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* config/xtensa/xtensa.c (function_arg_advance): Check for args
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
2
3         * config/xtensa/xtensa.c (function_arg_advance): Check for args
4         that must be passed in the stack.
5         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
6         arguments if the size is not a constant.
7
8 2004-07-14  Per Bothner  <per@bothner.com>
9
10         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
11         instead of EXPR_LOCUS in a boolean context, which is always true
12         if --enable-mapped-location.
13         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
14
15 2004-07-14  Richard Henderson  <rth@redhat.com>
16
17         * dominance.c (struct dom_info): Add fake_exit_edge.
18         (init_dom_info): Allocate it.
19         (free_dom_info): Free it.
20         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
21         in two passes.
22         (calc_idoms): Honor fake_exit_edge.
23
24 2004-07-13  Jason Merrill  <jason@redhat.com>
25
26         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
27         (rhs_test_for): New fn.
28         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
29         * tree-gimple.h: Declare them.
30         * gimplify.c (gimplify_modify_expr): Use the new fns.
31
32 2004-07-14  Richard Henderson  <rth@redhat.com>
33
34         * config/arm/arm-protos.h (arm_va_arg): Remove.
35         * config/arm/arm.c (arm_va_arg): Remove.
36         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
37         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
38
39 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
40
41         * pa.c (fix_range): New function to mark a range(s) of registers as
42         fixed registers.
43         (override_options): Call fix_range if the -mfixed-range option string
44         is not empty.
45         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
46         * doc/invoke.texi (-mfixed-range): Document new option.
47
48 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
49
50         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
51         for TARGET_64BIT.
52         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
53
54 2004-07-14  Roger Sayle  <roger@eyesopen.com>
55
56         * expmed.c (expand_sdiv_pow2): New function to expand signed division
57         by a positive power of two, split out from expand_divmod.  Provide
58         an alternate implementation when shifts are expensive.  Lower the
59         threshold for using a branchless implementation to BRANCH_COST >= 2.
60         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
61
62 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
63
64         * tree-dfa.c (make_rename_temp): *Really* work just
65         like create_tmp_var if called while outside SSA form.
66
67 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
68
69         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
70         for division by zero.
71         ("umodsi3"): Likewise.
72
73 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
74
75         * config/mips/mips.c (mips_output_move): When generating mips16 code,
76         force loads of negative constants to be split.
77         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
78         Generalize SImode li/neg splitter to cope with other modes.
79
80 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
81
82         * expmed.c: Remove more references to QUEUED in the comments.
83         * expr.c: Likewise.
84
85 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
86
87         Revert:
88         2004-07-13  Richard Henderson  <rth@redhat.com>
89         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
90         correctly.
91
92 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
93
94         * tree-dfa.c (make_rename_temp): Work just like
95         create_tmp_var if called while outside SSA form.
96
97 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
98
99         * expr.c (enqueue_insn, finish_expr_for_function,
100         protect_from_queue, queued_subexp_p, mark_queue,
101         emit_insns_enqueued_after_mark, emit_queue,
102         expand_increment): Remove.
103         (store_constructor): Expand increment as an assignment.
104         (expand_expr_real_1 <case PREINCREMENT_EXPR,
105         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
106         case POSTDECREMENT_EXPR>): Abort.
107         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
108         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
109         protect_from_queue, emit_queue, queued_subexp_p): Remove.
110         * function.h (pending_chain, x_pending_chain): Remove.
111         * rtl.def (QUEUED): Remove.
112
113         * emit-rtl.c (copy_insn_1, copy_most_rtx,
114         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
115         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
116         encode_units_mask): Likewise.
117         * local-alloc.c (equiv_init_varies_p): Likewise.
118         * rtl.c (copy_rtx): Likewise.
119         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
120         * simplify-rtx.c (simplify_gen_subreg): Likewise.
121         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
122
123         * builtins.c (expand_builtin, expand_builtin_apply,
124         expand_builtin_mathfn, expand_builtin_mathfn_2,
125         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
126         Remove calls to emit_queue and protect_from_queue.
127         * calls.c (expand_call, precompute_arguments,
128         precompute_register_parameters, rtx_for_function_call,
129         store_one_arg): Likewise.
130         * dojump.c (do_compare_and_jump, do_jump): Likewise.
131         * explow.c (memory_address): Likewise.
132         * expmed.c (clear_by_pieces_1, clear_storage,
133         clear_storage_via_libcall, emit_group_load,
134         emit_group_store, emit_store_flag,
135         expand_expr_real_1, store_by_pieces,
136         store_constructor, store_expr, try_casesi,
137         try_tablejump): Likewise.
138         * function.c (expand_pending_sizes): Likewise.
139         * optabs.c (emit_cmp_and_jump_insns,
140         emit_conditional_add, emit_conditional_move,
141         expand_fix, expand_float, prepare_cmp_insn): Likewise.
142         * stmt.c (emit_case_bit_tests,
143         expand_asm_expr, expand_computed_goto,
144         expand_decl_init, expand_end_case_type,
145         expand_end_stmt_expr, expand_expr_stmt_value,
146         expand_return, expand_start_case,
147         optimize_tail_recursion): Likewise.
148         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
149         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
150
151 2004-07-14  Ben Elliston  <bje@au.ibm.com>
152
153         * vec.h: Comment fix.
154
155 2004-07-13  Richard Henderson  <rth@redhat.com>
156
157         * target.h (struct gcc_target): Add calls.pass_by_reference.
158         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
159         * function.c (pass_by_reference): Use the hook.
160         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
161         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
162         (hook_pass_by_reference_must_pass_in_stack): New.
163         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
164         (alpha_pass_by_reference): New.
165         (TARGET_PASS_BY_REFERENCE): New.
166         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
167         * config/arc/arc.c (arc_pass_by_reference): New.
168         (TARGET_PASS_BY_REFERENCE): New.
169         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
170         (FUNCTION_ARG_CALLEE_COPIES): True.
171         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
172         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
173         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
174         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
175         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
176         * config/cris/cris.c (cris_pass_by_reference): New.
177         (TARGET_PASS_BY_REFERENCE): New.
178         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
179         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
180         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
181         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
182         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
183         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
184         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
185         (frv_function_arg_pass_by_reference): Remove.
186         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
187         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
188         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
189         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
190         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
191         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
192         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
193         (ia64_pass_by_reference): Rename from
194         ia64_function_arg_pass_by_reference.
195         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
196         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
197         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
198         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
199         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
200         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
201         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
202         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
203         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
204         (m32r_pass_by_reference): Adjust prototype.  Make static.
205         Handle mode sizes correctly.
206         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
207         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
208         (m68hc11_function_arg_pass_by_reference): Remove.
209         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
210         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
211         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
212         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
213         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
214         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
215         (mips_va_arg): Use pass_by_reference.
216         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
217         Handle mode sizes correctly.
218         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
219         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
220         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
221         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
222         (mmix_pass_by_reference): Rename from
223         mmix_function_arg_pass_by_reference.
224         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
225         (FUNCTION_ARG_CALLEE_COPIES): True.
226         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
227         (mn10300_pass_by_reference): New.
228         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
229         (FUNCTION_ARG_CALLEE_COPIES): True.
230         * config/pa/pa.c (pa_pass_by_reference): New.
231         (TARGET_PASS_BY_REFERENCE): New.
232         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
233         (FUNCTION_ARG_CALLEE_COPIES): True.
234         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
235         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
236         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
237         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
238         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
239         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
240         (s390_pass_by_reference): Rename from
241         s390_function_arg_pass_by_reference.
242         (s390_function_arg_advance): Don't query pass-by-ref.
243         (s390_function_arg): Likewise.
244         (s390_gimplify_va_arg): Use pass_by_reference.
245         (s390_call_saved_register_used): Likewise.
246         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
247         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
248         (shcompact_byref, sh_pass_by_reference): New.
249         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
250         (SHCOMPACT_BYREF): Remove.
251         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
252         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
253         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
254         (sparc_gimplify_va_arg): Use pass_by_reference.
255         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
256         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
257         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
258         (v850_pass_by_reference): New.
259         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
260         (FUNCTION_ARG_CALLEE_COPIES): True.
261         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
262         FUNCTION_ARG_PASS_BY_REFERENCE docs.
263
264 2004-07-14  Richard Henderson  <rth@redhat.com>
265             Richard Sandiford  <rsandifo@redhat.com>
266
267         * config/mips/mips-protos.h (mips_va_arg): Delete.
268         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
269         * config/mips/mips.c: Include tree-gimple.h.
270         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
271         (mips_arg_info): Remove special handling of must_pass_in_stck args.
272         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
273         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
274
275 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
276
277         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
278         arguments for COND_EXPR in big-endian adjustment code.
279
280 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
281
282         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
283         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
284         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
285         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
286
287 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
288
289         PR tree-optimization/16443
290         * tree-ssa-alias.c: Add more description for
291         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
292         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
293         clobbering of call-clobbered and addressable variables.  If
294         there are any before aliases have been computed, add them.
295
296 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
297
298         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
299         verification.
300
301 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
302
303         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
304         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
305         to the same type.
306
307 2004-07-13  Per Bothner  <per@bothner.com>
308
309         * collect2.c (main):  Handle --no-demangle and --demangle flags.
310
311 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
312
313         * Makefile.in (OBJS-common): Add tree-data-ref.o.
314         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
315         (tree-data-ref.o): New rule.
316         * lambda.h: New file.
317         * tree-data-ref.c: New file.
318         * tree-data-ref.h: New file.
319         * tree.c (int_cst_value, tree_fold_gcd): New functions.
320         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
321         
322 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
323
324         PR target/13926
325         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
326         * config/sparc/sparc.c (output_ubranch): New function.
327         * config/sparc/sparc.md (jump pattern): Use it.
328
329 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
330
331         PR target/16494
332         * config/sparc/sparc.c (output_cbranch): Properly guard
333         the code handling far branches with TARGET_V9.
334         * config/sparc/sparc.md (length attribute): Document the
335         side-effect of having a length greater or equal to 3.
336
337 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
338             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
339
340         PR target/15186
341         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
342         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
343
344 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
345             Martin Sebor  <sebor@roguewave.com>
346
347         PR target/12602
348         * doc/invoke.texi (SPARC options): Document -threads
349         and -pthreads on Solaris.
350
351 2004-07-13  Richard Henderson  <rth@redhat.com>
352
353         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
354         by reference.
355         (ind_gimplify_va_arg_expr): Remove.
356         * tree.h (ind_gimplify_va_arg_expr): Remove.
357         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
358         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
359         argsp to be null.
360
361         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
362         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
363         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
364         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
365         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
366
367 2004-07-13  Richard Henderson  <rth@redhat.com>
368
369         * function.c (pass_by_reference): New.
370         (assign_parm_find_data_types): Use it.
371         * calls.c (initialize_argument_information): Likewise.
372         (emit_library_call_value_1): Likewise.
373         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
374         * function.h (pass_by_reference): Declare.
375
376 2004-07-13  Richard Henderson  <rth@redhat.com>
377
378         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
379         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
380         * expr.h (MUST_PASS_IN_STACK): Remove.
381         * system.h (MUST_PASS_IN_STACK): Poison.
382         * tree.h (must_pass_in_stack_var_size): Declare.
383         (must_pass_in_stack_var_size_or_pad): Declare.
384         * calls.c (must_pass_in_stack_var_size): New.
385         (must_pass_in_stack_var_size_or_pad): Rename from 
386         default_must_pass_in_stack.
387         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
388         (TARGET_MUST_PASS_IN_STACK): New.
389         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
390         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
391         (TARGET_MUST_PASS_IN_STACK): New.
392         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
393         * config/frv/frv.c (frv_must_pass_in_stack): New.
394         (TARGET_MUST_PASS_IN_STACK): New.
395         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
396         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
397         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
398         (ix86_must_pass_in_stack): Make static.
399         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
400         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
401         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
402         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
403         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
404         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
405         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
406         (mcore_must_pass_on_stack): Remove.
407         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
408         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
409         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
410         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
411         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
412         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
413         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
414         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
415         (TARGET_MUST_PASS_IN_STACK): New.
416         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
417         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
418         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
419         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
420         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
421         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
422         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
423         MUST_PASS_IN_STACK.
424
425         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
426         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
427         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
428         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
429         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
430         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
431         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
432         config/xtensa/xtensa.c: Use target hook.
433
434 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
435
436         * configure.ac (gcc_cv_as_offsetable_lo10: Fix a typo.
437         * configure: Rebuilt.
438
439 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
440
441         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
442         * config/mips/mips.h (mips_reg_names): Don't declare.
443         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
444         (TARGET_NAME_REGS): Delete.
445         (TARGET_SWITCHES): Remove -mrnames.
446         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
447         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
448         in REGISTER_NAMES.
449         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
450         (override_options): Remove handling of TARGET_NAME_REGS.
451
452 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
453
454         * config/mips/mips.h (TARGET_*): Boolify.
455
456 2004-07-12  Nick Clifton  <nickc@redhat.com>
457
458         * config.gcc: Add sh-*-symbianelf target.
459         * config/sh/sh.c: Add new target macros:
460         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
461         TARGET_CXX_IMPORT_EXPORT_CLASS.
462         (sh_file_start): Create a definition of the .directive section.
463         (sh_attribute): Add dllimport and dllexport attributes.
464         * config/sh/symbian-pre.h: New file.
465         * config/sh/symbian-post.h: New file.
466         * config/sh/symbian.c: New file. Contains Symbian specific
467         functions.
468         * config/sh/sh-protos.h: Add prototypes for new functions
469         provided by symbian.c.
470         * config/sh/t-symbian: New file.
471         * doc/extend.texi: Document support for dllimport and dllexport
472         attributes by the sh-symbianelf target.
