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1 2004-07-14  Per Bothner  <per@bothner.com>
2
3         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
4         instead of EXPR_LOCUS in a boolean context, which is always true
5         if --enable-mapped-location.
6         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
7
8 2004-07-14  Richard Henderson  <rth@redhat.com>
9
10         * dominance.c (struct dom_info): Add fake_exit_edge.
11         (init_dom_info): Allocate it.
12         (free_dom_info): Free it.
13         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
14         in two passes.
15         (calc_idoms): Honor fake_exit_edge.
16
17 2004-07-13  Jason Merrill  <jason@redhat.com>
18
19         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
20         (rhs_test_for): New fn.
21         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
22         * tree-gimple.h: Declare them.
23         * gimplify.c (gimplify_modify_expr): Use the new fns.
24
25 2004-07-14  Richard Henderson  <rth@redhat.com>
26
27         * config/arm/arm-protos.h (arm_va_arg): Remove.
28         * config/arm/arm.c (arm_va_arg): Remove.
29         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
30         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
31
32 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
33
34         * pa.c (fix_range): New function to mark a range(s) of registers as
35         fixed registers.
36         (override_options): Call fix_range if the -mfixed-range option string
37         is not empty.
38         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
39         * doc/invoke.texi (-mfixed-range): Document new option.
40
41 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
42
43         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
44         for TARGET_64BIT.
45         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
46
47 2004-07-14  Roger Sayle  <roger@eyesopen.com>
48
49         * expmed.c (expand_sdiv_pow2): New function to expand signed division
50         by a positive power of two, split out from expand_divmod.  Provide
51         an alternate implementation when shifts are expensive.  Lower the
52         threshold for using a branchless implementation to BRANCH_COST >= 2.
53         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
54
55 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
56
57         * tree-dfa.c (make_rename_temp): *Really* work just
58         like create_tmp_var if called while outside SSA form.
59
60 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
61
62         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
63         for division by zero.
64         ("umodsi3"): Likewise.
65
66 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
67
68         * config/mips/mips.c (mips_output_move): When generating mips16 code,
69         force loads of negative constants to be split.
70         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
71         Generalize SImode li/neg splitter to cope with other modes.
72
73 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
74
75         * expmed.c: Remove more references to QUEUED in the comments.
76         * expr.c: Likewise.
77
78 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
79
80         Revert:
81         2004-07-13  Richard Henderson  <rth@redhat.com>
82         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
83         correctly.
84
85 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
86
87         * tree-dfa.c (make_rename_temp): Work just like
88         create_tmp_var if called while outside SSA form.
89
90 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
91
92         * expr.c (enqueue_insn, finish_expr_for_function,
93         protect_from_queue, queued_subexp_p, mark_queue,
94         emit_insns_enqueued_after_mark, emit_queue,
95         expand_increment): Remove.
96         (store_constructor): Expand increment as an assignment.
97         (expand_expr_real_1 <case PREINCREMENT_EXPR,
98         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
99         case POSTDECREMENT_EXPR>): Abort.
100         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
101         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
102         protect_from_queue, emit_queue, queued_subexp_p): Remove.
103         * function.h (pending_chain, x_pending_chain): Remove.
104         * rtl.def (QUEUED): Remove.
105
106         * emit-rtl.c (copy_insn_1, copy_most_rtx,
107         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
108         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
109         encode_units_mask): Likewise.
110         * local-alloc.c (equiv_init_varies_p): Likewise.
111         * rtl.c (copy_rtx): Likewise.
112         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
113         * simplify-rtx.c (simplify_gen_subreg): Likewise.
114         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
115
116         * builtins.c (expand_builtin, expand_builtin_apply,
117         expand_builtin_mathfn, expand_builtin_mathfn_2,
118         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
119         Remove calls to emit_queue and protect_from_queue.
120         * calls.c (expand_call, precompute_arguments,
121         precompute_register_parameters, rtx_for_function_call,
122         store_one_arg): Likewise.
123         * dojump.c (do_compare_and_jump, do_jump): Likewise.
124         * explow.c (memory_address): Likewise.
125         * expmed.c (clear_by_pieces_1, clear_storage,
126         clear_storage_via_libcall, emit_group_load,
127         emit_group_store, emit_store_flag,
128         expand_expr_real_1, store_by_pieces,
129         store_constructor, store_expr, try_casesi,
130         try_tablejump): Likewise.
131         * function.c (expand_pending_sizes): Likewise.
132         * optabs.c (emit_cmp_and_jump_insns,
133         emit_conditional_add, emit_conditional_move,
134         expand_fix, expand_float, prepare_cmp_insn): Likewise.
135         * stmt.c (emit_case_bit_tests,
136         expand_asm_expr, expand_computed_goto,
137         expand_decl_init, expand_end_case_type,
138         expand_end_stmt_expr, expand_expr_stmt_value,
139         expand_return, expand_start_case,
140         optimize_tail_recursion): Likewise.
141         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
142         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
143
144 2004-07-14  Ben Elliston  <bje@au.ibm.com>
145
146         * vec.h: Comment fix.
147
148 2004-07-13  Richard Henderson  <rth@redhat.com>
149
150         * target.h (struct gcc_target): Add calls.pass_by_reference.
151         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
152         * function.c (pass_by_reference): Use the hook.
153         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
154         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
155         (hook_pass_by_reference_must_pass_in_stack): New.
156         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
157         (alpha_pass_by_reference): New.
158         (TARGET_PASS_BY_REFERENCE): New.
159         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
160         * config/arc/arc.c (arc_pass_by_reference): New.
161         (TARGET_PASS_BY_REFERENCE): New.
162         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
163         (FUNCTION_ARG_CALLEE_COPIES): True.
164         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
165         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
166         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
167         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
168         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
169         * config/cris/cris.c (cris_pass_by_reference): New.
170         (TARGET_PASS_BY_REFERENCE): New.
171         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
172         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
173         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
174         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
175         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
176         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
177         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
178         (frv_function_arg_pass_by_reference): Remove.
179         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
180         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
181         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
182         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
183         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
184         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
185         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
186         (ia64_pass_by_reference): Rename from
187         ia64_function_arg_pass_by_reference.
188         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
189         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
190         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
191         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
192         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
193         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
194         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
195         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
196         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
197         (m32r_pass_by_reference): Adjust prototype.  Make static.
198         Handle mode sizes correctly.
199         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
200         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
201         (m68hc11_function_arg_pass_by_reference): Remove.
202         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
203         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
204         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
205         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
206         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
207         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
208         (mips_va_arg): Use pass_by_reference.
209         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
210         Handle mode sizes correctly.
211         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
212         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
213         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
214         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
215         (mmix_pass_by_reference): Rename from
216         mmix_function_arg_pass_by_reference.
217         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
218         (FUNCTION_ARG_CALLEE_COPIES): True.
219         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
220         (mn10300_pass_by_reference): New.
221         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
222         (FUNCTION_ARG_CALLEE_COPIES): True.
223         * config/pa/pa.c (pa_pass_by_reference): New.
224         (TARGET_PASS_BY_REFERENCE): New.
225         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
226         (FUNCTION_ARG_CALLEE_COPIES): True.
227         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
228         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
229         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
230         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
231         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
232         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
233         (s390_pass_by_reference): Rename from
234         s390_function_arg_pass_by_reference.
235         (s390_function_arg_advance): Don't query pass-by-ref.
236         (s390_function_arg): Likewise.
237         (s390_gimplify_va_arg): Use pass_by_reference.
238         (s390_call_saved_register_used): Likewise.
239         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
240         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
241         (shcompact_byref, sh_pass_by_reference): New.
242         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
243         (SHCOMPACT_BYREF): Remove.
244         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
245         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
246         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
247         (sparc_gimplify_va_arg): Use pass_by_reference.
248         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
249         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
250         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
251         (v850_pass_by_reference): New.
252         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
253         (FUNCTION_ARG_CALLEE_COPIES): True.
254         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
255         FUNCTION_ARG_PASS_BY_REFERENCE docs.
256
257 2004-07-14  Richard Henderson  <rth@redhat.com>
258             Richard Sandiford  <rsandifo@redhat.com>
259
260         * config/mips/mips-protos.h (mips_va_arg): Delete.
261         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
262         * config/mips/mips.c: Include tree-gimple.h.
263         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
264         (mips_arg_info): Remove special handling of must_pass_in_stck args.
265         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
266         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
267
268 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
269
270         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
271         arguments for COND_EXPR in big-endian adjustment code.
272
273 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
274
275         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
276         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
277         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
278         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
279
280 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
281
282         PR tree-optimization/16443
283         * tree-ssa-alias.c: Add more description for
284         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
285         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
286         clobbering of call-clobbered and addressable variables.  If
287         there are any before aliases have been computed, add them.
288
289 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
290
291         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
292         verification.
293
294 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
295
296         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
297         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
298         to the same type.
299
300 2004-07-13  Per Bothner  <per@bothner.com>
301
302         * collect2.c (main):  Handle --no-demangle and --demangle flags.
303
304 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
305
306         * Makefile.in (OBJS-common): Add tree-data-ref.o.
307         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
308         (tree-data-ref.o): New rule.
309         * lambda.h: New file.
310         * tree-data-ref.c: New file.
311         * tree-data-ref.h: New file.
312         * tree.c (int_cst_value, tree_fold_gcd): New functions.
313         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
314         
315 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
316
317         PR target/13926
318         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
319         * config/sparc/sparc.c (output_ubranch): New function.
320         * config/sparc/sparc.md (jump pattern): Use it.
321
322 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
323
324         PR target/16494
325         * config/sparc/sparc.c (output_cbranch): Properly guard
326         the code handling far branches with TARGET_V9.
327         * config/sparc/sparc.md (length attribute): Document the
328         side-effect of having a length greater or equal to 3.
329
330 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
331             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
332
333         PR target/15186
334         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
335         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
336
337 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
338             Martin Sebor  <sebor@roguewave.com>
339
340         PR target/12602
341         * doc/invoke.texi (SPARC options): Document -threads
342         and -pthreads on Solaris.
343
344 2004-07-13  Richard Henderson  <rth@redhat.com>
345
346         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
347         by reference.
348         (ind_gimplify_va_arg_expr): Remove.
349         * tree.h (ind_gimplify_va_arg_expr): Remove.
350         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
351         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
352         argsp to be null.
353
354         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
355         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
356         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
357         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
358         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
359
360 2004-07-13  Richard Henderson  <rth@redhat.com>
361
362         * function.c (pass_by_reference): New.
363         (assign_parm_find_data_types): Use it.
364         * calls.c (initialize_argument_information): Likewise.
365         (emit_library_call_value_1): Likewise.
366         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
367         * function.h (pass_by_reference): Declare.
368
369 2004-07-13  Richard Henderson  <rth@redhat.com>
370
371         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
372         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
373         * expr.h (MUST_PASS_IN_STACK): Remove.
374         * system.h (MUST_PASS_IN_STACK): Poison.
375         * tree.h (must_pass_in_stack_var_size): Declare.
376         (must_pass_in_stack_var_size_or_pad): Declare.
377         * calls.c (must_pass_in_stack_var_size): New.
378         (must_pass_in_stack_var_size_or_pad): Rename from 
379         default_must_pass_in_stack.
380         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
381         (TARGET_MUST_PASS_IN_STACK): New.
382         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
383         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
384         (TARGET_MUST_PASS_IN_STACK): New.
385         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
386         * config/frv/frv.c (frv_must_pass_in_stack): New.
387         (TARGET_MUST_PASS_IN_STACK): New.
388         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
389         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
390         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
391         (ix86_must_pass_in_stack): Make static.
392         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
393         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
394         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
395         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
396         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
397         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
398         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
399         (mcore_must_pass_on_stack): Remove.
400         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
401         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
402         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
403         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
404         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
405         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
406         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
407         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
408         (TARGET_MUST_PASS_IN_STACK): New.
409         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
410         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
411         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
412         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
413         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
414         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
415         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
416         MUST_PASS_IN_STACK.
417
418         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
419         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
420         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
421         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
422         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
423         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
424         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
425         config/xtensa/xtensa.c: Use target hook.
426
427 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
428
429         * configure.ac (gcc_cv_as_offsetable_lo10: Fix a typo.
430         * configure: Rebuilt.
431
432 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
433
434         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
435         * config/mips/mips.h (mips_reg_names): Don't declare.
436         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
437         (TARGET_NAME_REGS): Delete.
438         (TARGET_SWITCHES): Remove -mrnames.
439         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
440         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
441         in REGISTER_NAMES.
442         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
443         (override_options): Remove handling of TARGET_NAME_REGS.
444
445 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
446
447         * config/mips/mips.h (TARGET_*): Boolify.
448
449 2004-07-12  Nick Clifton  <nickc@redhat.com>
450
451         * config.gcc: Add sh-*-symbianelf target.
452         * config/sh/sh.c: Add new target macros:
453         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
454         TARGET_CXX_IMPORT_EXPORT_CLASS.
455         (sh_file_start): Create a definition of the .directive section.
456         (sh_attribute): Add dllimport and dllexport attributes.
457         * config/sh/symbian-pre.h: New file.
458         * config/sh/symbian-post.h: New file.
459         * config/sh/symbian.c: New file. Contains Symbian specific
460         functions.
461         * config/sh/sh-protos.h: Add prototypes for new functions
462         provided by symbian.c.
463         * config/sh/t-symbian: New file.
464         * doc/extend.texi: Document support for dllimport and dllexport
465         attributes by the sh-symbianelf target.
466
467 2004-07-12  James E Wilson  <wilson@specifixinc.com>
468
469         * Makefile.in (AR): Use @AR@ not ar.
470         (NM): New.
471         (AR_FOR_TARGET): Use $(AR) not ar for native.
472         (NM_FOR_TARGET): Use $(NM) not nm for native.
473         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
474         * configure: Regenerate.
475         
476 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
477
478         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
479         special case.
480         (ashldi3_sp64): Likewise.
481
482 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
483
484         PR target/16477
485         * pa.c (function_arg): Update comment.
486         * pa.h (BLOCK_REG_PADDING): Define.
487
488 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
489
490         PR tree-optimization/16461
491         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
492         arguments of phi nodes.
493
494 2004-07-12  Devang Patel  <dpatel@apple.com>
495
496         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
497         
498 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
499
500         * function.c (expand_function_start): Ensure r_save is in Pmode.
501         * calls.c (prepare_call_address): Ensure static_chain_value is
502         in Pmode.
503         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
504         r_save_area are in Pmode.
505         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
506         fnaddr, and static_chain are in Pmode.
507
508 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
509
510         PR target/16445
511         * config/ia64/ia64.c (bundling): Don't count ignored insns.
