
7051         * config/mips/mips.md: Remove mips16 define_peepholes.
7052
7053 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
7054
7055         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
7056         (fini_pre): Remove fake edges.
7057
7058 2004-07-15  Richard Henderson  <rth@redhat.com>
7059
7060         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
7061         (get_indirect_ref_operands, get_call_expr_operands): ... these.
7062
7063 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
7064
7065         * vec.h (VEC_address): New function.
7066
7067 2004-07-14  Jason Merrill  <jason@redhat.com>
7068
7069         PR middle-end/15885
7070         * gimplify.c (gimplify_arg): New fn, split out from...
7071         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
7072
7073 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
7074
7075         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
7076         generate code which is generated by pushqi1 now
7077         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
7078
7079 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
7080
7081         * combine.c (simplify_set): match the mode of the constant 0 with
7082         the tested operand to match the compare behaviour and the
7083         simplify_relational_operation() expectation.
7084
7085 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
7086
7087         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
7088         ("bordered"): Same.
7089
7090 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
7091
7092         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
7093         unconditionally.
7094         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
7095
7096 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
7097
7098         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
7099         calls in mips16 code.
7100
7101 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
7102
7103         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
7104         the destination of the li as well as for the neg.
7105
7106 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
7107
7108         g++/15861
7109         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
7110         * cgraph.h: Update declaration.
7111         * c-decl.c (build_cdtor): Update call with default priority.
7112         * coverage.c (create_coverage): Ditto.
7113         * tree-mudflap.c (mf_init_fndecl): New tree.
7114         (mudflap_init): Set it.
7115         (mudflap_register_call): Arrange to call __mf_init before the first
7116         __mf_register call.
7117         (mudflap_finish_file): Mark the mudflap static initializer as extra
7118         high priority, to beat all C++ static constructors.
7119
7120 2004-07-15  Jeff Law  <law@redhat.com>
7121
7122         * loop.c (check_insn_for_givs): Restore check for code labels that was
7123         accidentally deleted by a recent checkin.
7124
7125 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
7126
7127         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
7128         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
7129
7130 2004-07-14  Richard Henderson  <rth@redhat.com>
7131
7132         * print-tree.c (print_node): Fix casts last change.
7133
7134 2004-07-15  Paul Brook  <paul@codesourcery.com>
7135
7136         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
7137         to TARGET_UNWIND_INFO.
7138         * except.c (output_function_exception_table): Ditto.
7139         * except.h: Ditto.
7140         * opts.c (decode_options): Ditto.
7141         * passes.c (rest_of_handle_final): Ditto.
7142         * final.c (final_start_function): Ditto.
7143         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
7144         target hook.
7145         * targhooks.h (default_unwind_emit): Declare.
7146         * targhooks.c (default_unwind_emit): New function.
7147         * target-def.h: Define and use TARGET_UNWIND_EMIT.
7148         * target.h (struct gcc_target): Add unwind_emit.
7149         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
7150         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
7151         Remove IA64_UNWIND_EMIT.
7152         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
7153
7154 2004-07-14  Richard Henderson  <rth@redhat.com>
7155
7156         * print-tree.c (print_node): Handle SSA_NAME.
7157
7158 2004-07-14  James E Wilson  <wilson@specifixinc.com>
7159
7160         PR target/16325
7161         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
7162         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
7163
7164 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
7165
7166         * expr.c (expand_assignment): Reenable bitfield += optimizations.
7167         Use alias set 0 for memory, do proper mode calculations and adjust
7168         address for memories.
7169
7170 2004-07-14  Per Bothner  <per@bothner.com>
7171
7172         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
7173         structure with extra column field.
7174         * tree.c (expand_location):  Also fill in column field.
7175         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
7176         gets confused by the two conditionally-compiled definitions.
7177
7178 2004-07-14  Eric Christopher  <echristo@redhat.com>
7179
7180         * calls.c (expand_call): Fix typo in comment.
7181
7182 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
7183
7184         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
7185         comparision of TFmode.
7186
7187 2004-07-14  Richard Henderson  <rth@redhat.com>
7188
7189         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
7190         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
7191         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
7192         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
7193         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7194         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
7195         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7196         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7197         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7198
7199 2004-07-14  Mike Stump  <mrs@apple.com>
7200
7201         * config/darwin.h (WINT_TYPE): Define to be int to match
7202         system header files.
7203
7204 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
7205
7206         * config/xtensa/xtensa.c (function_arg_advance): Check for args
7207         that must be passed in the stack.
7208         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
7209         arguments if the size is not a constant.
7210
7211 2004-07-14  Per Bothner  <per@bothner.com>
7212
7213         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
7214         instead of EXPR_LOCUS in a boolean context, which is always true
7215         if --enable-mapped-location.
7216         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
7217
7218 2004-07-14  Richard Henderson  <rth@redhat.com>
7219
7220         * dominance.c (struct dom_info): Add fake_exit_edge.
7221         (init_dom_info): Allocate it.
7222         (free_dom_info): Free it.
7223         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
7224         in two passes.
7225         (calc_idoms): Honor fake_exit_edge.
7226
7227 2004-07-13  Jason Merrill  <jason@redhat.com>
7228
7229         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
7230         (rhs_test_for): New fn.
7231         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
7232         * tree-gimple.h: Declare them.
7233         * gimplify.c (gimplify_modify_expr): Use the new fns.
7234
7235 2004-07-14  Richard Henderson  <rth@redhat.com>
7236
7237         * config/arm/arm-protos.h (arm_va_arg): Remove.
7238         * config/arm/arm.c (arm_va_arg): Remove.
7239         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
7240         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
7241
7242 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7243
7244         * pa.c (fix_range): New function to mark a range(s) of registers as
7245         fixed registers.
7246         (override_options): Call fix_range if the -mfixed-range option string
7247         is not empty.
7248         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
7249         * doc/invoke.texi (-mfixed-range): Document new option.
7250
7251 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
7252
7253         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
7254         for TARGET_64BIT.
7255         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
7256
7257 2004-07-14  Roger Sayle  <roger@eyesopen.com>
7258
7259         * expmed.c (expand_sdiv_pow2): New function to expand signed division
7260         by a positive power of two, split out from expand_divmod.  Provide
7261         an alternate implementation when shifts are expensive.  Lower the
7262         threshold for using a branchless implementation to BRANCH_COST >= 2.
7263         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
7264
7265 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7266
7267         * tree-dfa.c (make_rename_temp): *Really* work just
7268         like create_tmp_var if called while outside SSA form.
7269
7270 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
7271
7272         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
7273         for division by zero.
7274         ("umodsi3"): Likewise.
7275
7276 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
7277
7278         * config/mips/mips.c (mips_output_move): When generating mips16 code,
7279         force loads of negative constants to be split.
7280         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
7281         Generalize SImode li/neg splitter to cope with other modes.
7282
7283 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7284
7285         * expmed.c: Remove more references to QUEUED in the comments.
7286         * expr.c: Likewise.
7287
7288 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
7289
7290         Revert:
7291         2004-07-13  Richard Henderson  <rth@redhat.com>
7292         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
7293         correctly.
7294
7295 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7296
7297         * tree-dfa.c (make_rename_temp): Work just like
7298         create_tmp_var if called while outside SSA form.
7299
7300 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7301
7302         * expr.c (enqueue_insn, finish_expr_for_function,
7303         protect_from_queue, queued_subexp_p, mark_queue,
7304         emit_insns_enqueued_after_mark, emit_queue,
7305         expand_increment): Remove.
7306         (store_constructor): Expand increment as an assignment.
7307         (expand_expr_real_1 <case PREINCREMENT_EXPR,
7308         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
7309         case POSTDECREMENT_EXPR>): Abort.
7310         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
7311         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
7312         protect_from_queue, emit_queue, queued_subexp_p): Remove.
7313         * function.h (pending_chain, x_pending_chain): Remove.
7314         * rtl.def (QUEUED): Remove.
7315
7316         * emit-rtl.c (copy_insn_1, copy_most_rtx,
7317         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
7318         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
7319         encode_units_mask): Likewise.
7320         * local-alloc.c (equiv_init_varies_p): Likewise.
7321         * rtl.c (copy_rtx): Likewise.
7322         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
7323         * simplify-rtx.c (simplify_gen_subreg): Likewise.
7324         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
7325
7326         * builtins.c (expand_builtin, expand_builtin_apply,
7327         expand_builtin_mathfn, expand_builtin_mathfn_2,
7328         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
7329         Remove calls to emit_queue and protect_from_queue.
7330         * calls.c (expand_call, precompute_arguments,
7331         precompute_register_parameters, rtx_for_function_call,
7332         store_one_arg): Likewise.
7333         * dojump.c (do_compare_and_jump, do_jump): Likewise.
7334         * explow.c (memory_address): Likewise.
7335         * expmed.c (clear_by_pieces_1, clear_storage,
7336         clear_storage_via_libcall, emit_group_load,
7337         emit_group_store, emit_store_flag,
7338         expand_expr_real_1, store_by_pieces,
7339         store_constructor, store_expr, try_casesi,
7340         try_tablejump): Likewise.
7341         * function.c (expand_pending_sizes): Likewise.
7342         * optabs.c (emit_cmp_and_jump_insns,
7343         emit_conditional_add, emit_conditional_move,
7344         expand_fix, expand_float, prepare_cmp_insn): Likewise.
7345         * stmt.c (emit_case_bit_tests,
7346         expand_asm_expr, expand_computed_goto,
7347         expand_decl_init, expand_end_case_type,
7348         expand_end_stmt_expr, expand_expr_stmt_value,
7349         expand_return, expand_start_case,
7350         optimize_tail_recursion): Likewise.
7351         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7352         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
7353
7354 2004-07-14  Ben Elliston  <bje@au.ibm.com>
7355
7356         * vec.h: Comment fix.
7357
7358 2004-07-13  Richard Henderson  <rth@redhat.com>
7359
7360         * target.h (struct gcc_target): Add calls.pass_by_reference.
7361         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
7362         * function.c (pass_by_reference): Use the hook.
7363         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
7364         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
7365         (hook_pass_by_reference_must_pass_in_stack): New.
7366         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
7367         (alpha_pass_by_reference): New.
7368         (TARGET_PASS_BY_REFERENCE): New.
7369         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7370         * config/arc/arc.c (arc_pass_by_reference): New.
7371         (TARGET_PASS_BY_REFERENCE): New.
7372         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7373         (FUNCTION_ARG_CALLEE_COPIES): True.
7374         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
7375         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
7376         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
7377         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7378         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7379         * config/cris/cris.c (cris_pass_by_reference): New.
7380         (TARGET_PASS_BY_REFERENCE): New.
7381         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
7382         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
7383         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7384         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
7385         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7386         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
7387         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
7388         (frv_function_arg_pass_by_reference): Remove.
7389         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7390         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
7391         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
7392         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
7393         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7394         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
7395         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
7396         (ia64_pass_by_reference): Rename from
7397         ia64_function_arg_pass_by_reference.
7398         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7399         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7400         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
7401         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
7402         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
7403         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7404         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7405         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
7406         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
7407         (m32r_pass_by_reference): Adjust prototype.  Make static.
7408         Handle mode sizes correctly.
7409         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7410         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
7411         (m68hc11_function_arg_pass_by_reference): Remove.
7412         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7413         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7414         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
7415         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7416         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
7417         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
7418         (mips_va_arg): Use pass_by_reference.
7419         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
7420         Handle mode sizes correctly.
7421         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7422         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7423         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
7424         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
7425         (mmix_pass_by_reference): Rename from
7426         mmix_function_arg_pass_by_reference.
7427         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7428         (FUNCTION_ARG_CALLEE_COPIES): True.
7429         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
7430         (mn10300_pass_by_reference): New.
7431         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7432         (FUNCTION_ARG_CALLEE_COPIES): True.
7433         * config/pa/pa.c (pa_pass_by_reference): New.
7434         (TARGET_PASS_BY_REFERENCE): New.
7435         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7436         (FUNCTION_ARG_CALLEE_COPIES): True.
7437         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
7438         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
7439         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
7440         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7441         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
7442         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
7443         (s390_pass_by_reference): Rename from
7444         s390_function_arg_pass_by_reference.
7445         (s390_function_arg_advance): Don't query pass-by-ref.
7446         (s390_function_arg): Likewise.
7447         (s390_gimplify_va_arg): Use pass_by_reference.
7448         (s390_call_saved_register_used): Likewise.
7449         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7450         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
7451         (shcompact_byref, sh_pass_by_reference): New.
7452         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7453         (SHCOMPACT_BYREF): Remove.
7454         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
7455         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
7456         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
7457         (sparc_gimplify_va_arg): Use pass_by_reference.
7458         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7459         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7460         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
7461         (v850_pass_by_reference): New.
7462         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7463         (FUNCTION_ARG_CALLEE_COPIES): True.
7464         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
7465         FUNCTION_ARG_PASS_BY_REFERENCE docs.
7466
7467 2004-07-14  Richard Henderson  <rth@redhat.com>
7468             Richard Sandiford  <rsandifo@redhat.com>
7469
7470         * config/mips/mips-protos.h (mips_va_arg): Delete.
7471         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
7472         * config/mips/mips.c: Include tree-gimple.h.
7473         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
7474         (mips_arg_info): Remove special handling of must_pass_in_stck args.
7475         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
7476         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
7477
7478 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
7479
7480         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
7481         arguments for COND_EXPR in big-endian adjustment code.
7482
7483 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7484
7485         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
7486         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
7487         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
7488         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
7489
7490 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
7491
7492         PR tree-optimization/16443
7493         * tree-ssa-alias.c: Add more description for
7494         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
7495         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
7496         clobbering of call-clobbered and addressable variables.  If
7497         there are any before aliases have been computed, add them.
7498
7499 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
7500
7501         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
7502         verification.
7503
7504 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
7505
7506         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
7507         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
7508         to the same type.
7509
7510 2004-07-13  Per Bothner  <per@bothner.com>
7511
7512         * collect2.c (main):  Handle --no-demangle and --demangle flags.
7513
7514 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
7515
7516         * Makefile.in (OBJS-common): Add tree-data-ref.o.
7517         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
7518         (tree-data-ref.o): New rule.
7519         * lambda.h: New file.
7520         * tree-data-ref.c: New file.
7521         * tree-data-ref.h: New file.
7522         * tree.c (int_cst_value, tree_fold_gcd): New functions.
7523         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
7524
7525 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7526
7527         PR target/13926
7528         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
7529         * config/sparc/sparc.c (output_ubranch): New function.
7530         * config/sparc/sparc.md (jump pattern): Use it.
7531
7532 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7533
7534         PR target/16494
7535         * config/sparc/sparc.c (output_cbranch): Properly guard
7536         the code handling far branches with TARGET_V9.
7537         * config/sparc/sparc.md (length attribute): Document the
7538         side-effect of having a length greater or equal to 3.
7539
7540 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7541             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
7542
7543         PR target/15186
7544         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
7545         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
7546
7547 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7548             Martin Sebor  <sebor@roguewave.com>
7549
7550         PR target/12602
7551         * doc/invoke.texi (SPARC options): Document -threads
7552         and -pthreads on Solaris.
7553
7554 2004-07-13  Richard Henderson  <rth@redhat.com>
7555
7556         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
7557         by reference.
7558         (ind_gimplify_va_arg_expr): Remove.
7559         * tree.h (ind_gimplify_va_arg_expr): Remove.
7560         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
7561         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
7562         argsp to be null.