473
474 2004-07-12  James E Wilson  <wilson@specifixinc.com>
475
476         * Makefile.in (AR): Use @AR@ not ar.
477         (NM): New.
478         (AR_FOR_TARGET): Use $(AR) not ar for native.
479         (NM_FOR_TARGET): Use $(NM) not nm for native.
480         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
481         * configure: Regenerate.
482         
483 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
484
485         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
486         special case.
487         (ashldi3_sp64): Likewise.
488
489 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
490
491         PR target/16477
492         * pa.c (function_arg): Update comment.
493         * pa.h (BLOCK_REG_PADDING): Define.
494
495 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
496
497         PR tree-optimization/16461
498         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
499         arguments of phi nodes.
500
501 2004-07-12  Devang Patel  <dpatel@apple.com>
502
503         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
504         
505 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
506
507         * function.c (expand_function_start): Ensure r_save is in Pmode.
508         * calls.c (prepare_call_address): Ensure static_chain_value is
509         in Pmode.
510         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
511         r_save_area are in Pmode.
512         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
513         fnaddr, and static_chain are in Pmode.
514
515 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
516
517         PR target/16445
518         * config/ia64/ia64.c (bundling): Don't count ignored insns.
519
520 2004-07-12  Richard Henderson  <rth@redhat.com>
521
522         * target.h (struct gcc_target): Move gimplify_va_arg_expr
523         next to build_builtin_va_list.
524         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
525         * builtins.c (gimplify_va_arg_expr): Likewise.
526         * gimplify.c (copy_if_shared_r): Likewise.
527
528 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
529
530         * passes.c (rest_of_decl_compilation): Don't defer call of
531         assemble_variable if its DECL_RTL is already set.
532
533 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
534
535         * cfgloop.h (struct loop): Add nb_iterations field.
536         (current_loops): Declare.  
537         * tree-chrec.c (chrec_not_analyzed_yet,
538         chrec_dont_know, chrec_known, count_ev_in_wider_type,
539         chrec_contains_symbols_defined_in_loop): Remove the temporary
540         hooks. 
541         * tree-flow-inline.h (loop_containing_stmt): New function.
542         * tree-scalar-evolution.c: Add implementation.
543         * tree-scalar-evolution.h: Add declarations.
544
545 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
546
547         PR rtl-optimization/15921
548         * Makefile.in (global.o): Add recog.h.
549         
550         * global.c (recog.h): Add the include-clause.
551         (bb_info): New member earlyclobber.
552         (allocate_bb_info, free_bb_info): Initialize/finish the new
553         member.
554         (earlyclobber_regclass, earlyclobber_regclass_length): The new
555         global variables.
556         (check_earlyclobber, regclass_intersect,
557         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
558         New functions.
559         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
560         (make_accurate_live_analysis): Modify pavin.
561         
562 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
563
564         * tree-cfg.c (find_taken_edge): Statically compute the truth
565         value of a predicate comparing an SSA_NAME to itself.
566
567 2004-07-12  Roger Sayle  <roger@eyesopen.com>
568
569         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
570         rs6000 doesn't have shift-and-add or shift-and-sub instructions
571         by returning the cost of a multiplication plus an addition.
572
573 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
574
575         PR tree-optimization/14107
576         * gimplify.c (gimplify_return_expr): Accept a
577         RETURN_EXPR with an error argument.
578         * tree-optimize.c (init_tree_optimization_passes):
579         Run pass_warn_function_return at -O0.
580
581 2004-07-12  Roger Sayle  <roger@eyesopen.com>
582
583         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
584         index entry.
585
586 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
587
588         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
589         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
590         * config/mips/3000.md: Add copyright notice.  Remove automota and
591         function units; use generic ones instead.  Only define reservations
592         for things that are different from generic.md.  Extend each clause
593         to include r3900.
594         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
595         * config/mips/mips.md: Include them. Remove define_function_units.
596         (alu, imuldiv): New automata and units.
597
598 2004-07-12  Ben Elliston  <bje@au.ibm.com>
599
600         * doc/invoke.texi (Optimize Options): Document -frename-registers
601         not being enabled by default at -O3.
602
603 2004-07-11  Roger Sayle  <roger@eyesopen.com>
604
605         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
606         floating point additions, to keep real immediate constant positive.
607         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
608         into X + C, and leave positive real constants as X - C.
609
610 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
611
612         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
613
614 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
615
616         PR tree-optimization/15654
617         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
618
619 2004-07-11  Roger Sayle  <roger@eyesopen.com>
620
621         * builtins.c (fold_builtin_fputs): Don't bother converting the
622         return type to integer_type_node, as we've already checked that
623         the result will be ignored.
624
625         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
626         that signed addition, subtraction, multiplication, division,
627         remainder, negation and absolute value may potentially trap.
628
629         * fold-const.c (fold_ignored_result): New function to strip
630         non-side-effecting tree nodes from an expression whose result
631         is ignored.
632         (fold_convert): Call fold_ignored_result when casting a value
633         to VOID_TYPE.
634         (omit_one_operand):  Call fold_ignored_result on the "omitted"
635         operand when building a COMPOUND_EXPR.
636         (pedantic_omit_one_operand): Likewise.
637         * tree.h (fold_ignored_result): Prototype here.
638         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
639         when we're going to ignore the result.
640
641 2004-07-11  Richard Henderson  <rth@redhat.com>
642
643         PR tree-opt/16383
644         * tree-ssa-ccp.c (fold_stmt_r): Split out...
645         * tree.c (fields_compatible_p, find_compatible_field): ... new.
646         * tree.h (fields_compatible_p, find_compatible_field): Declare.
647         * tree-sra.c (sra_hash_tree): Hash fields by offset.
648         (sra_elt_eq): Use fields_compatible_p.
649         (generate_one_element_ref): Use find_compatible_field.
650
651 2004-07-11  Richard Henderson  <rth@redhat.com>
652
653         PR tree-opt/16422
654         * tree-sra.c (generate_one_element_init): New.
655         (generate_element_init): Use it.
656         (scalarize_init): Push/pop gimplify context around it.
657         (find_new_referenced_vars_1, find_new_referenced_vars): New.
658         * gimplify.c (gimplify_expr): Allow SSA_NAME.
659
660 2004-07-11  Roger Sayle  <roger@eyesopen.com>
661
662         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
663         combine.c's combine_insn_cost.
664         * rtl.h (insn_rtx_cost): Prototype here.
665         * combine.c (combine_insn_cost): Delete function.
666         (combine_validate_cost): Update callers of combine_insn_cost to
667         call insn_rtx_cost instead.
668         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
669         requesting the rtx_cost of call and/or jump instructions.
670
671         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
672         rtx_cost directly.  Don't request/use the cost of call or jump
673         instructions.  Return -1 if the cost of any instruction can't be
674         determined (or the BB contains a function call).
675         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
676         -1 (i.e. can't determine the cost of any instruction or the basic
677         block contains a subroutine call).
678         (find_if_case_2): Likewise.
679
680 2004-07-11  Roger Sayle  <roger@eyesopen.com>
681
682         * rs6000.c (struct processor_costs): Change semantics of fields to
683         include the COST_N_INSNS scaling, and update all initializers.
684         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
685         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
686         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
687         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
688
689 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
690
691         * LANGUAGES: Remove obsolete information.
692
693 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
694
695         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and 
696         SIGBUS signal frames, the PSW address points *to* the faulting
697         instruction, not after it.
698
699 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
700
701         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
702         added to TLS symbol addresses.
703
704 2004-07-11  Richard Henderson  <rth@redhat.com>
705
706         * expmed.c (init_expmed): Use stack-local structures for 
707         temporary rtl.  Don't recognize shifts.
708
709 2004-07-11  Richard Henderson  <rth@redhat.com>
710
711         * expr.c (store_expr): Don't fiddle subreg promotion for types
712         with precision smaller than the mode.
713
714 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
715
716         * tree.h (all_types_permanent): Remove.
717
718 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
719
720         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
721         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
722         * langhooks.c (lhd_clear_binding_stack): Remove.
723         * langhooks-def.h (lhd_clear_binding_stack,
724         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
725         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
726         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
727         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
728         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
729         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
730         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
731         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
732         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
733         * tree.h (poplevel): Don't declare.
734         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
735         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
736         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
737         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
738         Remove.
739
740 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
741
742         PR tree-optimization/16437
743         * c-common.c (shorten_compare): Don't mark result of conversion to
744         narrower signed type as overflowing.
745         * fold-const.c (decode_field_reference): Determine whether
746         signedness comes from outer type using precision rather than size.
747
748 2004-07-11  Phil Edwards  <phil@codesourcery.com>
749
750         * configure.ac:  Alphabetize --enable-checking list, add
751         missing valgrind entry.
752         * configure:  Regenerate.
753
754 2004-07-11  Phil Edwards  <phil@codesourcery.com>
755
756         * doc/install.texi (Testing):  Fix syntax in "make check" example.
757
758 2004-07-10  James E Wilson  <wilson@specifixinc.com>
759
760         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
761
762 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
763
764         PR rtl-optimization/16001
765         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
766         niter_expr.
767
768 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
769
770         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
771
772 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
773             James Morrison  <phython@gcc.gnu.org>
774
775         * doc/contrib.texi (Contributors): Add gfortran contributors and
776         fix a couple of typos.
777
778 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
779
780         PR rtl-optimization/15387
781         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
782         to incoming args space correctly.
783
784 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
785
786         * pa.c (output_indirect_call): Only use %r2 as the link register in
787         indirect calls with the long PA 2.0 pc-relative branch.
788
789 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
790
791         * config/i386/i386.c (override_options): Pick a 64-bit CPU
792         for the default tuning if TARGET_64BIT.
793
794 2004-07-10  Richard Henderson  <rth@redhat.com>
795
796         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
797         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
798
799 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
800
801         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
802         * expmed.c (store_bit_field, extract_bit_field): Remove last
803         argument.
804         * builtins.c (expand_builtin_signbit): Adjust callers.
805         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
806         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
807         * ifcvt.c (noce_emit_move_insn): Likewise.
808         * stmt.c (expand_return): Likewise.
809         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
810         store_field, expand_expr_real_1): Likewise.
811
812 2004-07-10  Richard Henderson  <rth@redhat.com>
813
814         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
815
816 2004-07-09  Mike Stump  <mrs@apple.com>
817
818         * config/darwin.c (no_dead_strip): Add.
819         (HAVE_DEAD_STRIP): Add.
820         (darwin_emit_unwind_label): Ensure that we don't dead code strip
821         the .eh label.
822
823 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
824
825         * tree-ssa-loop-im.c: New file.
826         * Makefile.in (tree-ssa-loop-im.o): Add.
827         * cfgloop.c (superloop_at_depth): New function.
828         * cfgloop.h (superloop_at_depth): Declare.
829         * common.opt (ftree-lim): New flag.
830         * expr.c (array_ref_up_bound): New function.
831         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
832         * timevar.def (TV_LIM): New timevar.
833         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
834         computing immediate uses of a phi node.
835         * tree-flow.h (struct tree_ann_common_d): Add aux field.
836         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
837         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
838         * tree-pass.h (pass_lim): Declare.
839         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
840         functions.
841         (pass_lim): New pass structure.
842         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
843         * tree.c (in_array_bounds_p): New function.
844         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
845         (in_array_bounds_p, array_ref_up_bound): Declare.
846         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
847         * doc/passes.texi (tree-ssa-loop-im.c): Document.
848
849 2004-07-09  Richard Henderson  <rth@redhat.com>
850
851         * builtins.c (expand_builtin_stpcpy): Don't modify len.
852
853         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
854         with prejudice.
855
856 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
857
858         * flags.h: Delete redundant prototypes that are being generated
859         in options.h from common.opt.
860         * common.opt: Add in the expository comments formerly in flags.h.
861
862 2004-07-09  Jan Beulich  <jbeulich@novell.com>
863
864         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
865         available for use only when TARGET_MMX/_SSE is set, and check for
866         variable argument function if any register count is non-zero.
867         (function_arg): Correctly suppress repeated warnings for passing SSE
868         vectors are arguments without SSE enabled.
869         (ix86_function_arg_boundary): Without SSE enabled, the use of what
870         would be SSE register modes does no longer influence the alignment.
871
872 2004-07-09  Richard Henderson  <rth@redhat.com>
873
874         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
875         Always align upward to arg boundary.  Use size_in_bytes/round_up.
876         Maintain type-correctness of constants.
877         * stor-layout.c (round_up, round_down): Special-case powers of 2.
878
879 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
880
881         * config/sparc/sparc.c (*_costs): Scale instruction costs
882         by COSTS_N_INSNS.
883         (sparc_rtx_costs): Adjust as appropriate.
884
885 2004-07-09  Jan Beulich  <jbeulich@novell.com>
886
887         * config/i386/mm3dnow.h: New.
888         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
889
890 2004-07-09  Richard Henderson  <rth@redhat.com>
891
892         * simplify-rtx.c (simplify_const_relational_operation): Only
893         look at bounds of scalar integers.
894
895 2004-07-09  Jan Beulich  <jbeulich@novell.com>
896
897         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
898
899 2004-07-09  Andrew Pinski  <apinski@apple.com>
900
901         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
902         always referenced.
903         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
904         UOBJC_METACLASS_decl.
905
906 2004-07-09  James E Wilson  <wilson@specifixinc.com>
907
908         PR target/16364
909         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
910         do return a parallel if hfa_mode == XFmode and mode == TImode.
911
912 2004-07-09  Jan Beulich  <jbeulich@novell.com>
913
914         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
915         permissible for unary plus.
916
917 2004-07-09  Jan Beulich  <jbeulich@novell.com>
918
919         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
920         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
921         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
922         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
923         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
924         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
925         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
926         (BUILTIN_xxxIMAX): New.