512
513 2004-07-12  Richard Henderson  <rth@redhat.com>
514
515         * target.h (struct gcc_target): Move gimplify_va_arg_expr
516         next to build_builtin_va_list.
517         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
518         * builtins.c (gimplify_va_arg_expr): Likewise.
519         * gimplify.c (copy_if_shared_r): Likewise.
520
521 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
522
523         * passes.c (rest_of_decl_compilation): Don't defer call of
524         assemble_variable if its DECL_RTL is already set.
525
526 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
527
528         * cfgloop.h (struct loop): Add nb_iterations field.
529         (current_loops): Declare.  
530         * tree-chrec.c (chrec_not_analyzed_yet,
531         chrec_dont_know, chrec_known, count_ev_in_wider_type,
532         chrec_contains_symbols_defined_in_loop): Remove the temporary
533         hooks. 
534         * tree-flow-inline.h (loop_containing_stmt): New function.
535         * tree-scalar-evolution.c: Add implementation.
536         * tree-scalar-evolution.h: Add declarations.
537
538 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
539
540         PR rtl-optimization/15921
541         * Makefile.in (global.o): Add recog.h.
542         
543         * global.c (recog.h): Add the include-clause.
544         (bb_info): New member earlyclobber.
545         (allocate_bb_info, free_bb_info): Initialize/finish the new
546         member.
547         (earlyclobber_regclass, earlyclobber_regclass_length): The new
548         global variables.
549         (check_earlyclobber, regclass_intersect,
550         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
551         New functions.
552         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
553         (make_accurate_live_analysis): Modify pavin.
554         
555 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
556
557         * tree-cfg.c (find_taken_edge): Statically compute the truth
558         value of a predicate comparing an SSA_NAME to itself.
559
560 2004-07-12  Roger Sayle  <roger@eyesopen.com>
561
562         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
563         rs6000 doesn't have shift-and-add or shift-and-sub instructions
564         by returning the cost of a multiplication plus an addition.
565
566 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
567
568         PR tree-optimization/14107
569         * gimplify.c (gimplify_return_expr): Accept a
570         RETURN_EXPR with an error argument.
571         * tree-optimize.c (init_tree_optimization_passes):
572         Run pass_warn_function_return at -O0.
573
574 2004-07-12  Roger Sayle  <roger@eyesopen.com>
575
576         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
577         index entry.
578
579 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
580
581         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
582         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
583         * config/mips/3000.md: Add copyright notice.  Remove automota and
584         function units; use generic ones instead.  Only define reservations
585         for things that are different from generic.md.  Extend each clause
586         to include r3900.
587         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
588         * config/mips/mips.md: Include them. Remove define_function_units.
589         (alu, imuldiv): New automata and units.
590
591 2004-07-12  Ben Elliston  <bje@au.ibm.com>
592
593         * doc/invoke.texi (Optimize Options): Document -frename-registers
594         not being enabled by default at -O3.
595
596 2004-07-11  Roger Sayle  <roger@eyesopen.com>
597
598         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
599         floating point additions, to keep real immediate constant positive.
600         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
601         into X + C, and leave positive real constants as X - C.
602
603 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
604
605         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
606
607 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
608
609         PR tree-optimization/15654
610         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
611
612 2004-07-11  Roger Sayle  <roger@eyesopen.com>
613
614         * builtins.c (fold_builtin_fputs): Don't bother converting the
615         return type to integer_type_node, as we've already checked that
616         the result will be ignored.
617
618         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
619         that signed addition, subtraction, multiplication, division,
620         remainder, negation and absolute value may potentially trap.
621
622         * fold-const.c (fold_ignored_result): New function to strip
623         non-side-effecting tree nodes from an expression whose result
624         is ignored.
625         (fold_convert): Call fold_ignored_result when casting a value
626         to VOID_TYPE.
627         (omit_one_operand):  Call fold_ignored_result on the "omitted"
628         operand when building a COMPOUND_EXPR.
629         (pedantic_omit_one_operand): Likewise.
630         * tree.h (fold_ignored_result): Prototype here.
631         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
632         when we're going to ignore the result.
633
634 2004-07-11  Richard Henderson  <rth@redhat.com>
635
636         PR tree-opt/16383
637         * tree-ssa-ccp.c (fold_stmt_r): Split out...
638         * tree.c (fields_compatible_p, find_compatible_field): ... new.
639         * tree.h (fields_compatible_p, find_compatible_field): Declare.
640         * tree-sra.c (sra_hash_tree): Hash fields by offset.
641         (sra_elt_eq): Use fields_compatible_p.
642         (generate_one_element_ref): Use find_compatible_field.
643
644 2004-07-11  Richard Henderson  <rth@redhat.com>
645
646         PR tree-opt/16422
647         * tree-sra.c (generate_one_element_init): New.
648         (generate_element_init): Use it.
649         (scalarize_init): Push/pop gimplify context around it.
650         (find_new_referenced_vars_1, find_new_referenced_vars): New.
651         * gimplify.c (gimplify_expr): Allow SSA_NAME.
652
653 2004-07-11  Roger Sayle  <roger@eyesopen.com>
654
655         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
656         combine.c's combine_insn_cost.
657         * rtl.h (insn_rtx_cost): Prototype here.
658         * combine.c (combine_insn_cost): Delete function.
659         (combine_validate_cost): Update callers of combine_insn_cost to
660         call insn_rtx_cost instead.
661         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
662         requesting the rtx_cost of call and/or jump instructions.
663
664         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
665         rtx_cost directly.  Don't request/use the cost of call or jump
666         instructions.  Return -1 if the cost of any instruction can't be
667         determined (or the BB contains a function call).
668         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
669         -1 (i.e. can't determine the cost of any instruction or the basic
670         block contains a subroutine call).
671         (find_if_case_2): Likewise.
672
673 2004-07-11  Roger Sayle  <roger@eyesopen.com>
674
675         * rs6000.c (struct processor_costs): Change semantics of fields to
676         include the COST_N_INSNS scaling, and update all initializers.
677         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
678         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
679         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
680         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
681
682 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
683
684         * LANGUAGES: Remove obsolete information.
685
686 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
687
688         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and 
689         SIGBUS signal frames, the PSW address points *to* the faulting
690         instruction, not after it.
691
692 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
693
694         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
695         added to TLS symbol addresses.
696
697 2004-07-11  Richard Henderson  <rth@redhat.com>
698
699         * expmed.c (init_expmed): Use stack-local structures for 
700         temporary rtl.  Don't recognize shifts.
701
702 2004-07-11  Richard Henderson  <rth@redhat.com>
703
704         * expr.c (store_expr): Don't fiddle subreg promotion for types
705         with precision smaller than the mode.
706
707 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
708
709         * tree.h (all_types_permanent): Remove.
710
711 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
712
713         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
714         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
715         * langhooks.c (lhd_clear_binding_stack): Remove.
716         * langhooks-def.h (lhd_clear_binding_stack,
717         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
718         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
719         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
720         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
721         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
722         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
723         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
724         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
725         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
726         * tree.h (poplevel): Don't declare.
727         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
728         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
729         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
730         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
731         Remove.
732
733 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
734
735         PR tree-optimization/16437
736         * c-common.c (shorten_compare): Don't mark result of conversion to
737         narrower signed type as overflowing.
738         * fold-const.c (decode_field_reference): Determine whether
739         signedness comes from outer type using precision rather than size.
740
741 2004-07-11  Phil Edwards  <phil@codesourcery.com>
742
743         * configure.ac:  Alphabetize --enable-checking list, add
744         missing valgrind entry.
745         * configure:  Regenerate.
746
747 2004-07-11  Phil Edwards  <phil@codesourcery.com>
748
749         * doc/install.texi (Testing):  Fix syntax in "make check" example.
750
751 2004-07-10  James E Wilson  <wilson@specifixinc.com>
752
753         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
754
755 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
756
757         PR rtl-optimization/16001
758         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
759         niter_expr.
760
761 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
762
763         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
764
765 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
766             James Morrison  <phython@gcc.gnu.org>
767
768         * doc/contrib.texi (Contributors): Add gfortran contributors and
769         fix a couple of typos.
770
771 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
772
773         PR rtl-optimization/15387
774         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
775         to incoming args space correctly.
776
777 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
778
779         * pa.c (output_indirect_call): Only use %r2 as the link register in
780         indirect calls with the long PA 2.0 pc-relative branch.
781
782 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
783
784         * config/i386/i386.c (override_options): Pick a 64-bit CPU
785         for the default tuning if TARGET_64BIT.
786
787 2004-07-10  Richard Henderson  <rth@redhat.com>
788
789         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
790         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
791
792 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
793
794         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
795         * expmed.c (store_bit_field, extract_bit_field): Remove last
796         argument.
797         * builtins.c (expand_builtin_signbit): Adjust callers.
798         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
799         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
800         * ifcvt.c (noce_emit_move_insn): Likewise.
801         * stmt.c (expand_return): Likewise.
802         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
803         store_field, expand_expr_real_1): Likewise.
804
805 2004-07-10  Richard Henderson  <rth@redhat.com>
806
807         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
808
809 2004-07-09  Mike Stump  <mrs@apple.com>
810
811         * config/darwin.c (no_dead_strip): Add.
812         (HAVE_DEAD_STRIP): Add.
813         (darwin_emit_unwind_label): Ensure that we don't dead code strip
814         the .eh label.
815
816 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
817
818         * tree-ssa-loop-im.c: New file.
819         * Makefile.in (tree-ssa-loop-im.o): Add.
820         * cfgloop.c (superloop_at_depth): New function.
821         * cfgloop.h (superloop_at_depth): Declare.
822         * common.opt (ftree-lim): New flag.
823         * expr.c (array_ref_up_bound): New function.
824         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
825         * timevar.def (TV_LIM): New timevar.
826         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
827         computing immediate uses of a phi node.
828         * tree-flow.h (struct tree_ann_common_d): Add aux field.
829         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
830         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
831         * tree-pass.h (pass_lim): Declare.
832         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
833         functions.
834         (pass_lim): New pass structure.
835         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
836         * tree.c (in_array_bounds_p): New function.
837         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
838         (in_array_bounds_p, array_ref_up_bound): Declare.
839         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
840         * doc/passes.texi (tree-ssa-loop-im.c): Document.
841
842 2004-07-09  Richard Henderson  <rth@redhat.com>
843
844         * builtins.c (expand_builtin_stpcpy): Don't modify len.
845
846         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
847         with prejudice.
848
849 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
850
851         * flags.h: Delete redundant prototypes that are being generated
852         in options.h from common.opt.
853         * common.opt: Add in the expository comments formerly in flags.h.
854
855 2004-07-09  Jan Beulich  <jbeulich@novell.com>
856
857         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
858         available for use only when TARGET_MMX/_SSE is set, and check for
859         variable argument function if any register count is non-zero.
860         (function_arg): Correctly suppress repeated warnings for passing SSE
861         vectors are arguments without SSE enabled.
862         (ix86_function_arg_boundary): Without SSE enabled, the use of what
863         would be SSE register modes does no longer influence the alignment.
864
865 2004-07-09  Richard Henderson  <rth@redhat.com>
866
867         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
868         Always align upward to arg boundary.  Use size_in_bytes/round_up.
869         Maintain type-correctness of constants.
870         * stor-layout.c (round_up, round_down): Special-case powers of 2.
871
872 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
873
874         * config/sparc/sparc.c (*_costs): Scale instruction costs
875         by COSTS_N_INSNS.
876         (sparc_rtx_costs): Adjust as appropriate.
877
878 2004-07-09  Jan Beulich  <jbeulich@novell.com>
879
880         * config/i386/mm3dnow.h: New.
881         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
882
883 2004-07-09  Richard Henderson  <rth@redhat.com>
884
885         * simplify-rtx.c (simplify_const_relational_operation): Only
886         look at bounds of scalar integers.
887
888 2004-07-09  Jan Beulich  <jbeulich@novell.com>
889
890         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
891
892 2004-07-09  Andrew Pinski  <apinski@apple.com>
893
894         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
895         always referenced.
896         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
897         UOBJC_METACLASS_decl.
898
899 2004-07-09  James E Wilson  <wilson@specifixinc.com>
900
901         PR target/16364
902         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
903         do return a parallel if hfa_mode == XFmode and mode == TImode.
904
905 2004-07-09  Jan Beulich  <jbeulich@novell.com>
906
907         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
908         permissible for unary plus.
909
910 2004-07-09  Jan Beulich  <jbeulich@novell.com>
911
912         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
913         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
914         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
915         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
916         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
917         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
918         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
919         (BUILTIN_xxxIMAX): New.
920         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
921         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
922         BUILT_IN_PARITYIMAX.
923
924 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
925
926         * config/sparc/sparc.h (processor_costs): Define.
927         (sparc_costs): Declare.
928         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
929         hypersparc_costs, sparclet_costs, ultrasparc_costs,
930         ultrasparc3_costs): New.
931         (sparc_override_options): Set sparc_costs as appropriate.
932         (sparc_rtx_costs): Use sparc_costs instead of messy
933         conditionals.
934         
935 2004-07-09  Steven Bosscher  <stevenb@suse.de>
936
937         * doc/md.texi (Processor pipeline description): Mention that
938         the old pipeline description is deprecated.
939
940         * config/rs6000/7450.md (automaton ppc7450): Split up, move
941         mciu_7450 function unit to...
942         (automaton ppc7450mciu): ...new automaton.
943
944         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
945         (schedule_block): Don't consider inserting bubbles.
946         (sched_init): Don't initialize DFA bubbles.
947         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
948         TARGET_SCHED_DFA_BUBBLE): Remove.
949         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
950         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
951         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
952
953         * stmt.c (conditional_context): Remove prototype.
954         * tree.h (conditional_context): Remove.
955         * tree-cfg.c (pre_insert_on_edge): Remove.
956
957         * c-common.h (c_expand_asm_operands): Remove prototype.
958         * c-typeck.c (c_expand_asm_operands): Remove.
959
960 2004-07-09  Jan Beulich  <jbeulich@novell.com>
961
962         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
963         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
964         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
965         and V8QI are class SSE. All sufficiently small remaining vector modes
966         must be passed in one or two integer registers.
967         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
968         returned in memory.
969         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
970         __builtin_ia32_pmuludq128 have non-uniform argument and return types
971         and must thus be handled explicitly.
972         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
973         MMX and XMM regs.
974         (movv8qi_internal, movv4hi_internal, movv2si_internal,
975         movv2sf_internal): Permit moving between MMX and XMM registers (since
976         MMX areguments and return values are passed in XMM registers).
977         (sse2_umulsidi3): Correct type and mode.
