1 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3 PR tree-optimization/22325
4 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
6 * tree-scalar-evolution.c (scev_const_prop): Add generic final
8 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9 (force_var_cost): ... this function.
10 (compute_phi_arg_on_exit): Export.
12 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
14 PR tree-optimization/20773
15 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
18 2005-07-27 Richard Guenther <rguenther@suse.de>
20 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
21 Avoid pushing again if current struct contains only
24 2005-07-27 Jan Hubicka <jh@suse.cz>
26 PR tree-optimization/22574
27 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
30 * tree-tailcall.c (decrease_profile): New function.
31 (eliminate_tail_call): Use it.
33 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
34 visibility flags correctly in whole program mode.
36 2005-07-26 Steve Ellcey <sje@cup.hp.com>
38 PR rtl-optimization/22472
39 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
41 2005-07-26 Steven Bosscher <stevenb@suse.de>
43 PR tree-optimization/22504
44 * tree-complex.c (expand_complex_addition): Use 'code' instead
45 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
47 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
49 * config.gcc (cpu_type): Add frv case.
50 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
51 (supported_defaults): Add fr550 case.
53 2005-07-26 Diego Novillo <dnovillo@redhat.com>
56 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
57 whether a pointer of type T * may point to objects of type T *.
59 2005-07-26 DJ Delorie <dj@redhat.com>
61 * configure: Regenerate.
63 2005-07-26 Dale Johannesen <dalej@apple.com>
65 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
67 2005-07-26 Mark Mitchell <mark@codesourcery.com>
69 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
70 Clarify use of "build" in name.
72 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
74 * doc/extend.texi (Raw read/write Functions): New section.
75 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
76 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
77 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
78 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
79 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
80 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
81 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
82 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
83 * config/frv/frv.c: Add bdesc_loads global.
84 Add bdesc_stores global.
85 (frv_init_builtins): Add support for __builtin_{read/write}*.
86 (frv_volatile_memref): New.
87 (frv_expand_load_builtin): New.
88 (frv_expand_store_builtin): New.
89 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
90 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
91 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
92 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
93 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
94 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
95 (builtin_read_<mode>): New.
96 (builtin_write_<mode>): New.
97 (builtin_write64): New.
98 (optional_membar_<mode>): New.
100 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
102 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
103 (rather than units) against HOST_BITS_PER_WIDE_INT.
105 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
107 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
108 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
109 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
110 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
113 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
114 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
115 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
117 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
119 2005-07-26 Richard Guenther <rguenther@suse.de>
121 PR tree-optimization/22486
122 * fold-const.c (fold_unary): Fold away useless component
123 references of the form (T *)&T.x, if the address
126 2005-07-25 James E Wilson <wilson@specifixinc.com>
128 * dwarf2out.c (add_call_src_coords_attributes): New.
129 (gen_inlined_subroutine_die): Call it.
130 (maybe_emit_file, init_file_table): Add comments.
131 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
133 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
134 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
135 * tree.h (BLOCK_SOURCE_LOCATION): New.
136 (struct tree_block): New field locus.
138 2005-07-26 Andreas Schwab <schwab@suse.de>
140 PR rtl-optimization/23043
141 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
142 when allocating a struct unoccr.
144 2005-07-25 Richard Henderson <rth@redhat.com>
147 * tree-complex.c (gate_no_optimization): True if errors.
148 * Makefile.in (tree-complex.o): Update dependencies.
150 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
152 * config/frv/predicates.md (integer_register_operand): Use
155 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
158 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
160 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
162 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
164 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
165 types when flag_unsafe_math_optimizations is true.
167 2005-07-25 Mark Mitchell <mark@codesourcery.com>
169 * gcc.c (option_map): Add --sysroot.
170 (process_command): Handle --sysroot.
171 (display_help): Document it.
172 * doc/cppopts.tex (-isysroot): Document.
173 * doc/invoke.texi (--sysroot): Document.
174 * doc/install.texi (--with-build-sysroot): Document.
176 * Makefile.in (inhibit_libc): New variable.
177 (INHIBIT_LIBC_CFLAGS): Likewise.
178 (LIBGCC2_CFLAGS): Include
179 $(INHIBIT_LIBC_CFLAGS).
180 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
181 ($(T)crtbegin.o): Do not use @inhibit_libc@.
182 ($(T)crtend.o): Likewise.
183 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
184 ($(T)crtendS.o): Likewise.
185 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
186 ($(T)crtendT.o): Likewise.
187 (stmp-fixinc): Do not complain about missing headers if
189 * configure.ac (inhibit_libc): Set it to true/false.
190 (--with-build-sysroot): New option. Use it to set
192 * configure: Regenerated.
194 2005-07-25 Manfred Hollstein <mh@suse.com>
196 * calls.c (store_one_arg): Fix unsigned comparison warning.
198 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
201 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
202 (ggc_print_statistics): Initialize variable before use.
204 2005-07-25 Richard Guenther <rguenther@suse.de>
206 * tree-dfa.c (mark_new_vars_to_rename): Protect against
207 calling with a PHI_NODE argument.
209 * tree-flow-inline.h (overlap_subvar): Protect against
212 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
214 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
215 * configure: Regenerate.
217 2005-07-25 Ira Rosen <irar@il.ibm.com>
219 * expr.c (highest_pow2_factor): Make extern.
220 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
221 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
222 record_array_differ_p, array_ptr_differ_p): Likewise.
223 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
224 additional cases. Call the above functions.
225 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
226 base_object_differ_p when there are two base objects. Otherwise, compare
227 base address and offset. Call may_alias_p.
228 (dump_data_reference): Use a correct field name.
229 (analyze_array): Make static. Initialize new data-ref fields.
230 (analyze_indirect_ref): New function.
231 (init_data_ref): Initialize new data-ref fields.
232 (strip_conversion): Moved from tree-vect-analyze.c.
233 (analyze_offset_expr, get_ptr_offset, address_analysis,
234 object_analysis): Likewise.
235 (analyze_offset): New function.
236 (create_data_ref): Likewise.
237 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
238 dimensions for ARRAY_REFs only.
239 (build_classic_dist_vector): Make static.
240 (access_functions_are_affine_or_constant_p): Call macro to get the
241 address of access functions.
242 (compute_all_dependences): Add new parameter
243 compute_self_and_read_read_dependences. Compute self and read-read
244 dependences if it is true.
245 (find_data_references_in_loop): Call create_data_ref. Initialize new
247 (compute_data_dependences_for_loop): Add new parameter
248 compute_self_and_read_read_dependences. Remove parameter nb_loops,
249 compute nb_loops. Call compute_all_dependences,
250 build_classic_dist_vector and build_classic_dir_vector with correct
252 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
253 with correct parameters. Compare dimensions for ARRAY_REFs only.
254 (free_data_refs): Call macro to free access functions.
255 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
256 fields from stmt_vinfo.
257 (struct base_object_info): New structure.
258 (struct data_reference): Move fields to base_object_info. Add fields
259 first_location and object_info for above structures. Move fields from
260 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
261 aligned_to. Add macros to access the new fields.
262 Update functions declarations.
263 * tree-flow.h (is_aliased_with): Declare.
264 * tree-loop-linear.c (linear_transform_loops): Call
265 compute_data_dependences_for_loop with correct parameters.
266 * tree-ssa-alias.c (is_aliased_with): New function.
267 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
268 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
269 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
270 vect_base_addr_differ_p, compute_subscript_distance and
271 build_classic_dist_vector. Add printings. Check absolute value of
273 (vect_analyze_data_ref_dependences): Go through ddrs instead of
275 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
276 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
277 to bytes. Add printing.
278 (vect_compute_data_refs_alignment): Go through loads and stores in one
280 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
281 vect_analyze_data_ref_access): Likewise.
282 (vect_analyze_pointer_ref_access): Remove.
283 (vect_address_analysis, vect_object_analysis): Likewise.
284 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
285 and analyze data-refs in the loop.
286 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
287 fields of data-ref instead of stmt. Add init to the offset from the
289 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
290 (vect_update_init_of_dr): Likewise.
291 (vect_update_inits_of_drs): Go through loads and stores in one loop.
292 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
294 (new_loop_vec_info): Initialize new fields.
295 (destroy_loop_vec_info): Free new fields.
296 (vect_strip_conversion): Remove.
297 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
298 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
299 datarefs. Add new field ddrs.
300 Add macros for the new fields access.
301 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
302 base_aligned_p, misalignment, memtag, ptr_info and subvars.
304 * tree.h (highest_pow2_factor): Declare.
306 2005-07-25 Jakub Jelinek <jakub@redhat.com>
308 * calls.c (store_one_arg): Check for sibling call MEM arguments
309 from already clobbered incoming argument area.
311 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
313 * c-common.c (check_missing_format_attribute): New.
314 * c-common.h (check_missing_format_attribute): Likewise.
315 * c-typeck.c (convert_for_assignment): Use it.
317 2005-07-24 Andreas Schwab <schwab@suse.de>
319 * config/m68k/m68k.md ("extendqidi2"): When source is an address
320 register use a word move. Correct operand of ext.w in 68000 code.
322 2005-07-23 Mark Mitchell <mark@codesourcery.com>
324 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
325 variables as declarations, rather than definitions.
327 2005-07-24 Ira Rosen <irar@il.ibm.com>
329 PR tree-optimization/22526
330 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
333 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
335 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
336 that C99 reserve for future use. Use it to define clog10,
339 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
341 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
342 * configure.ac: Check for -Wmissing-format-attribute.
344 * configure: Regenerate.
346 2005-07-23 Richard Henderson <rth@redhat.com>
348 PR tree-optimization/22623
349 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
351 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
354 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
356 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
358 * Makefile.in (C_TREE_H): Update dependencies.
359 * c-tree.h: Include toplev.h.
360 * diagnostic.h (diagnostic_set_info): Add format attribute.
361 * rtl-error.c (diagnostic_for_asm): Likewise.
363 2005-07-23 Chao-ying Fu <fu@mips.com>
365 * config/mips/mips-dsp.md: New file.
366 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
367 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
369 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
370 MIPS_BUILTIN_BPOSGE32.
371 (mips_expand_builtin_direct): Add one parameter to indicate that
372 builtin functions need to return a value.
373 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
375 (mips_regno_to_class): Add classes for 12 new DSP registers.
376 (mips_subword): Change to check four HI registers.
377 (mips_output_move): Output move to and from 6 new DSP accumulators.
378 (override_options): Make sure -mdsp and -mips16 are not used together.
379 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
381 (mips_conditional_register_usage): Disable 6 new DSP accumulators
383 (print_operand): Add 'q' for printing DSP accumulators.
384 (mips_cannot_change_mode_class): Check ACC_REGS.
385 (mips_secondary_reload_class): Check ACC_REGS.
386 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
387 (mips_register_move_cost): Check ACC_REGS.
388 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
389 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
390 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
391 (dsp_bdesc): New array.
392 (bdesc_arrays): Add DSP builtin function table.
393 (mips_prepare_builtin_arg): Check predicate again after
395 (mips_expand_builtin): Add one more parameter to
396 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
397 MIPS_BUILTIN_BPOSGE32.
398 (mips_init_builtins): Initialize new function types.
