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2011-06-02function.h (struct stack_usage): Remove dynamic_alloc_count field.Eric Botcazou1-29/+5
* function.h (struct stack_usage): Remove dynamic_alloc_count field. (current_function_dynamic_alloc_count): Delete. * builtins.c (expand_builtin_setjmp_setup): Do not set calls_setjmp. (expand_builtin_nonlocal_goto): Remove obsolete comment. (expand_builtin_update_setjmp_buf): Remove dead code. * cse.c (cse_find_path): Do not follow a single abnormal incoming edge. * explow.c (allocate_dynamic_stack_space): Remove SETJMP_VIA_SAVE_AREA support. * function.c (instantiate_virtual_regs): Likewise. * postreload-gcse.c (bb_has_well_behaved_predecessors): Return false for a block with a single abnormal incoming edge. * config/sparc/sparc.h (STACK_SAVEAREA_MODE): Define. * config/sparc/sparc-protos.h (load_got_register): Declare. * config/sparc/sparc.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define. (load_got_register): Make global. (sparc_frame_pointer_required): Add 'static'. (sparc_can_eliminate): Likewise. Call sparc_frame_pointer_required. (sparc_builtin_setjmp_frame_value): New function. * config/sparc/sparc.md (UNSPECV_SETJMP): Remove. (save_stack_nonlocal): New expander. (restore_stack_nonlocal): Likewise. (nonlocal_goto): Remove modes, adjust predicates and reimplement. (nonlocal_goto_internal): New insn. (goto_handler_and_restore): Delete. (builtin_setjmp_setup): Likewise. (do_builtin_setjmp_setup): Likewise. (setjmp): Likewise. (builtin_setjmp_receiver): New expander. From-SVN: r174564
2011-05-23re PR tree-optimization/15419 (memcpy pessimization)Richard Guenther1-11/+7
2011-05-23 Richard Guenther <rguenther@suse.de> PR middle-end/15419 * builtins.c (fold_builtin_memory_op): Be less restrictive about what pointer types we accept for folding. * gcc.dg/memcpy-3.c: New testcase. From-SVN: r174065
2011-04-29builtins.c (fold_builtin_classify_type): Use integer_type_node for the type ↵Richard Guenther1-17/+21
of the result. 2011-04-29 Richard Guenther <rguenther@suse.de> * builtins.c (fold_builtin_classify_type): Use integer_type_node for the type of the result. (fold_builtin_isascii): Likewise. (fold_builtin_toascii): Use integer_type_node where appropriate. (fold_builtin_logb): Likewise. (fold_builtin_frexp): Likewise. (fold_builtin_strstr): Likewise. (fold_builtin_strpbrk): Likewise. (fold_builtin_fputs): Likewise. (fold_builtin_sprintf): Likewise. (fold_builtin_snprintf): Likewise. (fold_builtin_printf): Likewise. (do_mpfr_remquo): Use a proper type for the assigned constant. (do_mpfr_lgamma_r): Likewise. * dwarf2out.c (resolve_one_addr): Use size_int. * except.c (init_eh): Likewise. (assign_filter_values): Use integer_type_node for filter values. (sjlj_emit_dispatch_table): Use integer_type_node for dispatch indices. * tree-cfg.c (move_stmt_eh_region_tree_nr): Use integer_type_node for EH region numbers. * tree-vrp.c (simplify_div_or_mod_using_ranges): Use integer_type_node for the shift amount. From-SVN: r173167
2011-04-29expr.h (expand_shift): Rename to ...Richard Guenther1-2/+1
2011-04-29 Richard Guenther <rguenther@suse.de> * expr.h (expand_shift): Rename to ... (expand_variable_shift): ... this. (expand_shift): Take a constant shift amount. * expmed.c (expand_shift): Rename to ... (expand_variable_shift): ... this. (expand_shift): New wrapper around expand_variable_shift. * expr.c (convert_move, emit_group_load_1, emit_group_store, optimize_bitfield_assignment_op, store_field, expand_expr_real_2, expand_expr_real_1, reduce_to_bit_field_precision): Adjust. * expmed.c (store_fixed_bit_field, extract_bit_field_1, extract_fixed_bit_field, extract_split_bit_field, expand_mult_const, expand_mult, expand_widening_mult, expand_mult_highpart_adjust, extract_high_half, expand_sdiv_pow2, expand_divmod, emit_cstore, emit_store_flag_1, emit_store_flag): Likewise. * builtins.c (expand_builtin_signbit): Likewise. * calls.c (load_register_parameters): Likewise. * function.c (assign_parm_setup_block): Likewise. * lower-subreg.c (resolve_shift_zext): Likewise. * optabs.c (widen_bswap, expand_abs_nojump, expand_one_cmpl_abs_nojump, expand_float): Likewise. * spu/spu.c (spu_expand_extv): Likewise. * sparc/sparc.c (sparc32_initialize_trampoline): Likewise. From-SVN: r173157
2011-04-15tree.h (ALLOCA_FOR_VAR_P): Rename to CALL_ALLOCA_FOR_VAR_P.Michael Matz1-1/+1
* tree.h (ALLOCA_FOR_VAR_P): Rename to CALL_ALLOCA_FOR_VAR_P. * builtins.c (expand_builtin): Use CALL_ALLOCA_FOR_VAR_P. * function.c (gimplify_parameters): Ditto. * gimplify.c (gimplify_vla_decl): Ditto. * gimple.h (enum gf_mask): Add GF_CALL_ALLOCA_FOR_VAR. (gimple_call_set_alloca_for_var): New inline function. (gimple_call_alloca_for_var_p): Ditto. * gimple.c (gimple_build_call_from_tree): Remember CALL_ALLOCA_FOR_VAR_P state. * cfgexpand.c (expand_call_stmt): Restore CALL_ALLOCA_FOR_VAR_P state. * tree-inline.c (inline_forbidden_p_stmt): Don't reject alloca calls if they were for VLA objects. From-SVN: r172516
2011-04-14tree.h (get_object_alignment_1): Declare.Richard Guenther1-6/+19
2011-04-14 Richard Guenther <rguenther@suse.de> * tree.h (get_object_alignment_1): Declare. * builtins.c (get_object_alignment_1): Split out worker from ... (get_object_alignment): ... here. * fold-const.c (get_pointer_modulus_and_residue): Use get_object_alignment_1. * gcc.dg/fold-bitand-4.c: Move ... * c-c++-common/fold-bitand-4.c: ... here. Adjust slightly. From-SVN: r172424
2011-03-31builtins.c (build_va_arg_indirect_ref): Use build_simple_mem_ref_loc.Michael Matz1-1/+1
* builtins.c (build_va_arg_indirect_ref): Use build_simple_mem_ref_loc. From-SVN: r171789
