1 2005-07-26 DJ Delorie <dj@redhat.com>
3 * configure: Regenerate.
5 2005-07-26 Dale Johannesen <dalej@apple.com>
7 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
9 2005-07-26 Mark Mitchell <mark@codesourcery.com>
11 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
12 Clarify use of "build" in name.
14 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
16 * doc/extend.texi (Raw read/write Functions): New section.
17 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
18 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
19 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
20 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
21 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
22 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
23 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
24 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
25 * config/frv/frv.c: Add bdesc_loads global.
26 Add bdesc_stores global.
27 (frv_init_builtins): Add support for __builtin_{read/write}*.
28 (frv_volatile_memref): New.
29 (frv_expand_load_builtin): New.
30 (frv_expand_store_builtin): New.
31 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
32 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
33 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
34 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
35 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
36 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
37 (builtin_read_<mode>): New.
38 (builtin_write_<mode>): New.
39 (builtin_write64): New.
40 (optional_membar_<mode>): New.
42 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
44 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
45 (rather than units) against HOST_BITS_PER_WIDE_INT.
47 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
49 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
50 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
51 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
52 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
55 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
56 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
57 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
59 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
61 2005-07-26 Richard Guenther <rguenther@suse.de>
63 PR tree-optimization/22486
64 * fold-const.c (fold_unary): Fold away useless component
65 references of the form (T *)&T.x, if the address
68 2005-07-25 James E Wilson <wilson@specifixinc.com>
70 * dwarf2out.c (add_call_src_coords_attributes): New.
71 (gen_inlined_subroutine_die): Call it.
72 (maybe_emit_file, init_file_table): Add comments.
73 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
75 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
76 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
77 * tree.h (BLOCK_SOURCE_LOCATION): New.
78 (struct tree_block): New field locus.
80 2005-07-26 Andreas Schwab <schwab@suse.de>
82 PR rtl-optimization/23043
83 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
84 when allocating a struct unoccr.
86 2005-07-25 Richard Henderson <rth@redhat.com>
89 * tree-complex.c (gate_no_optimization): True if errors.
90 * Makefile.in (tree-complex.o): Update dependencies.
92 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
94 * config/frv/predicates.md (integer_register_operand): Use
97 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
100 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
102 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
104 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
106 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
107 types when flag_unsafe_math_optimizations is true.
109 2005-07-25 Mark Mitchell <mark@codesourcery.com>
111 * gcc.c (option_map): Add --sysroot.
112 (process_command): Handle --sysroot.
113 (display_help): Document it.
114 * doc/cppopts.tex (-isysroot): Document.
115 * doc/invoke.texi (--sysroot): Document.
116 * doc/install.texi (--with-build-sysroot): Document.
118 * Makefile.in (inhibit_libc): New variable.
119 (INHIBIT_LIBC_CFLAGS): Likewise.
120 (LIBGCC2_CFLAGS): Include
121 $(INHIBIT_LIBC_CFLAGS).
122 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
123 ($(T)crtbegin.o): Do not use @inhibit_libc@.
124 ($(T)crtend.o): Likewise.
125 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
126 ($(T)crtendS.o): Likewise.
127 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
128 ($(T)crtendT.o): Likewise.
129 (stmp-fixinc): Do not complain about missing headers if
131 * configure.ac (inhibit_libc): Set it to true/false.
132 (--with-build-sysroot): New option. Use it to set
134 * configure: Regenerated.
136 2005-07-25 Manfred Hollstein <mh@suse.com>
138 * calls.c (store_one_arg): Fix unsigned comparison warning.
140 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
143 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
144 (ggc_print_statistics): Initialize variable before use.
146 2005-07-25 Richard Guenther <rguenther@suse.de>
148 * tree-dfa.c (mark_new_vars_to_rename): Protect against
149 calling with a PHI_NODE argument.
151 * tree-flow-inline.h (overlap_subvar): Protect against
154 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
156 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
157 * configure: Regenerate.
159 2005-07-25 Ira Rosen <irar@il.ibm.com>
161 * expr.c (highest_pow2_factor): Make extern.
162 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
163 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
164 record_array_differ_p, array_ptr_differ_p): Likewise.
165 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
166 additional cases. Call the above functions.
167 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
168 base_object_differ_p when there are two base objects. Otherwise, compare
169 base address and offset. Call may_alias_p.
170 (dump_data_reference): Use a correct field name.
171 (analyze_array): Make static. Initialize new data-ref fields.
172 (analyze_indirect_ref): New function.
173 (init_data_ref): Initialize new data-ref fields.
174 (strip_conversion): Moved from tree-vect-analyze.c.
175 (analyze_offset_expr, get_ptr_offset, address_analysis,
176 object_analysis): Likewise.
177 (analyze_offset): New function.
178 (create_data_ref): Likewise.
179 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
180 dimensions for ARRAY_REFs only.
181 (build_classic_dist_vector): Make static.
182 (access_functions_are_affine_or_constant_p): Call macro to get the
183 address of access functions.
184 (compute_all_dependences): Add new parameter
185 compute_self_and_read_read_dependences. Compute self and read-read
186 dependences if it is true.
187 (find_data_references_in_loop): Call create_data_ref. Initialize new
189 (compute_data_dependences_for_loop): Add new parameter
190 compute_self_and_read_read_dependences. Remove parameter nb_loops,
191 compute nb_loops. Call compute_all_dependences,
192 build_classic_dist_vector and build_classic_dir_vector with correct
194 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
195 with correct parameters. Compare dimensions for ARRAY_REFs only.
196 (free_data_refs): Call macro to free access functions.
197 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
198 fields from stmt_vinfo.
199 (struct base_object_info): New structure.
200 (struct data_reference): Move fields to base_object_info. Add fields
201 first_location and object_info for above structures. Move fields from
202 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
203 aligned_to. Add macros to access the new fields.
204 Update functions declarations.
205 * tree-flow.h (is_aliased_with): Declare.
206 * tree-loop-linear.c (linear_transform_loops): Call
207 compute_data_dependences_for_loop with correct parameters.
208 * tree-ssa-alias.c (is_aliased_with): New function.
209 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
210 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
211 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
212 vect_base_addr_differ_p, compute_subscript_distance and
213 build_classic_dist_vector. Add printings. Check absolute value of
215 (vect_analyze_data_ref_dependences): Go through ddrs instead of
217 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
218 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
219 to bytes. Add printing.
220 (vect_compute_data_refs_alignment): Go through loads and stores in one
222 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
223 vect_analyze_data_ref_access): Likewise.
224 (vect_analyze_pointer_ref_access): Remove.
225 (vect_address_analysis, vect_object_analysis): Likewise.
226 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
227 and analyze data-refs in the loop.
228 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
229 fields of data-ref instead of stmt. Add init to the offset from the
231 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
232 (vect_update_init_of_dr): Likewise.
233 (vect_update_inits_of_drs): Go through loads and stores in one loop.
234 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
236 (new_loop_vec_info): Initialize new fields.
237 (destroy_loop_vec_info): Free new fields.
238 (vect_strip_conversion): Remove.
239 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
240 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
241 datarefs. Add new field ddrs.
242 Add macros for the new fields access.
243 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
244 base_aligned_p, misalignment, memtag, ptr_info and subvars.
246 * tree.h (highest_pow2_factor): Declare.
248 2005-07-25 Jakub Jelinek <jakub@redhat.com>
250 * calls.c (store_one_arg): Check for sibling call MEM arguments
251 from already clobbered incoming argument area.
253 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
255 * c-common.c (check_missing_format_attribute): New.
256 * c-common.h (check_missing_format_attribute): Likewise.
257 * c-typeck.c (convert_for_assignment): Use it.
259 2005-07-24 Andreas Schwab <schwab@suse.de>
261 * config/m68k/m68k.md ("extendqidi2"): When source is an address
262 register use a word move. Correct operand of ext.w in 68000 code.
264 2005-07-23 Mark Mitchell <mark@codesourcery.com>
266 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
267 variables as declarations, rather than definitions.
269 2005-07-24 Ira Rosen <irar@il.ibm.com>
271 PR tree-optimization/22526
272 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
275 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
277 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
278 that C99 reserve for future use. Use it to define clog10,
281 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
283 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
284 * configure.ac: Check for -Wmissing-format-attribute.
286 * configure: Regenerate.
288 2005-07-23 Richard Henderson <rth@redhat.com>
290 PR tree-optimization/22623
291 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
293 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
296 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
298 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
300 * Makefile.in (C_TREE_H): Update dependencies.
301 * c-tree.h: Include toplev.h.
302 * diagnostic.h (diagnostic_set_info): Add format attribute.
303 * rtl-error.c (diagnostic_for_asm): Likewise.
305 2005-07-23 Chao-ying Fu <fu@mips.com>
307 * config/mips/mips-dsp.md: New file.
308 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
309 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
311 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
312 MIPS_BUILTIN_BPOSGE32.
313 (mips_expand_builtin_direct): Add one parameter to indicate that
314 builtin functions need to return a value.
315 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
317 (mips_regno_to_class): Add classes for 12 new DSP registers.
318 (mips_subword): Change to check four HI registers.
319 (mips_output_move): Output move to and from 6 new DSP accumulators.
320 (override_options): Make sure -mdsp and -mips16 are not used together.
321 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
323 (mips_conditional_register_usage): Disable 6 new DSP accumulators
325 (print_operand): Add 'q' for printing DSP accumulators.
326 (mips_cannot_change_mode_class): Check ACC_REGS.
327 (mips_secondary_reload_class): Check ACC_REGS.
328 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
329 (mips_register_move_cost): Check ACC_REGS.
330 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
331 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
332 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
333 (dsp_bdesc): New array.
334 (bdesc_arrays): Add DSP builtin function table.
335 (mips_prepare_builtin_arg): Check predicate again after
337 (mips_expand_builtin): Add one more parameter to
338 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
339 MIPS_BUILTIN_BPOSGE32.
340 (mips_init_builtins): Initialize new function types.
341 (mips_expand_builtin_direct): Check if builtin functions need to
342 return a value and pass operands properly.
343 (mips_expand_builtin_bposge): New function.
344 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
345 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
346 (FIRST_PSEUDO_REGISTER): Increase to 188.
347 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
348 Update for 12 new DSP registers.
349 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
350 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
351 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
352 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
353 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
354 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
355 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
356 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
357 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
358 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
359 (REGISTER_NAMES): Add names for 12 new DSP registers.
360 * config/mips/mips.md: Include mips-dsp.md.
361 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
362 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
363 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
364 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
365 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
366 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
367 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
368 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
369 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
370 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
371 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
372 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
373 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
374 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
375 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
376 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
377 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
378 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
379 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
380 (UNSPEC_RDDSP): New constants.
381 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
382 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
384 * config/mips/mips.opt (-mdsp): New option.
385 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
386 (reg_imm10_operand): New predicates.
387 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
388 * doc/invoke.texi (-mdsp): Document new option.