399 (mips_expand_builtin_direct): Check if builtin functions need to
400 return a value and pass operands properly.
401 (mips_expand_builtin_bposge): New function.
402 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
403 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
404 (FIRST_PSEUDO_REGISTER): Increase to 188.
405 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
406 Update for 12 new DSP registers.
407 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
408 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
409 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
410 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
411 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
412 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
413 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
414 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
415 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
416 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
417 (REGISTER_NAMES): Add names for 12 new DSP registers.
418 * config/mips/mips.md: Include mips-dsp.md.
419 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
420 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
421 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
422 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
423 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
424 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
425 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
426 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
427 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
428 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
429 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
430 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
431 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
432 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
433 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
434 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
435 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
436 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
437 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
438 (UNSPEC_RDDSP): New constants.
439 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
440 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
442 * config/mips/mips.opt (-mdsp): New option.
443 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
444 (reg_imm10_operand): New predicates.
445 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
446 * doc/invoke.texi (-mdsp): Document new option.
448 2005-07-22 DJ Delorie <dj@redhat.com>
450 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
452 * tree-inline.c (inlinable_function_p): Likewise.
454 2005-07-22 Mark Mitchell <mark@codesourcery.com>
457 * toplev.c (check_global_declarations): Do not mark undefined
458 variables as DECL_IGNORED_P.
459 * varasm.c (first_global_object_name): GTY it.
460 (weak_global_object_name): Likewise.
461 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
462 a string to go into {weak,first}_global_object_name.
464 2005-07-22 DJ Delorie <dj@redhat.com>
466 * c-format.c (check_function_format): Change warning control
467 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
469 2005-07-22 Diego Novillo <dnovillo@redhat.com>
471 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
472 &PTR->FLD a dereference of PTR.
473 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
474 a potential dereference of PTR.
476 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
478 PR rtl-optimization/20370
479 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
480 call allocate_reg_info if necessary.
482 PR rtl-optimization/21848
483 * calls.c (emit_library_call_value_1): For const functions, add
484 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
486 PR rtl-optimization/22445
487 * cselib.c (target.h): Include.
488 (rtx_equal_for_cselib_p): Allow commutative matches.
489 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
490 Remove MODE parameter. Changed all callers.
492 PR rtl-optimization/22258
493 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
495 (try_combine): Use likely_spilled_retval_p.
497 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
499 * config.gcc: Add crx-elf support.
501 * doc/contrib.texi: Mention crx.
502 * doc/extend.texi: Document crx extensions.
503 * doc/install.texi: Document crx install.
504 * doc/invoke.texi: Document crx options.
505 * doc/md.texi: Document crx constraints.
507 * config/crx/crx-protos.h: New file.
508 * config/crx/crx.c: New file.
509 * config/crx/crx.h: New file.
510 * config/crx/crx.md: New file.
511 * config/crx/crx.opt: New file.
512 * config/crx/t-crx: New file.
514 2005-07-22 Manfred Hollstein <mh@suse.com>
516 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
518 (int_add_graph_edge): Likewise.
519 (collapse_nodes): Likewise.
520 (process_unification_queue): Likewise.
522 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
523 Laurent GUERBY <laurent@guerby.net>
525 PR tree-optimization/22336
526 * function.c (record_block_change): Check for
527 cfun->ib_boundaries_block.
529 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
531 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
532 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
534 2005-07-21 DJ Delorie <dj@redhat.com>
536 * toplev.c (warn_deprecated_use): Add warning control to warning
538 * c-typeck.c (parser_build_binary_op): Likewise.
539 (c_finish_if_stmt): Likewise.
540 * c-common.c (check_function_sentinel): Likewise.
541 (check_nonnull_arg): Likewise.
543 2005-07-21 Richard Henderson <rth@redhat.com>
546 * tree-complex.c (complex_ssa_name_components): New.
547 (cvc_lookup): Allow entry not found.
548 (create_components): Remove.
549 (create_one_component_var, get_component_var): New.
550 (get_component_ssa_name, set_component_ssa_name): New.
551 (extract_component): Use get_component_ssa_name.
552 (update_complex_components): Use set_component_ssa_name.
553 (update_complex_components_on_edge): Likewise.
554 (update_phi_components): Create new PHI nodes directly, instead
555 of adding insns to edges.
556 (tree_lower_complex): Allocate and free complex_variable_components
557 and complex_ssa_name_components here.
559 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
561 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
562 revert to returning false.
564 2005-07-21 Uros Bizjak <uros@kss-loka.si>
567 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
569 2005-07-21 Uros Bizjak <uros@kss-loka.si>
572 * config/i386/i386.md (cmpxf): Change operand constraints
573 to "nonmemory_operand".
575 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
577 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
579 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
582 * fold-const.c (fold_build1): Add checksum for the operands.
583 (fold_build2): Likewise.
584 (fold_build3): Likewise.
586 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
589 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
591 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
593 * common.opt (-fforward-propagate): Committed by mistake,
596 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
598 * reg-stack.c: Fix comment typo(s).
599 * tree-ssa-operands.c: Likewise.
600 * tree-vectorizer: Likewise.
602 2005-07-21 Nick Clifton <nickc@redhat.com>
604 * config/sh/symbian.c: Replace C++ style line comments with C
606 (symbian_add_attribute): Do not use a ? operator on the LHS of
608 (sh_symbian_handle_dll_attribute): Change the type of the
609 method vector to "VEC(tree,gc)*" and use vector accessor
610 macros to walk over the elements.
611 (symbian_export_vtable_and_rtti_p): Likewise.
612 (symbian_class_needs_attribute_p): Likewise.
614 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
617 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
618 initialize targetm.resolve_overloaded_builtin here.
619 (altivec_expand_overloaded_builtin): Make it non-static.
620 * config/rs6000/rs6000-protos.h
621 (altivec_expand_overloaded_builtin): New prototype.
622 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
623 targetm.resolve_overloaded_builtin here.
624 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
626 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
627 Zdenek Dvorak <dvorakz@suse.cz>
629 PR tree-optimization/19210
630 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
632 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
633 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
634 rely on unproven assumptions.
635 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
636 * tree-flow.h (number_of_iterations_exit): Add final parameter.
637 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
638 to number_of_iterations_exit.
639 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
640 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
641 * tree-ssa-loop-niter.c (find_loop_niter,
642 estimate_numbers_of_iterations_loop): Likewise.
643 (number_of_iterations_exit): Honor the new options.
644 * doc/invoke.texi (Wunsafe-loop-optimizations,
645 funsafe-loop-optimizations): Document them.
647 2005-07-21 Richard Sandiford <richard@codesourcery.com>
649 PR rtl-optimization/22167
650 * gcse.c (hoist_code): Fix hoist_exprs[] check.
652 2005-07-20 Adam Nemet <anemet@lnxw.com>
654 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
655 __do_global_dtors_aux longcall.
657 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
659 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
660 (old_special_pred_table): Don't reference
661 SPECIAL_MODE_PREDICATES.
662 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
663 * config/arc/arc.h: Don't mention PREDICATE_CODES.
664 * config/sh/predicates.h: Don't mention
665 SPECIAL_MODE_PREDICATES.
666 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
669 2005-07-20 DJ Delorie <dj@redhat.com>
671 * config.gcc: Add m32c-elf support.
673 * doc/contrib.texi: Mention m32c.
674 * doc/extend.texi: Document m32c extensions.
675 * doc/install.texi: Mention m32c.
676 * doc/invoke.texi: Document m32c options.
677 * doc/md.texi: Document m32c constraints.
679 * config/m32c/addsub.md: New file.
680 * config/m32c/bitops.md: New file.
681 * config/m32c/cond.md: New file.
682 * config/m32c/jump.md: New file.
683 * config/m32c/m32c-lib1.S: New file.
684 * config/m32c/m32c-lib2.c: New file.
685 * config/m32c/m32c-modes.def: New file.
686 * config/m32c/m32c-pragma.c: New file.
687 * config/m32c/m32c-protos.h: New file.
688 * config/m32c/m32c.abi: New file.
689 * config/m32c/m32c.c: New file.
690 * config/m32c/m32c.h: New file.
691 * config/m32c/m32c.md: New file.
692 * config/m32c/m32c.opt: New file.
693 * config/m32c/minmax.md: New file.
694 * config/m32c/mov.md: New file.
695 * config/m32c/muldiv.md: New file.
696 * config/m32c/predicates.md: New file.
697 * config/m32c/prologue.md: New file.
698 * config/m32c/shift.md: New file.
699 * config/m32c/t-m32c: New file.
701 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
703 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
704 (stack_protect_set, stack_protect_test): New expanders.
705 (stack_protect_set_si, stack_protect_set_si_media,
706 stack_protect_set_di_media, stack_protect_test_si,
707 stack_protect_test_si_media, stack_protect_test_di_media):
710 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
712 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
714 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
716 * tree.h (tree_expr_nonzero_p): Export.
717 * fold-const.c (tree_expr_nonzero_p): Likewise.
718 Return true for CALL_EXPRs that are alloca calls.
719 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
721 * tree-flow.h (expr_computes_nonzero): Remove.
722 * tree-vrp.c (expr_computes_nonzero): Remove.
723 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
724 (extract_range_from_unary_expr): Likewise.
725 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
728 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
730 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
731 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
732 extra arg "picreg" and use it instead of pic_offset_table_rtx.
734 (frame_related_constant_load): New arg "related" which controls
735 setting of RTX_FRAME_RELATED_P. All callers changed.
736 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
737 (bfin_expand_prologue): Add stack limit checking.
738 * config/bfin/bfin.md (trapifcc): New pattern.
740 * config/bfin/bfin.c: Include "langhooks.h".
741 (def_builtin): Go through lang_hooks to call builtin_function.
743 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
744 * config/bfin/predicates.md (symbol_ref_operand): New.
745 (call_insn_operand): Delete. All callers changed to use
746 register_no_elim_operand.
747 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
749 (function_arg): Use it to generate the call's operand 2.
750 (bfin_longcall_p): New function.
751 (bfin_expand_call): Extra arg "cookie". All callers and declaration
752 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
753 determine if the address needs to be in a REG.
754 (bfin_handle_longcall_attribute): New function.
755 (bfin_attribute_table): Add "longcall" and "shortcall".
756 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
757 (CUMULATIVE_ARGS): New member call_cookie.
758 (PREDICATE_CODES): Add symbol_ref_operand.
759 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
760 extra USE to the pattern.
761 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
762 New patterns, split off call_insn, sibcall_insn, call_value_insn and
763 sibcall_value_insn; now the new patterns handle direct calls and the
764 old ones indirect calls.
765 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
767 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
769 * doc/trouble.texi: Update section on handling of empty loops.
771 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
773 * config.gcc: Remove support for sparc-*-openbsd*,
774 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
776 * config.host: Remove support for i860-*-sysv4* as a host.
777 * config/i860/*, config/ip2k/*, config/ns32k/*,
778 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
779 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
780 mention obsolete ports.
782 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
784 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
786 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
787 of frame_pointer_rtx.