927         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
928         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
929         BUILT_IN_PARITYIMAX.
930
931 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
932
933         * config/sparc/sparc.h (processor_costs): Define.
934         (sparc_costs): Declare.
935         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
936         hypersparc_costs, sparclet_costs, ultrasparc_costs,
937         ultrasparc3_costs): New.
938         (sparc_override_options): Set sparc_costs as appropriate.
939         (sparc_rtx_costs): Use sparc_costs instead of messy
940         conditionals.
941         
942 2004-07-09  Steven Bosscher  <stevenb@suse.de>
943
944         * doc/md.texi (Processor pipeline description): Mention that
945         the old pipeline description is deprecated.
946
947         * config/rs6000/7450.md (automaton ppc7450): Split up, move
948         mciu_7450 function unit to...
949         (automaton ppc7450mciu): ...new automaton.
950
951         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
952         (schedule_block): Don't consider inserting bubbles.
953         (sched_init): Don't initialize DFA bubbles.
954         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
955         TARGET_SCHED_DFA_BUBBLE): Remove.
956         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
957         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
958         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
959
960         * stmt.c (conditional_context): Remove prototype.
961         * tree.h (conditional_context): Remove.
962         * tree-cfg.c (pre_insert_on_edge): Remove.
963
964         * c-common.h (c_expand_asm_operands): Remove prototype.
965         * c-typeck.c (c_expand_asm_operands): Remove.
966
967 2004-07-09  Jan Beulich  <jbeulich@novell.com>
968
969         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
970         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
971         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
972         and V8QI are class SSE. All sufficiently small remaining vector modes
973         must be passed in one or two integer registers.
974         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
975         returned in memory.
976         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
977         __builtin_ia32_pmuludq128 have non-uniform argument and return types
978         and must thus be handled explicitly.
979         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
980         MMX and XMM regs.
981         (movv8qi_internal, movv4hi_internal, movv2si_internal,
982         movv2sf_internal): Permit moving between MMX and XMM registers (since
983         MMX areguments and return values are passed in XMM registers).
984         (sse2_umulsidi3): Correct type and mode.
985
986 2004-07-09  Richard Henderson  <rth@redhat.com>
987
988         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
989
990 2004-07-09  Eric Christopher  <echristo@redhat.com>
991
992         * config/rs6000/40x.md: Split into two automatons.
993
994 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
995             Andrew Pinski  <apinski@apple.com>
996
997         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
998         on when we have more than one input file.
999         (c_common_parse_file): Restore loop over all input files.
1000         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
1001
1002         * c-decl.c (set_type_context): New function.
1003         (pop_scope): Use it to set context of types.  When we
1004         encounter a TYPE_DECL, set the context of the attached type too.
1005         (pop_file_scope): Don't call cpp_undef_all here.
1006         (diagnose_mismatched_decls): Do not complain about a second
1007         definition of an 'extern inline' function if it's not in the
1008         same translation unit.  Do not complain about inline
1009         declaration after use if the use was in a different
1010         translation unit.
1011         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
1012         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
1013         the external scope.
1014         (pushdecl_top_level): Likewise.
1015         (grokdeclarator): Clarify what is going on with setting
1016         DECL_EXTERNAL on function types, a little.
1017         (c_write_global_declarations): Don't do anything if
1018         -fsyntax-only or errors have been encountered.
1019
1020 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1021
1022         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
1023
1024 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1025
1026         PR target/16459
1027         * pa.c (output_indirect_call): Use %r2 as the link register when
1028         calling $$dyncall with a pc-relative branch.
1029
1030 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
1031
1032         * doc/install.texi (Binaries): Mention OpenPKG.
1033
1034 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
1035
1036         Fix PR tree-optimization/15555
1037         * tree-dfa.c (dump_variable): If the variable is a pointer
1038         SSA_NAME, also dump its points-to information.
1039         * tree-flow.h (struct ptr_info_def): Add field
1040         is_dereferenced.
1041         (dump_points_to_info_for): Declare.
1042         (debug_points_to_info_for): Declare.
1043         * tree-optimize.c (init_tree_optimization_passes): Add a
1044         second alias analysis pass after DOM2.
1045         Move pass_del_pta to a later spot.
1046         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
1047         create a name tags when we find a dereferenced pointer.  Just
1048         mark the pointer dereferenced.
1049         (collect_points_to_info_for): Move code to clear points-to
1050         information to create_name_tags.
1051         (create_name_tags): New function.
1052         (compute_flow_sensitive_aliasing): Call it.
1053         (setup_pointers_and_addressables): Mark type tags for renaming
1054         here instead of ...
1055         (create_memory_tag): ... here.
1056         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
1057         (dump_points_to_info_for): Declare extern.
1058         (debug_points_to_info_for): New function.
1059
1060 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
1061
1062         * config/arc/arc.md: Switch to DFA-based scheduler description.
1063         * config/arc/arc.c: Switch to DFA-based scheduler description.
1064
1065 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1066
1067         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
1068         pointer.
1069
1070 2004-07-09  Richard Henderson  <rth@redhat.com>
1071
1072         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
1073         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1074         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
1075         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1076
1077         * config/v850/v850-protos.h (v850_va_arg): Remove.
1078         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1079         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
1080         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
1081         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
1082         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
1083
1084 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1085
1086         PR target/12133
1087         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
1088         and DImode to use +/-4k offset.
1089
1090 2004-07-09  Richard Henderson  <rth@redhat.com>
1091
1092         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
1093         Remove.
1094         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1095         (xstormy16_gimplify_va_arg_expr): Rewrite from
1096         xstormy16_expand_builtin_va_arg.
1097         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
1098
1099         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
1100         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
1101
1102         * config/sh/sh-protos.h (sh_va_arg): Remove.
1103         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1104         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
1105         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
1106
1107         * config/pa/pa-protos.h (hppa_va_arg): Remove.
1108         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1109         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
1110         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1111
1112         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
1113         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1114         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
1115         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
1116
1117 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1118
1119         * config/sparc/sparc.md (return): Rewrite length formula.
1120         * config/sparc/sparc.c (output_return): Pass 1 as 5th
1121         argument to final_scan_insn when in a delay slot.
1122         (output_sibcall): Likewise.
1123
1124 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1125
1126         * arm.c (arm_cpp_interwork): New variable.
1127         (arm_override_options): Set it if TARGET_INTERWORK was on the command
1128         line.
1129         * arm.h (arm_cpp_interwork): Declare it.
1130         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
1131         __THUMB_INTERWORK__ in the preprocessor.
1132
1133 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
1134
1135         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
1136
1137 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1138
1139         PR target/16416
1140         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
1141         Override default settings to account for -m32 and -m64.
1142
1143 2004-07-08  Randolph Chung  <tausq@debian.org>
1144
1145         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
1146
1147 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
1148
1149         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
1150         before comparing it as such.
1151
1152 2004-07-08  Richard Henderson  <rth@redhat.com>
1153
1154         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
1155         temporary.  Use bit arithmetic to align.
1156
1157 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
1158
1159         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
1160         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
1161         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
1162         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
1163         add_labels_and_missing_jumps, find_jump_block,
1164         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
1165         Likewise.
1166         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
1167         link_btr_uses, move_btr_def): Likewise.
1168         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
1169         expand_builtin_expect_jump): Likewise.
1170         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
1171         * calls.c (expand_call, emit_library_call_value_1): Likewise.
1172         * cfganal.c (forwarder_block_p): Likewise.
1173         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
1174         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
1175         find_bb_boundaries): Likewise.
1176         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1177         merge_blocks_move_predecessor_nojumps,
1178         merge_blocks_move_successor_nojumps, insns_match_p,
1179         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1180         try_optimize_cfg): Likewise.
1181         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
1182         * cfglayout.c (skip_insns_after_block, label_for_bb,
1183         record_effective_endpoints, insn_locators_initialize,
1184         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
1185         * cfgmainloop.c (create_loop_notes): Likewise.
1186         * cfgrtl.c (delete_insn, delete_insn_chain,
1187         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
1188         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
1189         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
1190         redirect_branch_edge, force_nonfallthru_and_redirect,
1191         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
1192         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
1193         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
1194         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
1195         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
1196         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
1197         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
1198         * combine.c (combine_instructions, can_combine_p, try_combine,
1199         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
1200         distribute_notes, distribute_links, insn_cuid): Likewise.
1201         * cse.c (fold_rtx, cse_insn, cse_around_loop,
1202         invalidate_skipped_block, cse_set_around_loop,
1203         cse_end_of_basic_block, cse_main, cse_basic_block,
1204         cse_condition_code_reg): Likewise.
1205         * cselib.c (cselib_process_insn): Likewise.
1206         * ddg.c (create_ddg): Likewise.
1207         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
1208         Likewise.
1209         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
1210         gen_label_die, dwarf2out_var_location): Likewise.
1211         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
1212         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
1213         last_call_insn, active_insn_p, next_label, prev_label,
1214         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
1215         add_insn_before, remove_insn, add_function_usage_to,
1216         reorder_insns, find_line_note, remove_unnecessary_notes,
1217         emit_insn_after_1, classify_insn): Likewise.
1218         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
1219         connect_post_landing_pads, sjlj_mark_call_sites,
1220         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
1221         can_throw_internal, can_throw_external, set_nothrow_function_flags,
1222         convert_to_eh_region_ranges): Likewise.
1223         * explow.c (optimize_save_area_alloca): Likewise.
1224         * expr.c (expand_expr_real): Likewise.
1225         * final.c (insn_current_reference_address, compute_alignments,
1226         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
1227         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
1228         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
1229         propagate_block_delete_insn, propagate_one_insn,
1230         init_propagate_block_info, propagate_block, libcall_dead_p,
1231         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
1232         Likewise.
1233         * function.c (instantiate_virtual_regs, reorder_blocks_1,
1234         expand_function_start, expand_function_end, contains,
1235         thread_prologue_and_epilogue_insns,
1236         reposition_prologue_and_epilogue_notes): Likewise.
1237         * gcse.c (constprop_register, bypass_conditional_jumps,
1238         insert_insn_end_bb, gcse_after_reload): Likewise.
1239         * genemit.c (gen_expand, gen_split): Likewise.
1240         * genpeep.c (gen_peephole, main): Likewise.
1241         * global.c (build_insn_chain): Likewise.
1242         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
1243         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
1244         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
1245         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
1246         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
1247         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
1248         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
1249         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
1250         dead_or_predicable): Likewise.
1251         * integrate.c (try_constants): Likewise.
1252         * jump.c (rebuild_jump_labels, cleanup_barriers,
1253         purge_line_number_notes, init_label_info, mark_all_labels,
1254         squeeze_notes, get_label_before, get_label_after,
1255         reversed_comparison_code_parts, simplejump_p, pc_set,
1256         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
1257         delete_barrier, delete_prior_computation, delete_computation,
1258         delete_related_insns, delete_for_peephole, redirect_jump):
1259         Likewise.
1260         * lcm.c (optimize_mode_switching): Likewise.
1261         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
1262         Likewise.
1263         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
1264         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
1265         * loop-iv.c (simplify_using_assignment): Likewise.
1266         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
1267         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
1268         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
1269         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
1270         check_insn_for_givs, check_final_value, update_giv_derive,
1271         basic_induction_var, product_cheap_p, check_dbra_loop,
1272         loop_insn_first_p, last_use_this_basic_block,
1273         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
1274         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
1275         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
1276         sms_schedule_by_order): Likewise.
1277         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
1278         * postreload.c (reload_cse_simplify_operands, reload_combine,
1279         reload_cse_move2add): Likewise.
1280         * predict.c (can_predict_insn_p, estimate_probability,
1281         expected_value_to_br_prob, process_note_predictions): Likewise.
1282         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
1283         * profile.c (branch_prob): Likewise.
1284         * ra-build.c (live_out_1, livethrough_conflicts_bb,
1285         detect_webs_set_in_cond_jump): Likewise.
1286         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
1287         ra_print_rtl_with_bb): Likewise.
1288         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
1289         * recog.c (next_insn_tests_no_inequality, find_single_use,
1290         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
1291         * reg-stack.c (next_flags_user, record_label_references,
1292         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
1293         compensate_edge, convert_regs_1): Likewise.
1294         * regclass.c (scan_one_insn): Likewise.
1295         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1296         regmove_optimize, fixup_match_1, single_set_for_csa,
1297         combine_stack_adjustments_for_block): Likewise.
1298         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
1299         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
1300         find_equiv_reg): Likewise.
1301         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
1302         reload_as_needed, emit_input_reload_insns, do_output_reload,
1303         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
1304         Likewise.
1305         * reorg.c (find_end_label, emit_delay_sequence,
1306         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
1307         get_jump_flags, rare_destination, mostly_true_jump,
1308         try_merge_delay_insns, redundant_insn, own_thread_p,
1309         fill_simple_delay_slots, fill_slots_from_thread,
1310         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
1311         dbr_schedule): Likewise.
1312         * resource.c (find_basic_block, next_insn_no_annul,
1313         find_dead_or_set_registers, mark_target_live_regs): Likewise.
1314         * rtl.h (RTX_PREV): Likewise.
1315         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
1316         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
1317         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
1318         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
1319         tablejump_p, computed_jump_p, insns_safe_to_move_p,
1320         find_first_parameter_load, can_hoist_insn_p): Likewise.
1321         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
1322         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
1323         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
1324         schedule_ebbs): Likewise.
1325         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
1326         is_conditionally_protected, can_schedule_ready_p,
1327         add_branch_dependences, debug_dependencies): Likewise.
1328         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
1329         Likewise.
1330         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
1331         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
1332         set_dominates_use, ujump_to_loop_cont): Likewise.