2011-03-28builtins.c (expand_builtin_memset_args): Use gen_int_mode instead of GEN_INT.Richard Sandiford1-5/+6
gcc/ 2011-03-28 Richard Sandiford <richard.sandiford@linaro.org> * builtins.c (expand_builtin_memset_args): Use gen_int_mode instead of GEN_INT. From-SVN: r171632
2011-03-24builtins.c (expand_movstr): Fix endp == 1 adjustment after last commit.Richard Sandiford1-2/+1
gcc/ * builtins.c (expand_movstr): Fix endp == 1 adjustment after last commit. From-SVN: r171397
2011-03-23optabs.h (emit_unop_insn, [...]): Change insn code parameter from "int" to ↵Richard Sandiford1-98/+52
"enum insn_code". gcc/ * optabs.h (emit_unop_insn, maybe_emit_unop_insn): Change insn code parameter from "int" to "enum insn_code". (expand_operand_type): New enum. (expand_operand): New structure. (create_expand_operand): New function. (create_fixed_operand, create_output_operand): Likewise (create_input_operand, create_convert_operand_to): Likewise. (create_convert_operand_from, create_address_operand): Likewise. (create_integer_operand): Likewise. (create_convert_operand_from_type, maybe_legitimize_operands): Declare. (maybe_gen_insn, maybe_expand_insn, maybe_expand_jump_insn): Likewise. (expand_insn, expand_jump_insn): Likewise. * builtins.c (expand_builtin_prefetch): Use the new interfaces. (expand_builtin_interclass_mathfn, expand_builtin_strlen): Likewise. (expand_movstr, expand_builtin___clear_cache): Likewise. (expand_builtin_lock_release): Likewise. * explow.c (allocate_dynamic_stack_space): Likewise. (probe_stack_range): Likewise. Allow check_stack to FAIL, and use the default handling in that case. * expmed.c (check_predicate_volatile_ok): Delete. (store_bit_field_1, extract_bit_field_1): Use the new interfaces. (emit_cstore): Likewise. * expr.c (emit_block_move_via_movmem): Likewise. (set_storage_via_setmem, expand_assignment): Likewise. (emit_storent_insn, try_casesi): Likewise. (emit_single_push_insn): Likewise. Allow the expansion to fail. * optabs.c (expand_widen_pattern_expr, expand_ternary_op): Likewise. (expand_vec_shift_expr, expand_binop_directly): Likewise. (expand_twoval_unop, expand_twoval_binop): Likewise. (expand_unop_direct, emit_indirect_jump): Likewise. (emit_conditional_move, vector_compare_rtx): Likewise. (expand_vec_cond_expr, expand_val_compare_and_swap_1): Likewise. (expand_sync_operation, expand_sync_fetch_operation): Likewise. (expand_sync_lock_test_and_set): Likewise. (maybe_emit_unop_insn): Likewise. Change icode to an insn_code. (emit_unop_insn): Likewise. (expand_copysign_absneg): Change icode to an insn_code. (create_convert_operand_from_type): New function. (maybe_legitimize_operand, maybe_legitimize_operands): Likewise. (maybe_gen_insn, maybe_expand_insn, maybe_expand_jump_insn): Likewise. (expand_insn, expand_jump_insn): Likewise. * config/i386/i386.md (setmem<mode>): Use nonmemory_operand rather than const_int_operand for operand 2. From-SVN: r171341
2011-03-15re PR tree-optimization/48129 (gcc.c-torture/execute/builtins/snprintf-chk.c ↵Jakub Jelinek1-3/+2
ICE) PR tree-optimization/48129 * builtins.c (fold_builtin_snprintf): Convert to type of built_in_decls[BUILT_IN_SNPRINTF] retval instead of implicit_built_in_decls[BUILT_IN_SNPRINTF] retval. From-SVN: r170985
2011-03-14re PR middle-end/47917 (snprintf(..., "const string") should be optimized ↵Jakub Jelinek1-1/+129
into memcpy) PR middle-end/47917 * builtins.c (fold_builtin_snprintf): New function. (fold_builtin_3): Call it for BUILT_IN_SNPRINTF. (fold_builtin_4): Likewise. * gcc.c-torture/execute/pr47917.c: New test. * gcc.dg/pr47917.c: New test. From-SVN: r170959
2011-03-03explow.c (emit_stack_save): Remove 'after' parameter.Richard Henderson1-8/+8
* explow.c (emit_stack_save): Remove 'after' parameter. (emit_stack_restore): Likewise. * expr.h: Update to match. * builtins.c, calls.c, stmt.c: Likewise. * config/alpha/alpha.md, config/avr/avr.md: Likewise. * config/mips/mips.md, config/pa/pa.md, config/vax/vax.md: Likewise. * function.c (expand_function_end): Insert the emit_stack_save sequence before parm_birth_insn instead of after. From-SVN: r170663
2011-02-02re PR middle-end/47566 (ICE in vn_reference_lookup)Richard Guenther1-3/+4
2011-02-02 Richard Guenther <rguenther@suse.de> PR tree-optimization/47566 * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs. * gcc.dg/lto/20110201-1_0.c: New testcase. From-SVN: r169518
2011-01-24builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN != WORDS_BIG_ENDIAN.Paul Koning1-1/+1
* builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN != WORDS_BIG_ENDIAN. From-SVN: r169174
2010-12-28* builtins.c (SLOW_UNALIGNED_ACCESS): Remove.Jie Zhang1-3/+0
From-SVN: r168293
2010-12-08PR 42694: add checks to make sure sqrt is supportedMichael Meissner1-2/+4
From-SVN: r167594
2010-12-01tree.c (build_common_builtin_nodes): Do not initialize ↵Jan Hubicka1-29/+0
BUILT_IN_PROFILE_FUNC_ENTER and BUILT_IN_PROFILE_FUNC_EXIT. * tree.c (build_common_builtin_nodes): Do not initialize BUILT_IN_PROFILE_FUNC_ENTER and BUILT_IN_PROFILE_FUNC_EXIT. * builtins.c (expand_builtin_profile_func): Remove. (expand_builtin): Do not handle BUILT_IN_PROFILE_FUNC_ENTER and BUILT_IN_PROFILE_FUNC_EXIT. * builtins.def (profile_func_enter, profile_func_exit): Remove stubs. (__cyg_profile_func_enter, __cyg_profile_func_exit): New. * gimplify.c (gimplify_function_tree): Reorganize code calling profiling functions. From-SVN: r167342
2010-11-30hwint.c: New.Joseph Myers1-1/+0
