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1 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
2
3         * config/mips/mips.md (fcond): New code macro and attribute.
4         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
5         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
6         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
7
8 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
9
10         Revert:
11         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
12         PR rtl-optimization/16590
13         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
14
15 2004-08-30  Andrew Pinski  <apinski@apple.com>
16
17         * hard-reg-set.h: 
18         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
19         * ChangeLog: Fix previous ChangeLog entry.
20
21         PR rtl-opt/13987
22         * config.host (use_long_long_for_widest_fast_int): New, default is 
23         off.
24         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
25         * configure.ac: If use_long_long_for_widest_fast_int, then
26         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
27         * configure: Regenerate.
28         * config.in: Regenerate.
29         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
30         New: widest integer type supported efficiently in hardware for the
31         host.
32         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
33         HOST_BITS_PER_WIDEST_FAST_INT.
34         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
35         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on 
36         HOST_WIDEST_FAST_INT
37         instead of HOST_WIDE_INT.
38         (HARD_REG_SET_LONGS): Likewise.
39         (UHOST_BITS_PER_WIDE_INT): Likewise.
40         Change the checks for the fast cases to be based on
41         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
42
43 2004-08-30  Steven Bosscher  <stevenb@suse.de>
44
45         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
46         not the pointers.
47
48 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
49
50         PR 12738
51         PR 17205
52         Radar 3460526
53         Radar 3775729
54         * c-decl.c (grokdeclarator): Produce error for 'static' on local
55         function declaration.
56
57 2004-08-30  Richard Henderson  <rth@redhat.com>
58
59         * expr.c (array_ref_element_size): Force aligned_size back to
60         sizetype.
61         (component_ref_field_offset): Similarly for aligned_offset.
62         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
63         low-bound, element-size, field-offset fields rather than
64         computed values.
65
66 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
67
68         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
69         redundant code.
70
71 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
72
73         * c-tree.h (struct language_function): Add arg_info element.
74         * c-decl.c (current_function_arg_info): New.
75         (grokdeclarator, store_parm_decls): Use it instead of
76         DECL_ARGUMENTS.
77         (c_push_function_context, c_pop_function_context): Save and
78         restore it.
79
80 2004-08-30  Richard Henderson  <rth@redhat.com>
81
82         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a 
83         COMPONENT_REF to pointer arithmetic.
84         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
85         constant "c" as a valid constant initializer.  Allow narrowing of
86         differences against the same base object, for any base object.
87
88 2004-08-30  Richard Henderson  <rth@redhat.com>
89
90         * expr.c (expand_expr_addr_expr): New.
91         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
92
93 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
94
95         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
96         (mips_fp_condition): New enum.
97         (mips_fp_conditions): New array.
98         (print_fcc_operand): Delete.
99         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
100         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
101         (builtin_description): Add "cond" field.
102         (DIRECT_BUILTIN): Initialize it.
103         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
104         into INSN and CODE.  Initialize the "cond" field.
105         (CMP_BUILTINS): Update accordingly.
106         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
107         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
108         mips_fp_condition as argument.  Make it the final operand of the
109         comparison instruction.
110         (mips_expand_builtin): Update accordingly.
111         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
112         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
113         the gaps.
114         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
115         Don't use the 'Q' operand prefix; just print the operand normally.
116         (mips_cabs_*, mips_c_*): Delete, replacing with...
117         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
118         patterns.  Split the 4s versions into 2 ps patterns after reload.
119
120 2004-08-30  Richard Henderson  <rth@redhat.com>
121
122         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
123         assuming an ADDR_EXPR is non-null.
124
125 2004-08-30  Jason Merrill  <jason@redhat.com>
126
127         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
128
129 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
130
131         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
132         * gcov.c (abort): Remove undef.
133
134         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
135         (struct tree_binfo): Remove primary field.
136
137 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
138
139         * fixinc/Makefile.in (machname.h): Remove.
140         (fixincl.x): Do not pass $@ to genfixes.
141         * fixinc/genfixes: Remove code to produce machname.h.
142         * fixinc/fixincl.sh: Move it here instead.
143         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
144         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
145         return a bool indicating whether pz_mn_name_pat is NULL.
146         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
147         Declare extern C variables for the ENV_TABLE.
148         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
149         instead use the result of mn_get_regexps.
150         * fixinc/fixtests.c: Likewise.
151
152 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
153
154         * configure.ac: Do not run fixincludes after stage1 during
155         toplevel bootstrap.
156         * configure: Regenerate.
157
158 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
159
160         * sched-deps.c (get_condition): Partially revert previous, by never
161         trying to extract the condition from a condjump.
162
163 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
164
165         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
166         (handle_visibility_attribute, c_determine_visibility): Likewise.
167         * c-common.h (my_friendly_assert): Remove.
168
169 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
170
171         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
172         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
173         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
174         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
175         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
176
177 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
178
179         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
180         in COMPONENT_REF nodes.
181
182 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
183
184         PR c++/15378
185         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
186         global_dc->warning_as_error_requested.
187         * diagnostic.c (diagnostic_initialize): Tidy.
188         * diagnostic.h (diagnostic_context::x_data): Remove
189         (diagnostic_context::issue_warnings_are_errors_message): Rename
190         from warnings_are_errors_message.
191         (diagnostic_context::warning_as_error_requested): New.
192
193 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
194
195         * sched-deps.c (get_condition): Fix breakage in previous patch.
196
197 2004-08-30  Paul Brook  <paul@codesourcery.com>
198
199         * doc/install.texi: Fix broken mpfr link.
200
201 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
202
203         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
204         other FreeBSD platforms.
205
206 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
207
208         * arm.h (REVERSE_CONDITION): Define.
209         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
210
211 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
212
213         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
214         just the codes, call reversed_comparison_code ().
215         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
216         (not_reg_cond): Use reversed_comparison_code.
217         (and_reg_cond): Likewise.
218         * ifcvt.c (cond_exec_process_if_block): Likewise.
219         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
220
221 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
222
223         * sched-deps.c (get_condition): Rewrite using jump support functions.
224         Use reversed_comparison_code.
225         (conditions_mutex_p): Use reversed_comparison_code.
226
227 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
228
229         * config/mips/mips.c (override_options): Disable hot/cold partitioning
230         for MIPS16.
231
232 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
233
234         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
235         (mips_function_type): Move to mips.c.
236         * config/mips/mips.c (mips_builtin_type): New enum.
237         (builtin_description): Replace code and ftype with builtin_type
238         and function_type.
239         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
240         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
241         (CODE_FOR_mips_abs_ps): Define.
242         (mips_bdesc): Use new macros.
243         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
244         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
245         (mips_expand_builtin_direct): New function.
246         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
247         builtin.  Replace boolean parameter with builtin_type.
248         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
249         (mips_expand_4s_compare_builtin): Delete, replacing with...
250         (mips_expand_builtin_compare): ...this new function.
251
252 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
253
254         PR rtl-optimization/16590
255         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
256
257 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
258
259         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
260         * tree-ssa-propagate.c: Fix documentation.
261
262 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
263
264         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
265         (mov[sd]fcc): Likewise.
266
267 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
268
269         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
270
271 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
272
273         * config/mips/mips.md (divide_condition): New mode attribute.
274         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
275         (sqrt[sd]f3): Redefine using SCALARF.
276         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
277         patterns.
278
279 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
280
281         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
282         (loadx, storex, fmt, UNITMODE): New mode attributes.
283         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
284         (mul[sd]f3): Redefine using :SCALARF.
285         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
286         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
287         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
288         Check TARGET_FUSED_MADD for V2SF too.
289         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
290         were already named.
291         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
292         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
293
294 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
295
296         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
297         V2SF_type_node if it will be needed.
298
299 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
300
301         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
302         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
303         (mips_prepare_builtin_target): New function.
304         (mips_expand_builtin): Use them.  Update calls to subroutines.
305         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
306         cmp_choice with a boolean argument to select between movt and movf.
307         Take the comparison's icode as an argument, not the function's fcode.
308         (mips_expand_compare_builtin): New function.  Rename existing function
309         to mips_expand_scalar_compare_builtin.
310         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
311         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
312         comparison's icode as an argument, not the builtin's fcode.
313
314 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
315
316         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
317         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
318         registers are false and -1 if all registers are true.
319         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
320         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
321         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
322         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
323         (bc1any2t, bc1any2f): Likewise CCV2.
324         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
325
326 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
327
328         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
329         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
330         UNSPEC rather than an IF_THEN_ELSE.
331         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
332         mips_cond_move_tf_ps by name.
333
334 2004-08-29  Chao-ying Fu  <fu@mips.com>
335             James E Wilson  <wilson@specifixinc.com>
336         
337         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
338         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
339         * config/mips/mips-ps-3d.md: New file.
340         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
341         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
342         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
343         (mips_output_move): Emit "mov.ps" for V2SFmode.
344         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
345         MODE_VECTOR_FLOAT.
346         (override_options): Check if TARGET_MIPS3D and there was an explicit
347         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
348         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
349         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
350         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
351         and allow CCV2 and CCV4 to occupy two and four CC registers.
352         (print_fcc_operand): New function.
353         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
354         %Z to call print_fcc_operand.
355         (mips_function_value): Handle MODE_VECTOR_FLOAT.
356         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
357         (mips_vector_mode_supported_p): New function.
358         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
359         (builtin_description): New struct.
360         (mips_bdesc): New array of struct builtin_description.
361         (mips_expand_builtin, mips_init_builtins,
362         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
363         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
364         functions.
365         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
366         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
367         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
368         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
369         "-mips3d", and "-mno-mips3d".
370         (ASM_SPEC): Map -mips3d to -mips3d in gas.
371         (EXTRA_CONSTRAINT_Y): New macro.
372         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
373         multi-letter constraint 'Y'.
374         (CONSTRAINT_LEN): New macro.
375         (enum mips_builtins): New for MIPS builtin functions.
376         (enum mips_function_type): New for the types of MIPS builtin functions.
377         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
378         * config/mips/mips.md: New constants for paired single and MIPS-3D 
379         instructions.  Include the new mips-ps-3d.md file.
380         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
381         movv2sf_hardfloat_64bit): New named patterns.
382         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
383         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
384         sdxc1_v2sf_di): New unnamed patterns.
385         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
386         const_vector support.
387         (const_0_or_1_operand): New predicate.
388         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
389
390 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
391
392         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
393         (tree-ssa-propagate.o): New rule.
394         (GTFILES): Add tree-ssa-propagate.c.
395         * tree-flow.h (struct stmt_ann_d): Remove field
396         in_ccp_worklist.
397         * tree-ssa-propagate.c: New file.
398         * tree-ssa-propagate.h: New file.
399         * tree-ssa-ccp.c: Re-write to use the routines from
400         tree-ssa-propagate.c.
401
402 2004-08-28  Andrew Pinski  <apinski@apple.com>
403
404         * tree-ssa-loop.c: Remove extra include of basic-block.h.
405
406 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
407
408         * c-common.h: Update comments about ObjC/ObjC++ entry points.
409         (objc_is_reserved_word): New prototype.
410         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
411         separate section; these are call-backs.
412         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
413         ObjC/ObjC++ "@" keywords.
414         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
415         prototypes; they already live in c-common.h.
416         * stub-objc.c: Update copyright notice.
417         (objc_is_reserved_word): New stub.
418
419 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
420
421         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
422         even when not checking.
423
424 2004-08-27  Jason Merrill  <jason@redhat.com>
425
426         PR c++/13684
427         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
428         (gimple_push_cleanup): Add eh_only parm.
429         (gimplify_target_expr): Pass it.
430         * c.opt (-fno-threadsafe-statics): New option.
431         * c-opts.c (c_common_handle_option): Handle it.
432         * c-common.h (flag_threadsafe_statics): Declare it.
433         * c-common.c (flag_threadsafe_statics): Record it.
434         * doc/invoke.texi: Document it.
435         * tsystem.h (_GNU_SOURCE): Define.
436         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
437         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
438         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
439         (__gthread_recursive_mutex_init_function): New fn.
440         (__gthread_recursive_mutex_lock): New fn.
441         (__gthread_recursive_mutex_trylock): New fn.
442         (__gthread_recursive_mutex_unlock): New fn.
443         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
444         * gthr-win32.h, gthr-vxworks.h: Likewise.
445         * gthr.h: Document.
446
447 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
448
449         * config/rs6000/rs6000.c (rs6000_override_options): Increase
450         maximum skip to 15.  Set function alignment, jump alignment, and
451         loop alignment to 16 for processors that form dispatch groups.
452         (rs6000_rtx_costs): outer_code is used.
453
454 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
455
456         * stor-layout.c (sizetype_set): Remove.
457         (set_sizetype): Don't test or set it.
458
459         * tree.h (size_int_type): Remove.
460         * fold-const.c: Do not #include gt-fold-const.h.
461         (size_htab_hash, size_htab_eq): Remove.
462         (size_int_kind): Use build_int_cst.
463         (new_const, size_htab): Remove.
464         (size_int_type): Remove.
465         (round_up): Use build_int_cst.
466         (round_down): Likewise. Remove spurious constant build.
467
468 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
469
470         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
471         Add is_release variable, use it for --enable-werror and
472         --enable-checking defaults.
473         * system.h (gcc_assert, gcc_unreachable): New.
474         * doc/install.texi (--enable-checking): Update.
475         * configure, config.in: Rebuilt.
476
477 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
478
479         * rtl.h (read_rtx): Change prototype.
480         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
481         line number.  Return true on success.
482         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
483         callers accordingly.
484
485 2004-08-26  Richard Henderson  <rth@redhat.com>
486
487         * c-typeck.c (build_offsetof): Remove.
488         * c-tree.h (build_offsetof): Remove.
489         * c-common.c (fold_offsetof_1, fold_offsetof): New.
490         * c-common.h (fold_offsetof): Declare.
491         * c-parse.in (offsetof_base): New.
492         (offsetof_member_designator): Use it.  Build references, not just
493         a tree list.
494         (primary): Use fold_offsetof, not build_offsetof.
495
496 2004-08-26  Richard Henderson  <rth@redhat.com>
497
498         * tree.c (staticp): Return the static object.
499         * tree.h (staticp): Update decl.
500         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
501         * langhooks.c (lhd_staticp): Return NULL_TREE.
502         * langhooks-def.h (lhd_staticp): Update decl.
503         * c-common.c (c_staticp): Return the static object.
504         * c-common.h (c_staticp): Update decl.
505
506 2004-08-26  Richard Henderson  <rth@redhat.com>
507
508         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
509         modes.
510
511 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
512
513         PR c/13801
514         * c-decl.c (struct c_binding): Add type and inner_comp fields.
515         (bind): Set type and inner_comp fields.
516         (pop_scope): Restore type of decl to the correct type from an
517         outer scope.  Give error when popping file scope for incomplete
518         arrays completed incompatibly with default initialization in an
519         inner scope.
520         (diagnose_mismatched_decls): Handle externs with initializers at
521         block scope.
522         (pushdecl): Set type of external declaration at block scope based
523         only on the visible declarations.  Save type when changing the
524         type of a declaration.  Merge an external declaration at block
525         scope with a visible static declaration at file scope.
526         (implicitly_declare): Give recycled old declaration the new type
527         except for incompatible declarations of built-in functions, saving
528         the old type.
529
530 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
531
532         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
533
534 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
535
536         * tree-alias-common.c (gate_pta): New function.
537         (pass_build_pta): Use it.
538         (pass_del_pta): Use it.
539         (delete_alias_vars): Don't check flag_tree_points_to.
540
541 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
542
543         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added 
544         TFmode as additional register mode cloberred by call.
545
546 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
547
548         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
549         parallel pattern for library call returning DImode in
550         mixed mode.
551
552 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
553
554         * config/rs6000/rs6000.c (function_arg): Generate parallel
555         pattern for more split args.
556
557 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
558
559         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
560         either gen_movdi_di_update or gen_movdi_si_update depending on
561         target mode.
562         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
563         to generate two versions.
564  
565 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
566
567         * Makefile.in (lambda-code.o): New.
568         (lambda-trans.o): Ditto.
569         (TREE_DATA_REF_H): Ditto.
570         (LAMBDA_H): Ditto.
571         (lambda-mat.o): Use LAMBDA_H.
572         (tree-data-ref.o): Ditto.
573         * lambda-code.c: New file.  Lambda code generation algorithm.
574         * lambda-trans.c: Ditto. Lambda transformation matrix support.
575         * lambda.h: Add lambda loop structures.
576         Add lambda loopnest structures.
577         Add lambda body vector structure.
578         Add lambda linear expression structures.
579         Add prototypes for functions in new files.
580         * lambda-mat.c: Include tree.h
581
582 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
583             Sebastian Pop  <pop@cri.ensmp.fr>   
584         
585         * tree-data-ref.h: Include lambda.h     
586         (free_dependence_relation): Declared here.
587         (free_dependence_relations): Ditto.     
588         (free_data_refs): Ditto.
589         * tree-data-ref.c (free_dependence_relation): New function.
590         (free_dependence_relations): Ditto.
591         (free_data_refs): Ditot.
592         (analyze_all_data_dependences): Free datarefs and dependence_relations.
593         (build_classic_dist_vector): Store in the dependence_relations the
594         information. Each arc in the dependence_relations graph is labelled
595         with the distance and direction vectors.
596         (build_classic_dir_vector): Ditto.
597         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
598         Now computes again the whole dependence graph including read-read
599         relations.
600         (compute_data_dependences_for_loop): Now dependence_relations contains
601         all the data, and thus it doesn't need to initialize the classic_dir
602         and classic_dist vectors.
603         (analyze_all_data_dependences): Adjusted for using the new interface of
604         compute_data_dependences_for_loop.  Remove the statistics dump.
605         
606 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
607
608         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
609         (xtensa_expand_block_move): Update comment.
610         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
611
612 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
613
614         PR target/13506
615         * toplev.c (crash_signal): If we crashed while emitting
616         a user asm, then die more gracefully.
617
618 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
619
620         PR target/17119.
621         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
622         checking for a valid constant, regardless of sign.
623
624 2004-08-25  Richard Henderson  <rth@redhat.com>
625
626         PR target/16974
627         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
628         if the constant satisfies add_operand.
629
630 2004-08-25  Richard Henderson  <rth@redhat.com>
631  
632         PR debug/10695
633         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
634         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
635         unwind info for >16-bit frames.
636
637 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
638
639         PR target/17171
640         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
641
642 2004-08-25  Richard Henderson  <rth@redhat.com>
643
644         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
645         (TARGET_CANNOT_FORCE_CONST_MEM): New.
646
647 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
648
649         * doc/tree-ssa.texi: Document new operand iterator.
650
651 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
652
653         PR target/16480
654         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
655         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
656         as PLUS base regs.
657
658 2005-08-28  Paul Brook  <paul@codesourcery.com>
659
660         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
661         -mfpu=vfp -march=armv5t
662         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
663
664 2004-08-25  Richard Henderson  <rth@redhat.com>
665
666         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
667         * target.h (struct gcc_target): Add scalar_mode_supported_p.
668         * targhooks.c (default_scalar_mode_supported_p): New.
669         * targhooks.h (default_scalar_mode_supported_p): Declare.
670         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
671
672         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
673         before attempting to create types.  Tidy.
674         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
675
676         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
677         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
678
679 2004-08-25  Richard Henderson  <rth@redhat.com>
680
681         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
682         set REAL_MODE_FORMAT for TFmode.
683
684 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
685
686         * c-decl.c (grokparm): New function.
687         * c-tree.h (grokparm): New prototype.
688
689 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
690
691         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
692         iterator controlling structure.
693         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
694         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
695         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
696         iterator flags.
697         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
698         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
699         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
700         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
701         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New. 
702         Empty operand pointers.
703         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
704         (op_iter_next_use): New.  Return next use_operand_p.
705         (op_iter_next_def): New.  Return next def_operand_p.
706         (op_iter_next_tree): New.  Return next operands as a tree.
707         (op_iter_init): New.  Initialize an iterator structure.
708         (op_iter_init_use): New.  Initialize structure and get the first use.
709         (op_iter_init_def): New.  Initialize structure and get the first def.
710         (op_iter_init_tree): New.  Initialize structure and get the first tree.
711         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
712         (op_iter_init_maydef): New.  Initialize structure and get the first 
713         V_MAY_DEF operands.
714         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
715         * tree-dfa.c (compute_immediate_uses_for_stmt, 
716         redirect_immediate_uses): Use new operand iterator.
717         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
718         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
719         operands instead of using *_disappeared_p routines.
720         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
721         ssa_rewrite_stmt): Use new operand iterator.
722         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
723         rewrite_trees): Use new operand iterator.
724         * tree-pretty-print.c (dump_vops): Use new operand iterator.
725         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
726         * tree-ssa-alias.c (compute_points_to_and_addr_escape, 
727         dump_points_to_info): Use new operand iterator.
728         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize, 
729         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new 
730         operand iterator.
731         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary, 
732         propagate_necessity): Use new operand iterator.
733         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
734         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
735         a parameter instead of a stmt_ann_t.
736         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
737         build_tree_conflict_graph): Use new operand iterator.
738         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
739         rewrite_mem_refs): Use new operand iterator.
740         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt, 
741         check_loop_closed_ssa_use): Use new operand iterator.
742         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
743         * tree-ssanames.c (release_defs): Use new operand iterator.
744         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
745
746 2004-08-25  Adam Nemet  <anemet@lnxw.com>
747
748         * tlink.c (initial_cwd): New variable.
749         (tlink_init): Initialize it.
750         (recompile_files): Use tlink_execute() instead of system().  Don't
751         duplicate verbose output of collect_execute.  Restore initial_cwd.
752         Update comment before the function.
753
754 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
755
756         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
757         accept) a cast from one Objective-C pointer type to another.
758
759 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
760
761         * doc/install.texi: Document that libstdc++-v3 requires
762         now automake 1.9.1.
763
764 2004-08-25  Caroline Tice  <ctice@apple.com>
765
766         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
767         to comments at start of function.
768         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
769         comment.
770         * cfgcleanup.c (try_simplify_condjump, try_forward_edges, 
771         merge_blocks_move_predecessor_nojumps, 
772         merge_blocks_move_successor_nojumps, merge_blocks_move, 
773         try_crossjump_to_edge, try_crossjump_bb): Likewise.
774         * cfglayout.c (fixup_reorder_chain): Likewise.
775         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
776         cfg_layout_can_merge_blocks_p):  Likewise.
777         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
778         * passes.c (rest_of_compilation): Update comments for calling 
779         optimization that partitions hot/cold basic blocks.
780         * doc/invoke.texi:  Update documentation of 
781         freorder-blocks-and-partition flag.
782         
783 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
784
785         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
786         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
787
788 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
789
790         * config/mips/mips.md (any_shift): New code macro.
791         (optab, insn): New code attributes.
792         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
793         Use the standard rather than internal patterns for the MIPS16
794         double-shift optimization.
795         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
796         Redefine using :GPR and any_shift.
797         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
798         to cover all three shifts.
799         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
800         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
801         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
802
803 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
804
805         * gimplify.c (lookup_tmp_var): Separate temporaries when not
806         optimizing.
807
808 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
809
810         PR libstdc++/17005 (fix for HP-UX 11.11)
811         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
812         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
813         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.  
814         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
815         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
816         (LINK_SPEC): Handle march=1.0 option.
817         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
818         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
819         (SUBTARGET_OPTIONS): New define.
820         (LINK_SPEC): Handle march=1.0 option.
821         (STARTFILE_SPEC): New define.
822         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
823         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
824         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
825         (SUBTARGET_OPTIONS): New define.
826         (LINK_SPEC): Handle march=1.0 option.
827         (STARTFILE_SPEC): New define.
828         * config/pa/pa.c (override_options): Add code to process -munix= option.
829         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
830         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
831         defines.
832         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
833         (SUBTARGET_OPTIONS): Provide default define.
834         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
835         STANDARD_STARTFILE_PREFIX_2): New defines.
836         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
837         (ENDFILE_SPEC): Use %O.
838         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
839         Mention issue caused by changing namespace and runtime to UNIX 95/98.
840         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
841         Document -munix=std option.
842
843 2004-08-25  Steven Bosscher  <stevenb@suse.de>
844
845         * cse.c (cse_around_loop, cse_check_loop_start,
846         cse_set_around_loop): Remove.
847         (cse_basic_block): Remove the around_loop argument.
848         (cse_end_of_basic_block): Remove the after_loop argument.
849         (cse_main): Likewise.
850         * rtl.h (cse_main): Update prototype.
851         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
852         rest_of_handle_gcse): Update cse_main calls.
853
854 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
855
856         * tree.h  (build_int_cst): New, sign extended constant.
857         (build_int_cstu): New, zero extended constant.
858         (build_int_cst_wide): Renamed from build_int_cst.
859         * tree.c (build_int_cst, build_int_cstu): New.
860         (build_int_cst_wide): Renamed from build_int_cst.
861         (make_vector_type, build_common_tree_nodes,
862         build_common_tree_nodes_2): Adjust build_int_cst calls.
863         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
864         expand_builtin_strpbrk, expand_builtin_fputs,
865         build_string_literal, expand_builtin_printf,
866         expand_builtin_sprintf, fold_builtin_classify_type,
867         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
868         fold_builtin_toascii, fold_builtin_isdigit,
869         simplify_builtin_strstr, simplify_builtin_strpbrk,
870         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
871         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
872         DEF_ATTR_INT): Likewise.
873         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
874         Likewise.
875         * c-lex.c (interpret_integer, lex_charconst): Likewise.
876         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
877         * c-pretty-print.c (pp_c_integer_constant): Likewise.
878         * c-typeck.c (really_start_incremental_init, push_init_level,
879         set_nonincremental_init_from_string): Likewise.
880         * calls.c (load_register_parameters): Likewise.
881         convert.c (convert_to_pointer): Likewise.
882         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
883         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
884         build_gcov_info): Likewise.
885         * except.c (init_eh, assign_filter_values): Likewise.
886         * expmed.c (store_fixed_bit_field, extract_bit_field,
887         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
888         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
889         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
890         * expr.c (convert_move, emit_group_load, emit_group_store,
891         expand_assignment, store_constructor, store_field,
892         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
893         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
894         invert_truthvalue, optimize_bit_field_compare,
895         decode_field_reference, all_ones_mask_p, constant_boolean_node,
896         fold_div_compare, fold, fold_read_from_constant_string,
897         fold_negate_const, fold_abs_const, fold_not_const, round_up,
898         round_down): Likewise.
899         * function.c (assign_parm_setup_block): Likewise.
900         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
901         Likewise.
902         * stor-layout.c (layout_type, initialize_sizetypes,
903         set_min_and_max_values_for_integral_type): Likewise.
904         * tree-chrec.c (chrec_fold_multiply_poly_poly,
905         reset_evolution_in_loop): Likewise.
906         * tree-chrec.h (build_polynomial_chrec): Likewise.
907         * tree-complex.c (build_replicated_const): Likewise.
908         * tree-eh.c (honor_protect_cleanup_actions,
909         lower_try_finally_onedest, lower_try_finally_copy,
910         lower_try_finally_switch): Likewise.
911         * tree-mudflap.c (mf_build_string, mx_register_decls,
912         mudflap_register_call, mudflap_enqueue_constant): Likewise.
913         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
914         * tree-pretty-print.c (dump_generic_node): Likewise.
915         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
916         Likewise.
917         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
918         * tree-ssa-loop-niter.c (number_of_iterations_cond,
919         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
920         Likewise.
921         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
922         canonicalize_loop_induction_variables): Likewise.
923         * tree-vectorizer.c (vect_create_index_for_array_ref,
924         vect_transform_loop_bound, vect_compute_data_ref_alignment):
925         Likewise.
926
927         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
928         alpha_gimplify_va_arg_1): Likewise.
929         * config/arm/arm.c (arm_get_cookie_size): Likewise.
930         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
931         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
932         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
933         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
934         mips_gimplify_va_arg_expr): Likewise.
935         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
936         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
937         add_compiler_branch_island): Likewise.
938         * config/s390/s390.c (s390_va_start): Likewise.
939         * config/sh/sh.c (sh_va_start): Likewise.
940         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
941         Likewise.
942         * config/xtensa/xtensa.c (xtensa_va_start,
943         xtensa_gimplify_va_arg_expr): Likewise.
944         
945         * objc/objc-act.c (build_objc_string_object,
946         build_objc_symtab_template, init_def_list, init_objc_symtab,
947         init_module_descriptor, generate_static_references,
948         build_selector_translation_table, get_proto_encoding,
949         build_typed_selector_reference, build_selector_reference,
950         build_next_objc_exception_stuff,
951         build_method_prototype_list_template, generate_descriptor_table,
952         generate_protocols, build_protocol_initializer,
953         build_ivar_list_template, build_method_list_template,
954         build_ivar_list_initializer, generate_ivars_list,
955         generate_dispatch_table, generate_protocol_list,
956         build_category_initializer, build_shared_structure_initializer,
957         generate_shared_structures, handle_impent,
958         generate_objc_image_info): Likewise.
959
960 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
961
962         * cfglayout.c (duplicate_insn_chain): Remove references to
963         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
964         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
965         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
966         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
967         and NOTE_INSN_LOOP_CONT.
968         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
969         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
970         and NOTE_INSN_LOOP_CONT.
971         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
972         check_dbra_loop, loop_dump_aux): Remove references to removed notes
973         and fields.
974         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
975         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
976         references to removed notes and fields.
977         (subtract_reg_term, ujump_to_loop_cont): Remove.
978
979 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
980
981         * doc/install.texi: Document that libcpp does not require
982         Automake any longer.  Document that Automake 1.9.1 should
983         work everywhere.
984
985 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
986
987         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
988         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
989         DWARF_DEBUGGING_INFO from choice-of-definition chain;
990         restructure using C89 features (#elif, #error).
991         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
992         * config/sh/sh.h: Remove references to DWARF_DEBUG.
993         * doc/invoke.texi: Remove references to DWARF version 1;
994         clarify why -gdwarf-2<n> doesn't work.
995
996 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
997
998         * basic-block.h (BB_SET_PARTITION): Clear old value first.
999         * cfg.c (clear_bb_flags): Don't clear partition setting.
1000         * ifcvt.c (find_if_case_1): Remove ??? comment.
1001
1002 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
1003
1004         PR target/17052
1005         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
1006         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1007         current_function_stdarg in place of sysv_varargs_p.
1008         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
1009         sysv_varargs_p.
1010
1011 2004-08-24  Richard Henderson  <rth@redhat.com>
1012
1013         PR target/16298
1014         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
1015         random codes within CONST.
1016
1017 2004-08-24  James E Wilson  <wilson@specifixinc.com>
1018
1019         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
1020         -freorder-blocks-and-partition.
1021
1022 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1023
1024         PR middle-end/17044
1025         * tree-ssa-threadupdate.c (redirection_data): Make static.
1026         (thread_block): Use ggc_alloc_cleared to allocate struct
1027         redirection_data.  Don't free elements in redirection_data.
1028
1029 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1030
1031         * config/mips/predicates.md (small_data_pattern): Match prefetches.
1032
1033 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1034
1035         PR tree-optimization/17016
1036         * tree-ssa-loop-niter.c (number_of_iterations_cond,
1037         number_of_iterations_exit): Use POINTER_TYPE_P instead
1038         of testing for POINTER_TYPE.
1039
1040 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1041
1042         * tree-ssa-loop-ivcanon.c: New file.
1043         * tree-ssa-loop-manip.c (create_iv): New function.
1044         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
1045         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
1046         * cfgloop.c (mark_single_exit_loops): New function.
1047         (verify_loop_structure): Verify single-exit loops.
1048         * cfgloop.h (struct loop): Add single_exit field.
1049         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
1050         (mark_single_exit_loops): Declare.
1051         (tree_num_loop_insns): Declare.
1052         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
1053         (duplicate_loop_to_header_edge): Use it.
1054         * common.opt (fivcanon): New flag.
1055         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
1056         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
1057         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
1058         (bsi_insert_on_edge_immediate): New function.
1059         * tree-flow.h (bsi_insert_on_edge_immediate,
1060         canonicalize_induction_variables, tree_unroll_loops_completely,
1061         create_iv): Declare.
1062         * tree-optimize.c (init_tree_optimization_passes): Add
1063         pass_iv_canon and pass_complete_unroll.
1064         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
1065         * tree-scalar-evolution.c (get_loop_exit_condition,
1066         get_exit_conditions_rec, number_of_iterations_in_loop,
1067         scev_initialize): Use single_exit information.
1068         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
1069         missing assumptions.
1070         (loop_niter_by_eval):  Return number of iterations as unsigned
1071         int.
1072         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
1073         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
1074         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
1075         New passes.
1076         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
1077         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
1078         the defining statement is ready.
1079         * tree-vectorizer.c (vect_create_iv_simple): Removed.
1080         (vect_create_index_for_array_ref, vect_transform_loop_bound):
1081         Use create_iv.
1082         (vect_transform_loop_bound): Use single_exit information.
1083         (vect_analyze_loop_form): Cleanup bogus tests.
1084         (vectorize_loops): Do not call flow_loop_scan.
1085         * tree.h (may_negate_without_overflow_p): Declare.
1086         * fold-const.c (may_negate_without_overflow_p): Split out from ...
1087         (negate_expr_p): ... this function.
1088         (tree_expr_nonzero_p): Handle overflowed constants correctly.
1089         * doc/invoke.texi (-fivcanon): Document.
1090         * doc/passes.texi: Document canonical induction variable creation.
1091
1092 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1093
1094         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
1095         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
1096         using the mode of the operand to decide between them.
1097         * config/mips/mips.md (MOVECC): New mode macro.
1098         (ccreg): New mode attribute.
1099         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
1100         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
1101         (mov[sd]icc): Redefine using :GPR.
1102
1103 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1104
1105         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
1106         (mips_prefetch_cookie): New function.
1107         * config/mips/mips.c (print_operand_address): Fix handling of
1108         ADDRESS_CONST_INT.
1109         (mips_emit_prefetch): Delete.
1110         (mips_prefetch_cookie): New function.
1111         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
1112         mode of QImode for the address_operand.  Use mips_prefetch_cookie
1113         to calculate the first "pref" operand.
1114         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
1115         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
1116
1117 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
1118
1119         * arm.md: Include predicates.md.
1120         * predicates.md: New file.
1121         * arm.c (s_register_operand, arm_hard_register_operand)
1122         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
1123         (arm_immediate_operand, arm_neg_immediate_operand)
1124         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
1125         (arm_add_operand, arm_addimm_operand, arm_not_operand)
1126         (offsettable_memory_operand, alignable_memory_operand)
1127         (arm_reload_memory_operand, arm_float_rhs_operand)
1128         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
1129         (index_operand, shiftable_operator, logical_binary_operator)
1130         (shift_operator, equality_operator, arm_comparison_operator)
1131         (minmax_operator, cc_register, dominant_cc_register)
1132         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
1133         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
1134         (const_shift_operand, load_multiple_operation)
1135         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
1136         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
1137         (cirrus_register_operand, cirrus_fp_register)
1138         (cirrus_shift_const): Delete, replaced with equivalents in
1139         predicates.md.
1140         (shift_op): Handle ROTATE.
1141         * arm-protos.h: Delete declarations for above.
1142         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
1143         * t-arm (MD_INCLUDES): Add predicates.md.
1144         (s-preds): Depends on MD_INCLUDES.
1145
1146 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1147
1148         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
1149         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
1150         patterns.  Redefine using :GPR.  Give the match_operator a mode.
1151         Use '%2' rather than '%z2' for operand 2.
1152
1153 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1154
1155         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
1156         attribute.
1157
1158 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1159
1160         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
1161         of internal patterns.
1162         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
1163         Redefine using :P.
1164         (tablejump): Use expand_binop to calculate address.  Adjust names
1165         of internal patterns.
1166         (tablejump[sd]i): Renamed from tablejump_internal[12].
1167         Redefine using :P.
1168         (tablejump_mips16[12]): Delete.
1169
1170 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1171
1172         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
1173         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
1174         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
1175         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
1176         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
1177
1178 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1179
1180         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
1181         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
1182         using :GPR.
1183         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
1184         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
1185         (*branch_equality[sd]i_inverted): Likewise
1186         branch_equality{,_di}_inverted.
1187         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
1188         Redefine using :GPR.
1189
1190 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
1191
1192         * rtl.def: Reorganize, placing all codes used only in machine
1193         descriptions at the end.
1194
1195         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
1196         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
1197         rtx_name, rtx_format arrays by direct reference to rtl.def,
1198         first undefining GENERATOR_FILE.  Define enum insn_note and
1199         note_insn_name array by direct reference to insn-notes.def.
1200         (adjust_field_rtx_def): Remove local definition of rtx_name.
1201         Use symbolic names for insn notes.
1202         * Makefile.in (gengtype.o): Update dependencies.
1203
1204 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
1205
1206         * basic-block.h (struct basic_block_def): Reorder fields to
1207         eliminate interior padding.  Remove 'partition' field.
1208         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
1209         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
1210         (BB_COPY_PARTITION): New macros.
1211         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
1212         Replace all references to the 'partition' field of a basic
1213         block with new macros.
1214
1215         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
1216         * final.c (final_scan_insn): Don't handle it.
1217         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
1218         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
1219         * sched-rgn.c (sched_is_disabled_for_current_region_p):
1220         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
1221
1222 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
1223
1224         * c-decl.c (c_init_decl_processing): Adjust
1225         build_common_tree_nodes call.
1226         * expmed.c (const_mult_add_overflow_p): Use
1227         build_distinct_type_copy.
1228         * stor-layout.c (early_type_list): Remove.
1229         (layout_type): Don't append to early_type_list.
1230         (initialize_sizetypes): Add signed_p argument.
1231         (set_sizetype): Overwrite the stub type nodes directly.
1232         * tree.c (copy_node_stat): Clear a type's value cache here ...
1233         (build_distinct_type): ... not here.
1234         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
1235         * tree.h (initialize_sizetypes): Add signed_p argument.
1236         (build_common_tree_nodes): Likewise.
1237
1238         * objc/objc-act.c (get_static_reference): Use
1239         build_variant_type_copy.
1240         (get_protocol_reference): Likewise.
1241         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
1242
1243 2004-08-24  Richard Henderson  <rth@redhat.com>
1244             Andrew Pinski  <apinski@apple.com>
1245
1246         * gimplify.c (gimplify_array_ref_to_plus): Delete.
1247         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
1248         for ARRAY_REF.
1249
1250         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
1251         ARRAY_REF also to get to the STRING_CST.
1252
1253 2004-08-24  Paul Brook  <paul@codesourcery.com>
1254
1255         * config/arm/arm.c (arm_override_options): Update error message.
1256         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
1257         TARGET_HARD_FLOAT_ABI.
1258         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
1259         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
1260
1261 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1262
1263         PR target/17093
1264         * config/m32r.md (movsi_sda): Add SI mode specification to
1265         UNSPEC.
1266
1267 2004-08-24  Nick Clifton  <nickc@redhat.com>
1268
1269         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
1270         of seth_add3_operand.
1271
1272 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
1273
1274         * Makefile.in (PROTO_OBJS): Add errors.o.
1275         * protoize.c (fancy_abort): Remove.
1276         * mips-tfile.c (fancy_abort): Add parameters.
1277
1278 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
1279
1280         * doc/trouble.texi (C++ misunderstandings): Fix example code.
1281
1282 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
1283
1284         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
1285         (host-default.o): Add dependency on HOOKS_H.
1286         * config/x-linux: Likewise.
1287         * config/x-solaris: Likewise.
1288         * config/i386/x-mingw32: Likewise.
1289         * config/rs6000/x-darwin: Likewise.
1290
1291 2004-08-23  James E Wilson  <wilson@specifixinc.com>
1292
1293         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
1294         DEF_REG_NOTE.
1295
1296 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
1297
1298         PR c/14492
1299         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
1300
1301 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
1302
1303         * cfg.c (check_bb_profile): Fix typos.
1304         * function.c (assign_parm_is_stack_parm): Likewise.
1305         * tree-nested.c: Likewise.
1306
1307 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
1308
1309         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
1310         Remove TYPECODE.
1311         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
1312
1313 2004-08-23  Eric Christopher  <echristo@redhat.com>
1314
1315         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
1316         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
1317         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
1318         * target.h: Ditto.
1319         * hooks.h: Include machmode.h.
1320         (hook_bool_mode_false): Declare.
1321         * hooks.c (hook_bool_mode_false): Define.
1322         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
1323         * stor-layout.c (layout_type): Ditto.
1324         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
1325         Define to target macro.
1326         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
1327         * config/arm/arm.c: Ditto. Use.
1328         * config/arm/arm.h: Ditto.
1329         * config/arm/arm-protos.h: Ditto.
1330         * config/i386/i386.c: Ditto.
1331         * config/i386/i386.h: Ditto.
1332         * config/rs6000/rs6000.c: Ditto.
1333         * config/rs6000/rs6000.h: Ditto.
1334         * config/sh/sh.c: Ditto.
1335         * config/sh/sh.h: Ditto.
1336         * config/sh/sh-protos.h: Ditto.
1337         * config/sh/sh.md: Use.
1338         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
1339         to TARGET_VECTOR_MODE_SUPPORTED_P.
1340
1341 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
1342
1343         * Makefile.in (BUILD_ERRORS): Set to build-errors.
1344         (errors.o): New target for host.
1345         (build-errors.o): New target for build.
1346         (genobjs): Replace errors.o with build-errors.
1347         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
1348         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
1349         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
1350         (fix-header.o): Add errors.h
1351         * collect2.c (fancy_abort): Add parameters.
1352         * collect2.h (fancy_abort): Don't declare.
1353         * errors.h (fancy_abort): Don't declare.
1354         * errors.c: Include either bconfig.h or config.h.
1355         (fancy_abort): Trim filename.
1356         * fix-header.c (v_fatal, fatal): Remove.
1357         (progname): Remove definition.
1358         (main): Set progname here.
1359         * gcc.c (fancy_abort): Add parameters.
1360         * gcc.h (fancy_abort): Remove declaration.
1361         * gcov.c (fancy_abort): Remove.
1362         * rtl.h (fancy_abort): Don't declare.
1363         (abort): Don't define.
1364         * tree.h (fancy_abort): Don't declare.
1365         (abort): Don't define.
1366         * system.h (fancy_abort): Declare.
1367         (abort): Define to fancy_abort.
1368         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
1369
1370         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
1371         (usize_type, ubitsizetype): Remove.
1372         * stor-layout.c (set_sizetype): Don't initialize usizetype,
1373         ubitsizetype.
1374         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
1375
1376         * tree.h (build_distinct_type_copy): New.
1377         (build_type_copy): ... here.  Rename to ...
1378         (build_variant_type_copy): ... here.
1379         * tree.c (build_qualified_type): Rename build_type_copy call.
1380         (build_distinct_type_copy): New, broken out of ...
1381         (build_type_copy): ... here.  Rename to ...
1382         (build_variant_type_copy): ... here.  Use
1383         build_distinct_type_copy.
1384         (build_common_tree_nodes_2): Rename build_type_copy call.
1385         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
1386         call.
1387         (handle_packed_attribute, handle_unused_attribute,
1388         handle_transparanet_union_attribute, handle_aligned_attribute,
1389         handle_deprecated_attribute): Likewise.
1390         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
1391         Likewise.
1392         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
1393         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
1394         build_distinct_type_copy.
1395
1396 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1397
1398         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
1399         attribute.
1400
1401 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1402
1403         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
1404         loads and stores.
1405         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
1406         formerly unnamed patterns.  Redefine using :P for the address.  Remove
1407         explicit length attributes.
1408
1409 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1410
1411         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
1412         New functions.
1413         (single_reachable_address): Use them.
1414         (schedule_sm): Add dump.
1415         (is_call_clobbered_ref): New function.
1416         (determine_lsm_reg): Check whether the reference is call clobbered.
1417         Only work for gimple_reg_type values.
1418
1419 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1420
1421         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
1422         $31 store insns.  Redefine using :GPR.
1423
1424 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1425
1426         * config/mips/mips.md (P): New mode macro.
1427         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
1428         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
1429         Add mode attributes.
1430
1431 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1432
1433         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
1434         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
1435         later constants to cover the gap.
1436         (load, store): New mode attributes.
1437         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
1438         Use new unspec constants.
1439
1440 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1441
1442         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
1443         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
1444         to use register_operand rather than uns_arith_operand as the predicate
1445         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
1446         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
1447         Redefine using :GPR.  Make same predicate change here.  Extend the
1448         commutativity of operands 1 and 2 from the SImode version to the
1449         DImode one.
1450         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
1451         but with no predicate changes.
1452         (*nor[sd]i3): Redefine using :GPR.
1453
1454 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1455
1456         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
1457         noreturn functions.
1458
1459 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1460
1461         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
1462         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
1463         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
1464         rather than "%z2" (with a fake const0_rtx for operand 2).
1465         (ffs[sd]i2): Redefine using :GPR.