1333         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
1334         * varasm.c (output_constant_pool_1): Likewise.
1335
1336 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1337
1338         * tree-scalar-evolution.c: New file.
1339         * tree-scalar-evolution.h: New file.
1340         * tree-ssa-loop-niter.c: New file.
1341         * Makefile.in (SCEV_H): New.
1342         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
1343         * cfgloop.h (struct loop): Add bounds field.
1344         * tree-flow.h (struct tree_niter_desc): New type.
1345         (number_of_iterations_cond, number_of_iterations_exit,
1346         loop_niter_by_eval, find_loop_niter_by_eval,
1347         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
1348         free_numbers_of_iterations_estimates): Declare.
1349         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
1350         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
1351         * doc/invoke.texi (max-iterations-to-track): Document.
1352
1353 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1354
1355         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
1356         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
1357         (MODE_AFTER): Add cast appropriately.
1358         * config/sh/sh.md (movdi splitter): Likewise.
1359         (casesi_worker_2): Add const qualifier appropriately.
1360         (eh_return): Remove unused variable.
1361         (insv): Initialize v;
1362
1363 2004-07-08  Richard Henderson  <rth@redhat.com>
1364
1365         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
1366         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1367         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
1368         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
1369         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
1370
1371         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
1372         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1373         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
1374         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
1375
1376         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
1377         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1378         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
1379         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
1380
1381         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
1382         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1383         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
1384         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
1385
1386         * config/i860/i860-protos.h (i860_va_arg): Remove.
1387         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1388         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
1389         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
1390
1391 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1392
1393         * system.h: Prototype getpagesize if missing.
1394         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
1395         * configure: Regenerate.
1396         * config.in: Regenerate.
1397
1398 2004-07-08  Richard Henderson  <rth@redhat.com>
1399
1400         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
1401         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1402         (fr30_gimplify_va_arg_expr): New.
1403         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
1404         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
1405
1406 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
1407
1408         PR target/16414
1409         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
1410         of asm_noperands result.
1411
1412 2004-07-08  Richard Henderson  <rth@redhat.com>
1413
1414         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
1415         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1416         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
1417         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
1418
1419 2004-07-08  Richard Henderson  <rth@redhat.com>
1420
1421         * builtins.c (ind_gimplify_va_arg_expr): New.
1422         * tree.h (ind_gimplify_va_arg_expr): Declare.
1423         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
1424
1425 2004-07-08  Jan Beulich  <jbeulich@novell.com>
1426
1427         * expmed.c (extract_bit_field): Correct condition to use vec_extract
1428         patterns also on vector elements other than the first one.
1429         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
1430         break statements.
1431
1432 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
1433
1434         * config/rs6000/darwin-ldouble.c: Correct reference
1435         to the Linnainmaa paper.
1436
1437 2004-07-08  Richard Henderson  <rth@redhat.com>
1438
1439         * config/arc/arc-protos.h (arc_va_arg): Remove.
1440         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1441         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
1442         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
1443
1444         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
1445         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1446         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
1447         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
1448
1449 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1450
1451         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
1452
1453 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
1454
1455         * c-decl.c (static_ctors, static_dtors): Make static.
1456         (pop_file_scope): Call c_common_write_pch and
1457         cgraph_finalize_compilation_unit here.
1458         (build_cdtor): Moved here from c-objc-common.c; simplify.
1459         (c_write_global_declarations_1): Clarify comment.
1460         (c_write_global_declarations): Close the external scope before
1461         doing anything else.  Call build_cdtor, cgraph_optimize, and
1462         mudflap_finish_file here.
1463         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
1464         Clarify comment.
1465         * c-objc-common.c: No need to include cgraph.h.
1466         (build_cdtor): Moved to c-decl.c.
1467         (c_objc_common_finish_file): Delete.
1468         * c-tree.h: Update to match.
1469         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
1470         (generate_static_references): Set TREE_USED before calling finish_decl.
1471         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
1472         on the static_instances_decl.
1473
1474 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
1475
1476         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
1477         decls when there is only one input translation unit.
1478         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
1479         change of 2004-07-05; do not treat declarations with
1480         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
1481         * opts.c (cur_in_fname): Delete.
1482         * opts.h: Likewise.
1483         * tree.c: Revert changes of 2004-07-05; no special treatment
1484         for TRANSLATION_UNIT_DECLs.
1485         * Makefile.in (tree.o): Update dependencies.
1486
1487 2004-07-08  Roger Sayle  <roger@eyesopen.com>
1488
1489         * builtins.c (fold_builtin_strcpy): Merge functionality from
1490         simplify_builtin_strcpy.  Add additional len argument.  No longer
1491         static.  Remove function prototype.
1492         (fold_builtin_strncpy): Likewise integrate functionality from
1493         simplify_builtin_strncpy.  Add additional slen argument.  No
1494         longer static.  Remove function prototype.
1495         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
1496         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
1497         types of "ignore" and "unlocked" parameters to bool.
1498         (fold_builtin_1):  Add additional ignore argument.  Call renamed
1499         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
1500         builtins.  Update arguments to fold_builtin_strncpy and
1501         fold_builtin_strcpy.  Add function prototype.
1502         (fold_builtin): Add additional Boolean ignore argument to pass
1503         to fold_builtin_1.
1504         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
1505         and fold_builtin_strncpy instead of simplify_builtin_fputs,
1506         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
1507
1508         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
1509         simplify_builtin_strncpy): Delete function prototypes.
1510         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
1511         fold_builtin_strncpy): Add function prototypes here.
1512         (fold_builtin): Update function prototype with new "bool ignore".
1513
1514         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
1515         (ccp_fold_builtin):  Update call to fold_builtin.  Call
1516         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
1517         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
1518         simplify_builtin_strncpy respectively.
1519         * fold-const.c (fold): Update call to fold_builtin.
1520
1521 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1522
1523         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
1524         to strcpy.
1525
1526         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
1527         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
1528         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
1529         * calls.c: Remove ifdefs of macros above.
1530         * functions.c: Likewise.
1531         * expr.c: Likewise.
1532
1533 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1534
1535         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
1536         (arch attribute): Delete.
1537         (current_function_calls_alloca attribute): Rename into calls_alloca.
1538         (calls_eh_return): New attribute.
1539         (leaf_function): Likewise.
1540         (length attribute): Fix formula for sibcalls.
1541         (return insn): Correctly compute the 'length' attribute.
1542         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
1543
1544 2004-07-08  Richard Henderson  <rth@redhat.com>
1545
1546         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
1547         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
1548         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
1549         * tree-eh.c (lower_eh_constructs_1): Likewise.
1550         * tree-sra.c (sra_walk_modify_expr): Likewise.
1551         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
1552         (eliminate_unnecessary_stmts): Likewise.
1553         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
1554         * tree-tailcall.c (optimize_tail_call): Likewise.
1555         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
1556
1557 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1558             Jakub Jelinek  <jakub@redhat.com>
1559
1560         * config/i386/i386.c (override_options): Enable
1561         SSE prefetches with -mtune, as long as we are
1562         compiling for i686 or higher.  All i686 processors
1563         accept SSE prefetches as NOPS, some i586's don't.
1564
1565 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1566
1567         PR target/10567
1568         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
1569
1570 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1571
1572         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
1573         the handling of clobbering ASM_EXPRs.
1574
1575 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1576
1577         PR target/16430
1578         * config/sparc/sparc.c (function_value): In 64-bit mode,
1579         return the aggregates larger than 16 bytes like unions.
1580
1581 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1582
1583         PR target/16199
1584         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
1585         'temp' is zero, generate new pseudos as needed and emit the
1586         sequence of insns in single-assignment form.  Resync comments
1587         with code.
1588         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
1589         function before reload.
1590
1591 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
1592
1593         * vec.c (vec_assert_fail): Remove duplicate 'function'.
1594
1595         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
1596
1597         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
1598         Allocation is signed.
1599         (VEC_reserve): Return flag, allocation is signed.
1600
1601 2004-07-08  Richard Henderson  <rth@redhat.com>
1602
1603         * tree-ssa-ccp.c (fold_stmt): Get type directly from
1604         OBJ_TYPE_REF_OBJECT.
1605
1606 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
1607             Neil Booth  <neil@daikokuya.co.uk>
1608
1609         PR c/2511
1610         PR c/3325
1611         * c-decl.c (finish_struct): Ensure bit-fields are given the
1612         correct type.
1613         * c-common.c (c_common_signed_or_unsigned_type): For C, require
1614         the precision to match as well as the mode.
1615         * expr.c (reduce_to_bit_field_precision): New function.
1616         (expand_expr_real_1): Reduce expressions of bit-field type to
1617         proper precision.
1618         * langhooks.h (reduce_bit_field_operations): New hook.
1619         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1620         Define.
1621         * c-lang.c, objc/objc-lang.c
1622         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
1623         * objc/objc-act.c (check_ivars): Convert types to bit-field types
1624         before checking.
1625         * tree.c (build_nonstandard_integer_type): New function.
1626         * tree.h (build_nonstandard_integer_type): New prototype.
1627         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
1628         conversions between integer and boolean types as useless.
1629
1630 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1631
1632         * c-common.c (c_common_nodes_and_builtins): Do not
1633         create __builtin_ptrdiff_t and __builtin_size_t.
1634
1635 2004-07-08  Andrew Pinski  <apinski@apple.com>
1636
1637         * Makefile.in (libbackend.o): Add -combine to the gcc
1638         command line.
1639
1640 2004-07-08  Nick Clifton  <nickc@redhat.com>
1641
1642         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
1643         Set to -Os.
1644
1645 2004-07-08  Richard Henderson  <rth@redhat.com>
1646
1647         * except.c (expand_eh_region_start, expand_eh_region_end,
1648         expand_eh_handler, expand_eh_region_end_cleanup,
1649         expand_start_all_catch, expand_start_catch, expand_end_catch,
1650         expand_end_all_catch, expand_eh_region_end_allowed,
1651         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
1652         expand_eh_region_end_fixup): Remove.
1653         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
1654         cleanups, outer_cleanups, label_chain, exception_region.
1655         (struct goto_fixup): Remove stack_level, cleanup_list_list.
1656         (struct label_chain): Remove.
1657         (struct stmt_status): Remove x_stack_block_stack.
1658         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
1659         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
1660         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
1661         end_cleanup_deferral, last_cleanup_this_contour,
1662         containing_blocks_have_cleanups_or_stack_level,
1663         any_pending_cleanups): Remove.
1664         (expand_null_return_1): Take no arguments.
1665         (expand_label, expand_naked_return, expand_return,
1666         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
1667         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
1668         expand_end_case_type): Don't use any of them.
1669         * calls.c (expand_call): Likewise.
1670         * dojump.c (do_jump): Likewise.
1671         * function.c (expand_function_end): Likewise.
1672         * expr.c (store_expr, expand_expr_real_1): Likewise.
1673         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
1674         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
1675         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
1676         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
1677         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
1678         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
1679         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
1680         for WITH_CLEANUP_EXPR.
1681         (gimple_push_cleanup): Likewise.
1682         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
1683         * print-tree.c (print_node): Likewise.
1684         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
1685         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
1686         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
1687         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
1688         (GOTO_SUBROUTINE_EXPR): Remove.
1689         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
1690         (DECL_TOO_LATE): Remove.
1691         * except.h, tree.h: Update decls.
1692
1693 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1694
1695         * explow.c (optimize_save_area_alloca): Do not accept parameters.
1696         * passes.c (rest_of_handle_final): Handle symout.
1697         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
1698         Push timevar here.
1699         (rest_of_handle_sched): Break out SMS.  Remove ifs for
1700         flag_schedule_insns and flag_modulo_sched.
1701         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
1702         collect at the end.
1703         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
1704         (rest_of_handle_partition_blocks, rest_of_handle_sms,
1705         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
1706         rest_of_handle_mode_switching, rest_of_handle_jump,
1707         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
1708         rest_of_handle_jump2, rest_of_handle_postreload,
1709         rest_of_handle_flow2, rest_of_clean_state,
1710         rest_of_handle_shorten_branches,
1711         rest_of_handle_prologue_epilogue,
1712         rest_of_handle_branch_target_load_optimize): New.
1713         (rest_of_compilation): Call the above.  Remove ggc_collect
1714         calls moved to rest_of_handle_*.
1715         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
1716
1717         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
1718         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
1719         * except.h (set_nothrow_function_flags): Update comment.
1720         * function.c (current_function_nothrow): Remove.
1721         * output.h (current_function_nothrow): Remove.
1722         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
1723         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
1724
1725 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1726
1727         PR bootstrap/16326
1728         * reorg.c: Revert 2004-06-30 change.
1729         (find_end_label): If HAVE_epilogue and !HAVE_return,
1730         return 0 instead of creating a label at the end of the insn chain.
1731         (optimize_skip): Account for the failure mode of find_end_label.
1732         (fill_simple_delay_slots): Likewise.
1733         (fill_slots_from_thread): Likewise.
1734         (relax_delay_slots): Likewise.
1735
1736 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1737
1738         * tree-flow.h (addressable_vars): Declare.
1739         * tree-ssa-alias.c (addressable_vars): Define.
1740         (setup_pointers_and_addressables): Add addressable variables
1741         to addressable_vars.
1742         * tree-ssa-operands.c (get_stmt_operands): Move
1743         handling of ASM_EXPRs ...
1744         (get_asm_expr_operands): ... here.
1745         When the ASM_EXPR clobbers memory, also clobber addressable
1746         variables.
1747         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
1748         (delete_tree_ssa): Reset addressable_vars.
1749
1750 2004-07-07  Jan Beulich  <jbeulich@novell.com>
1751             Richard Henderson  <rth@redhat.com>
1752
1753         * varasm.c (assemble_variable): Use assemble_zeros for
1754         zero-initialized variables.