* hwint.c: New. Extracted from toplev.c. * hwint.h (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2): Move from toplev.h. * toplev.c (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2): Move to hwint.c. * toplev.h (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2): Move to hwint.h. * builtins.c, combine.c, config/i386/winnt.c, double-int.c, explow.c, expmed.c, fold-const.c, ggc-page.c, ggc-zone.c, ifcvt.c, ipa-struct-reorg.c, ira-color.c, matrix-reorg.c, omp-low.c, real.c, recog.c, reload.c, rtlanal.c, simplify-rtx.c, stor-layout.c, tree-dfa.c, tree-ssa-alias.c, tree-ssa-loop-niter.c, tree-vect-data-refs.c, tree-vect-loop-manip.c, tree-vect-loop.c, tree-vect-stmts.c, tree-vrp.c: Don't include toplev.h. * genattrtab.c, genconditions.c, genemit.c, genextract.c, genoutput.c, genpeep.c, genpreds.c, genrecog.c: Don't include toplev.h in generated output. * Makefile.in (OBJS-common): Add hwint.o. Dependencies for above files changed to remove toplev.h. (hwint.o): New. (insn-attrtab.o, insn-emit.o, insn-extract.o, insn-output.o, insn-peep.o, insn-preds.o, insn-recog.o): Don't depend on toplev.h. * config/i386/t-cygming (winnt.o): Don't depend on toplev.h. * config/i386/t-interix (winnt.o): Don't depend on toplev.h. fortran: * trans-common.c: Don't include toplev.h. java: * boehm.c: Don't include toplev.h. * Make-lang.in (java/boehm.o): Don't depend on toplev.h. lto: * lto-object.c: Don't include toplev.h. * Make-lang.in (lto/lto-object.o): Don't depend on toplev.h. From-SVN: r167301
2010-11-26re PR middle-end/46647 (Can't inline memset with -1)Jakub Jelinek1-2/+2
PR middle-end/46647 * builtins.c (fold_builtin_memset): Check c is INTEGER_CST instead of host_integerp check. Use TREE_INT_CST_LOW instead of tree_low_cst. * gcc.dg/pr46647.c: New test. From-SVN: r167170
2010-11-25Properly cast integer constant char. H.J. Lu1-2/+2
gcc/ 2010-11-25 H.J. Lu <hongjiu.lu@intel.com> PR middle-end/46647 * builtins.c (target_char_cast): Check INTEGER_CST instead of host_integerp. Replace tree_low_cst with TREE_INT_CST_LOW. gcc/testsuite/ 2010-11-25 H.J. Lu <hongjiu.lu@intel.com> PR middle-end/46647 * gcc.target/i386/pr46647.c: New. From-SVN: r167146
2010-11-18re PR middle-end/46534 (ICE optimizing printf ("...>10MBstring\n") into puts)Jakub Jelinek1-6/+19
PR middle-end/46534 * builtins.c (fold_builtin_printf): Don't copy and modify string before build_string_literal, instead modify what build_string_literal returned. * gcc.c-torture/compile/pr46534.c: New test. From-SVN: r166918
2010-11-17builtins.c (expand_builtin_mathfn_2, [...]): Do not expand errno setting ↵Jan Hubicka1-1/+5
variant when optimizing for size. * builtins.c (expand_builtin_mathfn_2, expand_builtin_mathfn): Do not expand errno setting variant when optimizing for size. From-SVN: r166879
2010-11-16builtins.c (std_gimplify_va_arg_expr): Use targetm.calls.function_arg_boundary.Nathan Froyd1-1/+1
* builtins.c (std_gimplify_va_arg_expr): Use targetm.calls.function_arg_boundary. * function.c (assign_parms, locate_and_pad_parm): Likewise. * calls.c (struct arg_data): Update comment. * defaults.h (FUNCTION_ARG_BOUNDARY): Delete. * target.def (function_arg_boundary): Define. * targhooks.h (default_function_arg_boundary): Declare. * targhooks.c (default_function_arg_boundary): Define. * doc/tm.texi.in (FUNCTION_ARG_PADDING): Use TARGET_FUNCTION_ARG_BOUNDARY. (FUNCTION_ARG_BOUNDARY): Delete. (TARGET_FUNCTION_ARG_BOUNDARY): New. * doc/tm.texi: Regenerate. * system.h (FUNCTION_ARG_BOUNDARY): Poison. * config/arc/arc.h (FUNCTION_ARG_BOUNDARY): Delete. * config/arc/arc.c (arc_function_arg_boundary): Define. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/arm/arm.h (FUNCTION_ARG_BOUNDARY): Delete. * config/arm/arm-protos.h (arm_needs_doubleword_align): Delete. * config/arm/arm.c (arm_needs_doubleword_align): Make static. (arm_function_arg_boundary): Define. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/frv/frv.h (FUNCTION_ARG_BOUNDARY): Delete. * config/frv/frv-protos.h (frv_function_arg_boundary): Delete. * config/frv/frv.c (frv_function_arg_boundary): Make static. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/i386/i386.h (FUNCTION_ARG_BOUNDARY): Delete. * config/i386/i386-protos.h (ix86_function_arg_boundary): Delete. * config/i386/i386.c (ix86_function_arg_boundary): Make static. (ix86_compat_function_arg_boundary): Take and return unsigned int. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Delete. * config/ia64/ia64-protos.h (ia64_function_arg_boundary): Delete. * config/ia64/ia64.c (ia64_function_arg_boundary): Make static. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/m32c/m32c.h (FUNCTION_ARG_BOUNDARY): Delete. * config/m32c/m32c.c (m32c_function_arg_boundary): Define. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/m32r/m32r.h (FUNCTION_ARG_BOUNDARY): Delete. * config/mcore/mcore.h (FUNCTION_ARG_BOUNDARY): Delete. * config/mcore/mcore.c (mcore_function_arg_boundary): Define. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Delete. * config/mips/mips-protos.h (mips_function_arg_boundary): Delete. * config/mips/mips.c (mips_function_arg_boundary): Make static. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/pa/pa.h (FUNCTION_ARG_BOUNDARY): Delete. * config/pa/pa.c (pa_function_arg_boundary): Define. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/picochip/picochip.h (FUNCTION_ARG_BOUNDARY): Delete. * config/picochip/picochip-protos.h (picochip_get_function_arg_boundary): Delete. * config/picochip/picochip.c (picochip_get_function_arg_boundary): Rename to... (picochip_function_arg_boundary): ...this. Make static. (picochip_function_arg, picochip_arg_partial_bytes): Adjust. (picochip_arg_advance): Adjust. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/rs6000/rs6000.h (FUNCTION_ARG_BOUNDARY): Delete. * config/rs6000/rs6000-protos.h (function_arg_boundary): Delete. * config/rs6000/rs6000.c (function_arg_boundary): Rename to... (rs6000_function_arg_boundary): ...this. Make static. (rs6000_parm_start, rs6000_gimplify_va_arg): Adjust. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/rx/rx.h (FUNCTION_ARG_BOUNDARY): Delete. * config/rx/rx.c (rx_function_arg_boundary): Define. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/sparc/sparc.h (FUNCTION_ARG_BOUNDARY): Delete. * config/sparc/sparc.c (sparc_function_arg_boundary): Define. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Delete. * config/xtensa/xtensa-protos.h (function_arg_boundary): Delete. * config/xtensa/xtensa.c (function_arg_boundary): Rename to... (xtensa_function_arg_boundary): ...this. Make static. (TARGET_FUNCTION_ARG_BOUNDARY): Define. From-SVN: r166803
2010-11-04tree.def (FMA_EXPR): New tree code.Richard Guenther1-4/+35
2010-11-04 Richard Guenther <rguenther@suse.de> Richard Henderson <rth@redhat.com> * tree.def (FMA_EXPR): New tree code. * expr.c (expand_expr_real_2): Add FMA_EXPR expansion code. * gimple.c (gimple_rhs_class_table): FMA_EXPR is a GIMPLE_TERNARY_RHS. * tree-cfg.c (verify_gimple_assign_ternary): Verify FMA_EXPR types. * tree-inline.c (estimate_operator_cost): Handle FMA_EXPR. * gimple-pretty-print.c (dump_ternary_rhs): Likewise. * tree-ssa-math-opts.c (convert_mult_to_fma): New function. (execute_optimize_widening_mul): Call it. Reorganize to allow dead stmt removal. Move TODO flags ... (pass_optimize_widening_mul): ... here. * flag-types.h (enum fp_contract_mode): New enum. * common.opt (flag_fp_contract_mode): New variable. (-ffp-contract): New option. * opts.c (common_handle_option): Handle it. * doc/invoke.texi (-ffp-contract): Document. * tree.h (fold_fma): Declare. * builtins.c (fold_fma): New function. (fold_builtin_fma): Likewise. (fold_builtin_3): Call it for fma. * fold-const.c (fold_ternary_loc): Fold FMA_EXPR. * optabs.c (optab_for_tree_code): Handle FMA_EXPR. * config/i386/sse.md (fms<mode>4, fnma<mode>, fnms<mode>4): New expanders. * doc/md.texi (fms<mode>4, fnma<mode>, fnms<mode>4): Document new named patterns. * genopinit.c (optabs): Initialize fms_optab, fnma_optab and fnms_optab. * optabs.h (enum optab_index): Add OTI_fms, OTI_fnma and OTI_fnms. (fms_optab, fnma_optab, fnms_optab): New defines. * gimplify.c (gimplify_expr): Handle binary truth expressions explicitly. Handle FMA_EXPR. * tree-vect-stmts.c (vectorizable_operation): Handle ternary operations. * gcc.target/i386/fma4-vector-2.c: New testcase. Co-Authored-By: Richard Henderson <rth@redhat.com> From-SVN: r166304
2010-11-03re PR middle-end/46251 (ICE: in expand_expr_real_2, at expr.c:7276 with ↵Richard Guenther1-2/+7
-funsafe-math-optimizations -mbionic and __builtin_sincosl()) 2010-11-03 Richard Guenther <rguenther@suse.de> PR middle-end/46251 * builtins.c (expand_builtin_sincos): Properly build MEM_REFs, not INDIRECT_REFs. * gcc.dg/pr46251.c: New testcase. From-SVN: r166235
2010-11-03builtins.c (fold_builtin_signbit): Use build_zero_cst instead of fold_convert.Nathan Froyd1-4/+3
gcc/ * builtins.c (fold_builtin_signbit): Use build_zero_cst instead of fold_convert. * c-typeck.c (build_function_call_vec): Likewise. * cfgexpand.c (expand_debug_expr): Likewise. * cgraphunit.c (assemble_thunk): Likewise. * config/sparc/sparc.c (sparc_fold_builtin): Likewise. * fold-const.c (fold_unary_loc, fold_mult_zconjz): Likewise. (fold_binary_loc, fold_ternary_loc): Likewise. * gimple-fold.c (get_symbol_constant_value): Likewise. * gimple-low.c (lower_builtin_setjmp): Likewise. * gimple.c (gimple_cond_get_ops_from_tree): Likewise. * gimplify.c (gimplify_init_constructor): Likewise. * lambda.h (build_linear_expr): Likewise. * omp-low.c (omp_reduction_init): Likewise. * tree-inline.c (remap_ssa_name): Likewise. * tree-object-size.c (compute_object_sizes): Likewise. * tree-sra.c (init_subtree_with_zero): Likewise. (sra_ipa_modify_assign): Likewise. * tree-ssa-copy.c (propagate_tree_value_into_stmt): Likewise. * tree-ssa-reassoc.c (eliminate_duplicate_pair): Likewise. (eliminate_plus_minus_pair, eliminate_not_pairs): Likewise. (undistribute_ops_list): Likewise. * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise. * tree-vect-stmts.c (vectorizable_call): Likewise. * tree.c (build_vector_from_ctor, build_one_cst): Likewise. (build_zero_cst): Handle more cases directly. Update comment. gcc/cp/ * class.c (build_base_path, add_vcall_offset): Use build_zero_cst instead of fold_convert. * init.c (build_zero_init): Likewise. * typeck.c (cp_build_binary_op): Likewise. gcc/fortran/ * trans-decl.c (add_argument_checking): Use build_zero_cst instead of fold_convert. * trans-expr.c (gfc_conv_missing_dummy, fill_with_spaces): Likewise. * trans-stmt.c (gfc_trans_do): Likewise. From-SVN: r166227
2010-10-31tree.h (EXPR_LOC_OR_HERE): New macro.Jason Merrill1-4/+1
* tree.h (EXPR_LOC_OR_HERE): New macro. * builtins.c (c_strlen): Use it. * c-decl.c (build_enumerator): Likewise. * gimplify.c (internal_get_tmp_var): Likewise. (shortcut_cond_expr): Likewise. (gimplify_one_sizepos): Likewise. c-family/ * c-common.c (conversion_warning, warn_for_collisions_1): Use EXPR_LOC_OR_HERE. cp/ * decl.c (pop_switch): Use EXPR_LOC_OR_HERE. * typeck.c (convert_for_assignment): Likewise. From-SVN: r166123
2010-10-27tm.texi.in (TARGET_GET_RAW_RESULT_MODE): New.Steve Ellcey1-2/+2
