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2009-11-25tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed instantiate_scev_not.Sebastian Pop1-10/+23
2009-09-01 Sebastian Pop <sebastian.pop@amd.com> * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed instantiate_scev_not. Handle NEGATE_EXPR. (instantiate_scev_r): Handle NEGATE_EXPR. From-SVN: r154539
2009-11-25tree-scalar-evolution.c (instantiate_scev_1): Renamed instantiate_scev_r.Sebastian Pop1-39/+88
2009-09-01 Sebastian Pop <sebastian.pop@amd.com> * tree-scalar-evolution.c (instantiate_scev_1): Renamed instantiate_scev_r. (instantiate_scev_r): Move code in instantiate_scev_2 and instantiate_scev_1. From-SVN: r154538
2009-11-25tree-scalar-evolution.c (instantiate_scev_3): New.Sebastian Pop1-26/+50
2009-09-01 Sebastian Pop <sebastian.pop@amd.com> * tree-scalar-evolution.c (instantiate_scev_3): New. (instantiate_scev_1): Move code in instantiate_scev_3. From-SVN: r154537
2009-11-25tree-scalar-evolution.c (instantiate_scev_poly): New.Sebastian Pop1-19/+43
2009-09-01 Sebastian Pop <sebastian.pop@amd.com> * tree-scalar-evolution.c (instantiate_scev_poly): New. (instantiate_scev_1): Move code in instantiate_scev_poly. From-SVN: r154536
2009-11-25tree-scalar-evolution.c (instantiate_scev_bitnot): New.Sebastian Pop1-18/+41
2009-09-01 Sebastian Pop <sebastian.pop@amd.com> * tree-scalar-evolution.c (instantiate_scev_bitnot): New. (instantiate_scev_1): Move code in instantiate_scev_bitnot. From-SVN: r154535
2009-11-25tree-scalar-evolution.c (instantiate_scev_convert): New.Sebastian Pop1-25/+51
2009-09-01 Sebastian Pop <sebastian.pop@amd.com> * tree-scalar-evolution.c (instantiate_scev_convert): New. (instantiate_scev_1): Move code in instantiate_scev_convert. From-SVN: r154534
2009-11-25tree-scalar-evolution.c (instantiate_scev_binary): New.Sebastian Pop1-63/+63
2009-09-01 Sebastian Pop <sebastian.pop@amd.com> * tree-scalar-evolution.c (instantiate_scev_binary): New. (instantiate_scev_1): Move code in instantiate_scev_binary. From-SVN: r154533
2009-11-25tree-scalar-evolution.c (instantiate_scev_name): New.Sebastian Pop1-58/+85
2009-09-01 Sebastian Pop <sebastian.pop@amd.com> * tree-scalar-evolution.c (instantiate_scev_name): New. (instantiate_scev_1): Move code in instantiate_scev_name. From-SVN: r154532
2009-10-21re PR tree-optimization/41497 (apparent integer wrong code bug)Sebastian Pop1-2/+13
PR tree-optimization/41497 * tree-scalar-evolution.c (analyze_evolution_in_loop): Return chrec_dont_know if the evolution function returned by follow_ssa_edge is constant in the analyzed loop and is not compatible with the initial value before the loop. * tree-chrec.h (no_evolution_in_loop_p): Call STRIP_NOPS. * gcc.dg/tree-ssa/pr41497.c: New. From-SVN: r153441
2009-07-31Return unknow from scev instantiation if the result is not above ↵Sebastian Pop1-7/+7
instantiate_below. 2009-07-30 Sebastian Pop <sebastian.pop@amd.com> * tree-scalar-evolution.c: Fix comment. (instantiate_scev_1): Return unknow from scev instantiation if the result is not above instantiate_below. From-SVN: r150290
2009-07-31tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not static ↵Sebastian Pop1-2/+5