1466         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
1467
1468 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1469
1470         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
1471
1472 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1473
1474         * config/mips/mips.md (any_extend): New code macro.
1475         (u, su): New code attributes.
1476         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
1477         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
1478         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
1479         (*{s,u}mul_acc_di): Redefine using any_extend.
1480         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
1481         to reflect real insn names.
1482         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
1483         with an any_extend template.
1484         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
1485         Add '*' to name.
1486
1487 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1488
1489         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
1490         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
1491         (mul[sd]i3_r4000): Redefine using :GPR.
1492         (mulsi3_mult3): Don't check TARGET_MAD separately.
1493         (muldi3_mult3): Moved after mulsi_mult3.
1494
1495 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1496
1497         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
1498         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
1499         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
1500         (TARGET_GAS, TARGET_MIPS_AS): Delete.
1501         (TARGET_GPWORD): Define to true for n32 on IRIX.
1502         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
1503         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
1504         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
1505         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
1506         (MDEBUG_ASM_SPEC): Delete, folding into...
1507         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
1508         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
1509         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
1510         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
1511         to define asm_abi_default_spec.
1512         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
1513         (TARGET_ASM_SELECT_SECTION): Delete.
1514         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
1515         for non-mips16 code, removing previous workaround for SGI assemblers.
1516         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
1517         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
1518         (override_options): Remove !TARGET_GAS and !have_named_sections code.
1519         (print_operand): Fold TARGET_GAS conditionals into asm strings.
1520         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
1521         ASM_STABS_OP and ASM_STABN_OP.
1522         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
1523         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
1524         (mips_output_function_prologue): Remove !TARGET_GAS code.
1525         (mips_select_rtx_section): Remove !have_named_sections code.
1526         (mips_select_section): Delete.
1527         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
1528         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
1529         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
1530         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
1531         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
1532         * config/mips/windiss.h (ASM_SPEC): Likewise.
1533
1534 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1535
1536         * read-rtl.c (map_value, mapping, macro_group): New structures.
1537         (BELLWETHER_CODE): New macro.
1538         (modes, codes, bellwether_codes): New variables.
1539         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
1540         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
1541         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
1542         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
1543         (add_map_value, initialize_macros): New functions.
1544         (def_hash, def_hash_eq_p): Generalize to anything that points to,
1545         or starts with, a char * field.
1546         (find_macro, read_mapping, check_code_macro): New functions.
1547         (read_rtx_1): New, split out from read_rtx.  Handle the new
1548         define_{mode,code}_{macro,attr} constructs.  Use find_macro
1549         to parse the name of a code or mode.  Use BELLWETHER_CODE to
1550         extract the format and to choose a suitable code for rtx_alloc.
1551         Modify recursive invocations to use read_rtx_1.
1552         (read_rtx): Call initialize_macros.  Apply code and mode macros
1553         to the rtx returned by read_rtx_1.  Cache everything after the
1554         first macro expansion for subsequent read_rtx calls.
1555         * doc/md.texi: Document new .md constructs.
1556         * config/mips/mips.md (GPR): New mode macro.
1557         (d, si8_di5): New mode attributes.
1558         (any_cond): New code macro.
1559         (add[sd]i3): Redefine using :GPR.
1560         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
1561         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
1562         previously unnamed MIPS16 patterns.
1563         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
1564         lines.  Don't match (plus (const_int 0) ...).
1565         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
1566         Use a define_split to generate the addition.
1567         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
1568         (subsi3_internal): Delete.
1569         (*subsi3_extended): Renamed from subsi3_internal_2.
1570         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
1571         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
1572         using an any_cond template.
1573
1574 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1575
1576         * read-rtl.c (read_rtx): Tidy use of format_ptr.
1577
1578 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1579
1580         * read-rtl.c (string_obstack): New file-scope variable.
1581         (read_string, read_quoted_string, read_braced_string)
1582         (read_escape): Remove obstack parameter and use string_obstack instead.
1583         (read_rtx): Remove function-local rtl_obstack and initialize
1584         string_obstack instead.  Update call to read_string.
1585
1586 2004-08-22  Andrew Pinski  <apinski@apple.com>
1587
1588         PR c/15262
1589         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
1590         expression is not constant.
1591         (c_finish_return): Do not go through INDIRECT_REF when looking
1592         for the inner expression of an ADDR_EXPR for warning about.
1593
1594 2004-08-22  Richard Henderson  <rth@redhat.com>
1595
1596         PR 17075
1597         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
1598         create new blocks and fall through.
1599         (expand_gimple_basic_block): Update to match.
1600
1601 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
1602
1603         * reload.c (find_reloads_address): Make return value tri-state.
1604         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
1605         (find_reloads): Assume that reloaded addresses match 'o' or
1606         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
1607         returned 1 (not -1).  Omit optional reloads for address operands
1608         only if find_reloads_address returned 1 (not -1).
1609
1610         * config/s390/s390.c (legitimize_reload_address): New function.
1611         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
1612         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
1613         legitimize_reload_address.
1614
1615 2004-08-22  Richard Hendersion  <rth@redhat.com>
1616
1617         * tree.h (SAVE_EXPR_RESOLVED_P): New.
1618         * gimplify.c (gimplify_save_expr): Use it.
1619         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
1620         on the temporary variable.
1621
1622 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
1623
1624         * fold-const.c (rtl_expr_nonnegative_p): Delete.
1625         * tree.h (rtl_expr_nonnegative_p): Remove.
1626
1627 2004-08-22  Steven Bosscher  <stevenb@suse.de>
1628
1629         * config/i386/ppro.md (ppro_complex_insn): Add missing check
1630         for cpu==pentiumpro.
1631
1632         * combine.c (struct reg_stat): Fix comment typo.
1633
1634 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1635
1636         * c-tree.h (c_sizeof_nowarn): Remove.
1637
1638 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
1639
1640         * c-decl.c (set_array_declarator_type): Rename to
1641         set_array_declarator_inner.
1642         (build_c_parm, build_attrs_declarator, build_function_declarator):
1643         New functions.
1644         (make_pointer_declarator): Call build_attrs_declarator.
1645         * c-tree.h (set_array_declarator_type): Rename to
1646         set_array_declarator_inner.
1647         (build_c_parm, build_attrs_declarator, build_function_declarator):
1648         New prototypes.
1649         * c-parse.in (after_type_declarator,
1650         parm_declarator_starttypename, parm_declarator_nostarttypename,
1651         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
1652         firstparm): Use these functions
1653
1654 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
1655
1656         * c-decl.c (build_array_declarator, set_array_declarator_type,
1657         start_decl, grokdeclarator, grokparms): Change boolean parameters
1658         to type bool.
1659         * c-tree.h (build_array_declarator, set_array_declarator_type,
1660         start_decl): Update prototypes.
1661         * c-decl.c, c-parse.in: All callers changed.
1662
1663 2004-08-21  Mike Stump  <mrs@apple.com>
1664
1665         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
1666         (darwin_fix_and_continue): Likewise.
1667         (darwin_fix_and_continue_switch): Likewise.
1668         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
1669         (darwin_fix_and_continue): Likewise.
1670         (darwin_fix_and_continue_switch): Likewise.
1671
1672 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
1673
1674         PR  c++/16030
1675         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
1676         Remove, merging into ...
1677         (gen_stdcall_or_fastcall_suffix): New function, returning tree
1678         rather than const char*, and accepting additional parameter.
1679         Don't add suffix to '*'-prefixed symbols or variadic functions.
1680         (i386_pe_encode_section_info): Adjust for call to new function.
1681         Call change_decl_assembler_name.
1682
1683 2004-08-20  Mike Stump  <mrs@apple.com>
1684
1685         * config/darwin.c (machopic_indirect_data_reference): Mark
1686         stubs as defined.
1687         * config/386/386.c (darwin_local_data_pic): Add.
1688         (legitimate_constant_p): Reorder so that PLUS handling runs
1689         before darwin_local_data_pic to match the ordering in
1690         legitimate_pic_address_disp_p and so that MINUS runs after
1691         darwin_local_data_pic as otherwise the darwin_local_data_pic
1692         logic can be skipped, which would be very bad.
1693         (legitimate_pic_address_disp_p): Move from from here to
1694         darwin_local_data_pic so it can be reused.
1695
1696 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
1697
1698         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
1699         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
1700         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
1701         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
1702         (RS6000_ABI_NAME): Define as "linux".
1703         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
1704         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
1705         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
1706         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
1707         * config/rs6000/rs6000.c (dot_symbols): New global var.
1708         (rs6000_output_function_entry): New function, modified for
1709         !DOT_SYMBOLS..
1710         (print_operand <case 'z'>): ..extracted from here.
1711         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
1712         (rs6000_output_function_epilogue): Likewise.
1713         (rs6000_elf_declare_function_name): Likewise.
1714         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
1715         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
1716         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
1717         * configure: Regenerate.
1718         * config.in: Regenerate.
1719
1720 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
1721
1722         * reload.c (find_reloads_address): Fix thinko in previous change.
1723
1724         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
1725         a CONST_INT.
1726
1727 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
1728
1729         PR rtl-optimization/17099
1730         * combine.c (force_to_mode): Check if inner_mask has any bits set
1731         outside of GET_MODE (x) instead of op_mode.
1732
1733 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
1734
1735         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
1736         fragment.
1737         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
1738         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
1739         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
1740         architecture.
1741         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
1742         configurations.
1743         * config/arm/t-symbian: New file.
1744
1745 2004-08-20  Andrew Pinski  <apinski@apple.com>
1746
1747         * regrename.c (kill_value_regno): ANSIfy.
1748
1749 2004-08-20  Dale Johannesen  <dalej@apple.com>
1750
1751         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
1752
1753 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
1754
1755         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
1756         (kill_value_regno): New function, derived from kill_value.
1757         (kill_value): Update.
1758         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
1759
1760 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
1761
1762         Fix PR tree-optimization/17111
1763         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
1764         of non-value_handles.
1765         (bitmap_set_contains): All constants are in every set.
1766
1767 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
1768
1769         * fold-const.c (round_up, round_down): Use build_int_cst.
1770         Optimize common case.
1771
1772 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
1773             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1774
1775         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
1776         one_only_data_section): Rename to som_readonly_data_section,
1777         som_one_only_readonly_data_section and som_one_only_data_section.
1778         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
1779         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
1780         conditional defines.
1781         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
1782         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
1783         string values.
1784         (pa_select_section): Use renamed section functions.
1785         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1786         SOM_READONLY_DATA_SECTION_FUNCTION,
1787         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
1788         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
1789         Define here ...
1790         * config/pa/som.h: ... not here.
1791         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
1792         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
1793         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
1794         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
1795         (READONLY_DATA_SECTION): Use som_readonly_data_section.
1796
1797 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
1798
1799         * fold-const.c (int_const_binop): Don't generate non-overflowing
1800         size-types specially.
1801         (fold_convert_const): Likewise.
1802
1803         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
1804         clear cache on copied sizetype.
1805
1806 2004-08-20  Ben Elliston  <bje@au.ibm.com>
1807
1808         * configure.ac: Don't escape apostrophe in --enable-coverage help.
1809         * configure: Regenerate.
1810
1811 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
1812
1813         PR 5620
1814         * gcc.c (struct stat input_stat): Don't define if
1815         HOST_LACKS_INODE_NUMBERS
1816         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
1817         than stat to determine if temp file is same as input file.
1818         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
1819         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
1820
1821 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
1822
1823         * configure.ac (mips*-*-*): Print an error if not using GAS.
1824         * configure: Regenerated.
1825         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
1826         comments about buggy MIPSpro assemblers.
1827         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
1828         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
1829         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
1830         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
1831         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
1832         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
1833         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
1834         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
1835         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
1836         of more general IRIX 6 definitions.
1837         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
1838         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
1839         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
1840         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
1841         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
1842         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
1843         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
1844         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
1845         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
1846         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
1847         (LINK_SPEC): Move most of definition to iris.h.
1848         (SUBTARGET_LINK_SPEC): New macro.
1849         (IRIX_STARTFILE_SPEC): Fold into...
1850         (STARTFILE_SPEC): ...here.
1851         (IRIX_ENDFILE_SPEC): Fold into...
1852         (ENDFILE_SPEC): ...here.
1853         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
1854         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
1855         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
1856         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
1857         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
1858         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
1859         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
1860         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
1861         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
1862         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
1863         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
1864         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
1865         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
1866         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
1867         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
1868         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
1869         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
1870         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
1871         (TARGET_IRIX6): Define to 1.
1872         (DRIVER_SELF_SPECS): Define.
1873         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
1874         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
1875         (SUBTARGET_LINK_SPEC): New macro.
1876         (IRIX_STARTFILE_SPEC): Fold into...
1877         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
1878         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
1879         (LIB_SPEC, LIBGCC_SPEC): Use them.
1880         (LIB_SPEC): Remove !mabi=* case.
1881         (IRIX_ENDFILE_SPEC): Fold into...
1882         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
1883         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
1884         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
1885         (TARGET_IRIX6): New macro.
1886         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
1887         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
1888         (LABEL_AFTER_LOC): Delete.
1889         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
1890         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
1891         (mips_build_builtin_va_list): Check TARGET_IRIX6.
1892         (override_options): Remove TARGET_SGI_O32_AS-related code.
1893         (irix_output_external_libcall): Make static.
1894         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
1895         LABEL_AFTER_LOC.
1896         (mips_file_start): Tidy guard for ABI sections.  Remove use of
1897         ABICALLS_ASM_OP; use .abicalls instead.
1898         (mips_output_aligned_decl_common, mips_declare_object_name)
1899         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
1900         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
1901         .globl foo .text directives.
1902         (irix_asm_named_section_1, irix_asm_named_section)
1903         (irix_section_align_entry, irix_section_align_htab)
1904         (irix_orig_asm_out_file, irix_section_align_entry_eq)
1905         (irix_section_align_entry_hash, irix_asm_output_align)
1906         (irix_file_start, irix_section_align_1, copy_file_data)
1907         (irix_file_end, irix_section_type_flags): Delete.
1908         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
1909         Use standard section syntax.  Remove protective "jr $31".
1910         (__gcc_fini): Likewise .gcc_fini.
1911         * config/mips/irix-crtn.asm: Adjust sections accordingly.
1912         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
1913         iris5gas.h.
1914         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
1915         from t-irix-gld.
1916         (EXTRA_MULTILIB_PARTS): Define.
1917         * config/mips/t-iris6: Remove bogus comment.
1918         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
1919         * config/mips/iris5gas.h, config/mips/iris5gld.h,
1920         config/mips/iris6gas.h, config/mips/iris6gld.h,
1921         config/mips/t-iris5-as, config/mips/t-iris5-gas
1922         config/mips/t-irix-gld: Delete.
1923         * config/mips/iris.h: New file.
1924         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
1925
1926 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
1927
1928         * postreload.c (reload_cse_move2add): Allow any condjump, but check
1929         that the implicit set isn't clobbered in the jump insn.
1930
1931 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
1932
1933         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
1934         * optabs.c (init_optabs): Don't check it.
1935         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
1936         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
1937
1938 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
1939
1940         * config/s390/s390.md (s390_warn_framesize_string)
1941         (s390_warn_dynamic_string, s390_stack_size_string)
1942         (s390_stack_guard_string): New global string variables.
1943         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
1944         (s390_stack_guard): New global variables.
1945         (override_options): Added checks for the new options.
1946         (s390_emit_prologue): Emit stack check and trap code and perform
1947         compile time stack size checking.
1948
1949         * config/s390/s390.h (TARGET_OPTIONS): Added new options
1950         "warn-framesize", "warn-dynamicstack", "stack-size" and
1951         "stack-guard".
1952
1953         * doc/invoke.texi: Added documentation for the new options.
1954
1955 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
1956
1957         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
1958         to eliminate warning.
1959         (linear_search_fdes): Declare p as unsigned.
1960         (binary_search_mixed_encoding_fdes): Likewise.
1961         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
1962         to eliminate warning.
1963         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
1964         type cast.
1965
1966 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
1967
1968         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
1969         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
1970         instead of one.  Check for strictly legitimate address.
1971         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
1972         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
1973
1974 2004-08-19  Eric Christopher  <echristo@redhat.com>
1975
1976         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
1977         * langhooks.h (unsave_expr_now): Ditto.
1978         * tree.h (unsave_expr_1): Remove prototype.
1979         (lhd_unsave_expr_now): Rename to unsave_expr_now.
1980         * tree-inline.c (unsave_expr_1): Move here
1981         from tree.c. Make static.
1982         (unsave_expr_now): Rename from lhd_unsave_expr_now.
1983         * tree-sra.c: Fix up for rename.
1984         * tree-ssa-copy.c: Ditto.
1985         * tree-eh.c: Ditto.
1986         * tree.c (unsave_expr_1): Move to tree-inline.c.
1987
1988 2004-08-19  Caroline Tice  <ctice@apple.com>
1989
1990         * config/i386/cygming.h (switch_to_section):  Fix typo (change
1991         in_unlikely_text_section to in_unlikely_executed_text).
1992
1993 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
1994
1995         * vec.h (VEC_lower_bound): New macro.
1996
1997 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
1998
1999         PR target/16446
2000         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
2001         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
2002         treat each ABI separately.  Deal with n32/n64 complex float arguments.
2003         (function_arg): Add associated complex handling here.
2004
2005 2004-08-19  Richard Henderson  <rth@redhat.com>
2006
2007         * config/arm/arm.c (arm_gen_load_multiple): Use
2008         adjust_automodify_address.  Take base memory and offset instead
2009         of unchanging/struct/scalar bits.
2010         (arm_gen_store_multiple): Likewise.
2011         (arm_gen_movmemqi): Use adjust_automodify_address.
2012         * config/arm/arm-protos.h: Update decls.
2013         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
2014         (store_multiple): Similarly.
2015
2016 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
2017
2018         * regclass.c (globalize_reg): Update call_really_used_regs.
2019
2020 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
2021
2022         * doc/invoke.texi (integer-share-limit): Document.
2023
2024         * tree.h (TYPE_CACHED_VALUES_P): New.
2025         (TYPE_CACHED_VALUES): New.
2026         (TYPE_ORIG_SIZE_TYPE): Adjust.
2027         * tree.def (INTEGER_CST): Update documentation.
2028         * tree.c: Inlcude params.h.
2029         (build_int_cst): Cache small values.
2030         (build_type_copy): Do not copy the value cache.
2031         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
2032         unneeded zeroing.
2033         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
2034         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
2035         cache.
2036         * fold-const.c (force_fit_type): Copy value when setting
2037         overflows.
2038         (int_const_binop): Likewise.
2039         * stor-layout.c: Include params.h
2040         (set_sizetype): Create values cache.
2041         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
2042         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
2043         * params.h (INTEGER_SHARE_LIMIT): New.
2044         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
2045
2046 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
2047
2048         * gimplify.c (gimplify_minimax_expr): Remove.
2049         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
2050
2051 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
2052
2053         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
2054         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
2055
2056 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
2057
2058         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
2059
2060 2004-08-18  Andrew Pinski  <apinski@apple.com>
2061
2062         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
2063
2064 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
2065
2066         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
2067         (__aeabi_ul2f): Likewise.
2068
2069 2004-08-18  Richard Henderson  <rth@redhat.com>
2070
2071         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
2072         move to rtl completely.
2073         (struct meminsnbuf, xtensa_emit_block_move): Remove.
2074         (xtensa_find_mode_for_size): Remove.
2075         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
2076         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
2077
2078 2004-08-18  Richard Henderson  <rth@redhat.com>
2079
2080         * config/mcore/mcore.c (mode_from_align): Remove DImode.
2081         (block_move_sequence): Rewrite to use adjust_address.
2082         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
2083         Return boolean indicating success/failure.
2084         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
2085         * config/mcore/mcore.md (movmemsi): Update to match.
2086
2087 2004-08-18  Mike Stump  <mrs@apple.com>
2088
2089         * doc/invoke.texi (-mfix-and-continue): Add support for
2090         fast turn around debugging.
2091         (-ffix-and-continue): Likewise.
2092         (-mindirect-data): Likewise.
2093         (-findirect-data): Likewise.
2094         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
2095         (indirect_data): Likewise.
2096         (machopic_data_defined_p): Likewise.
2097         (machopic_output_indirection): Likewise.
2098         (darwin_encode_section_info): Likewise.
2099         (darwin_fix_and_continue): Likewise.
2100         (darwin_fix_and_continue_switch): Likewise.
2101         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
2102         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
2103         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
2104         (SUBTARGET_OPTIONS): Likewise.
2105         (darwin_fix_and_continue): Likewise.
2106         (darwin_fix_and_continue_switch): Likewise.
2107         (TARGET_FIX_AND_CONTINUE): Likewise.
2108         * config/rs6000.c (rs6000_emit_prologue): Likewise.
2109
2110 2004-08-19  Steven Bosscher  <stevenb@suse.de>
2111
2112         * basic-block.h (struct edge_def): Remove crossing_edge.
2113         (EDGE_CROSSING): New define.
2114         (EDGE_ALL_FLAGS): Update.
2115         * bb-reorder.c (find_traces_1_round, better_edge_p,
2116         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
2117         find_jump_block, fix_crossing_conditional_branches,
2118         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
2119         Replace all occurences of crossing_edge with an edge flag check
2120         or set/reset.
2121         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2122         try_crossjump_bb): Likewise.
2123         * cfglayout.c (fixup_reorder_chain): Likewise.
2124         * cfgrtl.c (force_nonfallthru_and_redirect,
2125         commit_one_edge_insertion): Likewise.
2126
2127         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
2128         * tree-flow.h (compute_dominance_frontiers): Move prototype...
2129         * basic-block.h:  ...here.
2130         * tree-cfg.c (compute_dominance_frontiers_1,
2131         compute_dominance_frontiers): Move from here...
2132         * cfganal.c: ...to here.  Include timevar.h.
2133
2134 2004-08-18  James E Wilson  <wilson@specifixinc.com>
2135
2136         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
2137         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
2138
2139         * config/mips/mips.md (type): Add frdiv.
2140         (divsf3+1, divsf3+2): Change type to frdiv.
2141         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
2142         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
2143
2144         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
2145         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
2146         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
2147         * config/mips/5000.md (r5k_fdiv_single): Likewise.
2148         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
2149         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
2150         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
2151         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
2152         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
2153         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
2154         Likewise.
2155         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
2156
2157 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
2158
2159         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
2160         get regression tester working again.
2161
2162 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
2163
2164         * insn-notes.def, reg-notes.def: New files.
2165         * rtl.h: Use them to define enum insn_note and enum reg_note.
2166         * rtl.c: Use them to define note_insn_name and reg_note_name.
2167         * Makefile.in (RTL_BASE_H): Update.
2168
2169         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
2170         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
2171
2172 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
2173
2174         * arm.c (arm_size_rtx_costs): New function.
2175         (arm_override_options): Use it if optimizing for space.
2176
2177 2004-08-18  Richard Henderson  <rth@redhat.com>
2178
2179         * emit-rtl.c (gen_const_mem): New.
2180         * rtl.h (gen_const_mem): Declare.
2181         * expr.c (do_tablejump): Use it.
2182         * varasm.c (force_const_mem): Likewise.
2183         * config/darwin.c (machopic_indirect_data_reference): Likewise.
2184         (machopic_legitimize_pic_address): Likewise.
2185         * config/arm/arm.c (legitimize_pic_address): Likewise.
2186         * config/i386/i386.c (legitimize_pic_address): Likewise.
2187         (legitimize_tls_address): Likewise.
2188         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
2189         * config/ia64/ia64.md (load_fptr): Likewise.
2190         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
2191         * config/pa/pa.c (legitimize_pic_address): Likewise.
2192         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
2193         (rs6000_emit_move): Likewise.
2194         * config/s390/s390.c (legitimize_pic_address): Likewise.
2195         (legitimize_tls_address): Likewise.
2196         * config/s390/s390.md (casesi): Likewise.
2197         * config/sh/sh.c (sh_reorg): Likewise.
2198         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
2199         * config/v850/v850.md (casesi): Likewise.
2200
2201         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
2202         * config/sh/sh.c (prepare_move_operands): Remove incorrect
2203         use of MEM_READONLY_P.
2204
2205 2004-08-18  Steven Bosscher  <stevenb@suse.de>
2206
2207         * Makefile.in (OBJS-common): Add postreload-gcse.c.
2208         Add new postreload-gcse.o.
2209         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
2210         (lookup_as_function, insert, rehash_using_reg, use_related_value,
2211         equiv_constant): Use SAFE_HASH instead of safe_hash.
2212         (exp_equiv_p): Export.  Add for_gcse argument when comparing
2213         for GCSE.
2214         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
2215         find_comparison_args, fold_rtx, cse_insn): Update callers.
2216         (hash_rtx): New function derived from old canon_hash and bits
2217         from gcse.c hash_expr_1.
2218         (canon_hash_string): Rename to hash_rtx_string.
2219         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
2220         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
2221         (cselib_lookup): Update this caller.
2222         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
2223         Make static.
2224         (hash_expr): Call hash_rtx.
2225         (ldst_entry): Likewise.
2226         (expr_equiv_p): Call exp_equiv_p.
2227         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
2228         reg_used_on_edge, reg_set_between_after_reload_p,
2229         reg_used_between_after_reload_p, get_avail_load_store_reg,
2230         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
2231         get_bb_avail_insn, hash_scan_set_after_reload,
2232         compute_hash_table_after_reload,
2233         eliminate_partially_redundant_loads, gcse_after_reload,
2234         get_bb_avail_insn, gcse_after_reload_main): Remove.
2235         * postreload-gcse.c: New file, reincarnating most of the above.
2236         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
2237         (gcse_after_reload_main): Update prototype.
2238         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
2239         * passes.c (rest_of_handle_gcse2): Use it.
2240
2241 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
2242
2243         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
2244         (pass_loop_done): Likewise.
2245
2246 2004-08-18  Andrew Pinski  <apinski@apple.com>
2247
2248         * config/rs6000/darwin.md: Delete the altivec patterns which are
2249         handled differently now.
2250         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
2251         (macho_correct_pic_di): Likewise.
2252         (call_indirect_nonlocal_darwin64): Likewise.
2253         Delete the save world/saveFP/saveVec patterns.
2254
2255         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
2256         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
2257         * config/rs6000/rs6000.md: Include darwin.md.
2258         (builtin_setjmp_receiver): Add DImode case.
2259         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
2260         Darwin bits.
2261
2262 2004-08-18  Matt Austern  <austern@apple.com>
2263
2264         Dead code stripping
2265         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
2266         * darwin.c (darwin_file_end): Mark file as potentially strippable.
2267
2268 2004-08-18  Richard Henderson  <rth@redhat.com>
2269
2270         * alias.c (readonly_fields_p): Remove.
2271         (objects_must_conflict_p): Don't call it.
2272         * tree.h (readonly_fields_p): Remove.
2273         * langhooks.h (struct lang_hooks): Remove honor_readonly.
2274         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
2275
2276 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
2277
2278         * tree-dfa.c (add_referenced_var): Only global variables are
2279         call-clobbered.
2280         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
2281         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
2282         all pointers dereferenced if the statement dereferences them.
2283         (create_name_tags): Do not create memory tags for pointers
2284         that have PT_ANYTHING set.
2285         Also check if PT_VARS is not empty before creating a name tag.
2286         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
2287         variables that share the same alias set with a pointer that
2288         may point anywhere.
2289         (add_may_alias): Add FIXME comment to remove clobbering
2290         aliased variables and tags.
2291         (replace_may_alias): Likewise.
2292         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
2293         (merge_pointed_to_info): If the original variable has not
2294         points-to information, call set_pt_anything.
2295         (add_pointed_to_var): Do not prevent adding a pointed-to
2296         variable if the pointers is PT_ANYTHING.
2297         If the variable is a global, set PT_GLOBAL_MEM.
2298         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
2299         pointer type only come in PTR+OFFSET flavours.
2300         Always call merge_pointed_to_info on PHI arguments that are
2301         SSA_NAMEs.
2302         (get_nmt_for): Mark call-clobbered tags whose pointer points
2303         to global memory.
2304         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
2305         values.
2306         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
2307         FLAGS.
2308         (add_stmt_operand): Abort if the caller tried to add a killing
2309         definition for a memory tag.
2310         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
2311         unnecessary checks.
2312
2313 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
2314
2315         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
2316         from call_used_regs.  Update call_really_used_regs.
2317         (CALL_REALLY_USED_REGISTERS): Define.
2318         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
2319         Replace call_used_regs with call_really_used_regs.
2320         (calc_live_regs, sh_media_register_for_return): Likewise.
2321         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
2322         * sh.md (return_media): Likewise.
2323
2324 2004-08-18  Andrew Pinski  <apinski@apple.com>
2325
2326         * config/darwin.c (machopic_legitimize_pic_address): Only set
2327         MEM_READONLY_P in the non TARGET_TOC case.
2328
2329 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
2330
2331         * rtl.def (NIL): Delete.
2332         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
2333         Tighten the syntax a little.
2334
2335         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
2336         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
2337         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
2338         * config/i386/predicates.md, config/m32r/m32r.h
2339         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
2340         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
2341         * config/sparc/sparc.h, doc/tm.texi:
2342         Replace all occurrences of NIL with UNKNOWN.
2343
2344 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
2345
2346         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
2347         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
2348         sequence inline.  Move drop_through_label code into this
2349         block, being the only place it is used.  Adjust comments.
2350
2351 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
2352
2353         * config/rs6000/altivec.md: Add new patterns for calls to
2354         save_world/rest_world functions.
2355
2356         * config/rs6000/rs6000-protos.h: (save_world_operation,
2357         restore_world_operation) new declarations.
2358
2359         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
2360         field added.
2361         (rs6000_stack_info): Set world_save_p field.
2362         (save_world_operation): New function.
2363         (restore_world_operation): New function.
2364         (compute_save_world_info): New function.
2365         (rs6000_stack_info): Call compute_save_world_info.
2366         (rs6000_emit_prologue): Check for world_save_p and generate
2367         pattern to call save_world for saving all non-volatile and
2368         special registers.
2369         (rs6000_emit_epilogue): Check for world_save_p and generate
2370         pattern to call rest_world to restore saved registers.
2371
2372         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
2373         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
2374         (rs6000_reg_names): New entries added for save_world_operation and
2375         restore_world_operation.
2376
2377 2004-08-18  Caroline Tice  <ctice@apple.com>
2378
2379         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
2380         "-freorder-blocks-and-partition" to the flags used in second
2381         stage of profiledbootstrap.
2382         * bb-reorder.c (push_to_next_round_p): Add new variable,
2383         next_round_is_last; set and use variable to make sure, when
2384         partitioning, that the last trace construction round consists
2385         of all (and only) cold basic blocks.
2386         (rotate_loop): Don't copy blocks that end in a section
2387         crossing jump.
2388         (copy_bb): Correctly initialize "partition" of duplicated bb.
2389         (add_unlikely_executed_notes): Add a comment.
2390         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
2391         to make sure, if function contains hot blocks, that the
2392         successors of ENTRY_BLOCK_PTR are hot; also, only look for
2393         crossing edges if the architecture supports named sections.
2394         (mark_bb_for_unlikely_executed_section): Modify to always
2395         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
2396         the basic block note insn.
2397         (fix_crossing_unconditional_branches): Remove extra space.
2398         (fix_edges_for_rarely_executed_code): Modify to only do
2399         partitioning work if the architecture supports named sections.
2400         (reorder_basic_blocks): Modify to only add
2401         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
2402         supports named sections.
2403         * c-common.c (handle_section_attribute): Initialize new global
2404         variable, user_defined_section_attribute, to true if user has
2405         specified one.
2406         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
2407         forward edges that cross section boundaries.
2408         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
2409         partitioning information if the architecture supports named
2410         sections.
2411         * cfgrtl.c (target.h): Add statement to include this.
2412         (rtl_split_block): Make sure newly created bb gets correct
2413         partition.
2414         (try_redirect_by_replacing_jump): Make sure redirection isn't
2415         attempting to cross section boundaries.
2416         (force_nonfallthru_and_redirect): Only do partition fix up if
2417         architecture supports named sections.
2418         (rtl_split_edge): Make sure newly created bb ends up in
2419         correct partition.
2420         (commit_one_edge_insertion): Remove code that incorrectly
2421         updated basic block partition; Make sure partition fix up only
2422         happens if architecture supports named sections and it's not
2423         already done.
2424         (rtl_verify_flow_info_1): Fix if-condition on test/error
2425         condition that fallthru edges are not allowed to cross section
2426         boundaries.
2427         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
2428         * final.c (final_scan_insn): Remove redundant test from if-statement;
2429         change calls to text_section into calls to function_section; add code
2430         to only to partitioning fix up if architecture supports named
2431         sections.
2432         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
2433         partition.
2434         (if_convert): Add targetm.have_named_sections to test.
2435         * output.h (unlikely_section_label): Extern declaration for new global
2436         variable.
2437         (unlikely_text_section_name): Likewise.
2438         * opts.c (decode_options): If both partitioning and DWARF debugging
2439         are turned on, issue a warning that this doesn't work, and change
2440         partitiong to basic block reordering (without hot/cold partitions).
2441         * passes.c (rest_of_handle_final): Re-set new global variable,
2442         user_defined_section_attribute, to false.
2443         (rest_of_compilation): Change options for calling partitioning
2444         function: Don't call if the user defined the section attribute, and
2445         don't call if DECL_ONE_ONLY is true for the current function.
2446         * predict.c (choose_function_section): Return immediately if we
2447         are doing hot/cold partitioning (i.e. let the basic block partitioning
2448         determine where the function belongs).
2449         * reg-stack.c (emit_swap_insn): Add condition to step over
2450         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
2451         * toplev.c (user_defined_section_attribute): New global variable.
2452         * toplev.h (user_defined_section_attribute): Extern declaration
2453         for new global variable.
2454         * varasm.c (unlikely_section_label): New global variable.
2455         (unlikely_text_section_name): New global variable.
2456         (unlikely_text_section): Add code to initialize
2457         unlikely_text_section_name if necessary; modify to use
2458         unlikely_text_section_name and unlikely_section_label; also to use
2459         named_section properly.
2460         (in_unlikely_text_section):  Modify to work correctly with
2461         named_section and to use unlikely_text_section_name.
2462         (named_section):  Add code to work properly with cold section.
2463         (function_section): Clean up if-statement.
2464         * config/darwin.c (darwin_asm_named_section): Return to original
2465         code, removing use of SECTION_FORMAT_STRING.
2466         * config/arm/pe.h (switch_to_section):  Add case for
2467         in_unlikely_executed_text to switch statement.
2468         * config/i386/cygming.h (switch_to_section): Likewise.
2469         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
2470         (SECTION_FORMAT_STRING): Likewise.
2471         * config/mcore/mcore.h (switch_to_section): Likewise.
2472         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
2473         (SECTION_FORMAT_STRING): Remove.
2474
2475 2004-08-18  Roger Sayle  <roger@eyesopen.com>
2476
2477         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
2478         -ffixed-reg safe, by preserving the meanings of zero and one.
2479         (CALL_USED_REGISTERS): Likewise.
2480         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
2481
2482 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
2483
2484         * config/sh/sh.c (split_branches): Check the result of
2485         next_active_insn.
2486         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
2487         Call rtl_register_cfg_hooks.
2488
2489 2004-08-18  Richard Henderson  <rth@redhat.com>
2490
2491         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
2492         * alias.c (true_dependence): Update to match new semantics.
2493         (canon_true_dependence, write_dependence_p): Likewise.
2494         (anti_dependence, output_dependence): Update write_dependence_p args.
2495         (unchanging_anti_dependence): Remove.
2496         * calls.c (purge_mem_unchanging_flag): Remove.
2497         (fixup_tail_calls): Don't call it.
2498         (expand_call): Don't add unchanging memory to function usage.
2499         * expr.c (emit_block_move_via_libcall): Likewise.
2500         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
2501         (get_subtarget): Don't use RTX_UNCHANGING_P.
2502         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
2503         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
2504         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
2505         * cse.c (insert): Don't use RTX_UNCHANGING_P.
2506         (cse_insn, canon_hash): Use MEM_READONLY_P.
2507         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
2508         instead of RTX_UNCHANGING_P.
2509         * explow.c (maybe_set_unchanging): Remove.
2510         * expr.h (maybe_set_unchanging): Remove.
2511         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
2512         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
2513         (assign_parm_setup_reg, expand_function_start): Likewise.
2514         * integrate.c (copy_rtx_and_substitute): Likewise.
2515         * ra-rewrite.c (emit_colors): Likewise.
2516         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
2517         (fixup_match_1): Likewise.
2518         * reload1.c (reload, alter_reg): Likewise.
2519         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
2520         not RTX_UNCHANGING_P.
2521         (equiv_init_varies_p): Likewise.
2522         * loop-invariant.c (check_maybe_invariant): Likewise.
2523         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
2524         * loop.c (note_addr_stored): Likewise.
2525         (prescan_loop): Likewise. Don't check function usage for clobbered
2526         unchanging memory.
2527         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
2528         not RTX_UNCHANGING_P.
2529         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
2530         * varasm.c (force_const_mem): Likewise.
2531         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
2532         * web.c (entry_register): Likewise.
2533         * tree-gimple.h (get_base_address): Move decl ...
2534         * tree.h: ... here.
2535         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
2536
2537         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
2538         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
2539         (alpha_set_memflags): Update to match.
2540
2541         * config/darwin.c (machopic_indirect_data_reference): Set
2542         MEM_READONLY_P instead of RTX_UNCHANGING_P.
2543         (machopic_indirect_call_target): Likewise.
2544         (machopic_legitimize_pic_address): Likewise.
2545         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
2546         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
2547         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
2548         * config/frv/frv.md (symGOT2reg): Likewise.
2549         * config/i386/i386.c (legitimize_pic_address,
2550         legitimize_tls_address, ix86_split_to_parts): Likewise.
2551         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
2552         * config/ia64/ia64.md (load_fptr): Likewise.
2553         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
2554         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
2555         * config/mcore/mcore.c (block_move_sequence): Likewise.
2556         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
2557         * config/pa/pa.c (legitimize_pic_address): Likewise.
2558         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
2559         (rs6000_emit_move): Likewise.
2560         * config/s390/s390.c (legitimize_pic_address): Likewise.
2561         (legitimize_tls_address): Likewise.
2562         * config/s390/s390.md (casesi): Likewise.
2563         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
2564         * config/sh/sh.md (symGOT2reg): Likewise.
2565         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
2566         * config/v850/v850.md (casesi): Likewise.
2567
2568         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
2569         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
2570         * config/mips/mips.c (mips_restore_gp): Likewise.
2571         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
2572         * config/sh/sh.c (sh_reorg): Likewise.
2573
2574 2004-08-18  Richard Henderson  <rth@redhat.com>
2575
2576         * tree.h (struct tree_decl): Add gimple_formal_temp.
2577         (DECL_GIMPLE_FORMAL_TEMP_P): New.
2578         * gimplify.c (pop_gimplify_context): Clear it.
2579         (lookup_tmp_var): Set it, if is_formal.
2580         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
2581         Use is_gimple_val for VECTOR.  Simplify return value.
2582         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
2583         (gimplify_expr): Likewise.
2584         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
2585         is_gimple_tmp_rhs for clarity.  Update all callers.
2586         (is_gimple_reg_rhs): Simplify logic.
2587         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
2588         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
2589         (is_gimple_formal_tmp_reg): Similarly.
2590         * tree-gimple.h: Update decls.
2591         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
2592         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
2593         * tree-ssa-live.c (var_union, type_var_init): Likewise.
2594
2595 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
2596
2597         * c4x.c (legitimize_operands): Remove calls to
2598         preserve_subexpressions_p.
2599
2600 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
2601
2602         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
2603         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
2604
2605 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
2606
2607         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
2608         Objective-C++ extensions.
2609         * gengtype.c (get_file_basename): Match entire subdirectory name
2610         ('cp', 'objc', 'objcp') rather than just its suffix.
2611         (get_base_file_bitmap): Allow for files to belong to more than one
2612         language.
2613         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
2614         used by more than one front-end.
2615
2616 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
2617
2618         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
2619         avoid use of preserve_subexpressions_p.
2620
2621 2004-08-17  Richard Henderson  <rth@redhat.com>
2622
2623         PR 17051
2624         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
2625
2626 2004-08-17  DJ Delorie  <dj@redhat.com>
2627
2628         * doc/extend.texi: Document new xstormy16 attribute.
2629
2630         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
2631         (xstormy16_splittable_below100_or_register): New.
2632         (combine_bnp): New.
2633         (xstormy16_reorg): New.
2634         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2635
2636         * config/stormy16/stormy16.md (movqi_internal): Make name public.
2637         (movhi_internal): Likewise.
2638         (cbhranchhi): Likewise.
2639         (cbhranchhi_neg): Likewise.
2640         (andhi3): Only allow splittable below100 operands.
2641         (iorhi3): Likewise.
2642         (peephole2): New and/zero_extend->and peephole.
2643         (peephole2): New load/ior/save->set1 peephole.
2644         (peephole2): New load/and/save->clr1 peephole.
2645         (bclrx, bclrx2, bclr7, bclr15): New.
2646         (bsetx, bsetx2, bset7, bset15): New.
2647
2648         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
2649         liberal about acceptable 'B' masks.
2650
2651         * config/stormy16/stormy16-protos.h
2652         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
2653         xstormy16_below100_operand, xstormy16_below100_or_register,
2654         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
2655         (PREDICATE_CODES): Add new predicates.
2656
2657         * config/stormy16/stormy16.c
2658         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
2659         xstormy16_below100_operand, xstormy16_below100_or_register,
2660         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
2661         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
2662         (xstormy16_legitimate_address_p): Allow below100 symbols.
2663         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
2664         (xstormy16_expand_move): Leave below100 operands as-is.
2665         (xstormy16_encode_section_info): Encode below100 symbols.
2666         (xstormy16_strip_name_encoding): New.
2667         (xstormy16_print_operand): Print 'b' as shift mask.
2668         (xstormy16_attribute_table): Add below100 attributes.
2669         (xstormy16_handle_below100_attribute): New.
2670
2671         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
2672         (XSTORMY16_SECTION_FUNCTION): New.
2673         (EXTRA_SECTION_FUNCTIONS): Define using the above.
2674         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
2675         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
2676         (ASM_OUTPUT_LABELREF): Define.
2677
2678         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
2679         (movhi_internal): Add below100 support.
2680         (andhi3): Add below100 support.
2681         (iorhi3): Add below100 support.
2682         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
2683
2684 2004-08-17  James E Wilson  <wilson@specifixinc.com>
2685
2686         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
2687         of VOIDmode for comparison code mode.
2688         * config/mips/mips.md: For conditional move patterns, use mode of
2689         first compare operand for comparison mode, instead of VOIDmode.
2690
2691         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
2692         normal and -ffast-math code.
2693
2694 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
2695
2696         PR c++/15871
2697         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
2698
2699 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
2700
2701         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
2702
2703 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
2704
2705         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
2706         for non Darwin targets.
2707         (*call_value_nonlocal_darwin64): Likewise.
2708
2709 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
2710
2711         * config/rs6000/rs6000.c (rs6000_function_value): Check for
2712         altivec mode for altivec return register.
2713
2714 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
2715
2716         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
2717         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
2718         * config/rs6000/rs6000.md: Include darwin.md.
2719         (builtin_setjmp_receiver): Add DImode case.
2720         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
2721         Darwin bits.
2722
2723 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
2724
2725         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
2726         trees.
2727         * tree-vectorizer.h: New File: Same.
2728         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
2729         * common.opt (ftree-vectorize): New flag to enable vectorization.
2730         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
2731         vectorization pass.
2732         * tree-data-ref.h (init_data_ref): Additional argument.
2733         (array_base_name_differ_p): Moved to tree-data-ref.c.
2734         * tree-data-ref.c (array_base_name_differ_p): Revised.
2735         (initialize_data_dependence_relation): Call array_base_name_differ_p
2736         with an extra argument.
2737         (analyze_all_data_dependences): Same.
2738         (init_data_ref): Additional argument is_read to set DR_IS_READ.
2739         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
2740         file.
2741         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
2742         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
2743         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
2744         vectorization pass.
2745         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
2746         (tree_ssa_loop_done): Call scev_finalize.
2747         (tree_vectorize): Define the new vectorization pass.
2748         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
2749         size of the vector they support (until support for multiple vector
2750         sizes is added to the vectorizer).
2751         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
2752         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
2753         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
2754         documentation.
2755
2756 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
2757
2758         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
2759         usage.
2760         (generate_protocol_list, handle_impent): Likewise.
2761
2762 2004-08-17  Roger Sayle  <roger@eyesopen.com>
2763
2764         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
2765         ensure that call_used_regs is a superset of both fixed_regs and
2766         call_really_used_regs.
2767
2768 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
2769
2770         PR target/17019
2771         * arm.md (addsi3_cbranch_scratch): Correct case labels.