2010-10-27 Steve Ellcey <sje@cup.hp.com> * doc/tm.texi.in (TARGET_GET_RAW_RESULT_MODE): New. (TARGET_GET_RAW_ARG_MODE): New. * doc/tm.texi: Regenerate. * target.def (get_raw_result_mode): New. (get_raw_arg_mode): New. * targhooks.c (default_get_reg_raw_mode): New. * targhooks.h (default_get_reg_raw_mode): New. * builtins.c (apply_args_size): Use targetm.calls.get_raw_arg_mode. (apply_result_size): Ditto. * config/ia64/ia64.c (ia64_get_reg_raw_mode): New. (TARGET_GET_RAW_RESULT_MODE): Define. (TARGET_GET_RAW_ARG_MODE): Ditto. From-SVN: r166021
2010-10-18Fix PR 46041Michael Meissner1-8/+0
From-SVN: r165666
2010-10-15Add fma supportMichael Meissner1-0/+87
From-SVN: r165515
2010-10-09re PR rtl-optimization/33721 ([meta-bug] Gcc can't properly align stack ↵Richard Henderson1-8/+7
variable) PR rtl-opt/33721 * explow.c (allocate_dynamic_stack_space): Add REQUIRED_ALIGN parm, remove TARGET parm, convert KNOWN_ALIGN parm to SIZE_ALIGN. Honor required_align, tidy the code a bit. Emit split_stack code in the right place. Mark the return value with the alignment properly. * expr.h (allocate_dynamic_stack_space): Update decl. * builtins.c (expand_builtin_apply): Update call to allocate_dynamic_stack_space. (expand_builtin_alloca): Likewise. Remove TARGET parameter. * calls.c (initialize_argument_information): Update call to allocate_dynamic_stack_space. (expand_call): Likewise. * cfgexpand.c (get_decl_align_unit): Don't limit alignment. Don't update_stack_alignment here. (alloc_stack_frame_space): Make ALIGN unsigned. (stack_var_cmp): Sort by alignment too. (partition_stack_vars): Don't merge large and small alignment vars. (expand_one_stack_var_at): Add BASE and BASE_ALIGN parameters. Take care when BASE is not virtual_stack_vars_rtx. (expand_stack_vars): Allocate dynamic stack space for large alignment variables. (expand_one_stack_var): Update all to expand_one_stack_var_at. (defer_stack_allocation): True for large alignment vars. (update_stack_alignment): Merge into ... (expand_one_var): ... here. (gimple_expand_cfg): Place code from expand_stack_vars. From-SVN: r165240
2010-10-09builtins.c (fold_call_stmt): Don't copy gimple call arguments into a ↵Nathan Froyd1-11/+5
temporary array. * builtins.c (fold_call_stmt): Don't copy gimple call arguments into a temporary array. From-SVN: r165213
2010-10-08builtins.c (rewrite_call_expr): Move code to...Nathan Froyd1-220/+107
* builtins.c (rewrite_call_expr): Move code to... (rewrite_call_expr_valist): ...here. Call build_call_expr_loc_array. (rewrite_call_expr_array): New function. (fold_builtin_sprintf_chk_1): New function. (fold_builtin_sprintf_chk): Call it. (gimple_fold_builtin_sprintf_chk): Likewise. (fold_builtin_snprintf_chk_1): New function. (fold_builtin_snprintf_chk): Call it. (gimple_fold_builtin_snprintf_chk): Likewise. (gimple_rewrite_call_expr): Delete. From-SVN: r165146
2010-09-29optc-gen.awk: Generate global_options initializer instead of individual ↵Joseph Myers1-1/+1
variables. gcc: * optc-gen.awk: Generate global_options initializer instead of individual variables. Add x_ prefix to names of structure members. * opth-gen.awk: Generate gcc_options structure. Add x_ prefix to names of structure members. * doc/tm.texi.in (HARD_FRAME_POINTER_IS_FRAME_POINTER, HARD_FRAME_POINTER_IS_ARG_POINTER): Document. * doc/tm.texi: Regenerate. * alias.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER * builtins.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER. * c-parser.c (disable_extension_diagnostics, restore_extension_diagnostics): Update names of cpp_options members. * combine.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER * common.opt (fcompare-debug-second): Don't use Var. * config/alpha/alpha.h (target_flags): Remove. * config/arm/arm.h (HARD_FRAME_POINTER_IS_FRAME_POINTER, HARD_FRAME_POINTER_IS_ARG_POINTER): Define. * config/bfin/bfin.h (target_flags): Remove. * config/cris/cris.h (target_flags): Remove. * config/i386/i386-c.c (ix86_pragma_target_parse): Update names of cl_target_option members. * config/i386/i386.c (ix86_force_align_arg_pointer): Remove. (ix86_function_specific_print, ix86_valid_target_attribute_tree, ix86_can_inline_p): Update names of cl_target_option members. * config/i386/i386.h (ix86_isa_flags): Remove. * config/lm32/lm32.h (target_flags): Remove. * config/mcore/mcore.h (mcore_stack_increment): Remove. * config/mcore/mcore.md (addsi3): Remove extern declaration of flag_omit_frame_pointer. * config/mep/mep.h (target_flags): Remove. * config/mips/mips.h (HARD_FRAME_POINTER_IS_FRAME_POINTER, HARD_FRAME_POINTER_IS_ARG_POINTER): Define. * config/mmix/mmix.h (target_flags): Remove. * config/rs6000/rs6000.h (rs6000_xilinx_fpu, flag_pic, flag_expensive_optimizations): Remove. * config/s390/s390.h (flag_pic): Remove. * config/score/score-conv.h (target_flags): Remove. * config/sh/sh.h (sh_fixed_range_str): Remove. * config/spu/spu.h (target_flags, spu_fixed_range_string): Remove. * dbxout.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER * df-scan.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER. * diagnostic.c (diagnostic_initialize): Update names of diagnostic_context members. * diagnostic.h (diagnostic_context): Rename inhibit_warnings and warn_system_headers. (diagnostic_report_warnings_p): Update for new names. * dwarf2out.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER * emit-rtl.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER and HARD_FRAME_POINTER_IS_ARG_POINTER. * flags.h (flag_compare_debug): Declare. * ira.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER * opts.c (flag_compare_debug): Define. (common_handle_option): Update names of diagnostic_context members. Handle -fcompare-debug-second. (fast_math_flags_struct_set_p): Update names of cl_optimization members. * reginfo.