anymore. 2009-07-30 Sebastian Pop <sebastian.pop@amd.com> * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not static anymore. Instantiate the symbols that may have been introduced by chrec_apply. * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop): Declared. From-SVN: r150289
2009-05-19tree-scalar-evolution.c (follow_ssa_edge_expr): Turn into CASE_CONVERT.Eric Botcazou1-47/+50
* tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn into CASE_CONVERT. <PLUS_EXPR>: Strip useless type conversions instead of type nops. Propagate the type of the first operand. <ASSERT_EXPR>: Simplify. (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type. Rewrite using the RHS code as discriminant. <NOP_EXPR>: Turn into CASE_CONVERT. <PLUS_EXPR>: Propagate the type of the first operand. From-SVN: r147716
2009-05-08re PR tree-optimization/40062 (high memory usage and compile time in SCEV ↵Richard Guenther1-5/+3
cprop with -O3) 2009-05-08 Richard Guenther <rguenther@suse.de> PR tree-optimization/40062 * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi): Avoid exponential behavior. From-SVN: r147283
2009-04-22hashtab.h: Update GTY annotations to new syntaxTaras Glek1-2/+1
2009-04-21 Taras Glek <tglek@mozilla.com> * include/hashtab.h: Update GTY annotations to new syntax * include/splay-tree.h: Likewise gcc/ChangeLog 2009-04-21 Taras Glek <tglek@mozilla.com> * alias.c: Update GTY annotations to new syntax * basic-block.h: Likewise * bitmap.h: Likewise * c-common.h: Likewise * c-decl.c: Likewise * c-parser.c: Likewise * c-pragma.c: Likewise * c-tree.h: Likewise * cfgloop.h: Likewise * cgraph.h: Likewise * config/alpha/alpha.c: Likewise * config/arm/arm.h: Likewise * config/avr/avr.h: Likewise * config/bfin/bfin.c: Likewise * config/cris/cris.c: Likewise * config/darwin.c: Likewise * config/frv/frv.c: Likewise * config/i386/i386.c: Likewise * config/i386/i386.h: Likewise * config/i386/winnt.c: Likewise * config/ia64/ia64.h: Likewise * config/iq2000/iq2000.c: Likewise * config/mips/mips.c: Likewise * config/mmix/mmix.h: Likewise * config/pa/pa.c: Likewise * config/pa/pa.h: Likewise * config/rs6000/rs6000.c: Likewise * config/s390/s390.c: Likewise * config/sparc/sparc.c: Likewise * config/xtensa/xtensa.c: Likewise * cselib.h: Likewise * dbxout.c: Likewise * dwarf2out.c: Likewise * except.c: Likewise * except.h: Likewise * fixed-value.h: Likewise * function.c: Likewise * function.h: Likewise * gimple.h: Likewise * integrate.c: Likewise * optabs.c: Likewise * output.h: Likewise * real.h: Likewise * rtl.h: Likewise * stringpool.c: Likewise * tree-data-ref.c: Likewise * tree-flow.h: Likewise * tree-scalar-evolution.c: Likewise * tree-ssa-address.c: Likewise * tree-ssa-alias.h: Likewise * tree-ssa-operands.h: Likewise * tree.c: Likewise * tree.h: Likewise * varasm.c: Likewise * varray.h: Likewise * vec.h: Likewise * coretypes.h: Do not define GTY macro if it is already defined * doc/gty.texi: Update GTY documentation to new syntax * gengtype-lex.l: Enforce attribute-like syntax for GTY annotations on structs * gengtype-parse.c: Likewise gcc/ada/ChangeLog 2009-04-21 Taras Glek <tglek@mozilla.com> * gcc-interface/ada-tree.h: Update GTY annotations to new syntax * gcc-interface/trans.c: Likewise * gcc-interface/utils.c: Likewise gcc/cp/ChangeLog 2009-04-21 