2772
2773 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
2774
2775         PR middle-end/17036
2776         * fold-const.c (fold): Check for integer operand when
2777         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
2778         Pinski  <pinskia@physics.uc.edu>.
2779
2780 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
2781
2782         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
2783         No need to check if in a cross configuration.
2784         * configure: Regenerate.
2785
2786         * calls.c (precompute_register_parameters):
2787         Inline preserve_subexpressions_p ().
2788         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
2789         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
2790         Likewise.
2791         * expr.c (get_subtarget): Likewise.
2792         * rtl.h (preserve_subexpressions_p): Remove.
2793         * stmt.c (preserve_subexpressions_p): Remove.
2794
2795         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
2796         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
2797         Abort on gimplified cases.
2798
2799 2004-08-16  James E Wilson  <wilson@specifixinc.com>
2800
2801         * tree.h (VECTOR_FLOAT_TYPE_P): New.
2802         (FLOAT_TYPE_P): Use it.
2803         * c-typeck.c (build_binary_op): After convert calls, check for
2804         check for ERROR_MARK operands.
2805
2806 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
2807
2808         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
2809         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
2810         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
2811         (genobjs static pattern rule): Remove %.c dependency.
2812         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
2813         Rename rules; delete commands; fix dependencies.
2814         (mostlyclean): Do not delete temporary source copies.
2815         * configure.ac: Delete all references to BUILD_PREFIX and
2816         BUILD_PREFIX_1.
2817         * configure: Regenerate.
2818
2819         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
2820         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
2821         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
2822         with #ifndef GENERATOR_FILE so that nothing from those headers
2823         is used.
2824
2825         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
2826
2827 2004-08-16  Adam Nemet  <anemet@lnxw.com>
2828
2829         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
2830
2831 2004-08-16  Andrew Pinski  <apinski@apple.com>
2832
2833         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
2834         extraneous semicolon.
2835
2836 2004-08-16  Devang Patel  <dpatel@apple.com>
2837
2838         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
2839         * print-tree.c (print_node): Print DECL_PRESERVE_P.
2840         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
2841         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
2842         * target.h (struct gcc_target): New member, mark_decl_preserved.
2843         * hooks.c (hook_void_charptr): Rename to ...
2844         (hook_void_constcharptr): ... new name.
2845         * hooks.h (hook_void_charptr): Rename to ..
2846         (hook_void_constcharptr): ... new name.
2847         * tree.h (DECL_PRESERVE_P): New #define.
2848         (struct tree_decl): New member, preserve_flag.
2849         * varasm.c (assemble_start_function): Mark decl preserved.
2850         (assemble_variable): Same.
2851         * darwin.c (darwin_mark_decl_preserved): New function.
2852         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
2853         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
2854         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
2855
2856 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
2857
2858         * c-decl.c (grokdeclarator): Allow for function definition where
2859         innermost declarator has attributes.
2860
2861 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
2862
2863         * except.c (get_exception_filter, build_post_landing_pads,
2864         dw2_build_landing_pads): Use target-specific mode for 'filter'.
2865         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
2866         * target.h (eh_return_filter_mode): New field added.
2867         * targhooks.c (default_eh_return_filter_mode): Defined.
2868         * targhooks.h (default_eh_return_filter_mode): Declared.
2869         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
2870
2871 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
2872
2873         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
2874         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
2875         * configure: Regenerate.
2876
2877 2004-08-16  Stan Shebs  <shebs@apple.com>
2878
2879         Basic support for 64-bit Darwin.
2880         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
2881         (machopic_legitimize_pic_address): Similarly, plus use Pmode
2882         instead of SImode.
2883         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
2884         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
2885         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
2886         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
2887         (PROCESSOR_DEFAULT64): Define.
2888         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
2889         Darwin.
2890         * config/rs6000/rs6000.md: Include darwin.md.
2891         (builtin_setjmp_receiver): Add DImode case.
2892         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
2893         Darwin.
2894         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
2895         (rs6000_emit_move): Add DImode case to Darwin bits.
2896         (machopic_output_stub): Use .quad if 64-bit.
2897         * invoke.texi: Document -m32 and -m64.
2898
2899 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
2900
2901         * doc/extend.texi (AltiVec builtins): Document additional differences
2902         from the Motorola AltiVec PIM.
2903
2904 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
2905
2906         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
2907         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
2908         (struct tree_common): Update public_flag documentation.
2909
2910 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
2911
2912         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
2913         Check for artificial variables, not is_gimple_tmp_var.
2914         * tree-ssa-live.c (var_union): Likewise.
2915
2916 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
2917
2918         * calls.c (load_register_parameters): Remove spurious FIXME token.
2919
2920 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
2921
2922         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
2923         (c-lang.o): Depend on c-objc-common.h.
2924         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
2925         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
2926         * c-lang.c: Include c-objc-common.h.
2927         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
2928         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
2929         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
2930         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
2931         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
2932         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
2933         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
2934         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
2935         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
2936         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
2937         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
2938         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
2939         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
2940         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
2941         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
2942         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2943         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
2944         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
2945         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
2946         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
2947         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
2948         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
2949         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
2950         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
2951         Move to c-objc-common.h.
2952         * c-objc-common.c: Include c-objc-common.h.
2953         * c-objc-common.h: New file.
2954
2955 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
2956             Andrew Pinski  <pinskia@physics.uc.edu>
2957
2958         PR target/14931
2959         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
2960         style.
2961
2962 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
2963
2964         * tree.h (build_int_cst): New.
2965         (build_int_2): Remove.
2966         * tree.c (build_int_2): Remove.
2967         (build_int_cst): New.
2968         (make_vector_type, build_common_tree_nodes,
2969         build_common_tree_nodes_2): Use build_int_cst.
2970         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
2971         expand_builtin_strpbrk, expand_builtin_fputs,
2972         build_string_literal, expand_builtin_printf,
2973         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
2974         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
2975         fold_builtin_isdigit, simplify_builtin_strstr,
2976         simplify_builtin_strpbrk, fold_builtin_fputs,
2977         simplify_builtin_sprintf): Use build_int_cst.
2978         * c-common.c (start_fname_decls, fix_string_type,
2979         c_common_nodes_and_builtins, c_init_attributes,
2980         shorten_compare): Likewise.
2981         * c-decl.c (complete_array_type,
2982         check_bitfield_type_and_width): Likewise.
2983         * c-lex.c (interpret_integer, lex_charconst): Likewise.
2984         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
2985         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2986         * c-typeck.c (really_start_incremental_init, push_init_level,
2987         set_nonincremental_init_from_string): Likewise.
2988         * calls.c (load_register_parameters): Likewise.
2989         * convert.c (convert_to_pointer): Likewise.
2990         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
2991         build_fn_info_type, build_ctr_info_value, build_gcov_info):
2992         Likewise.
2993         * except.c (init_eh, assign_filter_values, assign_filter_values):
2994         Likewise.
2995         * expmed.c (store_fixed_bit_field, extract_bit_field,
2996         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
2997         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
2998         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
2999         * expr.c (convert_move, emit_group_load, emit_group_store,
3000         expand_assignment, store_constructor, store_field,
3001         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
3002         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
3003         invert_truthvalue, optimize_bit_field_compare,
3004         decode_field_reference, all_ones_mask_p, constant_boolean_node,
3005         fold_div_compare, fold, fold_read_from_constant_string,
3006         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
3007         * function.c (assign_parm_setup_block): Likewise.
3008         * stmt.c (shift_return_value, expand_end_case_type,
3009         estimate_case_costs): Likewise.
3010         * stor-layout.c (layout_type, initialize_sizetypes,
3011         set_min_and_max_values_for_integral_type): Likewise.
3012         * tree-chrec.c (chrec_fold_multiply_poly_poly,
3013         reset_evolution_in_loop): Likewise.
3014         * tree-chrec.h (build_polynomial_chrec): Likewise.
3015         * tree-complex.c (build_replicated_const): Likewise.
3016         * tree-eh.c (honor_protect_cleanup_actions,
3017         lower_try_finally_onedest, lower_try_finally_copy,
3018         lower_try_finally_switch): Likewise.
3019         * tree-mudflap.c (mf_build_string, mx_register_decls,
3020         mudflap_register_call, mudflap_enqueue_constant): Likewise.
3021         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
3022         * tree-pretty-print.c (dump_generic_node): Likewise.
3023         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
3024         Likewise.
3025         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
3026         * tree-ssa-loop-niter.c (number_of_iterations_cond,
3027         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
3028         Likewise.
3029
3030         * config/alpha/alpha.c (alpha_initialize_trampoline,
3031         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
3032         * config/arm/arm.c (arm_get_cookie_size): Likewise.
3033         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
3034         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
3035         * config/i860/i860.c (i860_va_start): Likewise.
3036         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
3037         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
3038         mips_gimplify_va_arg_expr): Likewise.
3039         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
3040         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
3041         add_compiler_branch_island): Likewise.
3042         * config/s390/s390.c (s390_va_start): Likewise.
3043         * config/sh/sh.c (sh_va_start): Likewise.
3044         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
3045         Likewise.
3046         * config/xtensa/xtensa.c (xtensa_va_start,
3047         xtensa_gimplify_va_arg_expr): Likewise.
3048
3049         * objc/objc-act.c (build_objc_string_object,
3050         build_objc_symtab_template, init_def_list, init_objc_symtab,
3051         init_module_descriptor, generate_static_references,
3052         build_selector_translation_table, get_proto_encoding,
3053         build_typed_selector_reference, build_selector_reference,
3054         build_next_objc_exception_stuff,
3055         build_method_prototype_list_template, generate_descriptor_table,
3056         generate_protocols, build_protocol_initializer,
3057         build_ivar_list_template, build_method_list_template,
3058         build_ivar_list_initializer, generate_ivars_list,
3059         generate_dispatch_table, generate_protocol_list,
3060         build_category_initializer, build_shared_structure_initializer,
3061         generate_shared_structures, handle_impent,
3062         generate_objc_image_info): Use build_int_cst.
3063
3064 2004-08-15  Ben Elliston  <bje@au.ibm.com>
3065
3066         * vec.h: Comment improvements.
3067
3068 2004-08-14  Roger Sayle  <roger@eyesopen.com>
3069
3070         * c-common.c (shorten_compare, pointer_int_sum,
3071         c_common_truthvalue_conversion, boolean_increment): Replace calls
3072         to build with calls to buildN.
3073         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
3074         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
3075         gimplify_switch_stmt): Likewise.
3076         * c-typeck.c (default_function_array_conversion,
3077         build_component_ref, build_array_ref, build_function_call,
3078         pointer_diff, build_unary_op, build_conditional_expr,
3079         build_compound_expr, build_modify_expr, c_finish_goto_label,
3080         c_finish_goto_ptr, c_finish_return, c_finish_loop,
3081         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
3082         build_binary_op): Likewise.
3083
3084 2004-08-15  Steven Bosscher  <stevenb@suse.de>
3085
3086         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
3087
3088 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3089
3090         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
3091         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
3092         * fixinc/fixincl.x: Rebuilt.
3093
3094 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
3095
3096         * config/mips/mips-protos.h (mips_symbolic_constant_p)
3097         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
3098         (mips_small_data_pattern_p): Declare.
3099         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
3100         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
3101         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
3102         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
3103         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
3104         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
3105         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
3106         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
3107         (pc_or_label_operand, call_insn_operand, move_operand)
3108         (consttable_operand, symbolic_operand, general_symbolic_operand)
3109         (global_got_operand, local_got_operand, stack_operand)
3110         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
3111         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
3112         (mips_small_data_pattern_p): Replace previous small_data_pattern
3113         predicate.  Turn into a bool () (rtx) function.
3114         * config/mips/predicates.md: New file.
3115         * config/mips/mips.md: Include it.  Use the target-independent
3116         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
3117         trap_comparison_operator and equality_op to equality_operator.
3118         Replace uses of small_int with the equivalent const_arith_operand.
3119         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
3120         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
3121         to fcc_reload_operand.
3122         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
3123
3124 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3125
3126         PR libstdc++/17005 partial fix.
3127         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
3128         except when generating ANSI/C89 code.
3129
3130 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
3131
3132         * c-common.c (shorten_compare): Use force_fit_type directly.
3133
3134 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
3135             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
3136             Dave Korn  <dk@artimi.com>
3137
3138         * doc/install.texi (Building): Avoid duplicate reference to GNU
3139         make requirement.
3140         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
3141
3142 2004-08-14  Richard Henderson  <rth@redhat.com>
3143
3144         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
3145         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
3146
3147 2004-08-13  Richard Henderson  <rth@redhat.com>
3148
3149         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
3150         for constant_call_address_operand.
3151         (call_value_pop_1, call_value_1): Likewise.
3152         (sibcall_value_1, call_value_1_rex64): Likewise.
3153
3154 2004-08-13  James E Wilson  <wilson@specifixinc.com>
3155
3156         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
3157         Correct mode from SFmode to DFmode.
3158
3159 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
3160
3161         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
3162         __cstring_object and __image_info sections with the no_dead_strip
3163         attribute.
3164
3165 2004-08-13  Roger Sayle  <roger@eyesopen.com>
3166             David Billinghurst  <David.Billinghurst@riotinto.com>
3167
3168         PR libgfortran/15930
3169         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
3170         * fixinc/fixincl.x: Regenerate.
3171         * fixinc/tests/base/internal/math_core.h: New file.
3172
3173 2004-08-13  Richard Henderson  <rth@redhat.com>
3174
3175         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
3176         (dbxout_function_end): Remove ifdefs for it.
3177         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
3178
3179 2004-08-13  Richard Henderson  <rth@redhat.com>
3180
3181         * Makefile.in (insn-preds.o): Depend on TREE_H.
3182         * genpreds.c (write_insn_preds_c): Include tree.h.
3183         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
3184         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
3185         const48_operand, and_operand, or_operand, mode_width_operand,
3186         mode_mask_operand, mul8_operand, const0_operand,
3187         hard_fp_register_operand, hard_int_register_operand,
3188         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
3189         samegp_function_operand, direct_call_operand, small_symbolic_operand,
3190         global_symbolic_operand, call_operand, symbolic_operand,
3191         dtp16_symbolic_operand, dtp32_symbolic_operand,
3192         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
3193         gottp_symbolic_operand, alpha_comparison_operator,
3194         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
3195         signed_comparison_operator, alpha_fp_comparison_operator,
3196         divmod_operator, fix_operator, aligned_memory_operand,
3197         unaligned_memory_operand, reg_or_unaligned_mem_operand,
3198         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
3199         reg_no_subreg_operand, addition_operation): Move to predicates.md.
3200         (reg_or_const_int_operand): Remove.  Replace all users with
3201         reg_or_cint_operand.
3202         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
3203         (resolve_reload_operand): Split out of aligned_memory_operand.
3204         * config/alpha/alpha-protos.h: Update for exports.
3205         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
3206         * config/alpha/alpha.md: Include predicates.md.
3207         * config/alpha/predicates.md: New file.
3208
3209 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
3210
3211         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
3212         fields with a pointer to the instruction definition.
3213         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
3214         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
3215         (write_attr_case, write_const_num_delay_slots): Update accordingly.
3216         (write_attr_case, write_const_num_delay_slots): Write the name of
3217         an insn next to its case statement.
3218         * genoutput.c (data): Add a filename field.
3219         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
3220         (output_insn_data): Print the location of each insn definition.
3221         * genrecog.c (write_action): Print the name of an insn above
3222         the statement that returns its code.
3223
3224 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
3225
3226         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
3227         * config/libgloss.h: Likewise.
3228         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
3229         * c4x/c4x-modes.def: Likewise.
3230         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
3231         (c4x_rptb_nop_p): Likewise.
3232         (c4x_rptb_valid_p): Likewise.
3233         (c4x_rptb_insert): Likewise.
3234         (c4x_address_conflict): Likewise.
3235         * config/c4x/c4x.md: Likewise.
3236         * config/frv/frv.md: Likewise.
3237         * config/i386/athlon.md: Likewise.
3238         * config/i386/i386.md: Likewise.
3239         * config/i386/predicates.md: Likewise.
3240         * config/ia64/ia64.c: Likewise.
3241         * config/ia64/itanium1.md: Likewise.
3242         * config/ia64/itanium2.md: Likewise.
3243         * config/iq2000/iq2000.md: Likewise.
3244         * config/mcore/mcore.c: Likewise.
3245         * config/mips/mips.c: Likewise.
3246         * config/mips/r3900.h: Likewise.
3247         * config/mips/sb1.md: Likewise.
3248         * config/pa/milli64.S: Likewise.
3249         * config/pa/pa.c: Likewise.
3250         * config/pa/pa.h: Likewise.
3251         * config/rs6000/8540.md: Likewise.
3252
3253 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
3254
3255         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
3256
3257 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
3258
3259         * sh.md (cbranch define_delay) Use cond_delay_slot for
3260         non-anulled condition too.
3261
3262 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
3263
3264         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
3265         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
3266         any_parallel_operand, lmw_operation, stmw_operation,
3267         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
3268         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
3269         any_parallel_operand.
3270         (return_and_restore_fpregs_{si,di}): Same.
3271
3272 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
3273
3274         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
3275         if pred->singleton != PARALLEL, issue a warning and pretend it was.
3276         Also issue a warning for any predicate we don't know about.
3277
3278 2004-08-12  Richard Henderson  <rth@redhat.com>
3279
3280         * config/i386/i386.c (internal_label_prefix): Export.
3281         (internal_label_prefix_len, struct ix86_address,
3282         ix86_decompose_address, maybe_get_pool_constant,
3283         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
3284         memory_address_length): Export.
3285         (any_fp_register_operand, fp_register_operand,
3286         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
3287         x86_64_general_operand, x86_64_szext_general_operand,
3288         x86_64_nonmemory_operand, x86_64_movabs_operand,
3289         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
3290         x86_64_zext_immediate_operand, const_int_1_31_operand,
3291         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
3292         tls_symbolic_operand, global_dynamic_symbolic_operand,
3293         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
3294         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
3295         constant_call_address_operand, const0_operand, const1_operand,
3296         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
3297         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
3298         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
3299         general_no_elim_operand, nonmemory_no_elim_operand,
3300         index_register_operand, q_regs_operand, flags_reg_operand,
3301         non_q_regs_operand, zero_extended_scalar_load_operand,
3302         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
3303         ix86_comparison_operator, ix86_carry_flag_operator,
3304         fcmov_comparison_operator, promotable_binary_operator,
3305         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
3306         mult_operator, div_operator, arith_or_logical_operator,
3307         memory_displacement_operand, cmpsi_operand, long_memory_operand,
3308         aligned_operand): Move to predicates.md as define_predicates.
3309         (tls_symbolic_operand_1): Remove.
3310         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
3311         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
3312         (legitimize_address): Merge tls_symbolic_operand contents.
3313         (ix86_expand_move): Likewise.
3314         * config/i386/i386-protos.h: Update for exports.
3315         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
3316         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
3317         * config/i386/i386.md: Include predicates.md.
3318         * config/i386/predicates.md: New file.
3319
3320 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
3321
3322         PR c++/16924
3323         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
3324         SYMBOL_REF_DECL.
3325         (i386_pe_mark_dllimport): Likewise.
3326         (i386_pe_encode_section_info): Likewise, when overriding
3327         dllimport attribute.
3328
3329 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
3330
3331         * configure.ac: When testing for flex, nm, ar, and bison, check
3332         that they will actually be built.
3333         * configure: Regenerate.
3334
3335 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
3336
3337         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
3338         (MOVE_MAX_PIECES): Define.
3339
3340 2004-08-12  Devang patel  <dpatel@apple.com>
3341
3342         * dbxout.c (dbxout_begin_prologue): New function.
3343         (dbx_debug_hooks): Use new begin prologue hook.
3344         (dbxout_function_end): Emit N_ENSYM.
3345         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
3346
3347 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
3348
3349         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
3350         argument is float*.
3351
3352         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
3353         for vec_dss.
3354
3355         * doc/extend.texi (AltiVec builtins): Fix description for recent
3356         changes.  Update operation list to match current support.
3357
3358 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3359
3360         * config/s390/s390.c (struct s390_frame_layout): New struct as element
3361         of struct machine_function.
3362         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
3363         changed all uses.
3364         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
3365         changed all uses.
3366         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
3367         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
3368         (s390_frame_area, s390_register_info): New functions.
3369         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
3370         for base register.
3371         (s390_return_addr_rtx, s390_return_address_offset)
3372         (s390_va_start, s390_gimplify_va_arg)
3373         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
3374         layouts.
3375         (s390_frame_info): Functionality partly moved to s390_register_info.
3376         Made adaptions for new stack layout.
3377         (save_gprs, restore_gprs): Changed meaning of second parameter and
3378         adapted all callers.
3379
3380         * config/s390/s390.h (s390_backchain_string): New global variable.
3381         (MASK_BACKCHAIN): Removed definition.
3382         (TARGET_BACKCHAIN): Changed check.
3383         (TARGET_KERNEL_BACKCHAIN): New macro.
3384         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
3385         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
3386         "kernel-backchain".
3387         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
3388
3389         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
3390         as condition.  Adjusted for new stack layout.
3391
3392         * doc/invoke.texi: Added documentation for new option
3393         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
3394         "-mno-backchain".
3395
3396 2004-08-12  Paul Brook  <paul@codesourcery.com>
3397
3398         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
3399         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
3400
3401 2004-08-12  David Daney  <ddaney@avtrex.com>
3402
3403         * java/gcj.texi:  Add subsection on signal usage.
3404
3405 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
3406
3407         * expr.c (move_by_pieces): Set alignment for move to minimum of
3408         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
3409         alignment, but not less than the original alignment.
3410         (move_by_pieces_ninsns): Same.
3411         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
3412         (store_by_pieces_1): Same.
3413
3414 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
3415
3416         PR tree-optimization/16867
3417         * tree.c (is_global_var): New function.
3418         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
3419         Call is_global_var.
3420         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
3421         Update all users.
3422         (is_global_var): Declare.
3423         * tree-dfa.c (dump_variable): Display global and addressable
3424         attributes.
3425         (add_referenced_var): Clarify documentation when marking
3426         variables call-clobbered.
3427         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
3428         instead of needs_to_live_in_memory.
3429         (mark_call_clobbered): If the variable is a tag, mark it
3430         DECL_EXTERNAL.
3431         * tree-gimple.c (is_gimple_reg): Don't check for
3432         TREE_ADDRESSABLE.
3433         (is_gimple_non_addressable): Likewise.
3434         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
3435         needs to be marked call-clobbered.
3436         (setup_pointers_and_addressables): Call is_global_var instead
3437         of needs_to_live_in_memory.
3438         * tree-ssa-dce.c (need_to_preserve_store): Remove.
3439         Update all users with is_global_var.
3440         (mark_stmt_if_obviously_necessary): Fix processing of aliased
3441         stores.  Don't check the virtual definitions.  Rather, check
3442         whether the store is going into global memory.
3443         (find_obviously_necessary_stmts): Get the symbol from the PHI
3444         result.
3445         * tree-ssa-operands.c (get_call_expr_operands): Do not add
3446         clobbering may-defs if the call does not have side effects.
3447
3448 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
3449
3450         PR c++/16276
3451         * output.h (default_function_rodata_section,
3452         default_no_function_rodata_section): New prototypes.
3453         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
3454         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
3455         (TARGET_ASM_OUT): Add it.
3456         * varasm.c (default_function_rodata_section,
3457         default_no_function_rodata_section): New functions.
3458         * final.c (final_scan_insn): Call
3459         targetm.asm_out.function_rodata_section instead of
3460         readonly_data_section.
3461         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
3462         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3463         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3464         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3465         Likewise.
3466         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3467         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3468         Likewise.
3469         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3470         Likewise.
3471         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3472         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3473         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
3474
3475 2004-08-12  Paul Brook  <paul@codesourcery.com>
3476
3477         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
3478         frame info.
3479         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
3480         DWARF2_UNWIND_INFO.
3481
3482 2004-08-12  Ben Elliston  <bje@au.ibm.com>
3483
3484         PR target/16286
3485         * config/rs6000/altivec.h: Change vector to __vector throughout.
3486         (Except for the `vector' macro itself).
3487
3488 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
3489
3490         * genpreds.c: Add capability to generate predicate bodies as
3491         well as function prototypes.  Write function prototypes for
3492         the generic predicates too.
3493         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
3494         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
3495         (write_match_code, write_predicate_expr, write_one_predicate_function)
3496         (parse_option): New functions.
3497         (output_predicate_decls): Delete.
3498         (main): Read the machine description, process DEFINE_PREDICATE or
3499         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
3500         as appropriate.
3501
3502         * genrecog.c (struct decision_test): Replace index with
3503         struct pred_data pointer.
3504         (next_index): Remove, unused.
3505         (pred_table, preds, special_mode_pred_table): Delete.
3506         (compute_predicate_codes, process_define_predicate): New functions.
3507         (validate_pattern, add_to_sequence, write_switch): Update for
3508         new data structures.
3509         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
3510         Check both error_count and have_error.
3511
3512         * gensupport.c (in_fname, first_predicate): New globals.
3513         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
3514         (predicate_table, last_predicate, old_pred_table)
3515         (old_special_pred_table): New statics.
3516         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
3517         (add_predicate, init_predicate_table): New functions.
3518         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
3519         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
3520         it or max_include_len.  Call init_predicate_table.
3521         (read_rtx): Run the predicate queue after the attribute queue
3522         but before all the others.
3523         * gensupport.h (in_fname, struct pred_data, first_predicate)
3524         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
3525         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
3526         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
3527         * dummy-conditions.c: Don't include bconfig.h, system.h,
3528         coretypes.h, tm.h, or system.h.  Do include stddef.h.
3529         Duplicate declaration of struct c_test from gensupport.h.
3530
3531         * Makefile.in (OBJS-common): Add insn-preds.o.
3532         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
3533         (insn-preds.c, insn-preds.o): New rules.
3534         (s-preds): Also generate insn-preds.c.
3535         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
3536         Update dependencies.
3537         (print-rtl.o, print-rtl1.o): Correct dependencies.
3538
3539         * recog.h: Delete prototypes of predicate functions.
3540
3541         * doc/md.texi (Predicates): New section with complete
3542         documentation of operand/operator predicates.  Remove some
3543         incomplete documentation of predicates from other places.
3544         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
3545         PREDICATE_CODES; indicate that both are deprecated in favor
3546         of define_predicate/define_special_predicate.
3547
3548         * config/ia64/ia64.c: All predicate function definitions moved
3549         to ia64.md, except
3550         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
3551         (ia64_expand_load_address, ia64_expand_move):
3552         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
3553
3554         * config/ia64/ia64.md: All predicates now defined here.
3555         (symbolic_operand): Is now a special predicate.
3556
3557         * config/ia64/ia64.h: Declare ia64_section_threshold.
3558         (PREDICATE_CODES): Delete.
3559
3560 2004-08-12  Richard Henderson  <rth@redhat.com>
3561
3562         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
3563         * c-semantics.c (add_stmt): Set it.
3564         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
3565         before instantiating a variable sized type.
3566
3567 2004-08-12  Richard Henderson  <rth@redhat.com>
3568
3569         * stor-layout.c (round_up, round_down): Move ...
3570         * fold-const.c (round_up, round_down): ... here.  Use
3571         multiple_of_p to avoid any arithmetic at all.
3572
3573 2004-08-12  Richard Henderson  <rth@redhat.com>
3574
3575         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
3576         (gimplify_init_ctor_preeval_1): New.
3577         (gimplify_init_ctor_preeval): New.
3578         (gimplify_init_ctor_eval): New.
3579         (gimplify_init_constructor): Use them.  Always gimplify the LHS
3580         object first.
3581
3582 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
3583
3584         (This patch is part of merge of objc-improvements-branch
3585         into mainline.)
3586
3587         * doc/frontends.texi: Mention Objective-C++ in addition to
3588         Objective-C.
3589         * doc/install.texi: Add 'obj-c++' to list of configurable
3590         languages.
3591         * doc/invoke.texi: Rename Objective-C option headings to
3592         indicate they also apply to Objective-C++.  List file
3593         extensions for Objective-C++ sources.  Mention that
3594         ObjC and ObjC++ compilations may also use C and C++ options,
3595         respectively.  Point users to doc/standards.texi for
3596         further info on ObjC and ObjC++.
3597         * doc/sourcebuild.texi: Mention the objcp/ directory and
3598         the Objective-C++ sources it contains.
3599         * doc/standards.texi: Update link to Apple ObjC site;
3600         add link to gcc readings.html WWW doc.
3601
3602 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
3603
3604         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
3605         and 2004-07-14 changes.
3606
3607 2004-08-12  Paul Brook  <paul@codesourcery.com>
3608
3609         * doc/invoke.texi: Fix typo.
3610
3611 2004-08-11 Devang Patel  <dpatel@apple.com>
3612
3613         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
3614         and -no_dead_strip_inits_and_terms.
3615         (LINK_SPEC): Same.
3616         * doc/invoke.texi (Darwin Options): Document -dead_strip and
3617         -no_dead_strip_inits_and_terms.
3618
3619 2004-08-11  Paul Brook  <paul@codesourcery.com>
3620
3621         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
3622         (arm_load_pic_register): ... to this.
3623         * config/arm/arm.c (arm_finalize_pic): Rename ...
3624         (arm_load_pic_register): ... to this.  Always output insns at the
3625         current location.  Load via low reg in thumb mode.
3626         (arm_expand_prologue): Call arm_load_pic_register.
3627         (thumb_expand_prologue): Ditto.
3628         * config/arm/arm.h (FINALIZE_PIC): Remove.
3629         * config/arm/arm.md (builtin_setjmp_receiver): Call
3630         arm_load_pic_register.
3631
3632 2004-08-11  Paul Brook  <paul@codesourcery.com>
3633
3634         * arm.c (thumb_force_lr_save): Add prototype.
3635         (thumb_compute_save_reg_mask): New function.
3636         (thumb_find_work_register): New function.
3637         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
3638         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
3639         Don't clobber r3 when removing pretend args.
3640         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
3641         (thumb_output_function_prologue): Use new functions.
3642         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
3643         * arm.h (THUMB_REG_PUSHED_P): Remove.
3644
3645 2004-08-11  James E Wilson  <wilson@specifixinc.com>
3646
3647         PR rtl-optimization/16490
3648         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
3649         global_live_at_end for new basic block if already set for other blocks.
3650
3651 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
3652
3653         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
3654
3655         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
3656         (mfcr rlwinm rlwinm patterns): Set length to 12.
3657
3658 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
3659
3660         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
3661         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
3662         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
3663         (start_ssa_stmt_operands): Delete.
3664         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
3665         struct stmt_operands_d.
3666         (build_ssa_operands): New extern entry point.
3667         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
3668         building code, replace with create_ssa_artficial_load_stmt().
3669         * tree-ssa-operands.c (struct voperands_d): Delete.
3670         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
3671         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
3672         (free_uses, free_defs, free_vuses, free_v_may_defs,
3673         free_v_must_defs): Remove dealloc parameter.
3674         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
3675         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
3676         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
3677         vector comparisons, ssa_name reuse, and allocations here.
3678         (verify_start_operands): Delete.
3679         (finalize_ssa_stmt_operands): Set new operands by calling finalize
3680         routines.
3681         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
3682         (append_def, append_usei): Simplify to simple accumulation.
3683         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
3684         duplicates and simple accumulation.
3685         (free_ssa_operands): Free vectors in a stmt_operand structure.
3686         (build_ssa_operands): New. Create a new stmt_operand structure from
3687         a stmt and an old set of stmt_operands.
3688         (get_stmt_operands): Simplify and call build_ssa_operands.
3689         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
3690         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
3691         add_call_read_ops): Don't pass prev_vops around anymore.
3692         (note_addressable): Return if no stmt annotation.
3693         (copy_virtual_operands): Access v_may_def operands through a struct.
3694         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
3695         hash tables without treating the stmt as a real stmt.
3696         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
3697         v_may_def def and use through a struct instead of 2 array elements.
3698         (struct v_may_def_optype_d): Use v_may_def_operand_type.
3699         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
3700
3701 2004-08-11  Nick Clifton  <nickc@redhat.com>
3702
3703         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
3704         this funciton's behaviour.  Return true when the current function
3705         has a section attribute and -mlong-calls is in effect.
3706         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
3707         short-call marker when -mlong-calls is in effect and the function
3708         has a section attribute.
3709
3710 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
3711
3712         * stmt.c (expand_return): If asked to return the RESULT_DECL,
3713         just call expand_value_return on result_rtl.
3714
3715 2004-08-10  Richard Henderson  <rth@redhat.com>
3716
3717         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
3718         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
3719         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
3720         (add_location_or_const_value_attribute): ... not here.  Use
3721         loc_descriptor_from_tree if possible.
3722         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
3723         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
3724         values specially.
3725         (loc_descriptor_from_tree): New.  Update callers.
3726         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
3727         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
3728         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
3729         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
3730         and BUILT_IN_STACK_RESTORE.
3731         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
3732         * stmt.c (expand_stack_alloc): Remove.
3733         * tree-mudflap.c (mx_register_decls): Don't look for
3734         BUILT_IN_STACK_ALLOC.
3735         * tree-nested.c (convert_local_reference): Likewise.
3736         * tree.h (DECL_VALUE_EXPR): New.
3737
3738 2004-08-10  Richard Henderson  <rth@redhat.com>
3739
3740         * stor-layout.c (round_up): Check for 0/1 before dividing.
3741         (round_down): Likewise.
3742
3743         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
3744
3745 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
3746
3747         * config.gcc (arm*-*-eabi*): New target.
3748         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
3749         (TARGET_LIB_INT_CMP_BIASED): Likewise.
3750         * expmed.c (expand_divmod): Try a two-valued divmod function as a
3751         last resort.
3752         * gthr.h: Remove bogus tokens at end of #pragma.
3753         * optabs.c (expand_twoval_binop_libfunc): New function.
3754         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
3755         (prepare_float_lib_cmp): Try reversing the condition.
3756         (debug_optab_libfuncs): New function.
3757         * optabs.h (expand_twoval_binop_libfunc): Declare.
3758         * config/arm/arm.c (arm_init_libfuncs): New function.
3759         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
3760         (TARGET_INIT_LIBFUNCS): Define it.
3761         * config/arm/arm.h (TARGET_BPABI): New macro.
3762         * config/arm/arm-protos.h
3763         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
3764         * config/arm/bpabi.S: New file.
3765         * config/arm/bpabi.c: Likewise.
3766         * config/arm/bpabi.h: Likewise.
3767         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
3768         (__aeabi_drsub): Likewise.
3769         (__aeabi_dsub): Likewise.
3770         (__aeabi_dadd): Likewise.
3771         (__aeabi_ui2d): Likewise.
3772         (__aeabi_i2d): Likewise.
3773         (__aeabi_f2d): Likewise.
3774         (__aeabi_dmul): Likewise.
3775         (__aeabi_ddiv): Likewise.
3776         (__aeabi_cdrcmple): Likewise.
3777         (__aeabi_cdcmpeq): Likewise.
3778         (__aeabi_cdcmple): Likewise.
3779         (__aeabi_dcmpeq): Likewise.
3780         (__aeabi_dcmplt): Likewise.
3781         (__aeabi_dcmple): Likewise.
3782         (__aeabi_dcmpge): Likewise.
3783         (__aeabi_dcmpgt): Likewise.
3784         (__aeabi_dcmpun): Likewise.
3785         (__aeabi_d2iz): Likewise.
3786         (__aeabi_d2uiz): Likewise.
3787         (__aeabi_d2f): Likewise.
3788         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
3789         (__aeabi_frsub): Likewise.
3790         (__aeabi_fsub): Likewise.
3791         (__aeabi_fadd): Likewise.
3792         (__aeabi_ui2f): Likewise.
3793         (__aeabi_i2f): Likewise.
3794         (__aeabi_fmul): Likewise.
3795         (__aeabi_fdiv): Likewise.
3796         (__aeabi_cfrcmple): Likewise.
3797         (__aeabi_cfcmpeq): Likewise.
3798         (__aeabi_cfcmple): Likewise.
3799         (__aeabi_fcmpeq): Likewise.
3800         (__aeabi_fcmplt): Likewise.
3801         (__aeabi_fcmple): Likewise.
3802         (__aeabi_fcmpge): Likewise.
3803         (__aeabi_fcmpgt): Likewise.
3804         (__aeabi_fcmpun): Likewise.
3805         (__aeabi_f2iz): Likewise.
3806         (__aeabi_f2uiz): Likewise.
3807         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
3808         (__aeabi_uidivmod): New function or alias.
3809         (__aeabi_idivmod): Likewise.
3810         (__aeabi_idiv0): Likewise.
3811         (__aeabi_ldiv0): Likewise.
3812         (__aeabi_llsr): Likewise.
3813         (__aeabi_lasr): Likewise.
3814         (__aeabi_llsl): Likewise.
3815         (bpabi.S): Include it.
3816         * config/arm/libgcc-bpabi.ver: New file.
3817         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
3818         (LINK_SPEC): Remove.
3819         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
3820         __aeabi_ulcmp.
3821         * config/arm/t-bpabi: New file.
3822         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
3823         (TARGET_LIB_INT_CMP_BIASED): Likewise.
3824
3825 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
3826
3827         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
3828         * config/rs6000/rs6000.md (clrmemsi): New pattern.
3829         * config/rs6000/rs6000.c (expand_block_clear): New function.
3830         (expand_block_move): Convert alignment to bits.  Use SImode and
3831         HImode for unaligned addresses if not STRICT_ALIGNMENT.
3832
3833 2004-08-10  Caroline Tice  <ctice@apple.com>
3834
3835         * varasm.c (unlikely_section_label): New global variable.
3836         (unlikely_text_section_name): New global variable.
3837         (text_section):  Remove alignment statement.
3838         (unlikely_text_section): Remove alignment statement; use
3839         unlikely_section_label rather than hard-coded string.
3840         (assemble_start_function): Initialize unlikely_section_label and
3841         unlikely_text_section_name;  make sure cold section is properly
3842         aligned at start of function; output unlikely_section_label if
3843         appropriate.
3844
3845 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
3846
3847         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
3848         * config/s390/s390.c (s390_canonicalize_comparison): New function.
3849         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
3850         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
3851         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
3852         ("*tmqi_mem"): Remove SUBREG from pattern.
3853         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
3854         ("*andsi3_cconly"): Likewise.
3855
3856 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
3857
3858         PR target/16909
3859         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
3860
3861 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
3862
3863         * doc/sourcebuild.texi (compat testing): Document available test
3864         framework commands.  Use the preferred spelling of DejaGnu.
3865
3866 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
3867
3868         * lambda.h: Add matrix type, and prototypes for remainder of
3869         matrix and vector functions.
3870         (lambda_vector_mult_const): New function.
3871         (lambda_vector_negate): Ditto.
3872         (lambda_vector_add): Ditto.
3873         (lambda_vector_add_mc): Ditto.
3874         (lambda_vector_copy): Ditto.
3875         (lambda_vector_zerop): Ditto.
3876         (lambda_vector_equal): Ditto.
3877         (lambda_vector_min_nz): Ditto.
3878         (lambda_vector_first_nz): Ditto.
3879         (lambda_vector_matrix_mult): Ditto.
3880         * lambda-mat.c: New file.
3881         * Makefile.in (lambda-mat.o): New.
3882
3883 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
3884
3885         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
3886         after linking stmt into the program.
3887         (bsi_remove): Don't call modify_stmt.
3888         * tree-complex.c (update_complex_assignment,
3889         expand_complex_comparison): Call modify_stmt after changing the stmt.
3890         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
3891         removing the stmt.
3892         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
3893         the stmt, and only if needed.
3894         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
3895         expression.
3896         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
3897         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
3898         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
3899         (eliminate_redundant_computations): Don't pass an annotation. Call
3900         modify_stmt rather than setting the annotation directly.
3901         (record_equivalences_from_stmt): Remove unused local 'j'.
3902         (cprop_operand): Take a stmt rather than an annotation as a parameter.
3903         Call modify_stmt.
3904         (cprop_into_stmt): Pass stmt rather than annotation.
3905         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
3906         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
3907         modify_stmt.
3908         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
3909
3910 2004-08-10  Jason Merrill  <jason@redhat.com>
3911
3912         PR middle-end/16948
3913         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
3914         the RESULT_DECL.
3915
3916 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
3917
3918         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
3919         hash function.
3920
3921 2004-08-10  Roger Sayle  <roger@eyesopen.com>
3922
3923         * config/mips/mips.md: New reciprocal square root patterns that
3924         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
3925
3926 2004-08-10  Paul Brook  <paul@codesourcery.com>
3927
3928         * config/arm/arm-protos.h (arm_set_return_address,
3929         thumb_set_return_address): Add prototypes.
3930         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
3931         * config/arm/arm.c (arm_compute_func_type,
3932         use_return_insn, arm_compute_save_reg0_reg12_mask,
3933         arm_compute_save_reg_mask, arm_output_function_prologue,
3934         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
3935         current_function_calls_eh_return.
3936         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
3937         old eh code.
3938         (arm_set_return_address, thumb_set_return_address): New functions.
3939         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
3940         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
3941         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
3942         (epilogue): Use the stackadj register.
3943         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
3944
3945 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
3946
3947         PR target/3144
3948         * expr.c (move_by_pieces_ninsns): Add max_size argument.
3949         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
3950         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
3951         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
3952         but using MOVE_RATIO.
3953         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
3954         (can_store_by_pieces): Change max_size type to unsigned int.
3955         (store_by_pieces_1): Likewise.  Pass max_size to
3956         move_by_pieces_ninsns.
3957         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
3958         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
3959         to move_by_pieces_ninsns.
3960         (STORE_BY_PIECES_P): Define.
3961         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
3962         to move_by_pieces_ninsns.
3963         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
3964
3965         * config/i386/i386.h (CLEAR_RATIO): Define.
3966
3967 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3968
3969         * expr.c (expand_expr_real_1): Add back code that was not dead.
3970
3971 2004-08-09  Andrew Pinski  <apinski@apple.com>
3972
3973         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
3974         which is found to be compatible before returning the aliasing set.
3975
3976 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
3977
3978         * ggc-zone.c (struct alloc_zone): Add statistics counters.
3979         (always_collect): New flag.
3980         (ggc_alloc_zone_1): Update statistics support.  Don't include
3981         overhead in allocated counter.
3982         (sweep_pages): Update allocated counter for large pages.  Don'y
3983         include overhead.
3984         (ggc_collect_1): Always collect.
3985         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
3986         whether to collect.
3987         (SCALE, LABEL): New macros.
3988         (ggc_print_statistics): Add statistics support.
3989
3990 2004-08-09  Roger Sayle  <roger@eyesopen.com>
3991
3992         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
3993         (init_expmed): Fix potential overrun problem with "all.reg".
3994         (expand_sdiv2_pow2): Add an alternate implementation for signed
3995         division, if the target provides a suitable conditional move insn.
3996
3997 2004-08-09  Paul Brook  <paul@codesourcery.com>
3998         Richard Henderson  <rth@redhat.com>
3999
4000         * unwind-dw2.c (uw_install_context_1): Update target saved stack
4001         pointer.
4002
4003 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
4004
4005         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
4006         Check DATA limit only if there's no AS limit.  Ignore insanely
4007         low DATA limits.
4008         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
4009         but take care that the AS limit isn't overrun.
4010         * doc/invoke.texi: Update documentation of min-heapsize parameter.
4011
4012 2004-08-09  Jeff Law  <law@redhat.com>
4013
4014         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
4015         (tree-ssa-threadupdate.o): Add dependencies.
4016         * tree-ssa-threadupdate.c: New file.
4017         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
4018         (rewrite_vars_out_of_ssa): Remove prototype.
4019         (cleanup_tree_cfg): Returns a bool.
4020         * tree.h (thread_through_all_blocks): Prototype.
4021         * tree-outof-ssa.c  (SSANORM_*): Move into here.
4022         (remove_ssa_form): Now static.
4023         (rewrite_vars_out_of_ssa): Kill.
4024         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
4025         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
4026         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
4027         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
4028         anything was changed.
4029         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
4030         from the PHI's annotation rather than the edge associated with
4031         the new argument.
4032         * tree-ssa-dom.c (redirection_edges): Kill.
4033         (redirect_edges_and_update_ssa_graph): Kill.
4034         (tree_ssa_dominator_optimize): Do not reset forwardable flag
4035         for blocks anymore.  Do not initialize redirection_edges.
4036         Call thread_through_all_blocks.  Simplify code for cleanup
4037         of the CFG and iterating.  No longer call cleanup_tree_cfg
4038         outside the iteration loop.
4039         (thread_across_edge): No longer mess with forwardable blocks.
4040
4041 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
4042
4043         * explow.c (memory_address): Use memory_address_p.
4044         * recog.c (general_operand): Likewise.
4045         * regrename.c: No need to define REG_OK_STRICT.
4046
4047 2004-08-09  Steven Bosscher  <stevenb@suse.de>
4048
4049         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
4050         New timers.
4051         * gcse.c: Include timevar.h.