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER. * regrename.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER. * reload.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER. * reload1.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER. * resource.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER. * rtl.h (HARD_FRAME_POINTER_IS_FRAME_POINTER, HARD_FRAME_POINTER_IS_ARG_POINTER): Define and use. * sel-sched.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER * stmt.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER. gcc/c-family: * c-common.c (c_cpp_error): Update names of diagnostic_context members. * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Update names of cl_optimization members. * c-opts.c (warning_as_error_callback, c_common_handle_option, sanitize_cpp_opts, finish_options): Update names of cpp_options members. gcc/fortran: * cpp.c (cpp_define_builtins): Update names of gfc_option_t members. (gfc_cpp_post_options): Update names of cpp_options members. (cb_cpp_error): Update names of diagnostic_context members. * f95-lang.c (gfc_init_builtin_functions): Update names of gfc_option_t members. * gfortran.h (gfc_option_t): Rename warn_conversion and flag_openmp. * intrinsic.c (gfc_convert_type_warn): Update names of gfc_option_t members. * options.c (gfc_init_options, gfc_post_options, set_Wall, gfc_handle_option): Update names of gfc_option_t members. * parse.c (next_free, next_fixed): Update names of gfc_option_t members. * scanner.c (pedantic): Remove extern declaration. (skip_free_comments, skip_fixed_comments, include_line): Update names of gfc_option_t members. * trans-decl.c (gfc_generate_function_code): Update names of gfc_option_t members. gcc/java: * java-tree.h (flag_filelist_file, flag_assert, flag_jni, flag_force_classes_archive_check, flag_redundant, flag_newer, flag_use_divide_subroutine, flag_use_atomic_builtins, flag_use_boehm_gc, flag_hash_synchronization, flag_check_references, flag_optimize_sci, flag_indirect_classes, flag_indirect_dispatch, flag_store_check, flag_reduced_reflection): Remove. * jcf-dump.c (flag_newer): Remove. * jcf.h (quiet_flag): Remove. * parse.h (quiet_flag): Remove. libcpp: * include/cpplib.h (cpp_options): Rename warn_deprecated, warn_traditional, warn_long_long and pedantic. * directives.c (directive_diagnostics, _cpp_handle_directive): Update names of cpp_options members. * expr.c (cpp_classify_number, eval_token): Update names of cpp_options members. * init.c (cpp_create_reader, post_options): Update names of cpp_options members. * internal.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Update names of cpp_options members. * macro.c (parse_params): Update names of cpp_options members. From-SVN: r164723
2010-09-17re PR rtl-optimization/45678 (crash on vector code with -m32 -msse)Richard Guenther1-14/+35
2010-09-17 Richard Guenther <rguenther@suse.de> PR middle-end/45678 * builtins.c (fold_builtin_memory_op): Always properly adjust alignment of memory accesses. From-SVN: r164356
2010-09-14re PR middle-end/45567 (__builtin_popcountl ICEs with -ftree-ter)Jakub Jelinek1-17/+18
PR middle-end/45567 * builtins.c (expand_builtin_interclass_mathfn, expand_builtin_cexpi, expand_builtin_powi): Remove subtarget argument, pass NULL_RTX instead. (expand_builtin): Adjust caller. (expand_builtin_unop): Only use subtarget if it has the right mode. * gcc.dg/pr45567.c: New test. From-SVN: r164274
2010-09-06tree.def (MISALIGNED_INDIRECT_REF): Remove.Richard Guenther1-5/+0
2010-09-06 Richard Guenther <rguenther@suse.de> * tree.def (MISALIGNED_INDIRECT_REF): Remove. * tree.h (INDIRECT_REF_P): Only check for INDIRECT_REF. (build_aligned_type): Declare. * tree.c (check_qualified_type): Also compare TYPE_ALIGN. (check_aligned_type): New function. (build_aligned_type): Likewise. * expr.c (expand_assignment): Handle misaligned stores via TARGET_MEM_REF and MEM_REF using movmisalign_optab. (expand_expr_real_1): Likewise. (safe_from_p): Remove MISALIGNED_INDIRECT_REF handling. * tree-vect-stmts.c (vectorizable_store): Do not build MISALIGNED_INDIRECT_REF but initialize alignment information. (vectorizable_load): Likewise. * builtins.c (get_object_alignment): Remove MISALIGNED_INDIRECT_REF handling. * cfgexpand.c (expand_debug_expr): Likewise. * dwarf2out.c (loc_list_from_tree): Likewise. * fold-const.c (maybe_lvalue_p): Likewise. (operand_equal_p): Likewise. (build_fold_addr_expr_with_type_loc): Likewise. * gimplify.c (gimplify_addr_expr): Likewise. (gimplify_expr): Likewise. * tree-cfg.c (verify_types_in_gimple_min_lval): Likewise. (verify_gimple_assign_single): Likewise. * tree-dump.c (dequeue_and_dump): Likewise. (tree_could_trap_p): Likewise. * tree-predcom.c (ref_at_iteration): Likewise. * tree-pretty-print.c (dump_generic_node): Likewise. (op_code_prio): Likewise. (op_symbol_code): Likewise. * tree-ssa-ccp.c (get_value_from_alignment): Likewise. * tree-ssa-loop-im.c (for_each_index): Likewise. (gen_lsm_tmp_name): Likewise. * tree-ssa-loop-ivopts.c (idx_find_step): Likewise. (find_interesting_uses_address): Likewise. * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise. * tree-ssa-operands.c (get_expr_operands): Likewise. * tree-ssa-pre.c (create_component_ref_by_pieces_1): Likewise. * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise. (ao_ref_init_from_vn_reference): Likewise. * tree.c (staticp): Likewise. (build1_stat): Likewise. (reference_alias_ptr_type): Likewise. * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise. * config/rs6000/rs6000.c (rs6000_check_sdmode): Remove MISALIGNED_INDIRECT_REF handling. From-SVN: r163915