Taras Glek <tglek@mozilla.com> * cp-tree.h: Update GTY annotations to new syntax * decl.c: Likewise * mangle.c: Likewise * name-lookup.c: Likewise * name-lookup.h: Likewise * parser.c: Likewise * pt.c: Likewise * rtti.c: Likewise * semantics.c: Likewise * typeck2.c: Likewise gcc/fortran/ChangeLog 2009-04-21 Taras Glek <tglek@mozilla.com> * f95-lang.c: Update GTY annotations to new syntax * trans-intrinsic.c: Likewise * trans-io.c: Likewise * trans.h: Likewise gcc/java/ChangeLog 2009-04-21 Taras Glek <tglek@mozilla.com> * builtins.c: Update GTY annotations to new syntax * decl.c: Likewise * java-tree.h: Likewise * jcf.h: Likewise * lang.c: Likewise gcc/objc/ChangeLog 2009-04-21 Taras Glek <tglek@mozilla.com> * objc-act.c: Update GTY annotations to new syntax * objc-act.h: Likewise libcpp/ChangeLog 2009-04-21 Taras Glek <tglek@mozilla.com> * include/cpp-id-data.h: Update GTY annotations to new syntax * include/cpplib.h: Likewise * include/line-map.h: Likewise * include/symtab.h: Likewise From-SVN: r146607
2009-04-02re PR middle-end/37221 (Missed early loop-unroll optimization - causes 40% ↵Richard Guenther1-0/+14
degradation on SPU) 2009-04-02 Richard Guenther <rguenther@suse.de> PR tree-optimization/37221 * tree-flow.h (degenerate_phi_result): Declare. * tree-ssa-dom.c (degenerate_phi_result): Export. * tree-scalar-evolution.c (analyze_initial_condition): If the initial condition is defined by a degenerate PHI node use the degenerate value. * gcc.c-torture/compile/20090331-1.c: New testcase. From-SVN: r145439
2009-03-04tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Extend comments.Zdenek Dvorak1-25/+94
* tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Extend comments. (simple_iv): Take loop as an argument instead of statement. * tree-scalar-evolution.h (simple_iv): Declaration changed. * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls to simple_iv. * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev): Ditto. * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto. * matrix-reorg.c (analyze_transpose): Ditto. * tree-data-ref.c (dr_analyze_innermost): Ditto. * tree-vect-analyze.c (vect_analyze_data_refs): Ditto. * tree-predcom.c (ref_at_iteration): Ditto. * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto. From-SVN: r144615
2009-02-20Update Copyright years for files modified in 2008 and/or 2009.Jakub Jelinek1-2/+2
From-SVN: r144324
2009-02-18re PR tree-optimization/36922 (ICE in tree-data-ref.c with -ftree-loop-linear)Jakub Jelinek1-0/+27
PR tree-optimization/36922 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR. * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1): Likewise. * gfortran.dg/pr36922.f: New test. From-SVN: r144250
2008-12-12re PR tree-optimization/32044 (final value replacement too aggressive for ↵Zdenek Dvorak1-7/+53
e.g. targets with no native div/mod insns) PR tree-optimization/32044 * tree-scalar-evolution.h (expression_expensive_p): Declare. * tree-scalar-evolution.c (expression_expensive_p): New function. (scev_const_prop): Avoid introducing expensive expressions. * tree-ssa-loop-ivopts.c (may_eliminate_iv): Ditto. * gcc.dg/pr34027-1.c: Change outcome. * gcc.dg/tree-ssa/pr32044.c: New test. From-SVN: r142719