390 2005-07-22 DJ Delorie <dj@redhat.com>
392 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
394 * tree-inline.c (inlinable_function_p): Likewise.
396 2005-07-22 Mark Mitchell <mark@codesourcery.com>
399 * toplev.c (check_global_declarations): Do not mark undefined
400 variables as DECL_IGNORED_P.
401 * varasm.c (first_global_object_name): GTY it.
402 (weak_global_object_name): Likewise.
403 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
404 a string to go into {weak,first}_global_object_name.
406 2005-07-22 DJ Delorie <dj@redhat.com>
408 * c-format.c (check_function_format): Change warning control
409 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
411 2005-07-22 Diego Novillo <dnovillo@redhat.com>
413 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
414 &PTR->FLD a dereference of PTR.
415 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
416 a potential dereference of PTR.
418 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
420 PR rtl-optimization/20370
421 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
422 call allocate_reg_info if necessary.
424 PR rtl-optimization/21848
425 * calls.c (emit_library_call_value_1): For const functions, add
426 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
428 PR rtl-optimization/22445
429 * cselib.c (target.h): Include.
430 (rtx_equal_for_cselib_p): Allow commutative matches.
431 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
432 Remove MODE parameter. Changed all callers.
434 PR rtl-optimization/22258
435 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
437 (try_combine): Use likely_spilled_retval_p.
439 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
441 * config.gcc: Add crx-elf support.
443 * doc/contrib.texi: Mention crx.
444 * doc/extend.texi: Document crx extensions.
445 * doc/install.texi: Document crx install.
446 * doc/invoke.texi: Document crx options.
447 * doc/md.texi: Document crx constraints.
449 * config/crx/crx-protos.h: New file.
450 * config/crx/crx.c: New file.
451 * config/crx/crx.h: New file.
452 * config/crx/crx.md: New file.
453 * config/crx/crx.opt: New file.
454 * config/crx/t-crx: New file.
456 2005-07-22 Manfred Hollstein <mh@suse.com>
458 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
460 (int_add_graph_edge): Likewise.
461 (collapse_nodes): Likewise.
462 (process_unification_queue): Likewise.
464 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
465 Laurent GUERBY <laurent@guerby.net>
467 PR tree-optimization/22336
468 * function.c (record_block_change): Check for
469 cfun->ib_boundaries_block.
471 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
473 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
474 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
476 2005-07-21 DJ Delorie <dj@redhat.com>
478 * toplev.c (warn_deprecated_use): Add warning control to warning
480 * c-typeck.c (parser_build_binary_op): Likewise.
481 (c_finish_if_stmt): Likewise.
482 * c-common.c (check_function_sentinel): Likewise.
483 (check_nonnull_arg): Likewise.
485 2005-07-21 Richard Henderson <rth@redhat.com>
488 * tree-complex.c (complex_ssa_name_components): New.
489 (cvc_lookup): Allow entry not found.
490 (create_components): Remove.
491 (create_one_component_var, get_component_var): New.
492 (get_component_ssa_name, set_component_ssa_name): New.
493 (extract_component): Use get_component_ssa_name.
494 (update_complex_components): Use set_component_ssa_name.
495 (update_complex_components_on_edge): Likewise.
496 (update_phi_components): Create new PHI nodes directly, instead
497 of adding insns to edges.
498 (tree_lower_complex): Allocate and free complex_variable_components
499 and complex_ssa_name_components here.
501 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
503 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
504 revert to returning false.
506 2005-07-21 Uros Bizjak <uros@kss-loka.si>
509 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
511 2005-07-21 Uros Bizjak <uros@kss-loka.si>
514 * config/i386/i386.md (cmpxf): Change operand constraints
515 to "nonmemory_operand".
517 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
519 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
521 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
524 * fold-const.c (fold_build1): Add checksum for the operands.
525 (fold_build2): Likewise.
526 (fold_build3): Likewise.
528 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
531 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
533 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
535 * common.opt (-fforward-propagate): Committed by mistake,
538 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
540 * reg-stack.c: Fix comment typo(s).
541 * tree-ssa-operands.c: Likewise.
542 * tree-vectorizer: Likewise.
544 2005-07-21 Nick Clifton <nickc@redhat.com>
546 * config/sh/symbian.c: Replace C++ style line comments with C
548 (symbian_add_attribute): Do not use a ? operator on the LHS of
550 (sh_symbian_handle_dll_attribute): Change the type of the
551 method vector to "VEC(tree,gc)*" and use vector accessor
552 macros to walk over the elements.
553 (symbian_export_vtable_and_rtti_p): Likewise.
554 (symbian_class_needs_attribute_p): Likewise.
556 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
559 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
560 initialize targetm.resolve_overloaded_builtin here.
561 (altivec_expand_overloaded_builtin): Make it non-static.
562 * config/rs6000/rs6000-protos.h
563 (altivec_expand_overloaded_builtin): New prototype.
564 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
565 targetm.resolve_overloaded_builtin here.
566 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
568 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
569 Zdenek Dvorak <dvorakz@suse.cz>
571 PR tree-optimization/19210
572 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
574 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
575 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
576 rely on unproven assumptions.
577 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
578 * tree-flow.h (number_of_iterations_exit): Add final parameter.
579 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
580 to number_of_iterations_exit.
581 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
582 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
583 * tree-ssa-loop-niter.c (find_loop_niter,
584 estimate_numbers_of_iterations_loop): Likewise.
585 (number_of_iterations_exit): Honor the new options.
586 * doc/invoke.texi (Wunsafe-loop-optimizations,
587 funsafe-loop-optimizations): Document them.
589 2005-07-21 Richard Sandiford <richard@codesourcery.com>
591 PR rtl-optimization/22167
592 * gcse.c (hoist_code): Fix hoist_exprs[] check.
594 2005-07-20 Adam Nemet <anemet@lnxw.com>
596 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
597 __do_global_dtors_aux longcall.
599 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
601 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
602 (old_special_pred_table): Don't reference
603 SPECIAL_MODE_PREDICATES.
604 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
605 * config/arc/arc.h: Don't mention PREDICATE_CODES.
606 * config/sh/predicates.h: Don't mention
607 SPECIAL_MODE_PREDICATES.
608 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
611 2005-07-20 DJ Delorie <dj@redhat.com>
613 * config.gcc: Add m32c-elf support.
615 * doc/contrib.texi: Mention m32c.
616 * doc/extend.texi: Document m32c extensions.
617 * doc/install.texi: Mention m32c.
618 * doc/invoke.texi: Document m32c options.
619 * doc/md.texi: Document m32c constraints.
621 * config/m32c/addsub.md: New file.
622 * config/m32c/bitops.md: New file.
623 * config/m32c/cond.md: New file.
624 * config/m32c/jump.md: New file.
625 * config/m32c/m32c-lib1.S: New file.
626 * config/m32c/m32c-lib2.c: New file.
627 * config/m32c/m32c-modes.def: New file.
628 * config/m32c/m32c-pragma.c: New file.
629 * config/m32c/m32c-protos.h: New file.
630 * config/m32c/m32c.abi: New file.
631 * config/m32c/m32c.c: New file.
632 * config/m32c/m32c.h: New file.
633 * config/m32c/m32c.md: New file.
634 * config/m32c/m32c.opt: New file.
635 * config/m32c/minmax.md: New file.
636 * config/m32c/mov.md: New file.
637 * config/m32c/muldiv.md: New file.
638 * config/m32c/predicates.md: New file.
639 * config/m32c/prologue.md: New file.
640 * config/m32c/shift.md: New file.
641 * config/m32c/t-m32c: New file.
643 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
645 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
646 (stack_protect_set, stack_protect_test): New expanders.
647 (stack_protect_set_si, stack_protect_set_si_media,
648 stack_protect_set_di_media, stack_protect_test_si,
649 stack_protect_test_si_media, stack_protect_test_di_media):
652 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
654 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
656 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
658 * tree.h (tree_expr_nonzero_p): Export.
659 * fold-const.c (tree_expr_nonzero_p): Likewise.
660 Return true for CALL_EXPRs that are alloca calls.
661 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
663 * tree-flow.h (expr_computes_nonzero): Remove.
664 * tree-vrp.c (expr_computes_nonzero): Remove.
665 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
666 (extract_range_from_unary_expr): Likewise.
667 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
670 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
672 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
673 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
674 extra arg "picreg" and use it instead of pic_offset_table_rtx.
676 (frame_related_constant_load): New arg "related" which controls
677 setting of RTX_FRAME_RELATED_P. All callers changed.
678 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
679 (bfin_expand_prologue): Add stack limit checking.
680 * config/bfin/bfin.md (trapifcc): New pattern.
682 * config/bfin/bfin.c: Include "langhooks.h".
683 (def_builtin): Go through lang_hooks to call builtin_function.
685 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
686 * config/bfin/predicates.md (symbol_ref_operand): New.
687 (call_insn_operand): Delete. All callers changed to use
688 register_no_elim_operand.
689 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
691 (function_arg): Use it to generate the call's operand 2.
692 (bfin_longcall_p): New function.
693 (bfin_expand_call): Extra arg "cookie". All callers and declaration
694 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
695 determine if the address needs to be in a REG.
696 (bfin_handle_longcall_attribute): New function.
697 (bfin_attribute_table): Add "longcall" and "shortcall".
698 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
699 (CUMULATIVE_ARGS): New member call_cookie.
700 (PREDICATE_CODES): Add symbol_ref_operand.
701 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
702 extra USE to the pattern.
703 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
704 New patterns, split off call_insn, sibcall_insn, call_value_insn and
705 sibcall_value_insn; now the new patterns handle direct calls and the
706 old ones indirect calls.
707 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
709 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
711 * doc/trouble.texi: Update section on handling of empty loops.
713 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
715 * config.gcc: Remove support for sparc-*-openbsd*,
716 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
718 * config.host: Remove support for i860-*-sysv4* as a host.
719 * config/i860/*, config/ip2k/*, config/ns32k/*,
720 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
721 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
722 mention obsolete ports.
724 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
726 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
728 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
729 of frame_pointer_rtx.
730 (sh_expand_epilogue): Likewise.
731 (sh_set_return_address): Likewise.
732 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
733 instead of FRAME_POINTER_REGNUM if needed. Add elimination
734 offsets from FRAME_POINTER_REGNUM.
735 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
736 (sh_register_names): Add initializer for sfp.
737 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
738 (VALID_REGISTER_P): Likewise.
739 (FIRST_PSEUDO_REGISTER): Update.
740 (DWARF_FRAME_REGISTERS): Define.
741 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
742 (HARD_FRAME_POINTER_REGNUM): Define.
743 (FRAME_POINTER_REGNUM): Redefine.
744 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
745 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
746 from FRAME_POINTER_REGNUM.
747 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
748 FRAME_POINTER_REGNUM.
749 (REG_CLASS_CONTENTS): Add sfp.
750 (REG_ALLOC_ORDER): Likewise.
751 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
752 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
753 of frame_pointer_rtx.