978
979 2004-07-09  Richard Henderson  <rth@redhat.com>
980
981         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
982
983 2004-07-09  Eric Christopher  <echristo@redhat.com>
984
985         * config/rs6000/40x.md: Split into two automatons.
986
987 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
988             Andrew Pinski  <apinski@apple.com>
989
990         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
991         on when we have more than one input file.
992         (c_common_parse_file): Restore loop over all input files.
993         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
994
995         * c-decl.c (set_type_context): New function.
996         (pop_scope): Use it to set context of types.  When we
997         encounter a TYPE_DECL, set the context of the attached type too.
998         (pop_file_scope): Don't call cpp_undef_all here.
999         (diagnose_mismatched_decls): Do not complain about a second
1000         definition of an 'extern inline' function if it's not in the
1001         same translation unit.  Do not complain about inline
1002         declaration after use if the use was in a different
1003         translation unit.
1004         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
1005         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
1006         the external scope.
1007         (pushdecl_top_level): Likewise.
1008         (grokdeclarator): Clarify what is going on with setting
1009         DECL_EXTERNAL on function types, a little.
1010         (c_write_global_declarations): Don't do anything if
1011         -fsyntax-only or errors have been encountered.
1012
1013 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1014
1015         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
1016
1017 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1018
1019         PR target/16459
1020         * pa.c (output_indirect_call): Use %r2 as the link register when
1021         calling $$dyncall with a pc-relative branch.
1022
1023 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
1024
1025         * doc/install.texi (Binaries): Mention OpenPKG.
1026
1027 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
1028
1029         Fix PR tree-optimization/15555
1030         * tree-dfa.c (dump_variable): If the variable is a pointer
1031         SSA_NAME, also dump its points-to information.
1032         * tree-flow.h (struct ptr_info_def): Add field
1033         is_dereferenced.
1034         (dump_points_to_info_for): Declare.
1035         (debug_points_to_info_for): Declare.
1036         * tree-optimize.c (init_tree_optimization_passes): Add a
1037         second alias analysis pass after DOM2.
1038         Move pass_del_pta to a later spot.
1039         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
1040         create a name tags when we find a dereferenced pointer.  Just
1041         mark the pointer dereferenced.
1042         (collect_points_to_info_for): Move code to clear points-to
1043         information to create_name_tags.
1044         (create_name_tags): New function.
1045         (compute_flow_sensitive_aliasing): Call it.
1046         (setup_pointers_and_addressables): Mark type tags for renaming
1047         here instead of ...
1048         (create_memory_tag): ... here.
1049         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
1050         (dump_points_to_info_for): Declare extern.
1051         (debug_points_to_info_for): New function.
1052
1053 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
1054
1055         * config/arc/arc.md: Switch to DFA-based scheduler description.
1056         * config/arc/arc.c: Switch to DFA-based scheduler description.
1057
1058 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1059
1060         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
1061         pointer.
1062
1063 2004-07-09  Richard Henderson  <rth@redhat.com>
1064
1065         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
1066         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1067         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
1068         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1069
1070         * config/v850/v850-protos.h (v850_va_arg): Remove.
1071         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1072         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
1073         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
1074         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
1075         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
1076
1077 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1078
1079         PR target/12133
1080         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
1081         and DImode to use +/-4k offset.
1082
1083 2004-07-09  Richard Henderson  <rth@redhat.com>
1084
1085         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
1086         Remove.
1087         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1088         (xstormy16_gimplify_va_arg_expr): Rewrite from
1089         xstormy16_expand_builtin_va_arg.
1090         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
1091
1092         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
1093         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
1094
1095         * config/sh/sh-protos.h (sh_va_arg): Remove.
1096         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1097         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
1098         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
1099
1100         * config/pa/pa-protos.h (hppa_va_arg): Remove.
1101         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1102         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
1103         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1104
1105         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
1106         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1107         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
1108         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
1109
1110 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1111
1112         * config/sparc/sparc.md (return): Rewrite length formula.
1113         * config/sparc/sparc.c (output_return): Pass 1 as 5th
1114         argument to final_scan_insn when in a delay slot.
1115         (output_sibcall): Likewise.
1116
1117 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1118
1119         * arm.c (arm_cpp_interwork): New variable.
1120         (arm_override_options): Set it if TARGET_INTERWORK was on the command
1121         line.
1122         * arm.h (arm_cpp_interwork): Declare it.
1123         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
1124         __THUMB_INTERWORK__ in the preprocessor.
1125
1126 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
1127
1128         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
1129
1130 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1131
1132         PR target/16416
1133         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
1134         Override default settings to account for -m32 and -m64.
1135
1136 2004-07-08  Randolph Chung  <tausq@debian.org>
1137
1138         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
1139
1140 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
1141
1142         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
1143         before comparing it as such.
1144
1145 2004-07-08  Richard Henderson  <rth@redhat.com>
1146
1147         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
1148         temporary.  Use bit arithmetic to align.
1149
1150 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
1151
1152         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
1153         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
1154         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
1155         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
1156         add_labels_and_missing_jumps, find_jump_block,
1157         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
1158         Likewise.
1159         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
1160         link_btr_uses, move_btr_def): Likewise.
1161         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
1162         expand_builtin_expect_jump): Likewise.
1163         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
1164         * calls.c (expand_call, emit_library_call_value_1): Likewise.
1165         * cfganal.c (forwarder_block_p): Likewise.
1166         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
1167         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
1168         find_bb_boundaries): Likewise.
1169         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1170         merge_blocks_move_predecessor_nojumps,
1171         merge_blocks_move_successor_nojumps, insns_match_p,
1172         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1173         try_optimize_cfg): Likewise.
1174         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
1175         * cfglayout.c (skip_insns_after_block, label_for_bb,
1176         record_effective_endpoints, insn_locators_initialize,
1177         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
1178         * cfgmainloop.c (create_loop_notes): Likewise.
1179         * cfgrtl.c (delete_insn, delete_insn_chain,
1180         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
1181         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
1182         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
1183         redirect_branch_edge, force_nonfallthru_and_redirect,
1184         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
1185         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
1186         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
1187         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
1188         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
1189         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
1190         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
1191         * combine.c (combine_instructions, can_combine_p, try_combine,
1192         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
1193         distribute_notes, distribute_links, insn_cuid): Likewise.
1194         * cse.c (fold_rtx, cse_insn, cse_around_loop,
1195         invalidate_skipped_block, cse_set_around_loop,
1196         cse_end_of_basic_block, cse_main, cse_basic_block,
1197         cse_condition_code_reg): Likewise.
1198         * cselib.c (cselib_process_insn): Likewise.
1199         * ddg.c (create_ddg): Likewise.
1200         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
1201         Likewise.
1202         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
1203         gen_label_die, dwarf2out_var_location): Likewise.
1204         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
1205         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
1206         last_call_insn, active_insn_p, next_label, prev_label,
1207         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
1208         add_insn_before, remove_insn, add_function_usage_to,
1209         reorder_insns, find_line_note, remove_unnecessary_notes,
1210         emit_insn_after_1, classify_insn): Likewise.
1211         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
1212         connect_post_landing_pads, sjlj_mark_call_sites,
1213         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
1214         can_throw_internal, can_throw_external, set_nothrow_function_flags,
1215         convert_to_eh_region_ranges): Likewise.
1216         * explow.c (optimize_save_area_alloca): Likewise.
1217         * expr.c (expand_expr_real): Likewise.
1218         * final.c (insn_current_reference_address, compute_alignments,
1219         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
1220         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
1221         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
1222         propagate_block_delete_insn, propagate_one_insn,
1223         init_propagate_block_info, propagate_block, libcall_dead_p,
1224         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
1225         Likewise.
1226         * function.c (instantiate_virtual_regs, reorder_blocks_1,
1227         expand_function_start, expand_function_end, contains,
1228         thread_prologue_and_epilogue_insns,
1229         reposition_prologue_and_epilogue_notes): Likewise.
1230         * gcse.c (constprop_register, bypass_conditional_jumps,
1231         insert_insn_end_bb, gcse_after_reload): Likewise.
1232         * genemit.c (gen_expand, gen_split): Likewise.
1233         * genpeep.c (gen_peephole, main): Likewise.
1234         * global.c (build_insn_chain): Likewise.
1235         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
1236         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
1237         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
1238         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
1239         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
1240         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
1241         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
1242         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
1243         dead_or_predicable): Likewise.
1244         * integrate.c (try_constants): Likewise.
1245         * jump.c (rebuild_jump_labels, cleanup_barriers,
1246         purge_line_number_notes, init_label_info, mark_all_labels,
1247         squeeze_notes, get_label_before, get_label_after,
1248         reversed_comparison_code_parts, simplejump_p, pc_set,
1249         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
1250         delete_barrier, delete_prior_computation, delete_computation,
1251         delete_related_insns, delete_for_peephole, redirect_jump):
1252         Likewise.
1253         * lcm.c (optimize_mode_switching): Likewise.
1254         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
1255         Likewise.
1256         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
1257         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
1258         * loop-iv.c (simplify_using_assignment): Likewise.
1259         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
1260         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
1261         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
1262         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
1263         check_insn_for_givs, check_final_value, update_giv_derive,
1264         basic_induction_var, product_cheap_p, check_dbra_loop,
1265         loop_insn_first_p, last_use_this_basic_block,
1266         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
1267         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
1268         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
1269         sms_schedule_by_order): Likewise.
1270         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
1271         * postreload.c (reload_cse_simplify_operands, reload_combine,
1272         reload_cse_move2add): Likewise.
1273         * predict.c (can_predict_insn_p, estimate_probability,
1274         expected_value_to_br_prob, process_note_predictions): Likewise.
1275         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
1276         * profile.c (branch_prob): Likewise.
1277         * ra-build.c (live_out_1, livethrough_conflicts_bb,
1278         detect_webs_set_in_cond_jump): Likewise.
1279         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
1280         ra_print_rtl_with_bb): Likewise.
1281         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
1282         * recog.c (next_insn_tests_no_inequality, find_single_use,
1283         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
1284         * reg-stack.c (next_flags_user, record_label_references,
1285         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
1286         compensate_edge, convert_regs_1): Likewise.
1287         * regclass.c (scan_one_insn): Likewise.
1288         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1289         regmove_optimize, fixup_match_1, single_set_for_csa,
1290         combine_stack_adjustments_for_block): Likewise.
1291         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
1292         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
1293         find_equiv_reg): Likewise.
1294         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
1295         reload_as_needed, emit_input_reload_insns, do_output_reload,
1296         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
1297         Likewise.
1298         * reorg.c (find_end_label, emit_delay_sequence,
1299         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
1300         get_jump_flags, rare_destination, mostly_true_jump,
1301         try_merge_delay_insns, redundant_insn, own_thread_p,
1302         fill_simple_delay_slots, fill_slots_from_thread,
1303         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
1304         dbr_schedule): Likewise.
1305         * resource.c (find_basic_block, next_insn_no_annul,
1306         find_dead_or_set_registers, mark_target_live_regs): Likewise.
1307         * rtl.h (RTX_PREV): Likewise.
1308         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
1309         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
1310         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
1311         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
1312         tablejump_p, computed_jump_p, insns_safe_to_move_p,
1313         find_first_parameter_load, can_hoist_insn_p): Likewise.
1314         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
1315         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
1316         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
1317         schedule_ebbs): Likewise.
1318         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
1319         is_conditionally_protected, can_schedule_ready_p,
1320         add_branch_dependences, debug_dependencies): Likewise.
1321         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
1322         Likewise.
1323         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
1324         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
1325         set_dominates_use, ujump_to_loop_cont): Likewise.
1326         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
1327         * varasm.c (output_constant_pool_1): Likewise.
1328
1329 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1330
1331         * tree-scalar-evolution.c: New file.
1332         * tree-scalar-evolution.h: New file.
1333         * tree-ssa-loop-niter.c: New file.
1334         * Makefile.in (SCEV_H): New.
1335         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
1336         * cfgloop.h (struct loop): Add bounds field.
1337         * tree-flow.h (struct tree_niter_desc): New type.
1338         (number_of_iterations_cond, number_of_iterations_exit,
1339         loop_niter_by_eval, find_loop_niter_by_eval,
1340         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
1341         free_numbers_of_iterations_estimates): Declare.
1342         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
1343         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
1344         * doc/invoke.texi (max-iterations-to-track): Document.
1345
1346 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1347
1348         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
1349         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
1350         (MODE_AFTER): Add cast appropriately.
1351         * config/sh/sh.md (movdi splitter): Likewise.
1352         (casesi_worker_2): Add const qualifier appropriately.
1353         (eh_return): Remove unused variable.
1354         (insv): Initialize v;
1355
1356 2004-07-08  Richard Henderson  <rth@redhat.com>
1357
1358         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
1359         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1360         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
1361         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
1362         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
1363
1364         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
1365         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1366         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
1367         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
1368
1369         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
1370         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1371         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
1372         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
1373
1374         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
1375         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1376         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
1377         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
1378
1379         * config/i860/i860-protos.h (i860_va_arg): Remove.
1380         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1381         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
1382         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
1383
1384 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1385
1386         * system.h: Prototype getpagesize if missing.
1387         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
1388         * configure: Regenerate.
1389         * config.in: Regenerate.
1390
1391 2004-07-08  Richard Henderson  <rth@redhat.com>
1392
1393         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
1394         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1395         (fr30_gimplify_va_arg_expr): New.
1396         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
1397         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
1398
1399 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
1400
1401         PR target/16414
1402         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
1403         of asm_noperands result.
1404
1405 2004-07-08  Richard Henderson  <rth@redhat.com>
1406
1407         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
1408         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1409         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
1410         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
1411
1412 2004-07-08  Richard Henderson  <rth@redhat.com>
1413
1414         * builtins.c (ind_gimplify_va_arg_expr): New.
1415         * tree.h (ind_gimplify_va_arg_expr): Declare.
1416         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
1417
1418 2004-07-08  Jan Beulich  <jbeulich@novell.com>
1419
1420         * expmed.c (extract_bit_field): Correct condition to use vec_extract
1421         patterns also on vector elements other than the first one.
1422         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
1423         break statements.
1424
1425 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
1426
1427         * config/rs6000/darwin-ldouble.c: Correct reference
1428         to the Linnainmaa paper.
1429
1430 2004-07-08  Richard Henderson  <rth@redhat.com>
1431
1432         * config/arc/arc-protos.h (arc_va_arg): Remove.
1433         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1434         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
1435         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
1436
1437         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
1438         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1439         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
1440         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
1441
1442 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1443
1444         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
1445
1446 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
1447
1448         * c-decl.c (static_ctors, static_dtors): Make static.
1449         (pop_file_scope): Call c_common_write_pch and
1450         cgraph_finalize_compilation_unit here.