2008-12-09re PR tree-optimization/37416 (Failure to return number of loop iterations)Jakub Jelinek1-0/+12
PR tree-optimization/37416 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Handle NOP_EXPR. From-SVN: r142616
2008-11-07re PR middle-end/37379 ([graphite] ICE compiling aermod.f90 with -ffast-math ↵Sebastian Pop1-1/+3
-floop-block -O2 -fgraphite) 2008-11-07 Sebastian Pop <sebastian.pop@amd.com> PR middle-end/37379 * tree-scalar-evolution.c (instantiate_scev_1): Return chrec_dont_know for VL_EXP_CLASS_P. From-SVN: r141682
2008-09-12tree-scalar-evolution.c (set_instantiated_value): Set instantiated_below.Sebastian Pop1-0/+1
2008-09-12 Sebastian Pop <sebastian.pop@amd.com> * tree-scalar-evolution.c (set_instantiated_value): Set instantiated_below. From-SVN: r140326
2008-09-09re PR middle-end/37375 ([graphite] Parameter detection and scev only take a ↵Sebastian Pop1-75/+70
surrounding loop as border) 2008-09-05 Sebastian Pop <sebastian.pop@amd.com> PR tree-optimization/37375 * tree-scalar-evolution.c (scev_info_str): Add field instantiated_below. (new_scev_info_str, eq_scev_info, find_var_scev_info, set_scalar_evolution, get_scalar_evolution, get_instantiated_value, set_instantiated_value): Pass instantiated_below. (analyze_scalar_evolution_1, analyze_scalar_evolution): Update calls to above functions. (instantiate_scev_1, instantiate_scev): Pass a basic block above which the definitions are not instantiated. * tree-scalar-evolution.h (instantiate_scev): Update declaration. (block_before_loop): New. * tree-data-ref.c (dr_analyze_indices): Update uses of instantiate_scev. * graphite.c (block_before_scop): New. (loop_affine_expr, stmt_simple_for_scop_p, harmful_stmt_in_bb): Pass a basic block, not a loop for determining the parameters. (scopdet_edge_info, build_scops_1): Do not pass outermost loop in the scop. (idx_record_params, find_params_in_bb, find_scop_parameters, build_loop_iteration_domains, add_conditions_to_domain): Update calls to instantiate_scev. * Makefile.in (cfgloopmanip.o): Add missing dependency on TREE_FLOW_H. From-SVN: r140164
2008-07-28backport: ChangeLog.tuples: ChangeLog from gimple-tuples-branch.Richard Biener1-274/+323
2008-07-28 Richard Guenther <rguenther@suse.de> Merge from gimple-tuples-branch. * ChangeLog.tuples: ChangeLog from gimple-tuples-branch. * gimple.def: New file. * gsstruct.def: Likewise. * gimple-iterator.c: Likewise. * gimple-pretty-print.c: Likewise. * tree-gimple.c: Removed. Merged into ... * gimple.c: ... here. New file. * tree-gimple.h: Removed. Merged into ... * gimple.h: ... here. New file. * Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h. * configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the --enable-checking=gimple flag. * config.in: Likewise. * configure: Regenerated. * tree-ssa-operands.h: Tuplified. * tree-vrp.c: Likewise. * tree-loop-linear.c: Likewise. * tree-into-ssa.c: Likewise. * tree-ssa-loop-im.c: Likewise. * tree-dump.c: Likewise. * tree-complex.c: Likewise. * cgraphbuild.c: Likewise. * tree-ssa-threadupdate.