4052         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
4053         and global_copy_prop_count.
4054         (local_const_prop_count, local_copy_prop_count): New static globals.
4055         (gcse_main): Set the right timevar for each pass.
4056         (cprop_jump): Increment global_const_prop_count when a constant is
4057         propagated.  Add "GLOBAL" to dump output.
4058         (cprop_insn): Increment global_const_prop_count when a constant is
4059         propagated, or global_copy_prop_count when a copy is propagated.
4060         (do_local_cprop): Likewise for local_const_prop_count and
4061         local_copy_prop_count.
4062         (one_cprop_pass): Initialize const/cprop counters to zero.
4063         Print out results of local and global const/cprop separately.
4064         (bypass_block): Break over-length line.
4065         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
4066         for bb-reorder.o and tracer.o.
4067
4068 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
4069
4070         * Makefile.in (GTFILES): Remove stmt.c
4071         (stmt.o): Do not depend on gt-stmt.h.
4072         * emit-rtl.c (emit_line_note): Do not call
4073         set_file_and_line_for_stmt.
4074         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
4075         do everything.
4076         * function.c (free_after_parsing): Do not free STMT field.
4077         (allocate_struct_function): Do not call init_stmt_for_function.
4078         (assign_stack_temp_for_type): Do not accept values of keep
4079         other than 0 or 1.
4080         (init_temp_slots): Do not initialize removed variables.
4081         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
4082         and X_VAR_TEMP_SLOT_LEVEL fields.
4083         * rtl.h (set_file_and_line_for_stmt): Remove.
4084         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
4085         struct stmt_status, cond_stack, case_stack, nesting_stack,
4086         nesting_depth, emit_locus, set_file_and_line_for_stmt,
4087         same_case_target_p, init_stmt_for_function, emit_nop,
4088         expand_start_cond, expand_start_elseif, expand_start_else,
4089         expand_elseif, expand_end_cond): Remove.
4090         (preserve_subexpressions_p): Remove references to CFUN->STMT.
4091         (expand_start_case, expand_end_case_type): Remove, merge into...
4092         (expand_case): ... this one, including other bits from
4093         expand_expr_real_1.  Inline same_case_target_p.  Turn members
4094         of CASE_STACK into local variables.
4095         (emit_case_bit_tests): Inline same_case_target_p.
4096         (add_case_node): Add HEAD argument, return new head of the list,
4097         do not handle default label here.
4098         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
4099         expand_start_elseif, current_nesting_level, expand_start_case,
4100         expand_end_case_type, expand_end_case, add_case_node,
4101         init_stmt_for_function, expand_elseif): Remove prototypes.
4102         (expand_case): Add prototype.
4103
4104 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
4105
4106         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
4107
4108 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
4109
4110         * expr.c (var_rtx): Remove.
4111         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
4112         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
4113         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
4114         Abort.
4115         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
4116         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
4117         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
4118
4119 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
4120         Ayal Zaks <zaks@il.ibm.com>
4121
4122         * common.opt (freschedule-modulo-scheduled-loops): New flag.
4123         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
4124         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
4125         when -freschedule-modulo-scheduled-loops flag is not specified.
4126         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
4127         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
4128         More accurate placing of insn in row of partial schedule.
4129         (ps_insn_find_column): New function.
4130         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
4131         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
4132         (schedule_region): Use sched_is_disabled_for_current_region_p.
4133         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
4134
4135 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
4136
4137         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
4138         change.
4139
4140 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
4141
4142         * config/i386/i386.c (ix86_expand_clrmem): Properly call
4143         gen_strset for 64bit target.
4144
4145 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
4146
4147         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
4148
4149 2004-08-07  Jason Merrill  <jason@redhat.com>
4150
4151         Make return in memory explicit.
4152         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
4153         (assign_parm_find_data_types): Remove code for old front end
4154         invisible reference handling.
4155         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
4156         (expand_function_end): Likewise.
4157         * gimplify.c (gimplify_return_expr): Handle a dereferenced
4158         RESULT_DECL.
4159         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
4160         (declare_return_variable): Handle DECL_BY_REFERENCE.
4161         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
4162         (cp_genericize_r): Use convert_from_reference.
4163         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
4164         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
4165
4166         * c-common.c (c_warn_unused_result): Check TREE_USED before
4167         warning about a CALL_EXPR with an unused value.
4168
4169 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
4170
4171         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
4172         to the compiler.  Use -fshort-wchar by default.
4173
4174 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
4175
4176         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
4177         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
4178         threshhold.
4179         * doc/invoke.texi (param): Document min-crossjump-insns.
4180
4181 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
4182
4183         PR c/13282
4184         * c.opt (Wmissing-field-initializers): New option.
4185         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
4186         * c-typeck.c (pop_init_level): Guard the missing field warning with
4187         warn_missing_field_initializers rather than extra_warnings.
4188         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
4189         some of the explanation from...
4190         (-Wextra): ...here.  Say that the missing field warning can be
4191         seperately controlled by -Wmissing-field-initializers.
4192
4193 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
4194
4195         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
4196         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
4197         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
4198         * tree.def (ENTRY_VALUE_EXPR): Remove.
4199
4200 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
4201
4202         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
4203         the places where it is actually needed.  Don't use repz; stosb
4204         for -Os with sufficiently small constant sizes.
4205         For sufficiently small repz; stos{l,q} repeat counts use a sequence
4206         of stos{l,q} instructions instead.
4207
4208 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4209
4210         PR tree-optimization/16807
4211         * loop-iv.c (dump_iv_info): Dump invariants correctly.
4212         (iv_subreg, iv_extend): Express value of invariant purely in
4213         base field.
4214
4215 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
4216
4217         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
4218         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
4219
4220 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
4221
4222         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
4223         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
4224         pre_dec_operand.
4225         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
4226         pattern until reload is finished to allow better code generation
4227         and split them completely into separate instrunctions.
4228         (*andsi3_split): New pattern.
4229
4230 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
4231
4232         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
4233         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
4234         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4235         * tree.h (handle_dll_attribute): Declare.  Test
4236         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4237         * c-common.h (c_determine_visibility): Declare.
4238         * c-common.c (c_determine_visibility): New function.
4239         * c-decl.c (finish_decl): Use it.
4240         (finish_function): Likewise.
4241         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
4242         zero, by default.  Use #if, not #ifdef, to test it.
4243         * config/arm/arm.c (arm_attribute_table): Use
4244         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
4245         #if.
4246         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
4247         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4248         to 1.
4249         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
4250         * config/i386/i386.c (ix86_attribute_table): Use
4251         handle_dll_attribute for dllimport/dllexport.  Test
4252         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4253         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
4254         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4255         it to 1.
4256         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
4257         with #if.
4258         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4259         it to 1.
4260         * doc/extend.texi (dllexport): Clarify and correct documentation.
4261         (dllimport): Likewise.
4262         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
4263         handle_dll_attribute.
4264
4265 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4266
4267         * tree-ssa-loop-manip.c: New file.
4268         * Makefile.in (tree-ssa-loop-manip.o): Add.
4269         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
4270         Declare.
4271         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
4272         form.
4273         (tree_ssa_loop_done): Verify loop closed ssa form.
4274         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
4275
4276 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4277
4278         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
4279         pa_asm_output_aligned_local): New functions.
4280         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
4281         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
4282         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
4283         pa_asm_output_aligned_common.
4284         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4285         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
4286         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
4287         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4288         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
4289         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
4290         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4291         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
4292         common data.
4293
4294 2004-08-05  Andrew Pinski  <apinski@apple.com>
4295
4296         * objc/objc-act.c (build_objc_string_object): Mark the address
4297         expression as constant.
4298
4299 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
4300
4301         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
4302         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
4303         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
4304
4305 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4306
4307         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
4308         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
4309         out, and associated obsolete comments.
4310
4311 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
4312
4313         * tree.h (force_fit_type): Return a tree, take three flags.
4314         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
4315         TREE_CONSTANT_OVERFLOW here.
4316         (int_const_binop, const_binop): Adjust.
4317         (size_int_type): Do sign extension here.
4318         (fold_convert_const, optimize_bit_field_compare,
4319         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
4320         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
4321         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
4322
4323 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4324
4325         PR tree-optimization/16864
4326         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
4327         for ssa names without default_def.
4328
4329 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
4330
4331         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
4332         frame pointer, restore eax with an ebp-relative address.
4333
4334 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
4335
4336         PR 14516
4337         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
4338         * c-common.h (make_rtl_for_local_static): Delete.
4339         * c-decl.c (shadow_tag_warned): Clean up comment.
4340         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
4341         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
4342         * c-semantics.c (make_rtl_for_local_static): Delete.
4343         * expr.c (init_block_move_fn): Use set_user_assembler_name.
4344         (init_block_clear_fn): Likewise.
4345         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
4346         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
4347         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
4348         * tree.h (make_decl_rtl): Remove second parameter.
4349         (set_user_assembler_name): New.
4350         * varasm.c (set_user_assembler_name): New.
4351         (make_decl_rtl): Remove second parameter.  Update callers in many
4352         files.
4353
4354 2004-08-05  Adam Nemet  <anemet@lnxw.com>
4355
4356         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
4357         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
4358         to LynxOS 4.0.
4359         * gthr-lynx.h: New file.
4360         * config/lynx-ng.h: Remove file.
4361         * config/lynx.h: Update to LynxOS 4.0.
4362         * config/t-lynx: New file.
4363         * config/i386/lynx-ng.h: Remove file.
4364         * config/i386/lynx.h: Update to LynxOS 4.0.
4365         * config/rs6000/lynxbase.h: Remove file.
4366         * config/rs6000/lynx.h: Update to LynxOS 4.0.
4367         * config/rs6000/t-lynx: New file.
4368         * doc/install.texi (Options specification): Remove reference to
4369         LynxOS from systems where --with-gnu-as makes a difference.
4370
4371 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4372
4373         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
4374         __UINTMAX_TYPE__.
4375         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
4376         __INTMAX_MAX__.
4377         (c_cpp_builtins): Call it.
4378         * doc/cpp.texi: Update.
4379
4380 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
4381
4382         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
4383         cost.
4384
4385 2004-08-04  Jan Hubicka  <jh@suse.cz>
4386
4387         * basic-block.h (profile_staus): New global variable.
4388         * cfg.c (profile_status): Declare.
4389         (check_bb_profile): Break out from ....; use profile_status
4390         (dump_flow_info): ... here.
4391         * cfgbuild.c (find_basic_blocks): Set profile_status.
4392         * cfgexpand.c (tree_expand_cfg): Likewise.
4393         * predict.c (estimate_probability): Likewise.
4394         * profile.c (branch_prob): Likewise.
4395         * tree-cfg.c (build_tree_cfg): Likewise.
4396         (dump_function_to_file): Use check_bb_profile.
4397         * tree-pretty-print (dump_bb_header): Likewise.
4398         * tree-profile.c (do_tree_profiling): Cleanup.
4399
4400 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
4401
4402         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
4403         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
4404         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
4405         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
4406         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
4407         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
4408         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
4409         (ggc-none.o, errors.o): Move rule to generators section;
4410         correct dependencies.
4411         (min-insn-modes.o): Move rule to generators section; remove
4412         unnecessary explicit command; correct dependencies.
4413         (print-rtl.o, print-rtl1.o): Correct dependencies.
4414         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
4415         (mostlyclean): Update.
4416
4417         * errors.c: Include bconfig.h not config.h.  Correct comment.
4418         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
4419         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
4420         * print-rtl.c: Don't include tm_p.h.
4421
4422         * rtl.h: Move forward-decl of struct function down where it's
4423         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
4424         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
4425
4426 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4427             Jeff Law  <law@redhat.com>
4428
4429         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
4430         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
4431         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
4432         manipulate the duplicated ssa names.
4433         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
4434         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
4435         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
4436         New functions.
4437         (release_ssa_name): Do not release ssa names that may have multiple
4438         definitions.
4439         * tree.h (release_ssa_name_force, mark_for_rewrite,
4440         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
4441         marked_ssa_names): Declare.
4442         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
4443         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
4444         Update call to rewrite_ssa_into_ssa.
4445
4446 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
4447
4448         * defaults.h (TARGET_DECLSPEC): New macro.
4449         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
4450         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
4451         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
4452         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
4453         __declspec support.
4454         (TARGET_DECLSPEC): Define.
4455         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
4456         __declspec support.
4457         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
4458         __declspec support.
4459         (TARGET_DECLSPEC): Define.
4460         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
4461         __declspec support.
4462         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
4463         support.
4464         * doc/tm.texi (TARGET_DECLSPEC): Document.
4465
4466         * doc/extend.texi: Fix typo in comment.
4467
4468 2004-08-04  Paul Brook  <paul@codesourcery.com>
4469
4470         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
4471         (TARGET_CXX): Use it.
4472         * target.h (struct gcc_target): Add cdtor_returns_this.
4473         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
4474         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
4475         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
4476
4477 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
4478
4479         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
4480         low/high pair. Do range checking directly.
4481         (interpret_integer): Adjust.
4482
4483 2004-08-04  Nick Clifton  <nickc@redhat.com>
4484
4485         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
4486         GCC ABI.
4487         * doc/invoke.texi: Document this new switch and also the -mrenesas
4488         switch.
4489
4490 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
4491
4492         * cfglayout.c (insn_locators_initialize): Update the current
4493         location before initializing a location.
4494
4495 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
4496
4497         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
4498         (dbxout_function_end): Return after emitting the "Lscope" symbol
4499         under the same conditions that this function formerly wasn't called.
4500         Add explanatory comments.
4501
4502         PR 14860
4503         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
4504         on the new decl.
4505
4506         PR 13956
4507         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
4508         functions, broken out of dbxout_block.
4509         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
4510         stabs too, if it contains symbols.  Use the begin_label and
4511         the Lscope label (emitted by dbxout_function_end) for the
4512         range of this block.
4513
4514 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
4515
4516         * doc/install.texi: Update autoconf version requirements.
4517
4518 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
4519
4520         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
4521         * recog.c (general_operand, immediate_operand, nonmemory_operand)
4522         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
4523         * regclass.c (record_reg_classes): Likewise.
4524         * reload.c (find_reloads): Likewise.
4525         * reload1.c (reload): Likewise.
4526
4527 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
4528
4529         * gensupport.c (init_md_reader_args_cb): Renamed from
4530         init_md_reader_args.  Add third option, callback function for
4531         parsing program-specific options.  Add diagnosis of incorrect
4532         number of input files.
4533         (init_md_reader): Fold into init_md_reader_args_cb.
4534         (init_md_reader_args): Now a thin wrapper around
4535         init_md_reader_args_cb.
4536         * gensupport.h: Update prototypes.
4537
4538         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4539         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4540         * genrecog.c: No need to diagnose lack of an input file;
4541         init_md_reader_args will handle it.
4542         * genconditions.c: Likewise, and use init_md_reader_args.
4543         * genconstants.c: Likewise, and no need to call read_md_rtx.
4544
4545 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
4546
4547         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
4548         declarations.
4549
4550 2004-08-03  Mike Stump  <mrs@apple.com>
4551
4552         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
4553         for frameworks.
4554         * doc/invoke.texi (Darwin Options): Update to reflect above.
4555
4556 2004-08-03  Roger Sayle  <roger@eyesopen.com>
4557
4558         PR middle-end/16790
4559         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
4560         truncations, not just global truncations.
4561
4562 2004-08-03  Andrew Pinski  <apinski@apple.com>
4563
4564         PR bootstrap/16865
4565         * loop-iv.c (simplify_using_assignment): Initialize lhs.
4566
4567 2004-08-03  Paul Brook  <paul@codesourcery.com>
4568
4569         * gcc/doc/install.texi: Document MPFR requirement.
4570
4571 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
4572
4573         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
4574         and mmap() explicitly instead of relying on preset autoconf cache
4575         variables.
4576         * configure: Regenerate.
4577
4578 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
4579
4580         PR target/16570
4581         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
4582         to tmake_file.
4583         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
4584         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
4585         to tmake_file.
4586
4587         * config/i386/t-gmm_malloc: New file.
4588         * config/i386/t-pmm_malloc: Likewise.
4589
4590         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
4591
4592 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
4593             Tanguy Fautrà <tfautre@pandora.be>
4594
4595         * config/i386/pmm_malloc.h: New file.
4596
4597 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
4598
4599         * config/i386/gmm_malloc.h: New file.
4600
4601 2004-08-03  Dale Johannesen  <dalej@apple.com>
4602
4603         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
4604         * c-common.c: Include opts.h.
4605         (c_common_get_alias_set): Fix check for a single input file.
4606         * toplev.c: Remove current_file_decl.
4607         * tree.h: Ditto.
4608
4609 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
4610
4611         * config.gcc (arm*-*-symbianelf*): New target.
4612         * config/arm/symbian.h: New file.
4613
4614         * gthr-gnat.c: Add visibility #pragmas.
4615         * gthr-gnat.h : Likewise.
4616         * gthr.h: Likewise.
4617         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
4618         (__ffsDI2): Likewise.
4619         (__clzSI2): Likewise.
4620         (__ctzSI2): Likewise.
4621         (__ctzDI2): Likewise.
4622         (__popcountSI2): Likewise.
4623         (__popcountDI2): Likewise.
4624         (__paritySI2): Likewise.
4625         (__parityDI2): Likewise.
4626         * libgcc2.h: Add visibility #pragmas.
4627         (__clzDI2): Add prototype.
4628         (__clzSI2): Likewise.
4629         (__ctzSI2): Likewise.
4630         (__ffsDI2): Likewise.
4631         (__ffsSI2): Likewise.
4632         (__ctzDI2): Likewise.
4633         (__popcountSI2): Likewise.
4634         (__popcountDI2): Likewise.
4635         (__paritySI2): Likewise.
4636         (__parityDI2): Likewise.
4637         * unwind-dw2-fde.h: Add visibility #pragmas.
4638         * unwind.h: Likewise.
4639
4640 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
4641             Dale Johannesen  <dalej@apple.com>
4642             Roger Sayle  <roger@eyesopen.com>
4643
4644         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
4645         constants more accurately.  Adjust costs for FMA instructions.
4646         Add cases for most logical and float operations.  Recurse into
4647         most operands.
4648
4649 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
4650
4651         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
4652
4653 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
4654
4655         * ra-build.c (conflicts_between_webs): For webs that cross a call add
4656         conflicts to regs_invalidated_by_call.
4657
4658 2004-08-03  Paul Brook  <paul@codesourcery.com>
4659
4660         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
4661
4662 2004-08-03  Jan Hubicka  <jh@suse.cz>
4663
4664         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
4665         ARRAY_REF argument.
4666
4667 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
4668
4669         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
4670         arm968es, arm10e, arm1020e, arm1022e.
4671         * invoke.texi: Update list of ARM cores.
4672         * arm-tune.md: Regenerate.
4673
4674 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
4675
4676         * arm/gentune.sh: New file.
4677         * arm/t-arm: New file.
4678         * arm/arm-tune.md: New file (autogenerated).
4679         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
4680         * arm.md (attribute tune): Delete.  Include arm-tune.md.
4681
4682 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
4683
4684         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
4685         penultimate parameter.  All callers adjusted.
4686         (struct prefix_list): Remove used_flag_ptr.
4687         (find_a_file): Do not set *pl->used_flag_ptr.
4688         (warn_B, warn_std_ptr): Remove.
4689
4690 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
4691             Mostafa Hagog <mustafa@il.ibm.com>
4692
4693         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
4694
4695 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
4696
4697         * dwarf2out.c (output_call_frame_info): Don't change data format
4698         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
4699         label.  Use 'true' not '1'.
4700         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
4701         required.
4702
4703 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
4704
4705         * gdbinit.in: Reflect previous changes to rtunion_def.
4706
4707 2004-08-02  Roger Sayle  <roger@eyesopen.com>
4708
4709         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
4710         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
4711
4712 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4713
4714         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
4715         vec_p_reserve.
4716         * langhooks.h (lang_hooks::builtin_function): Rename parameter
4717         from "class" to "bt_class".
4718
4719 2004-08-02  Paul Brook  <paul@codesourcery.com>
4720
4721         PR rtl-optimization/15068
4722         * flow.c (init_propagate_block_info): Check condition is reversible.
4723
4724 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4725
4726         * gengtype.h (options::info): Change type to const char *.
4727         (enum gc_used_enum): Move out of struct type scope.
4728         * gengtype.c (create_option): Convert initializer for option::info to
4729         appropiate type.
4730         (adjust_field_type, walk_type, write_func_for_structure,
4731         write_root, write_roots): Remove pointless cast.
4732
4733 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
4734
4735         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
4736
4737 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4738
4739         * rtl.h (union rtunion_def): Have all members  start with the
4740         prefix "rt_".
4741         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
4742         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
4743         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
4744         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
4745         access.
4746         * gengtype.c (adjust_field_rtx_def): Likewise.
4747         * rtlanal.c (loc_mentioned_in_p): Likewise.
4748
4749 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
4750
4751         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
4752         Replace uses of mips/elf64.h with mips/elf.h
4753         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
4754         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
4755         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
4756         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
4757         (HANDLE_SYSV_PRAGMA): Delete.
4758         (ASM_OUTPUT_DEF): Fix formatting.
4759         * config/mips/elf64.h: Delete.
4760
4761 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
4762
4763         * config/ia64/ia64.c (got_symbolic_operand): Do require a
4764         symbol+offset operand to have its offset be zero mod 0x3fff
4765         when GOT entries are in use.  Clarify logic in SYMBOL_REF
4766         case.  Clarify comments.
4767         (ia64_expand_load_address): Split a symbol+offset load when
4768         the offset is nonzero mod 0x3fff, not 0x1fff.
4769
4770 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
4771
4772         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
4773         if trying to *store* to a non-offsettable address.
4774         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
4775         a nonoffsettable address.
4776         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
4777         Clean up.
4778         (movti_string): Don't move GPRs to a nonoffsettable address.
4779         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
4780
4781 2004-08-02  Ben Elliston  <bje@au.ibm.com>
4782
4783         PR target/16155
4784         * config/rs6000/altivec.h: Replace typeof with __typeof__.
4785
4786 2004-08-01  Richard Henderson  <rth@redhat.com>
4787
4788         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
4789         variable sized types.
4790
4791 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
4792
4793         * doc/invoke.texi: In the MIPS options section, remove the passage
4794         saying that -mexplicit-relocs is usually disabled for -mabicalls
4795         -fno-unit-at-a-time.
4796         * config/mips/mips.c (override_options): Remove the code that enforced
4797         this rule.
4798
4799 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
4800
4801         * config/mips/mips.md (cprestore): Provide two alternatives, one for
4802         an in-range offset and one for an out-of-range offset.  Wrap the latter
4803         in .set macro/.set nomacro if it's inside a .set nomacro block.
4804
4805 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
4806
4807         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
4808         (mips_restore_gp): Declare.
4809         * config/mips/mips.c (mips_add_offset): Add a scratch register
4810         argument.  Reimplement in rtl only, reusing MIPS16 logic from
4811         mips_output_mi_thunk.
4812         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
4813         to mips_add_offset.
4814         (mips_gp_save_slot): Delete.
4815         (mips_restore_gp): New function.
4816         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
4817         * config/mips/mips.md (exception_receiver): Turn into a
4818         define_insn_and_split.  Use mips_restore_gp to do the split.
4819         (call_internal, call_value_internal, call_value_multiple_internal): Use
4820         mips_restore_gp to restore $gp.
4821
4822 2004-07-31  Andrew Pinski  <apinski@apple.com>
4823
4824         PR other/16842
4825         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
4826
4827 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
4828
4829         * c-decl.c (diagnose_mismatched_decls): Give error for external
4830         redeclaration of identifier declared with no linkage, not just
4831         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
4832         error for redeclaration with no linkage.
4833
4834 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
4835             Fariborz Jahanian <fjahanian@apple.com>
4836
4837         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
4838         non-offsettable addresses even for DImode.
4839         (rs6000_split_multireg_move): Cope with non-offsettable addresses
4840         being moved into multiple GPRs.
4841
4842         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
4843         to 64.
4844         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
4845         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
4846         to 128.
4847         * config/rs6000/darwin-ldouble.c (isless): New macro.
4848         (inf): New macro.
4849         (nonfinite): New macro.
4850         (FPKINF): Delete.
4851         (_xlqadd): Completely rewrite.
4852         (_xlqmul): Correct overflow handling.
4853         (_xlqdiv): Correct overflow handling.
4854         * config/rs6000/darwin-ldouble-format: New file.
4855
4856 2004-07-30  Roger Sayle  <roger@eyesopen.com>
4857             Richard Henderson  <rth@redhat.com>
4858
4859         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
4860         9 into the equivalent lea instruction.
4861
4862 2004-07-30  Richard Henderson  <rth@redhat.com>
4863
4864         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
4865         with DECL_INITIAL if fb_lvalue.
4866         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
4867         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
4868         with <Cxxx>.
4869         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
4870
4871 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
4872
4873         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
4874         pointer escapes through a function call, assume that the
4875         callee will dereference it.
4876         (add_pointed_to_var): Assume that VALUE is always an
4877         ADDR_EXPR.
4878         (collect_points_to_info_r): Only call add_pointed_to_var if
4879         the value is an ADDR_EXPR.
4880
4881 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
4882
4883         * tree-ssa-alias.c (create_alias_map_for): Do not get the
4884         alias set of the inner type of ARRAY_TYPEs.
4885
4886 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
4887
4888         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
4889         setting a non-register to UNDEFINED right before the call to
4890         set_lattice_value.
4891
4892 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
4893
4894         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
4895
4896 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
4897
4898         * tree-ssa.c (verify_flow_sensitive_alias_info): When
4899         comparing points-to sets of different pointers, make sure the
4900         second pointer is actually referenced in the code.
4901
4902 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
4903
4904         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
4905         (got_symbolic_operand): Remove unreachable code.
4906         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
4907         setjmp_operand; add entry for tls_symbolic_operand.
4908         * config/ia64/ia64-protos.h: Remove all prototypes of
4909         predicate functions.
4910
4911 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
4912
4913         * c-common.h (lang_post_pch_load): New variable.
4914         * c-pch.c (lang_post_pch_load): Define it.
4915         (c_common_read_pch): Use it.
4916         * cgraphunit.c (record_call_1): Give the front end a chance to
4917         record additional needed entities when a variable is marked as
4918         needed.
4919         * tlink.c (recompile_files): Robustify.
4920         (scan_linker_output): If a symbol is assigned to a file,
4921         but after recompilation is not present there, issue an error
4922         message.
4923
4924 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4925
4926         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
4927         Take orig_loop argument and pass it to set_level.
4928         (schedule_sm): Pass the correct orig_loop to force_move_till.
4929
4930 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4931
4932         * cfgloop.c (update_latch_info): Update dominator of the new block.
4933         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
4934         info.
4935         * dominance.c (verify_dominators): Check that the dominance tree is
4936         connected.
4937         (recount_dominator): Ignore unreachable blocks.
4938         (iterate_fix_dominators): Cleanup old dominance information before
4939         recomputing it.
4940
4941 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
4942
4943         * tree-ssa-operands.c (get_expr_operands): Revert changes
4944         to ADDR_EXPR processing introduced by:
4945             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4946             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
4947
4948 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
4949
4950         * doc/implement-c.texi: Add C90 subclause references.  Point to
4951         preprocessor documentation instead of duplicating it.  Add points
4952         only present in C90.  Fill in documentation for all points.
4953
4954 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4955
4956         * pa.c (output_movb): Correct typo.
4957
4958 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
4959
4960         * ra.h (single_reg_in_regclass): Declare.
4961         * ra.c (single_reg_in_regclass): Define.
4962         (first_hard_reg): New.
4963         (init_ra): Initialize single_reg_in_regclass.
4964         * ra-colorize.c (ok_class): New.
4965         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
4966
4967 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
4968
4969         * gcov-io.h: Allow zero tag as EOF indicator.
4970         (gcov_is_eof): Remove.
4971         (gcov_truncate): Remove.
4972         * gcov-io.c (gcov_seek): Always SEEK_SET.
4973         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
4974         EOF tag.
4975         * coverage.c (read_counts_file): Don't use gcov_is_eof.
4976         * gcov-dump.c (dump_file): Likewise.
4977         * gcov.c (read_graph_file, read_count_file): Likewise.
4978
4979         * c-decl.c (complete_array_type): Don't gratuitously copy
4980         maxindex.  Check it always has a type.
4981
4982 2004-07-29  Steven Bosscher  <stevenb@suse.de>
4983
4984         * rtl.c (currently_expanding_to_rtl): New.
4985         * rtl.h (currently_expanding_to_rtl): Export it.
4986         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
4987
4988         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
4989         inliner hack.
4990         * config/sh/sh.c: Replace rtx_equal_function_value_matters
4991         with currently_expanding_to_rtl.
4992         * config/sh/sh.md: Likewise.
4993         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
4994
4995 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
4996
4997         Introduce sh2a support.
4998         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
4999         * config.gcc: Build multilibs for sh2a and sh2a-single by
5000         default.
5001         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
5002         default.  Split their tests out of the corresponding SH4
5003         multilibs.
5004         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
5005         multilibs for SH2a.
5006         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
5007         * config.gcc: Handle sh2a multilibs and cpu selection.
5008         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
5009         * config/sh/t-mlib-sh2a: New.
5010         * config/sh/t-mlib-sh2a-nofpu: New.
5011         * config/sh/t-mlib-sh2a-single: New.
5012         * config/sh/t-mlib-sh2a-single-only: New.
5013         2004-07-09  Nick Clifton  <nickc@redhat.com>
5014         Issue 43400
5015         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
5016         -ml and -m2a are used together.
5017         2004-03-23  DJ Delorie  <dj@redhat.com>
5018         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
5019         when we have a double-sized FPU.
5020         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
5021         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
5022         is set.
5023         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
5024         -msh2a-single and -msh2a-single-only
5025         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
5026         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
5027         is set.
5028         2004-02-20  DJ Delorie  <dj@delorie.com>
5029         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
5030         2004-02-20  Fred Fish <fnf@redhat.com>,
5031         Corinna Vinschen <vinschen@redhat.com>
5032         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
5033         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
5034         2004-02-18  DJ Delorie  <dj@redhat.com>
5035         * config/sh/sh.c (broken_move): Add support for movi20.
5036         * config/sh/sh.h: Likewise.
5037         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
5038         * config/sh/sh.md (udivsi3_sh2a): New.
5039         (udivsi3): Call it.
5040         (divsi3_sh2a): New.
5041         (divsi3): Call it.
5042         (mul_r): New.
5043         (ashlsi3_sh2a): New.
5044         (ashrsi3_sh2a): New.
5045         (lshrsi3_sh2a): New.
5046         (movsi_i): Disable for sh2a.
5047         (movsi_ie): Add movi20.
5048         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
5049         sh2a, for -m2a-nofpu mode.
5050         2004-02-13  DJ Delorie  <dj@redhat.com>
5051         * config/sh/lib1funcs.asm: Handle double vs single better.
5052         * config/sh/sh.h: Likewise.
5053         2004-02-09  DJ Delorie  <dj@redhat.com>
5054         * config/sh/crt1.asm: Add support for sh2a.
5055         * config/sh/elf.h: Likewise.
5056         * config/sh/lib1funcs.asm: Likewise.
5057         * config/sh/sh.c: Likewise.
5058         * config/sh/sh.md: Likewise.
5059         * config/sh/sh.h: Likewise.
5060         * config/sh/t-sh: Likewise.
5061
5062 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
5063
5064         * config/frv/frv.md (movqi_internal, movhi_internal,
5065         movsi_internal): Add backup alternatives for memory inputs.
5066
5067 2004-07-28  Matt Austern  <austern@apple.com>
5068
5069         * config/darwin.c (darwin_one_byte_bool): New global variable.
5070         * config/darwin.h (darwin_one_byte_bool): Declare.
5071         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
5072         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
5073         value of darwin_one_byte_bool.
5074         * doc/invoke.texi: Document -mone-byte-bool flag.
5075
5076 2004-07-28  Eric Christopher  <echristo@redhat.com>
5077
5078         * c-common.c (c_common_unsafe_for_reeval): Delete.
5079         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
5080         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
5081         * calls.c (fix_unsafe_tree): Delete.
5082         (expand_call): Delete code which used above.
5083         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
5084         * expr.c (expand_expr_real_1): Ditto.
5085         * fold-const.c (non_lvalue): Ditto.
5086         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
5087         (lhd_unsafe_for_reeval): Ditto.
5088         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
5089         * langhooks.h (unsafe_for_reeval): Ditto.
5090         (unsave_expr_now): Adjust comment.
5091         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
5092         (estimate_num_insns_1): Ditto.
5093         * tree-pretty-print.c (dump_generic_node): Ditto.
5094         * tree.c (expr_align): Ditto.
5095         (unsave_expr): Delete.
5096         (unsafe_for_reeval): Ditto.
5097         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
5098         * tree.def (UNSAVE_EXPR): Delete.
5099         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
5100
5101 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
5102
5103         * tree.h (enum tls_model): Move ...
5104         * coretypes.h: ... here.
5105
5106 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
5107
5108         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
5109
5110 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
5111
5112         * cse.c (validate_canon_reg): New function, split out from...
5113         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
5114
5115 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5116
5117         * tree-ssa-alias.c (maybe_create_global_var): Don't just
5118         return if .GLOBAL_VAR has been created.
5119
5120 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5121
5122         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
5123         every variable that may have aliases, not just tags.
5124
5125 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
5126
5127         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
5128         move_from_CR_eq_bit.
5129         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
5130
5131
5132         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
5133         e500_flip_eq_bit.
5134
5135         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
5136         output_e500_flip_eq_bit.
5137
5138         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
5139         output_e500_flip_eq_bit.
5140         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
5141         output_e500_flip_eq_bit.
5142         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
5143         (print_operand): case D.  Get to EQ bit.
5144
5145 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
5146
5147         * gcov.c (function_summary): Add missing \n.
5148
5149 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
5150
5151         Introduce sh4a support.
5152         * config.gcc: Handle sh4a multilibs and cpu selection.
5153         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
5154         * config/sh/t-mlib-sh4a: New.
5155         * config/sh/t-mlib-sh4al: New.
5156         * config/sh/t-mlib-sh4a-nofpu: New.
5157         * config/sh/t-mlib-sh4a-single: New.
5158         * config/sh/t-mlib-sh4a-single-only: New.
5159         2004-02-20  DJ Delorie  <dj@redhat.com>
5160         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
5161         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
5162         2003-08-22  Eric Christopher  <echristo@redhat.com>
5163         * config/sh/sh4a.md: Update for chip errata.
5164         2003-08-07  Eric Christopher  <echristo@redhat.com>
5165         * config/sh/sh4a.md: New file. sh4a processor description.
5166         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
5167         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
5168         of -m4a-nofpu.
5169         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
5170         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
5171         * doc/invoke.texi (SH Options): Document -m4al.
5172         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
5173         * config/sh/sh.c (expand_block_move): Remove commented-out code
5174         checked in by mistake.
5175         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
5176         single elements from SFmode vectors.
5177         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
5178         register.
5179         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
5180         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
5181         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
5182         sh_fsca_int2sf): Remove variable declarations.
5183         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
5184         sh_fsca_int2sf): New functions.
5185         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
5186         sh_fsca_int2sf_rtx): New static variables.
5187         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
5188         sh_fsca_int2sf): Declare.
5189         * config/sh/sh.md: Adjust.
5190         * doc/invoke.texi (SH Options): Document new options.
5191         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
5192         compatibility from SH4 code.
5193         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
5194         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
5195         early.
5196         (memory_movsrc_operand): Renamed to...
5197         (unaligned_load_operand): ... this.  Simplified.
5198         * config/sh/sh.h (PREDICATE_CODES): Adjust.
5199         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
5200         input operand to SImode, and adjust the others.  Introduce
5201         post-increment by peephole.
5202         * config/sh/sh.c (expand_block_move): Give the target address the
5203         same mode as the temp reg.
5204         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
5205         copying.
5206         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
5207         Introduce support for SH4a.
5208         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
5209         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
5210         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
5211         sh_fsca_int2sf): New.
5212         (sh_init_builtins): Initialize them.
5213         (print_operand): Support `d'.
5214         (expand_block_move): Use movua if src is misaligned.
5215         (memory_movsrc_operand): New.
5216         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
5217         and one of the SH4 macros.
5218         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
5219         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
5220         SELECT_SH4A_SINGLE): New.
5221         (TARGET_NONE): Add SH4A_BIT.
5222         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
5223         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
5224         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
5225         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
5226         (enum processor_type): Added PROCESSOR_SH4A.
5227         (PREDICATE_CODES): Add memory_movsrc_operand.
5228         * config/sh/sh.md: Removed unused variables.
5229         (attr cpu): Add sh4a.
5230         (attr type): Add movua, fsrra and fsca.
5231         (prefetch): New, for SH4.
5232         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
5233         (toggle_sz): Set type to fp.
5234         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
5235         (movua, extv, extzv): New.
5236         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
5237         and 4a-single-only.
5238
5239 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5240
5241         * tree-optimize.c (init_tree_optimization_passes): Schedule
5242         pass_may_alias right after the program is renamed into SSA.
5243         * tree-pass.h (PROP_alias): Define.
5244         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
5245         * tree-sra.c (pass_sra): Likewise.
5246         * tree-ssa-ccp.c (pass_ccp): Likewise.
5247         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
5248         * tree-ssa-dce.c (pass_dce): Likewise.
5249         * tree-ssa-dom.c (pass_dominator): Likewise.
5250         * tree-ssa-dse.c (pass_dse): Likewise.
5251         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5252         * tree-ssa-loop-ch.c (pass_ch): Likewise.
5253         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
5254         * tree-ssa-pre.c (pass_pre): Likewise.
5255         * tree-tailcall.c (pass_tail_recursion): Likewise.
5256         * tree-ssa.c (pass_redundant_phi): Likewise.
5257         * tree-ssa-alias.c (aliases_computed_p): Remove.
5258         Update all users.
5259         (init_alias_info): Do not mark all type tags for renaming
5260         unconditionally.
5261         Clear may_aliases from every symbol.
5262         (setup_pointers_and_addressables): If a pointer has not been
5263         dereferenced and it had a type tag, clear it and mark the old
5264         tag for renaming.
5265
5266 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5267
5268         PR tree-optimization/16705
5269         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
5270         .GLOBAL_VAR.
5271
5272 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5273
5274         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
5275         check.
5276
5277         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
5278         don't make another one.
5279
5280         PR optimization/15077
5281         * function.h (struct function): Add field saved_static_chain_decl.
5282         Fix comment for static_chain_decl.
5283         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
5284         * tree-inline.h (save_body): Add new arg.
5285         * tree-optimize.c (tree_rest_of_compilation): Handle saving
5286         static_chain_decl.
5287
5288 2004-07-27  Richard Henderson  <rth@redhat.com>
5289
5290         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
5291         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
5292         is_gimple_addressable.
5293         * tree-gimple.c (is_gimple_addressable): Rename from
5294         is_gimple_addr_expr_arg; accept INDIRECT_REF.
5295         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
5296         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
5297         rename to is_gimple_addressable.
5298
5299 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
5300
5301         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
5302
5303 2004-07-27  Richard Henderson  <rth@redhat.com>
5304
5305         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
5306         before rounding.
5307
5308 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
5309
5310         * libgcc2.c: Change all conditionals testing
5311         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
5312         * libgcc2.h: Likewise.
5313         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
5314         TYPE_PRECISION of float80_type to 80.
5315         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
5316         of fpreg_type and float80_type to 80.
5317         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
5318         * config/m68k/netbsd-elf.h:
5319         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
5320         to evaluate to 80 whenever they would formerly have evaluated to 96.
5321         * config/i386/sco5.h: Remove unnecessary redefinition of
5322         LONG_DOUBLE_TYPE_SIZE.
5323         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
5324         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
5325         XFmode, with a bitsize of 80.  Update commentary.
5326         * config/ia64/ia64-modes.def: Likewise.
5327         * config/m68k/m68k-modes.def: Likewise.
5328
5329 2004-07-27  Steven Bosscher  <stevenb@suse.de>
5330
5331         * cfgexpand.c (tree_expand_cfg): Fix comment.
5332
5333         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
5334         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
5335         Remove.
5336         (prepare_function_start): Don't set rtx_equal_function_value_matters.
5337         * integrate.c (copy_rtx_and_substitute): Don't test for it.
5338         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
5339         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
5340         here again.  Update leading comment.
5341         * rtl.c (rtx_equal_function_value_matters): Remove.
5342         (rtx_equal_p): Don't test for it.
5343         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
5344         Likewise.
5345
5346         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
5347         * rtl.c (note_insn_name): Likewise.
5348         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
5349         * final.c (final_scan_insn): Likewise.
5350
5351         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
5352         * passes.c (rest_of_handle_eh): Do it here.
5353
5354         * stmt.c (struct nesting): Remove struct nesting block member.
5355         (struct stmt_status): Remove x_block_start_count field.
5356         (current_block_start_count): Remove.
5357
5358 2004-07-27  Brian Booth  <bbooth@redhat.com>
5359
5360         * tree-optimize.c (register_one_dump_file): Update condition that uses
5361         static_pass_number.
5362         (dup_pass_1): Replace with...
5363         (next_pass_1): This.
5364         (NEXT_PASS): Call next_pass_1.
5365         (DUP_PASS): Remove.
5366         (init_tree_optimization_passes): Remove uses of DUP_PASS.
5367         (execute_one_pass): Update condition that uses
5368         static_pass_number.
5369         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
5370         integer.
5371
5372 2004-07-27  Nick Clifton  <nickc@redhat.com>
5373
5374         * config/m32r/m32r.c: Include integrate.h in order to get the
5375         prototype for get_hard_reg_initial_val().
5376
5377         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
5378         and tidy up indentation.
5379         (final_presence_set): Use absence_set instead, so that if there is
5380         nothing in the "o" pipe the "s" pipe can be scheduled.
5381
5382 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
5383
5384         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
5385         don't have PT_VARS nor PT_MALLOC set.
5386         Clear name tag from pointers that have not been dereferenced.
5387         (set_pt_anything, set_pt_malloc): Forward declare.
5388         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
5389         not type compatibility when determining if a pointer can be
5390         copy propagated.
5391
5392 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
5393
5394         * expr.h (canonicalize_condition, get_condition): Add an int argument.
5395         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
5396         it to check whether the condition is still valid at the jump insn.
5397         * ifcvt.c (noce_get_condition): Likewise.
5398         (noce_get_alt_condition): Update call to canonicalize_condition.
5399         * loop-iv.c (simplify_using_initial_values): Update call to
5400         get_condition.  Remove FIXME.
5401         (check_simple_exit): Update call to get_condition.
5402         * loop-unswitch.c (may_unswitch_on): Likewise.
5403         * loop.c (check_dbra_loop): Likewise.
5404         (canonicalize_condition, get_condition): Add an argument to say whether
5405         the condition must still be valid at INSN.
5406         (get_condition_for_loop): Update call to get_condition.  Require that
5407         the condition be valid at INSN.
5408         * predict.c (estimate_probability): Update call to get_condition.
5409         Remove unused earliest parameter.
5410         (expected_value_to_br_prob): Update call to canonicalize_condition.
5411
5412 2004-07-26  Eric Christopher  <echristo@redhat.com>
5413
5414         * tree-dfa.c (add_referenced_var): Register initializers of global
5415         variables.
5416
5417 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
5418
5419         * config/i386/i386.c (function_arg): Always treat 8-
5420         and 16-byte wide vectors the same, even if MMX/SSE
5421         are disabled.
5422         (contains_128bit_aligned_vector_p): Add comment.
5423
5424 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
5425
5426         * ra.h (enum node_type): Rename to:
5427         (enum ra_node_type).
5428         * ra-colorize.c: Likewise.
5429
5430 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
5431
5432         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
5433         after simplifying the jump.
5434
5435 2004-06-26  Richard Henderson  <rth@redhat.com>
5436
5437         * calls.c (combine_pending_stack_adjustment_and_call): Make
5438         preferred_unit_stack_boundary argument unsigned.  Make
5439         unadjusted_alignment unsigned.
5440         (expand_call): Make preferred_stack_boundary and
5441         preferred_unit_stack_boundary variables unsigned.
5442         * function.c (assign_stack_local_1): Make alignment unsigned.
5443         * function.h (struct function): Make stack_alignment_needed,
5444         preferred_stack_boundary unsigned.
5445         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
5446         (ix86_compute_frame_layout): Make stack_alignment_needed,
5447         preferred_alignment variables unsigned.
5448         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
5449
5450 2004-07-26  Tom Tromey  <tromey@redhat.com>
5451
5452         * tree.h: Fix typo in comment.
5453
5454 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
5455
5456         PR bootstrap/12804
5457         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
5458         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
5459         (ggc_free): Remove incorrect freeing.
5460         (sweep_pages): Advance PP for large pages.  Fix indentation.