788 (sh_expand_epilogue): Likewise.
789 (sh_set_return_address): Likewise.
790 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
791 instead of FRAME_POINTER_REGNUM if needed. Add elimination
792 offsets from FRAME_POINTER_REGNUM.
793 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
794 (sh_register_names): Add initializer for sfp.
795 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
796 (VALID_REGISTER_P): Likewise.
797 (FIRST_PSEUDO_REGISTER): Update.
798 (DWARF_FRAME_REGISTERS): Define.
799 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
800 (HARD_FRAME_POINTER_REGNUM): Define.
801 (FRAME_POINTER_REGNUM): Redefine.
802 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
803 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
804 from FRAME_POINTER_REGNUM.
805 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
806 FRAME_POINTER_REGNUM.
807 (REG_CLASS_CONTENTS): Add sfp.
808 (REG_ALLOC_ORDER): Likewise.
809 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
810 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
811 of frame_pointer_rtx.
812 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
814 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
816 * fold-const.c (tree_expr_nonnegative_p): Only return true for
817 ABS_EXPR when flag_wrapv is false because of INT_MIN.
818 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
820 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
823 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
825 Make CONSTRUCTOR use VEC to store initializers.
826 * c-common.c (complete_array_type): Update to cope with VEC in
828 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
829 (pp_c_constructor_elts): New function.
830 * c-pretty-print.h (pp_c_constructor_elts): Declare.
831 * c-typeck.c (build_function_call, build_c_cast, digest_init,
832 struct constructor_stack, struct initializer_stack,
833 constructor_elements, push_init_level, pop_init_level,
834 add_pending_init, find_init_member, output_init_element): Update to
835 cope with VEC in CONSTRUCTOR_ELTS.
836 * coverage.c (build_fn_info_value, build_ctr_info_value,
837 build_gcov_info): Likewise.
838 * expr.c (categorize_ctor_elements_1, store_constructor,
839 expand_expr_real_1): Likewise.
840 * fold-const.c (fold_ternary): Likewise.
841 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
842 gimplify_init_constructor, gimplify_expr): Likewise.
843 * tree-dump.c (dequeue_and_dump): Likewise.
844 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
846 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
848 * tree-sra.c (generate_element_init_1): Likewise.
849 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
850 * tree-ssa-operands.c (get_expr_operands): Likewise.
851 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
852 * tree-vect-transform.c (vect_get_vec_def_for_operand):
853 (get_initial_def_for_reduction): Likewise.
854 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
855 value handle in annotations.
856 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
857 tree_node_structure): Add support for constr_kind.
858 (build_vector_from_ctor, build_constructor_single,
859 build_constructor_from_list): New functions.
860 (build_constructor): Update to take a VEC instead of a TREE_LIST.
861 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
862 Update to cope with VEC in CONSTRUCTOR_ELTS.
863 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
864 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
865 CONSTRUCTOR_APPEND_ELT): New macros.
866 (struct constructor_elt, struct tree_constructor): New data types.
867 (union tree_node): Add tree_constructor field.
868 * treestruct.def: Define TS_CONSTRUCTOR.
869 * varasm.c (const_hash_1, compare_constant, copy_constant,
870 compute_reloc_for_constant, output_addressed_constants,
871 initializer_constant_valid_p, output_constant,
872 array_size_for_constructor, output_constructor): Update to cope with
873 VEC in CONSTRUCTOR_ELTS.
874 * vec.h (VEC_empty, VEC_copy): New macros.
876 2005-07-19 Devang Patel <dpatel@apple.com>
878 * dbxout.c (dbxout_type): Check Objective-C++ lang.
880 2005-07-19 Richard Henderson <rth@redhat.com>
883 * gimplify.c (gimplify_expr): Use main variant type for the temp
884 destination for a discarded volatile read.
885 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
886 casts between non-void types that change volatility.
888 2005-07-15 DJ Delorie <dj@redhat.com>
890 * toplev.h: Add comment about the first parameter for warning().
891 * errors.h: Likewise.
893 * c.opt (Wpragmas): New.
894 * doc/invoke.texi: Document it.
896 * function.c (do_warn_unused_parameter): Add warning control to
898 * c-decl.c (warn_if_shadowing): Likewise.
899 * c-lex.c (cb_def_pragma): Likewise.
900 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
901 (pop_alignment): Likewise.
902 (handle_pragma_pack): Likewise.
903 (apply_pragma_weak): Likewise.
904 (handle_pragma_weak): Likewise.
905 (handle_pragma_redefine_extname): Likewise.
906 (add_to_renaming_pragma_list): Likewise.
907 (handle_pragma_extern_prefix): Likewise.
908 (maybe_apply_renaming_pragma): Likewise.
909 (handle_pragma_visibility): Likewise.
911 * config/c4x/c4x-c.c (BAD): Likewise.
912 (c4x_parse_pragma): Likewise.
913 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
914 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
915 (rs6000_pragma_longcall): Likewise.
916 * config/v850/v850-c.c (pop_data_area): Likewise.
917 (ghs_pragma_section): Likewise.
918 (ghs_pragma_section): Likewise.
919 (ghs_pragma_interrupt): Likewise.
920 (ghs_pragma_starttda): Likewise.
921 (ghs_pragma_startsda): Likewise.
922 (ghs_pragma_startzda): Likewise.
923 (ghs_pragma_endtda): Likewise.
924 (ghs_pragma_endsda): Likewise.
925 (ghs_pragma_endzda): Likewise.
927 2005-07-19 Danny Berlin <dberlin@dberlin.org>
928 Kenneth Zadeck <zadeck@naturalbridge.com>
930 * Makefile.in: Removed tree-promote-statics.c
931 * tree-promote-statics.c: Removed.
932 * common.opt: Removed flag-promote-statics.
934 * passes.c: Removed tree-promote-statics pass.
935 * tree-pass.h: Ditto.
936 * timevar.def: Removed TV_PROMOTE_STATICS.
939 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
941 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
943 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
945 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
948 * c-common.c (check_function_arguments): Call
949 'check_function_format' if either -Wformat or
950 -Wmissing-format-attribute are specified.
951 * c-format.c (check_function_format): Check -Wformat before
952 calling 'check_format_info'.
953 * c-opts.c (c_common_post_options): Don't warn for
954 -Wmissing-format-attribute without -Wformat.
955 * c-typeck.c (convert_for_assignment): Detect additional cases for
956 -Wmissing-format-attribute.
957 * doc/invoke.texi (-Wmissing-format-attribute): Document new
960 2005-07-19 Richard Guenther <rguenther@suse.de>
962 * config/i386/i386.md (lrint<mode>2): Use temporary
963 instead of clobbering non-existent memory.
965 2005-07-19 Nick Clifton <nickc@redhat.com>
967 * config/avr/avr.c (legitimate_address_p): Fix debugging print
968 statement to avoid displaying ASCII control characters.
970 2005-07-19 Ben Elliston <bje@au.ibm.com>
972 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
973 * cfganal.c (find_edge_index): Ditto.
974 * combine.c (combine_instructions): Ditto.
975 * ddg.c (create_scc): Ditto.
976 (find_successors): Ditto.
977 (find_predecessors): Ditto.
978 (find_nodes_on_paths): Ditto.
979 (longest_simple_path): Ditto.
980 * flow.c (update_life_info): Ditto.
981 (count_or_remove_death_notes): Ditto.
982 (clear_log_links): Ditto.
983 * modulo-sched.c (generate_reg_moves): Ditto.
984 (find_max_asap): Ditto.
985 (find_max_hv_min_mob): Ditto.
986 (find_max_dv_min_mob): Ditto.
987 * sbitmap.c (sbitmap_first_set_bit): Ditto.
988 * sched-rgn.c (extract_edgelst): Ditto.
989 * tree-into-ssa.c (prepare_names_to_update): Ditto.
990 (dump_update_ssa): Ditto.
991 (ssa_names_to_replace) Ditto.
992 (switch_virtuals_to_full_rewrite): Ditto.
994 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
996 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
998 Fix PR tree-optimization/22483
1000 * tree-complex.c (create_components): Use
1001 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
1002 * tree-flow-inline.h (fill_referenced_var_vec): New function.
1003 * tree-flow.h (safe_referenced_var_iterator): New structure.
1004 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
1005 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
1006 safe_referenced_var iterator.
1007 (add_type_alias): Ditto.
1009 2005-07-19 Steven Bosscher <stevenb@suse.de>
1011 * loop-init.c (rest_of_handle_loop2): Remove.
1012 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
1013 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
1014 (pass_rtl_loop_init, pass_rtl_loop_done,
1015 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
1016 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
1017 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
1018 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
1019 pass_tree_loop_done, and pass_tree_unswitch.
1020 (gate_loop): Rename to gate_tree_loop.
1021 * passes.c (init_optimization_passes): Update for renamed tree
1022 loop passes. Add the new loop2 passes as subpasses of loop2.
1023 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
1024 Update for the renamed tree loop passes.
1026 2005-07-18 Ian Lance Taylor <ian@airs.com>
1029 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
1030 blocks when optimizing.
1032 2005-07-18 Steve Ellcey <sje@cup.hp.com>
1034 * common.opt (frename-registers): Initialize to 2.
1036 (fgcse-after-reload): Ditto.
1037 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
1038 (process_options): Only change flag_web, flag_rename_registers,
1039 and flag_rerun_cse_after_loop if not explicitly set by user.
1041 2005-07-18 Jan Beulich <jbeulich@novell.com>
1043 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
1044 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
1045 in 64-bit mode the same as DImode in 32-bit mode.
1046 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
1047 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
1048 mode. Add new mode parameter.
1049 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
1050 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
1051 x86_64_shift_adj): New expanders.
1052 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
1053 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
1055 Respective new splitters. Use renamed shift splitter helpers in 32-bit
1056 DImode shift splitters.
1057 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
1058 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
1061 2005-07-18 Jan Beulich <jbeulich@novell.com>
1063 * i386.md (movdi_extzv_1): New.
1064 (zero_extendhidi2): Combine alternatives and never force use of
1066 (zero_extendqidi2): Likewise. Don't restrict input selection.
1068 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
1070 Fix PR tree-optimization/22531
1071 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
1074 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
1076 * tree-promote-statics.c (pass_promote_statics): Change dump file
1079 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
1081 * tree-optimize.c (init_tree_optimization_passes): Add
1082 pass_eliminate_useless_stores pass.
1083 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
1084 * tree-ssa-pre.c (is_copy_stmt): New function.
1085 (follow_copies_till_vuse): Ditto.
1086 (do_eustores): Ditto.
1087 (gate_eustores): Ditto.
1089 2005-07-16 Richard Henderson <rth@redhat.com>
1091 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
1093 2005-07-16 Danny Berlin <dberlin@dberlin.org>
1094 Kenneth Zadeck <zadeck@naturalbridge.com>
1096 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
1097 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
1098 ipa-type-escape.h, tree-promote-statics.c
1099 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
1100 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
1101 tree-promote-statics.c: new files.
1102 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
1103 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
1104 int nonlocal_set_p, mark_constant_function): Deleted.
1105 (rest_of_handle_cfg): Removed call to mark_constant_function.