7563
7564         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
7565         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
7566         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
7567         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
7568         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
7569
7570 2004-07-13  Richard Henderson  <rth@redhat.com>
7571
7572         * function.c (pass_by_reference): New.
7573         (assign_parm_find_data_types): Use it.
7574         * calls.c (initialize_argument_information): Likewise.
7575         (emit_library_call_value_1): Likewise.
7576         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7577         * function.h (pass_by_reference): Declare.
7578
7579 2004-07-13  Richard Henderson  <rth@redhat.com>
7580
7581         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
7582         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
7583         * expr.h (MUST_PASS_IN_STACK): Remove.
7584         * system.h (MUST_PASS_IN_STACK): Poison.
7585         * tree.h (must_pass_in_stack_var_size): Declare.
7586         (must_pass_in_stack_var_size_or_pad): Declare.
7587         * calls.c (must_pass_in_stack_var_size): New.
7588         (must_pass_in_stack_var_size_or_pad): Rename from
7589         default_must_pass_in_stack.
7590         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
7591         (TARGET_MUST_PASS_IN_STACK): New.
7592         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
7593         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
7594         (TARGET_MUST_PASS_IN_STACK): New.
7595         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
7596         * config/frv/frv.c (frv_must_pass_in_stack): New.
7597         (TARGET_MUST_PASS_IN_STACK): New.
7598         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
7599         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
7600         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
7601         (ix86_must_pass_in_stack): Make static.
7602         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
7603         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
7604         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
7605         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
7606         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
7607         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
7608         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
7609         (mcore_must_pass_on_stack): Remove.
7610         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
7611         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
7612         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
7613         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
7614         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
7615         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
7616         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
7617         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
7618         (TARGET_MUST_PASS_IN_STACK): New.
7619         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
7620         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
7621         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
7622         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
7623         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
7624         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
7625         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
7626         MUST_PASS_IN_STACK.
7627
7628         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
7629         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
7630         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
7631         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
7632         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
7633         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
7634         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
7635         config/xtensa/xtensa.c: Use target hook.
7636
7637 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
7638
7639         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
7640         * configure: Rebuilt.
7641
7642 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
7643
7644         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
7645         * config/mips/mips.h (mips_reg_names): Don't declare.
7646         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
7647         (TARGET_NAME_REGS): Delete.
7648         (TARGET_SWITCHES): Remove -mrnames.
7649         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
7650         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
7651         in REGISTER_NAMES.
7652         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
7653         (override_options): Remove handling of TARGET_NAME_REGS.
7654
7655 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
7656
7657         * config/mips/mips.h (TARGET_*): Boolify.
7658
7659 2004-07-12  Nick Clifton  <nickc@redhat.com>
7660
7661         * config.gcc: Add sh-*-symbianelf target.
7662         * config/sh/sh.c: Add new target macros:
7663         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
7664         TARGET_CXX_IMPORT_EXPORT_CLASS.
7665         (sh_file_start): Create a definition of the .directive section.
7666         (sh_attribute): Add dllimport and dllexport attributes.
7667         * config/sh/symbian-pre.h: New file.
7668         * config/sh/symbian-post.h: New file.
7669         * config/sh/symbian.c: New file. Contains Symbian specific
7670         functions.
7671         * config/sh/sh-protos.h: Add prototypes for new functions
7672         provided by symbian.c.
7673         * config/sh/t-symbian: New file.
7674         * doc/extend.texi: Document support for dllimport and dllexport
7675         attributes by the sh-symbianelf target.
7676
7677 2004-07-12  James E Wilson  <wilson@specifixinc.com>
7678
7679         * Makefile.in (AR): Use @AR@ not ar.
7680         (NM): New.
7681         (AR_FOR_TARGET): Use $(AR) not ar for native.
7682         (NM_FOR_TARGET): Use $(NM) not nm for native.
7683         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
7684         * configure: Regenerate.
7685
7686 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
7687
7688         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
7689         special case.
7690         (ashldi3_sp64): Likewise.
7691
7692 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7693
7694         PR target/16477
7695         * pa.c (function_arg): Update comment.
7696         * pa.h (BLOCK_REG_PADDING): Define.
7697
7698 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7699
7700         PR tree-optimization/16461
7701         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
7702         arguments of phi nodes.
7703
7704 2004-07-12  Devang Patel  <dpatel@apple.com>
7705
7706         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
7707
7708 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
7709
7710         * function.c (expand_function_start): Ensure r_save is in Pmode.
7711         * calls.c (prepare_call_address): Ensure static_chain_value is
7712         in Pmode.
7713         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
7714         r_save_area are in Pmode.
7715         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
7716         fnaddr, and static_chain are in Pmode.
7717
7718 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
7719
7720         PR target/16445
7721         * config/ia64/ia64.c (bundling): Don't count ignored insns.
7722
7723 2004-07-12  Richard Henderson  <rth@redhat.com>
7724
7725         * target.h (struct gcc_target): Move gimplify_va_arg_expr
7726         next to build_builtin_va_list.
7727         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
7728         * builtins.c (gimplify_va_arg_expr): Likewise.
7729         * gimplify.c (copy_if_shared_r): Likewise.
7730
7731 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
7732
7733         * passes.c (rest_of_decl_compilation): Don't defer call of
7734         assemble_variable if its DECL_RTL is already set.
7735
7736 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
7737
7738         * cfgloop.h (struct loop): Add nb_iterations field.
7739         (current_loops): Declare.
7740         * tree-chrec.c (chrec_not_analyzed_yet,
7741         chrec_dont_know, chrec_known, count_ev_in_wider_type,
7742         chrec_contains_symbols_defined_in_loop): Remove the temporary
7743         hooks.
7744         * tree-flow-inline.h (loop_containing_stmt): New function.
7745         * tree-scalar-evolution.c: Add implementation.
7746         * tree-scalar-evolution.h: Add declarations.
7747
7748 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
7749
7750         PR rtl-optimization/15921
7751         * Makefile.in (global.o): Add recog.h.
7752
7753         * global.c (recog.h): Add the include-clause.
7754         (bb_info): New member earlyclobber.
7755         (allocate_bb_info, free_bb_info): Initialize/finish the new
7756         member.
7757         (earlyclobber_regclass, earlyclobber_regclass_length): The new
7758         global variables.
7759         (check_earlyclobber, regclass_intersect,
7760         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
7761         New functions.
7762         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
7763         (make_accurate_live_analysis): Modify pavin.
7764
7765 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
7766
7767         * tree-cfg.c (find_taken_edge): Statically compute the truth
7768         value of a predicate comparing an SSA_NAME to itself.
7769
7770 2004-07-12  Roger Sayle  <roger@eyesopen.com>
7771
7772         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
7773         rs6000 doesn't have shift-and-add or shift-and-sub instructions
7774         by returning the cost of a multiplication plus an addition.
7775
7776 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
7777
7778         PR tree-optimization/14107
7779         * gimplify.c (gimplify_return_expr): Accept a
7780         RETURN_EXPR with an error argument.
7781         * tree-optimize.c (init_tree_optimization_passes):
7782         Run pass_warn_function_return at -O0.
7783
7784 2004-07-12  Roger Sayle  <roger@eyesopen.com>
7785
7786         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
7787         index entry.
7788
7789 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
7790
7791         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
7792         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7793         * config/mips/3000.md: Add copyright notice.  Remove automota and
7794         function units; use generic ones instead.  Only define reservations
7795         for things that are different from generic.md.  Extend each clause
7796         to include r3900.
7797         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
7798         * config/mips/mips.md: Include them. Remove define_function_units.
7799         (alu, imuldiv): New automata and units.
7800
7801 2004-07-12  Ben Elliston  <bje@au.ibm.com>
7802
7803         * doc/invoke.texi (Optimize Options): Document -frename-registers
7804         not being enabled by default at -O3.
7805
7806 2004-07-11  Roger Sayle  <roger@eyesopen.com>
7807
7808         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
7809         floating point additions, to keep real immediate constant positive.
7810         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
7811         into X + C, and leave positive real constants as X - C.
7812
7813 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7814
7815         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
7816
7817 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7818
7819         PR tree-optimization/15654
7820         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
7821
7822 2004-07-11  Roger Sayle  <roger@eyesopen.com>
7823
7824         * builtins.c (fold_builtin_fputs): Don't bother converting the
7825         return type to integer_type_node, as we've already checked that
7826         the result will be ignored.
7827
7828         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
7829         that signed addition, subtraction, multiplication, division,
7830         remainder, negation and absolute value may potentially trap.
7831
7832         * fold-const.c (fold_ignored_result): New function to strip
7833         non-side-effecting tree nodes from an expression whose result
7834         is ignored.
7835         (fold_convert): Call fold_ignored_result when casting a value
7836         to VOID_TYPE.
7837         (omit_one_operand):  Call fold_ignored_result on the "omitted"
7838         operand when building a COMPOUND_EXPR.
7839         (pedantic_omit_one_operand): Likewise.
7840         * tree.h (fold_ignored_result): Prototype here.
7841         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
7842         when we're going to ignore the result.
7843
7844 2004-07-11  Richard Henderson  <rth@redhat.com>
7845
7846         PR tree-opt/16383
7847         * tree-ssa-ccp.c (fold_stmt_r): Split out...
7848         * tree.c (fields_compatible_p, find_compatible_field): ... new.
7849         * tree.h (fields_compatible_p, find_compatible_field): Declare.
7850         * tree-sra.c (sra_hash_tree): Hash fields by offset.
7851         (sra_elt_eq): Use fields_compatible_p.
7852         (generate_one_element_ref): Use find_compatible_field.
7853
7854 2004-07-11  Richard Henderson  <rth@redhat.com>
7855
7856         PR tree-opt/16422
7857         * tree-sra.c (generate_one_element_init): New.
7858         (generate_element_init): Use it.
7859         (scalarize_init): Push/pop gimplify context around it.
7860         (find_new_referenced_vars_1, find_new_referenced_vars): New.
7861         * gimplify.c (gimplify_expr): Allow SSA_NAME.
7862
7863 2004-07-11  Roger Sayle  <roger@eyesopen.com>
7864
7865         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
7866         combine.c's combine_insn_cost.
7867         * rtl.h (insn_rtx_cost): Prototype here.
7868         * combine.c (combine_insn_cost): Delete function.
7869         (combine_validate_cost): Update callers of combine_insn_cost to
7870         call insn_rtx_cost instead.
7871         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
7872         requesting the rtx_cost of call and/or jump instructions.
7873
7874         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
7875         rtx_cost directly.  Don't request/use the cost of call or jump
7876         instructions.  Return -1 if the cost of any instruction can't be
7877         determined (or the BB contains a function call).
7878         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
7879         -1 (i.e. can't determine the cost of any instruction or the basic
7880         block contains a subroutine call).
7881         (find_if_case_2): Likewise.
7882
7883 2004-07-11  Roger Sayle  <roger@eyesopen.com>
7884
7885         * rs6000.c (struct processor_costs): Change semantics of fields to
7886         include the COST_N_INSNS scaling, and update all initializers.
7887         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
7888         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
7889         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
7890         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
7891
7892 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7893
7894         * LANGUAGES: Remove obsolete information.
7895
7896 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
7897
7898         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
7899         SIGBUS signal frames, the PSW address points *to* the faulting
7900         instruction, not after it.
7901
7902 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
7903
7904         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
7905         added to TLS symbol addresses.
7906
7907 2004-07-11  Richard Henderson  <rth@redhat.com>
7908
7909         * expmed.c (init_expmed): Use stack-local structures for
7910         temporary rtl.  Don't recognize shifts.
7911
7912 2004-07-11  Richard Henderson  <rth@redhat.com>
7913
7914         * expr.c (store_expr): Don't fiddle subreg promotion for types
7915         with precision smaller than the mode.
7916
7917 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7918
7919         * tree.h (all_types_permanent): Remove.
7920
7921 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7922
7923         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
7924         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
7925         * langhooks.c (lhd_clear_binding_stack): Remove.
7926         * langhooks-def.h (lhd_clear_binding_stack,
7927         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
7928         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
7929         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
7930         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
7931         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
7932         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
7933         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
7934         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
7935         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
7936         * tree.h (poplevel): Don't declare.
7937         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
7938         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
7939         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
7940         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
7941         Remove.
7942
7943 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7944
7945         PR tree-optimization/16437
7946         * c-common.c (shorten_compare): Don't mark result of conversion to
7947         narrower signed type as overflowing.
7948         * fold-const.c (decode_field_reference): Determine whether
7949         signedness comes from outer type using precision rather than size.
7950
7951 2004-07-11  Phil Edwards  <phil@codesourcery.com>
7952
7953         * configure.ac:  Alphabetize --enable-checking list, add
7954         missing valgrind entry.
7955         * configure:  Regenerate.
7956
7957 2004-07-11  Phil Edwards  <phil@codesourcery.com>
7958
7959         * doc/install.texi (Testing):  Fix syntax in "make check" example.
7960
7961 2004-07-10  James E Wilson  <wilson@specifixinc.com>
7962
7963         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
7964
7965 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7966
7967         PR rtl-optimization/16001
7968         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
7969         niter_expr.
7970
7971 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
7972
7973         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
7974
7975 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
7976             James Morrison  <phython@gcc.gnu.org>
7977
7978         * doc/contrib.texi (Contributors): Add gfortran contributors and
7979         fix a couple of typos.
7980
7981 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7982
7983         PR rtl-optimization/15387
7984         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
7985         to incoming args space correctly.
7986
7987 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7988
7989         * pa.c (output_indirect_call): Only use %r2 as the link register in
7990         indirect calls with the long PA 2.0 pc-relative branch.
7991
7992 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
7993
7994         * config/i386/i386.c (override_options): Pick a 64-bit CPU
7995         for the default tuning if TARGET_64BIT.
7996
7997 2004-07-10  Richard Henderson  <rth@redhat.com>
7998
7999         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
8000         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
8001
8002 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
8003
8004         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
8005         * expmed.c (store_bit_field, extract_bit_field): Remove last
8006         argument.
8007         * builtins.c (expand_builtin_signbit): Adjust callers.
8008         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
8009         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
8010         * ifcvt.c (noce_emit_move_insn): Likewise.
8011         * stmt.c (expand_return): Likewise.
8012         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
8013         store_field, expand_expr_real_1): Likewise.
8014
8015 2004-07-10  Richard Henderson  <rth@redhat.com>
8016
8017         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
8018
8019 2004-07-09  Mike Stump  <mrs@apple.com>
8020
8021         * config/darwin.c (no_dead_strip): Add.
8022         (HAVE_DEAD_STRIP): Add.
8023         (darwin_emit_unwind_label): Ensure that we don't dead code strip
8024         the .eh label.
8025
8026 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8027
8028         * tree-ssa-loop-im.c: New file.
8029         * Makefile.in (tree-ssa-loop-im.o): Add.
8030         * cfgloop.c (superloop_at_depth): New function.
8031         * cfgloop.h (superloop_at_depth): Declare.
8032         * common.opt (ftree-lim): New flag.
8033         * expr.c (array_ref_up_bound): New function.
8034         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
8035         * timevar.def (TV_LIM): New timevar.
8036         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
8037         computing immediate uses of a phi node.
8038         * tree-flow.h (struct tree_ann_common_d): Add aux field.
8039         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
8040         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
8041         * tree-pass.h (pass_lim): Declare.
8042         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
8043         functions.
8044         (pass_lim): New pass structure.
8045         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
8046         * tree.c (in_array_bounds_p): New function.
8047         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
8048         (in_array_bounds_p, array_ref_up_bound): Declare.