5461
5462 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
5463
5464         PR rtl-optimization/16643
5465         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
5466         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
5467         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
5468         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
5469         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
5470         * function.c (thread_prologue_and_epilogue_insns): Likewise.
5471         * rtl.h (tracer): Add a flags parameter.
5472         * tracer.c (tracer): Pass it to cfg_layout_initialise.
5473         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
5474         (rest_of_handle_reorder_blocks): Update calls to tracer and
5475         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
5476         (rest_of_handle_tracer): Pass 0 to tracer.
5477         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
5478
5479 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
5480
5481         PR target/16239
5482         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
5483         f->f.
5484
5485 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
5486
5487         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
5488         (BINFO_BASE_ACCESS): Adjust.
5489         (BINFO_BASE_ACCESS_APPEND): New.
5490         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
5491         * dbxout.c (dbxout_type): Adjust binfo access accessing.
5492         * dwarf2out.c (gen_member_die): Likewise.
5493         * tree-dump.c (deque_and_dump): Likewise.
5494
5495 2004-07-26  Falk Hueffner  <falk@debian.org>
5496
5497         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
5498         costs.
5499
5500 2004-07-25  Roger Sayle  <roger@eyesopen.com>
5501
5502         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
5503         value off of the stack if TARGET_USE_FFREEP.
5504
5505 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
5506
5507         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
5508         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
5509         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
5510         check on invocation of XRESIZEVEC ().
5511
5512 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
5513
5514         * c-common.c (disable_builtin_function): Rename variable n to
5515         new_disabled_builtin.
5516         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
5517         Rename local variable old to old_decl.
5518         * gensupport.c (shift_output_template): Rename parameter old to src.
5519         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
5520         old_rtx and newx to new_rtx.
5521
5522 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
5523
5524         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
5525         of c-pragma.h.
5526         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
5527         enum cpp_ttype.
5528         * c-lex.c: Likewise.
5529
5530 2004-07-25  Roger Sayle  <roger@eyesopen.com>
5531
5532         * fold-const.c (constant_boolean_node): Make extern.
5533         (make_range): Wrap long lines.
5534         (fold_cond_expr_with_comparison): Remove unnecessary call to
5535         pedantic_non_lvalue.  Add missing calls to fold_convert.
5536         (fold_truthop): Add missing calls to fold_convert.
5537         (fold): Likewise.
5538         * tree.h (constant_boolean_node): Add prototype here.
5539         * builtins.c (expand_builtin_strncmp): Add missing calls to
5540         fold_convert.
5541         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
5542         Call fold_convert and constant_boolean_node to correct types.
5543         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
5544         missing call to fold_convert to correct types.
5545
5546 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
5547             Brian Ryner  <bryner@brianryner.com>
5548
5549         PR c++/9283
5550         PR c++/15000
5551         * c-common.c (c_common_attribute_table): Allow
5552         handle_visibility_attribute to be called for types.
5553         (handle_visibility_attribute) When given a type, set the visibility
5554         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
5555         so that we can check later whether the attribute was present. Added
5556         warning if attribute applied to non class type.
5557         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
5558         decls and checking that they are consistent.
5559         * common.opt: Added -fvisibility.
5560         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
5561         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
5562         * flags.h, tree.h: Added assorted support defines for overall patch
5563         * opts.c: Added parsing support for -fvisibility.
5564         * tree.c (build_decl): Set visibility for all decls to be whatever
5565         is in force at that time.
5566         * varasm.c (default_binds_local_p_1): Reworked logic determining
5567         when to make a symbol locally bound.
5568         * doc/invoke.texi: Added documentation for -fvisibility and
5569         -fvisibility-inlines-hidden.
5570
5571 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5572
5573         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
5574         * c-common.c: Add missing casts from void * to other types.
5575         * c-decl.c: Likewise.
5576         * c-format.c: Likewise.
5577         * c-lex.c: Likewise.
5578         * c-pragma.c: Likewise.
5579         * c-typeck.c: Likewise.
5580         * defaults.h: Likewise.
5581         * genconstants.c: Likewise.
5582         * gengtype-lex.l: Likewise.
5583         * genmodes.c: Likewise.
5584         * read-rtl.c: Likewise.
5585         * rtl.c: Likewise.
5586
5587 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5588
5589         * bitmap.c: Use type-safe memory allocation macros from libiberty.
5590         * c-common.c: Likewise.
5591         * c-decl.c: Likewise.
5592         * c-lang.c: Likewise.
5593         * c-lex.c: Likewise.
5594         * c-opts.c: Likewise.
5595         * c-parse.in: Likewise.
5596         * c-typeck.c: Likewise.
5597         * genconditions.c: Likewise.
5598         * gengtype-lex.l: Likewise.
5599         * gengtype-yacc.y: Likewise.
5600         * gengtype.c: Likewise.
5601         * genmodes.c: Likewise.
5602         * gensupport.c: Likewise.
5603         * read-rtl.c: Likewise.
5604         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
5605         htab_find_slot().
5606
5607 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5608
5609         * c-decl.c (groktypename, groktypename_in_param_context): Rename
5610         variable typename to type_name.
5611         * c-lex.c (interpret_float): Likewise.
5612
5613 2004-07-25  Roger Sayle  <roger@eyesopen.com>
5614
5615         * convert.c (convert_to_real, convert_to_integer,
5616         convert_to_complex): Replace calls to build with calls to buildN.
5617         * coverage.c (tree_coverage_counter_ref): Likewise.
5618         * dojump.c (do_jump): Likewise.
5619         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
5620         * emit-rtl.c (component_ref_for_mem_expr,
5621         set_mem_attributes_minus_bitpos): Likewise.
5622         * explow.c (update_nonlocal_goto_save_area): Likewise.
5623         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
5624         expand_mult_add): Likewise.
5625         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
5626         store_constructor, get_inner_reference, expand_expr_real_1,
5627         try_casesi, try_tablejump): Likewise.
5628         * function.c (expand_function_start): Likewise.
5629         * stmt.c (emit_case_bit_tests, expand_end_case_type,
5630         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
5631         * stor-layout.c (place_union_field, layout_type): Likewise.
5632         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
5633         * varasm.c (copy_constant): Likewise.
5634
5635 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5636
5637         * c-common.c: Rename all identifiers named `new'.
5638         * c-decl.c: Likewise.
5639         * gensupport.c: Likewise.
5640         * simplify-rtx.c: Likewise.
5641         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
5642         with XNEW().
5643         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
5644         with XNEWVEC().
5645
5646 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
5647
5648         PR c/15360
5649         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
5650         declarations until after calling pushdecl.
5651         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
5652         "extern" and not on whether the declaration is initialized.
5653
5654 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
5655
5656         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
5657         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
5658         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
5659         "cpplib.h", "c-pragma.h", "c-common.h".
5660         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
5661         (solaris_register_pragmas): New functions.
5662         * config/sol2-protos.h: New file.
5663         * config/sol2.c: New file.
5664         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
5665         (REGISTER_TARGET_PRAGMAS): New macros.
5666         (solaris_pending_aligns, solaris_pending_inits)
5667         (solaris_pending_finis): New variables.
5668         * config/t-sol2 (sol2-c.o): Update dependencies.
5669         (sol2.o): New rule.
5670         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
5671         SUBTARGET_INSERT_ATTRIBUTES.
5672         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
5673         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
5674         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
5675         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
5676         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
5677         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
5678         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
5679         * config/sparc/sparc.c (sparc_attribute_table): New.
5680         (TARGET_INSERT_ATTRIBUTES): Define in terms of
5681         SUBTARGET_INSERT_ATTRIBUTES.
5682         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
5683         is defined.
5684         * doc/extend.texi (Solaris Pragmas): New section.
5685
5686 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5687
5688         * c-common.c: Rename all identifiers named `class' to `cl'.
5689         * c-common.h: Likewise.
5690         * c-parse.in: Likewise.
5691         * c-typeck.c: Likewise.
5692         * genmodes.c: Likewise.
5693         * real.c: Likewise.
5694         * real.h: Likewise.
5695         * recog.c: Likewise.
5696         * recog.h: Likewise.
5697         * regrename.c: Likewise.
5698         * tree.h: Likewise.
5699         * c-common.c (builtin_function_2): Change type of 5th parameter from
5700         int to enum built_in_function. Change type of 8th parameter from int
5701         to bool.
5702         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
5703         with GGC_CNEW().
5704         * c-typeck.c (convert_arguments): Change type of formal_prec from
5705         int to unsigned int.
5706         * genmodes.c (blank_mode): Make a few negative constants unsigned.
5707         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
5708         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
5709         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
5710         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
5711         iterator to for_all_modes () instead of an enum because enums can't
5712         be incremented in C++.
5713
5714
5715 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
5716
5717         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
5718         hard registers.
5719
5720 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5721
5722         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
5723         Handle ARRAY_RANGE_REF like ARRAY_REF.
5724
5725 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
5726
5727         * c-typeck.c (digest_init): Don't allow arrays of signed or
5728         unsigned variants of wchar_t to be initialized by wide string
5729         constants.  Do allow arrays of enumerated types compatible with
5730         wchar_t to be initialized by wide string constants.  Refine tests
5731         distinguishing wide and narrow strings and arrays.  Give specific
5732         error for arrays of other integer types initialized by string
5733         constants.
5734         (output_init_element, process_init_element): Check for
5735         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
5736         initializing with string constants.
5737
5738 2004-07-25  Richard Henderson  <rth@redhat.com>
5739
5740         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
5741         on the RESULT_DECL.
5742         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
5743         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
5744         DECL_IGNORED_P to new decl.
5745
5746 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
5747
5748         * config/ia64/ia64.c (general_xfmode_operand)
5749         (destination_xfmode_operand): Delete.
5750         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
5751         * config/ia64/ia64.md (*movxf_internal): Use general_operand
5752         and destination_operand.
5753
5754 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
5755
5756         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
5757         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
5758
5759 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
5760             Zack Weinberg  <zack@codesourcery.com
5761
5762         PR 16684
5763         * c-decl.c (diagnose_mismatched_decls): Don't issue a
5764         redundant-declaration warning the first time a builtin is
5765         declared explicitly.
5766
5767 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5768
5769         * tree.h (staticp): Change return type to bool.
5770
5771 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5772
5773         * c-common.c (c_staticp): Last episode of the staticp saga.
5774
5775 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5776
5777         * c-common.h (c_staticp): Change return type from int to bool.
5778         * tree.c (staticp): Likewise.
5779         * langhooks.h (staticp): Likewise.
5780
5781 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5782
5783         * langhooks-def.h (lhd_staticp): Change return type from int to
5784         bool in prototype to match definition.
5785
5786 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5787
5788         * system.h (bool, true, false): Don't redefine as preprocessor macros
5789         in C++.
5790
5791 2004-07-24  Roger Sayle  <roger@eyesopen.com>
5792
5793         * expmed.c (init_expmed): A signed modulus by a power of two is
5794         considered cheap if its less than or equal to four instructions.
5795
5796 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5797
5798         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
5799         GGC_CNEWVAR): New macros.
5800
5801 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5802
5803         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
5804         lists.
5805         * c-decl.c: Likewise.
5806         * c-format.c: Likewise.
5807         * c-lex.c: Likewise.
5808         * c-opts.c: Likewise.
5809         * c-pragma.c: Likewise.
5810         * c-typeck.c: Likewise.
5811         * gencheck.c: Likewise.
5812         * genconditions.c: Likewise.
5813         * genconfig.c: Likewise.
5814         * genflags.c: Likewise.
5815         * gengtype.c: Likewise.
5816         * gensupport.c: Likewise.
5817         * ggc-none.c: Likewise.
5818         * langhooks.c: Likewise.
5819         * statistics.h: Likewise.
5820         * stub-objc.c: Likewise.
5821         * java/decl.c: Likewise.
5822
5823 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
5824
5825         * config/m68k/m68k.c (output_scc_di): Fix coding style.
5826         (symbolic_operand): Fix prototype.
5827         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
5828         * config/m68k/m68k.md: Add constants for registers a0 and sp and
5829         use them, change from the "{...}" syntax to the simpler {...}
5830         syntax.
5831         (*cfv4_extendqisi2): Fix destination predicate.
5832         * config/m68k/m68k-protos.h: Remove various declarations also
5833         generated via PREDICATE_CODES.
5834
5835 2004-07-23  Mike Stump  <mrs@apple.com>
5836
5837         * c-typeck.c (convert_for_assignment): Tightened up pointer
5838         converstions that differ in signedness.
5839
5840 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
5841
5842         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
5843
5844 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5845
5846         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
5847         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
5848
5849         * gimplify.c (gimplify_compound_lval): Check for no handled
5850         operations, rather than checking for explicit list of nodes.
5851         (is_gimple_addr_expr_arg_or_indirect): New function.
5852         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
5853         redundant setting of TREE_INVARIANT.
5854         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
5855         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
5856
5857 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
5858
5859         PR tree-optimization/16688
5860         PR tree-optimization/16689
5861         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
5862         unnecessary initialization of 'tag'.
5863         (get_tmt_for): Check that the new type tag has the same alias
5864         set as the pointed-to type.
5865         (group_aliases): Only regular variables need to be removed
5866         from the alias set of a name tag.
5867         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
5868         propagation if the two types are not compatible.
5869         (merge_alias_info): Rename from replace_ssa_names_ann.
5870         Add more checking.
5871         (replace_exp_1): If both arguments are SSA_NAMEs, check that
5872         the propagation can be done.
5873         Only call merge_alias_info on pointers.
5874         (propagate_value): Likewise.
5875         * tree-ssa-copyrename.c: Include langhooks.h.
5876         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
5877         to do the merging.
5878         Do not coalesce variables with incompatible types.
5879         (rename_ssa_copies): Call replace_ssa_name_symbol.
5880         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
5881         the same type as the underlying _DECL.
5882         * tree-ssanames.c (replace_ssa_name_symbol): New function.
5883         * tree.h (replace_ssa_name_symbol): Declare.
5884
5885 2004-07-23  Richard Henderson  <rth@redhat.com>
5886
5887         PR c++/16277
5888         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
5889         unshare it properly.
5890         (gimplify_modify_expr_rhs): Push assignment from a conditional into
5891         the conditional for all non-register types.
5892
5893 2004-07-23  Richard Henderson  <rth@redhat.com>
5894
5895         * expr.c (expand_expr_real_1): Don't handle non-local variables.
5896         * expr.h (fix_lexical_addr): Remove.
5897         * function.c (NEED_SEPARATE_AP): Remove.
5898         (fix_lexical_addr): Remove.
5899         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
5900         not null decl_function_context.
5901         (create_alias_vars): Likewise.
5902         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
5903         (simple_goto_p): Likewise.
5904         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
5905         * tree-ssa-ccp.c (get_default_value): Likewise.
5906         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
5907         * tree.c (needs_to_live_in_memory): Likewise.
5908         * tree-flow-inline.h (may_be_aliased): Move...
5909         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
5910         when TREE_STATIC variables may be addressable.
5911
5912 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
5913
5914         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
5915
5916 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
5917
5918         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
5919         bitmap contents if GENERATOR_FILE is defined.
5920         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
5921         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
5922
5923 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
5924
5925         * c-decl.c (start_function): Form composite type of function types
5926         rather than copying type from previous prototype declaration.
5927
5928 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
5929
5930         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
5931         the const qualifier for the second argument in the C++ functions.
5932
5933         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
5934         specific pointer types.
5935
5936         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
5937         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
5938         for vector bool and/or vector pixel, add C++ and C missing support.
5939         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
5940         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
5941         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
5942         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
5943         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
5944         missing C++ and C support for vector bool and/or vector pixel.
5945         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
5946         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
5947         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
5948         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
5949         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
5950         C++ and C types used for vector bool and/or vector pixel.
5951         (vec_st, vec_stl): Add C++ support for vector pixel.
5952         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
5953         (vec_all_ne): Add C++ support for vector pixel.
5954
5955         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
5956         (vec_vmulesb): Add missing C++ function.
5957         (vec_perm): Fix type of third argument in C++ function.
5958         (vec_vsum4shs): Fix C++ function name.
5959         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
5960         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
5961         argument passed to the error handler in C macro.
5962         (vec_nmsub): Remove extra parens around argument names in C macro.
5963         (vec_packpx): Add missing parens in C macro.
5964
5965 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
5966
5967         * machmode.def: Remove vector modes.
5968         * config/alpha/alpha-modes.def: Add supported vector modes.
5969         * config/arm/arm-modes.def: Likewise.
5970         * config/frv/frv-modes.def: Likewise.
5971         * config/i386/i386-modes.def: Likewise.
5972         * config/rs6000/rs6000-modes.def: Likewise.
5973         * config/sh/sh-modes.def: Likewise.
5974
5975 2004-07-23  Matthias Klose  <doko@debian.org>
5976
5977         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
5978         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
5979         * config.h: Regenerate.
5980         * configure: Likewise.
5981
5982 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
5983
5984         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
5985         generated SYMBOL_REFs for labels.
5986         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
5987         Change prototype.
5988         (machopic_stub_name): Remove.
5989         (machopic_indirection_name): New function.
5990         (machopic_mcount_stub_name): Likewise.
5991         (machopic_classify_name): Remove.
5992         (machopic_function_base_sym): New function.
5993         (machpoic_classify_symbol): Likewise.
5994         (machopic_classify_ident): Remove.
5995         (machopic_define_ident): Likewise.
5996         (machopic_define_name): Likewise.
5997         (machopic_name_defined_p): Likewise.
5998         (machopic_ident_defined_p): Likewise.
5999         (darwin_strip_name_encoding): Likewise.
6000         (machopic_define_symbol): New function.
6001         * config/darwin.c (hashtab.h): Include.
6002         (machopic_defined_list): Remove.
6003         (machopic_classify_ident): Likewise.
6004         (machopic_classify_name): Likewise.
6005         (machopic_ident_defined_p): Likewise.
6006         (machopic_define_ident): Likewise.
6007         (machopic_define_name): Likewise.
6008         (machopic_symbol_defined_p): New function.
6009         (machopic_classify_symbol): Likewise.
6010         (machopic_data_defined_p): Use machopic_classify_symbol.
6011         (machopic_define_symbol): New function.
6012         (machopic_function_base_sym): New function.
6013         (machopic_non_lazy_pointers): Remove.
6014         (machopic_non_lazy_ptr_name): Likewise.
6015         (machopic_stubs): Likewise.
6016         (machopic_stub_name): Likewise.
6017         (NON_LAZY_POINTER_SUFFIX): New macro.
6018         (STUB_SUFFIX): Likewise.
6019         (machopic_indirection): New structure.
6020         (machopic_indirections): New variable.
6021         (machopic_indirection_hash): New function.
6022         (machopic_indirection_eq): Likewise.
6023         (machopic_indirection_name): Likewise.
6024         (machopic_mcount_stub_name): New function.
6025         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
6026         hash table.
6027         (machopic_indirect_data_reference): Rework to use new functions.
6028         (machopic_indirect_call_target): Likewise.
6029         (machopic_legitimize_pic_address): Likewise.
6030         (machopic_output_indirection): New function.
6031         (machopic_finish): Use it.
6032         (machopic_operand_p): Rework to use new functions.
6033         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
6034         (darwin_strip_name_encoding): Remove.
6035         (update_non_lazy_ptrs): Remove.
6036         (update_stubs): Likewise.
6037         (darwin_non_lazy_pcrel): Use new functions.
6038         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
6039         (ASM_OUTPUT_LABELREF): Likewise.
6040         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
6041         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
6042         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
6043         (TARGET_STRIP_NAME_ENCODING): Do not use
6044         darwin_strip_name_encoding.
6045         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
6046         darwin_strip_name_encoding.
6047         * config/i386/darwin.h (FUNCTION_PROFILER): Use
6048         machopic_mcount_stub_name.
6049         * config/i386/i386.c (x86_output_mi_thunk): Use
6050         machopic_indirection_name, not machopic_stub_name.
6051         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
6052         machopic_function_base_sym.
6053         (print_operand): Use machopic_classify_symbol.
6054         (rs6000_emit_prologue): Use machopic_function_base_sym.
6055         (output_profile_hook): Do not use machopic_stub_name.
6056         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
6057
6058 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6059
6060         PR c/7284
6061         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
6062         as multiplication.
6063
6064 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6065
6066         * doc/implement-c.texi: New file.
6067         * doc/extend.texi (C Implementation): Move to there.
6068         * doc/gcc.texi: Include implement-c.texi.
6069         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
6070
6071 2004-07-22  Jason Merrill  <jason@redhat.com>
6072
6073         * integrate.c (copy_decl_for_inlining): Remove invisible reference
6074         handling.
6075         * tree-inline.c (setup_one_parameter): Likewise.
6076
6077 2004-07-22  Brian Booth  <bbooth@redhat.com>
6078
6079         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
6080         (substitute_and_fold): Propigate into VUSE operands when possible.
6081         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
6082         (cp_lattice_meet): Handle merging of latticevalues when
6083         UNKNOWN_VAL is present.
6084         (visit_stmt): Visit assignments with V_MUST_DEFs.
6085         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
6086         (ccp_fold): Deal with RHS' that are constant and virtual.
6087         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
6088         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
6089         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
6090         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
6091         computing immediate uses.
6092         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
6093         transition.
6094         (replace_vuse_in): New function.
6095         (likely_value): Add check of vuse operands.
6096         (get_default_value): Set the default value of virtually defined
6097         variables to UKNOWN_VAL instead of VARYING.
6098
6099 2004-07-22  Richard Henderson  <rth@redhat.com>
6100
6101         * expr.c (emit_push_insn): Don't use set_mem_attributes.
6102
6103 2004-07-22  Richard Henderson  <rth@redhat.com>
6104
6105         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
6106         variables due to conditional compilation.
6107
6108 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
6109
6110         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
6111         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
6112         Release SSA names that have been re-renamed.
6113         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
6114         variable.
6115         * tree-ssa-alias.c (init_alias_info): If aliases have been
6116         computed before, clear existing alias information.
6117         (create_name_tags): Do no fixup PT_ANYTHING pointers.
6118         If the new name tag for a pointer is different than the one it
6119         had before, mark the old tag for renaming.
6120         (replace_may_alias): New function.
6121         (group_aliases): Call it.
6122         (setup_pointers_and_addressables): Always call get_tmt_for.
6123         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
6124         once.
6125         (set_pt_anything): New local function.
6126         (set_pt_malloc): New local function.
6127         (merge_pointed_to_info): Don't merge pointed-to variables from
6128         the original pointer if the destination is pointing to an
6129         unknown location.
6130         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
6131         (add_pointed_to_var): Do not add a variable to the points-to
6132         set if the pointer is already pointing to anywhere.
6133         (collect_points_to_info_r): If the defining statement is a PHI
6134         node, only merge pointed-to information if the argument has
6135         already been visited.
6136         (get_tmt_for): Only create a new tag if the pointer didn't
6137         have one already.
6138         (dump_alias_info): Emit more information.
6139         (dump_points_to_info_for): Likewise.
6140         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
6141         try to get the annotation of an SSA_NAME.
6142         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
6143         alias sets when checking is enabled.
6144         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
6145         (eliminate): Mark basic blocks that will need
6146         EH information cleaned up.
6147         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
6148         predecessor.
6149         Initialize need_eh_cleanup.
6150         (fini_pre): Call tree_purge_all_dead_eh_edges and
6151         cleanup_tree_cfg if needed.
6152         Free need_eh_cleanup.
6153         * tree-ssa.c (verify_ssa_name): New function.
6154         (verify_def): Call it.
6155         Re-arrange to avoid printing too many error messages.
6156         (verify_use): Likewise.
6157         (verify_phi_args): Likewise.
6158         (verify_flow_insensitive_alias_info): New function.
6159         (verify_flow_sensitive_alias_info): New function.
6160         (verify_alias_info): New function.
6161         (verify_ssa): Call verify_alias_info.
6162         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
6163         program.
6164         Re-arrange to avoid printing too many error messages.
6165         * tree-ssanames.c (make_ssa_name): Clear
6166         SSA_NAME_IN_FREE_LIST.
6167         (release_ssa_name): Never release a default definition.
6168         (release_defs): New function.
6169         * tree.h: Declare it.
6170         * tree-ssa-dce.c (remove_dead_stmt): Call it.
6171
6172 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
6173
6174         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
6175         If true, do a depth-first search.  Do a breadht-first search,
6176         otherwise.
6177         (walk_use_def_chains): Add new argument IS_DFS.
6178         Update all users.
6179         * tree-flow.h (walk_use_def_chains): Update prototype.
6180
6181 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
6182
6183         * config/cris/cris.md: Tweak formatting.
6184         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
6185         (mover2side, moverside, movemside, movei, op3, andu): Replace
6186         live define_peephole:s with define_peephole2 near-equivalents.
6187         Delete the rest.
6188         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
6189         word-size modes.
6190         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
6191         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
6192         "*mov_sidesi_mem" respectively.
6193
6194 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
6195
6196         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
6197         (gimplify_build1): Move from tree-complex.c do_unop.
6198         (gimplify_build2): Move from tree-complex.c do_binop.
6199         (gimplify_build3): New.
6200         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
6201         Adjust throughout to call the functions above.
6202         * tree-flow.h: Declare the functions above.
6203         * tree-nested.c (gimplify_val): Rename to...
6204         (tsi_gimplify_val): ... this.
6205
6206         * Makefile.in (tree_complex.o): Update dependencies.
6207         (stor-layout.o): Depend on regs.h.
6208         * c-common.c (handle_vector_size_attribute): Update for
6209         vector types without corresponding vector modes.
6210         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
6211         a corresponding vector mode is not available.
6212         * print-tree.c (print_node): Print nunits for vector types
6213         * regclass.c (have_regs_of_mode): New.
6214         (init_reg_sets_1): Initialize it and use it instead
6215         of allocatable_regs_of_mode.
6216         * regs.h (have_regs_of_mode): Declare it.
6217         * stor-layout.c (layout_type): Pick a mode for vector types.
6218         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
6219         build_replicated_const, do_unop, do_binop, do_plus_minus,
6220         do_negate, expand_vector_piecewise, expand_vector_parallel,
6221         expand_vector_addition, expand_vector_operations_1,
6222         expand_vector_operations, tree_lower_operations,
6223         pass_lower_vector_ssa, pass_pre_expand): New.
6224         (expand_complex_operations, pass_lower_complex): Remove.
6225         * tree-optimize.c (init_tree_optimization_passes): Adjust
6226         pass ordering for changes in tree-complex.c.
6227         * tree-pass.h: Declare new passes.
6228         * tree.c (finish_vector_type): Remove.
6229         (make_vector_type): New.
6230         (build_vector_type_for_mode, build_vector_type): Rewritten.
6231         * tree.def (VECTOR_TYPE): Document where the number of
6232         subparts is stored.
6233         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
6234         (make_vector): Remove declaration.
6235
6236 2004-07-21  Richard Henderson  <rth@redhat.com>
6237
6238         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
6239         TREE_THIS_VOLATILE, may_aliases, or optimization level.
6240         (remove_useless_vars): Dump debugging info.
6241         (expand_used_vars): Move ...
6242         * cfgexpand.c (expand_used_vars): ... here.  Make static.
6243         * tree-flow-inline.h (set_is_used): New.
6244         (set_default_def): Use get_var_ann.
6245         * tree-flow.h: Update decls.
6246         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
6247         (create_ssa_var_map): Use it.
6248         * tree-ssa.c (set_is_used): Remove.
6249
6250 2004-07-22  Ben Elliston  <bje@au.ibm.com>
6251
6252         * gdbinit.in: Set a breakpoint on internal_error.
6253
6254 2004-07-21  Richard Henderson  <rth@redhat.com>
6255
6256         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
6257         to create a new basic block.
6258
6259 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6260
6261         PR c/15052
6262         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
6263         return type on function definitions.  Move other warnings for
6264         qualified return type to -Wreturn-type.  Do not condition any such
6265         warnings on -pedantic.  Update comments.
6266         (start_function): Only copy function type from previous prototype
6267         declaration if return types are compatible.
6268         * c-typeck.c (function_types_compatible_p): Don't condition
6269         warning for incompatibility of volatile qualifiers on the return
6270         type on -pedantic.  Update comment.
6271         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
6272
6273 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6274
6275         * c-typeck.c (set_init_index): Require designator to be of integer
6276         type.
6277
6278 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6279
6280         PR c/11250
6281         * c-parse.in (init): Change to exprtype.
6282         (primary): Set original_code for STRING to STRING_CST.
6283         Call maybe_warn_string_init for compound literals.
6284         (initdcl, notype_initdcl): Call maybe_warn_string_init.
6285         (initval): Update.
6286         * c-tree.h (maybe_warn_string_init): New.
6287         (pop_init_level, process_init_element): Use struct c_expr.
6288         (struct c_expr): Update comment.
6289         * c-typeck.c (maybe_warn_string_init): New function.
6290         (digest_init): Call it.  Additional parameter strict_string.  All
6291         callers changed.
6292         (output_init_element): Likewise.
6293         (struct constructor_stack): Use struct c_expr for
6294         replacement_value.
6295         (really_start_incremental_init, push_init_level): Update.
6296         (pop_init_level): Update.  Return struct c_expr.
6297         (process_init_level): Update.  Take struct c_expr argument.
6298
6299 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
6300
6301         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
6302         commit.
6303
6304 2004-07-21  Eric Christopher  <echristo@redhat.com>
6305
6306         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
6307         removal.
6308         * c-decl.c (pop_scope): Ditto.
6309         * calls.c (expand_call): Remove call to current_nesting_level,
6310         update comment accordingly. Remove calls to expand_start_target_temps
6311         and expand_end_target_temps.
6312         * cfgexpand.c (construct_init_block): Remove call to
6313         expand_start_bindings_and_block.
6314         (construct_exit_block): Remove call to expand_end_bindings.
6315         * expr.c (safe_from_p): Remove BIND_EXPR handling.
6316         (expand_expr_real_1): Ditto. Fix formatting.
6317         (expand_vars): Delete.
6318         * stmt.c (POPSTACK): Remove block_stack.
6319         (stmt_status): Remove x_block_stack.
6320         (block_stack): Delete.
6321         (expand_start_bindings_and_block): Ditto.
6322         (expand_start_target_temps): Ditto.
6323         (expand_end_target_temps): Ditto.
6324         (current_nesting_level): Ditto.
6325         (warn_about_unused_variables): Ditto.
6326         (expand_end_bindings): Ditto.
6327         * tree.h: Remove declarations for above.
6328
6329 2004-07-21  Steven Bosscher  <stevenb@suse.de>
6330
6331         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
6332         * rtl.c (note_insn_name): Likewise.
6333         * print-rtl.c (print_rtx): Don't print it.
6334         * cfgrtl.h (can_delete_note_p): Don't handle it.
6335         (rtl_delete_block): Likewise.
6336         * passes.c (rest_of_handle_guess_branch_prob): Remove.
6337         (rest_of_compilation): Don't call it.
6338         * predict.c (process_note_predictions, process_note_prediction,
6339         note_prediction_to_br_prob): Remove.
6340         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
6341         * stmt.c (return_prediction): Remove.
6342         (expand_value_return): Don't call it.  Don't add prediction
6343         notes for return statements.
6344
6345 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
6346
6347         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
6348         once.
6349
6350 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
6351
6352         * c-common.c (vector_types_convertible_p): Use vector types'
6353         TYPE_SIZE and TREE_TYPE instead of their mode.
6354         * convert.c (convert_to_integer): Likewise.
6355         (convert_to_vector): Likewise.
6356         * fold-const.c (fold_convert): Likewise.
6357         * varasm.c (output_constant): Likewise.
6358         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
6359         Allow a VECTOR_TYPE initializer to be made of several vectors.
6360         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
6361         of cleared and need_to_clear, and use fold_convert.
6362         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
6363         integer vectors.
6364
6365 2004-07-20  Richard Henderson  <rth@redhat.com>
6366
6367         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
6368         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
6369
6370 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
6371
6372         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
6373         enormous cost if not TARGET_HARD_MUL.
6374
6375 2004-07-20  Andrew Pinski  <apinski@apple.com>
6376
6377         PR target/16557
6378         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
6379         (ASM_SPEC): here.
6380
6381 2004-07-21  Paul brook  <paul@codesourcery.com>
6382
6383         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
6384
6385 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6386
6387         * fold-const.c (operand_equal_p): Temporarily support NULL args.
6388         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
6389         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
6390
6391 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
6392
6393         * rtl.h (plus_constant): Delete.
6394         (plus_constant_wide): Rename to plus_constant.
6395         (plus_constant_for_output_wide): Delete vestigial prototype.
6396         (GEN_INT): Remove unnecessary cast.
6397         * tree.h (build_int_2, size_int_type): Delete.
6398         (build_int_2_wide): Rename to build_int_2.
6399         (size_int_wide): Rename to size_int_kind.
6400         (size_int_type_wide): Rename to size_int_type.
6401         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
6402         Remove unnecessary cast.
6403         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
6404         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
6405         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
6406         (size_int_type_wide): Rename size_int_type.
6407         (int_const_binop): Use size_int_type.
6408         * c-lex.c (interpret_integer): Use build_int_2.
6409         * final.c (split_double): Remove unnecessary casts.
6410         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
6411
6412 2004-07-20  Richard Henderson  <rth@redhat.com>
6413
6414         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
6415         (gimplify_compound_lval): Use is_gimple_tmp_reg.
6416         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
6417         (is_gimple_tmp_reg): New.
6418         * tree-gimple.h (is_gimple_tmp_reg): Declare.
6419
6420 2004-07-20  Richard Henderson  <rth@redhat.com>
6421
6422         * tree-pretty-print.c (dump_generic_node): Dump
6423         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
6424
6425 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
6426
6427         * tree-mudflap.c (mf_set_options_fndecl): New tree.
6428         (mudflap_init): Set it.
6429         (mudflap_register_call): Remove __mf_init call.
6430         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
6431         to pass "-ignore-reads" option to libmudflap if needed.
6432
6433 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
6434
6435         PR c++/14607
6436         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
6437         (MAKE_DECL_ONE_ONLY): Undefine.
6438         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
6439         readonly_data, one_only_data_section, forget_section): New prototypes.
6440         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
6441         functions.
6442         (pa_select_section): Add one-only (COMDAT) support.
6443         * pa.h (struct machine_function): Define.
6444         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
6445         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
6446         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
6447         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
6448         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
6449         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
6450         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
6451         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
6452         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
6453         for EXTRA_SECTION_FUNCTIONS.
6454         * doc/install.texi: Update binutils requirements.
6455
6456 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
6457
6458         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
6459         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
6460         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
6461         size_t.
6462         (struct VEC): Use unsigned for num and alloc.
6463         * vec.c (struct vec_prefix): Likewise.
6464         (vec_o_reserve): Adjust.
6465
6466         * dbxout.c (dbxout_type): Fix printf format.
6467
6468         * tree.h (binfo_member): Remove.
6469         * tree.c (binfo_member): Remove.
6470
6471 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
6472
6473         * tree.h: Include vec.h
6474         (DEF_VEC_P(tree)): New type.
6475         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
6476         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
6477         (BINFO_LANG_SLOT): Remove.
6478         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
6479         (struct tree_binfo): Turn base_binfos into a trailing
6480         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
6481         (binfo_lang_slots): Remove.
6482         * tree.c (binfo_lang_slots): Remove.
6483         (make_tree_binfo_stat): Take a base binfo count, not a
6484         lang slot count.  Adjust.
6485         * Makefile.in (TREE_H): Add vec.h
6486         * alias.c (record_component_aliases): Adjust BINFO access.
6487         * dbxout.c (dbxout_type): Likewise.
6488         * dwarf2out.c (gen_member_die): Likewise.
6489         * sdbout.c (sdbout_one_type): Likewise.
6490         * tree-dump.c (deque_and_dump): Likewise.
6491         * config/i386/i386.c (classify_argument,
6492         contains_128bit_aligned_vector_p): Likewise.
6493         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
6494         * doc/c-tree.texi (Classes): Update BINFO documentation.
6495
6496 2004-07-20  Steven Bosscher  <stevenb@suse.de>
6497
6498         * c-common.h (check_case_value): Remove prototype.
6499         (c_add_case_label): Adjust prototype.
6500         * c-common.c (check_case_value): Make static.
6501         (check_case_bounds): New function.
6502         (c_add_case_label): Use it.  Take new argument orig_type.
6503         * c-typeck.c (struct c_switch): New orig_type field.
6504         (c_start_case): Set it.
6505         (do_case): Pass it to c_add_case_label.
6506         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
6507         cases from here.  Add the labels in reverse order.
6508         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
6509         (add_case_node): Return nothing, don't check for duplicate cases.
6510         Insert new case nodes in a list, not in an AVL tree.
6511         (expand_end_case_type): Don't turn a case tree into a case list.
6512         (case_tree2list): Remove.
6513         * tree.h (add_case_node): Adjust prototype.
6514
6515 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
6516
6517         * genattr.c (struct range, struct function_unit,
6518         write_units, extend_range, init_range): Remove them.
6519         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
6520         Output "#define INSN_SCHEDULING" here.
6521         * genattrtab.c (struct range, struct function_unit_op,
6522         struct function_unit, struct dimension, enum operator,
6523         operate_exp, expand_units, simplify_knowing,
6524         encode_units_mask, simplify_by_exploding,
6525         find_and_mark_used_attributes, unmark_used_attributes,
6526         add_values_to_cover, increment_current_value,
6527         test_for_current_value, simplify_with_current_value,
6528         simplify_with_current_value_aux, gen_unit,
6529         write_unit_name, write_function_unit_info,
6530         write_complex_function, write_toplevel_expr,
6531         find_single_value, extend_range): Remove.
6532         (write_attr_get): Do not handle common_av->value
6533         being an FFS.
6534         (struct attr_desc): Remove func_units_p and blockage_p.
6535         (write_attr_valueq): Do not handle them.
6536         (find_attr): Do not clear them.
6537         (make_internal_attr): Do not initialize them.
6538         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
6539         * sched-vis.c (init_target_units, insn_print_units,
6540         init_block_visualization, print_block_visualization,
6541         visualize_scheduled_insns, visualize_no_unit,
6542         visualize_stall_cycles, visualize_alloc,
6543         visualize_free, target_units, get_visual_tbl_length,
6544         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
6545         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
6546         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
6547         * haifa-sched.c (blockage_range, clear_units,
6548         schedule_unit, actual_hazard, potential_hazard,
6549         insn_unit, unit_last_insn, unit_tick,
6550         actual_hazard_this_instance, potential_hazard,
6551         schedule_unit, max_insn_queue_index_value): Remove.
6552         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
6553         max_insn_queue_index.
6554         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
6555         * doc/md.texi (Processor pipeline description): Remove
6556         references to old pipeline descriptions.
6557         (Automaton pipeline description): Merge with the above.
6558         (Old pipeline description, Comparison of the two descriptions):
6559         Remove.
6560
6561         * bt-load.c (migrate_btr_def): Remove references to
6562         use_pipeline_interface.
6563         * haifa-sched.c (insn_cost, schedule_insn,
6564         schedule_block, advance_one_cycle, sched_init,
6565         queue_to_ready, sched_finish): Likewise.
6566         * modulo-sched.c (sms_schedule, advance_one_cycle,
6567         ps_has_conflicts): Likewise.
6568         * sched-rgn.c (init_ready): Likewise.
6569         (debug_dependencies): Likewise, and remove an "if (1)".
6570         * target.h (use_dfa_pipeline_interface): Remove.
6571         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6572         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6573         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6574         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6575         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6576         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6577         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6578         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6579         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6580         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6581         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6582         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6583         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6584         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6585         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6586         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6587         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6588         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6589         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6590
6591 2004-07-19  Roger Sayle  <roger@eyesopen.com>
6592
6593         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
6594
6595 2004-07-19  Jeff Law  <law@redhat.com>
6596
6597         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
6598         (get_eq_expr_value): Use it.  Simplify slightly.
6599
6600 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
6601
6602         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
6603         (umulsidi3_32bit_r4000): Likewise.
6604
6605 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
6606
6607         * vec.h: Propagate location information properly.
6608         (VEC_T_iterate): Add result pointer parameter.
6609         (VEC_T_space): New.
6610         (VEC_T_reserve): Use it.
6611
6612 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
6613
6614         * Makefile.in (c-format.o): Depend on c-format.h.
6615         * c-format.h: New file.
6616         (struct format_char_info): Add CHAIN member.
6617         * c-format.c: Move some types and constants to c-format.h.
6618         (format_type_error): Set to -1.
6619         (struct function_format_info): Use an int for format_type.
6620         (decode_format_type): Return an int.  Return format_type_error
6621         on error.
6622         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
6623         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
6624         (scan_char_table, time_char_table, monetary_char_table): Initialize
6625         CHAIN to NULL.
6626         (n_format_types): New variable.
6627         (check_format_info_main): Handle CHAIN in format_char_info.
6628         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
6629         TARGET_N_FORMAT_TYPES.
6630         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
6631         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
6632         * config/sol2-c.c: New file.
6633         * config/t-sol2: New file.
6634         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
6635         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
6636         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
6637
6638         * doc/extend.texi (Target Format Checks): New section.
6639         (Function Attributes): Mention it.
6640         * doc/invoke.texi: Mention target format checks.
6641         * doc/sourcebuild.texi: Mention target format checks.
6642         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
6643         TARGET_FORMAT_TYPES.
6644
6645 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6646
6647         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
6648         added.
6649         * config/s390/s390.c (regclass_map initializer): Register 35 added to
6650         ADDR_REGS.
6651         (load_multiple_operation, store_multiple_operation): Removed
6652         pointless sanity check.
6653         (s390_decompose_address): Added check for return_address_pointer_rtx.
6654         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
6655         (s390_return_address_offset): New function.
6656         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
6657         (FRAME_REGNO_P): Added check for register 35.
6658         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
6659         REG_ALLOC_ORDER): Appended entry for register 35.
6660         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
6661         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
6662         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
6663         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
6664         is eliminable using stack pointer or hard frame pointer.
6665         (REGISTER_NAMES): Added name for register 35.
6666         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
6667         pointless sanity check.
6668
6669 2004-07-19  Roger Sayle  <roger@eyesopen.com>
6670
6671         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
6672         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
6673         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
6674         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
6675         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
6676         (fold_relational_const): Tidy up handling of floating point
6677         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
6678         transformation; fold_relational_const assumes constant operands.
6679
6680 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
6681
6682         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
6683         directory.
6684
6685 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
6686
6687         * c-tree.h (struct c_expr): Define.
6688         (C_SET_EXP_ORIGINAL_CODE): Remove.
6689         (parser_build_binary_op, build_compound_expr): Update prototypes.
6690         * c-parse.in (%union): Add exprtype.
6691         (FUNC_NAME): Mark as ttype.
6692         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
6693         exprtype.
6694         (expr): Update.  Define directly in terms of expr_no_commas
6695         instead of using nonnull_exprlist.
6696         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
6697         offsetof_member_designator, typespec_nonreserved_nonattr, init,
6698         initval, designator, component_declarator,
6699         component_notype_declarator, enumerator, array_declarator,
6700         condition, exexpr, switch_statement, stmt_nocomp, stmt,
6701         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
6702         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
6703         where appropriate.
6704         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
6705         * c-common.c (c_common_truthvalue_conversion): Don't check
6706         C_EXP_ORIGINAL_CODE.
6707         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
6708         Don't use C_EXP_ORIGINAL_CODE.
6709         (default_conversion, default_function_array_conversion): Don't use
6710         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
6711         (internal_build_compound_expr): Merge into build_compound_expr.
6712         (build_compound_expr): Take two operands instead of a TREE_LIST.
6713         * objc/objc-act.c (get_super_receiver): Update calls to
6714         build_compound_expr.
6715
6716 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
6717
6718         * config/sh/sh.c (sh_use_dfa_interface): Remove.
6719         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
6720         hook_int_void_1.
6721         * config/sh/sh.md: Extract pipeline descriptions
6722         into separate files.
6723         * config/sh/sh1.md: New file, extracted from sh.md.
6724         * config/sh/sh4.md: New file, extracted from sh.md.
6725         * config/sh/shmedia.md: New file, extracted from sh.md
6726         and rewritten using new-style pipeline description.
6727
6728 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
6729
6730         * config/pa/pa.md: Delete the two remaining define_peephole
6731         patterns.
6732
6733 2004-07-18  Steven Bosscher  <stevenb@suse.de>
6734             Joseph S. Myers  <jsm@polyomino.org.uk>
6735
6736         * c-common.c (c_common_truthvalue_conversion): Don't warn if
6737         TREE_NO_WARNING is set.
6738
6739 2004-07-18  Roger Sayle  <roger@eyesopen.com>
6740
6741         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
6742         simplify_builtin_strncmp): Delete.
6743         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
6744         Change argument to accept an arglist instead of an "exp".  Assume
6745         that the return type is always integer_type_node.  Copy missing
6746         transformations from their now obsolete simplify_builtin_*
6747         equivalents.