1106 (nonoverlapping_component_refs_p): Added calls to support
1107 type based aliasing.
1108 * tree-ssa-alias.c (may_alias_p,
1109 compute_flow_insensitive_aliasing): Ditto.
1110 * calls.c (flags_from_decl_or_type): Removed reference to
1112 * c-typeck.c (convert_arguments): Make builtins tolerant of having
1113 too many arguments. This is necessary for Spec 2000.
1114 * cgraph.h (const_function, pure_function): Removed.
1115 * common.opt: Added "fipa-pure-const", "fipa-reference",
1116 "fipa-type-escape", and "ftree-promote-static".
1118 * passes.c: Added ipa and tree-promote-statics passes.
1119 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
1120 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
1121 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
1122 * tree-flow.h: Added exposed sra calls and addition of
1123 reference_vars_info field for FUNCTION_DECLS.
1124 * tree-pass.h: Added passes.
1125 * tree-sra.c: (sra_init_cache): New function.
1126 (sra_insert_before, sra_insert_after) Made public.
1127 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
1129 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
1130 aliasing. (may_alias_p): Added code to use type escape analysis to
1132 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
1133 code to prune clobbers of static variables based on information
1134 produced in ipa-reference pass. Changed call clobbering so that
1135 statics are not marked as clobbered if the call does not clobber
1138 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
1140 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
1143 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1145 * doc/install.texi (*-*-solaris2*): Document recommended version
1146 of GNU binutils and mention GNU linker problem on Solaris 10.
1148 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
1151 * c-decl.c (c_build_bitfield_integer_type): New function.
1152 (finish_struct): Call it.
1153 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
1155 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1157 * c-typeck.c (digest_init): Call 'convert_for_assignment'
1160 2005-07-16 Jan Hubicka <jh@suse.cz>
1162 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
1163 (scale_bbs_frequencies_int): Watch roundoff errors.
1164 * predict.c (return_prediction): Initialize return_stmt.
1166 2005-07-16 Jan Hubicka <jh@suse.cz>
1168 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
1169 after RTL profiling.
1171 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
1174 * fold-const.c (build_range_check): Convert high/low to etype
1175 if we are only comparing against exp.
1177 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
1179 Fix PR tree-optimization/22376
1180 * tree-ssa-structalias.c (build_constraint_graph): We really meant
1182 (need_to_solve): New function.
1183 (compute_points_to_sets): Use it.
1185 2005-07-15 Jan Hubicka <jh@suse.cz>
1187 * cfg.c (update_bb_profile_for_threading): More diagnostic.
1188 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
1190 2005-07-15 Richard Guenther <rguenther@suse.de>
1192 * c-common.c (handle_flatten_attribute): New function.
1193 Add flatten function attribute.
1194 * doc/extend.texi: Document flatten function attribute.
1195 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
1196 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
1198 (cgraph_decide_inlining): Handle functions with flatten
1201 2005-07-14 David Edelsohn <edelsohn@gnu.org>
1203 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
1204 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
1205 UNSPEC_XCHG, UNSPEC_AND): New.
1206 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
1207 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
1208 * config/rs6000/sync.md (FETCHOP): New code macro.
1209 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
1211 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
1212 (sync_compare_and_swap<mode>): Same.
1213 (sync_lock_test_and_set<mode>): Same.
1214 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
1215 for QImode and HImode, and not PPC405.
1216 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
1217 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
1218 (sync_<fetchop>{si,di}_internal): New.
1219 (sync_nand{si,di}_internal): New.
1220 (sync_old_<fetchop>{si,di}_internal): New.
1221 (sync_old_nand{si,di}_internal): New
1222 (sync_new_<fetchop>{si,di}_internal): New.
1223 (sync_new_nand{si,di}_internal): New.
1224 (atomic_and{si,di}): New.
1225 (sync_new_nand{si,di}_internal): New.
1226 (atomic_and{si,di}): New.
1227 (sync_add<mode>_internal): Delete.
1228 (sync_addshort_internal): Use unspec instead of unspec_volatile.
1229 (sync_sub<mode>_internal): Delte.
1230 (sync_subshort_internal): New.
1231 (sync_andsi_internal): Use unspec instead of unspec_volatile.
1232 (sync_anddi_internal): Delete.
1233 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
1234 (sync_booldi_internal): Delete.
1235 (sync_boolc<mode>_internal): Delete.
1236 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
1237 (sync_boolc<mode>_internal2): Delete.
1238 (sync_boolcc<mode>_internal): Delete.
1239 (isync, lwsync): Use unspec instead of unspec_volatile.
1240 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
1241 Revert UNSPEC_VOLATILE.
1242 (rs6000_split_atomic_op): New.
1243 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
1245 2005-07-14 Eric Christopher <echristo@redhat.com>
1247 * config/mips/mips.c (mips_canonicalize_comparison): Cast
1248 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
1250 2005-07-14 Eric Christopher <echristo@redhat.com>
1252 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
1254 2005-07-14 Steven Bosscher <stevenb@suse.de>
1256 PR tree-optimization/22230
1257 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
1258 the computation of the four cross productions for "range op range".
1260 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
1261 Ulrich Weigand <uweigand@de.ibm.com>
1264 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
1267 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1269 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
1271 2005-07-14 Steve Ellcey <sje@cup.hp.com>
1273 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
1275 2005-07-14 Richard Guenther <rguenther@suse.de>
1278 * config/i386/i386-protos.h (ix86_function_value): Change
1279 prototype to match new target hook.
1280 * config/i386/i386.c (ix86_value_regno): Change prototype
1281 to take extra type argument.
1282 (TARGET_FUNCTION_VALUE): Define.
1283 (ix86_function_ok_for_sibcall): Pass extra argument to
1284 ix86_value_regno, check return slot rtx for exact match.
1285 (ix86_function_value): Take extra parameter. Dispatch to
1286 ix86_value_regno with fndecl/fntype as provided.
1287 (ix86_value_regno): Handle extra type argument.
1288 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
1290 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
1291 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
1292 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
1293 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
1294 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
1296 2005-07-14 Richard Guenther <rguenther@suse.de>
1298 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
1299 * calls.c (expand_call): Pass fntype to hard_function_value.
1300 (emit_library_call_value_1): Likewise.
1301 * explow.c: Include target.h.
1302 (hard_function_value): Take extra argument, the fntype.
1303 Use new target hook for function_value.
1304 * expr.h (hard_function_value): Change prototype.
1305 * function.c (aggregate_value_p): Pass 0 as fntype to
1306 hard_function_value.
1307 (assign_parms): Use new target hook for function_value.
1308 Pass 0 as fntype to hard_function_value.
1309 (expand_function_end): Likewise.
1310 * reg-stack.c: Include target.h.
1311 (stack_result): Use new target hook for function_value.
1312 * target-def.h: New target hook function_value.
1313 * target.h: Likewise.
1314 * targhooks.c (default_function_value): New function.
1315 * targhooks.h (default_function_value): Declare.
1317 2005-07-13 Ian Lance Taylor <ian@airs.com>
1319 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1321 2005-07-14 Jan Hubicka <jh@suse.cz>
1323 * tree-dfa.c (dump_variable): Use default_def function.
1324 * tree-ssa-alias.c (dump_points_to_info): Likewise.
1325 * tree-ssa.c (verify_use): Likewise.
1326 * tree-ssanames.c (release_ssa_name): Likewise.
1327 * tree-tailcall.c (eliminate_tail_call): Likewise.
1328 (tree_optimize_tail_calls_1): Likewise.
1329 * tree-vrp.c (get_value_range): Likewise.
1331 2005-07-14 Ben Elliston <bje@au.ibm.com>
1333 * gcc.c (main): Compare language[0] with '*' when iterating over
1336 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
1338 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
1339 "s390_emit_compare". Add handling of CCZ1mode.
1340 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
1341 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
1343 (s390_branch_condition_mask): Add CCZ1mode handling.
1344 * config/s390/s390.md: ("seq", "*seq"): New pattern.
1345 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
1346 Use CCZ1mode instead of CCZmode.
1347 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
1349 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
1351 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
1353 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
1355 2005-07-13 Eric Christopher <echristo@redhat.com>
1357 * config/mips/mips.c (mips_canonicalize_comparison): New.
1358 (mips_emit_int_relational): Use.
1360 2005-07-13 Eric Christopher <echristo@redhat.com>
1362 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
1364 * config/s390/s390.md: Include tpf.md. Move tpf specific
1366 * config/s390/tpf.md: To here.
1367 * config/s390/s390.opt: Move tpf specific options...
1368 * config/s390/tpf.opt: to here. Add mmain option.
1369 * config/s390/tpf-unwind.h: Remove unnecessary defines.
1370 * config/s390/tpf.h: Rewrite.
1372 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
1374 * doc/tm.texi: Remove @xref{Cross-profiling}.
1376 2005-07-13 Jeff Law <law@redhat.com>
1378 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
1379 expressions, test their _DECL operands for pointer equality rather
1380 than using operand_equal_p.
1382 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
1384 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
1385 (TARGET_POSIX_IO): This.
1386 * config/darwin.h: Likewise.
1387 * config/freebsd.h: Likewise.
1388 * config/linux.h: Likewise.
1389 * config/lynx.h: Likewise.
1390 * config/netbsd.h: Likewise.
1391 * config/rs6000/linux64.h: Likewise.
1392 * config/rs6000/linux.h: Likewise.
1393 * config/s390/tpf.h: Likewise.
1394 * config/sh/embed-elf.h: Likewise.
1395 * config/sparc/linux64.h: Likewise.
1396 * config/sparc/linux.h: Likewise.
1397 * config/svr4.h: Likewise.
1398 * gcov-io.h: Likewise.
1400 * doc/tm.texi: Updated.
1402 * libgcov.c (create_file_directory): Defined only if
1403 TARGET_POSIX_IO is defined.
1404 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
1407 2005-07-13 Jan Hubicka <jh@suse.cz>
1409 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
1411 2005-07-13 David Edelsohn <edelsohn@gnu.org>
1413 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
1414 structure as argument.
1416 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
1418 PR tree-optimization/21921
1419 * tree-iterator.c (tsi_link_before): Support the case when
1420 tsi_end_p (tsi) == true.
1422 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
1424 PR tree-optimization/22442
1425 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
1428 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
1430 PR rtl-optimization/20376
1431 * toplev.c (process_options): Enable -fweb and -frename-registers when
1433 * doc/invoke.texi: Update the information about when -fweb and
1434 -frename-registers are enabled.
1436 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
1439 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
1440 if *rhs_p is not a SSA_NAME.
1442 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
1444 Fix PR tree-optimization/22422
1445 * tree-ssa-structalias.c (struct variable_info): Add flag for
1447 (get_varinfo): Now a static function.
1448 (new_varinfo): init has_union and is_special_var to false.
1449 (solution_set_add): Check has_union.
1450 (do_da_constraint): Move temporary variable so it gets reset
1452 Also check for special variable.
1453 (do_ds_constraint): Ditto.
1454 (do_sd_constraint): Ditto.
1455 (do_structure_copy): Check for special variable.