2010-09-03tree.def (TARGET_MEM_REF): Merge TMR_SYMBOL and TMR_BASE.Richard Guenther1-19/+2
2010-09-03 Richard Guenther <rguenther@suse.de> * tree.def (TARGET_MEM_REF): Merge TMR_SYMBOL and TMR_BASE. Move TMR_OFFSET to second operand. Add TMR_INDEX2. * tree.h (TMR_SYMBOL): Remove. (TMR_BASE, TMR_OFFSET): Adjust. (TMR_INDEX2): New. * alias.c (ao_ref_from_mem): Use TMR_BASE. * builtins.c (get_object_alignment): Merge TMR_BASE and TMR_SYMBOL handling. * cfgexpand.c (expand_debug_expr): Use TMR_BASE. * gimple.c (get_base_address): Merge MEM_REF and TARGET_MEM_REF handling. Also allow TARGET_MEM_REF as base address. (walk_stmt_load_store_addr_ops): TMR_BASE is always non-NULL. * gimplify.c (gimplify_expr): Gimplify TMR_BASE like MEM_REF base. Gimplify TMR_INDEX2. * tree-cfg.c (verify_types_in_gimple_reference): Adjust. * tree-dfa.c (get_ref_base_and_extent): Likewise. (get_addr_base_and_unit_offset): Likewise. * tree-eh.c (tree_could_trap_p): Likewise. * tree-pretty-print.c (dump_generic_node): Likewise. * tree-ssa-address.c (tree_mem_ref_addr): Simplify. Handle TMR_INDEX2. (create_mem_ref_raw): Merge symbol and base. Move 2ndary base to index2. (get_address_description): Reconstruct addres description from merged TMR_BASE and TMR_INDEX2. (maybe_fold_tmr): Fold propagated addresses. * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Merge MEM_REF and TARGET_MEM_REF paths. (indirect_refs_may_alias_p): Likewise. * tree-ssa-live.c (mark_all_vars_used_1): Handle TMR_INDEX2 instead of TMR_SYMBOL. * tree-ssa-operands.c (get_tmr_operands): Simplify. * tree-ssa-pre.c (create_component_ref_by_pieces_1): Adjust according to changes ... * tree-ssa-sccvn.c (copy_reference_ops_from_ref): ... here. Split TARGET_MEM_REF into two fields plus the base. * tree.c (mem_ref_offset): Simplify. * tree-ssa-loop-im.c (for_each_index): Handle TMR_INDEX2. * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise. Strip NOPs when folding MEM_REF addresses. * tree-ssa-sink.c (is_hidden_global_store): Handle TARGET_MEM_REF. * gimple-fold.c (maybe_fold_reference): Fold TARGET_MEM_REF here ... (fold_gimple_assign): ... not here. From-SVN: r163802
2010-09-01alias.c (ao_ref_from_mem): Adjust.Richard Guenther1-1/+4
2010-09-01 Richard Guenther <rguenther@suse.de> * alias.c (ao_ref_from_mem): Adjust. * builtins.c (get_object_alignment): Likewise. * cfgexpand.c (expand_debug_expr): Likewise. * gimple.c (get_base_address): Likewise. * tree-dfa.c (get_ref_base_and_extent): Likewise. (get_addr_base_and_unit_offset): Likewise. Fix for both TMR_SYMBOL and TMR_BASE being set. * tree-eh.c (tree_could_trap_p): Likewise. * gimplify.c (gimplify_expr): Do not attempt to gimplify TMR_SYMBOL. Always gimplify TMR_BASE. * tree-cfg.c (verify_types_in_gimple_reference): Verify TMR_BASE if there is a TMR_SYMBOL. * tree-pretty-print.c (dump_generic_node): Adjust. * tree-ssa-address.c (addr_for_mem_ref): Likewise. (tree_mem_ref_addr): Likewise. (create_mem_ref_raw): Likewise. (move_fixed_address_to_symbol): Likewise. (create_mem_ref): Likewise. (dump_mem_address): Likewise. * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Adjust. Fix for both TMR_SYMBOL and TMR_BASE being set. (indirect_refs_may_alias_p): Likewise. * tree-ssa-operands.c (get_tmr_operands): Adjust. * tree.def (TARGET_MEM_REF): Adjust documentation. From-SVN: r163733
2010-08-31re PR middle-end/45461 (ICE: verify_gimple failed: INDIRECT_REF in gimple IL ↵Jakub Jelinek1-1/+1
with -fshort-enums and va_arg) PR middle-end/45461 * builtins.c (dummy_object): Return a MEM_REF instead of INDIRECT_REF. * gcc.dg/pr45461.c: New test. From-SVN: r163678
2010-08-30Stack usage supportEric Botcazou1-9/+15
Stack usage support * common.opt (-fstack-usage): New option. * doc/invoke.texi (Debugging options): Document it. * builtins.c (expand_builtin_apply): Pass TRUE as 4th argument to allocate_dynamic_stack_space. (expand_builtin_alloca): Add 4th bool parameter CANNOT_ACCUMULATE and propagate it to allocate_dynamic_stack_space. (expand_builtin) <BUILT_IN_ALLOCA>: Adjust for above change. * calls.c (initialize_argument_information): Pass TRUE as 4th argument to allocate_dynamic_stack_space. (expand_call): Set current_function_has_unbounded_dynamic_stack_size to 1 when pushing a variable-sized argument onto the stack. Pass TRUE as 4th argument to allocate_dynamic_stack_space. Update current_function_pushed_stack_size. (emit_library_call_value_1): Likewise. * explow.c (allocate_dynamic_stack_space): Add 4th bool parameter CANNOT_ACCUMULATE. If flag_stack_usage, look into the size and attempt to find an upper bound. Remove redundant code for the SETJMP_VIA_SAVE_AREA case. * expr.h (allocate_dynamic_stack_space): Add 4th bool parameter. * function.h (struct stack_usage): New structure. (current_function_static_stack_size): New macro. (current_function_dynamic_stack_size): Likewise. (current_function_pushed_stack_size): Likewise. (current_function_dynamic_alloc_count): Likewise. (current_function_has_unbounded_dynamic_stack_size): Likewise. (current_function_allocates_dynamic_stack_space): Likewise. (struct function): Add new field 'su'. * function.c (instantiate_virtual_regs): If SETJMP_VIA_SAVE_AREA, add the value of the dynamic offset to the dynamic stack usage. (gimplify_parameters): Set ALLOCA_FOR_VAR_P on call to BUILT_IN_ALLOCA for variable-sized objects. (prepare_function_start): Allocate cfun->su if flag_stack_usage. (rest_of_handle_thread_prologue_and_epilogue): Call output_stack_usage. * gimplify.c (gimplify_decl_expr): Set ALLOCA_FOR_VAR_P on call to BUILT_IN_ALLOCA for variable-sized objects. * output.h (output_stack_usage): Declare. * toplev.c (stack_usage_file): New file pointer. (output_stack_usage): New function. (open_auxiliary_file): Likewise. (lang_dependent_init): Open file if flag_stack_usage is set. (finalize): Close file if stack_usage_file is not null. * tree.h (ALLOCA_FOR_VAR_P): New macro. * config/alpha/alpha.c (compute_frame_size): New function. (alpha_expand_prologue): Use it. (alpha_start_function): Likewise. (alpha_expand_epilogue): Likewise. Set stack usage info. * config/i386/i386.c (ix86_expand_prologue): Likewise. * config/ia64/ia64.c (ia64_expand_prologue): Likewise. * config/mips/mips.c (mips_expand_prologue): Likewise. * config/pa/pa.c (hppa_expand_prologue): Likewise. * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise. * config/sparc/sparc.c (sparc_expand_prologue): Likewise. testsuite/ * lib/gcc-dg.exp (cleanup-stack-usage): New procedure. * lib/scanasm.exp (scan-stack-usage): Likewise. (scan-stack-usage-not): Likewise. * gcc.dg/stack-usage-1.c: New test. * gcc.target/i386/stack-usage-realign.c: Likewise. From-SVN: r163660
2010-08-30re PR middle-end/21602 (builtin memmove could be memcpy if src and dst don't ↵Richard Guenther1-0/+21
alias) 2010-08-30 Richard Guenther <rguenther@suse.de> PR tree-optimization/21602 * builtins.c (fold_builtin_memory_op): Fold memmove to memcpy using points-to information. From-SVN: r163646
2010-08-26re PR tree-optimization/44485 (ICE in get_expr_operands, at ↵Jakub Jelinek1-2/+3
tree-ssa-operands.c:1020) PR tree-optimization/44485 * calls.c (flags_from_decl_or_type): For const or pure noreturn functions return ECF_LOOPING_CONST_OR_PURE|ECF_NORETURN together with ECF_CONST resp. ECF_PURE. * builtins.c (expand_builtin): Use flags_from_decl_or_type instead of querying flags directly. * tree-ssa-loop-niter.c (finite_loop_p): Likewise. * tree-ssa-dce.c (find_obviously_necessary_stmts): Likewise. * gcc.dg/pr44485.c: New test. From-SVN: r163568
2010-08-20re PR middle-end/44974 (Function with attribute noreturn omits a call to ↵Jakub Jelinek1-1/+2
another function with noreturn) PR middle-end/44974 * builtins.c (expand_builtin): Don't optimize away calls to DECL_LOOPING_CONST_OR_PURE_P builtins. * gcc.dg/pr44974.c: New test. From-SVN: r163415
2010-08-12builtins.c (fold_builtin_memory_op): Avoid -Wsign-compare warning.Jakub Jelinek1-1/+1
* builtins.c (fold_builtin_memory_op): Avoid -Wsign-compare warning. From-SVN: r163192
2010-08-12tree-flow.h (struct ptr_info_def): Add align and misalign fields.Richard Guenther1-62/+78
2010-08-12 Richard Guenther <rguenther@suse.de> * tree-flow.h (struct ptr_info_def): Add align and misalign fields. * tree-ssa-alias.c (get_ptr_info): Move ... * tree-ssanames.c (get_ptr_info): ... here. Initialize align and misalign fields conservatively. * tree-ssa-ccp.c (ccp_finalize): From partially constant pointers derive alignment information. (evaluate_stmt): Derive alignment information from memory allocation functions. * tree.h (get_pointer_alignment): Make unsigned. * builtins.c (get_object_alignment): Use alignment information we have computed for pointers. (get_pointer_alignment): Likewise. Make conservative, return and unsigned value. (expand_builtin_strlen): Adjust. (expand_builtin_memcmp): Likewise. (expand_builtin_strcmp): Likewise. (expand_builtin_strncmp): Likewise. (get_builtin_sync_mem): Use at least mode alignment. (fold_builtin_memset): Adjust. (fold_builtin_memory_op): Likewise. * gimple-pretty-print.c (dump_gimple_phi): Alongside alias information also dump pointer alignment knowledge. (dump_gimple_stmt): Likewise. From-SVN: r163189
2010-08-10tree.h (get_object_alignment): Adjust prototype.Richard Guenther1-65/+119
2010-08-10 Richard Guenther <rguenther@suse.de> * tree.h (get_object_alignment): Adjust prototype. * builtins.c (get_object_alignment): Return unsigned int, drop the align parameter. Handle MEM_REF, MISALIGNED_INDIRECT_REF and TARGET_MEM_REF properly. (get_pointer_alignment): Adjust. * emit-rtl.c (get_mem_align_offset): Adjust comment. (set_mem_attributes_minus_bitpos): Adjust. * tree-ssa-ccp.c (get_value_from_alignment): Adjust. From-SVN: r163051
2010-08-09builtins.c (fold_builtin_next_arg): Use stdarg_p.Nathan Froyd1-3/+1
gcc/ * builtins.c (fold_builtin_next_arg): Use stdarg_p. * config/arm/arm.c (arm_get_pcs_model): Likewise. * config/avr/avr.c (init_cumulative_args): Likewise. * config/iq2000/iq2000.c (iq2000_expand_prologue): Likewise. * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise. * config/m68k/m68k.c (m68k_return_pops_args): Likewise. * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise. * config/pa/pa.c (hppa_builtin_saveregs): Likewise. * config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Likewise. * config/rs6000/rs6000.c (init_cumulative_args): Likewise. * dwarf2out.c (gen_subprogram_die): Likewise. * function.c (allocate_struct_function): Likewise. * c-aux-info.c (gen_formal_list_for_func_dec): Likewise. (deserves_ellipsis): Delete. gcc/cp/ * tree.c (varargs_function_p): Use stdarg_p. From-SVN: r163033
2010-08-05Replace exact_log2(x & -x) in favor of more direct computation.Richard Henderson1-6/+6
* toplev.h (ctz_hwi, clz_hwi, ffs_hwi): New. (floor_log2): Use clz_hwi. (exact_log2): Use ctz_hwi. * toplev.c (ctz_hwi, clz_hwi, ffs_hwi): New. * builtins.c (fold_builtin_bitop): Use them. * simplify-rtx.c (simplify_const_unary_operation): Likewise. * combine.c (get_pos_from_mask): Use ctz_hwi. * double-int.c (double_int_ctz): Likewise. * explow.c (force_reg): Likewise. * tree.h (SET_DECL_OFFSET_ALIGN): Use ffs_hwi. From-SVN: r162920
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