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-pretty-print.c: Likewise. * tracer.c: Likewise. * gengtype.c: Likewise. * tree-loop-distribution.c: Likewise. * tree-ssa-loop-unswitch.c: Likewise. * cgraph.c: Likewise. * cgraph.h: Likewise. * tree-ssa-loop-manip.c: Likewise. * value-prof.c: Likewise. * tree-ssa-loop-ch.c: Likewise. * tree-tailcall.c: Likewise. * value-prof.h: Likewise. * tree.c: Likewise. * tree.h: Likewise. * tree-pass.h: Likewise. * ipa-cp.c: Likewise. * tree-scalar-evolution.c: Likewise. * tree-scalar-evolution.h: Likewise. * target.h: Likewise. * lambda-mat.c: Likewise. * tree-phinodes.c: Likewise. * diagnostic.h: Likewise. * builtins.c: Likewise. * tree-ssa-alias-warnings.c: Likewise. * cfghooks.c: Likewise. * fold-const.c: Likewise. * cfghooks.h: Likewise. * omp-low.c: Likewise. * tree-ssa-dse.c: Likewise. * ipa-reference.c: Likewise. * tree-ssa-uncprop.c: Likewise. * toplev.c: Likewise. * tree-gimple.c: Likewise. * tree-gimple.h: Likewise. * tree-chrec.c: Likewise. * tree-chrec.h: Likewise. * tree-ssa-sccvn.c: Likewise. * tree-ssa-sccvn.h: Likewise. * cgraphunit.c: Likewise. * tree-ssa-copyrename.c: Likewise. * tree-ssa-ccp.c: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-nomudflap.c: Likewise. * tree-call-cdce.c: Likewise. * ipa-pure-const.c: Likewise. * c-format.c: Likewise. * tree-stdarg.c: Likewise. * tree-ssa-math-opts.c: Likewise. * tree-ssa-dom.c: Likewise. * tree-nrv.c: Likewise. * tree-ssa-propagate.c: Likewise. * ipa-utils.c: Likewise. * tree-ssa-propagate.h: Likewise. * tree-ssa-alias.c: Likewise. * gimple-low.c: Likewise. * tree-ssa-sink.c: Likewise. * ipa-inline.c: Likewise. * c-semantics.c: Likewise. * dwarf2out.c: Likewise. * expr.c: Likewise. * tree-ssa-loop-ivcanon.c: Likewise. * predict.c: Likewise. * tree-ssa-loop.c: Likewise. * tree-parloops.c: Likewise. * tree-ssa-address.c: Likewise. * tree-ssa-ifcombine.c: Likewise. * matrix-reorg.c: Likewise. * c-decl.c: Likewise. * tree-eh.c: Likewise. * c-pretty-print.c: Likewise. * lambda-trans.c: Likewise. * function.c: Likewise. * langhooks.c: Likewise. * ebitmap.h: Likewise. * tree-vectorizer.c: Likewise. * function.h: Likewise. * langhooks.h: Likewise. * tree-vectorizer.h: Likewise. * ipa-type-escape.c: Likewise. * ipa-type-escape.h: Likewise. * domwalk.c: Likewise. * tree-if-conv.c: Likewise. * profile.c: Likewise. * domwalk.h: Likewise. * tree-data-ref.c: Likewise. * tree-data-ref.h: Likewise. * tree-flow-inline.h: Likewise. * tree-affine.c: Likewise. * tree-vect-analyze.c: Likewise. * c-typeck.c: Likewise. * gimplify.c: Likewise. * coretypes.h: Likewise. * tree-ssa-phiopt.c: Likewise. * calls.c: Likewise. * tree-ssa-coalesce.c: Likewise. * tree.def: Likewise. * tree-dfa.c: Likewise. * except.c: Likewise. * except.h: Likewise. * cfgexpand.c: Likewise. * tree-cfgcleanup.c: Likewise. * tree-ssa-pre.c: Likewise. * tree-ssa-live.c: Likewise. * tree-sra.c: Likewise. * tree-ssa-live.h: Likewise. * tree-predcom.c: Likewise. * lambda.h: Likewise. * tree-mudflap.c: Likewise. * ipa-prop.c: Likewise. * print-tree.c: Likewise. * tree-ssa-copy.c: Likewise. * ipa-prop.h: Likewise. * tree-ssa-forwprop.c: Likewise. * ggc-page.c: Likewise. * c-omp.c: Likewise. * tree-ssa-dce.c: Likewise. * tree-vect-patterns.c: Likewise. * tree-ssa-ter.c: Likewise. * tree-nested.c: Likewise. * tree-ssa.c: Likewise. * lambda-code.c: Likewise. * tree-ssa-loop-prefetch.c: Likewise. * tree-inline.c: Likewise. * tree-inline.h: Likewise. * tree-iterator.c: Likewise. * tree-optimize.