1456 (find_func_aliases): Ditto.
1457 (init_base_vars): Set special vars properly.
1459 2005-07-13 Jan Hubicka <jh@suse.cz>
1461 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
1464 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
1465 (get_expr_operands): Fix thinko wrt flags and subvars.
1467 PR tree-optimize/22379
1468 * tree-inline.c (expand_call_inline): Do not output sorry in early
1471 2005-07-12 Dale Johannesen <dalej@apple.com>
1473 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
1475 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
1478 * host-linux.h: Include limits.h.
1480 2005-07-12 Dale Johannesen <dalej@apple.com>
1482 * expr.c (compress_float_constant): Add cost check.
1483 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
1485 2005-07-12 Dale Johannesen <dalej@apple.com>
1487 * gcc.target/i386/compress-float-sse.c: New.
1488 * gcc.target/i386/compress-float-sse-pic.c: New.
1489 * gcc.target/i386/compress-float-387.c: New.
1490 * gcc.target/i386/compress-float-387-pic.c: New.
1491 * gcc.dg/compress-float-ppc.c: New.
1492 * gcc.dg/compress-float-ppc-pic.c: New.
1494 2005-07-12 Eric Christopher <echristo@redhat.com>
1496 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
1498 * config/s390/s390.md: Include tpf.md. Move tpf specific
1500 * config/s390/tpf.md: To here.
1501 * config/s390/s390.opt: Move tpf specific options...
1502 * config/s390/tpf.opt: to here. Add mmain option.
1503 * config/s390/tpf-unwind.h: Remove unnecessary defines.
1504 * config/s390/tpf.h: Rewrite.
1506 2005-07-12 Eric Christopher <echristo@redhat.com>
1508 * gcc.c (struct infile): Update comment for language.
1509 (main): Rewrite input file resetting code.
1511 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
1514 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
1515 requiring a cast in a non RHS of modify_expr. Add a cast when required.
1516 (lookup_avail_expr): Use constant_boolean_node instead
1517 of boolean_false_node/boolean_true_node.
1519 2005-07-12 Ben Elliston <bje@au.ibm.com>
1521 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
1522 and use it when printing num_edges.
1524 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
1526 * doc/extend.texi (Blackfin Built-in Functions): New section.
1527 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
1530 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
1532 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
1533 s/cmpstrsi/cmpstrnsi
1534 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
1536 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
1537 (init_optabs): Initialize cmpstrn_optab.
1538 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
1539 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
1540 * expr.c: (enum insn_code cmpstrn_optab): Declare.
1541 * config/i386/i386.md: s/cmpstr/cmpstrn
1542 * config/c4x/c4x.md: s/cmpstr/cmpstrn
1543 * doc/md.texi: Update documentation.
1545 2005-07-11 Richard Henderson <rth@redhat.com>
1547 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
1548 build_va_arg_indirect_ref.
1549 (alpha_gimplify_va_arg): Likewise.
1550 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1551 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
1552 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
1553 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1554 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
1555 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
1557 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
1559 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
1561 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
1562 * passes.c (init_optimization_passes): Add pass_empty_loop.
1563 * tree-pass.h (pass_empty_loop): Declare.
1564 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
1565 try_remove_empty_loop, remove_empty_loops): New functions.
1566 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
1567 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
1569 2005-07-12 Peter Barada <peter@the-baradas.com>
1573 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
1574 in address registers.
1575 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
1576 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
1577 alternative of addsi3_5200.
1579 2005-07-11 Ian Lance Taylor <ian@airs.com>
1581 * config/mips/mips.md (ffs<mode>2): Remove.
1583 2005-07-11 Ian Lance Taylor <ian@airs.com>
1585 * doc/tree-ssa.texi (Cleanups): Improve description of
1587 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
1589 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
1591 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
1592 * tree.h (DECL_ARGUMENT_FLD): New macro.
1594 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
1596 Fix PR tree-optimization/22404
1598 * tree-ssa-structalias.c (create_variable_info_for): Use
1601 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
1603 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
1604 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
1605 for second comparison operand.
1606 * config/bfin/predicates.md (reg_or_const_int_operand): New.
1608 * config/bfin/bfin.md (define_attr "type"): Add "sync".
1609 (define_insn_reservation "alu"): Likewise.
1610 (csync, ssync): Now of type sync.
1611 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
1612 -mcsync-anomaly -mspecld-anomaly.
1613 * config/bfin/bfin.opt (mcsync): Remove.
1614 (mcsync-anomaly, mspecld-anomaly): Add.
1615 * config/bfin/bfin.c: Include "insn-codes.h".
1616 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
1617 (TARGET_DEFAULT_TARGET_FLAGS): New.
1618 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
1620 2005-07-11 Steven Bosscher <stevenb@suse.de>
1622 * basic-block.h: Give the BB flags enum a name, bb_flags.
1623 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
1624 * cfgcleanup.c (enum bb_flags): Remove here.
1625 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
1626 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
1627 (update_forwarder_flag): Likewise.
1628 (thread_jump): Likewise.
1629 (try_forward_edges): Likewise.
1630 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
1631 forwarder flags. Don't clear bb->aux for all basic blocks. Only
1632 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
1634 2005-07-11 Richard Guenther <rguenther@suse.de>
1636 * config/i386/i386.opt: New target option -msseregparm.
1637 * config/i386/i386.c (override_options): Error out for
1638 -msseregparm but no SSE support.
1639 (ix86_function_sseregparm): Check for global sseregparm.
1640 * doc/invoke.texi: Document -msseregparm.
1642 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1644 * config.gcc (m32r-*-linux*): Use the default extra_parts.
1645 (m32rle-*-linux*): Ditto.
1647 2005-07-11 Jakub Jelinek <jakub@redhat.com>
1649 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
1650 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
1653 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1657 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
1658 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
1660 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
1662 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
1663 (varmap): Heapify varmap.
1664 (constraints): Heapify constraints.
1665 (struct constraint_graph): Heapify succs and preds.
1666 (constraint_vec_find): Update for heapification.
1667 (constraint_set_union): Ditto.
1668 (insert_into_complex): Ditto.
1669 (constraint_edge_vec_find): Ditto.
1670 (erase_graph_self_edge): Ditto.
1671 (add_graph_edge): Ditto.
1672 (get_graph_weights): Ditto.
1673 (merge_graph_nodes): Ditto.
1674 (build_constraint_graph): Ditto.
1675 (topo_visit): Ditto.
1676 (solve_graph): Ditto.
1677 (create_variable_info_for): Ditto.
1678 (init_base_vars): Ditto.
1679 (delete_points_to_sets): Free graph, varmap, and complex constraints.
1680 (condese_varmap_nodes): Free complex vector.
1681 (clear_edges_for_node): Clear succs and preds vector.
1683 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
1685 * tree-ssa-structalias.c (update_alias_info): Change counting of
1686 references to not include vdefs.
1688 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
1690 * tree-ssa-alias.c (free_used_part_map): Add missing free.
1693 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1695 * pa.c (pa_commutative_p): Make PLUS commutative when
1696 TARGET_NO_SPACE_REGS is true.
1698 2005-07-09 Diego Novillo <dnovillo@redhat.com>
1700 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
1701 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
1702 * tree-dfa.c (dump_subvars_for): New.
1703 (debug_subvars_for): New.
1704 (dump_variable): Show subvariables if VAR has them.
1705 * tree-flow-inline.h (get_subvar_at): New.
1706 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
1707 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
1709 (struct subvar): Change fields offset and size to unsigned
1711 (dump_subvars_for): Declare.
1712 (debug_subvars_for): Declare.
1713 (get_subvar_at): Declare.
1714 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
1715 to unsigned HOST_WIDE_INT *.
1716 (overlap_subvar): Likewise.
1717 * tree-gimple.c (is_gimple_reg): Always return false for
1718 SFTs and memory tags.
1719 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
1721 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
1722 (compute_may_aliases): Call compute_points_to_sets.
1723 (collect_points_to_info_for): Remove.
1724 (compute_points_to_and_addr_escape): Remove.
1725 (delete_alias_info): Call delete_points_to_sets.
1726 (compute_flow_sensitive_aliasing): If the call to
1727 find_what_p_points_to returns false, call set_pt_anything.
1728 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
1729 (set_pt_anything): Clear pi->pt_vars.
1730 (set_pt_malloc): Remove.
1731 (merge_pointed_to_info): Remove.
1732 (add_pointed_to_expr): Remove.
1733 (add_pointed_to_var): Remove.
1734 (collect_points_to_info_r): Remove.
1735 (is_escape_site): Make extern.
1737 (create_overlap_variables_for): Call it.
1738 * tree-ssa-copy.c (merge_alias_info): Never merge
1739 flow-sensitive alias information.
1740 * tree-ssa-operands.c (get_expr_operands): Adjust variables
1741 offset and size to be unsigned HOST_WIDE_INT.
1742 (add_to_addressable_set): Rename from note_addressable.
1743 Set TREE_ADDRESSABLE as the variables are added to the set.
1745 (add_stmt_operand): Do not try to micro-optimize unmodifiable
1746 operands into VUSEs when adding V_MAY_DEFs for members in an
1748 * tree-ssa-operands.h (add_to_addressable_set): Declare.
1749 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
1750 (struct variable_info): Add bitfield is_heap_var.
1751 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
1752 (new_var_info): Initialize is_heap_var.
1753 (get_constraint_for): Add HEAP variables to the symbol table.
1754 Mark them with is_heap_var.
1755 (update_alias_info): New. Taken mostly from the old
1756 compute_points_to_and_addr_escape.
1757 (handle_ptr_arith): New.
1758 (find_func_aliases): Call update_alias_info.
1759 Call handle_ptr_info for tcc_binary expressions.
1760 Call mark_stmt_modified.
1761 (create_variable_info_for): If DECL has subvars, do not create
1762 variables for its subvars. Always add all the fields.
1763 (set_uids_in_ptset): If the solution includes ANYOFFSET and
1764 SFTs, then add all the SFTs of the structure.
1765 If VI->DECL is an aggregate with subvariables, add the SFT at
1767 (find_what_p_points_to): If VI is an artificial variable,
1768 translate to bitfields in SSA_NAME_PTR_INFO.
1769 If the solution is empty, set pi->pt_vars to NULL
1770 (init_base_vars): Create ANYOFFSET.
1771 (compute_points_to_sets): Rename from create_alias_vars.
1773 (pass_build_pta): Remove.
1774 (delete_points_to_sets): Rename from delete_alias_vars.
1775 (pass_del_pta): Remove.
1776 * tree-ssa-structalias.h (struct alias_info): Move from
1778 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
1779 NUM_REFERENCES_SET): Likewise.
1780 (compute_points_to_sets, delete_points_to_sets): Declare.
1782 2005-07-09 Richard Henderson <rth@redhat.com>
1784 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
1785 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
1786 alpha_split_lock_test_and_set_12): New functions.
1787 * config/alpha/alpha-protos.h: Update.
1788 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
1789 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
1790 * config/alpha/sync.md (I12MODE): New.
1791 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
1792 (sync_<fetchop_name><I48MODE>): Likewise.