8049         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
8050         * doc/passes.texi (tree-ssa-loop-im.c): Document.
8051
8052 2004-07-09  Richard Henderson  <rth@redhat.com>
8053
8054         * builtins.c (expand_builtin_stpcpy): Don't modify len.
8055
8056         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
8057         with prejudice.
8058
8059 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
8060
8061         * flags.h: Delete redundant prototypes that are being generated
8062         in options.h from common.opt.
8063         * common.opt: Add in the expository comments formerly in flags.h.
8064
8065 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8066
8067         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
8068         available for use only when TARGET_MMX/_SSE is set, and check for
8069         variable argument function if any register count is non-zero.
8070         (function_arg): Correctly suppress repeated warnings for passing SSE
8071         vectors are arguments without SSE enabled.
8072         (ix86_function_arg_boundary): Without SSE enabled, the use of what
8073         would be SSE register modes does no longer influence the alignment.
8074
8075 2004-07-09  Richard Henderson  <rth@redhat.com>
8076
8077         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
8078         Always align upward to arg boundary.  Use size_in_bytes/round_up.
8079         Maintain type-correctness of constants.
8080         * stor-layout.c (round_up, round_down): Special-case powers of 2.
8081
8082 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
8083
8084         * config/sparc/sparc.c (*_costs): Scale instruction costs
8085         by COSTS_N_INSNS.
8086         (sparc_rtx_costs): Adjust as appropriate.
8087
8088 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8089
8090         * config/i386/mm3dnow.h: New.
8091         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
8092
8093 2004-07-09  Richard Henderson  <rth@redhat.com>
8094
8095         * simplify-rtx.c (simplify_const_relational_operation): Only
8096         look at bounds of scalar integers.
8097
8098 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8099
8100         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
8101
8102 2004-07-09  Andrew Pinski  <apinski@apple.com>
8103
8104         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
8105         always referenced.
8106         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
8107         UOBJC_METACLASS_decl.
8108
8109 2004-07-09  James E Wilson  <wilson@specifixinc.com>
8110
8111         PR target/16364
8112         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
8113         do return a parallel if hfa_mode == XFmode and mode == TImode.
8114
8115 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8116
8117         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
8118         permissible for unary plus.
8119
8120 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8121
8122         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
8123         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
8124         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
8125         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
8126         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
8127         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
8128         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
8129         (BUILTIN_xxxIMAX): New.
8130         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
8131         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
8132         BUILT_IN_PARITYIMAX.
8133
8134 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
8135
8136         * config/sparc/sparc.h (processor_costs): Define.
8137         (sparc_costs): Declare.
8138         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
8139         hypersparc_costs, sparclet_costs, ultrasparc_costs,
8140         ultrasparc3_costs): New.
8141         (sparc_override_options): Set sparc_costs as appropriate.
8142         (sparc_rtx_costs): Use sparc_costs instead of messy
8143         conditionals.
8144
8145 2004-07-09  Steven Bosscher  <stevenb@suse.de>
8146
8147         * doc/md.texi (Processor pipeline description): Mention that
8148         the old pipeline description is deprecated.
8149
8150         * config/rs6000/7450.md (automaton ppc7450): Split up, move
8151         mciu_7450 function unit to...
8152         (automaton ppc7450mciu): ...new automaton.
8153
8154         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
8155         (schedule_block): Don't consider inserting bubbles.
8156         (sched_init): Don't initialize DFA bubbles.
8157         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
8158         TARGET_SCHED_DFA_BUBBLE): Remove.
8159         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
8160         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
8161         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
8162
8163         * stmt.c (conditional_context): Remove prototype.
8164         * tree.h (conditional_context): Remove.
8165         * tree-cfg.c (pre_insert_on_edge): Remove.
8166
8167         * c-common.h (c_expand_asm_operands): Remove prototype.
8168         * c-typeck.c (c_expand_asm_operands): Remove.
8169
8170 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8171
8172         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
8173         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
8174         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
8175         and V8QI are class SSE. All sufficiently small remaining vector modes
8176         must be passed in one or two integer registers.
8177         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
8178         returned in memory.
8179         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
8180         __builtin_ia32_pmuludq128 have non-uniform argument and return types
8181         and must thus be handled explicitly.
8182         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
8183         MMX and XMM regs.
8184         (movv8qi_internal, movv4hi_internal, movv2si_internal,
8185         movv2sf_internal): Permit moving between MMX and XMM registers (since
8186         MMX areguments and return values are passed in XMM registers).
8187         (sse2_umulsidi3): Correct type and mode.
8188
8189 2004-07-09  Richard Henderson  <rth@redhat.com>
8190
8191         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
8192
8193 2004-07-09  Eric Christopher  <echristo@redhat.com>
8194
8195         * config/rs6000/40x.md: Split into two automatons.
8196
8197 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
8198             Andrew Pinski  <apinski@apple.com>
8199
8200         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
8201         on when we have more than one input file.
8202         (c_common_parse_file): Restore loop over all input files.
8203         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
8204
8205         * c-decl.c (set_type_context): New function.
8206         (pop_scope): Use it to set context of types.  When we
8207         encounter a TYPE_DECL, set the context of the attached type too.
8208         (pop_file_scope): Don't call cpp_undef_all here.
8209         (diagnose_mismatched_decls): Do not complain about a second
8210         definition of an 'extern inline' function if it's not in the
8211         same translation unit.  Do not complain about inline
8212         declaration after use if the use was in a different
8213         translation unit.
8214         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
8215         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
8216         the external scope.
8217         (pushdecl_top_level): Likewise.
8218         (grokdeclarator): Clarify what is going on with setting
8219         DECL_EXTERNAL on function types, a little.
8220         (c_write_global_declarations): Don't do anything if
8221         -fsyntax-only or errors have been encountered.
8222
8223 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
8224
8225         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
8226
8227 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8228
8229         PR target/16459
8230         * pa.c (output_indirect_call): Use %r2 as the link register when
8231         calling $$dyncall with a pc-relative branch.
8232
8233 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
8234
8235         * doc/install.texi (Binaries): Mention OpenPKG.
8236
8237 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
8238
8239         Fix PR tree-optimization/15555
8240         * tree-dfa.c (dump_variable): If the variable is a pointer
8241         SSA_NAME, also dump its points-to information.
8242         * tree-flow.h (struct ptr_info_def): Add field
8243         is_dereferenced.
8244         (dump_points_to_info_for): Declare.
8245         (debug_points_to_info_for): Declare.
8246         * tree-optimize.c (init_tree_optimization_passes): Add a
8247         second alias analysis pass after DOM2.
8248         Move pass_del_pta to a later spot.
8249         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
8250         create a name tags when we find a dereferenced pointer.  Just
8251         mark the pointer dereferenced.
8252         (collect_points_to_info_for): Move code to clear points-to
8253         information to create_name_tags.
8254         (create_name_tags): New function.
8255         (compute_flow_sensitive_aliasing): Call it.
8256         (setup_pointers_and_addressables): Mark type tags for renaming
8257         here instead of ...
8258         (create_memory_tag): ... here.
8259         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
8260         (dump_points_to_info_for): Declare extern.
8261         (debug_points_to_info_for): New function.
8262
8263 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
8264
8265         * config/arc/arc.md: Switch to DFA-based scheduler description.
8266         * config/arc/arc.c: Switch to DFA-based scheduler description.
8267
8268 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8269
8270         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
8271         pointer.
8272
8273 2004-07-09  Richard Henderson  <rth@redhat.com>
8274
8275         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
8276         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8277         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
8278         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
8279
8280         * config/v850/v850-protos.h (v850_va_arg): Remove.
8281         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8282         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
8283         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
8284         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
8285         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
8286
8287 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8288
8289         PR target/12133
8290         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
8291         and DImode to use +/-4k offset.
8292
8293 2004-07-09  Richard Henderson  <rth@redhat.com>
8294
8295         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
8296         Remove.
8297         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8298         (xstormy16_gimplify_va_arg_expr): Rewrite from
8299         xstormy16_expand_builtin_va_arg.
8300         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
8301
8302         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
8303         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
8304
8305         * config/sh/sh-protos.h (sh_va_arg): Remove.
8306         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8307         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
8308         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
8309
8310         * config/pa/pa-protos.h (hppa_va_arg): Remove.
8311         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8312         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
8313         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
8314
8315         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
8316         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8317         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
8318         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
8319
8320 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8321
8322         * config/sparc/sparc.md (return): Rewrite length formula.
8323         * config/sparc/sparc.c (output_return): Pass 1 as 5th
8324         argument to final_scan_insn when in a delay slot.
8325         (output_sibcall): Likewise.
8326
8327 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8328
8329         * arm.c (arm_cpp_interwork): New variable.
8330         (arm_override_options): Set it if TARGET_INTERWORK was on the command
8331         line.
8332         * arm.h (arm_cpp_interwork): Declare it.
8333         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
8334         __THUMB_INTERWORK__ in the preprocessor.
8335
8336 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
8337
8338         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
8339
8340 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8341
8342         PR target/16416
8343         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
8344         Override default settings to account for -m32 and -m64.
8345
8346 2004-07-08  Randolph Chung  <tausq@debian.org>
8347
8348         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
8349
8350 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
8351
8352         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
8353         before comparing it as such.
8354
8355 2004-07-08  Richard Henderson  <rth@redhat.com>
8356
8357         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
8358         temporary.  Use bit arithmetic to align.
8359
8360 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
8361
8362         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
8363         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
8364         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
8365         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
8366         add_labels_and_missing_jumps, find_jump_block,
8367         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
8368         Likewise.
8369         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
8370         link_btr_uses, move_btr_def): Likewise.
8371         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
8372         expand_builtin_expect_jump): Likewise.
8373         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
8374         * calls.c (expand_call, emit_library_call_value_1): Likewise.
8375         * cfganal.c (forwarder_block_p): Likewise.
8376         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
8377         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
8378         find_bb_boundaries): Likewise.
8379         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
8380         merge_blocks_move_predecessor_nojumps,
8381         merge_blocks_move_successor_nojumps, insns_match_p,
8382         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
8383         try_optimize_cfg): Likewise.
8384         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
8385         * cfglayout.c (skip_insns_after_block, label_for_bb,
8386         record_effective_endpoints, insn_locators_initialize,
8387         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
8388         * cfgmainloop.c (create_loop_notes): Likewise.
8389         * cfgrtl.c (delete_insn, delete_insn_chain,
8390         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
8391         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
8392         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
8393         redirect_branch_edge, force_nonfallthru_and_redirect,
8394         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
8395         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
8396         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
8397         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
8398         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
8399         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
8400         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
8401         * combine.c (combine_instructions, can_combine_p, try_combine,
8402         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
8403         distribute_notes, distribute_links, insn_cuid): Likewise.
8404         * cse.c (fold_rtx, cse_insn, cse_around_loop,
8405         invalidate_skipped_block, cse_set_around_loop,
8406         cse_end_of_basic_block, cse_main, cse_basic_block,
8407         cse_condition_code_reg): Likewise.
8408         * cselib.c (cselib_process_insn): Likewise.
8409         * ddg.c (create_ddg): Likewise.
8410         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
8411         Likewise.
8412         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
8413         gen_label_die, dwarf2out_var_location): Likewise.
8414         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
8415         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
8416         last_call_insn, active_insn_p, next_label, prev_label,
8417         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
8418         add_insn_before, remove_insn, add_function_usage_to,
8419         reorder_insns, find_line_note, remove_unnecessary_notes,
8420         emit_insn_after_1, classify_insn): Likewise.
8421         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
8422         connect_post_landing_pads, sjlj_mark_call_sites,
8423         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
8424         can_throw_internal, can_throw_external, set_nothrow_function_flags,
8425         convert_to_eh_region_ranges): Likewise.
8426         * explow.c (optimize_save_area_alloca): Likewise.
8427         * expr.c (expand_expr_real): Likewise.
8428         * final.c (insn_current_reference_address, compute_alignments,
8429         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
8430         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
8431         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
8432         propagate_block_delete_insn, propagate_one_insn,
8433         init_propagate_block_info, propagate_block, libcall_dead_p,
8434         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
8435         Likewise.
8436         * function.c (instantiate_virtual_regs, reorder_blocks_1,
8437         expand_function_start, expand_function_end, contains,
8438         thread_prologue_and_epilogue_insns,
8439         reposition_prologue_and_epilogue_notes): Likewise.
8440         * gcse.c (constprop_register, bypass_conditional_jumps,
8441         insert_insn_end_bb, gcse_after_reload): Likewise.
8442         * genemit.c (gen_expand, gen_split): Likewise.
8443         * genpeep.c (gen_peephole, main): Likewise.
8444         * global.c (build_insn_chain): Likewise.
8445         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
8446         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
8447         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
8448         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
8449         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
8450         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
8451         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
8452         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
8453         dead_or_predicable): Likewise.
8454         * integrate.c (try_constants): Likewise.
8455         * jump.c (rebuild_jump_labels, cleanup_barriers,
8456         purge_line_number_notes, init_label_info, mark_all_labels,
8457         squeeze_notes, get_label_before, get_label_after,
8458         reversed_comparison_code_parts, simplejump_p, pc_set,
8459         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
8460         delete_barrier, delete_prior_computation, delete_computation,
8461         delete_related_insns, delete_for_peephole, redirect_jump):
8462         Likewise.
8463         * lcm.c (optimize_mode_switching): Likewise.
8464         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
8465         Likewise.
8466         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
8467         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
8468         * loop-iv.c (simplify_using_assignment): Likewise.
8469         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
8470         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
8471         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
8472         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
8473         check_insn_for_givs, check_final_value, update_giv_derive,
8474         basic_induction_var, product_cheap_p, check_dbra_loop,
8475         loop_insn_first_p, last_use_this_basic_block,
8476         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
8477         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
8478         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
8479         sms_schedule_by_order): Likewise.
8480         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
8481         * postreload.c (reload_cse_simplify_operands, reload_combine,
8482         reload_cse_move2add): Likewise.
8483         * predict.c (can_predict_insn_p, estimate_probability,
8484         expected_value_to_br_prob, process_note_predictions): Likewise.
8485         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
8486         * profile.c (branch_prob): Likewise.
8487         * ra-build.c (live_out_1, livethrough_conflicts_bb,
8488         detect_webs_set_in_cond_jump): Likewise.
8489         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
8490         ra_print_rtl_with_bb): Likewise.
8491         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
8492         * recog.c (next_insn_tests_no_inequality, find_single_use,
8493         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
8494         * reg-stack.c (next_flags_user, record_label_references,
8495         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
8496         compensate_edge, convert_regs_1): Likewise.
8497         * regclass.c (scan_one_insn): Likewise.
8498         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
8499         regmove_optimize, fixup_match_1, single_set_for_csa,
8500         combine_stack_adjustments_for_block): Likewise.
8501         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
8502         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
8503         find_equiv_reg): Likewise.
8504         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
8505         reload_as_needed, emit_input_reload_insns, do_output_reload,
8506         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
8507         Likewise.
8508         * reorg.c (find_end_label, emit_delay_sequence,
8509         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
8510         get_jump_flags, rare_destination, mostly_true_jump,
8511         try_merge_delay_insns, redundant_insn, own_thread_p,
8512         fill_simple_delay_slots, fill_slots_from_thread,
8513         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
8514         dbr_schedule): Likewise.
8515         * resource.c (find_basic_block, next_insn_no_annul,
8516         find_dead_or_set_registers, mark_target_live_regs): Likewise.