6748         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
6749         fold_builtin_strcmp and fold_builtin_strncmp.
6750         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
6751         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
6752         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
6753
6754 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
6755
6756         * Makefile.in (tree-alias-common.o): Update dependencies.
6757
6758 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
6759
6760         * cfgloop.c (flow_loop_nested_p): Fix comment.
6761
6762 2004-07-17  Jason Merrill  <jason@redhat.com>
6763
6764         PR c++/16115
6765         * stor-layout.c (relayout_decl): New fn.
6766         * tree.h: Declare it.
6767         (DECL_BY_REFERENCE): New macro.
6768
6769 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
6770
6771         * libgcc2.c (__enable_execute_stack): New symbol.
6772         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
6773         and declare __enable_execute_stack.
6774         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
6775         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
6776         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
6777         ENABLE_EXECUTE_STACK.
6778         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
6779         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
6780         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
6781         ENABLE_EXECUTE_STACK.
6782         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6783         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
6784         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
6785         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
6786         ENABLE_EXECUTE_STACK.
6787         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6788         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6789         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6790         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6791         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
6792         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
6793         (sparc64_initialize_trampoline): Likewise.
6794         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
6795
6796 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
6797
6798         * langhooks.h (builtin_function): New langhook.
6799         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
6800         (LANG_HOOKS_INITIALIZER): Update.
6801         * tree.h (builtin_function): Remove.
6802         * doc/tm.texi: Update.
6803         * c-tree.h (builtin_function): Declare.
6804         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
6805         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
6806         config/ia64/ia64.c, config/iq2000/iq2000.c,
6807         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
6808         config/stormy16/stormy16.c: All callers of builtin_function
6809         changed.
6810
6811 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
6812
6813         PR target/16556
6814         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
6815         Remove white space after the backslash.
6816
6817 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
6818
6819         PR rtl-optimization/16294
6820         * resource.c (return_insn_p): New predicate.
6821         (mark_target_live_regs): Use it.  Special-case return insns.
6822         (init_resource_info): Use it.  Don't scan the epilogue past
6823         a return.
6824
6825 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6826
6827         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
6828         destroy dominance information.
6829         * passes.c (rest_of_handle_loop2):  Free dominance information.
6830         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
6831         jump threading.
6832         (thread_jumps): Update dominance information and remove unreachable
6833         blocks.
6834         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
6835         information and remove the unreachable block.
6836
6837 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
6838
6839         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
6840
6841 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
6842
6843         * doc/sourcebuild.texi: Remove libf2c entry.
6844
6845 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
6846
6847         * config/i386/i386.md (movv16qi_internal): Fix typo.
6848
6849 2004-07-17  Steven Bosscher  <stevenb@suse.de>
6850
6851         * final.c (final_scan_insn): Fix broken commit from previous
6852         patch.
6853
6854 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
6855
6856         * c-typeck.c (parser_build_binary_op): Condition warnings for
6857         X<=Y<=Z on -Wparentheses instead of -Wextra.
6858         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
6859         supported for C only.
6860
6861 2004-07-17  Steven Bosscher  <stevenb@suse.de>
6862
6863         * cfgcleanup.c (try_simplify_condjump): Don't remove line
6864         notes to avoid unreachable code warnings.
6865         * toplev.c (backend_init): Don't emit line notes for
6866         unreachable code warnings.
6867
6868         * combine.c (distribute_notes): Don't distribute a
6869         REG_VTABLE_REF note.
6870         * final.c (final_scan_insn): Don't handle it.
6871         * rtl.c (reg_note_name): Remove it.
6872         * rtl.h (enum reg_node): Dito.
6873
6874         * emit-rtl.c (force_line_numbers, restore_line_number_status):
6875         Remove.
6876         * rtl.h (force_line_numbers, restore_line_number_status):
6877         Remove prototypes.
6878
6879         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
6880         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
6881         (using_eh_for_cleanups): Also moved here.
6882
6883         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
6884         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
6885         to expand_start_case and add_case_node.
6886         * stmt.c (struct nesting): Cleanup unused fields condition_code,
6887         last_unconditional_cleanup, nominal_type, printname, and
6888         line_number_status.
6889         (struct fixup_goto): Remove.
6890         (struct stmt_status): Remove x_goto_fixup_chain field.
6891         (goto_fixup_chain): Remove.
6892         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
6893         pushcase, pushcase_range): Remove.
6894         (expand_start_bindings_and_block): Don't set unused fields in
6895         the nesting stack.
6896         (expand_start_case, add_case_node): Cleanup unused formal arguments.
6897         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
6898         instead of emit_jump_if_reachable.
6899         (emit_case_nodes): Likewise.
6900         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
6901         static.
6902         (update_eh_label): Work around left-over exception handing regions.
6903         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
6904         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
6905         (pass_cleanup_cfg_post_optimizing): New pass.
6906         (init_tree_optimization_passes): Run the new pass after all
6907         optimizations.
6908         * tree.h (pushcase, pushcase_range): Remove prototypes.
6909         (expand_start_case, add_case_node): Update prototypes.
6910
6911 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
6912
6913         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
6914
6915 2004-07-16  Richard Henderson  <rth@redhat.com>
6916
6917         * builtins.c (std_expand_builtin_va_arg): Remove.
6918         (expand_builtin_va_arg): Remove.
6919         * expr.h: Don't declare them.
6920         * gimplify.c (mark_decls_volatile_r): Remove.
6921         (copy_if_shared_r): Don't call it.
6922         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
6923         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
6924         * gimple-low.c (lower_stmt): Likewise.
6925         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
6926         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
6927         * tree-ssa-operands.c (get_expr_operands): Likewise.
6928         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
6929         EXPAND_BUILTIN_VA_ARG.
6930         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
6931         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
6932         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
6933         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
6934
6935 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
6936
6937         * tree-ssa-pre.c (insert_aux): Break out if we hit
6938         a critical edge.
6939
6940 2004-07-16  Richard Henderson  <rth@redhat.com>
6941
6942         * basic-block.h (remove_fake_exit_edges): Declare.
6943         * cfganal.c (remove_fake_predecessors): Rename from
6944         remove_fake_successors; iterate over predecessors.
6945         (remove_fake_exit_edges): New.
6946         * cfgcleanup.c (try_optimize_cfg): Use it.
6947         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
6948         * predict.c (estimate_probability): Likewise.
6949         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
6950         * tree-cfg.c (make_edges): Likewise.
6951         * tree-ssa-pre.c (fini_pre): Likewise.
6952         * profile.c (instrument_edges): Don't remove_fake_edges.
6953         (branch_prob): Do it earlier here.
6954
6955 2004-07-16  Richard Henderson  <rth@redhat.com>
6956
6957         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
6958         switchification wrt CONSTRUCTOR.  Document the reason.
6959
6960 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
6961
6962         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
6963         that prevented descriptive __mf_check source location strings.
6964
6965 2004-07-16  Richard Henderson  <rth@redhat.com>
6966
6967         * tree-def (WITH_SIZE_EXPR): New.
6968         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
6969         * expr.c (expand_expr_real_1): Likewise.
6970         * gimplify.c (maybe_with_size_expr): New.
6971         (gimplify_arg, gimplify_modify_expr): Use it.
6972         (gimplify_modify_expr_to_memcpy): Take size parameter.
6973         (gimplify_modify_expr_to_memset): Likewise.
6974         (gimplify_expr): Handle WITH_SIZE_EXPR.
6975         * tree-alias-common.c (find_func_aliases): Likewise.
6976         * tree-eh.c (tree_could_trap_p): Likewise.
6977         (tree_could_throw_p): Likewise.
6978         * tree-gimple.c (is_gimple_lvalue): Likewise.
6979         (get_call_expr_in): Likewise.
6980         * tree-inline.c (estimate_num_insns_1): Likewise.
6981         (expand_calls_inline): Likewise.
6982         * tree-nested.c (convert_call_expr): Likewise.
6983         * tree-pretty-print.c (dump_generic_node): Likewise.
6984         * tree-sra.c (sra_walk_expr): Likewise.
6985         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
6986         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
6987         * tree-ssa-operands.c (get_expr_operands): Likewise.
6988         * tree-tailcall.c (find_tail_calls): Likewise.
6989
6990         * calls.c (expand_call): Reset old_stack_allocated after
6991         calling emit_stack_restore.
6992
6993 2004-07-16  Richard Henderson  <rth@redhat.com>
6994
6995         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
6996         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
6997         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
6998         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
6999         copy_res_decl_for_inlining.
7000
7001         * tree-inline.c (declare_return_variable): New modify_dest argument.
7002         Use it as the return value, when possible or manditory.  Handle
7003         TREE_ADDRESSABLE types.
7004         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
7005         replacement of CALL_EXPR.
7006
7007 2004-07-16  Richard Henderson  <rth@redhat.com>
7008
7009         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
7010         * gimple-low.c (expand_var_p): Don't check it.
7011         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
7012         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
7013         * tree-ssa-operands.c (add_stmt_operand): Likewise.
7014         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
7015         (find_referenced_vars): Don't call them.
7016         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
7017
7018 2004-07-16  Richard Henderson  <rth@redhat.com>
7019
7020         * function.c (pass_by_reference): True for all variable sized types.
7021
7022 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
7023
7024         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
7025         * tree-pretty-print.c: Include tree-chrec.h.
7026         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
7027         and POLYNOMIAL_CHREC nodes.
7028
7029 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
7030
7031         * builtins.c (expand_builtin_stpcpy): Do not create temporary
7032         reg with VOIDmode.
7033
7034 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
7035
7036         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
7037
7038 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
7039
7040         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
7041         to BASE_REGNUM.
7042         * config/s390/s390.c: Likewise.
7043         * config/s390/s390.h: Likewise.
7044
7045 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7046
7047         * config/mips/mips.md (addsi3, adddi3): Remove special handling
7048         of $sp adds.  Remove REGNO checks from mips16 patterns.
7049
7050 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7051
7052         * config/mips/mips.md: Delete outdated comment.
7053
7054 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7055
7056         * config/mips/mips.c (get_float_compare_codes): Delete.
7057         (mips_emit_compare): New function, mostly extracted from
7058         get_float_compare_codes and gen_conditional_branch.
7059         (gen_conditional_branch, gen_conditional_move): Use it.
7060
7061 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
7062
7063         * genautomata.c (add_vect): Speedup by using integers as
7064         bit-vectors for walking through the comb_vect and finding
7065         a match.
7066
7067 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7068
7069         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
7070         operand is an uns_arith_operand; use subtraction otherwise.
7071         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
7072         not just arith_operands.
7073
7074 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7075
7076         * config/mips/mips-protos.h (gen_int_relational): Delete.
7077         (mips_emit_scc): Declare.
7078         * config/mips/mips.c (internal_test): Delete.
7079         (sle_operand, sleu_operand): New functions.
7080         (map_test_to_internal_test, gen_int_relational): Delete.
7081         (mips_emit_binary, mips_relational_operand_ok_p)
7082         (mips_emit_int_relational, mips_zero_if_equal)
7083         (mips_emit_scc): New functions.
7084         (gen_conditional_branch): Rework to use mips_emit_int_relational.
7085         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
7086         sleu_operand.
7087         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
7088         (sltu, sleu): Use mips_emit_scc.
7089         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
7090         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
7091         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
7092
7093 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7094
7095         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
7096
7097 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7098
7099         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
7100         (*sne_[sd]i): Likewise sne_[sd]i_zero.
7101         (*sgt_[sd]i): ...and sgt_[sd]i.
7102         (*slt_[sd]i): ...and slt_[sd]i.
7103         (*sgtu_[sd]i): ...and sgtu_[sd]i.
7104         (*sltu_[sd]i): ...and sltu_[sd]i.
7105         (*sleu_[sd]i): ...and sleu_[sd]i_const.
7106         Name previously unnamed mips16 patterns.  Formatting fixes.
7107
7108 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7109
7110         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
7111         (branch_type): Delete.
7112         (gen_conditional_branch, gen_conditional_move)
7113         (mips_gen_conditional_trap): Update after name change.  Get the
7114         comparison mode from cmp_operands[0].
7115         * config/mips/mips.h (cmp_type, branch_type): Delete.
7116         (cmp_operands): Renamed from branch_cmp.
7117         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
7118         name change.  Don't set branch_type.
7119         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
7120         mode class of cmp_operands[0] rather than branch_type.  Update after
7121         name change.
7122
7123 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7124
7125         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
7126         of 0...255 to 0 when inside a SET.
7127
7128 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7129
7130         * config/mips/mips.md: Remove mips16 define_peepholes.
7131
7132 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
7133
7134         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
7135         (fini_pre): Remove fake edges.
7136
7137 2004-07-15  Richard Henderson  <rth@redhat.com>
7138
7139         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
7140         (get_indirect_ref_operands, get_call_expr_operands): ... these.
7141
7142 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
7143
7144         * vec.h (VEC_address): New function.
7145
7146 2004-07-14  Jason Merrill  <jason@redhat.com>
7147
7148         PR middle-end/15885
7149         * gimplify.c (gimplify_arg): New fn, split out from...
7150         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
7151
7152 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
7153
7154         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
7155         generate code which is generated by pushqi1 now
7156         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
7157
7158 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
7159
7160         * combine.c (simplify_set): match the mode of the constant 0 with
7161         the tested operand to match the compare behaviour and the
7162         simplify_relational_operation() expectation.
7163
7164 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
7165
7166         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
7167         ("bordered"): Same.
7168
7169 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
7170
7171         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
7172         unconditionally.
7173         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
7174
7175 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
7176
7177         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
7178         calls in mips16 code.
7179
7180 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
7181
7182         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
7183         the destination of the li as well as for the neg.
7184
7185 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
7186
7187         g++/15861
7188         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
7189         * cgraph.h: Update declaration.
7190         * c-decl.c (build_cdtor): Update call with default priority.
7191         * coverage.c (create_coverage): Ditto.
7192         * tree-mudflap.c (mf_init_fndecl): New tree.
7193         (mudflap_init): Set it.
7194         (mudflap_register_call): Arrange to call __mf_init before the first
7195         __mf_register call.
7196         (mudflap_finish_file): Mark the mudflap static initializer as extra
7197         high priority, to beat all C++ static constructors.
7198
7199 2004-07-15  Jeff Law  <law@redhat.com>
7200
7201         * loop.c (check_insn_for_givs): Restore check for code labels that was
7202         accidentally deleted by a recent checkin.
7203
7204 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
7205
7206         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
7207         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
7208
7209 2004-07-14  Richard Henderson  <rth@redhat.com>
7210
7211         * print-tree.c (print_node): Fix casts last change.
7212
7213 2004-07-15  Paul Brook  <paul@codesourcery.com>
7214
7215         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
7216         to TARGET_UNWIND_INFO.
7217         * except.c (output_function_exception_table): Ditto.
7218         * except.h: Ditto.
7219         * opts.c (decode_options): Ditto.
7220         * passes.c (rest_of_handle_final): Ditto.
7221         * final.c (final_start_function): Ditto.
7222         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
7223         target hook.
7224         * targhooks.h (default_unwind_emit): Declare.
7225         * targhooks.c (default_unwind_emit): New function.
7226         * target-def.h: Define and use TARGET_UNWIND_EMIT.
7227         * target.h (struct gcc_target): Add unwind_emit.
7228         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
7229         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
7230         Remove IA64_UNWIND_EMIT.
7231         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
7232
7233 2004-07-14  Richard Henderson  <rth@redhat.com>
7234
7235         * print-tree.c (print_node): Handle SSA_NAME.
7236
7237 2004-07-14  James E Wilson  <wilson@specifixinc.com>
7238
7239         PR target/16325
7240         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
7241         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
7242
7243 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
7244
7245         * expr.c (expand_assignment): Reenable bitfield += optimizations.
7246         Use alias set 0 for memory, do proper mode calculations and adjust
7247         address for memories.
7248
7249 2004-07-14  Per Bothner  <per@bothner.com>
7250
7251         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
7252         structure with extra column field.
7253         * tree.c (expand_location):  Also fill in column field.
7254         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
7255         gets confused by the two conditionally-compiled definitions.
7256
7257 2004-07-14  Eric Christopher  <echristo@redhat.com>
7258
7259         * calls.c (expand_call): Fix typo in comment.
7260
7261 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
7262
7263         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
7264         comparision of TFmode.
7265
7266 2004-07-14  Richard Henderson  <rth@redhat.com>
7267
7268         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
7269         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
7270         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
7271         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
7272         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7273         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
7274         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7275         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7276         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7277
7278 2004-07-14  Mike Stump  <mrs@apple.com>
7279
7280         * config/darwin.h (WINT_TYPE): Define to be int to match
7281         system header files.
7282
7283 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
7284
7285         * config/xtensa/xtensa.c (function_arg_advance): Check for args
7286         that must be passed in the stack.
7287         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
7288         arguments if the size is not a constant.
7289
7290 2004-07-14  Per Bothner  <per@bothner.com>
7291
7292         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
7293         instead of EXPR_LOCUS in a boolean context, which is always true
7294         if --enable-mapped-location.
7295         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
7296
7297 2004-07-14  Richard Henderson  <rth@redhat.com>
7298
7299         * dominance.c (struct dom_info): Add fake_exit_edge.
7300         (init_dom_info): Allocate it.
7301         (free_dom_info): Free it.
7302         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
7303         in two passes.
7304         (calc_idoms): Honor fake_exit_edge.
7305
7306 2004-07-13  Jason Merrill  <jason@redhat.com>
7307
7308         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
7309         (rhs_test_for): New fn.
7310         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
7311         * tree-gimple.h: Declare them.
7312         * gimplify.c (gimplify_modify_expr): Use the new fns.
7313
7314 2004-07-14  Richard Henderson  <rth@redhat.com>
7315
7316         * config/arm/arm-protos.h (arm_va_arg): Remove.
7317         * config/arm/arm.c (arm_va_arg): Remove.
7318         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
7319         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
7320
7321 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7322
7323         * pa.c (fix_range): New function to mark a range(s) of registers as
7324         fixed registers.
7325         (override_options): Call fix_range if the -mfixed-range option string
7326         is not empty.
7327         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
7328         * doc/invoke.texi (-mfixed-range): Document new option.
7329
7330 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
7331
7332         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
7333         for TARGET_64BIT.
7334         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
7335
7336 2004-07-14  Roger Sayle  <roger@eyesopen.com>
7337
7338         * expmed.c (expand_sdiv_pow2): New function to expand signed division
7339         by a positive power of two, split out from expand_divmod.  Provide
7340         an alternate implementation when shifts are expensive.  Lower the
7341         threshold for using a branchless implementation to BRANCH_COST >= 2.
7342         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
7343
7344 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7345
7346         * tree-dfa.c (make_rename_temp): *Really* work just
7347         like create_tmp_var if called while outside SSA form.
7348
7349 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
7350
7351         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
7352         for division by zero.
7353         ("umodsi3"): Likewise.
7354
7355 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
7356
7357         * config/mips/mips.c (mips_output_move): When generating mips16 code,
7358         force loads of negative constants to be split.
7359         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
7360         Generalize SImode li/neg splitter to cope with other modes.
7361
7362 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7363
7364         * expmed.c: Remove more references to QUEUED in the comments.
7365         * expr.c: Likewise.
7366
7367 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
7368
7369         Revert:
7370         2004-07-13  Richard Henderson  <rth@redhat.com>
7371         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
7372         correctly.
7373
7374 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7375
7376         * tree-dfa.c (make_rename_temp): Work just like
7377         create_tmp_var if called while outside SSA form.
7378
7379 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7380
7381         * expr.c (enqueue_insn, finish_expr_for_function,
7382         protect_from_queue, queued_subexp_p, mark_queue,
7383         emit_insns_enqueued_after_mark, emit_queue,
7384         expand_increment): Remove.
7385         (store_constructor): Expand increment as an assignment.
7386         (expand_expr_real_1 <case PREINCREMENT_EXPR,
7387         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
7388         case POSTDECREMENT_EXPR>): Abort.
7389         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
7390         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
7391         protect_from_queue, emit_queue, queued_subexp_p): Remove.
7392         * function.h (pending_chain, x_pending_chain): Remove.
7393         * rtl.def (QUEUED): Remove.
7394
7395         * emit-rtl.c (copy_insn_1, copy_most_rtx,
7396         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
7397         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
7398         encode_units_mask): Likewise.
7399         * local-alloc.c (equiv_init_varies_p): Likewise.
7400         * rtl.c (copy_rtx): Likewise.
7401         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
7402         * simplify-rtx.c (simplify_gen_subreg): Likewise.
7403         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
7404
7405         * builtins.c (expand_builtin, expand_builtin_apply,
7406         expand_builtin_mathfn, expand_builtin_mathfn_2,
7407         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
7408         Remove calls to emit_queue and protect_from_queue.
7409         * calls.c (expand_call, precompute_arguments,
7410         precompute_register_parameters, rtx_for_function_call,
7411         store_one_arg): Likewise.
7412         * dojump.c (do_compare_and_jump, do_jump): Likewise.
7413         * explow.c (memory_address): Likewise.
7414         * expmed.c (clear_by_pieces_1, clear_storage,
7415         clear_storage_via_libcall, emit_group_load,
7416         emit_group_store, emit_store_flag,
7417         expand_expr_real_1, store_by_pieces,
7418         store_constructor, store_expr, try_casesi,
7419         try_tablejump): Likewise.
7420         * function.c (expand_pending_sizes): Likewise.
7421         * optabs.c (emit_cmp_and_jump_insns,
7422         emit_conditional_add, emit_conditional_move,
7423         expand_fix, expand_float, prepare_cmp_insn): Likewise.
7424         * stmt.c (emit_case_bit_tests,
7425         expand_asm_expr, expand_computed_goto,
7426         expand_decl_init, expand_end_case_type,
7427         expand_end_stmt_expr, expand_expr_stmt_value,
7428         expand_return, expand_start_case,
7429         optimize_tail_recursion): Likewise.
7430         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7431         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
7432
7433 2004-07-14  Ben Elliston  <bje@au.ibm.com>
7434
7435         * vec.h: Comment fix.
7436
7437 2004-07-13  Richard Henderson  <rth@redhat.com>
7438
7439         * target.h (struct gcc_target): Add calls.pass_by_reference.
7440         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
7441         * function.c (pass_by_reference): Use the hook.
7442         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
7443         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
7444         (hook_pass_by_reference_must_pass_in_stack): New.
7445         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
7446         (alpha_pass_by_reference): New.
7447         (TARGET_PASS_BY_REFERENCE): New.
7448         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7449         * config/arc/arc.c (arc_pass_by_reference): New.
7450         (TARGET_PASS_BY_REFERENCE): New.
7451         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7452         (FUNCTION_ARG_CALLEE_COPIES): True.
7453         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
7454         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
7455         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
7456         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7457         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7458         * config/cris/cris.c (cris_pass_by_reference): New.
7459         (TARGET_PASS_BY_REFERENCE): New.
7460         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
7461         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
7462         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7463         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
7464         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7465         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
7466         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
7467         (frv_function_arg_pass_by_reference): Remove.
7468         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7469         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
7470         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
7471         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
7472         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7473         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
7474         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
7475         (ia64_pass_by_reference): Rename from
7476         ia64_function_arg_pass_by_reference.
7477         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7478         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7479         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
7480         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
7481         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
7482         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7483         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7484         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
7485         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
7486         (m32r_pass_by_reference): Adjust prototype.  Make static.
7487         Handle mode sizes correctly.
7488         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7489         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
7490         (m68hc11_function_arg_pass_by_reference): Remove.
7491         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7492         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7493         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
7494         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7495         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
7496         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
7497         (mips_va_arg): Use pass_by_reference.
7498         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
7499         Handle mode sizes correctly.
7500         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7501         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7502         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
7503         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
7504         (mmix_pass_by_reference): Rename from
7505         mmix_function_arg_pass_by_reference.
7506         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7507         (FUNCTION_ARG_CALLEE_COPIES): True.
7508         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
7509         (mn10300_pass_by_reference): New.
7510         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7511         (FUNCTION_ARG_CALLEE_COPIES): True.
7512         * config/pa/pa.c (pa_pass_by_reference): New.
7513         (TARGET_PASS_BY_REFERENCE): New.
7514         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7515         (FUNCTION_ARG_CALLEE_COPIES): True.
7516         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
7517         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
7518         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
7519         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7520         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
7521         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
7522         (s390_pass_by_reference): Rename from
7523         s390_function_arg_pass_by_reference.
7524         (s390_function_arg_advance): Don't query pass-by-ref.
7525         (s390_function_arg): Likewise.
7526         (s390_gimplify_va_arg): Use pass_by_reference.
7527         (s390_call_saved_register_used): Likewise.
7528         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7529         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
7530         (shcompact_byref, sh_pass_by_reference): New.
7531         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7532         (SHCOMPACT_BYREF): Remove.
7533         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
7534         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
7535         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
7536         (sparc_gimplify_va_arg): Use pass_by_reference.
7537         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7538         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7539         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
7540         (v850_pass_by_reference): New.
7541         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7542         (FUNCTION_ARG_CALLEE_COPIES): True.
7543         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
7544         FUNCTION_ARG_PASS_BY_REFERENCE docs.
7545
7546 2004-07-14  Richard Henderson  <rth@redhat.com>
7547             Richard Sandiford  <rsandifo@redhat.com>
7548
7549         * config/mips/mips-protos.h (mips_va_arg): Delete.
7550         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
7551         * config/mips/mips.c: Include tree-gimple.h.
7552         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
7553         (mips_arg_info): Remove special handling of must_pass_in_stck args.
7554         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
7555         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
7556
7557 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
7558
7559         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
7560         arguments for COND_EXPR in big-endian adjustment code.
7561
7562 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7563
7564         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
7565         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
7566         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
7567         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
7568
7569 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
7570
7571         PR tree-optimization/16443
7572         * tree-ssa-alias.c: Add more description for
7573         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
7574         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
7575         clobbering of call-clobbered and addressable variables.  If
7576         there are any before aliases have been computed, add them.
7577
7578 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
7579
7580         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
7581         verification.
7582
7583 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
7584
7585         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
7586         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
7587         to the same type.
7588
7589 2004-07-13  Per Bothner  <per@bothner.com>
7590
7591         * collect2.c (main):  Handle --no-demangle and --demangle flags.
7592
7593 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
7594
7595         * Makefile.in (OBJS-common): Add tree-data-ref.o.
7596         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
7597         (tree-data-ref.o): New rule.
7598         * lambda.h: New file.
7599         * tree-data-ref.c: New file.
7600         * tree-data-ref.h: New file.
7601         * tree.c (int_cst_value, tree_fold_gcd): New functions.
7602         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
7603
7604 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7605
7606         PR target/13926
7607         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
7608         * config/sparc/sparc.c (output_ubranch): New function.
7609         * config/sparc/sparc.md (jump pattern): Use it.
7610
7611 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7612
7613         PR target/16494
7614         * config/sparc/sparc.c (output_cbranch): Properly guard
7615         the code handling far branches with TARGET_V9.
7616         * config/sparc/sparc.md (length attribute): Document the
7617         side-effect of having a length greater or equal to 3.
7618
7619 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7620             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
7621
7622         PR target/15186
7623         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
7624         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
7625
7626 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7627             Martin Sebor  <sebor@roguewave.com>
7628
7629         PR target/12602
7630         * doc/invoke.texi (SPARC options): Document -threads
7631         and -pthreads on Solaris.
7632
7633 2004-07-13  Richard Henderson  <rth@redhat.com>
7634
7635         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
7636         by reference.
7637         (ind_gimplify_va_arg_expr): Remove.
7638         * tree.h (ind_gimplify_va_arg_expr): Remove.
7639         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
7640         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
7641         argsp to be null.
7642
7643         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
7644         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
7645         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
7646         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
7647         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
7648
7649 2004-07-13  Richard Henderson  <rth@redhat.com>
7650
7651         * function.c (pass_by_reference): New.
7652         (assign_parm_find_data_types): Use it.
7653         * calls.c (initialize_argument_information): Likewise.
7654         (emit_library_call_value_1): Likewise.
7655         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7656         * function.h (pass_by_reference): Declare.
7657
7658 2004-07-13  Richard Henderson  <rth@redhat.com>
7659
7660         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
7661         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
7662         * expr.h (MUST_PASS_IN_STACK): Remove.
7663         * system.h (MUST_PASS_IN_STACK): Poison.
7664         * tree.h (must_pass_in_stack_var_size): Declare.
7665         (must_pass_in_stack_var_size_or_pad): Declare.
7666         * calls.c (must_pass_in_stack_var_size): New.
7667         (must_pass_in_stack_var_size_or_pad): Rename from
7668         default_must_pass_in_stack.
7669         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
7670         (TARGET_MUST_PASS_IN_STACK): New.
7671         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
7672         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
7673         (TARGET_MUST_PASS_IN_STACK): New.
7674         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
7675         * config/frv/frv.c (frv_must_pass_in_stack): New.
7676         (TARGET_MUST_PASS_IN_STACK): New.
7677         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
7678         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
7679         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
7680         (ix86_must_pass_in_stack): Make static.
7681         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
7682         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
7683         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
7684         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
7685         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
7686         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
7687         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
7688         (mcore_must_pass_on_stack): Remove.
7689         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
7690         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
7691         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
7692         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
7693         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
7694         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
7695         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
7696         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
7697         (TARGET_MUST_PASS_IN_STACK): New.
7698         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
7699         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
7700         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
7701         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
7702         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
7703         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
7704         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
7705         MUST_PASS_IN_STACK.
7706
7707         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
7708         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
7709         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
7710         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
7711         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
7712         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
7713         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
7714         config/xtensa/xtensa.c: Use target hook.
7715
7716 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
7717
7718         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
7719         * configure: Rebuilt.
7720
7721 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
7722
7723         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
7724         * config/mips/mips.h (mips_reg_names): Don't declare.
7725         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
7726         (TARGET_NAME_REGS): Delete.
7727         (TARGET_SWITCHES): Remove -mrnames.
7728         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
7729         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
7730         in REGISTER_NAMES.
7731         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
7732         (override_options): Remove handling of TARGET_NAME_REGS.
7733
7734 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
7735
7736         * config/mips/mips.h (TARGET_*): Boolify.
7737
7738 2004-07-12  Nick Clifton  <nickc@redhat.com>
7739
7740         * config.gcc: Add sh-*-symbianelf target.
7741         * config/sh/sh.c: Add new target macros:
7742         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
7743         TARGET_CXX_IMPORT_EXPORT_CLASS.
7744         (sh_file_start): Create a definition of the .directive section.
7745         (sh_attribute): Add dllimport and dllexport attributes.
7746         * config/sh/symbian-pre.h: New file.
7747         * config/sh/symbian-post.h: New file.
7748         * config/sh/symbian.c: New file. Contains Symbian specific
7749         functions.
7750         * config/sh/sh-protos.h: Add prototypes for new functions
7751         provided by symbian.c.
7752         * config/sh/t-symbian: New file.
7753         * doc/extend.texi: Document support for dllimport and dllexport
7754         attributes by the sh-symbianelf target.
7755
7756 2004-07-12  James E Wilson  <wilson@specifixinc.com>
7757
7758         * Makefile.in (AR): Use @AR@ not ar.
7759         (NM): New.
7760         (AR_FOR_TARGET): Use $(AR) not ar for native.
7761         (NM_FOR_TARGET): Use $(NM) not nm for native.
7762         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
7763         * configure: Regenerate.
7764
7765 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
7766
7767         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
7768         special case.
7769         (ashldi3_sp64): Likewise.
7770
7771 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7772
7773         PR target/16477
7774         * pa.c (function_arg): Update comment.
7775         * pa.h (BLOCK_REG_PADDING): Define.
7776
7777 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7778
7779         PR tree-optimization/16461
7780         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
7781         arguments of phi nodes.
7782
7783 2004-07-12  Devang Patel  <dpatel@apple.com>
7784
7785         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
7786
7787 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
7788
7789         * function.c (expand_function_start): Ensure r_save is in Pmode.
7790         * calls.c (prepare_call_address): Ensure static_chain_value is
7791         in Pmode.
7792         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
7793         r_save_area are in Pmode.
7794         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
7795         fnaddr, and static_chain are in Pmode.
7796
7797 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
7798
7799         PR target/16445
7800         * config/ia64/ia64.c (bundling): Don't count ignored insns.
7801
7802 2004-07-12  Richard Henderson  <rth@redhat.com>
7803
7804         * target.h (struct gcc_target): Move gimplify_va_arg_expr
7805         next to build_builtin_va_list.
7806         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
7807         * builtins.c (gimplify_va_arg_expr): Likewise.
7808         * gimplify.c (copy_if_shared_r): Likewise.
7809
7810 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
7811
7812         * passes.c (rest_of_decl_compilation): Don't defer call of
7813         assemble_variable if its DECL_RTL is already set.
7814
7815 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
7816
7817         * cfgloop.h (struct loop): Add nb_iterations field.
7818         (current_loops): Declare.
7819         * tree-chrec.c (chrec_not_analyzed_yet,
7820         chrec_dont_know, chrec_known, count_ev_in_wider_type,
7821         chrec_contains_symbols_defined_in_loop): Remove the temporary
7822         hooks.
7823         * tree-flow-inline.h (loop_containing_stmt): New function.
7824         * tree-scalar-evolution.c: Add implementation.
7825         * tree-scalar-evolution.h: Add declarations.
7826
7827 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
7828
7829         PR rtl-optimization/15921
7830         * Makefile.in (global.o): Add recog.h.
7831
7832         * global.c (recog.h): Add the include-clause.
7833         (bb_info): New member earlyclobber.
7834         (allocate_bb_info, free_bb_info): Initialize/finish the new
7835         member.
7836         (earlyclobber_regclass, earlyclobber_regclass_length): The new
7837         global variables.
7838         (check_earlyclobber, regclass_intersect,
7839         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
7840         New functions.
7841         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
7842         (make_accurate_live_analysis): Modify pavin.
7843
7844 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
7845
7846         * tree-cfg.c (find_taken_edge): Statically compute the truth
7847         value of a predicate comparing an SSA_NAME to itself.
7848
7849 2004-07-12  Roger Sayle  <roger@eyesopen.com>
7850
7851         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
7852         rs6000 doesn't have shift-and-add or shift-and-sub instructions
7853         by returning the cost of a multiplication plus an addition.
7854
7855 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
7856
7857         PR tree-optimization/14107
7858         * gimplify.c (gimplify_return_expr): Accept a
7859         RETURN_EXPR with an error argument.
7860         * tree-optimize.c (init_tree_optimization_passes):
7861         Run pass_warn_function_return at -O0.
7862
7863 2004-07-12  Roger Sayle  <roger@eyesopen.com>
7864
7865         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
7866         index entry.
7867
7868 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
7869
7870         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
7871         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7872         * config/mips/3000.md: Add copyright notice.  Remove automota and
7873         function units; use generic ones instead.  Only define reservations
7874         for things that are different from generic.md.  Extend each clause
7875         to include r3900.
7876         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
7877         * config/mips/mips.md: Include them. Remove define_function_units.
7878         (alu, imuldiv): New automata and units.
7879
7880 2004-07-12  Ben Elliston  <bje@au.ibm.com>
7881
7882         * doc/invoke.texi (Optimize Options): Document -frename-registers
7883         not being enabled by default at -O3.
7884
7885 2004-07-11  Roger Sayle  <roger@eyesopen.com>
7886
7887         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
7888         floating point additions, to keep real immediate constant positive.
7889         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
7890         into X + C, and leave positive real constants as X - C.
7891
7892 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7893
7894         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
7895
7896 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7897
7898         PR tree-optimization/15654
7899         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
7900
7901 2004-07-11  Roger Sayle  <roger@eyesopen.com>
7902
7903         * builtins.c (fold_builtin_fputs): Don't bother converting the
7904         return type to integer_type_node, as we've already checked that
7905         the result will be ignored.
7906
7907         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
7908         that signed addition, subtraction, multiplication, division,
7909         remainder, negation and absolute value may potentially trap.
7910
7911         * fold-const.c (fold_ignored_result): New function to strip
7912         non-side-effecting tree nodes from an expression whose result
7913         is ignored.
7914         (fold_convert): Call fold_ignored_result when casting a value
7915         to VOID_TYPE.
7916         (omit_one_operand):  Call fold_ignored_result on the "omitted"
7917         operand when building a COMPOUND_EXPR.
7918         (pedantic_omit_one_operand): Likewise.
7919         * tree.h (fold_ignored_result): Prototype here.
7920         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
7921         when we're going to ignore the result.
7922
7923 2004-07-11  Richard Henderson  <rth@redhat.com>
7924
7925         PR tree-opt/16383
7926         * tree-ssa-ccp.c (fold_stmt_r): Split out...
7927         * tree.c (fields_compatible_p, find_compatible_field): ... new.
7928         * tree.h (fields_compatible_p, find_compatible_field): Declare.
7929         * tree-sra.c (sra_hash_tree): Hash fields by offset.
7930         (sra_elt_eq): Use fields_compatible_p.
7931         (generate_one_element_ref): Use find_compatible_field.
7932
7933 2004-07-11  Richard Henderson  <rth@redhat.com>
7934
7935         PR tree-opt/16422
7936         * tree-sra.c (generate_one_element_init): New.
7937         (generate_element_init): Use it.
7938         (scalarize_init): Push/pop gimplify context around it.
7939         (find_new_referenced_vars_1, find_new_referenced_vars): New.
7940         * gimplify.c (gimplify_expr): Allow SSA_NAME.
7941
7942 2004-07-11  Roger Sayle  <roger@eyesopen.com>
7943
7944         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
7945         combine.c's combine_insn_cost.
7946         * rtl.h (insn_rtx_cost): Prototype here.
7947         * combine.c (combine_insn_cost): Delete function.
7948         (combine_validate_cost): Update callers of combine_insn_cost to
7949         call insn_rtx_cost instead.
7950         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
7951         requesting the rtx_cost of call and/or jump instructions.
7952
7953         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
7954         rtx_cost directly.  Don't request/use the cost of call or jump
7955         instructions.  Return -1 if the cost of any instruction can't be
7956         determined (or the BB contains a function call).
7957         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
7958         -1 (i.e. can't determine the cost of any instruction or the basic
7959         block contains a subroutine call).
7960         (find_if_case_2): Likewise.
7961
7962 2004-07-11  Roger Sayle  <roger@eyesopen.com>
7963
7964         * rs6000.c (struct processor_costs): Change semantics of fields to
7965         include the COST_N_INSNS scaling, and update all initializers.
7966         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
7967         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
7968         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
7969         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
7970
7971 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7972
7973         * LANGUAGES: Remove obsolete information.
7974
7975 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
7976
7977         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
7978         SIGBUS signal frames, the PSW address points *to* the faulting
7979         instruction, not after it.
7980
7981 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
7982
7983         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
7984         added to TLS symbol addresses.
7985
7986 2004-07-11  Richard Henderson  <rth@redhat.com>
7987
7988         * expmed.c (init_expmed): Use stack-local structures for
7989         temporary rtl.  Don't recognize shifts.
7990
7991 2004-07-11  Richard Henderson  <rth@redhat.com>
7992
7993         * expr.c (store_expr): Don't fiddle subreg promotion for types
7994         with precision smaller than the mode.
7995
7996 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7997
7998         * tree.h (all_types_permanent): Remove.
7999
8000 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
8001
8002         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
8003         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
8004         * langhooks.c (lhd_clear_binding_stack): Remove.
8005         * langhooks-def.h (lhd_clear_binding_stack,
8006         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
8007         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
8008         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
8009         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
8010         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
8011         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
8012         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
8013         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
8014         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
8015         * tree.h (poplevel): Don't declare.
8016         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
8017         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
8018         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
8019         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
8020         Remove.
8021
8022 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
8023
8024         PR tree-optimization/16437
8025         * c-common.c (shorten_compare): Don't mark result of conversion to
8026         narrower signed type as overflowing.
8027         * fold-const.c (decode_field_reference): Determine whether
8028         signedness comes from outer type using precision rather than size.
8029
8030 2004-07-11  Phil Edwards  <phil@codesourcery.com>
8031
8032         * configure.ac:  Alphabetize --enable-checking list, add
8033         missing valgrind entry.
8034         * configure:  Regenerate.
8035
8036 2004-07-11  Phil Edwards  <phil@codesourcery.com>
8037
8038         * doc/install.texi (Testing):  Fix syntax in "make check" example.
8039
8040 2004-07-10  James E Wilson  <wilson@specifixinc.com>
8041
8042         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
8043
8044 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8045
8046         PR rtl-optimization/16001
8047         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
8048         niter_expr.
8049
8050 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
8051
8052         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
8053
8054 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
8055             James Morrison  <phython@gcc.gnu.org>
8056
8057         * doc/contrib.texi (Contributors): Add gfortran contributors and
8058         fix a couple of typos.
8059
8060 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8061
8062         PR rtl-optimization/15387
8063         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
8064         to incoming args space correctly.
8065
8066 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8067
8068         * pa.c (output_indirect_call): Only use %r2 as the link register in
8069         indirect calls with the long PA 2.0 pc-relative branch.
8070
8071 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
8072
8073         * config/i386/i386.c (override_options): Pick a 64-bit CPU
8074         for the default tuning if TARGET_64BIT.
8075
8076 2004-07-10  Richard Henderson  <rth@redhat.com>
8077
8078         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
8079         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
8080
8081 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
8082
8083         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
8084         * expmed.c (store_bit_field, extract_bit_field): Remove last
8085         argument.
8086         * builtins.c (expand_builtin_signbit): Adjust callers.
8087         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
8088         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
8089         * ifcvt.c (noce_emit_move_insn): Likewise.
8090         * stmt.c (expand_return): Likewise.
8091         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
8092         store_field, expand_expr_real_1): Likewise.
8093
8094 2004-07-10  Richard Henderson  <rth@redhat.com>
8095
8096         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
8097
8098 2004-07-09  Mike Stump  <mrs@apple.com>
8099
8100         * config/darwin.c (no_dead_strip): Add.
8101         (HAVE_DEAD_STRIP): Add.
8102         (darwin_emit_unwind_label): Ensure that we don't dead code strip
8103         the .eh label.
8104
8105 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8106
8107         * tree-ssa-loop-im.c: New file.
8108         * Makefile.in (tree-ssa-loop-im.o): Add.
8109         * cfgloop.c (superloop_at_depth): New function.
8110         * cfgloop.h (superloop_at_depth): Declare.
8111         * common.opt (ftree-lim): New flag.
8112         * expr.c (array_ref_up_bound): New function.
8113         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
8114         * timevar.def (TV_LIM): New timevar.
8115         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
8116         computing immediate uses of a phi node.
8117         * tree-flow.h (struct tree_ann_common_d): Add aux field.
8118         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
8119         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
8120         * tree-pass.h (pass_lim): Declare.
8121         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
8122         functions.
8123         (pass_lim): New pass structure.
8124         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
8125         * tree.c (in_array_bounds_p): New function.
8126         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
8127         (in_array_bounds_p, array_ref_up_bound): Declare.
8128         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
8129         * doc/passes.texi (tree-ssa-loop-im.c): Document.
8130
8131 2004-07-09  Richard Henderson  <rth@redhat.com>
8132
8133         * builtins.c (expand_builtin_stpcpy): Don't modify len.
8134
8135         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
8136         with prejudice.
8137
8138 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
8139
8140         * flags.h: Delete redundant prototypes that are being generated
8141         in options.h from common.opt.
8142         * common.opt: Add in the expository comments formerly in flags.h.
8143
8144 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8145
8146         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
8147         available for use only when TARGET_MMX/_SSE is set, and check for
8148         variable argument function if any register count is non-zero.
8149         (function_arg): Correctly suppress repeated warnings for passing SSE
8150         vectors are arguments without SSE enabled.
8151         (ix86_function_arg_boundary): Without SSE enabled, the use of what
8152         would be SSE register modes does no longer influence the alignment.
8153
8154 2004-07-09  Richard Henderson  <rth@redhat.com>
8155
8156         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
8157         Always align upward to arg boundary.  Use size_in_bytes/round_up.
8158         Maintain type-correctness of constants.
8159         * stor-layout.c (round_up, round_down): Special-case powers of 2.
8160
8161 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
8162
8163         * config/sparc/sparc.c (*_costs): Scale instruction costs
8164         by COSTS_N_INSNS.
8165         (sparc_rtx_costs): Adjust as appropriate.
8166
8167 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8168
8169         * config/i386/mm3dnow.h: New.
8170         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
8171
8172 2004-07-09  Richard Henderson  <rth@redhat.com>
8173
8174         * simplify-rtx.c (simplify_const_relational_operation): Only
8175         look at bounds of scalar integers.
8176
8177 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8178
8179         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
8180
8181 2004-07-09  Andrew Pinski  <apinski@apple.com>
8182
8183         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
8184         always referenced.
8185         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
8186         UOBJC_METACLASS_decl.
8187
8188 2004-07-09  James E Wilson  <wilson@specifixinc.com>
8189
8190         PR target/16364
8191         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
8192         do return a parallel if hfa_mode == XFmode and mode == TImode.