1793 (sync_nand<I48MODE>): Likewise.
1794 (sync_old_<fetchop_name><I48MODE>): Likewise.
1795 (sync_new_<fetchop_name><I48MODE>): Likewise.
1796 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
1797 (sync_compare_and_swap<I48MODE>): Likewise.
1798 (sync_lock_test_and_set<I48MODE>): Likewise.
1799 (sync_compare_and_swap<I12MODE>): New.
1800 (sync_compare_and_swap<I12MODE>_1): New.
1801 (sync_lock_test_and_set<I12MODE>): New.
1802 (sync_lock_test_and_set<I12MODE>_1): New.
1804 2005-07-09 Diego Novillo <dnovillo@redhat.com>
1808 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
1810 2005-07-09 Jakub Jelinek <jakub@redhat.com>
1812 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
1813 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
1815 2005-07-09 Richard SAndiford <richard@codesourcery.com>
1818 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
1820 2005-07-08 David Edelsohn <edelsohn@gnu.org>
1822 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
1823 memory_operand constraint.
1824 (store_conditional_<mode>): Same.
1825 (sync_compare_and_swap<mode>): Same.
1826 (sync_lock_test_and_set<mode>): Same.
1828 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
1830 Rewrite PIC support to more closely model actual instructions.
1831 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
1832 (cris_symbol): Remove prototypes for removed functions.
1833 (cris_pic_symbol_type_of, cris_valid_pic_const)
1834 (cris_expand_pic_call_address): Prototypes for new functions.
1835 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
1837 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
1839 <case ':'>: Add case for new punctuation character.
1840 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
1841 emitting (extra) PIC modifier.
1842 <case UNSPEC>: Do not assert for PLT.
1843 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
1844 (cris_expand_prologue, cris_expand_epilogue): Check
1845 for pic_offset_table_rtx usage instead of taking
1846 current_function_uses_pic_offset_table as the final word.
1847 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
1848 Remove flag_pic difference.
1849 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
1850 the moral equivalents of...
1851 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
1853 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
1854 (cris_handle_option): Mark ARG as unused.
1855 (cris_expand_pic_call_address): New worker function for "call",
1857 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
1858 output PIC constructs here.
1859 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
1860 as symbol-specific modifers, not whole or part of operands.
1861 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
1862 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
1863 constants and flag_pic.
1864 (CONSTANT_INDEX_P): Adjust for new functions.
1865 (enum cris_pic_symbol_type): New helper type.
1866 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
1867 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
1868 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
1870 ("movsi"): Emit actual instructions for GOT and relative access.
1871 ("*movsi_got_load"): New pattern to set up the register holding
1873 ("*movsi_internal"): Operand 1 is not a plain general_operand.
1874 Adjust FIXME for 'S'.
1875 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
1876 Use "movs" for -fpic cases.
1877 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
1878 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
1879 ("call", "call_value"): Just call cris_expand_pic_call_address for
1881 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
1882 Remove special pattern.
1883 ("*expanded_call_side", "*expanded_call_value_side"): New
1885 (gotplt-to-plt, gotplt-to-plt-side-call)
1886 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
1888 * config/cris/cris/predicates.md
1889 ("cris_general_operand_or_gotless_symbol"): Remove unused
1891 ("cris_general_operand_or_symbol"): Adjust for new functions.
1893 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
1895 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
1897 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
1899 * Makefile.in (TREE_H): Add treestruct.def.
1900 (c-decl.o): Add pointer-set.h
1901 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
1902 visibility on regular DECL's.
1903 (merge_decls): Fix the copying of decl nodes of various types for
1904 the new structures. Don't update RTL, section name, weak status,
1905 etc, on DECL's without RTL.
1906 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
1907 Don't check volatile on non-variable types.
1908 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
1909 to check whether we have seen arguments.
1910 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
1911 flag is checked before field (flag is common, field is not).
1912 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
1913 TS_DECL_COMMON could have an origin.
1914 (add_location_or_const_value_attribute): Don't check section name
1915 on non-var/function decls.
1916 (dwarf2out_var_location): Reverse order of tests.
1917 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
1918 with DECL_WRTL_CHECK.
1919 * expmed.c (make_tree): rtl is now in decl_with_rtl.
1920 * fold-const.c (fold_binary): Don't check weakness on
1921 non-var/function decls.
1922 (tree_expr_nonzero_p): Ditto.
1923 (fold_checksum_tree): Use tree_decl_extra as sizeof
1925 * ggc-page.c (extra_order_size_table): Add sizes for
1926 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
1928 * gimplify.c (gimplify_bind_expr): Only set
1929 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
1930 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
1932 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
1933 * langhooks.h (init_ts). New langhook.
1934 * passes.c (rest_of_decl_compilation): Reverse order of tests.
1935 * print-tree.c (print_node): Update to only print fields that
1936 exist in the structures the passed decl has.
1937 * toplev.c (wrapup_global_declarations): Don't reset
1938 DECL_DEFER_OUTPUT on DECL's that don't contain it.
1939 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
1940 * tree-inline.c (remap_decl): Ditto.
1941 * tree-outof-ssa.c (create_temp): Reverse order of tests.
1942 * tree-pretty-print.c (print_declaration): Don't print
1943 DECL_REGISTER on things that don't contain it.
1944 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
1945 non-var/function decls.
1946 * tree.c (tree_contains_struct): New structure.
1947 (init_priority_for_decl): New hashtable.
1948 (tree_int_map): New structure.
1949 (tree_int_map_eq): New function.
1950 (tree_int_map_marked_p): Ditto.
1951 (tree_int_map_hash): Ditto.
1952 (tree_map): Move to tree.h.
1953 (tree_map_eq): Externalize.
1954 (tree_map_hash): Ditto.
1955 (tree_map_marked_p): Ditto.
1956 (init_ttree): Set up tree_contains_struct and call langhook.
1957 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
1958 (tree_code_size): Update for new structures.
1959 (tree_node_structure): Update for new structures.
1960 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
1962 (copy_node_stat): Copy init priority.
1963 (build_decl_stat): Ditto for visibility.
1964 (ts_enum_names): New.
1965 (tree_contains_struct_check_failed): New function.
1966 (decl_init_priority_lookup): Ditto.
1967 (decl_init_priority_insert): Ditto.
1968 * treestruct.def: New file.
1969 * tree.h (CODE_CONTAINS_STRUCT): New macro.
1970 (CONTAINS_STRUCT_CHECK): Ditto.
1971 (tree_contains_struct_check_failed): New prototype.
1972 (DECL_CHECK): Removed.
1973 (DECL_MINIMAL_CHECK): New.
1974 (DECL_COMMON_CHECK): Ditto.
1975 (DECL_WRTL_CHECK): Ditto.
1976 (DECL_NON_COMMON_CHECK): Ditto.
1977 (DECL_WITH_VIS_CHECK): Ditto.
1978 (VAR_OR_FUNCTION_DECL_P): Ditto
1979 (struct tree_decl_minimal): New structure.
1980 (struct tree_decl_common): Ditto.
1981 (struct tree_decl_with_rtl): Ditto.
1982 (struct tree_decl_with_vis): Ditto.
1983 (struct tree_decl_non_common): Ditto.
1984 (struct tree_field_decl): Ditto.
1985 (struct tree_parm_decl): Ditto.
1986 (struct tree_var_decl): Ditto.
1987 (struct tree_function_decl): Ditto.
1988 (struct tree_const_decl): Ditto.
1989 (struct tree_result_decl): Ditto.
1990 (union tree_node): Add new structures.
1991 * var-tracking.c (track_expr_p): Reverse order of tests.
1993 * doc/c-tree.texi: Add documentation on DECL node internal structure.
1995 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
1997 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
1998 * system.h: Poison FINALIZE_PIC.
1999 * doc/tm.texi (FINALIZE_PIC): Remove.
2001 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
2004 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
2005 to the correct type if we have a MODIFY_EXPR.
2007 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
2009 PR tree-optimization/22360
2010 * tree.c (upper_bound_in_type): Fix calculations for casting
2011 to a non-wider signed type and casting a signed value to a
2012 wider unsigned type.
2013 (lower_bound_in_type): Fix calculations for casting to a
2014 non-wider signed type.
2016 PR tree-optimization/20139
2017 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
2019 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
2020 fold_cond_expr_cond.
2021 * tree-ssanames.c (release_defs): Assert in_ssa_p.
2022 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
2024 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
2027 * tree-complex.c (expand_complex_libcall): Produce
2028 REALPART_EXPR/IMAGPART_EXPR with the correct type.
2030 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
2032 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
2033 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
2034 b" assert and inserted fastpath code for this case.
2035 (bitmap_ior): Removed "a != b" assert.
2037 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2039 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
2040 (ENDFILE_SPEC): Likewise.
2041 * config/m32r/m32r.h (ASM_SPEC): Likewise.
2043 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
2044 a large stack frame at epilogue.
2046 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
2048 * final.c: Include sdbout.h when required.
2050 2005-07-07 Geoffrey Keating <geoffk@apple.com>
2052 * config.gcc (*-*-darwin*): Only one target-specific header file
2054 (powerpc-*-darwin*): Add version-specific header files.
2055 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
2056 * config.in: Regenerate.
2057 * configure: Regenerate.
2058 * gcc.c: Include xregex.h.
2059 (version_compare_spec_function): New.
2060 (spec_function): Add version-compare.
2061 (replace_outfile_spec_function): Reformat comment.
2062 (compare_version_strings): New.
2063 * config/darwin-c.c (version_as_macro): New.
2064 (builtin_define): New.
2065 (darwin_cpp_builtins): New.
2066 * config/darwin-protos.h (darwin_cpp_builtins): New.
2067 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
2068 (LIB_SPEC): Make unconditional, update comment.
2069 (TARGET_C99_FUNCTIONS): Define.
2070 * config/darwin.opt: Sort.
2071 (mmacosx-version-min=): New.
2072 * config/darwin7.h: Delete.
2073 * config/darwin8.h: Delete.
2074 * config/i386/darwin.h (): Call darwin_cpp_builtins.
2075 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
2076 (TARGET_C99_FUNCTIONS): Define.
2077 * config/rs6000/darwin7.h: New.
2078 * config/rs6000/darwin8.h: New.
2079 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
2080 (-mmacosx-version-min): Document.
2082 2005-07-07 Ian Lance Taylor <ian@airs.com>
2084 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
2086 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
2089 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
2091 2005-07-07 Khem Raj <kraj@mvista.com>
2093 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
2094 in bytes, not words.
2096 2005-07-07 Paul Brook <paul@codesourcery.com>
2098 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
2099 DEFAULT_FUNCTION_ARG_PADDING to upward.
2101 2005-07-07 Richard Henderson <rth@redhat.com>
2103 * function.c (locate_and_pad_parm): Record parameter alignment in
2104 stack_alignment_needed.
2106 2005-07-07 David Edelsohn <edelsohn@gnu.org>
2108 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
2109 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
2110 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
2111 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
2112 (define_attr "type"): Add isync, sync, load_l, store_c.
2113 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
2114 Create scratch volatile MEM.
2115 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
2117 (load_locked_<mode>): New.