1451         (build_cdtor): Moved here from c-objc-common.c; simplify.
1452         (c_write_global_declarations_1): Clarify comment.
1453         (c_write_global_declarations): Close the external scope before
1454         doing anything else.  Call build_cdtor, cgraph_optimize, and
1455         mudflap_finish_file here.
1456         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
1457         Clarify comment.
1458         * c-objc-common.c: No need to include cgraph.h.
1459         (build_cdtor): Moved to c-decl.c.
1460         (c_objc_common_finish_file): Delete.
1461         * c-tree.h: Update to match.
1462         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
1463         (generate_static_references): Set TREE_USED before calling finish_decl.
1464         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
1465         on the static_instances_decl.
1466
1467 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
1468
1469         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
1470         decls when there is only one input translation unit.
1471         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
1472         change of 2004-07-05; do not treat declarations with
1473         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
1474         * opts.c (cur_in_fname): Delete.
1475         * opts.h: Likewise.
1476         * tree.c: Revert changes of 2004-07-05; no special treatment
1477         for TRANSLATION_UNIT_DECLs.
1478         * Makefile.in (tree.o): Update dependencies.
1479
1480 2004-07-08  Roger Sayle  <roger@eyesopen.com>
1481
1482         * builtins.c (fold_builtin_strcpy): Merge functionality from
1483         simplify_builtin_strcpy.  Add additional len argument.  No longer
1484         static.  Remove function prototype.
1485         (fold_builtin_strncpy): Likewise integrate functionality from
1486         simplify_builtin_strncpy.  Add additional slen argument.  No
1487         longer static.  Remove function prototype.
1488         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
1489         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
1490         types of "ignore" and "unlocked" parameters to bool.
1491         (fold_builtin_1):  Add additional ignore argument.  Call renamed
1492         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
1493         builtins.  Update arguments to fold_builtin_strncpy and
1494         fold_builtin_strcpy.  Add function prototype.
1495         (fold_builtin): Add additional Boolean ignore argument to pass
1496         to fold_builtin_1.
1497         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
1498         and fold_builtin_strncpy instead of simplify_builtin_fputs,
1499         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
1500
1501         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
1502         simplify_builtin_strncpy): Delete function prototypes.
1503         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
1504         fold_builtin_strncpy): Add function prototypes here.
1505         (fold_builtin): Update function prototype with new "bool ignore".
1506
1507         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
1508         (ccp_fold_builtin):  Update call to fold_builtin.  Call
1509         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
1510         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
1511         simplify_builtin_strncpy respectively.
1512         * fold-const.c (fold): Update call to fold_builtin.
1513
1514 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1515
1516         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
1517         to strcpy.
1518
1519         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
1520         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
1521         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
1522         * calls.c: Remove ifdefs of macros above.
1523         * functions.c: Likewise.
1524         * expr.c: Likewise.
1525
1526 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1527
1528         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
1529         (arch attribute): Delete.
1530         (current_function_calls_alloca attribute): Rename into calls_alloca.
1531         (calls_eh_return): New attribute.
1532         (leaf_function): Likewise.
1533         (length attribute): Fix formula for sibcalls.
1534         (return insn): Correctly compute the 'length' attribute.
1535         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
1536
1537 2004-07-08  Richard Henderson  <rth@redhat.com>
1538
1539         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
1540         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
1541         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
1542         * tree-eh.c (lower_eh_constructs_1): Likewise.
1543         * tree-sra.c (sra_walk_modify_expr): Likewise.
1544         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
1545         (eliminate_unnecessary_stmts): Likewise.
1546         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
1547         * tree-tailcall.c (optimize_tail_call): Likewise.
1548         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
1549
1550 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1551             Jakub Jelinek  <jakub@redhat.com>
1552
1553         * config/i386/i386.c (override_options): Enable
1554         SSE prefetches with -mtune, as long as we are
1555         compiling for i686 or higher.  All i686 processors
1556         accept SSE prefetches as NOPS, some i586's don't.
1557
1558 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1559
1560         PR target/10567
1561         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
1562
1563 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1564
1565         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
1566         the handling of clobbering ASM_EXPRs.
1567
1568 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1569
1570         PR target/16430
1571         * config/sparc/sparc.c (function_value): In 64-bit mode,
1572         return the aggregates larger than 16 bytes like unions.
1573
1574 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1575
1576         PR target/16199
1577         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
1578         'temp' is zero, generate new pseudos as needed and emit the
1579         sequence of insns in single-assignment form.  Resync comments
1580         with code.
1581         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
1582         function before reload.
1583
1584 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
1585
1586         * vec.c (vec_assert_fail): Remove duplicate 'function'.
1587
1588         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
1589
1590         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
1591         Allocation is signed.
1592         (VEC_reserve): Return flag, allocation is signed.
1593
1594 2004-07-08  Richard Henderson  <rth@redhat.com>
1595
1596         * tree-ssa-ccp.c (fold_stmt): Get type directly from
1597         OBJ_TYPE_REF_OBJECT.
1598
1599 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
1600             Neil Booth  <neil@daikokuya.co.uk>
1601
1602         PR c/2511
1603         PR c/3325
1604         * c-decl.c (finish_struct): Ensure bit-fields are given the
1605         correct type.
1606         * c-common.c (c_common_signed_or_unsigned_type): For C, require
1607         the precision to match as well as the mode.
1608         * expr.c (reduce_to_bit_field_precision): New function.
1609         (expand_expr_real_1): Reduce expressions of bit-field type to
1610         proper precision.
1611         * langhooks.h (reduce_bit_field_operations): New hook.
1612         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1613         Define.
1614         * c-lang.c, objc/objc-lang.c
1615         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
1616         * objc/objc-act.c (check_ivars): Convert types to bit-field types
1617         before checking.
1618         * tree.c (build_nonstandard_integer_type): New function.
1619         * tree.h (build_nonstandard_integer_type): New prototype.
1620         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
1621         conversions between integer and boolean types as useless.
1622
1623 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1624
1625         * c-common.c (c_common_nodes_and_builtins): Do not
1626         create __builtin_ptrdiff_t and __builtin_size_t.
1627
1628 2004-07-08  Andrew Pinski  <apinski@apple.com>
1629
1630         * Makefile.in (libbackend.o): Add -combine to the gcc
1631         command line.
1632
1633 2004-07-08  Nick Clifton  <nickc@redhat.com>
1634
1635         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
1636         Set to -Os.
1637
1638 2004-07-08  Richard Henderson  <rth@redhat.com>
1639
1640         * except.c (expand_eh_region_start, expand_eh_region_end,
1641         expand_eh_handler, expand_eh_region_end_cleanup,
1642         expand_start_all_catch, expand_start_catch, expand_end_catch,
1643         expand_end_all_catch, expand_eh_region_end_allowed,
1644         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
1645         expand_eh_region_end_fixup): Remove.
1646         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
1647         cleanups, outer_cleanups, label_chain, exception_region.
1648         (struct goto_fixup): Remove stack_level, cleanup_list_list.
1649         (struct label_chain): Remove.
1650         (struct stmt_status): Remove x_stack_block_stack.
1651         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
1652         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
1653         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
1654         end_cleanup_deferral, last_cleanup_this_contour,
1655         containing_blocks_have_cleanups_or_stack_level,
1656         any_pending_cleanups): Remove.
1657         (expand_null_return_1): Take no arguments.
1658         (expand_label, expand_naked_return, expand_return,
1659         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
1660         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
1661         expand_end_case_type): Don't use any of them.
1662         * calls.c (expand_call): Likewise.
1663         * dojump.c (do_jump): Likewise.
1664         * function.c (expand_function_end): Likewise.
1665         * expr.c (store_expr, expand_expr_real_1): Likewise.
1666         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
1667         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
1668         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
1669         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
1670         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
1671         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
1672         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
1673         for WITH_CLEANUP_EXPR.
1674         (gimple_push_cleanup): Likewise.
1675         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
1676         * print-tree.c (print_node): Likewise.
1677         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
1678         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
1679         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
1680         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
1681         (GOTO_SUBROUTINE_EXPR): Remove.
1682         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
1683         (DECL_TOO_LATE): Remove.
1684         * except.h, tree.h: Update decls.
1685
1686 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1687
1688         * explow.c (optimize_save_area_alloca): Do not accept parameters.
1689         * passes.c (rest_of_handle_final): Handle symout.
1690         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
1691         Push timevar here.
1692         (rest_of_handle_sched): Break out SMS.  Remove ifs for
1693         flag_schedule_insns and flag_modulo_sched.
1694         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
1695         collect at the end.
1696         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
1697         (rest_of_handle_partition_blocks, rest_of_handle_sms,
1698         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
1699         rest_of_handle_mode_switching, rest_of_handle_jump,
1700         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
1701         rest_of_handle_jump2, rest_of_handle_postreload,
1702         rest_of_handle_flow2, rest_of_clean_state,
1703         rest_of_handle_shorten_branches,
1704         rest_of_handle_prologue_epilogue,
1705         rest_of_handle_branch_target_load_optimize): New.
1706         (rest_of_compilation): Call the above.  Remove ggc_collect
1707         calls moved to rest_of_handle_*.
1708         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
1709
1710         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
1711         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
1712         * except.h (set_nothrow_function_flags): Update comment.
1713         * function.c (current_function_nothrow): Remove.
1714         * output.h (current_function_nothrow): Remove.
1715         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
1716         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
1717
1718 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1719
1720         PR bootstrap/16326
1721         * reorg.c: Revert 2004-06-30 change.
1722         (find_end_label): If HAVE_epilogue and !HAVE_return,
1723         return 0 instead of creating a label at the end of the insn chain.
1724         (optimize_skip): Account for the failure mode of find_end_label.
1725         (fill_simple_delay_slots): Likewise.
1726         (fill_slots_from_thread): Likewise.
1727         (relax_delay_slots): Likewise.
1728
1729 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1730
1731         * tree-flow.h (addressable_vars): Declare.
1732         * tree-ssa-alias.c (addressable_vars): Define.
1733         (setup_pointers_and_addressables): Add addressable variables
1734         to addressable_vars.
1735         * tree-ssa-operands.c (get_stmt_operands): Move
1736         handling of ASM_EXPRs ...
1737         (get_asm_expr_operands): ... here.
1738         When the ASM_EXPR clobbers memory, also clobber addressable
1739         variables.
1740         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
1741         (delete_tree_ssa): Reset addressable_vars.
1742
1743 2004-07-07  Jan Beulich  <jbeulich@novell.com>
1744             Richard Henderson  <rth@redhat.com>
1745
1746         * varasm.c (assemble_variable): Use assemble_zeros for
1747         zero-initialized variables.
1748         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
1749         for SECCAT_BSS and SECCAT_TBSS.
1750
1751 2004-07-07  Jan Beulich  <jbeulich@novell.com>
1752
1753         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
1754
1755         * expmed.c (emit_store_flag): Also special-case double-word
1756         (in-)equality comparison against -1.
1757
1758         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
1759         passing arguments the containers for which are registers.
1760
1761         * calls.c (emit_library_call_value_1): Use mode of function parameter
1762         rather than that of argument since constants have none.
1763
1764 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1765
1766         Introduce H8SX support.
1767         * expr.c (expand_strcpy): Renamed and moved to...
1768         * builtins.c (expand_movstr): ... here.  Tweak.
1769         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
1770         computed or has side effects.
1771         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
1772         unused, or if mempcpy fails.  Adjust the return value in the
1773         latter case.  Use movstr if everything else fails.
1774         * doc/md.texi (movstr): Document.
1775         (movmemM, clrmemM): Fix explanation of memory block operands.
1776         * config/h8300/h8300.md (stpcpy): Renamed to...
1777         (movstr): ... this.  Adjust.
1778         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1779         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
1780         movmem* and clrstr* to clrmem*.
1781         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
1782         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
1783         GENERAL_REGS, always.
1784         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
1785         getting the stack pointer as addr.
1786         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
1787         from general_operand_dst.
1788         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
1789         variant of...
1790         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
1791         instead of requiring it to match only before reload.
1792         (stpcpy_internal_normal): New, normal-mode variant of...
1793         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
1794         `D' instead of requiring it to match only before reload.
1795         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
1796         mode argument.
1797         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
1798         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
1799         h8300_get_index.
1800         * config/h8300/h8300.md (attr type): Add call.
1801         (attr can_delay): If type is call, set it no.
1802         (call, call_value): Set type to call.
1803         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
1804         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
1805         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
1806         * tree.c (get_narrower): Don't narrow integral types into
1807         non-integral types.
1808         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
1809         frame_size *before* the first use.
1810         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
1811         on input.
1812         (peephole2): Don't widen instructions that push SP.  Move
1813         decrement of SP to the end of all stm-generating peepholes.
1814         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
1815         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
1816         and OR to set it to all ones.
1817         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
1818         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
1819         (call, call_value): Set can_delay to "no".
1820         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
1821         * config/h8300/h8300.md (extzv): Make subreg check more robust.
1822         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1823         * config/h8300/h8300.md (*brabit): Remove.
1824         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
1825         zero_extract.  Use bit_memory_operand as the predicate for
1826         operand 1 and 'WU' as the constraint.  Check the difference
1827         between the base length and the final one when deciding which
1828         type of branch to use.
1829         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1830         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
1831         Use convert_move to extend the result for TARGET_H8300SX.  Check
1832         for QImode memory references.  Optimize the case where the
1833         destination is a paradoxical subreg.
1834         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1835         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
1836         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
1837         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1838         * config/h8300/h8300.md: Include mova.md
1839         (length_table): Add mova and mova_zero.
1840         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
1841         after all constant addresses for '%R', '%X', '%T' and '%S'.
1842         (h8300_mova_length): New function.
1843         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
1844         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
1845         dependencies for s-config, etc.
1846         * config/h8300/gemova.sh: New file.
1847         * config/h8300/mova.md: Generated.
1848         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
1849         * config/h8300/h8300.c (h8300_bitfield_length): New.
1850         (nibble_operand): Adjust.
1851         (h8300_binary_length): Handle conditional binary op.
1852         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
1853         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
1854         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
1855         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
1856         constraints.  WU is introduced as a variant of U that requires a
1857         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
1858         * config/h8300/h8300.md (attr type): Added bitbranch.
1859         (attr length_table): Added bitfield and bitbranch.
1860         (attr length): Compute bitbranch length.
1861         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
1862         least-significant bit of a byte.
1863         (brabit, brabc, brabs): New.
1864         (insv, extzv): Emit bfst and bfld on H8300SX.
1865         (bfld, bfst, seq, sne): New.
1866         (bstzhireg, cmpstz, bstz, bistz): New.