8517         * rtl.h (RTX_PREV): Likewise.
8518         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
8519         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
8520         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
8521         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
8522         tablejump_p, computed_jump_p, insns_safe_to_move_p,
8523         find_first_parameter_load, can_hoist_insn_p): Likewise.
8524         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
8525         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
8526         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
8527         schedule_ebbs): Likewise.
8528         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
8529         is_conditionally_protected, can_schedule_ready_p,
8530         add_branch_dependences, debug_dependencies): Likewise.
8531         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
8532         Likewise.
8533         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
8534         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
8535         set_dominates_use, ujump_to_loop_cont): Likewise.
8536         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
8537         * varasm.c (output_constant_pool_1): Likewise.
8538
8539 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8540
8541         * tree-scalar-evolution.c: New file.
8542         * tree-scalar-evolution.h: New file.
8543         * tree-ssa-loop-niter.c: New file.
8544         * Makefile.in (SCEV_H): New.
8545         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
8546         * cfgloop.h (struct loop): Add bounds field.
8547         * tree-flow.h (struct tree_niter_desc): New type.
8548         (number_of_iterations_cond, number_of_iterations_exit,
8549         loop_niter_by_eval, find_loop_niter_by_eval,
8550         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
8551         free_numbers_of_iterations_estimates): Declare.
8552         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
8553         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
8554         * doc/invoke.texi (max-iterations-to-track): Document.
8555
8556 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
8557
8558         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
8559         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
8560         (MODE_AFTER): Add cast appropriately.
8561         * config/sh/sh.md (movdi splitter): Likewise.
8562         (casesi_worker_2): Add const qualifier appropriately.
8563         (eh_return): Remove unused variable.
8564         (insv): Initialize v;
8565
8566 2004-07-08  Richard Henderson  <rth@redhat.com>
8567
8568         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
8569         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8570         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
8571         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
8572         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
8573
8574         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
8575         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8576         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
8577         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
8578
8579         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
8580         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8581         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
8582         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
8583
8584         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
8585         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8586         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
8587         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
8588
8589         * config/i860/i860-protos.h (i860_va_arg): Remove.
8590         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8591         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
8592         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
8593
8594 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
8595
8596         * system.h: Prototype getpagesize if missing.
8597         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
8598         * configure: Regenerate.
8599         * config.in: Regenerate.
8600
8601 2004-07-08  Richard Henderson  <rth@redhat.com>
8602
8603         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
8604         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8605         (fr30_gimplify_va_arg_expr): New.
8606         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
8607         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
8608
8609 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
8610
8611         PR target/16414
8612         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
8613         of asm_noperands result.
8614
8615 2004-07-08  Richard Henderson  <rth@redhat.com>
8616
8617         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
8618         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8619         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
8620         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
8621
8622 2004-07-08  Richard Henderson  <rth@redhat.com>
8623
8624         * builtins.c (ind_gimplify_va_arg_expr): New.
8625         * tree.h (ind_gimplify_va_arg_expr): Declare.
8626         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
8627
8628 2004-07-08  Jan Beulich  <jbeulich@novell.com>
8629
8630         * expmed.c (extract_bit_field): Correct condition to use vec_extract
8631         patterns also on vector elements other than the first one.
8632         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
8633         break statements.
8634
8635 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
8636
8637         * config/rs6000/darwin-ldouble.c: Correct reference
8638         to the Linnainmaa paper.
8639
8640 2004-07-08  Richard Henderson  <rth@redhat.com>
8641
8642         * config/arc/arc-protos.h (arc_va_arg): Remove.
8643         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8644         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
8645         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
8646
8647         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
8648         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8649         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
8650         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
8651
8652 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8653
8654         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
8655
8656 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
8657
8658         * c-decl.c (static_ctors, static_dtors): Make static.
8659         (pop_file_scope): Call c_common_write_pch and
8660         cgraph_finalize_compilation_unit here.
8661         (build_cdtor): Moved here from c-objc-common.c; simplify.
8662         (c_write_global_declarations_1): Clarify comment.
8663         (c_write_global_declarations): Close the external scope before
8664         doing anything else.  Call build_cdtor, cgraph_optimize, and
8665         mudflap_finish_file here.
8666         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
8667         Clarify comment.
8668         * c-objc-common.c: No need to include cgraph.h.
8669         (build_cdtor): Moved to c-decl.c.
8670         (c_objc_common_finish_file): Delete.
8671         * c-tree.h: Update to match.
8672         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
8673         (generate_static_references): Set TREE_USED before calling finish_decl.
8674         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
8675         on the static_instances_decl.
8676
8677 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
8678
8679         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
8680         decls when there is only one input translation unit.
8681         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
8682         change of 2004-07-05; do not treat declarations with
8683         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
8684         * opts.c (cur_in_fname): Delete.
8685         * opts.h: Likewise.
8686         * tree.c: Revert changes of 2004-07-05; no special treatment
8687         for TRANSLATION_UNIT_DECLs.
8688         * Makefile.in (tree.o): Update dependencies.
8689
8690 2004-07-08  Roger Sayle  <roger@eyesopen.com>
8691
8692         * builtins.c (fold_builtin_strcpy): Merge functionality from
8693         simplify_builtin_strcpy.  Add additional len argument.  No longer
8694         static.  Remove function prototype.
8695         (fold_builtin_strncpy): Likewise integrate functionality from
8696         simplify_builtin_strncpy.  Add additional slen argument.  No
8697         longer static.  Remove function prototype.
8698         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
8699         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
8700         types of "ignore" and "unlocked" parameters to bool.
8701         (fold_builtin_1):  Add additional ignore argument.  Call renamed
8702         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
8703         builtins.  Update arguments to fold_builtin_strncpy and
8704         fold_builtin_strcpy.  Add function prototype.
8705         (fold_builtin): Add additional Boolean ignore argument to pass
8706         to fold_builtin_1.
8707         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
8708         and fold_builtin_strncpy instead of simplify_builtin_fputs,
8709         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
8710
8711         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
8712         simplify_builtin_strncpy): Delete function prototypes.
8713         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
8714         fold_builtin_strncpy): Add function prototypes here.
8715         (fold_builtin): Update function prototype with new "bool ignore".
8716
8717         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
8718         (ccp_fold_builtin):  Update call to fold_builtin.  Call
8719         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
8720         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
8721         simplify_builtin_strncpy respectively.
8722         * fold-const.c (fold): Update call to fold_builtin.
8723
8724 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
8725
8726         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
8727         to strcpy.
8728
8729         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
8730         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
8731         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
8732         * calls.c: Remove ifdefs of macros above.
8733         * functions.c: Likewise.
8734         * expr.c: Likewise.
8735
8736 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8737
8738         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
8739         (arch attribute): Delete.
8740         (current_function_calls_alloca attribute): Rename into calls_alloca.
8741         (calls_eh_return): New attribute.
8742         (leaf_function): Likewise.
8743         (length attribute): Fix formula for sibcalls.
8744         (return insn): Correctly compute the 'length' attribute.
8745         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
8746
8747 2004-07-08  Richard Henderson  <rth@redhat.com>
8748
8749         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
8750         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
8751         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
8752         * tree-eh.c (lower_eh_constructs_1): Likewise.
8753         * tree-sra.c (sra_walk_modify_expr): Likewise.
8754         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
8755         (eliminate_unnecessary_stmts): Likewise.
8756         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8757         * tree-tailcall.c (optimize_tail_call): Likewise.
8758         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
8759
8760 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
8761             Jakub Jelinek  <jakub@redhat.com>
8762
8763         * config/i386/i386.c (override_options): Enable
8764         SSE prefetches with -mtune, as long as we are
8765         compiling for i686 or higher.  All i686 processors
8766         accept SSE prefetches as NOPS, some i586's don't.
8767
8768 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8769
8770         PR target/10567
8771         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
8772
8773 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
8774
8775         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
8776         the handling of clobbering ASM_EXPRs.
8777
8778 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8779
8780         PR target/16430
8781         * config/sparc/sparc.c (function_value): In 64-bit mode,
8782         return the aggregates larger than 16 bytes like unions.
8783
8784 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8785
8786         PR target/16199
8787         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
8788         'temp' is zero, generate new pseudos as needed and emit the
8789         sequence of insns in single-assignment form.  Resync comments
8790         with code.
8791         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
8792         function before reload.
8793
8794 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
8795
8796         * vec.c (vec_assert_fail): Remove duplicate 'function'.
8797
8798         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
8799
8800         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
8801         Allocation is signed.
8802         (VEC_reserve): Return flag, allocation is signed.
8803
8804 2004-07-08  Richard Henderson  <rth@redhat.com>
8805
8806         * tree-ssa-ccp.c (fold_stmt): Get type directly from
8807         OBJ_TYPE_REF_OBJECT.
8808
8809 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
8810             Neil Booth  <neil@daikokuya.co.uk>
8811
8812         PR c/2511
8813         PR c/3325
8814         * c-decl.c (finish_struct): Ensure bit-fields are given the
8815         correct type.
8816         * c-common.c (c_common_signed_or_unsigned_type): For C, require
8817         the precision to match as well as the mode.
8818         * expr.c (reduce_to_bit_field_precision): New function.
8819         (expand_expr_real_1): Reduce expressions of bit-field type to
8820         proper precision.
8821         * langhooks.h (reduce_bit_field_operations): New hook.
8822         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
8823         Define.
8824         * c-lang.c, objc/objc-lang.c
8825         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
8826         * objc/objc-act.c (check_ivars): Convert types to bit-field types
8827         before checking.
8828         * tree.c (build_nonstandard_integer_type): New function.
8829         * tree.h (build_nonstandard_integer_type): New prototype.
8830         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
8831         conversions between integer and boolean types as useless.
8832
8833 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
8834
8835         * c-common.c (c_common_nodes_and_builtins): Do not
8836         create __builtin_ptrdiff_t and __builtin_size_t.
8837
8838 2004-07-08  Andrew Pinski  <apinski@apple.com>
8839
8840         * Makefile.in (libbackend.o): Add -combine to the gcc
8841         command line.
8842
8843 2004-07-08  Nick Clifton  <nickc@redhat.com>
8844
8845         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
8846         Set to -Os.
8847
8848 2004-07-08  Richard Henderson  <rth@redhat.com>
8849
8850         * except.c (expand_eh_region_start, expand_eh_region_end,
8851         expand_eh_handler, expand_eh_region_end_cleanup,
8852         expand_start_all_catch, expand_start_catch, expand_end_catch,
8853         expand_end_all_catch, expand_eh_region_end_allowed,
8854         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
8855         expand_eh_region_end_fixup): Remove.
8856         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
8857         cleanups, outer_cleanups, label_chain, exception_region.
8858         (struct goto_fixup): Remove stack_level, cleanup_list_list.
8859         (struct label_chain): Remove.
8860         (struct stmt_status): Remove x_stack_block_stack.
8861         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
8862         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
8863         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
8864         end_cleanup_deferral, last_cleanup_this_contour,
8865         containing_blocks_have_cleanups_or_stack_level,
8866         any_pending_cleanups): Remove.
8867         (expand_null_return_1): Take no arguments.
8868         (expand_label, expand_naked_return, expand_return,
8869         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
8870         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
8871         expand_end_case_type): Don't use any of them.
8872         * calls.c (expand_call): Likewise.
8873         * dojump.c (do_jump): Likewise.
8874         * function.c (expand_function_end): Likewise.
8875         * expr.c (store_expr, expand_expr_real_1): Likewise.
8876         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
8877         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
8878         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
8879         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
8880         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
8881         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
8882         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
8883         for WITH_CLEANUP_EXPR.
8884         (gimple_push_cleanup): Likewise.
8885         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
8886         * print-tree.c (print_node): Likewise.
8887         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
8888         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
8889         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
8890         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
8891         (GOTO_SUBROUTINE_EXPR): Remove.
8892         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
8893         (DECL_TOO_LATE): Remove.
8894         * except.h, tree.h: Update decls.
8895
8896 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
8897
8898         * explow.c (optimize_save_area_alloca): Do not accept parameters.
8899         * passes.c (rest_of_handle_final): Handle symout.
8900         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
8901         Push timevar here.
8902         (rest_of_handle_sched): Break out SMS.  Remove ifs for
8903         flag_schedule_insns and flag_modulo_sched.
8904         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
8905         collect at the end.
8906         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
8907         (rest_of_handle_partition_blocks, rest_of_handle_sms,
8908         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
8909         rest_of_handle_mode_switching, rest_of_handle_jump,
8910         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
8911         rest_of_handle_jump2, rest_of_handle_postreload,
8912         rest_of_handle_flow2, rest_of_clean_state,
8913         rest_of_handle_shorten_branches,
8914         rest_of_handle_prologue_epilogue,
8915         rest_of_handle_branch_target_load_optimize): New.
8916         (rest_of_compilation): Call the above.  Remove ggc_collect
8917         calls moved to rest_of_handle_*.
8918         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
8919
8920         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
8921         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
8922         * except.h (set_nothrow_function_flags): Update comment.
8923         * function.c (current_function_nothrow): Remove.
8924         * output.h (current_function_nothrow): Remove.
8925         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
8926         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
8927
8928 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8929
8930         PR bootstrap/16326
8931         * reorg.c: Revert 2004-06-30 change.
8932         (find_end_label): If HAVE_epilogue and !HAVE_return,
8933         return 0 instead of creating a label at the end of the insn chain.
8934         (optimize_skip): Account for the failure mode of find_end_label.
8935         (fill_simple_delay_slots): Likewise.
8936         (fill_slots_from_thread): Likewise.
8937         (relax_delay_slots): Likewise.
8938
8939 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
8940
8941         * tree-flow.h (addressable_vars): Declare.
8942         * tree-ssa-alias.c (addressable_vars): Define.
8943         (setup_pointers_and_addressables): Add addressable variables
8944         to addressable_vars.
8945         * tree-ssa-operands.c (get_stmt_operands): Move
8946         handling of ASM_EXPRs ...
8947         (get_asm_expr_operands): ... here.
8948         When the ASM_EXPR clobbers memory, also clobber addressable
8949         variables.
8950         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
8951         (delete_tree_ssa): Reset addressable_vars.
8952
8953 2004-07-07  Jan Beulich  <jbeulich@novell.com>
8954             Richard Henderson  <rth@redhat.com>
8955
8956         * varasm.c (assemble_variable): Use assemble_zeros for
8957         zero-initialized variables.
8958         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
8959         for SECCAT_BSS and SECCAT_TBSS.
8960
8961 2004-07-07  Jan Beulich  <jbeulich@novell.com>
8962
8963         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
8964
8965         * expmed.c (emit_store_flag): Also special-case double-word
8966         (in-)equality comparison against -1.
8967
8968         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
8969         passing arguments the containers for which are registers.
8970
8971         * calls.c (emit_library_call_value_1): Use mode of function parameter
8972         rather than that of argument since constants have none.
8973
8974 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
8975
8976         Introduce H8SX support.
8977         * expr.c (expand_strcpy): Renamed and moved to...
8978         * builtins.c (expand_movstr): ... here.  Tweak.
8979         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
8980         computed or has side effects.
8981         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
8982         unused, or if mempcpy fails.  Adjust the return value in the
8983         latter case.  Use movstr if everything else fails.
8984         * doc/md.texi (movstr): Document.
8985         (movmemM, clrmemM): Fix explanation of memory block operands.
8986         * config/h8300/h8300.md (stpcpy): Renamed to...
8987         (movstr): ... this.  Adjust.