754 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
756 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
758 * fold-const.c (tree_expr_nonnegative_p): Only return true for
759 ABS_EXPR when flag_wrapv is false because of INT_MIN.
760 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
762 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
765 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
767 Make CONSTRUCTOR use VEC to store initializers.
768 * c-common.c (complete_array_type): Update to cope with VEC in
770 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
771 (pp_c_constructor_elts): New function.
772 * c-pretty-print.h (pp_c_constructor_elts): Declare.
773 * c-typeck.c (build_function_call, build_c_cast, digest_init,
774 struct constructor_stack, struct initializer_stack,
775 constructor_elements, push_init_level, pop_init_level,
776 add_pending_init, find_init_member, output_init_element): Update to
777 cope with VEC in CONSTRUCTOR_ELTS.
778 * coverage.c (build_fn_info_value, build_ctr_info_value,
779 build_gcov_info): Likewise.
780 * expr.c (categorize_ctor_elements_1, store_constructor,
781 expand_expr_real_1): Likewise.
782 * fold-const.c (fold_ternary): Likewise.
783 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
784 gimplify_init_constructor, gimplify_expr): Likewise.
785 * tree-dump.c (dequeue_and_dump): Likewise.
786 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
788 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
790 * tree-sra.c (generate_element_init_1): Likewise.
791 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
792 * tree-ssa-operands.c (get_expr_operands): Likewise.
793 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
794 * tree-vect-transform.c (vect_get_vec_def_for_operand):
795 (get_initial_def_for_reduction): Likewise.
796 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
797 value handle in annotations.
798 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
799 tree_node_structure): Add support for constr_kind.
800 (build_vector_from_ctor, build_constructor_single,
801 build_constructor_from_list): New functions.
802 (build_constructor): Update to take a VEC instead of a TREE_LIST.
803 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
804 Update to cope with VEC in CONSTRUCTOR_ELTS.
805 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
806 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
807 CONSTRUCTOR_APPEND_ELT): New macros.
808 (struct constructor_elt, struct tree_constructor): New data types.
809 (union tree_node): Add tree_constructor field.
810 * treestruct.def: Define TS_CONSTRUCTOR.
811 * varasm.c (const_hash_1, compare_constant, copy_constant,
812 compute_reloc_for_constant, output_addressed_constants,
813 initializer_constant_valid_p, output_constant,
814 array_size_for_constructor, output_constructor): Update to cope with
815 VEC in CONSTRUCTOR_ELTS.
816 * vec.h (VEC_empty, VEC_copy): New macros.
818 2005-07-19 Devang Patel <dpatel@apple.com>
820 * dbxout.c (dbxout_type): Check Objective-C++ lang.
822 2005-07-19 Richard Henderson <rth@redhat.com>
825 * gimplify.c (gimplify_expr): Use main variant type for the temp
826 destination for a discarded volatile read.
827 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
828 casts between non-void types that change volatility.
830 2005-07-15 DJ Delorie <dj@redhat.com>
832 * toplev.h: Add comment about the first parameter for warning().
833 * errors.h: Likewise.
835 * c.opt (Wpragmas): New.
836 * doc/invoke.texi: Document it.
838 * function.c (do_warn_unused_parameter): Add warning control to
840 * c-decl.c (warn_if_shadowing): Likewise.
841 * c-lex.c (cb_def_pragma): Likewise.
842 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
843 (pop_alignment): Likewise.
844 (handle_pragma_pack): Likewise.
845 (apply_pragma_weak): Likewise.
846 (handle_pragma_weak): Likewise.
847 (handle_pragma_redefine_extname): Likewise.
848 (add_to_renaming_pragma_list): Likewise.
849 (handle_pragma_extern_prefix): Likewise.
850 (maybe_apply_renaming_pragma): Likewise.
851 (handle_pragma_visibility): Likewise.
853 * config/c4x/c4x-c.c (BAD): Likewise.
854 (c4x_parse_pragma): Likewise.
855 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
856 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
857 (rs6000_pragma_longcall): Likewise.
858 * config/v850/v850-c.c (pop_data_area): Likewise.
859 (ghs_pragma_section): Likewise.
860 (ghs_pragma_section): Likewise.
861 (ghs_pragma_interrupt): Likewise.
862 (ghs_pragma_starttda): Likewise.
863 (ghs_pragma_startsda): Likewise.
864 (ghs_pragma_startzda): Likewise.
865 (ghs_pragma_endtda): Likewise.
866 (ghs_pragma_endsda): Likewise.
867 (ghs_pragma_endzda): Likewise.
869 2005-07-19 Danny Berlin <dberlin@dberlin.org>
870 Kenneth Zadeck <zadeck@naturalbridge.com>
872 * Makefile.in: Removed tree-promote-statics.c
873 * tree-promote-statics.c: Removed.
874 * common.opt: Removed flag-promote-statics.
876 * passes.c: Removed tree-promote-statics pass.
877 * tree-pass.h: Ditto.
878 * timevar.def: Removed TV_PROMOTE_STATICS.
881 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
883 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
885 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
887 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
890 * c-common.c (check_function_arguments): Call
891 'check_function_format' if either -Wformat or
892 -Wmissing-format-attribute are specified.
893 * c-format.c (check_function_format): Check -Wformat before
894 calling 'check_format_info'.
895 * c-opts.c (c_common_post_options): Don't warn for
896 -Wmissing-format-attribute without -Wformat.
897 * c-typeck.c (convert_for_assignment): Detect additional cases for
898 -Wmissing-format-attribute.
899 * doc/invoke.texi (-Wmissing-format-attribute): Document new
902 2005-07-19 Richard Guenther <rguenther@suse.de>
904 * config/i386/i386.md (lrint<mode>2): Use temporary
905 instead of clobbering non-existent memory.
907 2005-07-19 Nick Clifton <nickc@redhat.com>
909 * config/avr/avr.c (legitimate_address_p): Fix debugging print
910 statement to avoid displaying ASCII control characters.
912 2005-07-19 Ben Elliston <bje@au.ibm.com>
914 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
915 * cfganal.c (find_edge_index): Ditto.
916 * combine.c (combine_instructions): Ditto.
917 * ddg.c (create_scc): Ditto.
918 (find_successors): Ditto.
919 (find_predecessors): Ditto.
920 (find_nodes_on_paths): Ditto.
921 (longest_simple_path): Ditto.
922 * flow.c (update_life_info): Ditto.
923 (count_or_remove_death_notes): Ditto.
924 (clear_log_links): Ditto.
925 * modulo-sched.c (generate_reg_moves): Ditto.
926 (find_max_asap): Ditto.
927 (find_max_hv_min_mob): Ditto.
928 (find_max_dv_min_mob): Ditto.
929 * sbitmap.c (sbitmap_first_set_bit): Ditto.
930 * sched-rgn.c (extract_edgelst): Ditto.
931 * tree-into-ssa.c (prepare_names_to_update): Ditto.
932 (dump_update_ssa): Ditto.
933 (ssa_names_to_replace) Ditto.
934 (switch_virtuals_to_full_rewrite): Ditto.
936 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
938 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
940 Fix PR tree-optimization/22483
942 * tree-complex.c (create_components): Use
943 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
944 * tree-flow-inline.h (fill_referenced_var_vec): New function.
945 * tree-flow.h (safe_referenced_var_iterator): New structure.
946 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
947 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
948 safe_referenced_var iterator.
949 (add_type_alias): Ditto.
951 2005-07-19 Steven Bosscher <stevenb@suse.de>
953 * loop-init.c (rest_of_handle_loop2): Remove.
954 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
955 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
956 (pass_rtl_loop_init, pass_rtl_loop_done,
957 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
958 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
959 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
960 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
961 pass_tree_loop_done, and pass_tree_unswitch.
962 (gate_loop): Rename to gate_tree_loop.
963 * passes.c (init_optimization_passes): Update for renamed tree
964 loop passes. Add the new loop2 passes as subpasses of loop2.
965 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
966 Update for the renamed tree loop passes.
968 2005-07-18 Ian Lance Taylor <ian@airs.com>
971 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
972 blocks when optimizing.
974 2005-07-18 Steve Ellcey <sje@cup.hp.com>
976 * common.opt (frename-registers): Initialize to 2.
978 (fgcse-after-reload): Ditto.
979 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
980 (process_options): Only change flag_web, flag_rename_registers,
981 and flag_rerun_cse_after_loop if not explicitly set by user.
983 2005-07-18 Jan Beulich <jbeulich@novell.com>
985 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
986 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
987 in 64-bit mode the same as DImode in 32-bit mode.
988 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
989 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
990 mode. Add new mode parameter.
991 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
992 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
993 x86_64_shift_adj): New expanders.
994 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
995 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
997 Respective new splitters. Use renamed shift splitter helpers in 32-bit
998 DImode shift splitters.
999 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
1000 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
1003 2005-07-18 Jan Beulich <jbeulich@novell.com>
1005 * i386.md (movdi_extzv_1): New.
1006 (zero_extendhidi2): Combine alternatives and never force use of
1008 (zero_extendqidi2): Likewise. Don't restrict input selection.
1010 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
1012 Fix PR tree-optimization/22531
1013 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
1016 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
1018 * tree-promote-statics.c (pass_promote_statics): Change dump file
1021 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
1023 * tree-optimize.c (init_tree_optimization_passes): Add
1024 pass_eliminate_useless_stores pass.
1025 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
1026 * tree-ssa-pre.c (is_copy_stmt): New function.
1027 (follow_copies_till_vuse): Ditto.
1028 (do_eustores): Ditto.
1029 (gate_eustores): Ditto.
1031 2005-07-16 Richard Henderson <rth@redhat.com>
1033 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
1035 2005-07-16 Danny Berlin <dberlin@dberlin.org>
1036 Kenneth Zadeck <zadeck@naturalbridge.com>
1038 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
1039 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
1040 ipa-type-escape.h, tree-promote-statics.c
1041 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
1042 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
1043 tree-promote-statics.c: new files.
1044 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
1045 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
1046 int nonlocal_set_p, mark_constant_function): Deleted.
1047 (rest_of_handle_cfg): Removed call to mark_constant_function.
1048 (nonoverlapping_component_refs_p): Added calls to support
1049 type based aliasing.
1050 * tree-ssa-alias.c (may_alias_p,
1051 compute_flow_insensitive_aliasing): Ditto.
1052 * calls.c (flags_from_decl_or_type): Removed reference to
1054 * c-typeck.c (convert_arguments): Make builtins tolerant of having
1055 too many arguments. This is necessary for Spec 2000.
1056 * cgraph.h (const_function, pure_function): Removed.
1057 * common.opt: Added "fipa-pure-const", "fipa-reference",
1058 "fipa-type-escape", and "ftree-promote-static".
1060 * passes.c: Added ipa and tree-promote-statics passes.
1061 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
1062 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
1063 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
1064 * tree-flow.h: Added exposed sra calls and addition of
1065 reference_vars_info field for FUNCTION_DECLS.