1867         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
1868         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
1869         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
1870         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
1871         (h8sx_unary_memory_operator): New function.
1872         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
1873         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
1874         * config/h8300/h8300.md: Add peepholes to combine reloads and
1875         arithmetic insns.
1876         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
1877         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
1878         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
1879         (and?i, ior?i, xor?i): Likewise.
1880         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
1881         * config/h8300/h8300.c: Move enums and prototypes to head of file.
1882         Various whitespace fixes.
1883         (h8300_constant_length): New function, split out from...
1884         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
1885         (h8300_classify_operand): Use IN_RANGE.
1886         (h8300_classify_operand): Use h8300_constant_length.
1887         (h8300_short_move_mem_p): Tighten size check.
1888         (h8sx_mergeable_memrefs_p): Tighten equality check.
1889         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
1890         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
1891         for -msx.
1892         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
1893         * config/h8300/crtn.asm: Likewise.
1894         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
1895         if __H8300SX__ is defined.
1896         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
1897         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
1898         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
1899         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
1900         addresses as mode-dependent.
1901         * config/h8300/h8300.c (print_operand_address): Update call to
1902         h8300_get_index.
1903         (h8300_get_index): Take a mode argument.  Rework to fix an
1904         earlier misunderstanding.
1905         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
1906         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
1907         into a register if TARGET_H8300SX.
1908         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
1909         TARGET_H8300SX.  Also disable related define_splits.
1910         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
1911         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
1912         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
1913         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
1914         * config/h8300/h8300.h (OK_FOR_Z): New macro.
1915         (EXTRA_CONSTRAINT_STR): Check it.
1916         * config/h8300/h8300.c (h8300_classify_operand): Accept null
1917         class arguments.
1918         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
1919         * config/h8300/h8300.md (length_table): Add mov_imm4.
1920         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
1921         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
1922         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
1923         be a label.
1924         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
1925         * config/h8300/h8300.c (h8300_reorg): New function.
1926         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1927         * config/h8300/h8300.md (length): Subtract the length of the
1928         delay slot from (pc) when checking the range of forward branches.
1929         (delay_slot, can_delay): New attributes.
1930         (define_delay): Add bra/s handling.
1931         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
1932         (jump): Add delayed-branch handling.
1933         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
1934         * expr.c (expand_strcpy): New function.
1935         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
1936         (expand_builtin_stpcpy): Likewise.
1937         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
1938         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
1939         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
1940         handling to improve register allocation for -fno-omit-frame-pointer.
1941         (h8sx_split_movmd): Delete, moving er6 handling into...
1942         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
1943         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
1944         (movmd): Add calls to copy_rtx.
1945         (movmd_internal): In the second alternative, allow the initial and
1946         final destination registers to be different .  Update the splitter
1947         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
1948         instead of h8sx_split_movmd.
1949         (stpcpy, movsd): New expanders.
1950         (movsd_internal): New define_insn.
1951         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
1952         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
1953         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
1954         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
1955         and DESTINATION_REGS.
1956         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
1957         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
1958         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
1959         (h8300_move_ratio): Declare.
1960         (MOVE_RATIO): Use it.
1961         * config/h8300/h8300.c (h8300_move_ratio): New variable.
1962         (h8300_init_once): Initialize it.
1963         (h8300_reg_class_from_letter): New function.
1964         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
1965         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
1966         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
1967         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
1968         (movstrsi, movmd): New expanders.
1969         (movmd_internal): New insn.
1970         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
1971         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
1972         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
1973         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
1974         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
1975         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1976         * config/h8300/h8300.c (nibble_operand): Fix warning.
1977         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
1978         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
1979         (movsf_h8300h): Disable for TARGET_H8300SX.
1980         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1981         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
1982         h8300_stm_parallel and h8300_return_parallel.
1983         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
1984         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
1985         h8300_stm_parallel, h8300_return_parallel): New functions.
1986         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
1987         if TARGET_H8300SX.  Use h8300_push_pop.
1988         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
1989         and final pop when generating h8sx code.  Always emit some form
1990         of return insn.
1991         * config/h8300/h8300.md: Don't enforce register alignment in
1992         stm peepholes if TARGET_H8300SX.
1993         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
1994         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
1995         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
1996         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1997         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
1998         (MULTILIB_DIRNAMES): Add a directory for it.
1999         (MULTILIB_MATCHES): Delete.
2000         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2001         * final.c (walk_alter_subreg): Handle addresses with subregs
2002         inside a ZERO_EXTEND or AND.
2003         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
2004         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
2005         if TARGET_H8300SX.
2006         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
2007         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
2008         @(dd,Rn.w) and @(dd,ERn.L).
2009         (h8300_displacement_size): Take the whole address as argument.
2010         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
2011         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2012         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
2013         (h8sx_mergeable_memrefs_p): Declare.
2014         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
2015         (HAVE_PRE_INCREMENT): Likewise.
2016         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
2017         addresses for TARGET_H8300SX,
2018         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
2019         and POST_DEC.
2020         (movb_length_table, movl_length_table): New tables.
2021         (movw_length_table): Define to movb_length_table.
2022         (h8300_displacement_size): New, split out from...
2023         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
2024         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
2025         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
2026         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
2027         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
2028         (compute_plussi_length, compute_plussi_cc): Update accordingly.
2029         (h8sx_unary_shift_operator): Get the mode from the operator.
2030         (binary_shift_operator): Likewise.
2031         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
2032         a memory reference, check whether the reference is offsettable.
2033         (length_table): Add movb, movw and movl.
2034         (movqi): Add new h8sx pattern.  Don't force one operand to be a
2035         register when generating h8sx code.
2036         (movhi, movsi, movsf): Likewise.
2037         (movstrictqi): Use the length_table attribute.
2038         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
2039         (addqi3): Split into a define_expand and define_insn.  Don't accept
2040         memory operands in the expander.  Use h8300_operands_match_p to
2041         check for matching operands in the define_insn.
2042         (subqi3, negqi2, one_cmplqi2): Likewise.
2043         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
2044         in any patterns that are unused in h8sx code.  In the h8sx patterns,
2045         use h8300_operands_match_p to check whether operands match.
2046         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
2047         one_cmpl[hs]i3): Likewise.
2048         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
2049         in the expander.
2050         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
2051         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
2052         (h8300_insn_length_from_table): Add a second parameter.
2053         (output_h8sx_shift): Declare.
2054         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
2055         (EXTRA_CONSTRAINT): Replace with...
2056         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
2057         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
2058         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
2059         and h8sx_binary_shift_operator.
2060         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
2061         for TARGET_H8300SX.
2062         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
2063         (bit_memory_operand, fix_bit_operand): Likewise.
2064         (h8300_length_table_for_insn): Remove.
2065         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
2066         instructions.
2067         (h8300_short_immediate_length, h8300_binary_length): New functions.
2068         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
2069         (output_plussi): Use sub to add negative constants.
2070         (compute_plussi_length): Adjust accordingly.
2071         (h8sx_single_shift_type): New enum.
2072         (h8sx_single_shift, h8sx_unary_shift_operator,
2073         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
2074         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
2075         single h8sx instruction.  Return false in this case.
2076         * config/h8300/h8300.md (length_table): Add short_immediate.
2077         (length): Pass the operand array to h8300_insn_length_from_table.
2078         (adjust_length): Assume "no" for insns with a length_table attribute.
2079         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
2080         (*addhi3_h8300hs): Don't use for h8sx.
2081         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
2082         and sub.w #xx:3.
2083         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
2084         1's predicate to nonimmediate_operand.  Only skip default expansion
2085         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
2086         for single h8sx shift instructions.
2087         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
2088         * config/h8300/h8300.c (nibble_operand): Split out of...
2089         (reg_or_nibble_operand): ... this.
2090         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
2091         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
2092         umulhisi3): Introduce expand, and introduce separate insns for
2093         sign- or zero-extended REG and already-extended CONST_INT.
2094         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
2095         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
2096         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
2097         (subhi3): Likewise.  Don't accept immediates for operand 1.
2098         Remove the early clobber from second alternative of the h8300s pattern.
2099         (subsi3): Generalize for h8sx.  Force operand 2 into a register
2100         on plain h8300 targets.
2101         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
2102         (subsi3_h8300h): Generalize for h8sx.
2103         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
2104         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
2105         * config/h8300/h8300.c (reg_or_nibble_operand): New.
2106         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2107         (TARGET_H8300SXMUL): New.
2108         (CONST_OK_FOR_P): New.
2109         (CONST_OK_FOR_LETTER_P): Adjust.
2110         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
2111         umulhisi3): Accept 4-bit immediate on H8SX.
2112         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
2113         (udivsi3, divhi3, udivsi3, divsi3): New.
2114         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
2115         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
2116         * config/h8300/h8300.h (OK_FOR_Q): New macro.
2117         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
2118         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
2119         Add ADDRESSOF to the bit_operand entry.
2120         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
2121         (h8300_src_operand): Likewise.
2122         (bit_operand): Check nonimmediate_operand rather than general_operand.
2123         Accept any nonimmediate_operand in h8sx code.
2124         (h8300_and_costs): Initialize operands[1].
2125         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
2126         (h8300_operand_class): New enum.
2127         (h8300_length_table): New typedef.
2128         (addb_length_table, addw_length_table, addl_length_table,
2129         logicl_length_table): New tables.
2130         (logicb_length_table, logicw_length_table): New macros.
2131         (h8300_classify_operand, h8300_length_from_table,
2132         h8300_length_table_for_insn, h8300_unary_length,
2133         h8300_insn_length_from_table): New functions.
2134         (output_plussi): Only use adds and subs for register destinations.
2135         Disable redundant clause.
2136         (compute_plussi_cc): Likewise.
2137         (compute_plussi_length): Likewise.  Use h8300_length_from_table
2138         to work out the length of an insn.
2139         (output_logical_op): Only use narrower immediate instructions
2140         if the destination is a register.
2141         (compute_logical_op_cc): Likewise.
2142         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
2143         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
2144         * config/h8300/h8300.md (length_table): New attribute.
2145         (length): When an instruction has a length_table attribute, use
2146         h8300_insn_length_from_table to calculate its default length.
2147         (cmpqi): Use h8300_dst_operand for the first operand and
2148         h8300_src_operand for the second.
2149         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
2150         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
2151         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
2152         iorsi3, xorhi3, xorsi3): Likewise.
2153         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
2154         so that it allows any combination of operands for TARGET_H8300SX.
2155         (iorqi3, xorqi3): Likewise.
2156         (cmpqi): Use the length_table attribute.
2157         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
2158         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
2159         (cmpqi): Add 'Q' constraint.
2160         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
2161         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
2162         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
2163         * config/h8300/h8300.h (MASK_H8300SX): New macro.
2164         (TARGET_H8300S): True for both -ms and -msx.
2165         (TARGET_H8300SX): New macro.
2166         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
2167         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
2168         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
2169         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
2170         [Temporary change.]
2171         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
2172         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
2173         16-bit pointers and 32-bit ints.
2174         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
2175         CONST_DOUBLE with mode no wider than SImode.
2176         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
2177         output operand.
2178         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
2179         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
2180         or SUBREG thereof.
2181         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2182         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
2183         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
2184
2185 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2186
2187         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
2188
2189 2004-07-07  Per Bothner  <per@bothner.com>
2190
2191         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
2192
2193 2004-07-07  Mike Stump  <mrs@apple.com>
2194
2195         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
2196         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
2197         (machopic_finish): Likewise.
2198
2199 2004-07-07  Richard Henderson  <rth@redhat.com>
2200
2201         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
2202         through any value-preserving cast.
2203
2204 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2205
2206         * function.c (assign_parm_find_data_types): Call
2207         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
2208
2209 2004-07-07  Steven Bosscher  <stevenb@suse.de>
2210
2211         * tree-cfg.c (group_case_labels): Remove case labels that have
2212         the same target as the default case.
2213
2214 2004-07-07  Steven Bosscher  <stevenb@suse.de>
2215
2216         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
2217         regardless of DECL_LANG_SPECIFIC being present or not.
2218         * tree.h (DECL_NUM_STMTS): Purge.
2219
2220 2004-07-07  Andrew Pinski  <apinski@apple.com>
2221
2222         * configure: Regenerate with the right autoconf.
2223
2224 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
2225
2226         * ifcvt.c (total_bb_rtx_cost): New function.
2227         (find_if_case_1): Compare rtx_cost of basic block to cost of
2228         BRANCH_COST insns.
2229         (find_if_case_2): Same.
2230
2231 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2232
2233         PR target/10567
2234         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
2235         (output_return): Likewise.
2236         (output_sibcall): Abort if !flag_delayed_branch.
2237         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
2238         (emit_and_preserve): New function.
2239         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
2240         indirect jump to the thunked-to function if !flag_delayed_branch.
2241         * config/sparc/sparc.md (delayed_branch): New attribute.
2242         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
2243         attribute to compute the length of the insn.
2244         (goto_handler_and_restore): Likewise.
2245
2246 2004-07-07  Andrew Pinski  <apinski@apple.com>
2247
2248         PR tree-optimization/15777
2249         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
2250
2251         * expr.c (expand_expr_real_1): Fix formating.
2252         BUFFER_REF and IN_EXPR are dead.
2253         * fold-const.c (non_lvalue): BUFFER_REF is dead.
2254         * tree-inline.c (estimate_num_insns_1): Likewise.
2255         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
2256         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
2257         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
2258
2259 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
2260
2261         * collect2.c (dump_file): Don't call cplus_demangle if
2262         HAVE_LD_DEMANGLE is defined.
2263         (main): Pass "--demangle" to ld if no_demangle is not 0 and
2264         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
2265         if HAVE_LD_DEMANGLE is defined.
2266
2267         * configure.ac (--with-demangler-in-ld): Added
2268         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
2269         --with-demangler-in-ld is used.
2270         * config.in: Regenerated.
2271         * configure: Likewise.
2272
2273 2004-07-07  Roger Sayle  <roger@eyesopen.com>
2274
2275         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
2276         for simple floating point operations "fp", double precision
2277         multiplication "dmul", and single and double precision division
2278         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
2279         (ppc630_cost): New table split from ppc620_cost, to distinguish
2280         differences in floating point latencies.
2281         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
2282         (rs6000_rtx_costs): Add support for single and double precision
2283         floating point addition, subtraction, multiplication, division,
2284         fused-multiply-add, fused-multiply-sub, negation, absolute value
2285         and negative absolute value.  Tweak MEM case to use prefered idiom.
2286
2287 2004-07-07  Richard Henderson  <rth@redhat.com>
2288
2289         * tree-flow-inline.h (may_propagate_copy): Move...
2290         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
2291         attempt to copy between types requiring conversion.