1755         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
1756         for SECCAT_BSS and SECCAT_TBSS.
1757
1758 2004-07-07  Jan Beulich  <jbeulich@novell.com>
1759
1760         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
1761
1762         * expmed.c (emit_store_flag): Also special-case double-word
1763         (in-)equality comparison against -1.
1764
1765         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
1766         passing arguments the containers for which are registers.
1767
1768         * calls.c (emit_library_call_value_1): Use mode of function parameter
1769         rather than that of argument since constants have none.
1770
1771 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1772
1773         Introduce H8SX support.
1774         * expr.c (expand_strcpy): Renamed and moved to...
1775         * builtins.c (expand_movstr): ... here.  Tweak.
1776         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
1777         computed or has side effects.
1778         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
1779         unused, or if mempcpy fails.  Adjust the return value in the
1780         latter case.  Use movstr if everything else fails.
1781         * doc/md.texi (movstr): Document.
1782         (movmemM, clrmemM): Fix explanation of memory block operands.
1783         * config/h8300/h8300.md (stpcpy): Renamed to...
1784         (movstr): ... this.  Adjust.
1785         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1786         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
1787         movmem* and clrstr* to clrmem*.
1788         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
1789         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
1790         GENERAL_REGS, always.
1791         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
1792         getting the stack pointer as addr.
1793         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
1794         from general_operand_dst.
1795         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
1796         variant of...
1797         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
1798         instead of requiring it to match only before reload.
1799         (stpcpy_internal_normal): New, normal-mode variant of...
1800         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
1801         `D' instead of requiring it to match only before reload.
1802         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
1803         mode argument.
1804         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
1805         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
1806         h8300_get_index.
1807         * config/h8300/h8300.md (attr type): Add call.
1808         (attr can_delay): If type is call, set it no.
1809         (call, call_value): Set type to call.
1810         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
1811         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
1812         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
1813         * tree.c (get_narrower): Don't narrow integral types into
1814         non-integral types.
1815         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
1816         frame_size *before* the first use.
1817         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
1818         on input.
1819         (peephole2): Don't widen instructions that push SP.  Move
1820         decrement of SP to the end of all stm-generating peepholes.
1821         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
1822         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
1823         and OR to set it to all ones.
1824         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
1825         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
1826         (call, call_value): Set can_delay to "no".
1827         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
1828         * config/h8300/h8300.md (extzv): Make subreg check more robust.
1829         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1830         * config/h8300/h8300.md (*brabit): Remove.
1831         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
1832         zero_extract.  Use bit_memory_operand as the predicate for
1833         operand 1 and 'WU' as the constraint.  Check the difference
1834         between the base length and the final one when deciding which
1835         type of branch to use.
1836         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1837         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
1838         Use convert_move to extend the result for TARGET_H8300SX.  Check
1839         for QImode memory references.  Optimize the case where the
1840         destination is a paradoxical subreg.
1841         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1842         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
1843         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
1844         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1845         * config/h8300/h8300.md: Include mova.md
1846         (length_table): Add mova and mova_zero.
1847         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
1848         after all constant addresses for '%R', '%X', '%T' and '%S'.
1849         (h8300_mova_length): New function.
1850         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
1851         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
1852         dependencies for s-config, etc.
1853         * config/h8300/gemova.sh: New file.
1854         * config/h8300/mova.md: Generated.
1855         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
1856         * config/h8300/h8300.c (h8300_bitfield_length): New.
1857         (nibble_operand): Adjust.
1858         (h8300_binary_length): Handle conditional binary op.
1859         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
1860         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
1861         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
1862         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
1863         constraints.  WU is introduced as a variant of U that requires a
1864         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
1865         * config/h8300/h8300.md (attr type): Added bitbranch.
1866         (attr length_table): Added bitfield and bitbranch.
1867         (attr length): Compute bitbranch length.
1868         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
1869         least-significant bit of a byte.
1870         (brabit, brabc, brabs): New.
1871         (insv, extzv): Emit bfst and bfld on H8300SX.
1872         (bfld, bfst, seq, sne): New.
1873         (bstzhireg, cmpstz, bstz, bistz): New.
1874         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
1875         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
1876         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
1877         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
1878         (h8sx_unary_memory_operator): New function.
1879         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
1880         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
1881         * config/h8300/h8300.md: Add peepholes to combine reloads and
1882         arithmetic insns.
1883         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
1884         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
1885         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
1886         (and?i, ior?i, xor?i): Likewise.
1887         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
1888         * config/h8300/h8300.c: Move enums and prototypes to head of file.
1889         Various whitespace fixes.
1890         (h8300_constant_length): New function, split out from...
1891         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
1892         (h8300_classify_operand): Use IN_RANGE.
1893         (h8300_classify_operand): Use h8300_constant_length.
1894         (h8300_short_move_mem_p): Tighten size check.
1895         (h8sx_mergeable_memrefs_p): Tighten equality check.
1896         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
1897         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
1898         for -msx.
1899         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
1900         * config/h8300/crtn.asm: Likewise.
1901         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
1902         if __H8300SX__ is defined.
1903         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
1904         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
1905         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
1906         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
1907         addresses as mode-dependent.
1908         * config/h8300/h8300.c (print_operand_address): Update call to
1909         h8300_get_index.
1910         (h8300_get_index): Take a mode argument.  Rework to fix an
1911         earlier misunderstanding.
1912         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
1913         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
1914         into a register if TARGET_H8300SX.
1915         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
1916         TARGET_H8300SX.  Also disable related define_splits.
1917         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
1918         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
1919         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
1920         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
1921         * config/h8300/h8300.h (OK_FOR_Z): New macro.
1922         (EXTRA_CONSTRAINT_STR): Check it.
1923         * config/h8300/h8300.c (h8300_classify_operand): Accept null
1924         class arguments.
1925         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
1926         * config/h8300/h8300.md (length_table): Add mov_imm4.
1927         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
1928         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
1929         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
1930         be a label.
1931         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
1932         * config/h8300/h8300.c (h8300_reorg): New function.
1933         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1934         * config/h8300/h8300.md (length): Subtract the length of the
1935         delay slot from (pc) when checking the range of forward branches.
1936         (delay_slot, can_delay): New attributes.
1937         (define_delay): Add bra/s handling.
1938         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
1939         (jump): Add delayed-branch handling.
1940         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
1941         * expr.c (expand_strcpy): New function.
1942         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
1943         (expand_builtin_stpcpy): Likewise.
1944         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
1945         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
1946         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
1947         handling to improve register allocation for -fno-omit-frame-pointer.
1948         (h8sx_split_movmd): Delete, moving er6 handling into...
1949         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
1950         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
1951         (movmd): Add calls to copy_rtx.
1952         (movmd_internal): In the second alternative, allow the initial and
1953         final destination registers to be different .  Update the splitter
1954         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
1955         instead of h8sx_split_movmd.
1956         (stpcpy, movsd): New expanders.
1957         (movsd_internal): New define_insn.
1958         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
1959         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
1960         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
1961         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
1962         and DESTINATION_REGS.
1963         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
1964         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
1965         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
1966         (h8300_move_ratio): Declare.
1967         (MOVE_RATIO): Use it.
1968         * config/h8300/h8300.c (h8300_move_ratio): New variable.
1969         (h8300_init_once): Initialize it.
1970         (h8300_reg_class_from_letter): New function.
1971         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
1972         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
1973         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
1974         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
1975         (movstrsi, movmd): New expanders.
1976         (movmd_internal): New insn.
1977         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
1978         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
1979         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
1980         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
1981         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
1982         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1983         * config/h8300/h8300.c (nibble_operand): Fix warning.
1984         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
1985         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
1986         (movsf_h8300h): Disable for TARGET_H8300SX.
1987         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1988         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
1989         h8300_stm_parallel and h8300_return_parallel.
1990         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
1991         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
1992         h8300_stm_parallel, h8300_return_parallel): New functions.
1993         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
1994         if TARGET_H8300SX.  Use h8300_push_pop.
1995         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
1996         and final pop when generating h8sx code.  Always emit some form
1997         of return insn.
1998         * config/h8300/h8300.md: Don't enforce register alignment in
1999         stm peepholes if TARGET_H8300SX.
2000         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
2001         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
2002         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
2003         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2004         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
2005         (MULTILIB_DIRNAMES): Add a directory for it.
2006         (MULTILIB_MATCHES): Delete.
2007         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2008         * final.c (walk_alter_subreg): Handle addresses with subregs
2009         inside a ZERO_EXTEND or AND.
2010         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
2011         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
2012         if TARGET_H8300SX.
2013         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
2014         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
2015         @(dd,Rn.w) and @(dd,ERn.L).
2016         (h8300_displacement_size): Take the whole address as argument.
2017         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
2018         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2019         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
2020         (h8sx_mergeable_memrefs_p): Declare.
2021         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
2022         (HAVE_PRE_INCREMENT): Likewise.
2023         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
2024         addresses for TARGET_H8300SX,
2025         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
2026         and POST_DEC.
2027         (movb_length_table, movl_length_table): New tables.
2028         (movw_length_table): Define to movb_length_table.
2029         (h8300_displacement_size): New, split out from...
2030         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
2031         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
2032         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
2033         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
2034         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
2035         (compute_plussi_length, compute_plussi_cc): Update accordingly.
2036         (h8sx_unary_shift_operator): Get the mode from the operator.
2037         (binary_shift_operator): Likewise.
2038         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
2039         a memory reference, check whether the reference is offsettable.
2040         (length_table): Add movb, movw and movl.
2041         (movqi): Add new h8sx pattern.  Don't force one operand to be a
2042         register when generating h8sx code.
2043         (movhi, movsi, movsf): Likewise.
2044         (movstrictqi): Use the length_table attribute.
2045         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
2046         (addqi3): Split into a define_expand and define_insn.  Don't accept
2047         memory operands in the expander.  Use h8300_operands_match_p to
2048         check for matching operands in the define_insn.
2049         (subqi3, negqi2, one_cmplqi2): Likewise.
2050         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
2051         in any patterns that are unused in h8sx code.  In the h8sx patterns,
2052         use h8300_operands_match_p to check whether operands match.
2053         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
2054         one_cmpl[hs]i3): Likewise.
2055         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
2056         in the expander.
2057         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
2058         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
2059         (h8300_insn_length_from_table): Add a second parameter.
2060         (output_h8sx_shift): Declare.
2061         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
2062         (EXTRA_CONSTRAINT): Replace with...
2063         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
2064         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
2065         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
2066         and h8sx_binary_shift_operator.
2067         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
2068         for TARGET_H8300SX.
2069         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
2070         (bit_memory_operand, fix_bit_operand): Likewise.
2071         (h8300_length_table_for_insn): Remove.
2072         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
2073         instructions.
2074         (h8300_short_immediate_length, h8300_binary_length): New functions.
2075         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
2076         (output_plussi): Use sub to add negative constants.
2077         (compute_plussi_length): Adjust accordingly.
2078         (h8sx_single_shift_type): New enum.
2079         (h8sx_single_shift, h8sx_unary_shift_operator,
2080         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
2081         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
2082         single h8sx instruction.  Return false in this case.
2083         * config/h8300/h8300.md (length_table): Add short_immediate.
2084         (length): Pass the operand array to h8300_insn_length_from_table.
2085         (adjust_length): Assume "no" for insns with a length_table attribute.
2086         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
2087         (*addhi3_h8300hs): Don't use for h8sx.
2088         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
2089         and sub.w #xx:3.
2090         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
2091         1's predicate to nonimmediate_operand.  Only skip default expansion
2092         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
2093         for single h8sx shift instructions.
2094         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
2095         * config/h8300/h8300.c (nibble_operand): Split out of...
2096         (reg_or_nibble_operand): ... this.
2097         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
2098         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
2099         umulhisi3): Introduce expand, and introduce separate insns for
2100         sign- or zero-extended REG and already-extended CONST_INT.
2101         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
2102         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
2103         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
2104         (subhi3): Likewise.  Don't accept immediates for operand 1.
2105         Remove the early clobber from second alternative of the h8300s pattern.
2106         (subsi3): Generalize for h8sx.  Force operand 2 into a register
2107         on plain h8300 targets.
2108         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
2109         (subsi3_h8300h): Generalize for h8sx.
2110         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
2111         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
2112         * config/h8300/h8300.c (reg_or_nibble_operand): New.
2113         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2114         (TARGET_H8300SXMUL): New.
2115         (CONST_OK_FOR_P): New.
2116         (CONST_OK_FOR_LETTER_P): Adjust.
2117         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
2118         umulhisi3): Accept 4-bit immediate on H8SX.
2119         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
2120         (udivsi3, divhi3, udivsi3, divsi3): New.
2121         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
2122         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
2123         * config/h8300/h8300.h (OK_FOR_Q): New macro.
2124         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
2125         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
2126         Add ADDRESSOF to the bit_operand entry.
2127         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
2128         (h8300_src_operand): Likewise.
2129         (bit_operand): Check nonimmediate_operand rather than general_operand.
2130         Accept any nonimmediate_operand in h8sx code.
2131         (h8300_and_costs): Initialize operands[1].
2132         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
2133         (h8300_operand_class): New enum.
2134         (h8300_length_table): New typedef.
2135         (addb_length_table, addw_length_table, addl_length_table,
2136         logicl_length_table): New tables.
2137         (logicb_length_table, logicw_length_table): New macros.
2138         (h8300_classify_operand, h8300_length_from_table,
2139         h8300_length_table_for_insn, h8300_unary_length,
2140         h8300_insn_length_from_table): New functions.
2141         (output_plussi): Only use adds and subs for register destinations.
2142         Disable redundant clause.
2143         (compute_plussi_cc): Likewise.