1066 * tree-pass.h: Added passes.
1067 * tree-sra.c: (sra_init_cache): New function.
1068 (sra_insert_before, sra_insert_after) Made public.
1069 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
1071 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
1072 aliasing. (may_alias_p): Added code to use type escape analysis to
1074 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
1075 code to prune clobbers of static variables based on information
1076 produced in ipa-reference pass. Changed call clobbering so that
1077 statics are not marked as clobbered if the call does not clobber
1080 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
1082 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
1085 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1087 * doc/install.texi (*-*-solaris2*): Document recommended version
1088 of GNU binutils and mention GNU linker problem on Solaris 10.
1090 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
1093 * c-decl.c (c_build_bitfield_integer_type): New function.
1094 (finish_struct): Call it.
1095 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
1097 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1099 * c-typeck.c (digest_init): Call 'convert_for_assignment'
1102 2005-07-16 Jan Hubicka <jh@suse.cz>
1104 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
1105 (scale_bbs_frequencies_int): Watch roundoff errors.
1106 * predict.c (return_prediction): Initialize return_stmt.
1108 2005-07-16 Jan Hubicka <jh@suse.cz>
1110 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
1111 after RTL profiling.
1113 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
1116 * fold-const.c (build_range_check): Convert high/low to etype
1117 if we are only comparing against exp.
1119 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
1121 Fix PR tree-optimization/22376
1122 * tree-ssa-structalias.c (build_constraint_graph): We really meant
1124 (need_to_solve): New function.
1125 (compute_points_to_sets): Use it.
1127 2005-07-15 Jan Hubicka <jh@suse.cz>
1129 * cfg.c (update_bb_profile_for_threading): More diagnostic.
1130 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
1132 2005-07-15 Richard Guenther <rguenther@suse.de>
1134 * c-common.c (handle_flatten_attribute): New function.
1135 Add flatten function attribute.
1136 * doc/extend.texi: Document flatten function attribute.
1137 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
1138 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
1140 (cgraph_decide_inlining): Handle functions with flatten
1143 2005-07-14 David Edelsohn <edelsohn@gnu.org>
1145 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
1146 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
1147 UNSPEC_XCHG, UNSPEC_AND): New.
1148 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
1149 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
1150 * config/rs6000/sync.md (FETCHOP): New code macro.
1151 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
1153 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
1154 (sync_compare_and_swap<mode>): Same.
1155 (sync_lock_test_and_set<mode>): Same.
1156 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
1157 for QImode and HImode, and not PPC405.
1158 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
1159 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
1160 (sync_<fetchop>{si,di}_internal): New.
1161 (sync_nand{si,di}_internal): New.
1162 (sync_old_<fetchop>{si,di}_internal): New.
1163 (sync_old_nand{si,di}_internal): New
1164 (sync_new_<fetchop>{si,di}_internal): New.
1165 (sync_new_nand{si,di}_internal): New.
1166 (atomic_and{si,di}): New.
1167 (sync_new_nand{si,di}_internal): New.
1168 (atomic_and{si,di}): New.
1169 (sync_add<mode>_internal): Delete.
1170 (sync_addshort_internal): Use unspec instead of unspec_volatile.
1171 (sync_sub<mode>_internal): Delte.
1172 (sync_subshort_internal): New.
1173 (sync_andsi_internal): Use unspec instead of unspec_volatile.
1174 (sync_anddi_internal): Delete.
1175 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
1176 (sync_booldi_internal): Delete.
1177 (sync_boolc<mode>_internal): Delete.
1178 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
1179 (sync_boolc<mode>_internal2): Delete.
1180 (sync_boolcc<mode>_internal): Delete.
1181 (isync, lwsync): Use unspec instead of unspec_volatile.
1182 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
1183 Revert UNSPEC_VOLATILE.
1184 (rs6000_split_atomic_op): New.
1185 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
1187 2005-07-14 Eric Christopher <echristo@redhat.com>
1189 * config/mips/mips.c (mips_canonicalize_comparison): Cast
1190 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
1192 2005-07-14 Eric Christopher <echristo@redhat.com>
1194 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
1196 2005-07-14 Steven Bosscher <stevenb@suse.de>
1198 PR tree-optimization/22230
1199 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
1200 the computation of the four cross productions for "range op range".
1202 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
1203 Ulrich Weigand <uweigand@de.ibm.com>
1206 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
1209 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1211 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
1213 2005-07-14 Steve Ellcey <sje@cup.hp.com>
1215 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
1217 2005-07-14 Richard Guenther <rguenther@suse.de>
1220 * config/i386/i386-protos.h (ix86_function_value): Change
1221 prototype to match new target hook.
1222 * config/i386/i386.c (ix86_value_regno): Change prototype
1223 to take extra type argument.
1224 (TARGET_FUNCTION_VALUE): Define.
1225 (ix86_function_ok_for_sibcall): Pass extra argument to
1226 ix86_value_regno, check return slot rtx for exact match.
1227 (ix86_function_value): Take extra parameter. Dispatch to
1228 ix86_value_regno with fndecl/fntype as provided.
1229 (ix86_value_regno): Handle extra type argument.
1230 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
1232 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
1233 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
1234 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
1235 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
1236 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
1238 2005-07-14 Richard Guenther <rguenther@suse.de>
1240 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
1241 * calls.c (expand_call): Pass fntype to hard_function_value.
1242 (emit_library_call_value_1): Likewise.
1243 * explow.c: Include target.h.
1244 (hard_function_value): Take extra argument, the fntype.
1245 Use new target hook for function_value.
1246 * expr.h (hard_function_value): Change prototype.
1247 * function.c (aggregate_value_p): Pass 0 as fntype to
1248 hard_function_value.
1249 (assign_parms): Use new target hook for function_value.
1250 Pass 0 as fntype to hard_function_value.
1251 (expand_function_end): Likewise.
1252 * reg-stack.c: Include target.h.
1253 (stack_result): Use new target hook for function_value.
1254 * target-def.h: New target hook function_value.
1255 * target.h: Likewise.
1256 * targhooks.c (default_function_value): New function.
1257 * targhooks.h (default_function_value): Declare.
1259 2005-07-13 Ian Lance Taylor <ian@airs.com>
1261 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1263 2005-07-14 Jan Hubicka <jh@suse.cz>
1265 * tree-dfa.c (dump_variable): Use default_def function.
1266 * tree-ssa-alias.c (dump_points_to_info): Likewise.
1267 * tree-ssa.c (verify_use): Likewise.
1268 * tree-ssanames.c (release_ssa_name): Likewise.
1269 * tree-tailcall.c (eliminate_tail_call): Likewise.
1270 (tree_optimize_tail_calls_1): Likewise.
1271 * tree-vrp.c (get_value_range): Likewise.
1273 2005-07-14 Ben Elliston <bje@au.ibm.com>
1275 * gcc.c (main): Compare language[0] with '*' when iterating over
1278 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
1280 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
1281 "s390_emit_compare". Add handling of CCZ1mode.
1282 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
1283 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
1285 (s390_branch_condition_mask): Add CCZ1mode handling.
1286 * config/s390/s390.md: ("seq", "*seq"): New pattern.
1287 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
1288 Use CCZ1mode instead of CCZmode.
1289 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
1291 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
1293 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
1295 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
1297 2005-07-13 Eric Christopher <echristo@redhat.com>
1299 * config/mips/mips.c (mips_canonicalize_comparison): New.
1300 (mips_emit_int_relational): Use.
1302 2005-07-13 Eric Christopher <echristo@redhat.com>
1304 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
1306 * config/s390/s390.md: Include tpf.md. Move tpf specific
1308 * config/s390/tpf.md: To here.
1309 * config/s390/s390.opt: Move tpf specific options...
1310 * config/s390/tpf.opt: to here. Add mmain option.
1311 * config/s390/tpf-unwind.h: Remove unnecessary defines.
1312 * config/s390/tpf.h: Rewrite.
1314 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
1316 * doc/tm.texi: Remove @xref{Cross-profiling}.
1318 2005-07-13 Jeff Law <law@redhat.com>
1320 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
1321 expressions, test their _DECL operands for pointer equality rather
1322 than using operand_equal_p.
1324 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
1326 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
1327 (TARGET_POSIX_IO): This.
1328 * config/darwin.h: Likewise.
1329 * config/freebsd.h: Likewise.
1330 * config/linux.h: Likewise.
1331 * config/lynx.h: Likewise.
1332 * config/netbsd.h: Likewise.
1333 * config/rs6000/linux64.h: Likewise.
1334 * config/rs6000/linux.h: Likewise.
1335 * config/s390/tpf.h: Likewise.
1336 * config/sh/embed-elf.h: Likewise.
1337 * config/sparc/linux64.h: Likewise.
1338 * config/sparc/linux.h: Likewise.
1339 * config/svr4.h: Likewise.
1340 * gcov-io.h: Likewise.
1342 * doc/tm.texi: Updated.
1344 * libgcov.c (create_file_directory): Defined only if
1345 TARGET_POSIX_IO is defined.
1346 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
1349 2005-07-13 Jan Hubicka <jh@suse.cz>
1351 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
1353 2005-07-13 David Edelsohn <edelsohn@gnu.org>
1355 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
1356 structure as argument.
1358 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
1360 PR tree-optimization/21921
1361 * tree-iterator.c (tsi_link_before): Support the case when
1362 tsi_end_p (tsi) == true.
1364 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
1366 PR tree-optimization/22442
1367 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
1370 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
1372 PR rtl-optimization/20376
1373 * toplev.c (process_options): Enable -fweb and -frename-registers when
1375 * doc/invoke.texi: Update the information about when -fweb and
1376 -frename-registers are enabled.
1378 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
1381 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
1382 if *rhs_p is not a SSA_NAME.
1384 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
1386 Fix PR tree-optimization/22422
1387 * tree-ssa-structalias.c (struct variable_info): Add flag for
1389 (get_varinfo): Now a static function.
1390 (new_varinfo): init has_union and is_special_var to false.
1391 (solution_set_add): Check has_union.
1392 (do_da_constraint): Move temporary variable so it gets reset
1394 Also check for special variable.
1395 (do_ds_constraint): Ditto.
1396 (do_sd_constraint): Ditto.
1397 (do_structure_copy): Check for special variable.
1398 (find_func_aliases): Ditto.
1399 (init_base_vars): Set special vars properly.
1401 2005-07-13 Jan Hubicka <jh@suse.cz>
1403 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
1406 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
1407 (get_expr_operands): Fix thinko wrt flags and subvars.
1409 PR tree-optimize/22379
1410 * tree-inline.c (expand_call_inline): Do not output sorry in early
1413 2005-07-12 Dale Johannesen <dalej@apple.com>
1415 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
1417 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
1420 * host-linux.h: Include limits.h.
1422 2005-07-12 Dale Johannesen <dalej@apple.com>
1424 * expr.c (compress_float_constant): Add cost check.