2292         * tree-flow.h (may_propagate_copy): Update decl.
2293         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
2294
2295 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
2296
2297         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
2298         from -mtune= option.
2299
2300 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2301
2302         * builtins.c: Rename movstr*, except for movstrict*, to
2303         movmem* and clrstr* to clrmem*.
2304         * expr.c: Likewise.
2305         * expr.h: Likewise.
2306         * genopinit.c: Likewise.
2307         * integrate.c: Likewise.
2308         * local-alloc.c: Likewise.
2309         * optabs.c: Likewise.
2310         * optabs.h: Likewise.
2311         * config/alpha/alpha.h: Likewise.
2312         * config/alpha/alpha.md: Likewise.
2313         * config/arm/arm-protos.h: Likewise.
2314         * config/arm/arm.c: Likewise.
2315         * config/arm/arm.md: Likewise.
2316         * config/avr/avr.md: Likewise.
2317         * config/c4x/c4x.c: Likewise.
2318         * config/c4x/c4x.md: Likewise.
2319         * config/frv/frv.md: Likewise.
2320         * config/i386/i386-protos.h: Likewise.
2321         * config/i386/i386.c: Likewise.
2322         * config/i386/i386.h: Likewise.
2323         * config/i386/i386.md: Likewise.
2324         * config/i860/i860.c: Likewise.
2325         * config/i860/i860.md: Likewise.
2326         * config/ip2k/ip2k.md: Likewise.
2327         * config/ip2k/libgcc.S: Likewise.
2328         * config/ip2k/t-ip2k: Likewise.
2329         * config/m32r/m32r.c: Likewise.
2330         * config/m32r/m32r.md: Likewise.
2331         * config/mcore/mcore.md: Likewise.
2332         * config/mips/mips.c: Likewise.
2333         * config/mips/mips.md: Likewise.
2334         * config/ns32k/ns32k.c: Likewise.
2335         * config/ns32k/ns32k.h: Likewise.
2336         * config/ns32k/ns32k.md: Likewise.
2337         * config/pa/pa.c: Likewise.
2338         * config/pa/pa.md: Likewise.
2339         * config/pdp11/pdp11.h: Likewise.
2340         * config/pdp11/pdp11.md: Likewise.
2341         * config/rs6000/rs6000.c: Likewise.
2342         * config/rs6000/rs6000.md: Likewise.
2343         * config/s390/s390-protos.h: Likewise.
2344         * config/s390/s390.c: Likewise.
2345         * config/s390/s390.md: Likewise.
2346         * config/sh/lib1funcs.asm: Likewise.
2347         * config/sh/sh.c: Likewise.
2348         * config/sh/sh.md: Likewise.
2349         * config/sh/t-sh: Likewise.
2350         * config/sparc/sparc.h: Likewise.
2351         * config/vax/vax.md: Likewise.
2352         * config/xtensa/xtensa.c: Likewise.
2353         * config/xtensa/xtensa.md: Likewise.
2354         * doc/invoke.texi: Likewise.
2355         * doc/md.texi: Likewise.
2356         * doc/rtl.texi: Likewise.
2357
2358 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
2359
2360         PR target/16407
2361         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
2362         * config/mips/mips.c (mips_declare_common_object): New function,
2363         mostly split out from...
2364         (mips_output_aligned_decl_common): ...here.
2365         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
2366         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
2367         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
2368         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
2369
2370 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2371
2372         PR c/16392
2373         * function.c (assign_parms): Fix typo from previous change.
2374
2375 2004-07-07  Jason Merrill  <jason@redhat.com>
2376
2377         PR c++/15815
2378         * doc/extend.texi (C++ Interface): Correct information and
2379         discourage use.
2380
2381 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
2382
2383         PR target/16130
2384         PR target/16142
2385         PR target/16143
2386         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
2387         insn.
2388
2389 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2390
2391         PR target/1679.
2392         * config/m32r/m32r.c (m32r_function_symbol): New function:
2393         Generate a symbol name RTX with the correct m32r specific flags
2394         set.
2395         (block_move_call): Use new function to generate correct symbol.
2396         * config/m32r/m32r-protos.h: Add prototype for new funcion.
2397         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
2398         function.
2399
2400 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
2401
2402         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
2403         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
2404         TYPE_BINFO_BASETYPE): Remove.
2405         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
2406         to ...
2407         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
2408         here.
2409         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
2410         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
2411         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
2412         (struct tree_binfo): Rename base_types to base_binfos.
2413         * alias.c (record_component_aliases): Adjust BINFO macros.
2414         * dbxout.c (dbxout_type): Likewise.
2415         * dwarf2out.c (gen_member_die): Likewise.
2416         * sdbout.c (sdbout_one_type): Likewise.
2417         * tree-dump.c (deque_and_dump): Likewise.
2418         * config/i386/i386.c (classify_argument,
2419         contains_128bit_aligned_vector_p): Likewise.
2420
2421 2004-07-07  Nick Clifton  <nickc@redhat.com>
2422
2423         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
2424         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
2425
2426 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
2427
2428         * vec.h: Fix the example use.
2429
2430 2004-07-06  Richard Henderson  <rth@redhat.com>
2431
2432         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
2433         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
2434         * tree-inline.c (copy_body_r, setup_one_parameter,
2435         initialize_inlined_parameters, expand_call_inline,
2436         declare_inline_vars): Don't check it.
2437         (expand_calls_inline): Remove old version, rename new version
2438         from gimple_expand_calls_inline.
2439         * tree-optimize.c (execute_gimple): Remove.
2440         (pass_gimple): Don't run anything.
2441
2442 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2443
2444         * doc/sourcebuild.texi: Use semicolons instead of commas in
2445         section title.
2446
2447 2004-07-06  Richard Henderson  <rth@redhat.com>
2448
2449         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
2450         (sra_walk_modify_expr, scan_init): Likewise.
2451         (generate_element_zero): Check visited before scanning children.
2452         (generate_element_init): Set visited on error.
2453         (scalarize_init): Handle generate_element_init failure similar
2454         to use_block_copy.
2455
2456 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2457
2458         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
2459         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
2460
2461 2004-07-06  Richard Henderson  <rth@redhat.com>
2462
2463         * config/i386/i386.c (legitimize_pic_address): Make static.
2464         (legitimize_address): Handle CONST with TLS operand.
2465         (ix86_expand_move): Don't call legitimize_pic_address directly.
2466         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
2467
2468 2004-07-06  Roger Sayle  <roger@eyesopen.com>
2469
2470         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
2471         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
2472         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
2473         is currently executed unconditionally, i.e. not in "else_bb".
2474
2475 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2476
2477         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
2478         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2479         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
2480         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2481         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
2482         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2483         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
2484         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2485         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
2486         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2487         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
2488         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2489         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
2490         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2491         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
2492         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2493
2494 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2495
2496         * dojump.c (do_jump): REFERENCE_EXPR is dead.
2497         * expr.c (expand_expr_real_1): Ditto.
2498         * tree-inline.c (estimate_num_insns_1): Ditto.
2499         * tree-pretty-print.c (dump_generic_node): Ditto.
2500         (op_symbol): Ditto.
2501         * tree.def: Ditto.
2502
2503 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2504
2505         * tree-ssa-pre.c (reference_node_pool): New pool.
2506         (find_or_generate_expression): Class 'r' is okay too.
2507         (create_value_expr_from): Ditto.
2508         (add_to_sets): LHS should not include vuses.
2509         (eliminate): Ditto.
2510         (compute_avail): Reverse ordering of tests.
2511         Valuize INDIRECT_REF as well.
2512
2513 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
2514
2515         PR rtl-optimization/16380
2516         * loop.c (check_dbra_loop): Sink comparison instructions if they
2517         do something other than set cc0.
2518
2519 2004-07-06  James E Wilson  <wilson@specifixinc.com>
2520
2521         * doc/interface.texi (longjmp and automatic variables): Delete
2522         paragraph recommending taking the address of a variable.
2523
2524 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2525
2526         * vec.h (VEC_embedded_alloc): Remove.
2527         (VEC_embedded_size, VEC_embedded_init): New.
2528         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
2529         MEM_STAT_INFO.
2530         (VEC_truncate): New.
2531         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
2532         (vec_embedded_alloc): Remove.
2533         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
2534         (vec_embedded_alloc): Remove.
2535
2536 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
2537
2538         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
2539         (gt-langhooks.h): Remove.
2540
2541 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
2542
2543         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
2544
2545 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2546
2547         * config/sparc/sparc.c (get_pc_symbol): Rename into
2548         add_pc_to_pic_symbol.
2549         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
2550         (load_pic_register): Account for previous changes.
2551         Use reg_names.  Don't create the label twice.
2552         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
2553         UNSPEC_LOAD_PCREL_SYM.
2554         (get_pc): Rename into load_pcrel_sym.  Add predicate to
2555         operands.  Remove condition.
2556
2557 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2558
2559         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
2560         RECORD, UNION & QUAL_UNION is actually a binfo.
2561
2562         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
2563         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
2564         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
2565         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
2566         * dwarf2out.c (add_data_member_location_attribute): Likewise.
2567         (gen_inheritance_die): Likewise.
2568         * tree-dump.c (deque_and_dump): Likewise.
2569         * doc/c-tree.texi (Binfos): Add under reconstruction note.
2570
2571 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2572
2573         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2574         Define.
2575         * config/mcore/mcore.md: Model memory latency with a simple DFA
2576         pipeline description instead of a define_function_unit.
2577
2578 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2579
2580         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
2581         * langhooks.h (var_mod_type_p): Likewise.
2582         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
2583         * expr.c (count_type_elements): Properly handle return from
2584         array_type_nelts and properly test for overflow.
2585         * gimplify.c (gimplify_init_constructor): Properly handle return
2586         from array_type_nelts.
2587         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
2588         * integrate.c (copy_decl_for_inlining): Correct comments.
2589         * tree-inline.c (remap_decl): Update comments, remove dead code,
2590         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
2591         (remap_type): Only remap if variably modified by vars in function
2592         being inlined.
2593         (copy_body_r): Use compatible_type langhooks to see when can fold.
2594         (setup_one_parameter): Don't remap type.
2595         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
2596         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
2597         compute TREE_INVARIANT for decl case.
2598         (find_var_from_fn): New function.
2599         (variably_modified_type_p): Add arg and call new function.
2600         * tree.h (variably_modified_type_p): Add extra arg.
2601
2602 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2603
2604         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
2605         (goto_handler_and_restore_v9): Delete disabled insn.
2606         (goto_handler_and_restore_v9_sp64): Likewise.
2607
2608 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2609
2610         * calls.c (load_register_parameters): Call expand_shift instead
2611         of expand_binop with ashl_optab (or other shift optab) directly.
2612         * expr.c (emit_group_load, emit_group_store): Likewise.
2613         * function.c (assign_parm_setup_block): Likewise.
2614         * stmt.c (shift_return_value): Likewise.
2615
2616 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
2617
2618         * expr.c (expand_assignment): Disable the bitfield += optimizations.
2619
2620 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2621
2622         * doc/sourcebuild.texi: Revert previous patch.
2623
2624 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2625
2626         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
2627         TARGET_MEM_FUNCTIONS.
2628         * system.h: Poison TARGET_MEM_FUNCTIONS.
2629         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
2630         bcmp_libfunc, bzero_libfunc): Remove.
2631         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
2632         bzero_libfunc.
2633         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
2634         * doc/standards.texi: Don't mention calling BSD string functions.
2635         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
2636         * config/vax/t-memfuncs: New.
2637         * config/memcmp.c, config/memcpy.c, config/memmove.c,
2638         config/memset.c: New.
2639         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
2640         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
2641         vax/t-memfuncs.
2642         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
2643         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
2644         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
2645         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
2646         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
2647         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
2648         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
2649         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
2650         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
2651         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
2652
2653 2004-07-05  Richard Henderson  <rth@redhat.com>
2654
2655         * function.c (assign_parm_setup_reg): Properly rename variables in
2656         FUNCTION_ARG_CALLEE_COPIES section.
2657
2658 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2659
2660         * tree-mudflap.c: Include cgraph.h.
2661         (mf_init_extern_trees): Rename to mudflap_init.  Export.
2662         Rewrite to create synthetic declarations instead of looking
2663         up declarations from mf-runtime.h.
2664         (mf_make_builtin, mf_make_cache_struct_type): New functions.
2665         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
2666         Correct commentary.
2667         (execute_mudflap_function_decls, mudflap_register_call):
2668         Don't call mf_init_extern_trees.
2669         (mudflap_finish_file): Use cgraph_build_static_cdtor.
2670
2671         * tree-mudflap.h: Update prototypes.
2672         * c-mudflap.c: Delete file.
2673         * c-common.c: Include tree-mudflap.h.
2674         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
2675         * Makefile.in: Remove all references to c-mudflap.o.
2676         Update dependencies.
2677
2678 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2679
2680         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
2681         displacements with the spatial-locality cache-control completer.
2682
2683 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2684
2685         * langhooks.c: Don't include gt-langhooks.h.
2686         (var_labelno): Delete.
2687         (lhd_set_decl_assembler_name): Do not append a distinguishing
2688         number to file-scope internal-linkage declarations for the first
2689         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
2690         the declaration itself (if at block scope), or its containing
2691         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
2692         number.
2693
2694         * opts.c (cur_in_fname): New global.
2695         * opts.h: Declare it.
2696         * tree.c: Include opts.h.
2697         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
2698         DECL_UID equal to cur_in_fname.
2699         (copy_node_stat): Do not change DECL_UID when copying a
2700         TRANSLATION_UNIT_DECL.
2701         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
2702         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
2703
2704         * c-decl.c (c_static_assembler_name): Delete.
2705         * c-tree.h (c_static_assembler_name): Delete prototype.
2706         * c-lang.c, objc/objc-lang.c: Don't override
2707         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
2708
2709         * Makefile.in (tree.o): Update dependencies.
2710         (GTFILES): Remove langhooks.c.
2711
2712 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2713
2714         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
2715         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
2716         Normalize "X % C" as "X % -C" for signed modulus and negative C.
2717         Optimize "X % -Y" as "X % Y" for signed modulus.
2718         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
2719         into "((unsigned) X % Y) == 0".
2720
2721 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2722
2723         * sourcebuild.texi (Config Fragments): Use @comma{} in
2724         cross-reference to section title.
2725
2726 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2727
2728         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
2729         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
2730         (gimplify_target_expr, gimplify_expr): Likewise.
2731         (copy_if_shared_r): No longer need special case for BIND_EXPR.
2732         (unshare_body, unvisit_body): Only look at nested if BODY_P is
2733         whole function.
2734         (gimplify_compound_lval): See if we can strip any useless conversion.