8988         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
8989         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
8990         movmem* and clrstr* to clrmem*.
8991         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
8992         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
8993         GENERAL_REGS, always.
8994         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
8995         getting the stack pointer as addr.
8996         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
8997         from general_operand_dst.
8998         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
8999         variant of...
9000         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
9001         instead of requiring it to match only before reload.
9002         (stpcpy_internal_normal): New, normal-mode variant of...
9003         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
9004         `D' instead of requiring it to match only before reload.
9005         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
9006         mode argument.
9007         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
9008         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
9009         h8300_get_index.
9010         * config/h8300/h8300.md (attr type): Add call.
9011         (attr can_delay): If type is call, set it no.
9012         (call, call_value): Set type to call.
9013         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
9014         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
9015         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
9016         * tree.c (get_narrower): Don't narrow integral types into
9017         non-integral types.
9018         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
9019         frame_size *before* the first use.
9020         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
9021         on input.
9022         (peephole2): Don't widen instructions that push SP.  Move
9023         decrement of SP to the end of all stm-generating peepholes.
9024         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
9025         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
9026         and OR to set it to all ones.
9027         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
9028         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
9029         (call, call_value): Set can_delay to "no".
9030         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
9031         * config/h8300/h8300.md (extzv): Make subreg check more robust.
9032         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
9033         * config/h8300/h8300.md (*brabit): Remove.
9034         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
9035         zero_extract.  Use bit_memory_operand as the predicate for
9036         operand 1 and 'WU' as the constraint.  Check the difference
9037         between the base length and the final one when deciding which
9038         type of branch to use.
9039         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
9040         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
9041         Use convert_move to extend the result for TARGET_H8300SX.  Check
9042         for QImode memory references.  Optimize the case where the
9043         destination is a paradoxical subreg.
9044         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
9045         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
9046         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
9047         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
9048         * config/h8300/h8300.md: Include mova.md
9049         (length_table): Add mova and mova_zero.
9050         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
9051         after all constant addresses for '%R', '%X', '%T' and '%S'.
9052         (h8300_mova_length): New function.
9053         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
9054         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
9055         dependencies for s-config, etc.
9056         * config/h8300/gemova.sh: New file.
9057         * config/h8300/mova.md: Generated.
9058         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
9059         * config/h8300/h8300.c (h8300_bitfield_length): New.
9060         (nibble_operand): Adjust.
9061         (h8300_binary_length): Handle conditional binary op.
9062         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
9063         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
9064         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
9065         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
9066         constraints.  WU is introduced as a variant of U that requires a
9067         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
9068         * config/h8300/h8300.md (attr type): Added bitbranch.
9069         (attr length_table): Added bitfield and bitbranch.
9070         (attr length): Compute bitbranch length.
9071         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
9072         least-significant bit of a byte.
9073         (brabit, brabc, brabs): New.
9074         (insv, extzv): Emit bfst and bfld on H8300SX.
9075         (bfld, bfst, seq, sne): New.
9076         (bstzhireg, cmpstz, bstz, bistz): New.
9077         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
9078         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
9079         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
9080         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
9081         (h8sx_unary_memory_operator): New function.
9082         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
9083         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
9084         * config/h8300/h8300.md: Add peepholes to combine reloads and
9085         arithmetic insns.
9086         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
9087         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
9088         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
9089         (and?i, ior?i, xor?i): Likewise.
9090         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
9091         * config/h8300/h8300.c: Move enums and prototypes to head of file.
9092         Various whitespace fixes.
9093         (h8300_constant_length): New function, split out from...
9094         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
9095         (h8300_classify_operand): Use IN_RANGE.
9096         (h8300_classify_operand): Use h8300_constant_length.
9097         (h8300_short_move_mem_p): Tighten size check.
9098         (h8sx_mergeable_memrefs_p): Tighten equality check.
9099         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
9100         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
9101         for -msx.
9102         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
9103         * config/h8300/crtn.asm: Likewise.
9104         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
9105         if __H8300SX__ is defined.
9106         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
9107         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
9108         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
9109         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
9110         addresses as mode-dependent.
9111         * config/h8300/h8300.c (print_operand_address): Update call to
9112         h8300_get_index.
9113         (h8300_get_index): Take a mode argument.  Rework to fix an
9114         earlier misunderstanding.
9115         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
9116         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
9117         into a register if TARGET_H8300SX.
9118         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
9119         TARGET_H8300SX.  Also disable related define_splits.
9120         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
9121         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
9122         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
9123         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
9124         * config/h8300/h8300.h (OK_FOR_Z): New macro.
9125         (EXTRA_CONSTRAINT_STR): Check it.
9126         * config/h8300/h8300.c (h8300_classify_operand): Accept null
9127         class arguments.
9128         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
9129         * config/h8300/h8300.md (length_table): Add mov_imm4.
9130         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
9131         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
9132         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
9133         be a label.
9134         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
9135         * config/h8300/h8300.c (h8300_reorg): New function.
9136         (TARGET_MACHINE_DEPENDENT_REORG): Define.
9137         * config/h8300/h8300.md (length): Subtract the length of the
9138         delay slot from (pc) when checking the range of forward branches.
9139         (delay_slot, can_delay): New attributes.
9140         (define_delay): Add bra/s handling.
9141         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
9142         (jump): Add delayed-branch handling.
9143         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
9144         * expr.c (expand_strcpy): New function.
9145         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
9146         (expand_builtin_stpcpy): Likewise.
9147         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
9148         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
9149         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
9150         handling to improve register allocation for -fno-omit-frame-pointer.
9151         (h8sx_split_movmd): Delete, moving er6 handling into...
9152         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
9153         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
9154         (movmd): Add calls to copy_rtx.
9155         (movmd_internal): In the second alternative, allow the initial and
9156         final destination registers to be different .  Update the splitter
9157         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
9158         instead of h8sx_split_movmd.
9159         (stpcpy, movsd): New expanders.
9160         (movsd_internal): New define_insn.
9161         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
9162         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
9163         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
9164         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
9165         and DESTINATION_REGS.
9166         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
9167         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
9168         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
9169         (h8300_move_ratio): Declare.
9170         (MOVE_RATIO): Use it.
9171         * config/h8300/h8300.c (h8300_move_ratio): New variable.
9172         (h8300_init_once): Initialize it.
9173         (h8300_reg_class_from_letter): New function.
9174         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
9175         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
9176         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
9177         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
9178         (movstrsi, movmd): New expanders.
9179         (movmd_internal): New insn.
9180         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
9181         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
9182         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
9183         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
9184         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
9185         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9186         * config/h8300/h8300.c (nibble_operand): Fix warning.
9187         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
9188         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
9189         (movsf_h8300h): Disable for TARGET_H8300SX.
9190         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9191         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
9192         h8300_stm_parallel and h8300_return_parallel.
9193         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
9194         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
9195         h8300_stm_parallel, h8300_return_parallel): New functions.
9196         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
9197         if TARGET_H8300SX.  Use h8300_push_pop.
9198         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
9199         and final pop when generating h8sx code.  Always emit some form
9200         of return insn.
9201         * config/h8300/h8300.md: Don't enforce register alignment in
9202         stm peepholes if TARGET_H8300SX.
9203         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
9204         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
9205         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
9206         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9207         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
9208         (MULTILIB_DIRNAMES): Add a directory for it.
9209         (MULTILIB_MATCHES): Delete.
9210         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
9211         * final.c (walk_alter_subreg): Handle addresses with subregs
9212         inside a ZERO_EXTEND or AND.
9213         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
9214         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
9215         if TARGET_H8300SX.
9216         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
9217         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
9218         @(dd,Rn.w) and @(dd,ERn.L).
9219         (h8300_displacement_size): Take the whole address as argument.
9220         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
9221         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
9222         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
9223         (h8sx_mergeable_memrefs_p): Declare.
9224         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
9225         (HAVE_PRE_INCREMENT): Likewise.
9226         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
9227         addresses for TARGET_H8300SX,
9228         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
9229         and POST_DEC.
9230         (movb_length_table, movl_length_table): New tables.
9231         (movw_length_table): Define to movb_length_table.
9232         (h8300_displacement_size): New, split out from...
9233         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
9234         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
9235         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
9236         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
9237         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
9238         (compute_plussi_length, compute_plussi_cc): Update accordingly.
9239         (h8sx_unary_shift_operator): Get the mode from the operator.
9240         (binary_shift_operator): Likewise.
9241         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
9242         a memory reference, check whether the reference is offsettable.
9243         (length_table): Add movb, movw and movl.
9244         (movqi): Add new h8sx pattern.  Don't force one operand to be a
9245         register when generating h8sx code.
9246         (movhi, movsi, movsf): Likewise.
9247         (movstrictqi): Use the length_table attribute.
9248         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
9249         (addqi3): Split into a define_expand and define_insn.  Don't accept
9250         memory operands in the expander.  Use h8300_operands_match_p to
9251         check for matching operands in the define_insn.
9252         (subqi3, negqi2, one_cmplqi2): Likewise.
9253         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
9254         in any patterns that are unused in h8sx code.  In the h8sx patterns,
9255         use h8300_operands_match_p to check whether operands match.
9256         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
9257         one_cmpl[hs]i3): Likewise.
9258         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
9259         in the expander.
9260         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
9261         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
9262         (h8300_insn_length_from_table): Add a second parameter.
9263         (output_h8sx_shift): Declare.
9264         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
9265         (EXTRA_CONSTRAINT): Replace with...
9266         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
9267         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
9268         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
9269         and h8sx_binary_shift_operator.
9270         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
9271         for TARGET_H8300SX.
9272         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
9273         (bit_memory_operand, fix_bit_operand): Likewise.
9274         (h8300_length_table_for_insn): Remove.
9275         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
9276         instructions.
9277         (h8300_short_immediate_length, h8300_binary_length): New functions.
9278         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
9279         (output_plussi): Use sub to add negative constants.
9280         (compute_plussi_length): Adjust accordingly.
9281         (h8sx_single_shift_type): New enum.
9282         (h8sx_single_shift, h8sx_unary_shift_operator,
9283         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
9284         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
9285         single h8sx instruction.  Return false in this case.
9286         * config/h8300/h8300.md (length_table): Add short_immediate.
9287         (length): Pass the operand array to h8300_insn_length_from_table.
9288         (adjust_length): Assume "no" for insns with a length_table attribute.
9289         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
9290         (*addhi3_h8300hs): Don't use for h8sx.
9291         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
9292         and sub.w #xx:3.
9293         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
9294         1's predicate to nonimmediate_operand.  Only skip default expansion
9295         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
9296         for single h8sx shift instructions.
9297         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
9298         * config/h8300/h8300.c (nibble_operand): Split out of...
9299         (reg_or_nibble_operand): ... this.
9300         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
9301         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
9302         umulhisi3): Introduce expand, and introduce separate insns for
9303         sign- or zero-extended REG and already-extended CONST_INT.
9304         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
9305         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
9306         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
9307         (subhi3): Likewise.  Don't accept immediates for operand 1.
9308         Remove the early clobber from second alternative of the h8300s pattern.
9309         (subsi3): Generalize for h8sx.  Force operand 2 into a register
9310         on plain h8300 targets.
9311         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
9312         (subsi3_h8300h): Generalize for h8sx.
9313         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
9314         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
9315         * config/h8300/h8300.c (reg_or_nibble_operand): New.
9316         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
9317         (TARGET_H8300SXMUL): New.
9318         (CONST_OK_FOR_P): New.
9319         (CONST_OK_FOR_LETTER_P): Adjust.
9320         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
9321         umulhisi3): Accept 4-bit immediate on H8SX.
9322         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
9323         (udivsi3, divhi3, udivsi3, divsi3): New.
9324         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
9325         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
9326         * config/h8300/h8300.h (OK_FOR_Q): New macro.
9327         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
9328         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
9329         Add ADDRESSOF to the bit_operand entry.
9330         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
9331         (h8300_src_operand): Likewise.
9332         (bit_operand): Check nonimmediate_operand rather than general_operand.
9333         Accept any nonimmediate_operand in h8sx code.
9334         (h8300_and_costs): Initialize operands[1].
9335         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
9336         (h8300_operand_class): New enum.
9337         (h8300_length_table): New typedef.
9338         (addb_length_table, addw_length_table, addl_length_table,
9339         logicl_length_table): New tables.
9340         (logicb_length_table, logicw_length_table): New macros.
9341         (h8300_classify_operand, h8300_length_from_table,
9342         h8300_length_table_for_insn, h8300_unary_length,
9343         h8300_insn_length_from_table): New functions.
9344         (output_plussi): Only use adds and subs for register destinations.
9345         Disable redundant clause.
9346         (compute_plussi_cc): Likewise.
9347         (compute_plussi_length): Likewise.  Use h8300_length_from_table
9348         to work out the length of an insn.
9349         (output_logical_op): Only use narrower immediate instructions
9350         if the destination is a register.
9351         (compute_logical_op_cc): Likewise.
9352         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
9353         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
9354         * config/h8300/h8300.md (length_table): New attribute.
9355         (length): When an instruction has a length_table attribute, use
9356         h8300_insn_length_from_table to calculate its default length.
9357         (cmpqi): Use h8300_dst_operand for the first operand and
9358         h8300_src_operand for the second.
9359         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
9360         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
9361         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
9362         iorsi3, xorhi3, xorsi3): Likewise.
9363         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
9364         so that it allows any combination of operands for TARGET_H8300SX.
9365         (iorqi3, xorqi3): Likewise.
9366         (cmpqi): Use the length_table attribute.
9367         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
9368         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
9369         (cmpqi): Add 'Q' constraint.
9370         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
9371         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
9372         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
9373         * config/h8300/h8300.h (MASK_H8300SX): New macro.
9374         (TARGET_H8300S): True for both -ms and -msx.
9375         (TARGET_H8300SX): New macro.
9376         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
9377         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
9378         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
9379         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
9380         [Temporary change.]
9381         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
9382         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
9383         16-bit pointers and 32-bit ints.
9384         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
9385         CONST_DOUBLE with mode no wider than SImode.
9386         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
9387         output operand.
9388         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
9389         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
9390         or SUBREG thereof.
9391         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
9392         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
9393         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
9394
9395 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
9396
9397         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
9398
9399 2004-07-07  Per Bothner  <per@bothner.com>
9400
9401         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
9402
9403 2004-07-07  Mike Stump  <mrs@apple.com>
9404
9405         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
9406         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
9407         (machopic_finish): Likewise.
9408
9409 2004-07-07  Richard Henderson  <rth@redhat.com>
9410
9411         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
9412         through any value-preserving cast.
9413
9414 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
9415
9416         * function.c (assign_parm_find_data_types): Call
9417         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
9418
9419 2004-07-07  Steven Bosscher  <stevenb@suse.de>
9420
9421         * tree-cfg.c (group_case_labels): Remove case labels that have
9422         the same target as the default case.
9423
9424 2004-07-07  Steven Bosscher  <stevenb@suse.de>
9425
9426         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
9427         regardless of DECL_LANG_SPECIFIC being present or not.
9428         * tree.h (DECL_NUM_STMTS): Purge.
9429
9430 2004-07-07  Andrew Pinski  <apinski@apple.com>
9431
9432         * configure: Regenerate with the right autoconf.
9433
9434 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
9435
9436         * ifcvt.c (total_bb_rtx_cost): New function.
9437         (find_if_case_1): Compare rtx_cost of basic block to cost of
9438         BRANCH_COST insns.
9439         (find_if_case_2): Same.