1425 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
1427 2005-07-12 Dale Johannesen <dalej@apple.com>
1429 * gcc.target/i386/compress-float-sse.c: New.
1430 * gcc.target/i386/compress-float-sse-pic.c: New.
1431 * gcc.target/i386/compress-float-387.c: New.
1432 * gcc.target/i386/compress-float-387-pic.c: New.
1433 * gcc.dg/compress-float-ppc.c: New.
1434 * gcc.dg/compress-float-ppc-pic.c: New.
1436 2005-07-12 Eric Christopher <echristo@redhat.com>
1438 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
1440 * config/s390/s390.md: Include tpf.md. Move tpf specific
1442 * config/s390/tpf.md: To here.
1443 * config/s390/s390.opt: Move tpf specific options...
1444 * config/s390/tpf.opt: to here. Add mmain option.
1445 * config/s390/tpf-unwind.h: Remove unnecessary defines.
1446 * config/s390/tpf.h: Rewrite.
1448 2005-07-12 Eric Christopher <echristo@redhat.com>
1450 * gcc.c (struct infile): Update comment for language.
1451 (main): Rewrite input file resetting code.
1453 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
1456 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
1457 requiring a cast in a non RHS of modify_expr. Add a cast when required.
1458 (lookup_avail_expr): Use constant_boolean_node instead
1459 of boolean_false_node/boolean_true_node.
1461 2005-07-12 Ben Elliston <bje@au.ibm.com>
1463 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
1464 and use it when printing num_edges.
1466 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
1468 * doc/extend.texi (Blackfin Built-in Functions): New section.
1469 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
1472 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
1474 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
1475 s/cmpstrsi/cmpstrnsi
1476 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
1478 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
1479 (init_optabs): Initialize cmpstrn_optab.
1480 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
1481 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
1482 * expr.c: (enum insn_code cmpstrn_optab): Declare.
1483 * config/i386/i386.md: s/cmpstr/cmpstrn
1484 * config/c4x/c4x.md: s/cmpstr/cmpstrn
1485 * doc/md.texi: Update documentation.
1487 2005-07-11 Richard Henderson <rth@redhat.com>
1489 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
1490 build_va_arg_indirect_ref.
1491 (alpha_gimplify_va_arg): Likewise.
1492 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1493 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
1494 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
1495 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1496 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
1497 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
1499 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
1501 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
1503 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
1504 * passes.c (init_optimization_passes): Add pass_empty_loop.
1505 * tree-pass.h (pass_empty_loop): Declare.
1506 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
1507 try_remove_empty_loop, remove_empty_loops): New functions.
1508 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
1509 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
1511 2005-07-12 Peter Barada <peter@the-baradas.com>
1515 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
1516 in address registers.
1517 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
1518 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
1519 alternative of addsi3_5200.
1521 2005-07-11 Ian Lance Taylor <ian@airs.com>
1523 * config/mips/mips.md (ffs<mode>2): Remove.
1525 2005-07-11 Ian Lance Taylor <ian@airs.com>
1527 * doc/tree-ssa.texi (Cleanups): Improve description of
1529 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
1531 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
1533 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
1534 * tree.h (DECL_ARGUMENT_FLD): New macro.
1536 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
1538 Fix PR tree-optimization/22404
1540 * tree-ssa-structalias.c (create_variable_info_for): Use
1543 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
1545 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
1546 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
1547 for second comparison operand.
1548 * config/bfin/predicates.md (reg_or_const_int_operand): New.
1550 * config/bfin/bfin.md (define_attr "type"): Add "sync".
1551 (define_insn_reservation "alu"): Likewise.
1552 (csync, ssync): Now of type sync.
1553 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
1554 -mcsync-anomaly -mspecld-anomaly.
1555 * config/bfin/bfin.opt (mcsync): Remove.
1556 (mcsync-anomaly, mspecld-anomaly): Add.
1557 * config/bfin/bfin.c: Include "insn-codes.h".
1558 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
1559 (TARGET_DEFAULT_TARGET_FLAGS): New.
1560 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
1562 2005-07-11 Steven Bosscher <stevenb@suse.de>
1564 * basic-block.h: Give the BB flags enum a name, bb_flags.
1565 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
1566 * cfgcleanup.c (enum bb_flags): Remove here.
1567 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
1568 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
1569 (update_forwarder_flag): Likewise.
1570 (thread_jump): Likewise.
1571 (try_forward_edges): Likewise.
1572 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
1573 forwarder flags. Don't clear bb->aux for all basic blocks. Only
1574 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
1576 2005-07-11 Richard Guenther <rguenther@suse.de>
1578 * config/i386/i386.opt: New target option -msseregparm.
1579 * config/i386/i386.c (override_options): Error out for
1580 -msseregparm but no SSE support.
1581 (ix86_function_sseregparm): Check for global sseregparm.
1582 * doc/invoke.texi: Document -msseregparm.
1584 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1586 * config.gcc (m32r-*-linux*): Use the default extra_parts.
1587 (m32rle-*-linux*): Ditto.
1589 2005-07-11 Jakub Jelinek <jakub@redhat.com>
1591 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
1592 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
1595 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1599 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
1600 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
1602 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
1604 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
1605 (varmap): Heapify varmap.
1606 (constraints): Heapify constraints.
1607 (struct constraint_graph): Heapify succs and preds.
1608 (constraint_vec_find): Update for heapification.
1609 (constraint_set_union): Ditto.
1610 (insert_into_complex): Ditto.
1611 (constraint_edge_vec_find): Ditto.
1612 (erase_graph_self_edge): Ditto.
1613 (add_graph_edge): Ditto.
1614 (get_graph_weights): Ditto.
1615 (merge_graph_nodes): Ditto.
1616 (build_constraint_graph): Ditto.
1617 (topo_visit): Ditto.
1618 (solve_graph): Ditto.
1619 (create_variable_info_for): Ditto.
1620 (init_base_vars): Ditto.
1621 (delete_points_to_sets): Free graph, varmap, and complex constraints.
1622 (condese_varmap_nodes): Free complex vector.
1623 (clear_edges_for_node): Clear succs and preds vector.
1625 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
1627 * tree-ssa-structalias.c (update_alias_info): Change counting of
1628 references to not include vdefs.
1630 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
1632 * tree-ssa-alias.c (free_used_part_map): Add missing free.
1635 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1637 * pa.c (pa_commutative_p): Make PLUS commutative when
1638 TARGET_NO_SPACE_REGS is true.
1640 2005-07-09 Diego Novillo <dnovillo@redhat.com>
1642 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
1643 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
1644 * tree-dfa.c (dump_subvars_for): New.
1645 (debug_subvars_for): New.
1646 (dump_variable): Show subvariables if VAR has them.
1647 * tree-flow-inline.h (get_subvar_at): New.
1648 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
1649 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
1651 (struct subvar): Change fields offset and size to unsigned
1653 (dump_subvars_for): Declare.
1654 (debug_subvars_for): Declare.
1655 (get_subvar_at): Declare.
1656 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
1657 to unsigned HOST_WIDE_INT *.
1658 (overlap_subvar): Likewise.
1659 * tree-gimple.c (is_gimple_reg): Always return false for
1660 SFTs and memory tags.
1661 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
1663 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
1664 (compute_may_aliases): Call compute_points_to_sets.
1665 (collect_points_to_info_for): Remove.
1666 (compute_points_to_and_addr_escape): Remove.
1667 (delete_alias_info): Call delete_points_to_sets.
1668 (compute_flow_sensitive_aliasing): If the call to
1669 find_what_p_points_to returns false, call set_pt_anything.
1670 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
1671 (set_pt_anything): Clear pi->pt_vars.
1672 (set_pt_malloc): Remove.
1673 (merge_pointed_to_info): Remove.
1674 (add_pointed_to_expr): Remove.
1675 (add_pointed_to_var): Remove.
1676 (collect_points_to_info_r): Remove.
1677 (is_escape_site): Make extern.
1679 (create_overlap_variables_for): Call it.
1680 * tree-ssa-copy.c (merge_alias_info): Never merge
1681 flow-sensitive alias information.
1682 * tree-ssa-operands.c (get_expr_operands): Adjust variables
1683 offset and size to be unsigned HOST_WIDE_INT.
1684 (add_to_addressable_set): Rename from note_addressable.
1685 Set TREE_ADDRESSABLE as the variables are added to the set.
1687 (add_stmt_operand): Do not try to micro-optimize unmodifiable
1688 operands into VUSEs when adding V_MAY_DEFs for members in an
1690 * tree-ssa-operands.h (add_to_addressable_set): Declare.
1691 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
1692 (struct variable_info): Add bitfield is_heap_var.
1693 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
1694 (new_var_info): Initialize is_heap_var.
1695 (get_constraint_for): Add HEAP variables to the symbol table.
1696 Mark them with is_heap_var.
1697 (update_alias_info): New. Taken mostly from the old
1698 compute_points_to_and_addr_escape.
1699 (handle_ptr_arith): New.
1700 (find_func_aliases): Call update_alias_info.
1701 Call handle_ptr_info for tcc_binary expressions.
1702 Call mark_stmt_modified.
1703 (create_variable_info_for): If DECL has subvars, do not create
1704 variables for its subvars. Always add all the fields.
1705 (set_uids_in_ptset): If the solution includes ANYOFFSET and
1706 SFTs, then add all the SFTs of the structure.
1707 If VI->DECL is an aggregate with subvariables, add the SFT at
1709 (find_what_p_points_to): If VI is an artificial variable,
1710 translate to bitfields in SSA_NAME_PTR_INFO.
1711 If the solution is empty, set pi->pt_vars to NULL
1712 (init_base_vars): Create ANYOFFSET.
1713 (compute_points_to_sets): Rename from create_alias_vars.
1715 (pass_build_pta): Remove.
1716 (delete_points_to_sets): Rename from delete_alias_vars.
1717 (pass_del_pta): Remove.
1718 * tree-ssa-structalias.h (struct alias_info): Move from
1720 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
1721 NUM_REFERENCES_SET): Likewise.
1722 (compute_points_to_sets, delete_points_to_sets): Declare.
1724 2005-07-09 Richard Henderson <rth@redhat.com>
1726 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
1727 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
1728 alpha_split_lock_test_and_set_12): New functions.
1729 * config/alpha/alpha-protos.h: Update.
1730 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
1731 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
1732 * config/alpha/sync.md (I12MODE): New.
1733 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
1734 (sync_<fetchop_name><I48MODE>): Likewise.
1735 (sync_nand<I48MODE>): Likewise.
1736 (sync_old_<fetchop_name><I48MODE>): Likewise.
1737 (sync_new_<fetchop_name><I48MODE>): Likewise.
1738 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
1739 (sync_compare_and_swap<I48MODE>): Likewise.
1740 (sync_lock_test_and_set<I48MODE>): Likewise.
1741 (sync_compare_and_swap<I12MODE>): New.
1742 (sync_compare_and_swap<I12MODE>_1): New.
1743 (sync_lock_test_and_set<I12MODE>): New.