8193
8194 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8195
8196         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
8197         permissible for unary plus.
8198
8199 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8200
8201         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
8202         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
8203         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
8204         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
8205         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
8206         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
8207         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
8208         (BUILTIN_xxxIMAX): New.
8209         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
8210         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
8211         BUILT_IN_PARITYIMAX.
8212
8213 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
8214
8215         * config/sparc/sparc.h (processor_costs): Define.
8216         (sparc_costs): Declare.
8217         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
8218         hypersparc_costs, sparclet_costs, ultrasparc_costs,
8219         ultrasparc3_costs): New.
8220         (sparc_override_options): Set sparc_costs as appropriate.
8221         (sparc_rtx_costs): Use sparc_costs instead of messy
8222         conditionals.
8223
8224 2004-07-09  Steven Bosscher  <stevenb@suse.de>
8225
8226         * doc/md.texi (Processor pipeline description): Mention that
8227         the old pipeline description is deprecated.
8228
8229         * config/rs6000/7450.md (automaton ppc7450): Split up, move
8230         mciu_7450 function unit to...
8231         (automaton ppc7450mciu): ...new automaton.
8232
8233         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
8234         (schedule_block): Don't consider inserting bubbles.
8235         (sched_init): Don't initialize DFA bubbles.
8236         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
8237         TARGET_SCHED_DFA_BUBBLE): Remove.
8238         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
8239         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
8240         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
8241
8242         * stmt.c (conditional_context): Remove prototype.
8243         * tree.h (conditional_context): Remove.
8244         * tree-cfg.c (pre_insert_on_edge): Remove.
8245
8246         * c-common.h (c_expand_asm_operands): Remove prototype.
8247         * c-typeck.c (c_expand_asm_operands): Remove.
8248
8249 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8250
8251         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
8252         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
8253         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
8254         and V8QI are class SSE. All sufficiently small remaining vector modes
8255         must be passed in one or two integer registers.
8256         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
8257         returned in memory.
8258         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
8259         __builtin_ia32_pmuludq128 have non-uniform argument and return types
8260         and must thus be handled explicitly.
8261         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
8262         MMX and XMM regs.
8263         (movv8qi_internal, movv4hi_internal, movv2si_internal,
8264         movv2sf_internal): Permit moving between MMX and XMM registers (since
8265         MMX areguments and return values are passed in XMM registers).
8266         (sse2_umulsidi3): Correct type and mode.
8267
8268 2004-07-09  Richard Henderson  <rth@redhat.com>
8269
8270         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
8271
8272 2004-07-09  Eric Christopher  <echristo@redhat.com>
8273
8274         * config/rs6000/40x.md: Split into two automatons.
8275
8276 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
8277             Andrew Pinski  <apinski@apple.com>
8278
8279         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
8280         on when we have more than one input file.
8281         (c_common_parse_file): Restore loop over all input files.
8282         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
8283
8284         * c-decl.c (set_type_context): New function.
8285         (pop_scope): Use it to set context of types.  When we
8286         encounter a TYPE_DECL, set the context of the attached type too.
8287         (pop_file_scope): Don't call cpp_undef_all here.
8288         (diagnose_mismatched_decls): Do not complain about a second
8289         definition of an 'extern inline' function if it's not in the
8290         same translation unit.  Do not complain about inline
8291         declaration after use if the use was in a different
8292         translation unit.
8293         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
8294         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
8295         the external scope.
8296         (pushdecl_top_level): Likewise.
8297         (grokdeclarator): Clarify what is going on with setting
8298         DECL_EXTERNAL on function types, a little.
8299         (c_write_global_declarations): Don't do anything if
8300         -fsyntax-only or errors have been encountered.
8301
8302 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
8303
8304         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
8305
8306 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8307
8308         PR target/16459
8309         * pa.c (output_indirect_call): Use %r2 as the link register when
8310         calling $$dyncall with a pc-relative branch.
8311
8312 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
8313
8314         * doc/install.texi (Binaries): Mention OpenPKG.
8315
8316 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
8317
8318         Fix PR tree-optimization/15555
8319         * tree-dfa.c (dump_variable): If the variable is a pointer
8320         SSA_NAME, also dump its points-to information.
8321         * tree-flow.h (struct ptr_info_def): Add field
8322         is_dereferenced.
8323         (dump_points_to_info_for): Declare.
8324         (debug_points_to_info_for): Declare.
8325         * tree-optimize.c (init_tree_optimization_passes): Add a
8326         second alias analysis pass after DOM2.
8327         Move pass_del_pta to a later spot.
8328         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
8329         create a name tags when we find a dereferenced pointer.  Just
8330         mark the pointer dereferenced.
8331         (collect_points_to_info_for): Move code to clear points-to
8332         information to create_name_tags.
8333         (create_name_tags): New function.
8334         (compute_flow_sensitive_aliasing): Call it.
8335         (setup_pointers_and_addressables): Mark type tags for renaming
8336         here instead of ...
8337         (create_memory_tag): ... here.
8338         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
8339         (dump_points_to_info_for): Declare extern.
8340         (debug_points_to_info_for): New function.
8341
8342 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
8343
8344         * config/arc/arc.md: Switch to DFA-based scheduler description.
8345         * config/arc/arc.c: Switch to DFA-based scheduler description.
8346
8347 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8348
8349         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
8350         pointer.
8351
8352 2004-07-09  Richard Henderson  <rth@redhat.com>
8353
8354         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
8355         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8356         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
8357         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
8358
8359         * config/v850/v850-protos.h (v850_va_arg): Remove.
8360         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8361         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
8362         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
8363         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
8364         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
8365
8366 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8367
8368         PR target/12133
8369         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
8370         and DImode to use +/-4k offset.
8371
8372 2004-07-09  Richard Henderson  <rth@redhat.com>
8373
8374         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
8375         Remove.
8376         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8377         (xstormy16_gimplify_va_arg_expr): Rewrite from
8378         xstormy16_expand_builtin_va_arg.
8379         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
8380
8381         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
8382         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
8383
8384         * config/sh/sh-protos.h (sh_va_arg): Remove.
8385         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8386         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
8387         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
8388
8389         * config/pa/pa-protos.h (hppa_va_arg): Remove.
8390         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8391         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
8392         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
8393
8394         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
8395         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8396         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
8397         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
8398
8399 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8400
8401         * config/sparc/sparc.md (return): Rewrite length formula.
8402         * config/sparc/sparc.c (output_return): Pass 1 as 5th
8403         argument to final_scan_insn when in a delay slot.
8404         (output_sibcall): Likewise.
8405
8406 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8407
8408         * arm.c (arm_cpp_interwork): New variable.
8409         (arm_override_options): Set it if TARGET_INTERWORK was on the command
8410         line.
8411         * arm.h (arm_cpp_interwork): Declare it.
8412         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
8413         __THUMB_INTERWORK__ in the preprocessor.
8414
8415 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
8416
8417         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
8418
8419 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8420
8421         PR target/16416
8422         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
8423         Override default settings to account for -m32 and -m64.
8424
8425 2004-07-08  Randolph Chung  <tausq@debian.org>
8426
8427         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
8428
8429 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
8430
8431         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
8432         before comparing it as such.
8433
8434 2004-07-08  Richard Henderson  <rth@redhat.com>
8435
8436         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
8437         temporary.  Use bit arithmetic to align.
8438
8439 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
8440
8441         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
8442         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
8443         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
8444         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
8445         add_labels_and_missing_jumps, find_jump_block,
8446         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
8447         Likewise.
8448         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
8449         link_btr_uses, move_btr_def): Likewise.
8450         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
8451         expand_builtin_expect_jump): Likewise.
8452         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
8453         * calls.c (expand_call, emit_library_call_value_1): Likewise.
8454         * cfganal.c (forwarder_block_p): Likewise.
8455         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
8456         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
8457         find_bb_boundaries): Likewise.
8458         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
8459         merge_blocks_move_predecessor_nojumps,
8460         merge_blocks_move_successor_nojumps, insns_match_p,
8461         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
8462         try_optimize_cfg): Likewise.
8463         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
8464         * cfglayout.c (skip_insns_after_block, label_for_bb,
8465         record_effective_endpoints, insn_locators_initialize,
8466         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
8467         * cfgmainloop.c (create_loop_notes): Likewise.
8468         * cfgrtl.c (delete_insn, delete_insn_chain,
8469         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
8470         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
8471         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
8472         redirect_branch_edge, force_nonfallthru_and_redirect,
8473         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
8474         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
8475         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
8476         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
8477         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
8478         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
8479         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
8480         * combine.c (combine_instructions, can_combine_p, try_combine,
8481         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
8482         distribute_notes, distribute_links, insn_cuid): Likewise.
8483         * cse.c (fold_rtx, cse_insn, cse_around_loop,
8484         invalidate_skipped_block, cse_set_around_loop,
8485         cse_end_of_basic_block, cse_main, cse_basic_block,
8486         cse_condition_code_reg): Likewise.
8487         * cselib.c (cselib_process_insn): Likewise.
8488         * ddg.c (create_ddg): Likewise.
8489         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
8490         Likewise.
8491         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
8492         gen_label_die, dwarf2out_var_location): Likewise.
8493         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
8494         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
8495         last_call_insn, active_insn_p, next_label, prev_label,
8496         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
8497         add_insn_before, remove_insn, add_function_usage_to,
8498         reorder_insns, find_line_note, remove_unnecessary_notes,
8499         emit_insn_after_1, classify_insn): Likewise.
8500         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
8501         connect_post_landing_pads, sjlj_mark_call_sites,
8502         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
8503         can_throw_internal, can_throw_external, set_nothrow_function_flags,
8504         convert_to_eh_region_ranges): Likewise.
8505         * explow.c (optimize_save_area_alloca): Likewise.
8506         * expr.c (expand_expr_real): Likewise.
8507         * final.c (insn_current_reference_address, compute_alignments,
8508         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
8509         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
8510         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
8511         propagate_block_delete_insn, propagate_one_insn,
8512         init_propagate_block_info, propagate_block, libcall_dead_p,
8513         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
8514         Likewise.
8515         * function.c (instantiate_virtual_regs, reorder_blocks_1,
8516         expand_function_start, expand_function_end, contains,
8517         thread_prologue_and_epilogue_insns,
8518         reposition_prologue_and_epilogue_notes): Likewise.
8519         * gcse.c (constprop_register, bypass_conditional_jumps,
8520         insert_insn_end_bb, gcse_after_reload): Likewise.
8521         * genemit.c (gen_expand, gen_split): Likewise.
8522         * genpeep.c (gen_peephole, main): Likewise.
8523         * global.c (build_insn_chain): Likewise.
8524         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
8525         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
8526         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
8527         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
8528         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
8529         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
8530         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
8531         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
8532         dead_or_predicable): Likewise.
8533         * integrate.c (try_constants): Likewise.
8534         * jump.c (rebuild_jump_labels, cleanup_barriers,
8535         purge_line_number_notes, init_label_info, mark_all_labels,
8536         squeeze_notes, get_label_before, get_label_after,
8537         reversed_comparison_code_parts, simplejump_p, pc_set,
8538         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
8539         delete_barrier, delete_prior_computation, delete_computation,
8540         delete_related_insns, delete_for_peephole, redirect_jump):
8541         Likewise.
8542         * lcm.c (optimize_mode_switching): Likewise.
8543         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
8544         Likewise.
8545         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
8546         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
8547         * loop-iv.c (simplify_using_assignment): Likewise.
8548         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
8549         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
8550         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
8551         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
8552         check_insn_for_givs, check_final_value, update_giv_derive,
8553         basic_induction_var, product_cheap_p, check_dbra_loop,
8554         loop_insn_first_p, last_use_this_basic_block,
8555         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
8556         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
8557         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
8558         sms_schedule_by_order): Likewise.
8559         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
8560         * postreload.c (reload_cse_simplify_operands, reload_combine,
8561         reload_cse_move2add): Likewise.
8562         * predict.c (can_predict_insn_p, estimate_probability,
8563         expected_value_to_br_prob, process_note_predictions): Likewise.
8564         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
8565         * profile.c (branch_prob): Likewise.
8566         * ra-build.c (live_out_1, livethrough_conflicts_bb,
8567         detect_webs_set_in_cond_jump): Likewise.
8568         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
8569         ra_print_rtl_with_bb): Likewise.
8570         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
8571         * recog.c (next_insn_tests_no_inequality, find_single_use,
8572         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
8573         * reg-stack.c (next_flags_user, record_label_references,
8574         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
8575         compensate_edge, convert_regs_1): Likewise.
8576         * regclass.c (scan_one_insn): Likewise.
8577         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
8578         regmove_optimize, fixup_match_1, single_set_for_csa,
8579         combine_stack_adjustments_for_block): Likewise.
8580         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
8581         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
8582         find_equiv_reg): Likewise.
8583         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
8584         reload_as_needed, emit_input_reload_insns, do_output_reload,
8585         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
8586         Likewise.
8587         * reorg.c (find_end_label, emit_delay_sequence,
8588         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
8589         get_jump_flags, rare_destination, mostly_true_jump,
8590         try_merge_delay_insns, redundant_insn, own_thread_p,
8591         fill_simple_delay_slots, fill_slots_from_thread,
8592         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
8593         dbr_schedule): Likewise.
8594         * resource.c (find_basic_block, next_insn_no_annul,
8595         find_dead_or_set_registers, mark_target_live_regs): Likewise.
8596         * rtl.h (RTX_PREV): Likewise.
8597         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
8598         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
8599         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
8600         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
8601         tablejump_p, computed_jump_p, insns_safe_to_move_p,
8602         find_first_parameter_load, can_hoist_insn_p): Likewise.
8603         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
8604         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
8605         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
8606         schedule_ebbs): Likewise.
8607         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
8608         is_conditionally_protected, can_schedule_ready_p,
8609         add_branch_dependences, debug_dependencies): Likewise.
8610         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
8611         Likewise.
8612         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
8613         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
8614         set_dominates_use, ujump_to_loop_cont): Likewise.
8615         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
8616         * varasm.c (output_constant_pool_1): Likewise.
8617
8618 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8619
8620         * tree-scalar-evolution.c: New file.
8621         * tree-scalar-evolution.h: New file.
8622         * tree-ssa-loop-niter.c: New file.
8623         * Makefile.in (SCEV_H): New.
8624         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
8625         * cfgloop.h (struct loop): Add bounds field.
8626         * tree-flow.h (struct tree_niter_desc): New type.
8627         (number_of_iterations_cond, number_of_iterations_exit,
8628         loop_niter_by_eval, find_loop_niter_by_eval,
8629         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
8630         free_numbers_of_iterations_estimates): Declare.
8631         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
8632         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
8633         * doc/invoke.texi (max-iterations-to-track): Document.
8634
8635 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
8636
8637         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
8638         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
8639         (MODE_AFTER): Add cast appropriately.
8640         * config/sh/sh.md (movdi splitter): Likewise.
8641         (casesi_worker_2): Add const qualifier appropriately.
8642         (eh_return): Remove unused variable.
8643         (insv): Initialize v;
8644
8645 2004-07-08  Richard Henderson  <rth@redhat.com>
8646
8647         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
8648         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8649         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
8650         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
8651         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
8652
8653         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
8654         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8655         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
8656         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
8657
8658         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
8659         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8660         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
8661         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
8662
8663         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
8664         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8665         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
8666         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
8667
8668         * config/i860/i860-protos.h (i860_va_arg): Remove.
8669         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8670         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
8671         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
8672
8673 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
8674
8675         * system.h: Prototype getpagesize if missing.
8676         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
8677         * configure: Regenerate.
8678         * config.in: Regenerate.
8679
8680 2004-07-08  Richard Henderson  <rth@redhat.com>
8681
8682         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
8683         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8684         (fr30_gimplify_va_arg_expr): New.
8685         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
8686         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
8687
8688 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
8689
8690         PR target/16414
8691         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
8692         of asm_noperands result.
8693
8694 2004-07-08  Richard Henderson  <rth@redhat.com>
8695
8696         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
8697         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8698         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
8699         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
8700
8701 2004-07-08  Richard Henderson  <rth@redhat.com>
8702
8703         * builtins.c (ind_gimplify_va_arg_expr): New.
8704         * tree.h (ind_gimplify_va_arg_expr): Declare.
8705         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
8706
8707 2004-07-08  Jan Beulich  <jbeulich@novell.com>
8708
8709         * expmed.c (extract_bit_field): Correct condition to use vec_extract
8710         patterns also on vector elements other than the first one.
8711         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
8712         break statements.
8713
8714 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
8715
8716         * config/rs6000/darwin-ldouble.c: Correct reference
8717         to the Linnainmaa paper.
8718
8719 2004-07-08  Richard Henderson  <rth@redhat.com>
8720
8721         * config/arc/arc-protos.h (arc_va_arg): Remove.
8722         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8723         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
8724         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
8725
8726         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
8727         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8728         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
8729         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
8730
8731 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8732
8733         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
8734
8735 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
8736
8737         * c-decl.c (static_ctors, static_dtors): Make static.
8738         (pop_file_scope): Call c_common_write_pch and
8739         cgraph_finalize_compilation_unit here.
8740         (build_cdtor): Moved here from c-objc-common.c; simplify.
8741         (c_write_global_declarations_1): Clarify comment.
8742         (c_write_global_declarations): Close the external scope before
8743         doing anything else.  Call build_cdtor, cgraph_optimize, and
8744         mudflap_finish_file here.
8745         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
8746         Clarify comment.
8747         * c-objc-common.c: No need to include cgraph.h.
8748         (build_cdtor): Moved to c-decl.c.
8749         (c_objc_common_finish_file): Delete.
8750         * c-tree.h: Update to match.
8751         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
8752         (generate_static_references): Set TREE_USED before calling finish_decl.
8753         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
8754         on the static_instances_decl.
8755
8756 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
8757
8758         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
8759         decls when there is only one input translation unit.
8760         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
8761         change of 2004-07-05; do not treat declarations with
8762         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
8763         * opts.c (cur_in_fname): Delete.
8764         * opts.h: Likewise.
8765         * tree.c: Revert changes of 2004-07-05; no special treatment
8766         for TRANSLATION_UNIT_DECLs.
8767         * Makefile.in (tree.o): Update dependencies.
8768
8769 2004-07-08  Roger Sayle  <roger@eyesopen.com>
8770
8771         * builtins.c (fold_builtin_strcpy): Merge functionality from
8772         simplify_builtin_strcpy.  Add additional len argument.  No longer
8773         static.  Remove function prototype.
8774         (fold_builtin_strncpy): Likewise integrate functionality from
8775         simplify_builtin_strncpy.  Add additional slen argument.  No
8776         longer static.  Remove function prototype.
8777         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
8778         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
8779         types of "ignore" and "unlocked" parameters to bool.
8780         (fold_builtin_1):  Add additional ignore argument.  Call renamed
8781         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
8782         builtins.  Update arguments to fold_builtin_strncpy and
8783         fold_builtin_strcpy.  Add function prototype.
8784         (fold_builtin): Add additional Boolean ignore argument to pass
8785         to fold_builtin_1.
8786         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
8787         and fold_builtin_strncpy instead of simplify_builtin_fputs,
8788         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
8789
8790         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
8791         simplify_builtin_strncpy): Delete function prototypes.
8792         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
8793         fold_builtin_strncpy): Add function prototypes here.
8794         (fold_builtin): Update function prototype with new "bool ignore".
8795
8796         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
8797         (ccp_fold_builtin):  Update call to fold_builtin.  Call
8798         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
8799         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
8800         simplify_builtin_strncpy respectively.
8801         * fold-const.c (fold): Update call to fold_builtin.
8802
8803 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
8804
8805         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
8806         to strcpy.
8807
8808         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
8809         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
8810         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
8811         * calls.c: Remove ifdefs of macros above.
8812         * functions.c: Likewise.
8813         * expr.c: Likewise.
8814
8815 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8816
8817         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
8818         (arch attribute): Delete.
8819         (current_function_calls_alloca attribute): Rename into calls_alloca.
8820         (calls_eh_return): New attribute.
8821         (leaf_function): Likewise.
8822         (length attribute): Fix formula for sibcalls.
8823         (return insn): Correctly compute the 'length' attribute.
8824         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
8825
8826 2004-07-08  Richard Henderson  <rth@redhat.com>
8827
8828         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
8829         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
8830         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
8831         * tree-eh.c (lower_eh_constructs_1): Likewise.
8832         * tree-sra.c (sra_walk_modify_expr): Likewise.
8833         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
8834         (eliminate_unnecessary_stmts): Likewise.
8835         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8836         * tree-tailcall.c (optimize_tail_call): Likewise.
8837         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
8838
8839 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
8840             Jakub Jelinek  <jakub@redhat.com>
8841
8842         * config/i386/i386.c (override_options): Enable
8843         SSE prefetches with -mtune, as long as we are
8844         compiling for i686 or higher.  All i686 processors
8845         accept SSE prefetches as NOPS, some i586's don't.
8846
8847 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8848
8849         PR target/10567
8850         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
8851
8852 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
8853
8854         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
8855         the handling of clobbering ASM_EXPRs.
8856
8857 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8858
8859         PR target/16430
8860         * config/sparc/sparc.c (function_value): In 64-bit mode,
8861         return the aggregates larger than 16 bytes like unions.
8862
8863 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8864
8865         PR target/16199
8866         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
8867         'temp' is zero, generate new pseudos as needed and emit the
8868         sequence of insns in single-assignment form.  Resync comments
8869         with code.
8870         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
8871         function before reload.
8872
8873 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
8874
8875         * vec.c (vec_assert_fail): Remove duplicate 'function'.
8876
8877         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
8878
8879         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
8880         Allocation is signed.
8881         (VEC_reserve): Return flag, allocation is signed.
8882
8883 2004-07-08  Richard Henderson  <rth@redhat.com>
8884
8885         * tree-ssa-ccp.c (fold_stmt): Get type directly from
8886         OBJ_TYPE_REF_OBJECT.
8887
8888 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
8889             Neil Booth  <neil@daikokuya.co.uk>
8890
8891         PR c/2511
8892         PR c/3325
8893         * c-decl.c (finish_struct): Ensure bit-fields are given the
8894         correct type.
8895         * c-common.c (c_common_signed_or_unsigned_type): For C, require
8896         the precision to match as well as the mode.
8897         * expr.c (reduce_to_bit_field_precision): New function.
8898         (expand_expr_real_1): Reduce expressions of bit-field type to
8899         proper precision.
8900         * langhooks.h (reduce_bit_field_operations): New hook.
8901         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
8902         Define.
8903         * c-lang.c, objc/objc-lang.c
8904         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
8905         * objc/objc-act.c (check_ivars): Convert types to bit-field types
8906         before checking.
8907         * tree.c (build_nonstandard_integer_type): New function.
8908         * tree.h (build_nonstandard_integer_type): New prototype.
8909         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
8910         conversions between integer and boolean types as useless.
8911
8912 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
8913
8914         * c-common.c (c_common_nodes_and_builtins): Do not
8915         create __builtin_ptrdiff_t and __builtin_size_t.
8916
8917 2004-07-08  Andrew Pinski  <apinski@apple.com>
8918
8919         * Makefile.in (libbackend.o): Add -combine to the gcc
8920         command line.
8921
8922 2004-07-08  Nick Clifton  <nickc@redhat.com>
8923
8924         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
8925         Set to -Os.
8926
8927 2004-07-08  Richard Henderson  <rth@redhat.com>
8928
8929         * except.c (expand_eh_region_start, expand_eh_region_end,
8930         expand_eh_handler, expand_eh_region_end_cleanup,
8931         expand_start_all_catch, expand_start_catch, expand_end_catch,
8932         expand_end_all_catch, expand_eh_region_end_allowed,
8933         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
8934         expand_eh_region_end_fixup): Remove.
8935         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
8936         cleanups, outer_cleanups, label_chain, exception_region.
8937         (struct goto_fixup): Remove stack_level, cleanup_list_list.
8938         (struct label_chain): Remove.
8939         (struct stmt_status): Remove x_stack_block_stack.
8940         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
8941         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
8942         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
8943         end_cleanup_deferral, last_cleanup_this_contour,
8944         containing_blocks_have_cleanups_or_stack_level,
8945         any_pending_cleanups): Remove.
8946         (expand_null_return_1): Take no arguments.
8947         (expand_label, expand_naked_return, expand_return,
8948         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
8949         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
8950         expand_end_case_type): Don't use any of them.
8951         * calls.c (expand_call): Likewise.
8952         * dojump.c (do_jump): Likewise.
8953         * function.c (expand_function_end): Likewise.
8954         * expr.c (store_expr, expand_expr_real_1): Likewise.
8955         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
8956         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
8957         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
8958         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
8959         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
8960         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
8961         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
8962         for WITH_CLEANUP_EXPR.
8963         (gimple_push_cleanup): Likewise.
8964         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
8965         * print-tree.c (print_node): Likewise.
8966         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
8967         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
8968         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
8969         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
8970         (GOTO_SUBROUTINE_EXPR): Remove.
8971         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
8972         (DECL_TOO_LATE): Remove.
8973         * except.h, tree.h: Update decls.
8974
8975 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
8976
8977         * explow.c (optimize_save_area_alloca): Do not accept parameters.
8978         * passes.c (rest_of_handle_final): Handle symout.
8979         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
8980         Push timevar here.
8981         (rest_of_handle_sched): Break out SMS.  Remove ifs for
8982         flag_schedule_insns and flag_modulo_sched.
8983         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
8984         collect at the end.
8985         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
8986         (rest_of_handle_partition_blocks, rest_of_handle_sms,
8987         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
8988         rest_of_handle_mode_switching, rest_of_handle_jump,
8989         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
8990         rest_of_handle_jump2, rest_of_handle_postreload,
8991         rest_of_handle_flow2, rest_of_clean_state,
8992         rest_of_handle_shorten_branches,
8993         rest_of_handle_prologue_epilogue,
8994         rest_of_handle_branch_target_load_optimize): New.
8995         (rest_of_compilation): Call the above.  Remove ggc_collect
8996         calls moved to rest_of_handle_*.
8997         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
8998
8999         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
9000         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
9001         * except.h (set_nothrow_function_flags): Update comment.
9002         * function.c (current_function_nothrow): Remove.
9003         * output.h (current_function_nothrow): Remove.
9004         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
9005         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
9006
9007 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9008
9009         PR bootstrap/16326
9010         * reorg.c: Revert 2004-06-30 change.
9011         (find_end_label): If HAVE_epilogue and !HAVE_return,
9012         return 0 instead of creating a label at the end of the insn chain.
9013         (optimize_skip): Account for the failure mode of find_end_label.
9014         (fill_simple_delay_slots): Likewise.
9015         (fill_slots_from_thread): Likewise.
9016         (relax_delay_slots): Likewise.
9017
9018 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
9019
9020         * tree-flow.h (addressable_vars): Declare.
9021         * tree-ssa-alias.c (addressable_vars): Define.
9022         (setup_pointers_and_addressables): Add addressable variables
9023         to addressable_vars.
9024         * tree-ssa-operands.c (get_stmt_operands): Move
9025         handling of ASM_EXPRs ...
9026         (get_asm_expr_operands): ... here.
9027         When the ASM_EXPR clobbers memory, also clobber addressable
9028         variables.
9029         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
9030         (delete_tree_ssa): Reset addressable_vars.
9031
9032 2004-07-07  Jan Beulich  <jbeulich@novell.com>
9033             Richard Henderson  <rth@redhat.com>
9034
9035         * varasm.c (assemble_variable): Use assemble_zeros for
9036         zero-initialized variables.
9037         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
9038         for SECCAT_BSS and SECCAT_TBSS.
9039
9040 2004-07-07  Jan Beulich  <jbeulich@novell.com>
9041
9042         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
9043
9044         * expmed.c (emit_store_flag): Also special-case double-word
9045         (in-)equality comparison against -1.
9046
9047         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
9048         passing arguments the containers for which are registers.
9049
9050         * calls.c (emit_library_call_value_1): Use mode of function parameter
9051         rather than that of argument since constants have none.
9052
9053 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
9054
9055         Introduce H8SX support.
9056         * expr.c (expand_strcpy): Renamed and moved to...
9057         * builtins.c (expand_movstr): ... here.  Tweak.
9058         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
9059         computed or has side effects.
9060         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
9061         unused, or if mempcpy fails.  Adjust the return value in the
9062         latter case.  Use movstr if everything else fails.
9063         * doc/md.texi (movstr): Document.
9064         (movmemM, clrmemM): Fix explanation of memory block operands.
9065         * config/h8300/h8300.md (stpcpy): Renamed to...
9066         (movstr): ... this.  Adjust.
9067         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
9068         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
9069         movmem* and clrstr* to clrmem*.
9070         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
9071         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
9072         GENERAL_REGS, always.
9073         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
9074         getting the stack pointer as addr.
9075         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
9076         from general_operand_dst.
9077         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
9078         variant of...
9079         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
9080         instead of requiring it to match only before reload.
9081         (stpcpy_internal_normal): New, normal-mode variant of...
9082         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
9083         `D' instead of requiring it to match only before reload.
9084         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
9085         mode argument.
9086         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
9087         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
9088         h8300_get_index.
9089         * config/h8300/h8300.md (attr type): Add call.
9090         (attr can_delay): If type is call, set it no.
9091         (call, call_value): Set type to call.
9092         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
9093         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
9094         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
9095         * tree.c (get_narrower): Don't narrow integral types into
9096         non-integral types.
9097         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
9098         frame_size *before* the first use.
9099         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
9100         on input.
9101         (peephole2): Don't widen instructions that push SP.  Move
9102         decrement of SP to the end of all stm-generating peepholes.
9103         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
9104         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
9105         and OR to set it to all ones.
9106         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
9107         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
9108         (call, call_value): Set can_delay to "no".
9109         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
9110         * config/h8300/h8300.md (extzv): Make subreg check more robust.
9111         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
9112         * config/h8300/h8300.md (*brabit): Remove.
9113         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
9114         zero_extract.  Use bit_memory_operand as the predicate for
9115         operand 1 and 'WU' as the constraint.  Check the difference
9116         between the base length and the final one when deciding which
9117         type of branch to use.
9118         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
9119         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
9120         Use convert_move to extend the result for TARGET_H8300SX.  Check
9121         for QImode memory references.  Optimize the case where the
9122         destination is a paradoxical subreg.
9123         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
9124         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
9125         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
9126         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
9127         * config/h8300/h8300.md: Include mova.md
9128         (length_table): Add mova and mova_zero.
9129         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
9130         after all constant addresses for '%R', '%X', '%T' and '%S'.
9131         (h8300_mova_length): New function.
9132         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
9133         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
9134         dependencies for s-config, etc.
9135         * config/h8300/gemova.sh: New file.
9136         * config/h8300/mova.md: Generated.
9137         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
9138         * config/h8300/h8300.c (h8300_bitfield_length): New.
9139         (nibble_operand): Adjust.
9140         (h8300_binary_length): Handle conditional binary op.
9141         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
9142         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
9143         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
9144         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
9145         constraints.  WU is introduced as a variant of U that requires a
9146         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
9147         * config/h8300/h8300.md (attr type): Added bitbranch.
9148         (attr length_table): Added bitfield and bitbranch.
9149         (attr length): Compute bitbranch length.
9150         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
9151         least-significant bit of a byte.
9152         (brabit, brabc, brabs): New.
9153         (insv, extzv): Emit bfst and bfld on H8300SX.
9154         (bfld, bfst, seq, sne): New.
9155         (bstzhireg, cmpstz, bstz, bistz): New.
9156         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
9157         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
9158         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
9159         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
9160         (h8sx_unary_memory_operator): New function.
9161         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
9162         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
9163         * config/h8300/h8300.md: Add peepholes to combine reloads and
9164         arithmetic insns.
9165         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
9166         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
9167         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
9168         (and?i, ior?i, xor?i): Likewise.
9169         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
9170         * config/h8300/h8300.c: Move enums and prototypes to head of file.
9171         Various whitespace fixes.
9172         (h8300_constant_length): New function, split out from...
9173         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
9174         (h8300_classify_operand): Use IN_RANGE.
9175         (h8300_classify_operand): Use h8300_constant_length.
9176         (h8300_short_move_mem_p): Tighten size check.
9177         (h8sx_mergeable_memrefs_p): Tighten equality check.
9178         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
9179         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
9180         for -msx.
9181         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
9182         * config/h8300/crtn.asm: Likewise.
9183         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
9184         if __H8300SX__ is defined.
9185         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
9186         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
9187         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
9188         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
9189         addresses as mode-dependent.
9190         * config/h8300/h8300.c (print_operand_address): Update call to
9191         h8300_get_index.
9192         (h8300_get_index): Take a mode argument.  Rework to fix an
9193         earlier misunderstanding.
9194         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
9195         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
9196         into a register if TARGET_H8300SX.
9197         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
9198         TARGET_H8300SX.  Also disable related define_splits.
9199         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
9200         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
9201         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
9202         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
9203         * config/h8300/h8300.h (OK_FOR_Z): New macro.
9204         (EXTRA_CONSTRAINT_STR): Check it.
9205         * config/h8300/h8300.c (h8300_classify_operand): Accept null
9206         class arguments.
9207         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
9208         * config/h8300/h8300.md (length_table): Add mov_imm4.
9209         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
9210         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
9211         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
9212         be a label.
9213         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
9214         * config/h8300/h8300.c (h8300_reorg): New function.
9215         (TARGET_MACHINE_DEPENDENT_REORG): Define.
9216         * config/h8300/h8300.md (length): Subtract the length of the
9217         delay slot from (pc) when checking the range of forward branches.
9218         (delay_slot, can_delay): New attributes.
9219         (define_delay): Add bra/s handling.
9220         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
9221         (jump): Add delayed-branch handling.
9222         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
9223         * expr.c (expand_strcpy): New function.
9224         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
9225         (expand_builtin_stpcpy): Likewise.
9226         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
9227         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
9228         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
9229         handling to improve register allocation for -fno-omit-frame-pointer.
9230         (h8sx_split_movmd): Delete, moving er6 handling into...
9231         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
9232         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
9233         (movmd): Add calls to copy_rtx.
9234         (movmd_internal): In the second alternative, allow the initial and
9235         final destination registers to be different .  Update the splitter
9236         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
9237         instead of h8sx_split_movmd.
9238         (stpcpy, movsd): New expanders.
9239         (movsd_internal): New define_insn.
9240         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
9241         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
9242         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
9243         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
9244         and DESTINATION_REGS.
9245         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
9246         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
9247         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
9248         (h8300_move_ratio): Declare.
9249         (MOVE_RATIO): Use it.
9250         * config/h8300/h8300.c (h8300_move_ratio): New variable.
9251         (h8300_init_once): Initialize it.
9252         (h8300_reg_class_from_letter): New function.
9253         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
9254         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
9255         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
9256         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
9257         (movstrsi, movmd): New expanders.
9258         (movmd_internal): New insn.
9259         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
9260         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
9261         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
9262         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
9263         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
9264         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9265         * config/h8300/h8300.c (nibble_operand): Fix warning.
9266         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
9267         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
9268         (movsf_h8300h): Disable for TARGET_H8300SX.
9269         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9270         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
9271         h8300_stm_parallel and h8300_return_parallel.
9272         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
9273         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
9274         h8300_stm_parallel, h8300_return_parallel): New functions.
9275         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
9276         if TARGET_H8300SX.  Use h8300_push_pop.
9277         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
9278         and final pop when generating h8sx code.  Always emit some form
9279         of return insn.
9280         * config/h8300/h8300.md: Don't enforce register alignment in
9281         stm peepholes if TARGET_H8300SX.
9282         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
9283         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
9284         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
9285         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9286         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
9287         (MULTILIB_DIRNAMES): Add a directory for it.
9288         (MULTILIB_MATCHES): Delete.
9289         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
9290         * final.c (walk_alter_subreg): Handle addresses with subregs
9291         inside a ZERO_EXTEND or AND.
9292         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
9293         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
9294         if TARGET_H8300SX.
9295         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
9296         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
9297         @(dd,Rn.w) and @(dd,ERn.L).
9298         (h8300_displacement_size): Take the whole address as argument.
9299         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
9300         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
9301         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
9302         (h8sx_mergeable_memrefs_p): Declare.
9303         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
9304         (HAVE_PRE_INCREMENT): Likewise.
9305         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
9306         addresses for TARGET_H8300SX,
9307         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
9308         and POST_DEC.
9309         (movb_length_table, movl_length_table): New tables.
9310         (movw_length_table): Define to movb_length_table.
9311         (h8300_displacement_size): New, split out from...
9312         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
9313         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
9314         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
9315         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
9316         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
9317         (compute_plussi_length, compute_plussi_cc): Update accordingly.
9318         (h8sx_unary_shift_operator): Get the mode from the operator.
9319         (binary_shift_operator): Likewise.
9320         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
9321         a memory reference, check whether the reference is offsettable.
9322         (length_table): Add movb, movw and movl.
9323         (movqi): Add new h8sx pattern.  Don't force one operand to be a
9324         register when generating h8sx code.
9325         (movhi, movsi, movsf): Likewise.
9326         (movstrictqi): Use the length_table attribute.
9327         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
9328         (addqi3): Split into a define_expand and define_insn.  Don't accept
9329         memory operands in the expander.  Use h8300_operands_match_p to
9330         check for matching operands in the define_insn.
9331         (subqi3, negqi2, one_cmplqi2): Likewise.
9332         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
9333         in any patterns that are unused in h8sx code.  In the h8sx patterns,
9334         use h8300_operands_match_p to check whether operands match.
9335         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
9336         one_cmpl[hs]i3): Likewise.
9337         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
9338         in the expander.
9339         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
9340         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
9341         (h8300_insn_length_from_table): Add a second parameter.
9342         (output_h8sx_shift): Declare.
9343         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
9344         (EXTRA_CONSTRAINT): Replace with...
9345         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
9346         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
9347         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
9348         and h8sx_binary_shift_operator.
9349         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
9350         for TARGET_H8300SX.
9351         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
9352         (bit_memory_operand, fix_bit_operand): Likewise.
9353         (h8300_length_table_for_insn): Remove.
9354         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
9355         instructions.
9356         (h8300_short_immediate_length, h8300_binary_length): New functions.
9357         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
9358         (output_plussi): Use sub to add negative constants.
9359         (compute_plussi_length): Adjust accordingly.
9360         (h8sx_single_shift_type): New enum.
9361         (h8sx_single_shift, h8sx_unary_shift_operator,
9362         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
9363         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
9364         single h8sx instruction.  Return false in this case.
9365         * config/h8300/h8300.md (length_table): Add short_immediate.
9366         (length): Pass the operand array to h8300_insn_length_from_table.
9367         (adjust_length): Assume "no" for insns with a length_table attribute.
9368         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
9369         (*addhi3_h8300hs): Don't use for h8sx.
9370         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
9371         and sub.w #xx:3.
9372         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
9373         1's predicate to nonimmediate_operand.  Only skip default expansion
9374         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
9375         for single h8sx shift instructions.
9376         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
9377         * config/h8300/h8300.c (nibble_operand): Split out of...
9378         (reg_or_nibble_operand): ... this.
9379         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
9380         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
9381         umulhisi3): Introduce expand, and introduce separate insns for
9382         sign- or zero-extended REG and already-extended CONST_INT.
9383         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
9384         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
9385         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
9386         (subhi3): Likewise.  Don't accept immediates for operand 1.
9387         Remove the early clobber from second alternative of the h8300s pattern.
9388         (subsi3): Generalize for h8sx.  Force operand 2 into a register
9389         on plain h8300 targets.
9390         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
9391         (subsi3_h8300h): Generalize for h8sx.
9392         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
9393         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
9394         * config/h8300/h8300.c (reg_or_nibble_operand): New.
9395         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
9396         (TARGET_H8300SXMUL): New.
9397         (CONST_OK_FOR_P): New.
9398         (CONST_OK_FOR_LETTER_P): Adjust.
9399         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
9400         umulhisi3): Accept 4-bit immediate on H8SX.
9401         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
9402         (udivsi3, divhi3, udivsi3, divsi3): New.
9403         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
9404         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
9405         * config/h8300/h8300.h (OK_FOR_Q): New macro.
9406         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
9407         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
9408         Add ADDRESSOF to the bit_operand entry.
9409         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
9410         (h8300_src_operand): Likewise.
9411         (bit_operand): Check nonimmediate_operand rather than general_operand.
9412         Accept any nonimmediate_operand in h8sx code.
9413         (h8300_and_costs): Initialize operands[1].
9414         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
9415         (h8300_operand_class): New enum.
9416         (h8300_length_table): New typedef.
9417         (addb_length_table, addw_length_table, addl_length_table,
9418         logicl_length_table): New tables.
9419         (logicb_length_table, logicw_length_table): New macros.
9420         (h8300_classify_operand, h8300_length_from_table,
9421         h8300_length_table_for_insn, h8300_unary_length,
9422         h8300_insn_length_from_table): New functions.
9423         (output_plussi): Only use adds and subs for register destinations.
9424         Disable redundant clause.
9425         (compute_plussi_cc): Likewise.
9426         (compute_plussi_length): Likewise.  Use h8300_length_from_table
9427         to work out the length of an insn.
9428         (output_logical_op): Only use narrower immediate instructions
9429         if the destination is a register.
9430         (compute_logical_op_cc): Likewise.
9431         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
9432         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
9433         * config/h8300/h8300.md (length_table): New attribute.
9434         (length): When an instruction has a length_table attribute, use
9435         h8300_insn_length_from_table to calculate its default length.
9436         (cmpqi): Use h8300_dst_operand for the first operand and
9437         h8300_src_operand for the second.
9438         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
9439         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
9440         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
9441         iorsi3, xorhi3, xorsi3): Likewise.
9442         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
9443         so that it allows any combination of operands for TARGET_H8300SX.
9444         (iorqi3, xorqi3): Likewise.
9445         (cmpqi): Use the length_table attribute.
9446         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
9447         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
9448         (cmpqi): Add 'Q' constraint.
9449         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
9450         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
9451         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
9452         * config/h8300/h8300.h (MASK_H8300SX): New macro.
9453         (TARGET_H8300S): True for both -ms and -msx.
9454         (TARGET_H8300SX): New macro.
9455         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
9456         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
9457         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
9458         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
9459         [Temporary change.]
9460         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
9461         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
9462         16-bit pointers and 32-bit ints.
9463         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
9464         CONST_DOUBLE with mode no wider than SImode.
9465         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
9466         output operand.
9467         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
9468         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
9469         or SUBREG thereof.
9470         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
9471         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
9472         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
9473
9474 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
9475
9476         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
9477
9478 2004-07-07  Per Bothner  <per@bothner.com>
9479
9480         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
9481
9482 2004-07-07  Mike Stump  <mrs@apple.com>
9483
9484         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
9485         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
9486         (machopic_finish): Likewise.
9487
9488 2004-07-07  Richard Henderson  <rth@redhat.com>
9489
9490         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
9491         through any value-preserving cast.
9492
9493 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
9494
9495         * function.c (assign_parm_find_data_types): Call
9496         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
9497
9498 2004-07-07  Steven Bosscher  <stevenb@suse.de>
9499
9500         * tree-cfg.c (group_case_labels): Remove case labels that have
9501         the same target as the default case.
9502
9503 2004-07-07  Steven Bosscher  <stevenb@suse.de>
9504
9505         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
9506         regardless of DECL_LANG_SPECIFIC being present or not.
9507         * tree.h (DECL_NUM_STMTS): Purge.
9508
9509 2004-07-07  Andrew Pinski  <apinski@apple.com>
9510
9511         * configure: Regenerate with the right autoconf.
9512
9513 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
9514
9515         * ifcvt.c (total_bb_rtx_cost): New function.
9516         (find_if_case_1): Compare rtx_cost of basic block to cost of
9517         BRANCH_COST insns.
9518         (find_if_case_2): Same.
9519
9520 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9521
9522         PR target/10567
9523         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
9524         (output_return): Likewise.
9525         (output_sibcall): Abort if !flag_delayed_branch.
9526         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
9527         (emit_and_preserve): New function.
9528         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
9529         indirect jump to the thunked-to function if !flag_delayed_branch.
9530         * config/sparc/sparc.md (delayed_branch): New attribute.
9531         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
9532         attribute to compute the length of the insn.
9533         (goto_handler_and_restore): Likewise.
9534
9535 2004-07-07  Andrew Pinski  <apinski@apple.com>
9536
9537         PR tree-optimization/15777
9538         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
9539
9540         * expr.c (expand_expr_real_1): Fix formating.
9541         BUFFER_REF and IN_EXPR are dead.
9542         * fold-const.c (non_lvalue): BUFFER_REF is dead.
9543         * tree-inline.c (estimate_num_insns_1): Likewise.
9544         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
9545         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
9546         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
9547
9548 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
9549
9550         * collect2.c (dump_file): Don't call cplus_demangle if
9551         HAVE_LD_DEMANGLE is defined.
9552         (main): Pass "--demangle" to ld if no_demangle is not 0 and
9553         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
9554         if HAVE_LD_DEMANGLE is defined.