2144         (compute_plussi_length): Likewise.  Use h8300_length_from_table
2145         to work out the length of an insn.
2146         (output_logical_op): Only use narrower immediate instructions
2147         if the destination is a register.
2148         (compute_logical_op_cc): Likewise.
2149         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
2150         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
2151         * config/h8300/h8300.md (length_table): New attribute.
2152         (length): When an instruction has a length_table attribute, use
2153         h8300_insn_length_from_table to calculate its default length.
2154         (cmpqi): Use h8300_dst_operand for the first operand and
2155         h8300_src_operand for the second.
2156         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
2157         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
2158         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
2159         iorsi3, xorhi3, xorsi3): Likewise.
2160         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
2161         so that it allows any combination of operands for TARGET_H8300SX.
2162         (iorqi3, xorqi3): Likewise.
2163         (cmpqi): Use the length_table attribute.
2164         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
2165         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
2166         (cmpqi): Add 'Q' constraint.
2167         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
2168         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
2169         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
2170         * config/h8300/h8300.h (MASK_H8300SX): New macro.
2171         (TARGET_H8300S): True for both -ms and -msx.
2172         (TARGET_H8300SX): New macro.
2173         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
2174         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
2175         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
2176         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
2177         [Temporary change.]
2178         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
2179         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
2180         16-bit pointers and 32-bit ints.
2181         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
2182         CONST_DOUBLE with mode no wider than SImode.
2183         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
2184         output operand.
2185         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
2186         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
2187         or SUBREG thereof.
2188         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2189         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
2190         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
2191
2192 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2193
2194         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
2195
2196 2004-07-07  Per Bothner  <per@bothner.com>
2197
2198         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
2199
2200 2004-07-07  Mike Stump  <mrs@apple.com>
2201
2202         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
2203         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
2204         (machopic_finish): Likewise.
2205
2206 2004-07-07  Richard Henderson  <rth@redhat.com>
2207
2208         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
2209         through any value-preserving cast.
2210
2211 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2212
2213         * function.c (assign_parm_find_data_types): Call
2214         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
2215
2216 2004-07-07  Steven Bosscher  <stevenb@suse.de>
2217
2218         * tree-cfg.c (group_case_labels): Remove case labels that have
2219         the same target as the default case.
2220
2221 2004-07-07  Steven Bosscher  <stevenb@suse.de>
2222
2223         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
2224         regardless of DECL_LANG_SPECIFIC being present or not.
2225         * tree.h (DECL_NUM_STMTS): Purge.
2226
2227 2004-07-07  Andrew Pinski  <apinski@apple.com>
2228
2229         * configure: Regenerate with the right autoconf.
2230
2231 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
2232
2233         * ifcvt.c (total_bb_rtx_cost): New function.
2234         (find_if_case_1): Compare rtx_cost of basic block to cost of
2235         BRANCH_COST insns.
2236         (find_if_case_2): Same.
2237
2238 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2239
2240         PR target/10567
2241         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
2242         (output_return): Likewise.
2243         (output_sibcall): Abort if !flag_delayed_branch.
2244         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
2245         (emit_and_preserve): New function.
2246         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
2247         indirect jump to the thunked-to function if !flag_delayed_branch.
2248         * config/sparc/sparc.md (delayed_branch): New attribute.
2249         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
2250         attribute to compute the length of the insn.
2251         (goto_handler_and_restore): Likewise.
2252
2253 2004-07-07  Andrew Pinski  <apinski@apple.com>
2254
2255         PR tree-optimization/15777
2256         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
2257
2258         * expr.c (expand_expr_real_1): Fix formating.
2259         BUFFER_REF and IN_EXPR are dead.
2260         * fold-const.c (non_lvalue): BUFFER_REF is dead.
2261         * tree-inline.c (estimate_num_insns_1): Likewise.
2262         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
2263         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
2264         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
2265
2266 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
2267
2268         * collect2.c (dump_file): Don't call cplus_demangle if
2269         HAVE_LD_DEMANGLE is defined.
2270         (main): Pass "--demangle" to ld if no_demangle is not 0 and
2271         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
2272         if HAVE_LD_DEMANGLE is defined.
2273
2274         * configure.ac (--with-demangler-in-ld): Added
2275         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
2276         --with-demangler-in-ld is used.
2277         * config.in: Regenerated.
2278         * configure: Likewise.
2279
2280 2004-07-07  Roger Sayle  <roger@eyesopen.com>
2281
2282         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
2283         for simple floating point operations "fp", double precision
2284         multiplication "dmul", and single and double precision division
2285         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
2286         (ppc630_cost): New table split from ppc620_cost, to distinguish
2287         differences in floating point latencies.
2288         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
2289         (rs6000_rtx_costs): Add support for single and double precision
2290         floating point addition, subtraction, multiplication, division,
2291         fused-multiply-add, fused-multiply-sub, negation, absolute value
2292         and negative absolute value.  Tweak MEM case to use prefered idiom.
2293
2294 2004-07-07  Richard Henderson  <rth@redhat.com>
2295
2296         * tree-flow-inline.h (may_propagate_copy): Move...
2297         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
2298         attempt to copy between types requiring conversion.
2299         * tree-flow.h (may_propagate_copy): Update decl.
2300         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
2301
2302 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
2303
2304         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
2305         from -mtune= option.
2306
2307 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2308
2309         * builtins.c: Rename movstr*, except for movstrict*, to
2310         movmem* and clrstr* to clrmem*.
2311         * expr.c: Likewise.
2312         * expr.h: Likewise.
2313         * genopinit.c: Likewise.
2314         * integrate.c: Likewise.
2315         * local-alloc.c: Likewise.
2316         * optabs.c: Likewise.
2317         * optabs.h: Likewise.
2318         * config/alpha/alpha.h: Likewise.
2319         * config/alpha/alpha.md: Likewise.
2320         * config/arm/arm-protos.h: Likewise.
2321         * config/arm/arm.c: Likewise.
2322         * config/arm/arm.md: Likewise.
2323         * config/avr/avr.md: Likewise.
2324         * config/c4x/c4x.c: Likewise.
2325         * config/c4x/c4x.md: Likewise.
2326         * config/frv/frv.md: Likewise.
2327         * config/i386/i386-protos.h: Likewise.
2328         * config/i386/i386.c: Likewise.
2329         * config/i386/i386.h: Likewise.
2330         * config/i386/i386.md: Likewise.
2331         * config/i860/i860.c: Likewise.
2332         * config/i860/i860.md: Likewise.
2333         * config/ip2k/ip2k.md: Likewise.
2334         * config/ip2k/libgcc.S: Likewise.
2335         * config/ip2k/t-ip2k: Likewise.
2336         * config/m32r/m32r.c: Likewise.
2337         * config/m32r/m32r.md: Likewise.
2338         * config/mcore/mcore.md: Likewise.
2339         * config/mips/mips.c: Likewise.
2340         * config/mips/mips.md: Likewise.
2341         * config/ns32k/ns32k.c: Likewise.
2342         * config/ns32k/ns32k.h: Likewise.
2343         * config/ns32k/ns32k.md: Likewise.
2344         * config/pa/pa.c: Likewise.
2345         * config/pa/pa.md: Likewise.
2346         * config/pdp11/pdp11.h: Likewise.
2347         * config/pdp11/pdp11.md: Likewise.
2348         * config/rs6000/rs6000.c: Likewise.
2349         * config/rs6000/rs6000.md: Likewise.
2350         * config/s390/s390-protos.h: Likewise.
2351         * config/s390/s390.c: Likewise.
2352         * config/s390/s390.md: Likewise.
2353         * config/sh/lib1funcs.asm: Likewise.
2354         * config/sh/sh.c: Likewise.
2355         * config/sh/sh.md: Likewise.
2356         * config/sh/t-sh: Likewise.
2357         * config/sparc/sparc.h: Likewise.
2358         * config/vax/vax.md: Likewise.
2359         * config/xtensa/xtensa.c: Likewise.
2360         * config/xtensa/xtensa.md: Likewise.
2361         * doc/invoke.texi: Likewise.
2362         * doc/md.texi: Likewise.
2363         * doc/rtl.texi: Likewise.
2364
2365 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
2366
2367         PR target/16407
2368         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
2369         * config/mips/mips.c (mips_declare_common_object): New function,
2370         mostly split out from...
2371         (mips_output_aligned_decl_common): ...here.
2372         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
2373         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
2374         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
2375         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
2376
2377 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2378
2379         PR c/16392
2380         * function.c (assign_parms): Fix typo from previous change.
2381
2382 2004-07-07  Jason Merrill  <jason@redhat.com>
2383
2384         PR c++/15815
2385         * doc/extend.texi (C++ Interface): Correct information and
2386         discourage use.
2387
2388 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
2389
2390         PR target/16130
2391         PR target/16142
2392         PR target/16143
2393         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
2394         insn.
2395
2396 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2397
2398         PR target/1679.
2399         * config/m32r/m32r.c (m32r_function_symbol): New function:
2400         Generate a symbol name RTX with the correct m32r specific flags
2401         set.
2402         (block_move_call): Use new function to generate correct symbol.
2403         * config/m32r/m32r-protos.h: Add prototype for new funcion.
2404         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
2405         function.
2406
2407 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
2408
2409         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
2410         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
2411         TYPE_BINFO_BASETYPE): Remove.
2412         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
2413         to ...
2414         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
2415         here.
2416         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
2417         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
2418         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
2419         (struct tree_binfo): Rename base_types to base_binfos.
2420         * alias.c (record_component_aliases): Adjust BINFO macros.
2421         * dbxout.c (dbxout_type): Likewise.
2422         * dwarf2out.c (gen_member_die): Likewise.
2423         * sdbout.c (sdbout_one_type): Likewise.
2424         * tree-dump.c (deque_and_dump): Likewise.
2425         * config/i386/i386.c (classify_argument,
2426         contains_128bit_aligned_vector_p): Likewise.
2427
2428 2004-07-07  Nick Clifton  <nickc@redhat.com>
2429
2430         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
2431         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
2432
2433 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
2434
2435         * vec.h: Fix the example use.
2436
2437 2004-07-06  Richard Henderson  <rth@redhat.com>
2438
2439         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
2440         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
2441         * tree-inline.c (copy_body_r, setup_one_parameter,
2442         initialize_inlined_parameters, expand_call_inline,
2443         declare_inline_vars): Don't check it.
2444         (expand_calls_inline): Remove old version, rename new version
2445         from gimple_expand_calls_inline.
2446         * tree-optimize.c (execute_gimple): Remove.
2447         (pass_gimple): Don't run anything.
2448
2449 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2450
2451         * doc/sourcebuild.texi: Use semicolons instead of commas in
2452         section title.
2453
2454 2004-07-06  Richard Henderson  <rth@redhat.com>
2455
2456         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
2457         (sra_walk_modify_expr, scan_init): Likewise.
2458         (generate_element_zero): Check visited before scanning children.
2459         (generate_element_init): Set visited on error.
2460         (scalarize_init): Handle generate_element_init failure similar
2461         to use_block_copy.
2462
2463 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2464
2465         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
2466         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
2467
2468 2004-07-06  Richard Henderson  <rth@redhat.com>
2469
2470         * config/i386/i386.c (legitimize_pic_address): Make static.
2471         (legitimize_address): Handle CONST with TLS operand.
2472         (ix86_expand_move): Don't call legitimize_pic_address directly.
2473         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
2474
2475 2004-07-06  Roger Sayle  <roger@eyesopen.com>
2476
2477         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
2478         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
2479         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
2480         is currently executed unconditionally, i.e. not in "else_bb".
2481
2482 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2483
2484         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
2485         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2486         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
2487         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2488         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
2489         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2490         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
2491         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2492         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
2493         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2494         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
2495         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2496         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
2497         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2498         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
2499         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2500
2501 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2502
2503         * dojump.c (do_jump): REFERENCE_EXPR is dead.
2504         * expr.c (expand_expr_real_1): Ditto.
2505         * tree-inline.c (estimate_num_insns_1): Ditto.
2506         * tree-pretty-print.c (dump_generic_node): Ditto.
2507         (op_symbol): Ditto.
2508         * tree.def: Ditto.
2509
2510 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2511
2512         * tree-ssa-pre.c (reference_node_pool): New pool.
2513         (find_or_generate_expression): Class 'r' is okay too.
2514         (create_value_expr_from): Ditto.
2515         (add_to_sets): LHS should not include vuses.
2516         (eliminate): Ditto.
2517         (compute_avail): Reverse ordering of tests.
2518         Valuize INDIRECT_REF as well.
2519
2520 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
2521
2522         PR rtl-optimization/16380
2523         * loop.c (check_dbra_loop): Sink comparison instructions if they
2524         do something other than set cc0.
2525
2526 2004-07-06  James E Wilson  <wilson@specifixinc.com>
2527
2528         * doc/interface.texi (longjmp and automatic variables): Delete
2529         paragraph recommending taking the address of a variable.
2530
2531 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2532
2533         * vec.h (VEC_embedded_alloc): Remove.
2534         (VEC_embedded_size, VEC_embedded_init): New.
2535         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
2536         MEM_STAT_INFO.
2537         (VEC_truncate): New.
2538         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
2539         (vec_embedded_alloc): Remove.
2540         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
2541         (vec_embedded_alloc): Remove.
2542
2543 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
2544
2545         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
2546         (gt-langhooks.h): Remove.
2547
2548 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
2549
2550         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
2551
2552 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2553
2554         * config/sparc/sparc.c (get_pc_symbol): Rename into
2555         add_pc_to_pic_symbol.
2556         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
2557         (load_pic_register): Account for previous changes.