1744 (sync_lock_test_and_set<I12MODE>_1): New.
1746 2005-07-09 Diego Novillo <dnovillo@redhat.com>
1750 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
1752 2005-07-09 Jakub Jelinek <jakub@redhat.com>
1754 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
1755 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
1757 2005-07-09 Richard SAndiford <richard@codesourcery.com>
1760 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
1762 2005-07-08 David Edelsohn <edelsohn@gnu.org>
1764 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
1765 memory_operand constraint.
1766 (store_conditional_<mode>): Same.
1767 (sync_compare_and_swap<mode>): Same.
1768 (sync_lock_test_and_set<mode>): Same.
1770 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
1772 Rewrite PIC support to more closely model actual instructions.
1773 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
1774 (cris_symbol): Remove prototypes for removed functions.
1775 (cris_pic_symbol_type_of, cris_valid_pic_const)
1776 (cris_expand_pic_call_address): Prototypes for new functions.
1777 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
1779 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
1781 <case ':'>: Add case for new punctuation character.
1782 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
1783 emitting (extra) PIC modifier.
1784 <case UNSPEC>: Do not assert for PLT.
1785 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
1786 (cris_expand_prologue, cris_expand_epilogue): Check
1787 for pic_offset_table_rtx usage instead of taking
1788 current_function_uses_pic_offset_table as the final word.
1789 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
1790 Remove flag_pic difference.
1791 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
1792 the moral equivalents of...
1793 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
1795 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
1796 (cris_handle_option): Mark ARG as unused.
1797 (cris_expand_pic_call_address): New worker function for "call",
1799 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
1800 output PIC constructs here.
1801 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
1802 as symbol-specific modifers, not whole or part of operands.
1803 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
1804 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
1805 constants and flag_pic.
1806 (CONSTANT_INDEX_P): Adjust for new functions.
1807 (enum cris_pic_symbol_type): New helper type.
1808 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
1809 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
1810 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
1812 ("movsi"): Emit actual instructions for GOT and relative access.
1813 ("*movsi_got_load"): New pattern to set up the register holding
1815 ("*movsi_internal"): Operand 1 is not a plain general_operand.
1816 Adjust FIXME for 'S'.
1817 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
1818 Use "movs" for -fpic cases.
1819 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
1820 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
1821 ("call", "call_value"): Just call cris_expand_pic_call_address for
1823 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
1824 Remove special pattern.
1825 ("*expanded_call_side", "*expanded_call_value_side"): New
1827 (gotplt-to-plt, gotplt-to-plt-side-call)
1828 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
1830 * config/cris/cris/predicates.md
1831 ("cris_general_operand_or_gotless_symbol"): Remove unused
1833 ("cris_general_operand_or_symbol"): Adjust for new functions.
1835 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
1837 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
1839 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
1841 * Makefile.in (TREE_H): Add treestruct.def.
1842 (c-decl.o): Add pointer-set.h
1843 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
1844 visibility on regular DECL's.
1845 (merge_decls): Fix the copying of decl nodes of various types for
1846 the new structures. Don't update RTL, section name, weak status,
1847 etc, on DECL's without RTL.
1848 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
1849 Don't check volatile on non-variable types.
1850 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
1851 to check whether we have seen arguments.
1852 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
1853 flag is checked before field (flag is common, field is not).
1854 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
1855 TS_DECL_COMMON could have an origin.
1856 (add_location_or_const_value_attribute): Don't check section name
1857 on non-var/function decls.
1858 (dwarf2out_var_location): Reverse order of tests.
1859 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
1860 with DECL_WRTL_CHECK.
1861 * expmed.c (make_tree): rtl is now in decl_with_rtl.
1862 * fold-const.c (fold_binary): Don't check weakness on
1863 non-var/function decls.
1864 (tree_expr_nonzero_p): Ditto.
1865 (fold_checksum_tree): Use tree_decl_extra as sizeof
1867 * ggc-page.c (extra_order_size_table): Add sizes for
1868 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
1870 * gimplify.c (gimplify_bind_expr): Only set
1871 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
1872 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
1874 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
1875 * langhooks.h (init_ts). New langhook.
1876 * passes.c (rest_of_decl_compilation): Reverse order of tests.
1877 * print-tree.c (print_node): Update to only print fields that
1878 exist in the structures the passed decl has.
1879 * toplev.c (wrapup_global_declarations): Don't reset
1880 DECL_DEFER_OUTPUT on DECL's that don't contain it.
1881 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
1882 * tree-inline.c (remap_decl): Ditto.
1883 * tree-outof-ssa.c (create_temp): Reverse order of tests.
1884 * tree-pretty-print.c (print_declaration): Don't print
1885 DECL_REGISTER on things that don't contain it.
1886 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
1887 non-var/function decls.
1888 * tree.c (tree_contains_struct): New structure.
1889 (init_priority_for_decl): New hashtable.
1890 (tree_int_map): New structure.
1891 (tree_int_map_eq): New function.
1892 (tree_int_map_marked_p): Ditto.
1893 (tree_int_map_hash): Ditto.
1894 (tree_map): Move to tree.h.
1895 (tree_map_eq): Externalize.
1896 (tree_map_hash): Ditto.
1897 (tree_map_marked_p): Ditto.
1898 (init_ttree): Set up tree_contains_struct and call langhook.
1899 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
1900 (tree_code_size): Update for new structures.
1901 (tree_node_structure): Update for new structures.
1902 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
1904 (copy_node_stat): Copy init priority.
1905 (build_decl_stat): Ditto for visibility.
1906 (ts_enum_names): New.
1907 (tree_contains_struct_check_failed): New function.
1908 (decl_init_priority_lookup): Ditto.
1909 (decl_init_priority_insert): Ditto.
1910 * treestruct.def: New file.
1911 * tree.h (CODE_CONTAINS_STRUCT): New macro.
1912 (CONTAINS_STRUCT_CHECK): Ditto.
1913 (tree_contains_struct_check_failed): New prototype.
1914 (DECL_CHECK): Removed.
1915 (DECL_MINIMAL_CHECK): New.
1916 (DECL_COMMON_CHECK): Ditto.
1917 (DECL_WRTL_CHECK): Ditto.
1918 (DECL_NON_COMMON_CHECK): Ditto.
1919 (DECL_WITH_VIS_CHECK): Ditto.
1920 (VAR_OR_FUNCTION_DECL_P): Ditto
1921 (struct tree_decl_minimal): New structure.
1922 (struct tree_decl_common): Ditto.
1923 (struct tree_decl_with_rtl): Ditto.
1924 (struct tree_decl_with_vis): Ditto.
1925 (struct tree_decl_non_common): Ditto.
1926 (struct tree_field_decl): Ditto.
1927 (struct tree_parm_decl): Ditto.
1928 (struct tree_var_decl): Ditto.
1929 (struct tree_function_decl): Ditto.
1930 (struct tree_const_decl): Ditto.
1931 (struct tree_result_decl): Ditto.
1932 (union tree_node): Add new structures.
1933 * var-tracking.c (track_expr_p): Reverse order of tests.
1935 * doc/c-tree.texi: Add documentation on DECL node internal structure.
1937 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
1939 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
1940 * system.h: Poison FINALIZE_PIC.
1941 * doc/tm.texi (FINALIZE_PIC): Remove.
1943 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
1946 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
1947 to the correct type if we have a MODIFY_EXPR.
1949 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
1951 PR tree-optimization/22360
1952 * tree.c (upper_bound_in_type): Fix calculations for casting
1953 to a non-wider signed type and casting a signed value to a
1954 wider unsigned type.
1955 (lower_bound_in_type): Fix calculations for casting to a
1956 non-wider signed type.
1958 PR tree-optimization/20139
1959 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
1961 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
1962 fold_cond_expr_cond.
1963 * tree-ssanames.c (release_defs): Assert in_ssa_p.
1964 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
1966 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
1969 * tree-complex.c (expand_complex_libcall): Produce
1970 REALPART_EXPR/IMAGPART_EXPR with the correct type.
1972 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
1974 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
1975 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
1976 b" assert and inserted fastpath code for this case.
1977 (bitmap_ior): Removed "a != b" assert.
1979 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1981 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
1982 (ENDFILE_SPEC): Likewise.
1983 * config/m32r/m32r.h (ASM_SPEC): Likewise.
1985 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
1986 a large stack frame at epilogue.
1988 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
1990 * final.c: Include sdbout.h when required.
1992 2005-07-07 Geoffrey Keating <geoffk@apple.com>
1994 * config.gcc (*-*-darwin*): Only one target-specific header file
1996 (powerpc-*-darwin*): Add version-specific header files.
1997 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
1998 * config.in: Regenerate.
1999 * configure: Regenerate.
2000 * gcc.c: Include xregex.h.
2001 (version_compare_spec_function): New.
2002 (spec_function): Add version-compare.
2003 (replace_outfile_spec_function): Reformat comment.
2004 (compare_version_strings): New.
2005 * config/darwin-c.c (version_as_macro): New.
2006 (builtin_define): New.
2007 (darwin_cpp_builtins): New.
2008 * config/darwin-protos.h (darwin_cpp_builtins): New.
2009 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
2010 (LIB_SPEC): Make unconditional, update comment.
2011 (TARGET_C99_FUNCTIONS): Define.
2012 * config/darwin.opt: Sort.
2013 (mmacosx-version-min=): New.
2014 * config/darwin7.h: Delete.
2015 * config/darwin8.h: Delete.
2016 * config/i386/darwin.h (): Call darwin_cpp_builtins.
2017 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
2018 (TARGET_C99_FUNCTIONS): Define.
2019 * config/rs6000/darwin7.h: New.
2020 * config/rs6000/darwin8.h: New.
2021 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
2022 (-mmacosx-version-min): Document.
2024 2005-07-07 Ian Lance Taylor <ian@airs.com>
2026 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
2028 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
2031 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
2033 2005-07-07 Khem Raj <kraj@mvista.com>
2035 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
2036 in bytes, not words.
2038 2005-07-07 Paul Brook <paul@codesourcery.com>
2040 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
2041 DEFAULT_FUNCTION_ARG_PADDING to upward.
2043 2005-07-07 Richard Henderson <rth@redhat.com>
2045 * function.c (locate_and_pad_parm): Record parameter alignment in
2046 stack_alignment_needed.
2048 2005-07-07 David Edelsohn <edelsohn@gnu.org>
2050 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
2051 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
2052 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
2053 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
2054 (define_attr "type"): Add isync, sync, load_l, store_c.
2055 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
2056 Create scratch volatile MEM.
2057 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
2059 (load_locked_<mode>): New.
2060 (store_conditional_<mode>): New.
2061 (sync_compare_and_swap<mode>): Replace with splitter.
2062 (sync_lock_test_and_set<mode>): Replace with splitter.
2063 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
2065 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
2066 is ics. Attribute isync.
2067 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
2069 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
2070 and UNSPECV_SYNC_OP.