2735         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
2736         from RHS, not LHS.
2737         (gimplify_modify_expr_to_memset): Likewise.
2738         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
2739         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
2740         (declare_inline_vars): Likewise.
2741         (walk_type_fields): New function.
2742         (walk_tree): Use it.
2743         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
2744
2745         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
2746         (sra_walk_modify_expr): Allow init function to fail.
2747         (scan_init): Now returns bool.
2748         (generate_element_init): If can't understand INIT, return false.
2749         (scalarize_init): Return false if generate_element_init does.
2750
2751         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
2752         print bounds.
2753
2754         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
2755         bounds if bounds aren't constant.
2756
2757         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
2758
2759         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
2760         to type hooks; remove bogus PARAMS.
2761
2762 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
2763
2764         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
2765         * dwarf2out.c (add_data_member_location_attribute): Check for
2766         TREE_BINFO.
2767         * tree.c (tree_node_kinds): Add "binfos".
2768         (binfo_lang_slots): New.
2769         (make_node_stat): Add TREE_BINFO.
2770         (make_tree_binfo_stat): New.
2771         (tree_node_structure): Add TREE_BINFO.
2772         * tree.def (TREE_BINFO): New.
2773         * tree.h (REC_OR_UNION_CHECK): Rename to ...
2774         (RECORD_OR_UNION_CHECK): ... here.
2775         (NOT_RECORD_OR_UNION_CHECK): New.
2776         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
2777         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
2778         RECORD_OR_UNION_CHECK.
2779         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
2780         (TYPE_LANG_SLOT_1): New.
2781         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
2782         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
2783         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
2784         (BINFO_ELTS): Remove.
2785         (BINFO_LANG_SLOT): New.
2786         (struct tree_binfo): New.
2787         (binfo_lang_slots): Declare.
2788         (enum tree_node_structure_enum): Add TS_BINFO.
2789         (union tree_node): Add binfo.
2790         (make_tree_binfo_stat): Declare.
2791         (make_tree_binfo): New.
2792         (enum tree_node_kind): Add binfo_kind.
2793
2794         * objc/objc-act.c (start_class, objc_declare_protocols,
2795         start_protocols): Use TYPE_LANG_SLOT_1.
2796         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
2797         to ...
2798         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
2799         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
2800         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
2801         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
2802
2803 2004-07-05  Steven Bosscher  <stevenb@suse.de>
2804
2805         * rtl.h (struct rtx_def): Remove the integrated flag.
2806         Use the return_val flag for MEM_SCALAR_P.
2807         Reshuffle and update flags in CLEAR_RTX_FLAGS.
2808
2809 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
2810
2811         PR target/16357
2812         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
2813         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
2814         move_by_pieces.
2815
2816 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
2817
2818         * var-tracking.c: Fix some comments.
2819         (frame_stack_adjust): New.
2820         (vt_stack_adjustments): Init stack_adjust of entry block to
2821         minus stack adjustment of function prologue.
2822         (adjust_stack_reference): Do not adjust if adjustment == 0.
2823         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
2824         (emit_notes_in_bb): Likewise.
2825         (vt_add_function_parameters): Do not adjust locations of
2826         function arguments.
2827         (vt_initialize): Compute the stack adjustment of function
2828         prologue and offset the initial "location" of frame_base_decl
2829         from the stack pointer after prologue.
2830
2831 2004-07-04  Richard Henderson  <rth@redhat.com>
2832
2833         * function.c (struct assign_parm_data_all): New.
2834         (struct assign_parm_data_one): New.
2835         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
2836         assign_parm_find_data_types, assign_parms_setup_varargs,
2837         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
2838         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
2839         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
2840         assign_parm_setup_block, assign_parm_setup_reg,
2841         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
2842         (assign_parms): ... here.
2843
2844 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
2845
2846         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
2847         now are bitmap_set_t's.
2848         (bitmap_insert_into_set): No point in inserting the value if
2849         it's invariant.
2850         (bitmap_set_contains): New function.
2851         (bitmap_set_replace_value): Add comment on why we do it
2852         this way.
2853         (set_contains): Removed.
2854         (bitmap_set_subtract_from_value_set): New name of
2855         set_subtract now that it's arguments are two different
2856         types of sets.
2857         Update callers.
2858         (bitmap_find_leader): Change algorithm used.
2859         (find_or_generate_expression): Update use of functions for new
2860         bitmap sets.
2861         (create_expression_by_pieces): Ditto.
2862         (insert_aux): Ditto.
2863         (insert): Ditto.
2864         (add_to_sets): Ditto.
2865         (init_pre): Ditto.
2866         (execute_pre): Ditto.
2867         (compute_avail): Ditto.
2868         Also ignore virtual phis.
2869
2870 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
2871
2872         * combine.c (simplify_comparison): Fix comment typo.
2873
2874 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2875
2876         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
2877         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
2878         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
2879         (output_restore): Change parameter from 'insn' to 'pat'.
2880         (output_return): Adjust call to output_restore.
2881         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
2882         Adjust call to output_restore.
2883
2884 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
2885
2886         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
2887         and assert system is bsd.
2888
2889 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
2890
2891         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
2892         (TARGET_SWITCHES): Remove -mdebugc.
2893         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
2894         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
2895         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
2896         (sle_[sd]i_reg): Delete.
2897
2898 2004-07-04  Steven Bosscher  <stevenb@suse.de>
2899
2900         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2901         Define.
2902         * config/iq2000/iq2000.md: Translate old pipeline description to an
2903         equivalent new one.
2904
2905 2004-07-04  Roger Sayle  <roger@eyesopen.com>
2906
2907         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
2908         Ensure the replacement rhs is valid gimple before performing
2909         the substitution.  Return false if these sanity checks fail.
2910         (fold_stmt): Only set changed to true, if set_rhs returns true.
2911         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
2912         succeeds.
2913
2914 2004-07-04  Richard Henderson  <rth@redhat.com>
2915
2916         PR c/16348
2917         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
2918
2919 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
2920
2921         * configure.ac (ranlib_flags): New variable.
2922         * Makefile.in (RANLIB_FLAGS): New variable.
2923         (libbackend.a): Use it.
2924         * configure: Regenerated.
2925
2926 2004-07-04  Roger Sayle  <roger@eyesopen.com>
2927
2928         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
2929         a "sign mask" instead of using ashr_optab directly.
2930
2931 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
2932
2933         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
2934         * doc/cppopts.texi: Clarify processing of command-line defines.
2935
2936 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
2937
2938         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
2939
2940 2004-07-04  Richard Henderson  <rth@redhat.com>
2941
2942         * rtl.def (ADDRESSOF): Remove.
2943         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
2944         (find_base_term, memrefs_conflict_p): Likewise.
2945         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
2946         (fold_rtx, cse_insn, set_live_p): Likewise.
2947         * dwarf2out.c (mem_loc_descriptor): Likewise.
2948         (add_location_or_const_value_attribute): Likewise.
2949         * emit-rtl.c (copy_insn_1): Likewise.
2950         * explow.c (memory_address): Likewise.
2951         * expmed.c (store_split_bit_field): Likewise.
2952         * expr.c (expand_expr_real_1): Likewise.
2953         * function.c (instantiate_decl
2954         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
2955         * genrecog.c (preds, validate_pattern): Likewise.
2956         * integrate.c (copy_rtx_and_substitute): Likewise.
2957         * recog.c (general_operand, register_operand): Likewise.
2958         (memory_address_p): Likwise.
2959         * reload1.c (eliminate_regs, elimination_effects): Likewise.
2960         * rtl.c (copy_rtx): Likewise.
2961         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
2962         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
2963         * rtlhooks.c (gen_lowpart_general): Likewise.
2964         * stmt.c (expand_asm_operands): Likewise.
2965         * web.c (entry_register, replace_ref, web_main): Likewise.
2966         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
2967         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
2968         * config/arm/arm.c (thumb_rtx_costs): Likewise.
2969         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
2970         * config/frv/frv.c (move_destination_operand, move_source_operand,
2971         condexec_dest_operand, condexec_source_operand,
2972         condexec_memory_operand): Likewise.
2973         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
2974         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
2975         (destination_xfmode_operand): Likewise.
2976         * config/mips/mips.h (PREDICATE_CODES): Likewise.
2977         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
2978         * config/s390/s390.c (general_s_operand): Likewise.
2979         * config/s390/s390.md (mov*): Likewise.
2980         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
2981
2982         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
2983         * expr.c (expand_expr_real_1): Likewise.
2984         * stmt.c (expand_decl): Likewise.
2985         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2986
2987         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
2988         postponed_insns, put_var_into_stack, put_reg_into_stack,
2989         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
2990         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
2991         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
2992         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
2993         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
2994         purge_bitfield_addressof_replacements, purge_addressof_replacements,
2995         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
2996         struct insns_for_mem_walk_info, insns_for_mem_walk,
2997         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
2998         setjmp_protect_args): Remove.
2999         (push_function_context_to): Don't handle var_refs_queue.
3000         (pop_function_context_from, free_after_compilation): Likewise.
3001         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
3002         (assign_parms, allocate_struct_function): Likewise.
3003         (use_register_for_decl): New.
3004         (expand_function_end): Don't setjmp_protect.
3005         * function.h (struct emit_status): Update commentary.
3006         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
3007         (max_parm_reg, parm_reg_stack_loc): Remove.
3008         * passes.c (DFI_addressof): Remove.
3009         (dump_file_info): Remove addressof.
3010         (rest_of_handle_addressof): Remove.
3011         (rest_of_compilation): Don't call it.
3012         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
3013         * stmt.c (expand_decl): Use use_register_for_decl.
3014         * tree.h: Update decls.
3015         * web.c (mark_addressof): Remove.
3016         * doc/invoke.texi (-dF): Remove.
3017
3018 2004-07-03  Richard Henderson  <rth@redhat.com>
3019
3020         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
3021         instead of gen_mem_addressof.
3022         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
3023         TImode output register.
3024
3025 2004-07-03  Richard Henderson  <rth@redhat.com>
3026
3027         PR tree-optimization/16341
3028         * tree-sra.c (sra_walk_function): Increment to next stmt before
3029         processing the current stmt.
3030         (sra_insert_after): Always use BSI_SAME_STMT.
3031
3032 2004-07-03  Richard Henderson  <rth@redhat.com>
3033
3034         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
3035         fp plus with minus.
3036
3037 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3038
3039         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
3040         with tree_int_cst_equal.
3041
3042 2004-07-03  Andreas Schwab  <schwab@suse.de>
3043
3044         * config/ia64/ia64.md: Define new attribute "empty".
3045         (prologue_use, nop_x, insn_group_barrier): Set it.
3046
3047         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
3048         skip over "empty" insns.
3049
3050 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3051
3052         * tree-inline.c (initialize_inlined_parameters): Pass proper function
3053         context to gimplify_body.
3054         (walk_tree): Don't walk into types twice.
3055         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
3056
3057         * tree-sra.c (generate_element_init): Remove any useless conversions.
3058
3059         * gimplify.c (gimplify_conversion): Remove stripping useless
3060         conversions from here.
3061         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
3062         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
3063         Unshare before substituting PLACEHOLDER_EXPR.
3064         (gimplify_modify_expr_to_memset): Likewise.
3065         Pass address of TO to memset, not TO itself.
3066         (gimplify_init_constructor): Make copy of OBJECT so we have it each
3067         time we make an expression (to match a PLACEHOLDER_EXPR).
3068
3069         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
3070         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
3071         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
3072         * tree-ssa-dom.c (local_fold): Likewise.
3073
3074         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
3075         * langhooks.h (strct lang_hooks): New field type_max_size.
3076         * function.c (assign_temp): Call it.
3077
3078 2004-07-03  Steven Bosscher  <stevenb@suse.de>
3079
3080         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
3081         * config/sh/sh.md: Convert the SH1 pipeline description to
3082         a DFA model.
3083
3084 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
3085
3086         * c-decl.c (struct c_binding): Remove contour field; add
3087         depth, invisible, nested fields.
3088         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
3089         (B_IN_EXTERNAL_SCOPE): New convenience macros.
3090         (bind): Add invisible and nested arguments. Initialize
3091         new fields of struct c_binding; adjust loop scanning for
3092         insertion point.
3093         (free_binding_and_advance): Clear structure with memset.
3094         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
3095         in file scope, even if it's in external scope too.
3096         (pushdecl): Adjust to match.  Create invisible file-scope
3097         declarations for block-scope forward declarations of static functions.
3098         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
3099         (undeclared_variable, lookup_label, declare_label, define_label)
3100         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
3101         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
3102         (store_parm_decls_oldstyle): Adjust to match.
3103         (diagnose_mismatched_decls): Correct handling of linkage clashes.
3104         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
3105
3106         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
3107         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
3108
3109 2004-07-02  Richard Henderson  <rth@redhat.com>
3110
3111         * c-decl.c (grokdeclarator): Don't frob current_function_decl
3112         around variable_size.
3113         (set_decl_nonlocal): Remove.
3114         (store_parm_decls): Add stmts for pending sizes.
3115         * calls.c (calls_function, calls_function_1): Remove.
3116         (precompute_arguments): Don't call it.
3117         * cfgexpand.c (set_save_expr_context): Remove.
3118         (tree_expand_cfg): Don't call it.
3119         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
3120         (dwarf2out_finish): Likewise.
3121         * expr.c (emit_block_move): Adjust addresses to BLKmode.
3122         (store_constructor): Don't pre-evaluate SAVE_EXPR.
3123         (safe_from_p): Don't queue SAVE_EXPRs.
3124         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
3125         or build plain VAR_DECLs.
3126         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
3127         (fold): Likewise.
3128         (fold_checksum_tree): Don't special-case SAVE_EXPR.
3129         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
3130         (put_var_into_stack): Don't handle SAVE_EXPR.
3131         (gen_mem_addressof): Likewise.
3132         * function.h (struct function): Remove x_save_expr_regs.
3133         (save_expr_regs): Remove.
3134         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
3135         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
3136         * stor-layout.c (variable_size): Don't set it.
3137         (force_type_save_exprs, force_type_save_exprs_1): Remove.
3138         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
3139         all callers.  Don't set SAVE_EXPR_CONTEXT.
3140         * tree-inline.h (remap_save_expr): Update decl.
3141         * tree.c (save_expr): Update build size.
3142         (first_rtl_op): Don't handle SAVE_EXPR.
3143         (unsave_expr_1, contains_placeholder_p): Likewise.
3144         (decl_function_context): Likewise.
3145         * tree.def (SAVE_EXPR): Remove args 1 and 2.
3146         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
3147         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
3148
3149 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3150
3151         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
3152         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
3153         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
3154         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
3155         some first-person references and patronizing comments.  Based on
3156         printed manual.