2118 (store_conditional_<mode>): New.
2119 (sync_compare_and_swap<mode>): Replace with splitter.
2120 (sync_lock_test_and_set<mode>): Replace with splitter.
2121 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
2123 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
2124 is ics. Attribute isync.
2125 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
2127 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
2128 and UNSPECV_SYNC_OP.
2129 (emit_unlikely_jump): New.
2130 (emit_load_locked): New.
2131 (emit_store_conditional): New.
2132 (rs6000_split_compare_and_swap): New.
2133 (rs6000_split_lock_test_and_set): New.
2134 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
2135 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
2136 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
2137 rs6000_split_lock_test_and_set): Declare.
2138 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
2139 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
2140 store_c, isync, sync.
2142 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
2144 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
2145 filenames to gtyp-gen.h.
2146 (s-typ-gen): Use it in place of for loops.
2148 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
2150 * hooks.c (hook_bool_rtx_int_false): New function.
2151 * hooks.h (hook_bool_rtx_int_false): Declare.
2152 * target-def.h (TARGET_COMMUTATIVE_P): Define.
2153 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
2154 * target.h (struct gcc_target): Add commutative_p member.
2155 * targhooks.c (hook_bool_rtx_commutative_p): New function.
2156 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
2157 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
2158 (pa_commutative_p): New function.
2159 * jump.c (target.h): Include.
2160 (rtx_renumbered_equal_p): Use targetm.commutative_p.
2161 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
2163 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
2165 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
2166 (s390_expand_setmem): New.
2167 * config/s390/s390.c: Likewise.
2168 (print_shift_count_operand): Truncate to 12 bits instead of 6.
2170 * config/s390/s390.md: ("setmem<mode>"): Accept character as
2171 general_operand. Call new function "s390_expand_setmem".
2172 ("clrmem_long", "*clrmem_long"): Rewrite to ...
2173 ("setmem_long", "*setmem_long"): ... this.
2175 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
2177 * config/s390/s390.c: (optimization_options): Enable
2178 TARGET_MVCLE at -Os.
2179 * doc/invoke.texi: Document changes in default behaviour.
2180 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
2182 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
2184 * expr.c: (set_storage_via_setmem): Convert opchar to mode
2185 defined by back-end.
2187 2005-07-07 Jakub Jelinek <jakub@redhat.com>
2189 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
2190 all sets in the pattern.
2191 * config/rs6000/rs6000.md (stack_protect_testsi,
2192 stack_protect_testdi): Likewise.
2194 2005-07-06 Jeff Law <law@redhat.com>
2196 * tree-vrp.c (simplify_using_ranges): Kill.
2197 (vrp_finalize): Remove call to simplify_using_ranges.
2198 (simplify_stmt_using_ranges): New function extracted from
2199 simplify_using_ranges.
2200 (simplify_div_or_mod_using_ranges): Likewise.
2201 (simplify_abs_using_ranges): Likewise.
2202 (simplify_cond_using_ranges): New function.
2203 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
2204 * tree-ssa-propagate.c (substitute_and_fold): Call
2205 simplify_stmt_using_ranges if we have range information.
2207 2005-07-06 James E. Wilson <wilson@specifixinc.com>
2209 * config/ia64/ia64.c (ia64_reorg): Check optimize before
2210 ia64_flag_schedule_isns2.
2212 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
2213 reading/writing general registers.
2214 (ia64_function_arg): Revert 2005-06-18 change.
2216 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
2218 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
2219 (legitimize_tls_address): Use gcc_unreachable instead of abort.
2221 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
2223 * function.c (expand_function_end): Revert part of 2005-06-27
2224 patch. Do sjlj_emit_function_exit_after after return_label.
2226 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
2228 * doc/install.texi (--disable-libssp): New.
2230 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
2232 * doc/invoke.texi: Update -fforce-mem documentation.
2233 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
2234 code for -fforce-mem.
2235 * expmed.c: (store_bit_field,store_fixed_bit_field,
2236 extract_bit_field): Ditto.
2237 * expr.c: (convert_move): Ditto.
2238 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
2239 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
2240 emit_conditional_add,expand_float,expand_fix): Ditto.
2241 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
2242 (common_handle_option): Issue warning when -fforce-mem specified.
2244 2005-07-06 Paul Brook <paul@codesourcery.com>
2246 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
2248 * configure: Regenerate.
2250 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
2252 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
2254 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
2256 Fix PR tree-optimization/22319
2257 Fix PR tree-optimization/22140
2258 Fix PR tree-optimization/22310
2260 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
2261 variable sized types.
2262 Use correct type for intermediate structure on *a = *b structure
2265 2005-07-06 Jakub Jelinek <jakub@redhat.com>
2267 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
2269 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
2270 (machine_function): Move typedef to...
2271 * config/rs6000/rs6000.c (machine_function): ... here. Add
2272 varargs_save_offset field.
2273 (rs6000_stack_t): Remove varargs_size field.
2274 (setup_incoming_varargs): Allocate varargs save area using
2275 assign_stack_local, try to make it as small as possible.
2276 Save offset from virtual_stack_vars_rtx to the save area
2277 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
2278 instead of magic 8 when fp word byte size is used.
2279 (rs6000_va_start): Use cfun->machine->varargs_save_offset
2280 instead of -RS6000_VARARGS_SIZE.
2281 (rs6000_stack_info, debug_stack_info,
2282 rs6000_initial_elimination_offset): Remove all traces of
2284 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
2285 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
2286 RS6000_VARARGS_AREA.
2288 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2290 PR tree-optimization/21963
2291 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
2292 constant_multiple_of in the same way get_computation_cost_at does.
2294 2005-07-06 Jakub Jelinek <jakub@redhat.com>
2296 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
2297 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
2298 (gen_compare_reg): If sparc_compare_emitted is set, clear it
2299 and return its previous value.
2300 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
2301 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
2303 (stack_protect_set, stack_protect_test): New expanders.
2304 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
2305 stack_protect_testdi): New insns.
2306 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2307 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
2309 2005-07-06 Jeff Law <law@redhat.com>
2311 * tree-ssa-dce.c (cfg_altered): New global.
2312 (tree_dce_init): Initialize cfg_altered.
2313 (remove_dead_stmt): If we remove an edge in the CFG, then set
2315 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
2318 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
2320 * Makefile.in (stamp-collect-ld): Use
2321 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
2322 ./collect-ld if it already exists.
2323 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
2324 Don't remove ./nm if it already exists.
2326 2005-07-05 Devang Patel <dpatel@apple.com>
2328 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
2329 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
2330 * tree-vectorizer.c (vect_loop_location): New.
2331 (vect_print_dump_info): Use vect_loop_location.
2332 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
2333 (vectorize_loops): Set vect_loop_location.
2334 * tree-vect-analyze.c (vect_analyze_offset_expr,
2335 vect_determin_vectorization_factor, vect_analyze_operations,
2336 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
2337 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
2338 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
2339 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
2340 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
2341 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
2342 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
2343 vect_analyze_loop): Adjust vect_print_dump_info API.
2344 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2345 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
2346 vect_finish_stmt_generation, vectorizable_assignment,
2347 vectorizable_operation, vectorizable_store, vectorizable_load,
2348 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
2349 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2350 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
2351 vect_transform_loop): Same.
2352 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
2353 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
2356 2005-07-05 Randolph Chung <tausq@debian.org>
2358 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
2359 * configure: Regenerate.
2360 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
2361 (pa_tls_referenced_p): Declare.
2362 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
2363 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
2364 (legitimize_tls_address): New.
2365 (hppa_legitimize_address): Handle TLS addresses.
2366 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
2367 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
2368 (emit_move_sequence): Handle TLS addresses.
2369 (pa_encode_section_info): Call default handler to handle common
2371 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
2372 (CONSTANT_ADDRESS_P): Reject TLS operands.
2373 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
2374 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
2375 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
2376 (UNSPEC_TLSLE): Define new constants.
2377 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
2378 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
2379 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
2380 (tie_symbolic_operand, tle_symbolic_operand): New
2382 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
2384 * aclocal.m4: Update macros for autoconf 2.59 style.
2385 * configure.ac: Likewise.
2387 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2389 * pa.c (function_value): Handle small aggregates on 32-bit targets.
2390 (function_arg): Pass small aggregates in general registers on 32-bit
2392 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
2394 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
2396 * Makefile.in (final.o): Fix dependencies.
2398 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
2402 * langhooks.h (struct lang_hooks): Add expr_to_decl.
2403 * langhooks.c (lhd_expr_to_decl): New.
2404 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
2406 (LANG_HOOKS_INITIALIZER): Update.
2407 * tree.c (recompute_tree_invarant_for_addr_expr): Call
2408 expr_to_decl langhook.
2409 * c-tree.h (c_expr_to_decl): Declare.
2410 * c-typeck.c (c_expr_to_decl): New.
2411 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
2413 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
2415 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
2418 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
2419 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
2421 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
2423 * Makefile.in: Adjust dependencies.
2424 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
2425 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
2426 * alias.c (rest_of_handle_cfg, pass_cfg): New.
2427 * bb-reorder.c (duplicate_computed_gotos): Make it static.
2428 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
2429 rest_of_compilation.
2431 * bb-reorder.c (gate_duplicate_computed_gotos,
2432 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
2433 rest_of_handle_reorder_blocks, pass_reorder_blocks,
2434 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
2435 pass_partition_blocks): New.
2436 * bt-load.c (gate_handle_branch_target_load_optimize,
2437 rest_of_handle_branch_target_load_optimize,
2438 pass_branch_target_load_optimize): New.
2439 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
2441 * cfglayout.c (pass_insn_locators_initialize): New.
2442 * cfgrtl.c (pass_free_cfg): New.
2443 * combine.c (gate_handle_combine, rest_of_handle_combine,
2445 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
2446 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
2447 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
2448 * except.c (pass_set_nothrow_function_flags,
2449 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
2451 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
2452 rest_of_handle_shorten_branches, pass_shorten_branches,
2453 rest_of_clean_state, pass_clean_state): New.
2454 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
2455 rest_of_handle_remove_death_notes, pass_remove_death_notes,
2456 rest_of_handle_life, pass_life, rest_of_handle_flow2,
2458 * function.c (pass_instantiate_virtual_regs, pass_init_function,
2459 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
2460 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2461 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
2463 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
2464 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
2465 pass_rtl_ifcvt, gate_handle_if_after_combine,
2466 rest_of_handle_if_after_combine, pass_if_after_combine,
2467 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
2468 pass_if_after_reload): New.
2469 * integrate.c (pass_initial_value_sets): New.
2470 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
2471 pass_purge_lineno_notes): New.
2472 * mode-switching.c (rest_of_handle_mode_switching,
2473 pass_mode_switching): New.
2474 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
2475 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
2477 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
2478 pass_loop_optimize): New.
2479 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
2481 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
2483 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
2484 pass_postreload_cse): New.
2485 * profile.c (gate_handle_profiling, pass_profiling,
2486 rest_of_handle_branch_prob, pass_branch_prob): New.
2487 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
2488 pass_split_before_regstack, gate_handle_split_before_regstack,
2489 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
2490 rest_of_handle_split_all_insns, pass_split_all_insns): New.