2071 (emit_unlikely_jump): New.
2072 (emit_load_locked): New.
2073 (emit_store_conditional): New.
2074 (rs6000_split_compare_and_swap): New.
2075 (rs6000_split_lock_test_and_set): New.
2076 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
2077 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
2078 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
2079 rs6000_split_lock_test_and_set): Declare.
2080 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
2081 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
2082 store_c, isync, sync.
2084 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
2086 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
2087 filenames to gtyp-gen.h.
2088 (s-typ-gen): Use it in place of for loops.
2090 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
2092 * hooks.c (hook_bool_rtx_int_false): New function.
2093 * hooks.h (hook_bool_rtx_int_false): Declare.
2094 * target-def.h (TARGET_COMMUTATIVE_P): Define.
2095 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
2096 * target.h (struct gcc_target): Add commutative_p member.
2097 * targhooks.c (hook_bool_rtx_commutative_p): New function.
2098 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
2099 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
2100 (pa_commutative_p): New function.
2101 * jump.c (target.h): Include.
2102 (rtx_renumbered_equal_p): Use targetm.commutative_p.
2103 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
2105 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
2107 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
2108 (s390_expand_setmem): New.
2109 * config/s390/s390.c: Likewise.
2110 (print_shift_count_operand): Truncate to 12 bits instead of 6.
2112 * config/s390/s390.md: ("setmem<mode>"): Accept character as
2113 general_operand. Call new function "s390_expand_setmem".
2114 ("clrmem_long", "*clrmem_long"): Rewrite to ...
2115 ("setmem_long", "*setmem_long"): ... this.
2117 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
2119 * config/s390/s390.c: (optimization_options): Enable
2120 TARGET_MVCLE at -Os.
2121 * doc/invoke.texi: Document changes in default behaviour.
2122 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
2124 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
2126 * expr.c: (set_storage_via_setmem): Convert opchar to mode
2127 defined by back-end.
2129 2005-07-07 Jakub Jelinek <jakub@redhat.com>
2131 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
2132 all sets in the pattern.
2133 * config/rs6000/rs6000.md (stack_protect_testsi,
2134 stack_protect_testdi): Likewise.
2136 2005-07-06 Jeff Law <law@redhat.com>
2138 * tree-vrp.c (simplify_using_ranges): Kill.
2139 (vrp_finalize): Remove call to simplify_using_ranges.
2140 (simplify_stmt_using_ranges): New function extracted from
2141 simplify_using_ranges.
2142 (simplify_div_or_mod_using_ranges): Likewise.
2143 (simplify_abs_using_ranges): Likewise.
2144 (simplify_cond_using_ranges): New function.
2145 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
2146 * tree-ssa-propagate.c (substitute_and_fold): Call
2147 simplify_stmt_using_ranges if we have range information.
2149 2005-07-06 James E. Wilson <wilson@specifixinc.com>
2151 * config/ia64/ia64.c (ia64_reorg): Check optimize before
2152 ia64_flag_schedule_isns2.
2154 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
2155 reading/writing general registers.
2156 (ia64_function_arg): Revert 2005-06-18 change.
2158 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
2160 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
2161 (legitimize_tls_address): Use gcc_unreachable instead of abort.
2163 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
2165 * function.c (expand_function_end): Revert part of 2005-06-27
2166 patch. Do sjlj_emit_function_exit_after after return_label.
2168 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
2170 * doc/install.texi (--disable-libssp): New.
2172 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
2174 * doc/invoke.texi: Update -fforce-mem documentation.
2175 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
2176 code for -fforce-mem.
2177 * expmed.c: (store_bit_field,store_fixed_bit_field,
2178 extract_bit_field): Ditto.
2179 * expr.c: (convert_move): Ditto.
2180 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
2181 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
2182 emit_conditional_add,expand_float,expand_fix): Ditto.
2183 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
2184 (common_handle_option): Issue warning when -fforce-mem specified.
2186 2005-07-06 Paul Brook <paul@codesourcery.com>
2188 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
2190 * configure: Regenerate.
2192 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
2194 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
2196 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
2198 Fix PR tree-optimization/22319
2199 Fix PR tree-optimization/22140
2200 Fix PR tree-optimization/22310
2202 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
2203 variable sized types.
2204 Use correct type for intermediate structure on *a = *b structure
2207 2005-07-06 Jakub Jelinek <jakub@redhat.com>
2209 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
2211 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
2212 (machine_function): Move typedef to...
2213 * config/rs6000/rs6000.c (machine_function): ... here. Add
2214 varargs_save_offset field.
2215 (rs6000_stack_t): Remove varargs_size field.
2216 (setup_incoming_varargs): Allocate varargs save area using
2217 assign_stack_local, try to make it as small as possible.
2218 Save offset from virtual_stack_vars_rtx to the save area
2219 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
2220 instead of magic 8 when fp word byte size is used.
2221 (rs6000_va_start): Use cfun->machine->varargs_save_offset
2222 instead of -RS6000_VARARGS_SIZE.
2223 (rs6000_stack_info, debug_stack_info,
2224 rs6000_initial_elimination_offset): Remove all traces of
2226 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
2227 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
2228 RS6000_VARARGS_AREA.
2230 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2232 PR tree-optimization/21963
2233 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
2234 constant_multiple_of in the same way get_computation_cost_at does.
2236 2005-07-06 Jakub Jelinek <jakub@redhat.com>
2238 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
2239 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
2240 (gen_compare_reg): If sparc_compare_emitted is set, clear it
2241 and return its previous value.
2242 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
2243 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
2245 (stack_protect_set, stack_protect_test): New expanders.
2246 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
2247 stack_protect_testdi): New insns.
2248 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2249 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
2251 2005-07-06 Jeff Law <law@redhat.com>
2253 * tree-ssa-dce.c (cfg_altered): New global.
2254 (tree_dce_init): Initialize cfg_altered.
2255 (remove_dead_stmt): If we remove an edge in the CFG, then set
2257 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
2260 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
2262 * Makefile.in (stamp-collect-ld): Use
2263 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
2264 ./collect-ld if it already exists.
2265 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
2266 Don't remove ./nm if it already exists.
2268 2005-07-05 Devang Patel <dpatel@apple.com>
2270 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
2271 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
2272 * tree-vectorizer.c (vect_loop_location): New.
2273 (vect_print_dump_info): Use vect_loop_location.
2274 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
2275 (vectorize_loops): Set vect_loop_location.
2276 * tree-vect-analyze.c (vect_analyze_offset_expr,
2277 vect_determin_vectorization_factor, vect_analyze_operations,
2278 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
2279 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
2280 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
2281 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
2282 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
2283 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
2284 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
2285 vect_analyze_loop): Adjust vect_print_dump_info API.
2286 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2287 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
2288 vect_finish_stmt_generation, vectorizable_assignment,
2289 vectorizable_operation, vectorizable_store, vectorizable_load,
2290 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
2291 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2292 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
2293 vect_transform_loop): Same.
2294 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
2295 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
2298 2005-07-05 Randolph Chung <tausq@debian.org>
2300 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
2301 * configure: Regenerate.
2302 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
2303 (pa_tls_referenced_p): Declare.
2304 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
2305 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
2306 (legitimize_tls_address): New.
2307 (hppa_legitimize_address): Handle TLS addresses.
2308 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
2309 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
2310 (emit_move_sequence): Handle TLS addresses.
2311 (pa_encode_section_info): Call default handler to handle common
2313 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
2314 (CONSTANT_ADDRESS_P): Reject TLS operands.
2315 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
2316 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
2317 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
2318 (UNSPEC_TLSLE): Define new constants.
2319 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
2320 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
2321 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
2322 (tie_symbolic_operand, tle_symbolic_operand): New
2324 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
2326 * aclocal.m4: Update macros for autoconf 2.59 style.
2327 * configure.ac: Likewise.
2329 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2331 * pa.c (function_value): Handle small aggregates on 32-bit targets.
2332 (function_arg): Pass small aggregates in general registers on 32-bit
2334 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
2336 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
2338 * Makefile.in (final.o): Fix dependencies.
2340 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
2344 * langhooks.h (struct lang_hooks): Add expr_to_decl.
2345 * langhooks.c (lhd_expr_to_decl): New.
2346 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
2348 (LANG_HOOKS_INITIALIZER): Update.
2349 * tree.c (recompute_tree_invarant_for_addr_expr): Call
2350 expr_to_decl langhook.
2351 * c-tree.h (c_expr_to_decl): Declare.
2352 * c-typeck.c (c_expr_to_decl): New.
2353 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
2355 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
2357 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
2360 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
2361 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
2363 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
2365 * Makefile.in: Adjust dependencies.
2366 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
2367 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
2368 * alias.c (rest_of_handle_cfg, pass_cfg): New.
2369 * bb-reorder.c (duplicate_computed_gotos): Make it static.
2370 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
2371 rest_of_compilation.
2373 * bb-reorder.c (gate_duplicate_computed_gotos,
2374 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
2375 rest_of_handle_reorder_blocks, pass_reorder_blocks,
2376 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
2377 pass_partition_blocks): New.
2378 * bt-load.c (gate_handle_branch_target_load_optimize,
2379 rest_of_handle_branch_target_load_optimize,
2380 pass_branch_target_load_optimize): New.
2381 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
2383 * cfglayout.c (pass_insn_locators_initialize): New.
2384 * cfgrtl.c (pass_free_cfg): New.
2385 * combine.c (gate_handle_combine, rest_of_handle_combine,
2387 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
2388 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
2389 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
2390 * except.c (pass_set_nothrow_function_flags,
2391 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
2393 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
2394 rest_of_handle_shorten_branches, pass_shorten_branches,
2395 rest_of_clean_state, pass_clean_state): New.
2396 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
2397 rest_of_handle_remove_death_notes, pass_remove_death_notes,
2398 rest_of_handle_life, pass_life, rest_of_handle_flow2,
2400 * function.c (pass_instantiate_virtual_regs, pass_init_function,
2401 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
2402 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2403 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
2405 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
2406 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
2407 pass_rtl_ifcvt, gate_handle_if_after_combine,
2408 rest_of_handle_if_after_combine, pass_if_after_combine,
2409 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
2410 pass_if_after_reload): New.
2411 * integrate.c (pass_initial_value_sets): New.
2412 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
2413 pass_purge_lineno_notes): New.
2414 * mode-switching.c (rest_of_handle_mode_switching,
2415 pass_mode_switching): New.
2416 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
2417 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
2419 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
2420 pass_loop_optimize): New.
2421 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
2423 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
2425 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
2426 pass_postreload_cse): New.
2427 * profile.c (gate_handle_profiling, pass_profiling,
2428 rest_of_handle_branch_prob, pass_branch_prob): New.
2429 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
2430 pass_split_before_regstack, gate_handle_split_before_regstack,
2431 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
2432 rest_of_handle_split_all_insns, pass_split_all_insns): New.
2433 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
2434 pass_stack_regs): New.
2435 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
2436 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
2437 pass_stack_adjustments): New.