3157         * doc/invoke.texi: Don't reference fortran@gnu.org.
3158         * doc/trouble.texi (Warning when a non-void function value is
3159         ignored): Rewrite.  From Russ Allbery and Chris Devers.
3160
3161 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
3162
3163         * tree-ssa-pre.c (bitmap_set_t): New.
3164         (bb_value_sets): avail_out is now a bitmap_set_t.
3165         (bitmap_find_leader): New function.
3166         (bitmap_value_insert_into_set): Ditto.
3167         (bitmap_set_copy): Ditto.
3168         (bitmap_value_replace_in_set): Ditto.
3169         (bitmap_set_contains_value): Ditto.
3170         (bitmap_set_new): Ditto.
3171         (bitmap_set_pool): New pool.
3172         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
3173         (insert_aux): Ditto.
3174         (add_to_sets): Ditto.
3175         (compute_avail): Ditto
3176         (eliminate): Ditto.
3177         (init_pre): Ditto.
3178         (fini_pre): Ditto.
3179         (execute_pre): Ditto.
3180
3181 2004-07-02  Roger Sayle  <roger@eyesopen.com>
3182
3183         * config/rs6000/rs6000.c (struct processor_costs): New structure
3184         used to hold instruction latencies/sizes for processor types.
3185         (rs6000_cost): New global variable pointing to current CPU's costs.
3186         (rs6000_override_options): Initialize rs6000_cost to point to the
3187         appropriate cost table based upon rs6000_cpu and optimize_size.
3188         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
3189         timings inline.
3190
3191 2004-07-02  Richard Henderson  <rth@redhat.com>
3192
3193         * expmed.c (make_tree): Don't use SET_DECL_RTL.
3194
3195 2004-07-02  Steven Bosscher  <stevenb@suse.de>
3196
3197         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
3198
3199 2004-07-01  Richard Henderson  <rth@redhat.com>
3200
3201         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
3202         (alpha_gp_save_rtx): Use assign_stack_local instead of
3203         gen_mem_addressof.
3204
3205 2004-07-01  Richard Henderson  <rth@redhat.com>
3206
3207         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
3208         (alpha_rtx_cost_data): Update to match.
3209         (alpha_rtx_cost_size): New.
3210         (alpha_rtx_costs): Honor optimize_size.
3211
3212 2004-07-01  Richard Henderson  <rth@redhat.com>
3213
3214         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
3215         * cfgexpand.c (tree_expand_cfg): Do it here.
3216         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
3217         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
3218         * config/mips/mips.c (mips_output_mi_thunk): And here.
3219         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
3220         * config/sh/sh.c (sh_output_mi_thunk): And here.
3221         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
3222
3223 2004-07-01  Richard Henderson  <rth@redhat.com>
3224
3225         * tree.def (RTL_EXPR): Remove.
3226         * c-typeck.c (lvalue_p): Don't handle it.
3227         * expr.c (safe_from_p): Likewise.
3228         (expand_expr_real_1): Likewise.
3229         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
3230         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
3231         * gengtype.c (adjust_field_tree_exp): Likewise.
3232         * stmt.c (warn_if_unused_value): Likewise.
3233         * tree-gimple.c (recalculate_side_effects): Likewise.
3234         * tree-pretty-print.c (dump_generic_node): Likewise.
3235         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
3236         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
3237         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
3238
3239         * stmt.c (struct stmt_status): Remove x_last_expr_type,
3240         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
3241         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
3242         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
3243         all the bits that tracked last_expr.
3244         (expand_end_bindings): Don't track last_expr.
3245         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
3246         (clear_last_expr): Remove.
3247         (expand_asm): Don't call it.
3248         (expand_asm_operands, expand_end_cond): Likewise.
3249         (expand_naked_return, expand_null_return_1): Likewise.
3250         * c-typeck.c (c_begin_compound_stmt): Likewise.
3251         * cfgexpand.c (expand_block): Use expand_expr_stmt.
3252         * expr.c (expand_expr_real_1): Likewise.
3253         * tree.h: Update prototypes.
3254
3255         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
3256         (struct emit_status): Remove sequence_rtl_expr.
3257         (struct function): Remove x_rtl_expr_chain.
3258         (seq_rtl_expr, rtl_expr_chain): Remove.
3259         * function.c (struct temp_slot): Remove rtl_expr.
3260         (assign_stack_temp_for_type): Don't set it.
3261         (free_temp_slots, pop_temp_slots): Don't check it.
3262         (free_after_compilation): Don't clear x_rtl_expr_chain.
3263         (fixup_var_refs): Don't search it.
3264         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
3265         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
3266         or seq_rtl_expr.
3267         (push_topmost_sequence): Likewise.
3268         (end_sequence, init_emit): Likewise.
3269         (start_sequence_for_rtl_expr): Remove.
3270         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
3271         * rtl.h (preserve_rtl_expr_result): Remove.
3272
3273 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
3274
3275         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
3276         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
3277         typos.
3278
3279 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3280
3281         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
3282         (STANDARD_STARTFILE_PREFIX_2): Define.
3283         (standard_startfile_prefix_1): Initialize to
3284         STANDARD_STARTFILE_PREFIX_1.
3285         (standard_startfile_prefix_2): Initialize to
3286         STANDARD_STARTFILE_PREFIX_2.
3287         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
3288         (STANDARD_STARTFILE_PREFIX_1): Define.
3289         (STANDARD_STARTFILE_PREFIX_2): Define.
3290         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
3291         (STANDARD_STARTFILE_PREFIX_2): Document.
3292
3293 2004-07-01  Richard Henderson  <rth@redhat.com>
3294
3295         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
3296         in order to disable scalarization.  Instead set a flag and wait
3297         for a candidate decl.
3298
3299 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
3300
3301         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
3302         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
3303         Use terminology "testsuite" and "enumerated".
3304
3305 2004-07-01  Richard Henderson  <rth@redhat.com>
3306
3307         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
3308         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
3309         (initial_return_save): Likewise.
3310         (flush_queued_reg_saves): Remap register numbers.
3311         (dwarf2out_return_reg): Likewise.
3312
3313 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3314
3315         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
3316
3317         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
3318         access functions for lower bound and element size and only output
3319         if lower bound nonzero or element size not same as that of type.
3320         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
3321
3322 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3323
3324         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
3325
3326 2004-07-01  Per Bothner  <per@bothner.com>
3327
3328         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
3329
3330 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
3331
3332         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
3333         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
3334         first operand.  Don't optimize if the bitfield is volatile.
3335
3336 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3337
3338         * c-pretty-print.c (pp_c_postfix_expression): Handle
3339         floating-point comparison operators.
3340         (pp_c_expression): Pass floating-point comparison
3341         operators to pp_c_postfix_expression.
3342
3343 2004-07-01  Roger Sayle  <roger@eyesopen.com>
3344
3345         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
3346         rtx_cost instead of "had_mult" to determine whether the transformed
3347         expression is cheaper than the original.
3348
3349 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
3350
3351         * alias.c (get_alias_set, canon_rtx, get_addr,
3352         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
3353         Use MEM_P.
3354         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
3355         expand_builtin): Likewise.
3356         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
3357         Likewise.
3358         * combine.c (can_combine_p, combinable_i3pat, try_combine,
3359         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
3360         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
3361         record_dead_and_set_regs_1, get_last_value_validate,
3362         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
3363         * cse.c (check_dependence, canon_hash, equiv_constant,
3364         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
3365         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
3366         count_reg_usage): Likewise.
3367         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
3368         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
3369         cselib_record_sets): Likewise.
3370         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
3371         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
3372         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
3373         * df.c (df_uses_record): Likewise.
3374         * dojump (do_jump): Likewise.
3375         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
3376         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
3377         decl_start_label): Likewise.
3378         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
3379         operand_subword, change_address_1, make_safe_from): Likewise.
3380         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
3381         stabilize, force_not_mem): Likewise.
3382         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
3383         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
3384         * expr.c (convert_move, convert_modes, emit_block_move,
3385         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
3386         emit_move_insn_1, expand_assignment, store_expr,
3387         store_constructor_field, store_constructor, store_field,
3388         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
3389         Likewise.
3390         * final.c (cleanup_subreg_operands, alter_subreg,
3391         get_mem_expr_from_op): Likewise.
3392         * flow.c (notice_stack_pointer_modification_1,
3393         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
3394         Likewise.
3395         * function.c (mark_temp_addr_taken, preserve_temp_slots,
3396         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
3397         optimize_bit_field, flush_addressof, purge_addressof_1,
3398         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
3399         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
3400         keep_stack_depressed): Likewise.
3401         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
3402         noce_process_if_block, find_memory): Likewise.
3403         * integrate.c (subst_constants, allocate_initial_values): Likewise.
3404         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
3405         update_equiv_regs): Likewise.
3406         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
3407         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
3408         * optabs.c (expand_abs, emit_unop_insn): Likewise.
3409         * passes.c (rest_of_handle_final): Likewise.
3410         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
3411         move2add_note_store): Likewise.
3412         * ra-build.c (detect_remat_webs): Likewise.
3413         * ra-debug.c (dump_static_insn_cost): Likewise.
3414         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
3415         * recog.c (validate_change, apply_change_group, cancel_changes,
3416         validate_replace_rtx_1, general_operand, register_operand,
3417         nonmemory_operand, push_operand, pop_operand, memory_operand,
3418         indirect_operand, asm_operand_ok, offsettable_memref_p,
3419         offsettable_nonstrict_memref_p, constrain_operands,
3420         store_data_bypass_p): Likewise.
3421         * reg-stack.c (subst_stack_regs_pat): Likewise.
3422         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
3423         copy_cost, reg_scan_mark_refs): Likewise.
3424         * regmove.c (optimize_reg_copy_3, stack_memref_p,
3425         combine_stack_adjustments_for_block): Likewise.
3426         * regrename.c (copyprop_hardreg_forward_1): Likewise.
3427         * reload.c (can_reload_into, push_reload, decompose, immune_p,
3428         find_reloads, find_reloads_address, find_reloads_address_1,
3429         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
3430         find_equiv_reg): Likewise.
3431         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
3432         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
3433         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
3434         delete_address_reloads): Likewise.
3435         * resource.c (mark_referenced_resources): Likewise.
3436         * rtlanal.c (get_jump_table_offset, count_occurrences,
3437         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
3438         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
3439         num_sign_bit_copies1): Likewise.
3440         * rtlhooks.c (gen_lowpart_general): Likewise.
3441         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
3442         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
3443         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
3444         sdbout_global_decl): Likewise.
3445         * simplify-rtx.c (simplify_subreg): Likewise.
3446         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
3447         expand_anon_union_decl, expand_end_case_type): Likewise.
3448         * unroll.c (calculate_giv_inc): Likewise.
3449         * var-tracking.c (stack_adjust_offset_pre_post,
3450         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
3451         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
3452         vt_add_function_parameters): Likewise.
3453         * varasm.c (make_var_volatile, notice_global_symbol,
3454         assemble_external, decode_addr_const, mark_weak,
3455         default_encode_section_info): Likewise.
3456
3457 2004-07-01  Steven Bosscher  <stevenb@suse.de>
3458
3459         * stmt.c (check_seenlabel): Remove.
3460         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
3461
3462 2004-07-01  Richard Henderson  <rth@redhat.com>
3463
3464         * function.h (struct function): Remove x_function_call_count.
3465         (function_call_count): Remove.
3466         * calls.c (expand_call): Don't set it.
3467         * integrate.c (copy_rtx_and_substitute): Likewise.
3468
3469         * function.h (struct function): Remove x_cleanup_label.
3470         (cleanup_label): Remove.
3471         * stmt.c (expand_value_return): Don't use it.
3472         * function.c (free_after_compilation): Don't set it.
3473         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
3474         * cfgexpand.c (tree_expand_cfg): Update call.
3475         * tree.h (expand_function_start): Update decl.
3476
3477 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
3478
3479         PR c/1027
3480         * c-lang.c (c_initialize_diagnostics): Move from here ...
3481         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
3482         (c_tree_printer): Use pretty-printer to format %T.
3483         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
3484         before '*' if not C++.
3485         (pp_c_direct_abstract_declarator): Don't try to print array upper
3486         bound for flexible array members.
3487         * c-tree.h: Include "diagnostic.h".
3488         (c_initialize_diagnostics): Declare.
3489         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
3490         * c-format.c (format_type_warning): New function.  Improve
3491         diagnostics for incorrect format argument types.
3492         (check_format_types): Use it.  Add two parameters.  Use the
3493         TYPE_MAIN_VARIANT of wanted_type.
3494         (check_format_info_main): Pass new parameters to
3495         check_format_types.
3496         (struct format_wanted_type): Update comment.
3497
3498 2004-07-01  Nick Clifton  <nickc@redhat.com>
3499
3500         * target.h (struct gcc_target): Add new field to struct cxx:
3501         import_export_class.
3502         * target-def.h (TARGET_CXX): Initialise the new field.
3503         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
3504         the new field.
3505         * doc/tm.texi: Document the new target hook.
3506
3507 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3508
3509         * builtins.c (fold_builtin_classify): Fix typo.
3510
3511 2004-07-01  Richard Henderson  <rth@redhat.com>
3512
3513         * function.c (identify_blocks, identify_blocks_1): Remove.
3514         * function.h (identify_blocks): Remove.
3515         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
3516
3517 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3518
3519         * builtins.c (fold_builtin_classify): New.
3520         (fold_builtin_unordered_cmp): Fix commentary.
3521         (fold_builtin): Use it.
3522         * builtins.def: Define builtins for isnan,
3523         isnanf, isnanl, finite, finitef, finitel,
3524         isinf, isinff, isinfl.
3525
3526 2004-07-01  Richard Henderson  <rth@redhat.com>
3527
3528         * function.h (struct function): Remove dont_emit_block_notes.
3529         * gimple-low.c (lower_function_body): Don't set it.
3530         * cfgexpand.c (expand_block): Don't check it.
3531         * cfglayout.c (insn_locators_initialize): Likewise.
3532         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
3533         * passes.c (rest_of_compilation): Likewise.
3534         * stmt.c (expand_start_bindings_and_block): Likewise.
3535         (expand_end_bindings): Likewise.
3536
3537 2004-07-01  Richard Henderson  <rth@redhat.com>
3538
3539         * cgraph.h (cgraph_build_static_cdtor): Declare.
3540         * cgraphunit.c (cgraph_build_static_cdtor): New.
3541         * c-objc-common.c (build_cdtor): Use it.
3542         * coverage.c (create_coverage): Likewise.
3543         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
3544         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
3545
3546 See ChangeLog.11 for earlier changes.