2491 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
2492 pass_stack_regs): New.
2493 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
2494 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
2495 pass_stack_adjustments): New.
2496 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
2497 pass_regrename): New.
2498 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
2499 pass_delay_slots, gate_handle_machine_reorg,
2500 rest_of_handle_machine_reorg, pass_machine_reorg): New.
2501 * rtl.h (extern void purge_line_number_notes): New.
2502 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
2503 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
2505 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
2507 * value-prof.c (gate_handle_value_profile_transformations,
2508 rest_of_handle_value_profile_transformations,
2509 pass_value_profile_transformations): New.
2510 * var-tracking.c (gate_handle_var_tracking,
2511 pass_variable_tracking): New.
2512 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
2514 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
2515 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
2516 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
2517 rest_of_handle_old_regalloc, rest_of_handle_regrename,
2518 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
2519 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
2520 rest_of_handle_gcse2, rest_of_handle_regmove,
2521 rest_of_handle_tracer, rest_of_handle_if_conversion,
2522 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
2523 rest_of_handle_web, rest_of_handle_branch_prob,
2524 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
2525 rest_of_handle_jump_bypass, rest_of_handle_combine,
2526 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
2527 rest_of_handle_gcse, rest_of_handle_loop_optimize,
2528 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
2529 rest_of_handle_mode_switching, rest_of_handle_jump,
2530 rest_of_handle_eh, rest_of_handle_stack_adjustments,
2531 rest_of_handle_flow2, rest_of_handle_jump2,
2532 rest_of_handle_peephole2, rest_of_handle_postreload,
2533 rest_of_handle_shorten_branches, rest_of_clean_state,
2534 rest_of_compilation): Remove.
2536 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
2537 * passes.c (dump_flags, in_gimple_form, all_passes,
2538 all_ipa_passes, all_lowering_passes, register_one_dump_file,
2539 register_dump_files, next_pass_1, last_verified, execute_todo,
2540 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
2541 from tree-optimize.c.
2542 (init_optimization_passes): Moved from tree-optimize.c,
2543 adding the RTL optimizations.
2544 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
2545 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
2546 all_ipa_passes, all_lowering_passes, register_one_dump_file,
2547 register_dump_files, next_pass_1, last_verified, execute_todo,
2548 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
2549 init_tree_optimization_passes, ipa_passes): Delete.
2550 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
2552 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
2553 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
2555 (ipa_passes): Remove.
2556 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
2557 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
2558 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
2559 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
2560 (dump_info_p, dump_flag): Moved to tree-dump.h.
2562 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
2564 * passes.c (finish_optimization_passes): Use dump_begin
2565 and dump_end, TDI_end.
2566 (gate_rest_of_compilation): New.
2567 (pass_rest_of_compilation): Use it.
2568 (gate_postreload, pass_postreload): New.
2569 * toplev.c (general_init): Rename init_tree_optimization_passes.
2570 * toplev.h (init_tree_optimization_passes): Rename to
2571 init_optimizations_passes.
2572 * tree-dump.c (dump_flag): Make static.
2573 (dump_files): Remove RTL dumps.
2574 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
2575 pass_cleanup_cfg, pass_free_cfg_annotations,
2576 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
2577 pass_init_datastructures, pass_fixup_cfg): Make non-static.
2578 * tree-pretty-print.c: Include tree-pass.h.
2579 * cgraph.c: Include tree-dump.h.
2581 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
2583 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
2584 Only fall back to saying it points to readonly memory if
2587 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2589 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
2590 * config/m32r/m32r.c (m32r_compute_frame_size,
2591 m32r_expand_prologue): Take current_function_profile into
2592 account whenever we reference
2593 current_function_uses_pic_offset_table.
2594 (m32r_finalize_pic): Remove.
2595 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
2597 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
2599 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
2600 instead of $<. Don't remove ./as if it already exists.
2602 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2605 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
2606 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
2607 for complex modes when generating code for PA 1.0.
2608 (VALID_FP_MODE_P): New macro.
2609 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
2610 sets for all general and floating point modes. Align wide floating
2611 point modes to even register boundaries to comply with architectural
2613 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
2614 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
2615 (VALID_FP_MODE_P): New macro.
2616 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
2617 sets for all general and floating point modes. Align wide floating
2618 point modes to even register boundaries to comply with architectural
2621 2005-07-04 Diego Novillo <dnovillo@redhat.com>
2623 * tree-dump.c (dump_files): Initialize dump number for .cgraph
2626 2005-07-04 Diego Novillo <dnovillo@redhat.com>
2628 * tree-ssa-structalias.c: Don't include expr.h.
2630 2005-07-04 Diego Novillo <dnovillo@redhat.com>
2632 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
2635 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
2637 Fix PR tree-optimization/22279
2639 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
2642 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
2644 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
2646 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
2648 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
2649 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
2650 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
2651 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
2652 config/stormy16/stormy16.c, config/v850/v850.c,
2653 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
2654 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
2655 Avoid "." or "\n" at end of diagnostics and capital letters at
2656 start of diagnostics.
2657 * combine.c, cse.c: Don't translate dump file output.
2658 * toplev.c (print_version): Only translate output if going to
2661 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
2663 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
2664 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
2667 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2669 * pa.c (fix_range): Fix typo in comment.
2671 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
2673 * tree-vrp.c (extract_range_from_assert): Replace
2674 fold (build (...)) with fold_build2.
2676 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2678 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
2679 gcc_gfc_char_table, init_dynamic_gfc_info): New.
2680 (format_types_orig, handle_format_attribute): Add support for
2683 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
2685 * varasm.c (assemble_variable): Fix format specifier thinko.
2687 2005-07-03 Ira Rosen <irar@il.ibm.com>
2689 PR tree-optimization/22029 (and 22135)
2690 * tree-pretty-print.c (dump_generic_node): Check that the node is not
2691 a phi node before calling dump_vops.
2693 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
2695 * tree-dump.h (dump_string_field): Declare.
2696 * tree-dump.c: Use it instead of dump_string.
2697 (dump_string_field): Make non-static.
2699 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
2701 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
2702 up the minimal CFG stuff always when optimize > 0. Call
2703 split_all_insns_noflow in PIC case if needed.
2705 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
2706 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
2709 * c-decl.c (c_write_global_declarations): Dump contents of
2711 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
2712 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
2713 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
2714 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
2717 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
2719 * c-common.h (GCC_DIAG_STYLE): Define.
2720 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
2721 version for format checking to 4.1.
2722 * c-format.c: Include toplev.h after c-common.h.
2723 (enum format_type): Add gcc_tdiag_format_type.
2724 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
2725 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
2726 (format_types_orig): Add gcc_tdiag.
2727 (init_dynamic_diag_info): Support gcc_tdiag formats.
2728 (handle_format_attribute): Likewise.
2729 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
2730 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
2731 version for format checking to 4.1.
2732 (warning0, warning, error, pedwarn, sorry): Use
2734 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
2735 (finish_aliases_1): Do not use %qE.
2736 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
2737 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
2738 Correct format bugs.
2739 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
2740 parameter to unsigned HOST_WIDE_INT.
2741 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
2743 2005-07-02 David Edelsohn <edelsohn@gnu.org>
2746 * expr.c (write_complex_part): Use adjust_address for MEM.
2747 (read_complex_part): Same.
2749 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
2751 Fix PR tree-optimization/22280
2753 * tree-sra.c (generate_element_init): Remove useless loop.
2755 2005-07-02 Richard Henderson <rth@redhat.com>
2757 * config/alpha/alpha.c (alpha_legitimize_address): Check for
2759 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
2761 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
2764 * fold-const.c (fold_binary): Handle the return value of
2765 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
2766 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
2768 2005-07-02 Jeff Law <law@redhat.com>
2770 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
2771 a eliminate type conversion which feeds an equality comparison
2772 if the original type or either operand in the comparison is a
2775 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
2777 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
2778 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
2780 * config/avr/avr.c: Do not use '`' as left quote.
2781 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
2782 Remove "." from end of diagnostics. Make diagnostics start with
2785 2005-07-02 Zack Weinberg <zack@codesourcery.com>
2786 Joseph S. Myers <joseph@codesourcery.com>
2788 * toplev.c (default_tree_printer): Handle setting location with
2790 * c-objc.common.c (c_tree_printer): Likewise.
2791 * c-format.c (gcc_diag_flag_specs): Add '+'.
2792 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
2793 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
2795 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
2796 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
2797 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
2798 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
2799 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
2800 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
2801 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
2802 format arguments where %J is used without %D.
2804 2005-07-02 Jakub Jelinek <jakub@redhat.com>
2806 * gcc.c (LINK_SSP_SPEC): Define.
2807 (link_ssp_spec): New variable.
2808 (LINK_COMMAND_SPEC): Add %(link_ssp).
2809 (static_specs): Add link_ssp_spec.
2810 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
2811 * configure: Rebuilt.
2812 * config.in: Rebuilt.
2814 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2815 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2816 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2817 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2818 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
2819 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
2820 -0x7008(2) instead of reading __stack_chk_guard variable.
2821 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
2823 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
2824 (stack_protect_set, stack_protect_test): Use *_tls* patterns
2825 if TARGET_THREAD_SSP_OFFSET is defined.
2826 (stack_tls_protect_set_si, stack_tls_protect_set_di,
2827 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
2830 2005-06-27 Richard Henderson <rth@redhat.com>
2831 * libgcc-std.ver (GCC_4.1.0): New.
2832 * libgcc.h (__stack_chk_guard): Declare.
2833 (__stack_chk_fail, __stack_chk_fail_local): Declare.
2834 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
2835 * mklibgcc.in (lib2funcs): Add them.
2837 2005-07-01 Richard Henderson <rth@redhat.com>
2839 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
2840 void * before struct sigcontext *.
2841 (x86_fallback_frame_state): Likewise.
2843 2005-07-01 James E. Wilson <wilson@specifixinc.com>
2845 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
2847 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
2850 * tree-ssa-reassoc.c (should_transpose): Fix which operand
2851 we check for SSA_NAME for.
2853 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
2855 Fix PR tree-optimization/22071
2857 * tree-ssa-structalias.c (offset_overlaps_with_access): New
2859 (get_constraint_for_component_ref): Use it.
2861 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
2864 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
2865 print out the last new line.
2867 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
2869 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
2870 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
2871 * config/cris/cris.c (cris_conditional_register_usage): Adjust
2872 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
2873 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
2874 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
2875 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
2876 (enum reg_class): New member CC0_REGS.
2877 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
2878 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
2879 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
2880 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
2881 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2882 Adjust for register now described.
2884 2005-07-01 Jakub Jelinek <jakub@redhat.com>
2887 * config/i386/i386.md (stack_protect_test_si,
2888 stack_protect_test_di): Add earlyclobber for scratch 3.
2889 * config/rs6000/rs6000.md (stack_protect_testsi,
2890 stack_protect_testdi): Add earlyclobber for scratch 3,
2891 remove earlyclobber from scratch 4.
2893 Older entries for 2005 can be found in ChangeLog-2005.
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