2558         Use reg_names.  Don't create the label twice.
2559         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
2560         UNSPEC_LOAD_PCREL_SYM.
2561         (get_pc): Rename into load_pcrel_sym.  Add predicate to
2562         operands.  Remove condition.
2563
2564 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2565
2566         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
2567         RECORD, UNION & QUAL_UNION is actually a binfo.
2568
2569         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
2570         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
2571         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
2572         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
2573         * dwarf2out.c (add_data_member_location_attribute): Likewise.
2574         (gen_inheritance_die): Likewise.
2575         * tree-dump.c (deque_and_dump): Likewise.
2576         * doc/c-tree.texi (Binfos): Add under reconstruction note.
2577
2578 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2579
2580         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2581         Define.
2582         * config/mcore/mcore.md: Model memory latency with a simple DFA
2583         pipeline description instead of a define_function_unit.
2584
2585 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2586
2587         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
2588         * langhooks.h (var_mod_type_p): Likewise.
2589         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
2590         * expr.c (count_type_elements): Properly handle return from
2591         array_type_nelts and properly test for overflow.
2592         * gimplify.c (gimplify_init_constructor): Properly handle return
2593         from array_type_nelts.
2594         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
2595         * integrate.c (copy_decl_for_inlining): Correct comments.
2596         * tree-inline.c (remap_decl): Update comments, remove dead code,
2597         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
2598         (remap_type): Only remap if variably modified by vars in function
2599         being inlined.
2600         (copy_body_r): Use compatible_type langhooks to see when can fold.
2601         (setup_one_parameter): Don't remap type.
2602         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
2603         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
2604         compute TREE_INVARIANT for decl case.
2605         (find_var_from_fn): New function.
2606         (variably_modified_type_p): Add arg and call new function.
2607         * tree.h (variably_modified_type_p): Add extra arg.
2608
2609 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2610
2611         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
2612         (goto_handler_and_restore_v9): Delete disabled insn.
2613         (goto_handler_and_restore_v9_sp64): Likewise.
2614
2615 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2616
2617         * calls.c (load_register_parameters): Call expand_shift instead
2618         of expand_binop with ashl_optab (or other shift optab) directly.
2619         * expr.c (emit_group_load, emit_group_store): Likewise.
2620         * function.c (assign_parm_setup_block): Likewise.
2621         * stmt.c (shift_return_value): Likewise.
2622
2623 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
2624
2625         * expr.c (expand_assignment): Disable the bitfield += optimizations.
2626
2627 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2628
2629         * doc/sourcebuild.texi: Revert previous patch.
2630
2631 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2632
2633         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
2634         TARGET_MEM_FUNCTIONS.
2635         * system.h: Poison TARGET_MEM_FUNCTIONS.
2636         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
2637         bcmp_libfunc, bzero_libfunc): Remove.
2638         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
2639         bzero_libfunc.
2640         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
2641         * doc/standards.texi: Don't mention calling BSD string functions.
2642         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
2643         * config/vax/t-memfuncs: New.
2644         * config/memcmp.c, config/memcpy.c, config/memmove.c,
2645         config/memset.c: New.
2646         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
2647         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
2648         vax/t-memfuncs.
2649         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
2650         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
2651         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
2652         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
2653         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
2654         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
2655         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
2656         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
2657         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
2658         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
2659
2660 2004-07-05  Richard Henderson  <rth@redhat.com>
2661
2662         * function.c (assign_parm_setup_reg): Properly rename variables in
2663         FUNCTION_ARG_CALLEE_COPIES section.
2664
2665 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2666
2667         * tree-mudflap.c: Include cgraph.h.
2668         (mf_init_extern_trees): Rename to mudflap_init.  Export.
2669         Rewrite to create synthetic declarations instead of looking
2670         up declarations from mf-runtime.h.
2671         (mf_make_builtin, mf_make_cache_struct_type): New functions.
2672         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
2673         Correct commentary.
2674         (execute_mudflap_function_decls, mudflap_register_call):
2675         Don't call mf_init_extern_trees.
2676         (mudflap_finish_file): Use cgraph_build_static_cdtor.
2677
2678         * tree-mudflap.h: Update prototypes.
2679         * c-mudflap.c: Delete file.
2680         * c-common.c: Include tree-mudflap.h.
2681         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
2682         * Makefile.in: Remove all references to c-mudflap.o.
2683         Update dependencies.
2684
2685 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2686
2687         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
2688         displacements with the spatial-locality cache-control completer.
2689
2690 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2691
2692         * langhooks.c: Don't include gt-langhooks.h.
2693         (var_labelno): Delete.
2694         (lhd_set_decl_assembler_name): Do not append a distinguishing
2695         number to file-scope internal-linkage declarations for the first
2696         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
2697         the declaration itself (if at block scope), or its containing
2698         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
2699         number.
2700
2701         * opts.c (cur_in_fname): New global.
2702         * opts.h: Declare it.
2703         * tree.c: Include opts.h.
2704         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
2705         DECL_UID equal to cur_in_fname.
2706         (copy_node_stat): Do not change DECL_UID when copying a
2707         TRANSLATION_UNIT_DECL.
2708         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
2709         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
2710
2711         * c-decl.c (c_static_assembler_name): Delete.
2712         * c-tree.h (c_static_assembler_name): Delete prototype.
2713         * c-lang.c, objc/objc-lang.c: Don't override
2714         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
2715
2716         * Makefile.in (tree.o): Update dependencies.
2717         (GTFILES): Remove langhooks.c.
2718
2719 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2720
2721         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
2722         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
2723         Normalize "X % C" as "X % -C" for signed modulus and negative C.
2724         Optimize "X % -Y" as "X % Y" for signed modulus.
2725         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
2726         into "((unsigned) X % Y) == 0".
2727
2728 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2729
2730         * sourcebuild.texi (Config Fragments): Use @comma{} in
2731         cross-reference to section title.
2732
2733 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2734
2735         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
2736         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
2737         (gimplify_target_expr, gimplify_expr): Likewise.
2738         (copy_if_shared_r): No longer need special case for BIND_EXPR.
2739         (unshare_body, unvisit_body): Only look at nested if BODY_P is
2740         whole function.
2741         (gimplify_compound_lval): See if we can strip any useless conversion.
2742         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
2743         from RHS, not LHS.
2744         (gimplify_modify_expr_to_memset): Likewise.
2745         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
2746         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
2747         (declare_inline_vars): Likewise.
2748         (walk_type_fields): New function.
2749         (walk_tree): Use it.
2750         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
2751
2752         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
2753         (sra_walk_modify_expr): Allow init function to fail.
2754         (scan_init): Now returns bool.
2755         (generate_element_init): If can't understand INIT, return false.
2756         (scalarize_init): Return false if generate_element_init does.
2757
2758         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
2759         print bounds.
2760
2761         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
2762         bounds if bounds aren't constant.
2763
2764         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
2765
2766         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
2767         to type hooks; remove bogus PARAMS.
2768
2769 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
2770
2771         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
2772         * dwarf2out.c (add_data_member_location_attribute): Check for
2773         TREE_BINFO.
2774         * tree.c (tree_node_kinds): Add "binfos".
2775         (binfo_lang_slots): New.
2776         (make_node_stat): Add TREE_BINFO.
2777         (make_tree_binfo_stat): New.
2778         (tree_node_structure): Add TREE_BINFO.
2779         * tree.def (TREE_BINFO): New.
2780         * tree.h (REC_OR_UNION_CHECK): Rename to ...
2781         (RECORD_OR_UNION_CHECK): ... here.
2782         (NOT_RECORD_OR_UNION_CHECK): New.
2783         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
2784         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
2785         RECORD_OR_UNION_CHECK.
2786         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
2787         (TYPE_LANG_SLOT_1): New.
2788         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
2789         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
2790         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
2791         (BINFO_ELTS): Remove.
2792         (BINFO_LANG_SLOT): New.
2793         (struct tree_binfo): New.
2794         (binfo_lang_slots): Declare.
2795         (enum tree_node_structure_enum): Add TS_BINFO.
2796         (union tree_node): Add binfo.
2797         (make_tree_binfo_stat): Declare.
2798         (make_tree_binfo): New.
2799         (enum tree_node_kind): Add binfo_kind.
2800
2801         * objc/objc-act.c (start_class, objc_declare_protocols,
2802         start_protocols): Use TYPE_LANG_SLOT_1.
2803         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
2804         to ...
2805         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
2806         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
2807         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
2808         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
2809
2810 2004-07-05  Steven Bosscher  <stevenb@suse.de>
2811
2812         * rtl.h (struct rtx_def): Remove the integrated flag.
2813         Use the return_val flag for MEM_SCALAR_P.
2814         Reshuffle and update flags in CLEAR_RTX_FLAGS.
2815
2816 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
2817
2818         PR target/16357
2819         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
2820         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
2821         move_by_pieces.
2822
2823 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
2824
2825         * var-tracking.c: Fix some comments.
2826         (frame_stack_adjust): New.
2827         (vt_stack_adjustments): Init stack_adjust of entry block to
2828         minus stack adjustment of function prologue.
2829         (adjust_stack_reference): Do not adjust if adjustment == 0.
2830         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
2831         (emit_notes_in_bb): Likewise.
2832         (vt_add_function_parameters): Do not adjust locations of
2833         function arguments.
2834         (vt_initialize): Compute the stack adjustment of function
2835         prologue and offset the initial "location" of frame_base_decl
2836         from the stack pointer after prologue.
2837
2838 2004-07-04  Richard Henderson  <rth@redhat.com>
2839
2840         * function.c (struct assign_parm_data_all): New.
2841         (struct assign_parm_data_one): New.
2842         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
2843         assign_parm_find_data_types, assign_parms_setup_varargs,
2844         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
2845         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
2846         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
2847         assign_parm_setup_block, assign_parm_setup_reg,
2848         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
2849         (assign_parms): ... here.
2850
2851 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
2852
2853         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
2854         now are bitmap_set_t's.
2855         (bitmap_insert_into_set): No point in inserting the value if
2856         it's invariant.
2857         (bitmap_set_contains): New function.
2858         (bitmap_set_replace_value): Add comment on why we do it
2859         this way.
2860         (set_contains): Removed.
2861         (bitmap_set_subtract_from_value_set): New name of
2862         set_subtract now that it's arguments are two different
2863         types of sets.
2864         Update callers.
2865         (bitmap_find_leader): Change algorithm used.
2866         (find_or_generate_expression): Update use of functions for new
2867         bitmap sets.
2868         (create_expression_by_pieces): Ditto.
2869         (insert_aux): Ditto.
2870         (insert): Ditto.
2871         (add_to_sets): Ditto.
2872         (init_pre): Ditto.
2873         (execute_pre): Ditto.
2874         (compute_avail): Ditto.
2875         Also ignore virtual phis.
2876
2877 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
2878
2879         * combine.c (simplify_comparison): Fix comment typo.
2880
2881 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2882
2883         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
2884         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
2885         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
2886         (output_restore): Change parameter from 'insn' to 'pat'.
2887         (output_return): Adjust call to output_restore.
2888         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
2889         Adjust call to output_restore.
2890
2891 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
2892
2893         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
2894         and assert system is bsd.
2895
2896 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
2897
2898         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
2899         (TARGET_SWITCHES): Remove -mdebugc.
2900         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
2901         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
2902         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
2903         (sle_[sd]i_reg): Delete.
2904
2905 2004-07-04  Steven Bosscher  <stevenb@suse.de>
2906
2907         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2908         Define.
2909         * config/iq2000/iq2000.md: Translate old pipeline description to an
2910         equivalent new one.
2911
2912 2004-07-04  Roger Sayle  <roger@eyesopen.com>
2913
2914         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
2915         Ensure the replacement rhs is valid gimple before performing
2916         the substitution.  Return false if these sanity checks fail.
2917         (fold_stmt): Only set changed to true, if set_rhs returns true.
2918         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
2919         succeeds.
2920
2921 2004-07-04  Richard Henderson  <rth@redhat.com>
2922
2923         PR c/16348
2924         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
2925
2926 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
2927
2928         * configure.ac (ranlib_flags): New variable.
2929         * Makefile.in (RANLIB_FLAGS): New variable.
2930         (libbackend.a): Use it.
2931         * configure: Regenerated.
2932
2933 2004-07-04  Roger Sayle  <roger@eyesopen.com>
2934
2935         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
2936         a "sign mask" instead of using ashr_optab directly.
2937
2938 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
2939
2940         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
2941         * doc/cppopts.texi: Clarify processing of command-line defines.
2942
2943 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
2944
2945         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
2946
2947 2004-07-04  Richard Henderson  <rth@redhat.com>
2948
2949         * rtl.def (ADDRESSOF): Remove.
2950         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
2951         (find_base_term, memrefs_conflict_p): Likewise.
2952         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
2953         (fold_rtx, cse_insn, set_live_p): Likewise.
2954         * dwarf2out.c (mem_loc_descriptor): Likewise.
2955         (add_location_or_const_value_attribute): Likewise.
2956         * emit-rtl.c (copy_insn_1): Likewise.
2957         * explow.c (memory_address): Likewise.
2958         * expmed.c (store_split_bit_field): Likewise.
2959         * expr.c (expand_expr_real_1): Likewise.
2960         * function.c (instantiate_decl
2961         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
2962         * genrecog.c (preds, validate_pattern): Likewise.
2963         * integrate.c (copy_rtx_and_substitute): Likewise.
2964         * recog.c (general_operand, register_operand): Likewise.
2965         (memory_address_p): Likwise.
2966         * reload1.c (eliminate_regs, elimination_effects): Likewise.
2967         * rtl.c (copy_rtx): Likewise.
2968         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
2969         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
2970         * rtlhooks.c (gen_lowpart_general): Likewise.
2971         * stmt.c (expand_asm_operands): Likewise.