9555
9556         * configure.ac (--with-demangler-in-ld): Added
9557         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
9558         --with-demangler-in-ld is used.
9559         * config.in: Regenerated.
9560         * configure: Likewise.
9561
9562 2004-07-07  Roger Sayle  <roger@eyesopen.com>
9563
9564         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
9565         for simple floating point operations "fp", double precision
9566         multiplication "dmul", and single and double precision division
9567         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
9568         (ppc630_cost): New table split from ppc620_cost, to distinguish
9569         differences in floating point latencies.
9570         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
9571         (rs6000_rtx_costs): Add support for single and double precision
9572         floating point addition, subtraction, multiplication, division,
9573         fused-multiply-add, fused-multiply-sub, negation, absolute value
9574         and negative absolute value.  Tweak MEM case to use prefered idiom.
9575
9576 2004-07-07  Richard Henderson  <rth@redhat.com>
9577
9578         * tree-flow-inline.h (may_propagate_copy): Move...
9579         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
9580         attempt to copy between types requiring conversion.
9581         * tree-flow.h (may_propagate_copy): Update decl.
9582         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
9583
9584 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
9585
9586         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
9587         from -mtune= option.
9588
9589 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
9590
9591         * builtins.c: Rename movstr*, except for movstrict*, to
9592         movmem* and clrstr* to clrmem*.
9593         * expr.c: Likewise.
9594         * expr.h: Likewise.
9595         * genopinit.c: Likewise.
9596         * integrate.c: Likewise.
9597         * local-alloc.c: Likewise.
9598         * optabs.c: Likewise.
9599         * optabs.h: Likewise.
9600         * config/alpha/alpha.h: Likewise.
9601         * config/alpha/alpha.md: Likewise.
9602         * config/arm/arm-protos.h: Likewise.
9603         * config/arm/arm.c: Likewise.
9604         * config/arm/arm.md: Likewise.
9605         * config/avr/avr.md: Likewise.
9606         * config/c4x/c4x.c: Likewise.
9607         * config/c4x/c4x.md: Likewise.
9608         * config/frv/frv.md: Likewise.
9609         * config/i386/i386-protos.h: Likewise.
9610         * config/i386/i386.c: Likewise.
9611         * config/i386/i386.h: Likewise.
9612         * config/i386/i386.md: Likewise.
9613         * config/i860/i860.c: Likewise.
9614         * config/i860/i860.md: Likewise.
9615         * config/ip2k/ip2k.md: Likewise.
9616         * config/ip2k/libgcc.S: Likewise.
9617         * config/ip2k/t-ip2k: Likewise.
9618         * config/m32r/m32r.c: Likewise.
9619         * config/m32r/m32r.md: Likewise.
9620         * config/mcore/mcore.md: Likewise.
9621         * config/mips/mips.c: Likewise.
9622         * config/mips/mips.md: Likewise.
9623         * config/ns32k/ns32k.c: Likewise.
9624         * config/ns32k/ns32k.h: Likewise.
9625         * config/ns32k/ns32k.md: Likewise.
9626         * config/pa/pa.c: Likewise.
9627         * config/pa/pa.md: Likewise.
9628         * config/pdp11/pdp11.h: Likewise.
9629         * config/pdp11/pdp11.md: Likewise.
9630         * config/rs6000/rs6000.c: Likewise.
9631         * config/rs6000/rs6000.md: Likewise.
9632         * config/s390/s390-protos.h: Likewise.
9633         * config/s390/s390.c: Likewise.
9634         * config/s390/s390.md: Likewise.
9635         * config/sh/lib1funcs.asm: Likewise.
9636         * config/sh/sh.c: Likewise.
9637         * config/sh/sh.md: Likewise.
9638         * config/sh/t-sh: Likewise.
9639         * config/sparc/sparc.h: Likewise.
9640         * config/vax/vax.md: Likewise.
9641         * config/xtensa/xtensa.c: Likewise.
9642         * config/xtensa/xtensa.md: Likewise.
9643         * doc/invoke.texi: Likewise.
9644         * doc/md.texi: Likewise.
9645         * doc/rtl.texi: Likewise.
9646
9647 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
9648
9649         PR target/16407
9650         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
9651         * config/mips/mips.c (mips_declare_common_object): New function,
9652         mostly split out from...
9653         (mips_output_aligned_decl_common): ...here.
9654         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
9655         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
9656         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
9657         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
9658
9659 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9660
9661         PR c/16392
9662         * function.c (assign_parms): Fix typo from previous change.
9663
9664 2004-07-07  Jason Merrill  <jason@redhat.com>
9665
9666         PR c++/15815
9667         * doc/extend.texi (C++ Interface): Correct information and
9668         discourage use.
9669
9670 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
9671
9672         PR target/16130
9673         PR target/16142
9674         PR target/16143
9675         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
9676         insn.
9677
9678 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
9679
9680         PR target/1679.
9681         * config/m32r/m32r.c (m32r_function_symbol): New function:
9682         Generate a symbol name RTX with the correct m32r specific flags
9683         set.
9684         (block_move_call): Use new function to generate correct symbol.
9685         * config/m32r/m32r-protos.h: Add prototype for new funcion.
9686         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
9687         function.
9688
9689 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
9690
9691         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
9692         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
9693         TYPE_BINFO_BASETYPE): Remove.
9694         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
9695         to ...
9696         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
9697         here.
9698         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
9699         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
9700         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
9701         (struct tree_binfo): Rename base_types to base_binfos.
9702         * alias.c (record_component_aliases): Adjust BINFO macros.
9703         * dbxout.c (dbxout_type): Likewise.
9704         * dwarf2out.c (gen_member_die): Likewise.
9705         * sdbout.c (sdbout_one_type): Likewise.
9706         * tree-dump.c (deque_and_dump): Likewise.
9707         * config/i386/i386.c (classify_argument,
9708         contains_128bit_aligned_vector_p): Likewise.
9709
9710 2004-07-07  Nick Clifton  <nickc@redhat.com>
9711
9712         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
9713         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
9714
9715 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
9716
9717         * vec.h: Fix the example use.
9718
9719 2004-07-06  Richard Henderson  <rth@redhat.com>
9720
9721         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
9722         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
9723         * tree-inline.c (copy_body_r, setup_one_parameter,
9724         initialize_inlined_parameters, expand_call_inline,
9725         declare_inline_vars): Don't check it.
9726         (expand_calls_inline): Remove old version, rename new version
9727         from gimple_expand_calls_inline.
9728         * tree-optimize.c (execute_gimple): Remove.
9729         (pass_gimple): Don't run anything.
9730
9731 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
9732
9733         * doc/sourcebuild.texi: Use semicolons instead of commas in
9734         section title.
9735
9736 2004-07-06  Richard Henderson  <rth@redhat.com>
9737
9738         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
9739         (sra_walk_modify_expr, scan_init): Likewise.
9740         (generate_element_zero): Check visited before scanning children.
9741         (generate_element_init): Set visited on error.
9742         (scalarize_init): Handle generate_element_init failure similar
9743         to use_block_copy.
9744
9745 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
9746
9747         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
9748         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
9749
9750 2004-07-06  Richard Henderson  <rth@redhat.com>
9751
9752         * config/i386/i386.c (legitimize_pic_address): Make static.
9753         (legitimize_address): Handle CONST with TLS operand.
9754         (ix86_expand_move): Don't call legitimize_pic_address directly.
9755         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
9756
9757 2004-07-06  Roger Sayle  <roger@eyesopen.com>
9758
9759         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
9760         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
9761         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
9762         is currently executed unconditionally, i.e. not in "else_bb".
9763
9764 2004-07-06  Steven Bosscher  <stevenb@suse.de>
9765
9766         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
9767         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9768         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
9769         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9770         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
9771         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9772         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
9773         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9774         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
9775         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9776         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
9777         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9778         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
9779         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9780         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
9781         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9782
9783 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
9784
9785         * dojump.c (do_jump): REFERENCE_EXPR is dead.
9786         * expr.c (expand_expr_real_1): Ditto.
9787         * tree-inline.c (estimate_num_insns_1): Ditto.
9788         * tree-pretty-print.c (dump_generic_node): Ditto.
9789         (op_symbol): Ditto.
9790         * tree.def: Ditto.
9791
9792 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
9793
9794         * tree-ssa-pre.c (reference_node_pool): New pool.
9795         (find_or_generate_expression): Class 'r' is okay too.
9796         (create_value_expr_from): Ditto.
9797         (add_to_sets): LHS should not include vuses.
9798         (eliminate): Ditto.
9799         (compute_avail): Reverse ordering of tests.
9800         Valuize INDIRECT_REF as well.
9801
9802 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
9803
9804         PR rtl-optimization/16380
9805         * loop.c (check_dbra_loop): Sink comparison instructions if they
9806         do something other than set cc0.
9807
9808 2004-07-06  James E Wilson  <wilson@specifixinc.com>
9809
9810         * doc/interface.texi (longjmp and automatic variables): Delete
9811         paragraph recommending taking the address of a variable.
9812
9813 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
9814
9815         * vec.h (VEC_embedded_alloc): Remove.
9816         (VEC_embedded_size, VEC_embedded_init): New.
9817         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
9818         MEM_STAT_INFO.
9819         (VEC_truncate): New.
9820         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
9821         (vec_embedded_alloc): Remove.
9822         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
9823         (vec_embedded_alloc): Remove.
9824
9825 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
9826
9827         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
9828         (gt-langhooks.h): Remove.
9829
9830 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
9831
9832         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
9833
9834 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
9835
9836         * config/sparc/sparc.c (get_pc_symbol): Rename into
9837         add_pc_to_pic_symbol.
9838         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
9839         (load_pic_register): Account for previous changes.
9840         Use reg_names.  Don't create the label twice.
9841         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
9842         UNSPEC_LOAD_PCREL_SYM.
9843         (get_pc): Rename into load_pcrel_sym.  Add predicate to
9844         operands.  Remove condition.
9845
9846 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
9847
9848         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
9849         RECORD, UNION & QUAL_UNION is actually a binfo.
9850
9851         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
9852         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
9853         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
9854         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
9855         * dwarf2out.c (add_data_member_location_attribute): Likewise.
9856         (gen_inheritance_die): Likewise.
9857         * tree-dump.c (deque_and_dump): Likewise.
9858         * doc/c-tree.texi (Binfos): Add under reconstruction note.
9859
9860 2004-07-06  Steven Bosscher  <stevenb@suse.de>
9861
9862         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
9863         Define.
9864         * config/mcore/mcore.md: Model memory latency with a simple DFA
9865         pipeline description instead of a define_function_unit.
9866
9867 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9868
9869         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
9870         * langhooks.h (var_mod_type_p): Likewise.
9871         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
9872         * expr.c (count_type_elements): Properly handle return from
9873         array_type_nelts and properly test for overflow.
9874         * gimplify.c (gimplify_init_constructor): Properly handle return
9875         from array_type_nelts.
9876         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
9877         * integrate.c (copy_decl_for_inlining): Correct comments.
9878         * tree-inline.c (remap_decl): Update comments, remove dead code,
9879         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
9880         (remap_type): Only remap if variably modified by vars in function
9881         being inlined.
9882         (copy_body_r): Use compatible_type langhooks to see when can fold.
9883         (setup_one_parameter): Don't remap type.
9884         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
9885         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
9886         compute TREE_INVARIANT for decl case.
9887         (find_var_from_fn): New function.
9888         (variably_modified_type_p): Add arg and call new function.
9889         * tree.h (variably_modified_type_p): Add extra arg.
9890
9891 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
9892
9893         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
9894         (goto_handler_and_restore_v9): Delete disabled insn.
9895         (goto_handler_and_restore_v9_sp64): Likewise.
9896
9897 2004-07-05  Roger Sayle  <roger@eyesopen.com>
9898
9899         * calls.c (load_register_parameters): Call expand_shift instead
9900         of expand_binop with ashl_optab (or other shift optab) directly.
9901         * expr.c (emit_group_load, emit_group_store): Likewise.
9902         * function.c (assign_parm_setup_block): Likewise.
9903         * stmt.c (shift_return_value): Likewise.
9904
9905 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
9906
9907         * expr.c (expand_assignment): Disable the bitfield += optimizations.
9908
9909 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
9910
9911         * doc/sourcebuild.texi: Revert previous patch.
9912
9913 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
9914
9915         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
9916         TARGET_MEM_FUNCTIONS.
9917         * system.h: Poison TARGET_MEM_FUNCTIONS.
9918         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
9919         bcmp_libfunc, bzero_libfunc): Remove.
9920         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
9921         bzero_libfunc.
9922         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
9923         * doc/standards.texi: Don't mention calling BSD string functions.
9924         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
9925         * config/vax/t-memfuncs: New.
9926         * config/memcmp.c, config/memcpy.c, config/memmove.c,
9927         config/memset.c: New.
9928         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
9929         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
9930         vax/t-memfuncs.
9931         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
9932         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
9933         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
9934         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
9935         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
9936         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
9937         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
9938         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
9939         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
9940         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
9941
9942 2004-07-05  Richard Henderson  <rth@redhat.com>
9943
9944         * function.c (assign_parm_setup_reg): Properly rename variables in
9945         FUNCTION_ARG_CALLEE_COPIES section.
9946
9947 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
9948
9949         * tree-mudflap.c: Include cgraph.h.
9950         (mf_init_extern_trees): Rename to mudflap_init.  Export.
9951         Rewrite to create synthetic declarations instead of looking
9952         up declarations from mf-runtime.h.
9953         (mf_make_builtin, mf_make_cache_struct_type): New functions.
9954         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
9955         Correct commentary.
9956         (execute_mudflap_function_decls, mudflap_register_call):
9957         Don't call mf_init_extern_trees.
9958         (mudflap_finish_file): Use cgraph_build_static_cdtor.
9959
9960         * tree-mudflap.h: Update prototypes.
9961         * c-mudflap.c: Delete file.
9962         * c-common.c: Include tree-mudflap.h.
9963         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
9964         * Makefile.in: Remove all references to c-mudflap.o.
9965         Update dependencies.
9966
9967 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9968
9969         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
9970         displacements with the spatial-locality cache-control completer.
9971
9972 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
9973
9974         * langhooks.c: Don't include gt-langhooks.h.
9975         (var_labelno): Delete.
9976         (lhd_set_decl_assembler_name): Do not append a distinguishing
9977         number to file-scope internal-linkage declarations for the first
9978         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
9979         the declaration itself (if at block scope), or its containing
9980         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
9981         number.
9982
9983         * opts.c (cur_in_fname): New global.
9984         * opts.h: Declare it.
9985         * tree.c: Include opts.h.
9986         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
9987         DECL_UID equal to cur_in_fname.
9988         (copy_node_stat): Do not change DECL_UID when copying a
9989         TRANSLATION_UNIT_DECL.
9990         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
9991         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
9992
9993         * c-decl.c (c_static_assembler_name): Delete.
9994         * c-tree.h (c_static_assembler_name): Delete prototype.
9995         * c-lang.c, objc/objc-lang.c: Don't override
9996         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
9997
9998         * Makefile.in (tree.o): Update dependencies.
9999         (GTFILES): Remove langhooks.c.
10000
10001 2004-07-05  Roger Sayle  <roger@eyesopen.com>
10002
10003         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
10004         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
10005         Normalize "X % C" as "X % -C" for signed modulus and negative C.
10006         Optimize "X % -Y" as "X % Y" for signed modulus.
10007         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
10008         into "((unsigned) X % Y) == 0".
10009
10010 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
10011
10012         * sourcebuild.texi (Config Fragments): Use @comma{} in
10013         cross-reference to section title.
10014
10015 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10016
10017         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
10018         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
10019         (gimplify_target_expr, gimplify_expr): Likewise.
10020         (copy_if_shared_r): No longer need special case for BIND_EXPR.
10021         (unshare_body, unvisit_body): Only look at nested if BODY_P is
10022         whole function.
10023         (gimplify_compound_lval): See if we can strip any useless conversion.
10024         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
10025         from RHS, not LHS.
10026         (gimplify_modify_expr_to_memset): Likewise.
10027         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
10028         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
10029         (declare_inline_vars): Likewise.
10030         (walk_type_fields): New function.
10031         (walk_tree): Use it.
10032         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
10033
10034         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
10035         (sra_walk_modify_expr): Allow init function to fail.
10036         (scan_init): Now returns bool.
10037         (generate_element_init): If can't understand INIT, return false.
10038         (scalarize_init): Return false if generate_element_init does.
10039
10040         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
10041         print bounds.
10042
10043         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
10044         bounds if bounds aren't constant.
10045
10046         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
10047
10048         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
10049         to type hooks; remove bogus PARAMS.
10050
10051 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
10052
10053         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
10054         * dwarf2out.c (add_data_member_location_attribute): Check for
10055         TREE_BINFO.
10056         * tree.c (tree_node_kinds): Add "binfos".
10057         (binfo_lang_slots): New.
10058         (make_node_stat): Add TREE_BINFO.
10059         (make_tree_binfo_stat): New.
10060         (tree_node_structure): Add TREE_BINFO.
10061         * tree.def (TREE_BINFO): New.
10062         * tree.h (REC_OR_UNION_CHECK): Rename to ...
10063         (RECORD_OR_UNION_CHECK): ... here.
10064         (NOT_RECORD_OR_UNION_CHECK): New.
10065         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
10066         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
10067         RECORD_OR_UNION_CHECK.
10068         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
10069         (TYPE_LANG_SLOT_1): New.
10070         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
10071         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
10072         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
10073         (BINFO_ELTS): Remove.
10074         (BINFO_LANG_SLOT): New.
10075         (struct tree_binfo): New.
10076         (binfo_lang_slots): Declare.
10077         (enum tree_node_structure_enum): Add TS_BINFO.
10078         (union tree_node): Add binfo.
10079         (make_tree_binfo_stat): Declare.
10080         (make_tree_binfo): New.
10081         (enum tree_node_kind): Add binfo_kind.
10082
10083         * objc/objc-act.c (start_class, objc_declare_protocols,
10084         start_protocols): Use TYPE_LANG_SLOT_1.
10085         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
10086         to ...
10087         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
10088         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
10089         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
10090         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
10091
10092 2004-07-05  Steven Bosscher  <stevenb@suse.de>
10093
10094         * rtl.h (struct rtx_def): Remove the integrated flag.
10095         Use the return_val flag for MEM_SCALAR_P.
10096         Reshuffle and update flags in CLEAR_RTX_FLAGS.
10097
10098 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
10099
10100         PR target/16357
10101         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
10102         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
10103         move_by_pieces.
10104
10105 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
10106
10107         * var-tracking.c: Fix some comments.
10108         (frame_stack_adjust): New.
10109         (vt_stack_adjustments): Init stack_adjust of entry block to
10110         minus stack adjustment of function prologue.
10111         (adjust_stack_reference): Do not adjust if adjustment == 0.
10112         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
10113         (emit_notes_in_bb): Likewise.
10114         (vt_add_function_parameters): Do not adjust locations of
10115         function arguments.
10116         (vt_initialize): Compute the stack adjustment of function
10117         prologue and offset the initial "location" of frame_base_decl
10118         from the stack pointer after prologue.
10119
10120 2004-07-04  Richard Henderson  <rth@redhat.com>
10121
10122         * function.c (struct assign_parm_data_all): New.
10123         (struct assign_parm_data_one): New.
10124         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
10125         assign_parm_find_data_types, assign_parms_setup_varargs,
10126         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
10127         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
10128         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
10129         assign_parm_setup_block, assign_parm_setup_reg,
10130         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
10131         (assign_parms): ... here.
10132
10133 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
10134
10135         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
10136         now are bitmap_set_t's.
10137         (bitmap_insert_into_set): No point in inserting the value if
10138         it's invariant.
10139         (bitmap_set_contains): New function.
10140         (bitmap_set_replace_value): Add comment on why we do it
10141         this way.
10142         (set_contains): Removed.
10143         (bitmap_set_subtract_from_value_set): New name of
10144         set_subtract now that it's arguments are two different
10145         types of sets.
10146         Update callers.
10147         (bitmap_find_leader): Change algorithm used.
10148         (find_or_generate_expression): Update use of functions for new
10149         bitmap sets.
10150         (create_expression_by_pieces): Ditto.
10151         (insert_aux): Ditto.
10152         (insert): Ditto.
10153         (add_to_sets): Ditto.
10154         (init_pre): Ditto.
10155         (execute_pre): Ditto.
10156         (compute_avail): Ditto.
10157         Also ignore virtual phis.
10158
10159 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
10160
10161         * combine.c (simplify_comparison): Fix comment typo.
10162
10163 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10164
10165         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
10166         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
10167         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
10168         (output_restore): Change parameter from 'insn' to 'pat'.
10169         (output_return): Adjust call to output_restore.
10170         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
10171         Adjust call to output_restore.
10172
10173 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
10174
10175         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
10176         and assert system is bsd.
10177
10178 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
10179
10180         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
10181         (TARGET_SWITCHES): Remove -mdebugc.
10182         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
10183         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
10184         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
10185         (sle_[sd]i_reg): Delete.
10186
10187 2004-07-04  Steven Bosscher  <stevenb@suse.de>
10188
10189         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
10190         Define.
10191         * config/iq2000/iq2000.md: Translate old pipeline description to an
10192         equivalent new one.
10193
10194 2004-07-04  Roger Sayle  <roger@eyesopen.com>
10195
10196         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
10197         Ensure the replacement rhs is valid gimple before performing
10198         the substitution.  Return false if these sanity checks fail.
10199         (fold_stmt): Only set changed to true, if set_rhs returns true.
10200         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
10201         succeeds.
10202
10203 2004-07-04  Richard Henderson  <rth@redhat.com>
10204
10205         PR c/16348
10206         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
10207
10208 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
10209
10210         * configure.ac (ranlib_flags): New variable.
10211         * Makefile.in (RANLIB_FLAGS): New variable.
10212         (libbackend.a): Use it.
10213         * configure: Regenerated.
10214
10215 2004-07-04  Roger Sayle  <roger@eyesopen.com>
10216
10217         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
10218         a "sign mask" instead of using ashr_optab directly.
10219
10220 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
10221
10222         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
10223         * doc/cppopts.texi: Clarify processing of command-line defines.
10224
10225 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
10226
10227         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
10228
10229 2004-07-04  Richard Henderson  <rth@redhat.com>
10230
10231         * rtl.def (ADDRESSOF): Remove.
10232         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
10233         (find_base_term, memrefs_conflict_p): Likewise.
10234         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
10235         (fold_rtx, cse_insn, set_live_p): Likewise.
10236         * dwarf2out.c (mem_loc_descriptor): Likewise.
10237         (add_location_or_const_value_attribute): Likewise.
10238         * emit-rtl.c (copy_insn_1): Likewise.
10239         * explow.c (memory_address): Likewise.
10240         * expmed.c (store_split_bit_field): Likewise.
10241         * expr.c (expand_expr_real_1): Likewise.
10242         * function.c (instantiate_decl
10243         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
10244         * genrecog.c (preds, validate_pattern): Likewise.
10245         * integrate.c (copy_rtx_and_substitute): Likewise.
10246         * recog.c (general_operand, register_operand): Likewise.
10247         (memory_address_p): Likwise.
10248         * reload1.c (eliminate_regs, elimination_effects): Likewise.
10249         * rtl.c (copy_rtx): Likewise.
10250         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
10251         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
10252         * rtlhooks.c (gen_lowpart_general): Likewise.
10253         * stmt.c (expand_asm_operands): Likewise.
10254         * web.c (entry_register, replace_ref, web_main): Likewise.
10255         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
10256         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
10257         * config/arm/arm.c (thumb_rtx_costs): Likewise.
10258         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
10259         * config/frv/frv.c (move_destination_operand, move_source_operand,
10260         condexec_dest_operand, condexec_source_operand,
10261         condexec_memory_operand): Likewise.
10262         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
10263         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
10264         (destination_xfmode_operand): Likewise.
10265         * config/mips/mips.h (PREDICATE_CODES): Likewise.
10266         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
10267         * config/s390/s390.c (general_s_operand): Likewise.
10268         * config/s390/s390.md (mov*): Likewise.
10269         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
10270
10271         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
10272         * expr.c (expand_expr_real_1): Likewise.
10273         * stmt.c (expand_decl): Likewise.
10274         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
10275
10276         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
10277         postponed_insns, put_var_into_stack, put_reg_into_stack,
10278         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
10279         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
10280         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
10281         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
10282         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
10283         purge_bitfield_addressof_replacements, purge_addressof_replacements,
10284         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
10285         struct insns_for_mem_walk_info, insns_for_mem_walk,
10286         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
10287         setjmp_protect_args): Remove.
10288         (push_function_context_to): Don't handle var_refs_queue.
10289         (pop_function_context_from, free_after_compilation): Likewise.
10290         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
10291         (assign_parms, allocate_struct_function): Likewise.
10292         (use_register_for_decl): New.
10293         (expand_function_end): Don't setjmp_protect.
10294         * function.h (struct emit_status): Update commentary.
10295         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
10296         (max_parm_reg, parm_reg_stack_loc): Remove.
10297         * passes.c (DFI_addressof): Remove.
10298         (dump_file_info): Remove addressof.
10299         (rest_of_handle_addressof): Remove.
10300         (rest_of_compilation): Don't call it.
10301         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
10302         * stmt.c (expand_decl): Use use_register_for_decl.
10303         * tree.h: Update decls.
10304         * web.c (mark_addressof): Remove.
10305         * doc/invoke.texi (-dF): Remove.
10306
10307 2004-07-03  Richard Henderson  <rth@redhat.com>
10308
10309         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
10310         instead of gen_mem_addressof.
10311         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
10312         TImode output register.
10313
10314 2004-07-03  Richard Henderson  <rth@redhat.com>
10315
10316         PR tree-optimization/16341
10317         * tree-sra.c (sra_walk_function): Increment to next stmt before
10318         processing the current stmt.
10319         (sra_insert_after): Always use BSI_SAME_STMT.
10320
10321 2004-07-03  Richard Henderson  <rth@redhat.com>
10322
10323         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
10324         fp plus with minus.
10325
10326 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
10327
10328         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
10329         with tree_int_cst_equal.
10330
10331 2004-07-03  Andreas Schwab  <schwab@suse.de>
10332
10333         * config/ia64/ia64.md: Define new attribute "empty".
10334         (prologue_use, nop_x, insn_group_barrier): Set it.
10335
10336         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
10337         skip over "empty" insns.
10338
10339 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10340
10341         * tree-inline.c (initialize_inlined_parameters): Pass proper function
10342         context to gimplify_body.
10343         (walk_tree): Don't walk into types twice.
10344         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
10345
10346         * tree-sra.c (generate_element_init): Remove any useless conversions.
10347
10348         * gimplify.c (gimplify_conversion): Remove stripping useless
10349         conversions from here.
10350         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
10351         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
10352         Unshare before substituting PLACEHOLDER_EXPR.
10353         (gimplify_modify_expr_to_memset): Likewise.
10354         Pass address of TO to memset, not TO itself.
10355         (gimplify_init_constructor): Make copy of OBJECT so we have it each
10356         time we make an expression (to match a PLACEHOLDER_EXPR).
10357
10358         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
10359         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
10360         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
10361         * tree-ssa-dom.c (local_fold): Likewise.
10362
10363         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
10364         * langhooks.h (strct lang_hooks): New field type_max_size.
10365         * function.c (assign_temp): Call it.
10366
10367 2004-07-03  Steven Bosscher  <stevenb@suse.de>
10368
10369         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
10370         * config/sh/sh.md: Convert the SH1 pipeline description to
10371         a DFA model.
10372
10373 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
10374
10375         * c-decl.c (struct c_binding): Remove contour field; add
10376         depth, invisible, nested fields.
10377         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
10378         (B_IN_EXTERNAL_SCOPE): New convenience macros.
10379         (bind): Add invisible and nested arguments. Initialize
10380         new fields of struct c_binding; adjust loop scanning for
10381         insertion point.
10382         (free_binding_and_advance): Clear structure with memset.
10383         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
10384         in file scope, even if it's in external scope too.
10385         (pushdecl): Adjust to match.  Create invisible file-scope
10386         declarations for block-scope forward declarations of static functions.
10387         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
10388         (undeclared_variable, lookup_label, declare_label, define_label)
10389         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
10390         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
10391         (store_parm_decls_oldstyle): Adjust to match.
10392         (diagnose_mismatched_decls): Correct handling of linkage clashes.
10393         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
10394
10395         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
10396         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
10397
10398 2004-07-02  Richard Henderson  <rth@redhat.com>
10399
10400         * c-decl.c (grokdeclarator): Don't frob current_function_decl
10401         around variable_size.
10402         (set_decl_nonlocal): Remove.
10403         (store_parm_decls): Add stmts for pending sizes.
10404         * calls.c (calls_function, calls_function_1): Remove.
10405         (precompute_arguments): Don't call it.
10406         * cfgexpand.c (set_save_expr_context): Remove.
10407         (tree_expand_cfg): Don't call it.
10408         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
10409         (dwarf2out_finish): Likewise.
10410         * expr.c (emit_block_move): Adjust addresses to BLKmode.
10411         (store_constructor): Don't pre-evaluate SAVE_EXPR.
10412         (safe_from_p): Don't queue SAVE_EXPRs.
10413         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
10414         or build plain VAR_DECLs.
10415         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
10416         (fold): Likewise.
10417         (fold_checksum_tree): Don't special-case SAVE_EXPR.
10418         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
10419         (put_var_into_stack): Don't handle SAVE_EXPR.
10420         (gen_mem_addressof): Likewise.
10421         * function.h (struct function): Remove x_save_expr_regs.
10422         (save_expr_regs): Remove.
10423         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
10424         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
10425         * stor-layout.c (variable_size): Don't set it.
10426         (force_type_save_exprs, force_type_save_exprs_1): Remove.
10427         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
10428         all callers.  Don't set SAVE_EXPR_CONTEXT.
10429         * tree-inline.h (remap_save_expr): Update decl.
10430         * tree.c (save_expr): Update build size.
10431         (first_rtl_op): Don't handle SAVE_EXPR.
10432         (unsave_expr_1, contains_placeholder_p): Likewise.
10433         (decl_function_context): Likewise.
10434         * tree.def (SAVE_EXPR): Remove args 1 and 2.
10435         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
10436         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
10437
10438 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
10439
10440         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
10441         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
10442         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
10443         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
10444         some first-person references and patronizing comments.  Based on
10445         printed manual.
10446         * doc/invoke.texi: Don't reference fortran@gnu.org.
10447         * doc/trouble.texi (Warning when a non-void function value is
10448         ignored): Rewrite.  From Russ Allbery and Chris Devers.
10449
10450 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
10451
10452         * tree-ssa-pre.c (bitmap_set_t): New.
10453         (bb_value_sets): avail_out is now a bitmap_set_t.
10454         (bitmap_find_leader): New function.
10455         (bitmap_value_insert_into_set): Ditto.
10456         (bitmap_set_copy): Ditto.
10457         (bitmap_value_replace_in_set): Ditto.
10458         (bitmap_set_contains_value): Ditto.
10459         (bitmap_set_new): Ditto.
10460         (bitmap_set_pool): New pool.
10461         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
10462         (insert_aux): Ditto.
10463         (add_to_sets): Ditto.
10464         (compute_avail): Ditto
10465         (eliminate): Ditto.
10466         (init_pre): Ditto.
10467         (fini_pre): Ditto.
10468         (execute_pre): Ditto.
10469
10470 2004-07-02  Roger Sayle  <roger@eyesopen.com>
10471
10472         * config/rs6000/rs6000.c (struct processor_costs): New structure
10473         used to hold instruction latencies/sizes for processor types.
10474         (rs6000_cost): New global variable pointing to current CPU's costs.
10475         (rs6000_override_options): Initialize rs6000_cost to point to the
10476         appropriate cost table based upon rs6000_cpu and optimize_size.
10477         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
10478         timings inline.
10479
10480 2004-07-02  Richard Henderson  <rth@redhat.com>
10481
10482         * expmed.c (make_tree): Don't use SET_DECL_RTL.
10483
10484 2004-07-02  Steven Bosscher  <stevenb@suse.de>
10485
10486         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
10487
10488 2004-07-01  Richard Henderson  <rth@redhat.com>
10489
10490         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
10491         (alpha_gp_save_rtx): Use assign_stack_local instead of
10492         gen_mem_addressof.
10493
10494 2004-07-01  Richard Henderson  <rth@redhat.com>
10495
10496         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
10497         (alpha_rtx_cost_data): Update to match.
10498         (alpha_rtx_cost_size): New.
10499         (alpha_rtx_costs): Honor optimize_size.
10500
10501 2004-07-01  Richard Henderson  <rth@redhat.com>
10502
10503         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
10504         * cfgexpand.c (tree_expand_cfg): Do it here.
10505         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
10506         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
10507         * config/mips/mips.c (mips_output_mi_thunk): And here.
10508         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
10509         * config/sh/sh.c (sh_output_mi_thunk): And here.
10510         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
10511
10512 2004-07-01  Richard Henderson  <rth@redhat.com>
10513
10514         * tree.def (RTL_EXPR): Remove.
10515         * c-typeck.c (lvalue_p): Don't handle it.
10516         * expr.c (safe_from_p): Likewise.
10517         (expand_expr_real_1): Likewise.
10518         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
10519         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
10520         * gengtype.c (adjust_field_tree_exp): Likewise.
10521         * stmt.c (warn_if_unused_value): Likewise.
10522         * tree-gimple.c (recalculate_side_effects): Likewise.
10523         * tree-pretty-print.c (dump_generic_node): Likewise.
10524         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
10525         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
10526         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
10527
10528         * stmt.c (struct stmt_status): Remove x_last_expr_type,
10529         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
10530         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
10531         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
10532         all the bits that tracked last_expr.
10533         (expand_end_bindings): Don't track last_expr.
10534         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
10535         (clear_last_expr): Remove.
10536         (expand_asm): Don't call it.
10537         (expand_asm_operands, expand_end_cond): Likewise.
10538         (expand_naked_return, expand_null_return_1): Likewise.
10539         * c-typeck.c (c_begin_compound_stmt): Likewise.
10540         * cfgexpand.c (expand_block): Use expand_expr_stmt.
10541         * expr.c (expand_expr_real_1): Likewise.
10542         * tree.h: Update prototypes.
10543
10544         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
10545         (struct emit_status): Remove sequence_rtl_expr.
10546         (struct function): Remove x_rtl_expr_chain.
10547         (seq_rtl_expr, rtl_expr_chain): Remove.
10548         * function.c (struct temp_slot): Remove rtl_expr.
10549         (assign_stack_temp_for_type): Don't set it.
10550         (free_temp_slots, pop_temp_slots): Don't check it.
10551         (free_after_compilation): Don't clear x_rtl_expr_chain.
10552         (fixup_var_refs): Don't search it.
10553         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
10554         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
10555         or seq_rtl_expr.
10556         (push_topmost_sequence): Likewise.
10557         (end_sequence, init_emit): Likewise.
10558         (start_sequence_for_rtl_expr): Remove.
10559         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
10560         * rtl.h (preserve_rtl_expr_result): Remove.
10561
10562 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
10563
10564         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
10565         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
10566         typos.
10567
10568 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
10569
10570         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
10571         (STANDARD_STARTFILE_PREFIX_2): Define.
10572         (standard_startfile_prefix_1): Initialize to
10573         STANDARD_STARTFILE_PREFIX_1.
10574         (standard_startfile_prefix_2): Initialize to
10575         STANDARD_STARTFILE_PREFIX_2.
10576         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
10577         (STANDARD_STARTFILE_PREFIX_1): Define.
10578         (STANDARD_STARTFILE_PREFIX_2): Define.
10579         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
10580         (STANDARD_STARTFILE_PREFIX_2): Document.
10581
10582 2004-07-01  Richard Henderson  <rth@redhat.com>
10583
10584         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
10585         in order to disable scalarization.  Instead set a flag and wait
10586         for a candidate decl.
10587
10588 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
10589
10590         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
10591         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
10592         Use terminology "testsuite" and "enumerated".
10593
10594 2004-07-01  Richard Henderson  <rth@redhat.com>
10595
10596         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
10597         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
10598         (initial_return_save): Likewise.
10599         (flush_queued_reg_saves): Remap register numbers.
10600         (dwarf2out_return_reg): Likewise.
10601
10602 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10603
10604         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
10605
10606         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
10607         access functions for lower bound and element size and only output
10608         if lower bound nonzero or element size not same as that of type.
10609         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
10610
10611 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
10612
10613         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
10614
10615 2004-07-01  Per Bothner  <per@bothner.com>
10616
10617         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
10618
10619 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
10620
10621         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
10622         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
10623         first operand.  Don't optimize if the bitfield is volatile.
10624
10625 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
10626
10627         * c-pretty-print.c (pp_c_postfix_expression): Handle
10628         floating-point comparison operators.
10629         (pp_c_expression): Pass floating-point comparison
10630         operators to pp_c_postfix_expression.
10631
10632 2004-07-01  Roger Sayle  <roger@eyesopen.com>
10633
10634         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
10635         rtx_cost instead of "had_mult" to determine whether the transformed
10636         expression is cheaper than the original.
10637
10638 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
10639
10640         * alias.c (get_alias_set, canon_rtx, get_addr,
10641         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
10642         Use MEM_P.
10643         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
10644         expand_builtin): Likewise.
10645         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
10646         Likewise.
10647         * combine.c (can_combine_p, combinable_i3pat, try_combine,
10648         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
10649         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
10650         record_dead_and_set_regs_1, get_last_value_validate,
10651         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
10652         * cse.c (check_dependence, canon_hash, equiv_constant,
10653         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
10654         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
10655         count_reg_usage): Likewise.
10656         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
10657         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
10658         cselib_record_sets): Likewise.
10659         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
10660         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
10661         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
10662         * df.c (df_uses_record): Likewise.
10663         * dojump (do_jump): Likewise.
10664         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
10665         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
10666         decl_start_label): Likewise.
10667         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
10668         operand_subword, change_address_1, make_safe_from): Likewise.
10669         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
10670         stabilize, force_not_mem): Likewise.
10671         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
10672         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
10673         * expr.c (convert_move, convert_modes, emit_block_move,
10674         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
10675         emit_move_insn_1, expand_assignment, store_expr,
10676         store_constructor_field, store_constructor, store_field,
10677         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
10678         Likewise.
10679         * final.c (cleanup_subreg_operands, alter_subreg,
10680         get_mem_expr_from_op): Likewise.
10681         * flow.c (notice_stack_pointer_modification_1,
10682         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
10683         Likewise.
10684         * function.c (mark_temp_addr_taken, preserve_temp_slots,
10685         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
10686         optimize_bit_field, flush_addressof, purge_addressof_1,
10687         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
10688         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
10689         keep_stack_depressed): Likewise.
10690         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
10691         noce_process_if_block, find_memory): Likewise.
10692         * integrate.c (subst_constants, allocate_initial_values): Likewise.
10693         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
10694         update_equiv_regs): Likewise.
10695         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
10696         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
10697         * optabs.c (expand_abs, emit_unop_insn): Likewise.
10698         * passes.c (rest_of_handle_final): Likewise.
10699         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
10700         move2add_note_store): Likewise.
10701         * ra-build.c (detect_remat_webs): Likewise.
10702         * ra-debug.c (dump_static_insn_cost): Likewise.
10703         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
10704         * recog.c (validate_change, apply_change_group, cancel_changes,
10705         validate_replace_rtx_1, general_operand, register_operand,
10706         nonmemory_operand, push_operand, pop_operand, memory_operand,
10707         indirect_operand, asm_operand_ok, offsettable_memref_p,
10708         offsettable_nonstrict_memref_p, constrain_operands,
10709         store_data_bypass_p): Likewise.
10710         * reg-stack.c (subst_stack_regs_pat): Likewise.
10711         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
10712         copy_cost, reg_scan_mark_refs): Likewise.
10713         * regmove.c (optimize_reg_copy_3, stack_memref_p,
10714         combine_stack_adjustments_for_block): Likewise.
10715         * regrename.c (copyprop_hardreg_forward_1): Likewise.
10716         * reload.c (can_reload_into, push_reload, decompose, immune_p,
10717         find_reloads, find_reloads_address, find_reloads_address_1,
10718         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
10719         find_equiv_reg): Likewise.
10720         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
10721         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
10722         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
10723         delete_address_reloads): Likewise.
10724         * resource.c (mark_referenced_resources): Likewise.
10725         * rtlanal.c (get_jump_table_offset, count_occurrences,
10726         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
10727         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
10728         num_sign_bit_copies1): Likewise.
10729         * rtlhooks.c (gen_lowpart_general): Likewise.
10730         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
10731         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
10732         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
10733         sdbout_global_decl): Likewise.
10734         * simplify-rtx.c (simplify_subreg): Likewise.
10735         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
10736         expand_anon_union_decl, expand_end_case_type): Likewise.
10737         * unroll.c (calculate_giv_inc): Likewise.
10738         * var-tracking.c (stack_adjust_offset_pre_post,
10739         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
10740         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
10741         vt_add_function_parameters): Likewise.
10742         * varasm.c (make_var_volatile, notice_global_symbol,
10743         assemble_external, decode_addr_const, mark_weak,
10744         default_encode_section_info): Likewise.
10745
10746 2004-07-01  Steven Bosscher  <stevenb@suse.de>
10747
10748         * stmt.c (check_seenlabel): Remove.
10749         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
10750
10751 2004-07-01  Richard Henderson  <rth@redhat.com>
10752
10753         * function.h (struct function): Remove x_function_call_count.
10754         (function_call_count): Remove.
10755         * calls.c (expand_call): Don't set it.
10756         * integrate.c (copy_rtx_and_substitute): Likewise.
10757
10758         * function.h (struct function): Remove x_cleanup_label.
10759         (cleanup_label): Remove.
10760         * stmt.c (expand_value_return): Don't use it.
10761         * function.c (free_after_compilation): Don't set it.
10762         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
10763         * cfgexpand.c (tree_expand_cfg): Update call.
10764         * tree.h (expand_function_start): Update decl.
10765
10766 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
10767
10768         PR c/1027
10769         * c-lang.c (c_initialize_diagnostics): Move from here ...
10770         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
10771         (c_tree_printer): Use pretty-printer to format %T.
10772         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
10773         before '*' if not C++.
10774         (pp_c_direct_abstract_declarator): Don't try to print array upper
10775         bound for flexible array members.
10776         * c-tree.h: Include "diagnostic.h".
10777         (c_initialize_diagnostics): Declare.
10778         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
10779         * c-format.c (format_type_warning): New function.  Improve
10780         diagnostics for incorrect format argument types.
10781         (check_format_types): Use it.  Add two parameters.  Use the
10782         TYPE_MAIN_VARIANT of wanted_type.
10783         (check_format_info_main): Pass new parameters to
10784         check_format_types.
10785         (struct format_wanted_type): Update comment.
10786
10787 2004-07-01  Nick Clifton  <nickc@redhat.com>
10788
10789         * target.h (struct gcc_target): Add new field to struct cxx:
10790         import_export_class.
10791         * target-def.h (TARGET_CXX): Initialise the new field.
10792         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
10793         the new field.
10794         * doc/tm.texi: Document the new target hook.
10795
10796 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
10797
10798         * builtins.c (fold_builtin_classify): Fix typo.
10799
10800 2004-07-01  Richard Henderson  <rth@redhat.com>
10801
10802         * function.c (identify_blocks, identify_blocks_1): Remove.
10803         * function.h (identify_blocks): Remove.
10804         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
10805
10806 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
10807
10808         * builtins.c (fold_builtin_classify): New.
10809         (fold_builtin_unordered_cmp): Fix commentary.
10810         (fold_builtin): Use it.
10811         * builtins.def: Define builtins for isnan,
10812         isnanf, isnanl, finite, finitef, finitel,
10813         isinf, isinff, isinfl.
10814
10815 2004-07-01  Richard Henderson  <rth@redhat.com>
10816
10817         * function.h (struct function): Remove dont_emit_block_notes.
10818         * gimple-low.c (lower_function_body): Don't set it.
10819         * cfgexpand.c (expand_block): Don't check it.
10820         * cfglayout.c (insn_locators_initialize): Likewise.
10821         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
10822         * passes.c (rest_of_compilation): Likewise.
10823         * stmt.c (expand_start_bindings_and_block): Likewise.
10824         (expand_end_bindings): Likewise.
10825
10826 2004-07-01  Richard Henderson  <rth@redhat.com>
10827
10828         * cgraph.h (cgraph_build_static_cdtor): Declare.
10829         * cgraphunit.c (cgraph_build_static_cdtor): New.
10830         * c-objc-common.c (build_cdtor): Use it.
10831         * coverage.c (create_coverage): Likewise.
10832         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
10833         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
10834
10835 See ChangeLog.11 for earlier changes.