2438 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
2439 pass_regrename): New.
2440 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
2441 pass_delay_slots, gate_handle_machine_reorg,
2442 rest_of_handle_machine_reorg, pass_machine_reorg): New.
2443 * rtl.h (extern void purge_line_number_notes): New.
2444 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
2445 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
2447 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
2449 * value-prof.c (gate_handle_value_profile_transformations,
2450 rest_of_handle_value_profile_transformations,
2451 pass_value_profile_transformations): New.
2452 * var-tracking.c (gate_handle_var_tracking,
2453 pass_variable_tracking): New.
2454 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
2456 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
2457 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
2458 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
2459 rest_of_handle_old_regalloc, rest_of_handle_regrename,
2460 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
2461 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
2462 rest_of_handle_gcse2, rest_of_handle_regmove,
2463 rest_of_handle_tracer, rest_of_handle_if_conversion,
2464 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
2465 rest_of_handle_web, rest_of_handle_branch_prob,
2466 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
2467 rest_of_handle_jump_bypass, rest_of_handle_combine,
2468 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
2469 rest_of_handle_gcse, rest_of_handle_loop_optimize,
2470 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
2471 rest_of_handle_mode_switching, rest_of_handle_jump,
2472 rest_of_handle_eh, rest_of_handle_stack_adjustments,
2473 rest_of_handle_flow2, rest_of_handle_jump2,
2474 rest_of_handle_peephole2, rest_of_handle_postreload,
2475 rest_of_handle_shorten_branches, rest_of_clean_state,
2476 rest_of_compilation): Remove.
2478 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
2479 * passes.c (dump_flags, in_gimple_form, all_passes,
2480 all_ipa_passes, all_lowering_passes, register_one_dump_file,
2481 register_dump_files, next_pass_1, last_verified, execute_todo,
2482 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
2483 from tree-optimize.c.
2484 (init_optimization_passes): Moved from tree-optimize.c,
2485 adding the RTL optimizations.
2486 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
2487 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
2488 all_ipa_passes, all_lowering_passes, register_one_dump_file,
2489 register_dump_files, next_pass_1, last_verified, execute_todo,
2490 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
2491 init_tree_optimization_passes, ipa_passes): Delete.
2492 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
2494 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
2495 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
2497 (ipa_passes): Remove.
2498 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
2499 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
2500 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
2501 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
2502 (dump_info_p, dump_flag): Moved to tree-dump.h.
2504 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
2506 * passes.c (finish_optimization_passes): Use dump_begin
2507 and dump_end, TDI_end.
2508 (gate_rest_of_compilation): New.
2509 (pass_rest_of_compilation): Use it.
2510 (gate_postreload, pass_postreload): New.
2511 * toplev.c (general_init): Rename init_tree_optimization_passes.
2512 * toplev.h (init_tree_optimization_passes): Rename to
2513 init_optimizations_passes.
2514 * tree-dump.c (dump_flag): Make static.
2515 (dump_files): Remove RTL dumps.
2516 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
2517 pass_cleanup_cfg, pass_free_cfg_annotations,
2518 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
2519 pass_init_datastructures, pass_fixup_cfg): Make non-static.
2520 * tree-pretty-print.c: Include tree-pass.h.
2521 * cgraph.c: Include tree-dump.h.
2523 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
2525 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
2526 Only fall back to saying it points to readonly memory if
2529 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2531 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
2532 * config/m32r/m32r.c (m32r_compute_frame_size,
2533 m32r_expand_prologue): Take current_function_profile into
2534 account whenever we reference
2535 current_function_uses_pic_offset_table.
2536 (m32r_finalize_pic): Remove.
2537 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
2539 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
2541 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
2542 instead of $<. Don't remove ./as if it already exists.
2544 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2547 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
2548 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
2549 for complex modes when generating code for PA 1.0.
2550 (VALID_FP_MODE_P): New macro.
2551 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
2552 sets for all general and floating point modes. Align wide floating
2553 point modes to even register boundaries to comply with architectural
2555 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
2556 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
2557 (VALID_FP_MODE_P): New macro.
2558 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
2559 sets for all general and floating point modes. Align wide floating
2560 point modes to even register boundaries to comply with architectural
2563 2005-07-04 Diego Novillo <dnovillo@redhat.com>
2565 * tree-dump.c (dump_files): Initialize dump number for .cgraph
2568 2005-07-04 Diego Novillo <dnovillo@redhat.com>
2570 * tree-ssa-structalias.c: Don't include expr.h.
2572 2005-07-04 Diego Novillo <dnovillo@redhat.com>
2574 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
2577 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
2579 Fix PR tree-optimization/22279
2581 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
2584 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
2586 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
2588 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
2590 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
2591 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
2592 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
2593 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
2594 config/stormy16/stormy16.c, config/v850/v850.c,
2595 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
2596 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
2597 Avoid "." or "\n" at end of diagnostics and capital letters at
2598 start of diagnostics.
2599 * combine.c, cse.c: Don't translate dump file output.
2600 * toplev.c (print_version): Only translate output if going to
2603 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
2605 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
2606 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
2609 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2611 * pa.c (fix_range): Fix typo in comment.
2613 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
2615 * tree-vrp.c (extract_range_from_assert): Replace
2616 fold (build (...)) with fold_build2.
2618 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2620 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
2621 gcc_gfc_char_table, init_dynamic_gfc_info): New.
2622 (format_types_orig, handle_format_attribute): Add support for
2625 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
2627 * varasm.c (assemble_variable): Fix format specifier thinko.
2629 2005-07-03 Ira Rosen <irar@il.ibm.com>
2631 PR tree-optimization/22029 (and 22135)
2632 * tree-pretty-print.c (dump_generic_node): Check that the node is not
2633 a phi node before calling dump_vops.
2635 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
2637 * tree-dump.h (dump_string_field): Declare.
2638 * tree-dump.c: Use it instead of dump_string.
2639 (dump_string_field): Make non-static.
2641 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
2643 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
2644 up the minimal CFG stuff always when optimize > 0. Call
2645 split_all_insns_noflow in PIC case if needed.
2647 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
2648 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
2651 * c-decl.c (c_write_global_declarations): Dump contents of
2653 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
2654 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
2655 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
2656 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
2659 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
2661 * c-common.h (GCC_DIAG_STYLE): Define.
2662 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
2663 version for format checking to 4.1.
2664 * c-format.c: Include toplev.h after c-common.h.
2665 (enum format_type): Add gcc_tdiag_format_type.
2666 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
2667 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
2668 (format_types_orig): Add gcc_tdiag.
2669 (init_dynamic_diag_info): Support gcc_tdiag formats.
2670 (handle_format_attribute): Likewise.
2671 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
2672 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
2673 version for format checking to 4.1.
2674 (warning0, warning, error, pedwarn, sorry): Use
2676 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
2677 (finish_aliases_1): Do not use %qE.
2678 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
2679 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
2680 Correct format bugs.
2681 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
2682 parameter to unsigned HOST_WIDE_INT.
2683 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
2685 2005-07-02 David Edelsohn <edelsohn@gnu.org>
2688 * expr.c (write_complex_part): Use adjust_address for MEM.
2689 (read_complex_part): Same.
2691 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
2693 Fix PR tree-optimization/22280
2695 * tree-sra.c (generate_element_init): Remove useless loop.
2697 2005-07-02 Richard Henderson <rth@redhat.com>
2699 * config/alpha/alpha.c (alpha_legitimize_address): Check for
2701 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
2703 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
2706 * fold-const.c (fold_binary): Handle the return value of
2707 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
2708 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
2710 2005-07-02 Jeff Law <law@redhat.com>
2712 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
2713 a eliminate type conversion which feeds an equality comparison
2714 if the original type or either operand in the comparison is a
2717 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
2719 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
2720 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
2722 * config/avr/avr.c: Do not use '`' as left quote.
2723 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
2724 Remove "." from end of diagnostics. Make diagnostics start with
2727 2005-07-02 Zack Weinberg <zack@codesourcery.com>
2728 Joseph S. Myers <joseph@codesourcery.com>
2730 * toplev.c (default_tree_printer): Handle setting location with
2732 * c-objc.common.c (c_tree_printer): Likewise.
2733 * c-format.c (gcc_diag_flag_specs): Add '+'.
2734 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
2735 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
2737 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
2738 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
2739 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
2740 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
2741 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
2742 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
2743 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
2744 format arguments where %J is used without %D.
2746 2005-07-02 Jakub Jelinek <jakub@redhat.com>
2748 * gcc.c (LINK_SSP_SPEC): Define.
2749 (link_ssp_spec): New variable.
2750 (LINK_COMMAND_SPEC): Add %(link_ssp).
2751 (static_specs): Add link_ssp_spec.
2752 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
2753 * configure: Rebuilt.
2754 * config.in: Rebuilt.
2756 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2757 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2758 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2759 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2760 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
2761 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
2762 -0x7008(2) instead of reading __stack_chk_guard variable.
2763 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
2765 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
2766 (stack_protect_set, stack_protect_test): Use *_tls* patterns
2767 if TARGET_THREAD_SSP_OFFSET is defined.
2768 (stack_tls_protect_set_si, stack_tls_protect_set_di,
2769 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
2772 2005-06-27 Richard Henderson <rth@redhat.com>
2773 * libgcc-std.ver (GCC_4.1.0): New.
2774 * libgcc.h (__stack_chk_guard): Declare.
2775 (__stack_chk_fail, __stack_chk_fail_local): Declare.
2776 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
2777 * mklibgcc.in (lib2funcs): Add them.
2779 2005-07-01 Richard Henderson <rth@redhat.com>
2781 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
2782 void * before struct sigcontext *.
2783 (x86_fallback_frame_state): Likewise.
2785 2005-07-01 James E. Wilson <wilson@specifixinc.com>
2787 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
2789 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
2792 * tree-ssa-reassoc.c (should_transpose): Fix which operand
2793 we check for SSA_NAME for.
2795 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
2797 Fix PR tree-optimization/22071
2799 * tree-ssa-structalias.c (offset_overlaps_with_access): New
2801 (get_constraint_for_component_ref): Use it.
2803 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
2806 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
2807 print out the last new line.
2809 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
2811 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
2812 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
2813 * config/cris/cris.c (cris_conditional_register_usage): Adjust
2814 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
2815 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
2816 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
2817 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
2818 (enum reg_class): New member CC0_REGS.
2819 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
2820 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
2821 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
2822 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
2823 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2824 Adjust for register now described.
2826 2005-07-01 Jakub Jelinek <jakub@redhat.com>
2829 * config/i386/i386.md (stack_protect_test_si,
2830 stack_protect_test_di): Add earlyclobber for scratch 3.
2831 * config/rs6000/rs6000.md (stack_protect_testsi,
2832 stack_protect_testdi): Add earlyclobber for scratch 3,
2833 remove earlyclobber from scratch 4.
2835 Older entries for 2005 can be found in ChangeLog-2005.
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