9440
9441 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9442
9443         PR target/10567
9444         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
9445         (output_return): Likewise.
9446         (output_sibcall): Abort if !flag_delayed_branch.
9447         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
9448         (emit_and_preserve): New function.
9449         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
9450         indirect jump to the thunked-to function if !flag_delayed_branch.
9451         * config/sparc/sparc.md (delayed_branch): New attribute.
9452         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
9453         attribute to compute the length of the insn.
9454         (goto_handler_and_restore): Likewise.
9455
9456 2004-07-07  Andrew Pinski  <apinski@apple.com>
9457
9458         PR tree-optimization/15777
9459         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
9460
9461         * expr.c (expand_expr_real_1): Fix formating.
9462         BUFFER_REF and IN_EXPR are dead.
9463         * fold-const.c (non_lvalue): BUFFER_REF is dead.
9464         * tree-inline.c (estimate_num_insns_1): Likewise.
9465         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
9466         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
9467         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
9468
9469 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
9470
9471         * collect2.c (dump_file): Don't call cplus_demangle if
9472         HAVE_LD_DEMANGLE is defined.
9473         (main): Pass "--demangle" to ld if no_demangle is not 0 and
9474         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
9475         if HAVE_LD_DEMANGLE is defined.
9476
9477         * configure.ac (--with-demangler-in-ld): Added
9478         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
9479         --with-demangler-in-ld is used.
9480         * config.in: Regenerated.
9481         * configure: Likewise.
9482
9483 2004-07-07  Roger Sayle  <roger@eyesopen.com>
9484
9485         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
9486         for simple floating point operations "fp", double precision
9487         multiplication "dmul", and single and double precision division
9488         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
9489         (ppc630_cost): New table split from ppc620_cost, to distinguish
9490         differences in floating point latencies.
9491         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
9492         (rs6000_rtx_costs): Add support for single and double precision
9493         floating point addition, subtraction, multiplication, division,
9494         fused-multiply-add, fused-multiply-sub, negation, absolute value
9495         and negative absolute value.  Tweak MEM case to use prefered idiom.
9496
9497 2004-07-07  Richard Henderson  <rth@redhat.com>
9498
9499         * tree-flow-inline.h (may_propagate_copy): Move...
9500         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
9501         attempt to copy between types requiring conversion.
9502         * tree-flow.h (may_propagate_copy): Update decl.
9503         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
9504
9505 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
9506
9507         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
9508         from -mtune= option.
9509
9510 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
9511
9512         * builtins.c: Rename movstr*, except for movstrict*, to
9513         movmem* and clrstr* to clrmem*.
9514         * expr.c: Likewise.
9515         * expr.h: Likewise.
9516         * genopinit.c: Likewise.
9517         * integrate.c: Likewise.
9518         * local-alloc.c: Likewise.
9519         * optabs.c: Likewise.
9520         * optabs.h: Likewise.
9521         * config/alpha/alpha.h: Likewise.
9522         * config/alpha/alpha.md: Likewise.
9523         * config/arm/arm-protos.h: Likewise.
9524         * config/arm/arm.c: Likewise.
9525         * config/arm/arm.md: Likewise.
9526         * config/avr/avr.md: Likewise.
9527         * config/c4x/c4x.c: Likewise.
9528         * config/c4x/c4x.md: Likewise.
9529         * config/frv/frv.md: Likewise.
9530         * config/i386/i386-protos.h: Likewise.
9531         * config/i386/i386.c: Likewise.
9532         * config/i386/i386.h: Likewise.
9533         * config/i386/i386.md: Likewise.
9534         * config/i860/i860.c: Likewise.
9535         * config/i860/i860.md: Likewise.
9536         * config/ip2k/ip2k.md: Likewise.
9537         * config/ip2k/libgcc.S: Likewise.
9538         * config/ip2k/t-ip2k: Likewise.
9539         * config/m32r/m32r.c: Likewise.
9540         * config/m32r/m32r.md: Likewise.
9541         * config/mcore/mcore.md: Likewise.
9542         * config/mips/mips.c: Likewise.
9543         * config/mips/mips.md: Likewise.
9544         * config/ns32k/ns32k.c: Likewise.
9545         * config/ns32k/ns32k.h: Likewise.
9546         * config/ns32k/ns32k.md: Likewise.
9547         * config/pa/pa.c: Likewise.
9548         * config/pa/pa.md: Likewise.
9549         * config/pdp11/pdp11.h: Likewise.
9550         * config/pdp11/pdp11.md: Likewise.
9551         * config/rs6000/rs6000.c: Likewise.
9552         * config/rs6000/rs6000.md: Likewise.
9553         * config/s390/s390-protos.h: Likewise.
9554         * config/s390/s390.c: Likewise.
9555         * config/s390/s390.md: Likewise.
9556         * config/sh/lib1funcs.asm: Likewise.
9557         * config/sh/sh.c: Likewise.
9558         * config/sh/sh.md: Likewise.
9559         * config/sh/t-sh: Likewise.
9560         * config/sparc/sparc.h: Likewise.
9561         * config/vax/vax.md: Likewise.
9562         * config/xtensa/xtensa.c: Likewise.
9563         * config/xtensa/xtensa.md: Likewise.
9564         * doc/invoke.texi: Likewise.
9565         * doc/md.texi: Likewise.
9566         * doc/rtl.texi: Likewise.
9567
9568 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
9569
9570         PR target/16407
9571         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
9572         * config/mips/mips.c (mips_declare_common_object): New function,
9573         mostly split out from...
9574         (mips_output_aligned_decl_common): ...here.
9575         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
9576         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
9577         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
9578         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
9579
9580 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9581
9582         PR c/16392
9583         * function.c (assign_parms): Fix typo from previous change.
9584
9585 2004-07-07  Jason Merrill  <jason@redhat.com>
9586
9587         PR c++/15815
9588         * doc/extend.texi (C++ Interface): Correct information and
9589         discourage use.
9590
9591 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
9592
9593         PR target/16130
9594         PR target/16142
9595         PR target/16143
9596         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
9597         insn.
9598
9599 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
9600
9601         PR target/1679.
9602         * config/m32r/m32r.c (m32r_function_symbol): New function:
9603         Generate a symbol name RTX with the correct m32r specific flags
9604         set.
9605         (block_move_call): Use new function to generate correct symbol.
9606         * config/m32r/m32r-protos.h: Add prototype for new funcion.
9607         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
9608         function.
9609
9610 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
9611
9612         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
9613         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
9614         TYPE_BINFO_BASETYPE): Remove.
9615         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
9616         to ...
9617         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
9618         here.
9619         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
9620         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
9621         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
9622         (struct tree_binfo): Rename base_types to base_binfos.
9623         * alias.c (record_component_aliases): Adjust BINFO macros.
9624         * dbxout.c (dbxout_type): Likewise.
9625         * dwarf2out.c (gen_member_die): Likewise.
9626         * sdbout.c (sdbout_one_type): Likewise.
9627         * tree-dump.c (deque_and_dump): Likewise.
9628         * config/i386/i386.c (classify_argument,
9629         contains_128bit_aligned_vector_p): Likewise.
9630
9631 2004-07-07  Nick Clifton  <nickc@redhat.com>
9632
9633         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
9634         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
9635
9636 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
9637
9638         * vec.h: Fix the example use.
9639
9640 2004-07-06  Richard Henderson  <rth@redhat.com>
9641
9642         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
9643         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
9644         * tree-inline.c (copy_body_r, setup_one_parameter,
9645         initialize_inlined_parameters, expand_call_inline,
9646         declare_inline_vars): Don't check it.
9647         (expand_calls_inline): Remove old version, rename new version
9648         from gimple_expand_calls_inline.
9649         * tree-optimize.c (execute_gimple): Remove.
9650         (pass_gimple): Don't run anything.
9651
9652 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
9653
9654         * doc/sourcebuild.texi: Use semicolons instead of commas in
9655         section title.
9656
9657 2004-07-06  Richard Henderson  <rth@redhat.com>
9658
9659         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
9660         (sra_walk_modify_expr, scan_init): Likewise.
9661         (generate_element_zero): Check visited before scanning children.
9662         (generate_element_init): Set visited on error.
9663         (scalarize_init): Handle generate_element_init failure similar
9664         to use_block_copy.
9665
9666 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
9667
9668         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
9669         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
9670
9671 2004-07-06  Richard Henderson  <rth@redhat.com>
9672
9673         * config/i386/i386.c (legitimize_pic_address): Make static.
9674         (legitimize_address): Handle CONST with TLS operand.
9675         (ix86_expand_move): Don't call legitimize_pic_address directly.
9676         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
9677
9678 2004-07-06  Roger Sayle  <roger@eyesopen.com>
9679
9680         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
9681         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
9682         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
9683         is currently executed unconditionally, i.e. not in "else_bb".
9684
9685 2004-07-06  Steven Bosscher  <stevenb@suse.de>
9686
9687         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
9688         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9689         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
9690         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9691         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
9692         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9693         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
9694         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9695         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
9696         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9697         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
9698         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9699         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
9700         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9701         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
9702         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9703
9704 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
9705
9706         * dojump.c (do_jump): REFERENCE_EXPR is dead.
9707         * expr.c (expand_expr_real_1): Ditto.
9708         * tree-inline.c (estimate_num_insns_1): Ditto.
9709         * tree-pretty-print.c (dump_generic_node): Ditto.
9710         (op_symbol): Ditto.
9711         * tree.def: Ditto.
9712
9713 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
9714
9715         * tree-ssa-pre.c (reference_node_pool): New pool.
9716         (find_or_generate_expression): Class 'r' is okay too.
9717         (create_value_expr_from): Ditto.
9718         (add_to_sets): LHS should not include vuses.
9719         (eliminate): Ditto.
9720         (compute_avail): Reverse ordering of tests.
9721         Valuize INDIRECT_REF as well.
9722
9723 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
9724
9725         PR rtl-optimization/16380
9726         * loop.c (check_dbra_loop): Sink comparison instructions if they
9727         do something other than set cc0.
9728
9729 2004-07-06  James E Wilson  <wilson@specifixinc.com>
9730
9731         * doc/interface.texi (longjmp and automatic variables): Delete
9732         paragraph recommending taking the address of a variable.
9733
9734 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
9735
9736         * vec.h (VEC_embedded_alloc): Remove.
9737         (VEC_embedded_size, VEC_embedded_init): New.
9738         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
9739         MEM_STAT_INFO.
9740         (VEC_truncate): New.
9741         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
9742         (vec_embedded_alloc): Remove.
9743         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
9744         (vec_embedded_alloc): Remove.
9745
9746 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
9747
9748         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
9749         (gt-langhooks.h): Remove.
9750
9751 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
9752
9753         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
9754
9755 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
9756
9757         * config/sparc/sparc.c (get_pc_symbol): Rename into
9758         add_pc_to_pic_symbol.
9759         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
9760         (load_pic_register): Account for previous changes.
9761         Use reg_names.  Don't create the label twice.
9762         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
9763         UNSPEC_LOAD_PCREL_SYM.
9764         (get_pc): Rename into load_pcrel_sym.  Add predicate to
9765         operands.  Remove condition.
9766
9767 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
9768
9769         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
9770         RECORD, UNION & QUAL_UNION is actually a binfo.
9771
9772         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
9773         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
9774         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
9775         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
9776         * dwarf2out.c (add_data_member_location_attribute): Likewise.
9777         (gen_inheritance_die): Likewise.
9778         * tree-dump.c (deque_and_dump): Likewise.
9779         * doc/c-tree.texi (Binfos): Add under reconstruction note.
9780
9781 2004-07-06  Steven Bosscher  <stevenb@suse.de>
9782
9783         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
9784         Define.
9785         * config/mcore/mcore.md: Model memory latency with a simple DFA
9786         pipeline description instead of a define_function_unit.
9787
9788 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9789
9790         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
9791         * langhooks.h (var_mod_type_p): Likewise.
9792         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
9793         * expr.c (count_type_elements): Properly handle return from
9794         array_type_nelts and properly test for overflow.
9795         * gimplify.c (gimplify_init_constructor): Properly handle return
9796         from array_type_nelts.
9797         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
9798         * integrate.c (copy_decl_for_inlining): Correct comments.
9799         * tree-inline.c (remap_decl): Update comments, remove dead code,
9800         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
9801         (remap_type): Only remap if variably modified by vars in function
9802         being inlined.
9803         (copy_body_r): Use compatible_type langhooks to see when can fold.
9804         (setup_one_parameter): Don't remap type.
9805         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
9806         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
9807         compute TREE_INVARIANT for decl case.
9808         (find_var_from_fn): New function.
9809         (variably_modified_type_p): Add arg and call new function.
9810         * tree.h (variably_modified_type_p): Add extra arg.
9811
9812 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
9813
9814         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
9815         (goto_handler_and_restore_v9): Delete disabled insn.
9816         (goto_handler_and_restore_v9_sp64): Likewise.
9817
9818 2004-07-05  Roger Sayle  <roger@eyesopen.com>
9819
9820         * calls.c (load_register_parameters): Call expand_shift instead
9821         of expand_binop with ashl_optab (or other shift optab) directly.
9822         * expr.c (emit_group_load, emit_group_store): Likewise.
9823         * function.c (assign_parm_setup_block): Likewise.
9824         * stmt.c (shift_return_value): Likewise.
9825
9826 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
9827
9828         * expr.c (expand_assignment): Disable the bitfield += optimizations.
9829
9830 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
9831
9832         * doc/sourcebuild.texi: Revert previous patch.
9833
9834 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
9835
9836         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
9837         TARGET_MEM_FUNCTIONS.
9838         * system.h: Poison TARGET_MEM_FUNCTIONS.
9839         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
9840         bcmp_libfunc, bzero_libfunc): Remove.
9841         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
9842         bzero_libfunc.
9843         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
9844         * doc/standards.texi: Don't mention calling BSD string functions.
9845         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
9846         * config/vax/t-memfuncs: New.
9847         * config/memcmp.c, config/memcpy.c, config/memmove.c,
9848         config/memset.c: New.
9849         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
9850         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
9851         vax/t-memfuncs.
9852         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
9853         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
9854         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
9855         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
9856         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
9857         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
9858         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
9859         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
9860         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
9861         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
9862
9863 2004-07-05  Richard Henderson  <rth@redhat.com>
9864
9865         * function.c (assign_parm_setup_reg): Properly rename variables in
9866         FUNCTION_ARG_CALLEE_COPIES section.
9867
9868 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
9869
9870         * tree-mudflap.c: Include cgraph.h.
9871         (mf_init_extern_trees): Rename to mudflap_init.  Export.
9872         Rewrite to create synthetic declarations instead of looking
9873         up declarations from mf-runtime.h.
9874         (mf_make_builtin, mf_make_cache_struct_type): New functions.
9875         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
9876         Correct commentary.
9877         (execute_mudflap_function_decls, mudflap_register_call):
9878         Don't call mf_init_extern_trees.
9879         (mudflap_finish_file): Use cgraph_build_static_cdtor.
9880
9881         * tree-mudflap.h: Update prototypes.
9882         * c-mudflap.c: Delete file.
9883         * c-common.c: Include tree-mudflap.h.
9884         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
9885         * Makefile.in: Remove all references to c-mudflap.o.
9886         Update dependencies.
9887
9888 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9889
9890         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
9891         displacements with the spatial-locality cache-control completer.
9892
9893 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
9894
9895         * langhooks.c: Don't include gt-langhooks.h.
9896         (var_labelno): Delete.