2972         * web.c (entry_register, replace_ref, web_main): Likewise.
2973         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
2974         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
2975         * config/arm/arm.c (thumb_rtx_costs): Likewise.
2976         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
2977         * config/frv/frv.c (move_destination_operand, move_source_operand,
2978         condexec_dest_operand, condexec_source_operand,
2979         condexec_memory_operand): Likewise.
2980         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
2981         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
2982         (destination_xfmode_operand): Likewise.
2983         * config/mips/mips.h (PREDICATE_CODES): Likewise.
2984         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
2985         * config/s390/s390.c (general_s_operand): Likewise.
2986         * config/s390/s390.md (mov*): Likewise.
2987         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
2988
2989         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
2990         * expr.c (expand_expr_real_1): Likewise.
2991         * stmt.c (expand_decl): Likewise.
2992         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2993
2994         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
2995         postponed_insns, put_var_into_stack, put_reg_into_stack,
2996         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
2997         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
2998         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
2999         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
3000         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
3001         purge_bitfield_addressof_replacements, purge_addressof_replacements,
3002         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
3003         struct insns_for_mem_walk_info, insns_for_mem_walk,
3004         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
3005         setjmp_protect_args): Remove.
3006         (push_function_context_to): Don't handle var_refs_queue.
3007         (pop_function_context_from, free_after_compilation): Likewise.
3008         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
3009         (assign_parms, allocate_struct_function): Likewise.
3010         (use_register_for_decl): New.
3011         (expand_function_end): Don't setjmp_protect.
3012         * function.h (struct emit_status): Update commentary.
3013         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
3014         (max_parm_reg, parm_reg_stack_loc): Remove.
3015         * passes.c (DFI_addressof): Remove.
3016         (dump_file_info): Remove addressof.
3017         (rest_of_handle_addressof): Remove.
3018         (rest_of_compilation): Don't call it.
3019         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
3020         * stmt.c (expand_decl): Use use_register_for_decl.
3021         * tree.h: Update decls.
3022         * web.c (mark_addressof): Remove.
3023         * doc/invoke.texi (-dF): Remove.
3024
3025 2004-07-03  Richard Henderson  <rth@redhat.com>
3026
3027         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
3028         instead of gen_mem_addressof.
3029         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
3030         TImode output register.
3031
3032 2004-07-03  Richard Henderson  <rth@redhat.com>
3033
3034         PR tree-optimization/16341
3035         * tree-sra.c (sra_walk_function): Increment to next stmt before
3036         processing the current stmt.
3037         (sra_insert_after): Always use BSI_SAME_STMT.
3038
3039 2004-07-03  Richard Henderson  <rth@redhat.com>
3040
3041         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
3042         fp plus with minus.
3043
3044 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3045
3046         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
3047         with tree_int_cst_equal.
3048
3049 2004-07-03  Andreas Schwab  <schwab@suse.de>
3050
3051         * config/ia64/ia64.md: Define new attribute "empty".
3052         (prologue_use, nop_x, insn_group_barrier): Set it.
3053
3054         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
3055         skip over "empty" insns.
3056
3057 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3058
3059         * tree-inline.c (initialize_inlined_parameters): Pass proper function
3060         context to gimplify_body.
3061         (walk_tree): Don't walk into types twice.
3062         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
3063
3064         * tree-sra.c (generate_element_init): Remove any useless conversions.
3065
3066         * gimplify.c (gimplify_conversion): Remove stripping useless
3067         conversions from here.
3068         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
3069         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
3070         Unshare before substituting PLACEHOLDER_EXPR.
3071         (gimplify_modify_expr_to_memset): Likewise.
3072         Pass address of TO to memset, not TO itself.
3073         (gimplify_init_constructor): Make copy of OBJECT so we have it each
3074         time we make an expression (to match a PLACEHOLDER_EXPR).
3075
3076         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
3077         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
3078         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
3079         * tree-ssa-dom.c (local_fold): Likewise.
3080
3081         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
3082         * langhooks.h (strct lang_hooks): New field type_max_size.
3083         * function.c (assign_temp): Call it.
3084
3085 2004-07-03  Steven Bosscher  <stevenb@suse.de>
3086
3087         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
3088         * config/sh/sh.md: Convert the SH1 pipeline description to
3089         a DFA model.
3090
3091 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
3092
3093         * c-decl.c (struct c_binding): Remove contour field; add
3094         depth, invisible, nested fields.
3095         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
3096         (B_IN_EXTERNAL_SCOPE): New convenience macros.
3097         (bind): Add invisible and nested arguments. Initialize
3098         new fields of struct c_binding; adjust loop scanning for
3099         insertion point.
3100         (free_binding_and_advance): Clear structure with memset.
3101         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
3102         in file scope, even if it's in external scope too.
3103         (pushdecl): Adjust to match.  Create invisible file-scope
3104         declarations for block-scope forward declarations of static functions.
3105         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
3106         (undeclared_variable, lookup_label, declare_label, define_label)
3107         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
3108         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
3109         (store_parm_decls_oldstyle): Adjust to match.
3110         (diagnose_mismatched_decls): Correct handling of linkage clashes.
3111         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
3112
3113         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
3114         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
3115
3116 2004-07-02  Richard Henderson  <rth@redhat.com>
3117
3118         * c-decl.c (grokdeclarator): Don't frob current_function_decl
3119         around variable_size.
3120         (set_decl_nonlocal): Remove.
3121         (store_parm_decls): Add stmts for pending sizes.
3122         * calls.c (calls_function, calls_function_1): Remove.
3123         (precompute_arguments): Don't call it.
3124         * cfgexpand.c (set_save_expr_context): Remove.
3125         (tree_expand_cfg): Don't call it.
3126         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
3127         (dwarf2out_finish): Likewise.
3128         * expr.c (emit_block_move): Adjust addresses to BLKmode.
3129         (store_constructor): Don't pre-evaluate SAVE_EXPR.
3130         (safe_from_p): Don't queue SAVE_EXPRs.
3131         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
3132         or build plain VAR_DECLs.
3133         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
3134         (fold): Likewise.
3135         (fold_checksum_tree): Don't special-case SAVE_EXPR.
3136         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
3137         (put_var_into_stack): Don't handle SAVE_EXPR.
3138         (gen_mem_addressof): Likewise.
3139         * function.h (struct function): Remove x_save_expr_regs.
3140         (save_expr_regs): Remove.
3141         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
3142         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
3143         * stor-layout.c (variable_size): Don't set it.
3144         (force_type_save_exprs, force_type_save_exprs_1): Remove.
3145         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
3146         all callers.  Don't set SAVE_EXPR_CONTEXT.
3147         * tree-inline.h (remap_save_expr): Update decl.
3148         * tree.c (save_expr): Update build size.
3149         (first_rtl_op): Don't handle SAVE_EXPR.
3150         (unsave_expr_1, contains_placeholder_p): Likewise.
3151         (decl_function_context): Likewise.
3152         * tree.def (SAVE_EXPR): Remove args 1 and 2.
3153         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
3154         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
3155
3156 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3157
3158         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
3159         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
3160         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
3161         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
3162         some first-person references and patronizing comments.  Based on
3163         printed manual.
3164         * doc/invoke.texi: Don't reference fortran@gnu.org.
3165         * doc/trouble.texi (Warning when a non-void function value is
3166         ignored): Rewrite.  From Russ Allbery and Chris Devers.
3167
3168 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
3169
3170         * tree-ssa-pre.c (bitmap_set_t): New.
3171         (bb_value_sets): avail_out is now a bitmap_set_t.
3172         (bitmap_find_leader): New function.
3173         (bitmap_value_insert_into_set): Ditto.
3174         (bitmap_set_copy): Ditto.
3175         (bitmap_value_replace_in_set): Ditto.
3176         (bitmap_set_contains_value): Ditto.
3177         (bitmap_set_new): Ditto.
3178         (bitmap_set_pool): New pool.
3179         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
3180         (insert_aux): Ditto.
3181         (add_to_sets): Ditto.
3182         (compute_avail): Ditto
3183         (eliminate): Ditto.
3184         (init_pre): Ditto.
3185         (fini_pre): Ditto.
3186         (execute_pre): Ditto.
3187
3188 2004-07-02  Roger Sayle  <roger@eyesopen.com>
3189
3190         * config/rs6000/rs6000.c (struct processor_costs): New structure
3191         used to hold instruction latencies/sizes for processor types.
3192         (rs6000_cost): New global variable pointing to current CPU's costs.
3193         (rs6000_override_options): Initialize rs6000_cost to point to the
3194         appropriate cost table based upon rs6000_cpu and optimize_size.
3195         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
3196         timings inline.
3197
3198 2004-07-02  Richard Henderson  <rth@redhat.com>
3199
3200         * expmed.c (make_tree): Don't use SET_DECL_RTL.
3201
3202 2004-07-02  Steven Bosscher  <stevenb@suse.de>
3203
3204         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
3205
3206 2004-07-01  Richard Henderson  <rth@redhat.com>
3207
3208         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
3209         (alpha_gp_save_rtx): Use assign_stack_local instead of
3210         gen_mem_addressof.
3211
3212 2004-07-01  Richard Henderson  <rth@redhat.com>
3213
3214         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
3215         (alpha_rtx_cost_data): Update to match.
3216         (alpha_rtx_cost_size): New.
3217         (alpha_rtx_costs): Honor optimize_size.
3218
3219 2004-07-01  Richard Henderson  <rth@redhat.com>
3220
3221         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
3222         * cfgexpand.c (tree_expand_cfg): Do it here.
3223         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
3224         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
3225         * config/mips/mips.c (mips_output_mi_thunk): And here.
3226         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
3227         * config/sh/sh.c (sh_output_mi_thunk): And here.
3228         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
3229
3230 2004-07-01  Richard Henderson  <rth@redhat.com>
3231
3232         * tree.def (RTL_EXPR): Remove.
3233         * c-typeck.c (lvalue_p): Don't handle it.
3234         * expr.c (safe_from_p): Likewise.
3235         (expand_expr_real_1): Likewise.
3236         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
3237         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
3238         * gengtype.c (adjust_field_tree_exp): Likewise.
3239         * stmt.c (warn_if_unused_value): Likewise.
3240         * tree-gimple.c (recalculate_side_effects): Likewise.
3241         * tree-pretty-print.c (dump_generic_node): Likewise.
3242         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
3243         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
3244         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
3245
3246         * stmt.c (struct stmt_status): Remove x_last_expr_type,
3247         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
3248         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
3249         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
3250         all the bits that tracked last_expr.
3251         (expand_end_bindings): Don't track last_expr.
3252         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
3253         (clear_last_expr): Remove.
3254         (expand_asm): Don't call it.
3255         (expand_asm_operands, expand_end_cond): Likewise.
3256         (expand_naked_return, expand_null_return_1): Likewise.
3257         * c-typeck.c (c_begin_compound_stmt): Likewise.
3258         * cfgexpand.c (expand_block): Use expand_expr_stmt.
3259         * expr.c (expand_expr_real_1): Likewise.
3260         * tree.h: Update prototypes.
3261
3262         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
3263         (struct emit_status): Remove sequence_rtl_expr.
3264         (struct function): Remove x_rtl_expr_chain.
3265         (seq_rtl_expr, rtl_expr_chain): Remove.
3266         * function.c (struct temp_slot): Remove rtl_expr.
3267         (assign_stack_temp_for_type): Don't set it.
3268         (free_temp_slots, pop_temp_slots): Don't check it.
3269         (free_after_compilation): Don't clear x_rtl_expr_chain.
3270         (fixup_var_refs): Don't search it.
3271         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
3272         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
3273         or seq_rtl_expr.
3274         (push_topmost_sequence): Likewise.
3275         (end_sequence, init_emit): Likewise.
3276         (start_sequence_for_rtl_expr): Remove.
3277         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
3278         * rtl.h (preserve_rtl_expr_result): Remove.
3279
3280 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
3281
3282         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
3283         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
3284         typos.
3285
3286 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3287
3288         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
3289         (STANDARD_STARTFILE_PREFIX_2): Define.
3290         (standard_startfile_prefix_1): Initialize to
3291         STANDARD_STARTFILE_PREFIX_1.
3292         (standard_startfile_prefix_2): Initialize to
3293         STANDARD_STARTFILE_PREFIX_2.
3294         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
3295         (STANDARD_STARTFILE_PREFIX_1): Define.
3296         (STANDARD_STARTFILE_PREFIX_2): Define.
3297         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
3298         (STANDARD_STARTFILE_PREFIX_2): Document.
3299
3300 2004-07-01  Richard Henderson  <rth@redhat.com>
3301
3302         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
3303         in order to disable scalarization.  Instead set a flag and wait
3304         for a candidate decl.
3305
3306 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
3307
3308         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
3309         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
3310         Use terminology "testsuite" and "enumerated".
3311
3312 2004-07-01  Richard Henderson  <rth@redhat.com>
3313
3314         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
3315         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
3316         (initial_return_save): Likewise.
3317         (flush_queued_reg_saves): Remap register numbers.
3318         (dwarf2out_return_reg): Likewise.
3319
3320 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3321
3322         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
3323
3324         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
3325         access functions for lower bound and element size and only output
3326         if lower bound nonzero or element size not same as that of type.
3327         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
3328
3329 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3330
3331         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
3332
3333 2004-07-01  Per Bothner  <per@bothner.com>
3334
3335         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
3336
3337 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
3338
3339         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
3340         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
3341         first operand.  Don't optimize if the bitfield is volatile.
3342
3343 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3344
3345         * c-pretty-print.c (pp_c_postfix_expression): Handle
3346         floating-point comparison operators.
3347         (pp_c_expression): Pass floating-point comparison
3348         operators to pp_c_postfix_expression.