9897         (lhd_set_decl_assembler_name): Do not append a distinguishing
9898         number to file-scope internal-linkage declarations for the first
9899         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
9900         the declaration itself (if at block scope), or its containing
9901         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
9902         number.
9903
9904         * opts.c (cur_in_fname): New global.
9905         * opts.h: Declare it.
9906         * tree.c: Include opts.h.
9907         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
9908         DECL_UID equal to cur_in_fname.
9909         (copy_node_stat): Do not change DECL_UID when copying a
9910         TRANSLATION_UNIT_DECL.
9911         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
9912         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
9913
9914         * c-decl.c (c_static_assembler_name): Delete.
9915         * c-tree.h (c_static_assembler_name): Delete prototype.
9916         * c-lang.c, objc/objc-lang.c: Don't override
9917         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
9918
9919         * Makefile.in (tree.o): Update dependencies.
9920         (GTFILES): Remove langhooks.c.
9921
9922 2004-07-05  Roger Sayle  <roger@eyesopen.com>
9923
9924         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
9925         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
9926         Normalize "X % C" as "X % -C" for signed modulus and negative C.
9927         Optimize "X % -Y" as "X % Y" for signed modulus.
9928         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
9929         into "((unsigned) X % Y) == 0".
9930
9931 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
9932
9933         * sourcebuild.texi (Config Fragments): Use @comma{} in
9934         cross-reference to section title.
9935
9936 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9937
9938         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
9939         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
9940         (gimplify_target_expr, gimplify_expr): Likewise.
9941         (copy_if_shared_r): No longer need special case for BIND_EXPR.
9942         (unshare_body, unvisit_body): Only look at nested if BODY_P is
9943         whole function.
9944         (gimplify_compound_lval): See if we can strip any useless conversion.
9945         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
9946         from RHS, not LHS.
9947         (gimplify_modify_expr_to_memset): Likewise.
9948         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
9949         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
9950         (declare_inline_vars): Likewise.
9951         (walk_type_fields): New function.
9952         (walk_tree): Use it.
9953         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
9954
9955         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
9956         (sra_walk_modify_expr): Allow init function to fail.
9957         (scan_init): Now returns bool.
9958         (generate_element_init): If can't understand INIT, return false.
9959         (scalarize_init): Return false if generate_element_init does.
9960
9961         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
9962         print bounds.
9963
9964         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
9965         bounds if bounds aren't constant.
9966
9967         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
9968
9969         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
9970         to type hooks; remove bogus PARAMS.
9971
9972 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
9973
9974         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
9975         * dwarf2out.c (add_data_member_location_attribute): Check for
9976         TREE_BINFO.
9977         * tree.c (tree_node_kinds): Add "binfos".
9978         (binfo_lang_slots): New.
9979         (make_node_stat): Add TREE_BINFO.
9980         (make_tree_binfo_stat): New.
9981         (tree_node_structure): Add TREE_BINFO.
9982         * tree.def (TREE_BINFO): New.
9983         * tree.h (REC_OR_UNION_CHECK): Rename to ...
9984         (RECORD_OR_UNION_CHECK): ... here.
9985         (NOT_RECORD_OR_UNION_CHECK): New.
9986         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
9987         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
9988         RECORD_OR_UNION_CHECK.
9989         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
9990         (TYPE_LANG_SLOT_1): New.
9991         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
9992         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
9993         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
9994         (BINFO_ELTS): Remove.
9995         (BINFO_LANG_SLOT): New.
9996         (struct tree_binfo): New.
9997         (binfo_lang_slots): Declare.
9998         (enum tree_node_structure_enum): Add TS_BINFO.
9999         (union tree_node): Add binfo.
10000         (make_tree_binfo_stat): Declare.
10001         (make_tree_binfo): New.
10002         (enum tree_node_kind): Add binfo_kind.
10003
10004         * objc/objc-act.c (start_class, objc_declare_protocols,
10005         start_protocols): Use TYPE_LANG_SLOT_1.
10006         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
10007         to ...
10008         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
10009         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
10010         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
10011         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
10012
10013 2004-07-05  Steven Bosscher  <stevenb@suse.de>
10014
10015         * rtl.h (struct rtx_def): Remove the integrated flag.
10016         Use the return_val flag for MEM_SCALAR_P.
10017         Reshuffle and update flags in CLEAR_RTX_FLAGS.
10018
10019 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
10020
10021         PR target/16357
10022         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
10023         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
10024         move_by_pieces.
10025
10026 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
10027
10028         * var-tracking.c: Fix some comments.
10029         (frame_stack_adjust): New.
10030         (vt_stack_adjustments): Init stack_adjust of entry block to
10031         minus stack adjustment of function prologue.
10032         (adjust_stack_reference): Do not adjust if adjustment == 0.
10033         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
10034         (emit_notes_in_bb): Likewise.
10035         (vt_add_function_parameters): Do not adjust locations of
10036         function arguments.
10037         (vt_initialize): Compute the stack adjustment of function
10038         prologue and offset the initial "location" of frame_base_decl
10039         from the stack pointer after prologue.
10040
10041 2004-07-04  Richard Henderson  <rth@redhat.com>
10042
10043         * function.c (struct assign_parm_data_all): New.
10044         (struct assign_parm_data_one): New.
10045         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
10046         assign_parm_find_data_types, assign_parms_setup_varargs,
10047         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
10048         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
10049         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
10050         assign_parm_setup_block, assign_parm_setup_reg,
10051         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
10052         (assign_parms): ... here.
10053
10054 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
10055
10056         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
10057         now are bitmap_set_t's.
10058         (bitmap_insert_into_set): No point in inserting the value if
10059         it's invariant.
10060         (bitmap_set_contains): New function.
10061         (bitmap_set_replace_value): Add comment on why we do it
10062         this way.
10063         (set_contains): Removed.
10064         (bitmap_set_subtract_from_value_set): New name of
10065         set_subtract now that it's arguments are two different
10066         types of sets.
10067         Update callers.
10068         (bitmap_find_leader): Change algorithm used.
10069         (find_or_generate_expression): Update use of functions for new
10070         bitmap sets.
10071         (create_expression_by_pieces): Ditto.
10072         (insert_aux): Ditto.
10073         (insert): Ditto.
10074         (add_to_sets): Ditto.
10075         (init_pre): Ditto.
10076         (execute_pre): Ditto.
10077         (compute_avail): Ditto.
10078         Also ignore virtual phis.
10079
10080 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
10081
10082         * combine.c (simplify_comparison): Fix comment typo.
10083
10084 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10085
10086         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
10087         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
10088         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
10089         (output_restore): Change parameter from 'insn' to 'pat'.
10090         (output_return): Adjust call to output_restore.
10091         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
10092         Adjust call to output_restore.
10093
10094 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
10095
10096         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
10097         and assert system is bsd.
10098
10099 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
10100
10101         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
10102         (TARGET_SWITCHES): Remove -mdebugc.
10103         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
10104         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
10105         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
10106         (sle_[sd]i_reg): Delete.
10107
10108 2004-07-04  Steven Bosscher  <stevenb@suse.de>
10109
10110         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
10111         Define.
10112         * config/iq2000/iq2000.md: Translate old pipeline description to an
10113         equivalent new one.
10114
10115 2004-07-04  Roger Sayle  <roger@eyesopen.com>
10116
10117         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
10118         Ensure the replacement rhs is valid gimple before performing
10119         the substitution.  Return false if these sanity checks fail.
10120         (fold_stmt): Only set changed to true, if set_rhs returns true.
10121         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
10122         succeeds.
10123
10124 2004-07-04  Richard Henderson  <rth@redhat.com>
10125
10126         PR c/16348
10127         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
10128
10129 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
10130
10131         * configure.ac (ranlib_flags): New variable.
10132         * Makefile.in (RANLIB_FLAGS): New variable.
10133         (libbackend.a): Use it.
10134         * configure: Regenerated.
10135
10136 2004-07-04  Roger Sayle  <roger@eyesopen.com>
10137
10138         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
10139         a "sign mask" instead of using ashr_optab directly.
10140
10141 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
10142
10143         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
10144         * doc/cppopts.texi: Clarify processing of command-line defines.
10145
10146 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
10147
10148         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
10149
10150 2004-07-04  Richard Henderson  <rth@redhat.com>
10151
10152         * rtl.def (ADDRESSOF): Remove.
10153         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
10154         (find_base_term, memrefs_conflict_p): Likewise.
10155         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
10156         (fold_rtx, cse_insn, set_live_p): Likewise.
10157         * dwarf2out.c (mem_loc_descriptor): Likewise.
10158         (add_location_or_const_value_attribute): Likewise.
10159         * emit-rtl.c (copy_insn_1): Likewise.
10160         * explow.c (memory_address): Likewise.
10161         * expmed.c (store_split_bit_field): Likewise.
10162         * expr.c (expand_expr_real_1): Likewise.
10163         * function.c (instantiate_decl
10164         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
10165         * genrecog.c (preds, validate_pattern): Likewise.
10166         * integrate.c (copy_rtx_and_substitute): Likewise.
10167         * recog.c (general_operand, register_operand): Likewise.
10168         (memory_address_p): Likwise.
10169         * reload1.c (eliminate_regs, elimination_effects): Likewise.
10170         * rtl.c (copy_rtx): Likewise.
10171         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
10172         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
10173         * rtlhooks.c (gen_lowpart_general): Likewise.
10174         * stmt.c (expand_asm_operands): Likewise.
10175         * web.c (entry_register, replace_ref, web_main): Likewise.
10176         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
10177         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
10178         * config/arm/arm.c (thumb_rtx_costs): Likewise.
10179         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
10180         * config/frv/frv.c (move_destination_operand, move_source_operand,
10181         condexec_dest_operand, condexec_source_operand,
10182         condexec_memory_operand): Likewise.
10183         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
10184         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
10185         (destination_xfmode_operand): Likewise.
10186         * config/mips/mips.h (PREDICATE_CODES): Likewise.
10187         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
10188         * config/s390/s390.c (general_s_operand): Likewise.
10189         * config/s390/s390.md (mov*): Likewise.
10190         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
10191
10192         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
10193         * expr.c (expand_expr_real_1): Likewise.
10194         * stmt.c (expand_decl): Likewise.
10195         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
10196
10197         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
10198         postponed_insns, put_var_into_stack, put_reg_into_stack,
10199         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
10200         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
10201         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
10202         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
10203         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
10204         purge_bitfield_addressof_replacements, purge_addressof_replacements,
10205         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
10206         struct insns_for_mem_walk_info, insns_for_mem_walk,
10207         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
10208         setjmp_protect_args): Remove.
10209         (push_function_context_to): Don't handle var_refs_queue.
10210         (pop_function_context_from, free_after_compilation): Likewise.
10211         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
10212         (assign_parms, allocate_struct_function): Likewise.
10213         (use_register_for_decl): New.
10214         (expand_function_end): Don't setjmp_protect.
10215         * function.h (struct emit_status): Update commentary.
10216         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
10217         (max_parm_reg, parm_reg_stack_loc): Remove.
10218         * passes.c (DFI_addressof): Remove.
10219         (dump_file_info): Remove addressof.
10220         (rest_of_handle_addressof): Remove.
10221         (rest_of_compilation): Don't call it.
10222         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
10223         * stmt.c (expand_decl): Use use_register_for_decl.
10224         * tree.h: Update decls.
10225         * web.c (mark_addressof): Remove.
10226         * doc/invoke.texi (-dF): Remove.
10227
10228 2004-07-03  Richard Henderson  <rth@redhat.com>
10229
10230         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
10231         instead of gen_mem_addressof.
10232         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
10233         TImode output register.
10234
10235 2004-07-03  Richard Henderson  <rth@redhat.com>
10236
10237         PR tree-optimization/16341
10238         * tree-sra.c (sra_walk_function): Increment to next stmt before
10239         processing the current stmt.
10240         (sra_insert_after): Always use BSI_SAME_STMT.
10241
10242 2004-07-03  Richard Henderson  <rth@redhat.com>
10243
10244         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
10245         fp plus with minus.
10246
10247 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
10248
10249         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
10250         with tree_int_cst_equal.
10251
10252 2004-07-03  Andreas Schwab  <schwab@suse.de>
10253
10254         * config/ia64/ia64.md: Define new attribute "empty".
10255         (prologue_use, nop_x, insn_group_barrier): Set it.
10256
10257         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
10258         skip over "empty" insns.
10259
10260 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10261
10262         * tree-inline.c (initialize_inlined_parameters): Pass proper function
10263         context to gimplify_body.
10264         (walk_tree): Don't walk into types twice.
10265         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
10266
10267         * tree-sra.c (generate_element_init): Remove any useless conversions.
10268
10269         * gimplify.c (gimplify_conversion): Remove stripping useless
10270         conversions from here.
10271         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
10272         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
10273         Unshare before substituting PLACEHOLDER_EXPR.
10274         (gimplify_modify_expr_to_memset): Likewise.
10275         Pass address of TO to memset, not TO itself.
10276         (gimplify_init_constructor): Make copy of OBJECT so we have it each
10277         time we make an expression (to match a PLACEHOLDER_EXPR).
10278
10279         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
10280         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
10281         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
10282         * tree-ssa-dom.c (local_fold): Likewise.
10283
10284         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
10285         * langhooks.h (strct lang_hooks): New field type_max_size.
10286         * function.c (assign_temp): Call it.
10287
10288 2004-07-03  Steven Bosscher  <stevenb@suse.de>
10289
10290         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
10291         * config/sh/sh.md: Convert the SH1 pipeline description to
10292         a DFA model.
10293
10294 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
10295
10296         * c-decl.c (struct c_binding): Remove contour field; add
10297         depth, invisible, nested fields.
10298         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
10299         (B_IN_EXTERNAL_SCOPE): New convenience macros.
10300         (bind): Add invisible and nested arguments. Initialize
10301         new fields of struct c_binding; adjust loop scanning for
10302         insertion point.
10303         (free_binding_and_advance): Clear structure with memset.
10304         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
10305         in file scope, even if it's in external scope too.
10306         (pushdecl): Adjust to match.  Create invisible file-scope
10307         declarations for block-scope forward declarations of static functions.
10308         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
10309         (undeclared_variable, lookup_label, declare_label, define_label)
10310         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
10311         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
10312         (store_parm_decls_oldstyle): Adjust to match.
10313         (diagnose_mismatched_decls): Correct handling of linkage clashes.
10314         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
10315
10316         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
10317         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
10318
10319 2004-07-02  Richard Henderson  <rth@redhat.com>
10320
10321         * c-decl.c (grokdeclarator): Don't frob current_function_decl
10322         around variable_size.
10323         (set_decl_nonlocal): Remove.
10324         (store_parm_decls): Add stmts for pending sizes.
10325         * calls.c (calls_function, calls_function_1): Remove.
10326         (precompute_arguments): Don't call it.
10327         * cfgexpand.c (set_save_expr_context): Remove.
10328         (tree_expand_cfg): Don't call it.
10329         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
10330         (dwarf2out_finish): Likewise.
10331         * expr.c (emit_block_move): Adjust addresses to BLKmode.
10332         (store_constructor): Don't pre-evaluate SAVE_EXPR.
10333         (safe_from_p): Don't queue SAVE_EXPRs.
10334         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
10335         or build plain VAR_DECLs.
10336         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
10337         (fold): Likewise.
10338         (fold_checksum_tree): Don't special-case SAVE_EXPR.
10339         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
10340         (put_var_into_stack): Don't handle SAVE_EXPR.
10341         (gen_mem_addressof): Likewise.
10342         * function.h (struct function): Remove x_save_expr_regs.
10343         (save_expr_regs): Remove.
10344         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
10345         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
10346         * stor-layout.c (variable_size): Don't set it.
10347         (force_type_save_exprs, force_type_save_exprs_1): Remove.
10348         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
10349         all callers.  Don't set SAVE_EXPR_CONTEXT.
10350         * tree-inline.h (remap_save_expr): Update decl.
10351         * tree.c (save_expr): Update build size.
10352         (first_rtl_op): Don't handle SAVE_EXPR.
10353         (unsave_expr_1, contains_placeholder_p): Likewise.
10354         (decl_function_context): Likewise.
10355         * tree.def (SAVE_EXPR): Remove args 1 and 2.
10356         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
10357         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
10358
10359 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
10360
10361         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
10362         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
10363         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
10364         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
10365         some first-person references and patronizing comments.  Based on
10366         printed manual.
10367         * doc/invoke.texi: Don't reference fortran@gnu.org.
10368         * doc/trouble.texi (Warning when a non-void function value is
10369         ignored): Rewrite.  From Russ Allbery and Chris Devers.
10370
10371 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
10372
10373         * tree-ssa-pre.c (bitmap_set_t): New.
10374         (bb_value_sets): avail_out is now a bitmap_set_t.
10375         (bitmap_find_leader): New function.
10376         (bitmap_value_insert_into_set): Ditto.
10377         (bitmap_set_copy): Ditto.
10378         (bitmap_value_replace_in_set): Ditto.
10379         (bitmap_set_contains_value): Ditto.
10380         (bitmap_set_new): Ditto.
10381         (bitmap_set_pool): New pool.
10382         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
10383         (insert_aux): Ditto.
10384         (add_to_sets): Ditto.
10385         (compute_avail): Ditto
10386         (eliminate): Ditto.
10387         (init_pre): Ditto.
10388         (fini_pre): Ditto.
10389         (execute_pre): Ditto.
10390
10391 2004-07-02  Roger Sayle  <roger@eyesopen.com>
10392
10393         * config/rs6000/rs6000.c (struct processor_costs): New structure
10394         used to hold instruction latencies/sizes for processor types.
10395         (rs6000_cost): New global variable pointing to current CPU's costs.
10396         (rs6000_override_options): Initialize rs6000_cost to point to the
10397         appropriate cost table based upon rs6000_cpu and optimize_size.
10398         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
10399         timings inline.
10400
10401 2004-07-02  Richard Henderson  <rth@redhat.com>
10402
10403         * expmed.c (make_tree): Don't use SET_DECL_RTL.
10404
10405 2004-07-02  Steven Bosscher  <stevenb@suse.de>
10406
10407         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
10408
10409 2004-07-01  Richard Henderson  <rth@redhat.com>
10410
10411         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
10412         (alpha_gp_save_rtx): Use assign_stack_local instead of
10413         gen_mem_addressof.
10414
10415 2004-07-01  Richard Henderson  <rth@redhat.com>
10416
10417         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
10418         (alpha_rtx_cost_data): Update to match.
10419         (alpha_rtx_cost_size): New.
10420         (alpha_rtx_costs): Honor optimize_size.
10421
10422 2004-07-01  Richard Henderson  <rth@redhat.com>
10423
10424         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
10425         * cfgexpand.c (tree_expand_cfg): Do it here.
10426         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
10427         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
10428         * config/mips/mips.c (mips_output_mi_thunk): And here.
10429         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
10430         * config/sh/sh.c (sh_output_mi_thunk): And here.
10431         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
10432
10433 2004-07-01  Richard Henderson  <rth@redhat.com>
10434
10435         * tree.def (RTL_EXPR): Remove.
10436         * c-typeck.c (lvalue_p): Don't handle it.
10437         * expr.c (safe_from_p): Likewise.
10438         (expand_expr_real_1): Likewise.
10439         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
10440         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
10441         * gengtype.c (adjust_field_tree_exp): Likewise.
10442         * stmt.c (warn_if_unused_value): Likewise.
10443         * tree-gimple.c (recalculate_side_effects): Likewise.
10444         * tree-pretty-print.c (dump_generic_node): Likewise.
10445         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
10446         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
10447         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
10448
10449         * stmt.c (struct stmt_status): Remove x_last_expr_type,
10450         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
10451         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
10452         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
10453         all the bits that tracked last_expr.
10454         (expand_end_bindings): Don't track last_expr.
10455         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
10456         (clear_last_expr): Remove.
10457         (expand_asm): Don't call it.
10458         (expand_asm_operands, expand_end_cond): Likewise.
10459         (expand_naked_return, expand_null_return_1): Likewise.
10460         * c-typeck.c (c_begin_compound_stmt): Likewise.
10461         * cfgexpand.c (expand_block): Use expand_expr_stmt.
10462         * expr.c (expand_expr_real_1): Likewise.
10463         * tree.h: Update prototypes.
10464
10465         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
10466         (struct emit_status): Remove sequence_rtl_expr.
10467         (struct function): Remove x_rtl_expr_chain.
10468         (seq_rtl_expr, rtl_expr_chain): Remove.
10469         * function.c (struct temp_slot): Remove rtl_expr.
10470         (assign_stack_temp_for_type): Don't set it.
10471         (free_temp_slots, pop_temp_slots): Don't check it.
10472         (free_after_compilation): Don't clear x_rtl_expr_chain.
10473         (fixup_var_refs): Don't search it.
10474         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
10475         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
10476         or seq_rtl_expr.
10477         (push_topmost_sequence): Likewise.
10478         (end_sequence, init_emit): Likewise.
10479         (start_sequence_for_rtl_expr): Remove.
10480         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
10481         * rtl.h (preserve_rtl_expr_result): Remove.
10482
10483 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
10484
10485         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
10486         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
10487         typos.
10488
10489 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
10490
10491         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
10492         (STANDARD_STARTFILE_PREFIX_2): Define.
10493         (standard_startfile_prefix_1): Initialize to
10494         STANDARD_STARTFILE_PREFIX_1.
10495         (standard_startfile_prefix_2): Initialize to
10496         STANDARD_STARTFILE_PREFIX_2.
10497         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
10498         (STANDARD_STARTFILE_PREFIX_1): Define.
10499         (STANDARD_STARTFILE_PREFIX_2): Define.
10500         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
10501         (STANDARD_STARTFILE_PREFIX_2): Document.
10502
10503 2004-07-01  Richard Henderson  <rth@redhat.com>
10504
10505         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
10506         in order to disable scalarization.  Instead set a flag and wait
10507         for a candidate decl.
10508
10509 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
10510
10511         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
10512         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
10513         Use terminology "testsuite" and "enumerated".
10514
10515 2004-07-01  Richard Henderson  <rth@redhat.com>
10516
10517         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
10518         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
10519         (initial_return_save): Likewise.
10520         (flush_queued_reg_saves): Remap register numbers.
10521         (dwarf2out_return_reg): Likewise.
10522
10523 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10524
10525         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
10526
10527         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
10528         access functions for lower bound and element size and only output
10529         if lower bound nonzero or element size not same as that of type.
10530         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
10531
10532 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
10533
10534         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
10535
10536 2004-07-01  Per Bothner  <per@bothner.com>
10537
10538         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
10539
10540 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
10541
10542         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
10543         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
10544         first operand.  Don't optimize if the bitfield is volatile.
10545
10546 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
10547
10548         * c-pretty-print.c (pp_c_postfix_expression): Handle
10549         floating-point comparison operators.
10550         (pp_c_expression): Pass floating-point comparison
10551         operators to pp_c_postfix_expression.
10552
10553 2004-07-01  Roger Sayle  <roger@eyesopen.com>
10554
10555         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
10556         rtx_cost instead of "had_mult" to determine whether the transformed
10557         expression is cheaper than the original.
10558
10559 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
10560
10561         * alias.c (get_alias_set, canon_rtx, get_addr,
10562         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
10563         Use MEM_P.
10564         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
10565         expand_builtin): Likewise.
10566         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
10567         Likewise.
10568         * combine.c (can_combine_p, combinable_i3pat, try_combine,
10569         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
10570         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
10571         record_dead_and_set_regs_1, get_last_value_validate,
10572         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
10573         * cse.c (check_dependence, canon_hash, equiv_constant,
10574         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
10575         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
10576         count_reg_usage): Likewise.
10577         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
10578         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
10579         cselib_record_sets): Likewise.
10580         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
10581         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
10582         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
10583         * df.c (df_uses_record): Likewise.
10584         * dojump (do_jump): Likewise.
10585         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
10586         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
10587         decl_start_label): Likewise.
10588         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
10589         operand_subword, change_address_1, make_safe_from): Likewise.
10590         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
10591         stabilize, force_not_mem): Likewise.
10592         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
10593         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
10594         * expr.c (convert_move, convert_modes, emit_block_move,
10595         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
10596         emit_move_insn_1, expand_assignment, store_expr,
10597         store_constructor_field, store_constructor, store_field,
10598         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
10599         Likewise.
10600         * final.c (cleanup_subreg_operands, alter_subreg,
10601         get_mem_expr_from_op): Likewise.
10602         * flow.c (notice_stack_pointer_modification_1,
10603         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
10604         Likewise.
10605         * function.c (mark_temp_addr_taken, preserve_temp_slots,
10606         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
10607         optimize_bit_field, flush_addressof, purge_addressof_1,
10608         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
10609         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
10610         keep_stack_depressed): Likewise.
10611         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
10612         noce_process_if_block, find_memory): Likewise.
10613         * integrate.c (subst_constants, allocate_initial_values): Likewise.
10614         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
10615         update_equiv_regs): Likewise.
10616         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
10617         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
10618         * optabs.c (expand_abs, emit_unop_insn): Likewise.
10619         * passes.c (rest_of_handle_final): Likewise.
10620         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
10621         move2add_note_store): Likewise.
10622         * ra-build.c (detect_remat_webs): Likewise.
10623         * ra-debug.c (dump_static_insn_cost): Likewise.
10624         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
10625         * recog.c (validate_change, apply_change_group, cancel_changes,
10626         validate_replace_rtx_1, general_operand, register_operand,
10627         nonmemory_operand, push_operand, pop_operand, memory_operand,
10628         indirect_operand, asm_operand_ok, offsettable_memref_p,
10629         offsettable_nonstrict_memref_p, constrain_operands,
10630         store_data_bypass_p): Likewise.
10631         * reg-stack.c (subst_stack_regs_pat): Likewise.
10632         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
10633         copy_cost, reg_scan_mark_refs): Likewise.
10634         * regmove.c (optimize_reg_copy_3, stack_memref_p,
10635         combine_stack_adjustments_for_block): Likewise.
10636         * regrename.c (copyprop_hardreg_forward_1): Likewise.
10637         * reload.c (can_reload_into, push_reload, decompose, immune_p,
10638         find_reloads, find_reloads_address, find_reloads_address_1,
10639         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
10640         find_equiv_reg): Likewise.
10641         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
10642         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
10643         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
10644         delete_address_reloads): Likewise.
10645         * resource.c (mark_referenced_resources): Likewise.
10646         * rtlanal.c (get_jump_table_offset, count_occurrences,
10647         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
10648         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
10649         num_sign_bit_copies1): Likewise.
10650         * rtlhooks.c (gen_lowpart_general): Likewise.
10651         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
10652         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
10653         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
10654         sdbout_global_decl): Likewise.
10655         * simplify-rtx.c (simplify_subreg): Likewise.
10656         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
10657         expand_anon_union_decl, expand_end_case_type): Likewise.
10658         * unroll.c (calculate_giv_inc): Likewise.
10659         * var-tracking.c (stack_adjust_offset_pre_post,
10660         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
10661         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
10662         vt_add_function_parameters): Likewise.
10663         * varasm.c (make_var_volatile, notice_global_symbol,
10664         assemble_external, decode_addr_const, mark_weak,
10665         default_encode_section_info): Likewise.
10666
10667 2004-07-01  Steven Bosscher  <stevenb@suse.de>
10668
10669         * stmt.c (check_seenlabel): Remove.
10670         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
10671
10672 2004-07-01  Richard Henderson  <rth@redhat.com>
10673
10674         * function.h (struct function): Remove x_function_call_count.
10675         (function_call_count): Remove.
10676         * calls.c (expand_call): Don't set it.
10677         * integrate.c (copy_rtx_and_substitute): Likewise.
10678
10679         * function.h (struct function): Remove x_cleanup_label.
10680         (cleanup_label): Remove.
10681         * stmt.c (expand_value_return): Don't use it.
10682         * function.c (free_after_compilation): Don't set it.
10683         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
10684         * cfgexpand.c (tree_expand_cfg): Update call.
10685         * tree.h (expand_function_start): Update decl.
10686
10687 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
10688
10689         PR c/1027
10690         * c-lang.c (c_initialize_diagnostics): Move from here ...
10691         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
10692         (c_tree_printer): Use pretty-printer to format %T.
10693         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
10694         before '*' if not C++.
10695         (pp_c_direct_abstract_declarator): Don't try to print array upper
10696         bound for flexible array members.
10697         * c-tree.h: Include "diagnostic.h".
10698         (c_initialize_diagnostics): Declare.
10699         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
10700         * c-format.c (format_type_warning): New function.  Improve
10701         diagnostics for incorrect format argument types.
10702         (check_format_types): Use it.  Add two parameters.  Use the
10703         TYPE_MAIN_VARIANT of wanted_type.
10704         (check_format_info_main): Pass new parameters to
10705         check_format_types.
10706         (struct format_wanted_type): Update comment.
10707
10708 2004-07-01  Nick Clifton  <nickc@redhat.com>
10709
10710         * target.h (struct gcc_target): Add new field to struct cxx:
10711         import_export_class.
10712         * target-def.h (TARGET_CXX): Initialise the new field.
10713         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
10714         the new field.
10715         * doc/tm.texi: Document the new target hook.
10716
10717 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
10718
10719         * builtins.c (fold_builtin_classify): Fix typo.
10720
10721 2004-07-01  Richard Henderson  <rth@redhat.com>
10722
10723         * function.c (identify_blocks, identify_blocks_1): Remove.
10724         * function.h (identify_blocks): Remove.
10725         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
10726
10727 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
10728
10729         * builtins.c (fold_builtin_classify): New.
10730         (fold_builtin_unordered_cmp): Fix commentary.
10731         (fold_builtin): Use it.
10732         * builtins.def: Define builtins for isnan,
10733         isnanf, isnanl, finite, finitef, finitel,
10734         isinf, isinff, isinfl.
10735
10736 2004-07-01  Richard Henderson  <rth@redhat.com>
10737
10738         * function.h (struct function): Remove dont_emit_block_notes.
10739         * gimple-low.c (lower_function_body): Don't set it.
10740         * cfgexpand.c (expand_block): Don't check it.
10741         * cfglayout.c (insn_locators_initialize): Likewise.
10742         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
10743         * passes.c (rest_of_compilation): Likewise.
10744         * stmt.c (expand_start_bindings_and_block): Likewise.
10745         (expand_end_bindings): Likewise.
10746
10747 2004-07-01  Richard Henderson  <rth@redhat.com>
10748
10749         * cgraph.h (cgraph_build_static_cdtor): Declare.
10750         * cgraphunit.c (cgraph_build_static_cdtor): New.
10751         * c-objc-common.c (build_cdtor): Use it.
10752         * coverage.c (create_coverage): Likewise.
10753         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
10754         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
10755
10756 See ChangeLog.11 for earlier changes.