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-vect-transform.c: Likewise. * tree-object-size.c: Likewise. * tree-outof-ssa.c: Likewise. * cfgloop.c: Likewise. * system.h: Likewise. * tree-profile.c: Likewise. * cfgloop.h: Likewise. * c-gimplify.c: Likewise. * c-common.c: Likewise. * tree-vect-generic.c: Likewise. * tree-flow.h: Likewise. * c-common.h: Likewise. * basic-block.h: Likewise. * tree-ssa-structalias.c: Likewise. * tree-switch-conversion.c: Likewise. * tree-ssa-structalias.h: Likewise. * tree-cfg.c: Likewise. * passes.c: Likewise. * ipa-struct-reorg.c: Likewise. * ipa-struct-reorg.h: Likewise. * tree-ssa-reassoc.c: Likewise. * cfgrtl.c: Likewise. * varpool.c: Likewise. * stmt.c: Likewise. * tree-ssanames.c: Likewise. * tree-ssa-threadedge.c: Likewise. * langhooks-def.h: Likewise. * tree-ssa-operands.c: Likewise. * config/alpha/alpha.c: Likewise. * config/frv/frv.c: Likewise. * config/s390/s390.c: Likewise. * config/m32c/m32c.c: Likewise. * config/m32c/m32c-protos.h: Likewise. * config/spu/spu.c: Likewise. * config/sparc/sparc.c: Likewise. * config/i386/i386.c: Likewise. * config/sh/sh.c: Likewise. * config/xtensa/xtensa.c: Likewise. * config/stormy16/stormy16.c: Likewise. * config/ia64/ia64.c: Likewise. * config/rs6000/rs6000.c: Likewise. * config/pa/pa.c: Likewise. * config/mips/mips.c: Likewise. From-SVN: r138207
2008-06-06cgraph.c: Fix typos in comments.Ralf Wildenhues1-3/+4
gcc/ * cgraph.c: Fix typos in comments. (cgraph_availability_names): Fix string typo. * fold-const.c: Fix typos in comments. (fold_binary): Fix typo in warning. * genautomata.c: Fix typos in comments. (check_presence_pattern_sets): Fix typo in local variable. (output_description): Fix typo in output. * ggc-zone.c (ggc_pch_finish): Fix typo in error message. * hwint.h: Likewise. * matrix-reorg.c (check_allocation_function): Likewise. * omega.c (smooth_weird_equations): Likewise. * auto-inc-dec.c: Fix typos in comments. * bb-reorder.c: Likewise. * builtins.c: Likewise. * c-common.c: Likewise. * c-cppbuiltin.c: Likewise. * c-parser.c: Likewise. * c-pretty-print.c: Likewise. * cfgcleanup.c: Likewise. * cfgexpand.c: Likewise. * cfghooks.c: Likewise. * cfglayout.c: Likewise. * cfgloopmanip.c: Likewise. * cgraphunit.c: Likewise. * coverage.c: Likewise. * dbxout.c: Likewise. * df-byte-scan.c: Likewise. * df-core.c: Likewise. * df-problems.c: Likewise. * df-scan.c: Likewise. * dfp.c: Likewise. * dominance.c: Likewise. * domwalk.c: Likewise. * dse.c: Likewise. * dwarf2out.c: Likewise. * emit-rtl.c: Likewise. * et-forest.c: Likewise. * function.c: Likewise. * function.h: Likewise. * gcc.c: Likewise. * gcov-io.c: Likewise. * gcov.c: Likewise. * gcse.c: Likewise. * genattrtab.c: Likewise. * ggc-page.c: Likewise. * gimplify.c: Likewise. * gthr-lynx.h: Likewise. * haifa-sched.c: Likewise. * ipa-cp.c: Likewise. * ipa-inline.c: Likewise. * ipa-prop.h: Likewise. * ipa-pure-const.c: Likewise. * ipa-struct-reorg.c: Likewise. * ipa-struct-reorg.h: Likewise. * ipa-type-escape.c: Likewise. * ipa.c: Likewise. * loop-doloop.c: Likewise. * mips-tfile.c: Likewise. * mkmap-flat.awk: Likewise. * mkmap-symver.awk: Likewise. * modulo-sched.c: Likewise. * omp-low.c: Likewise. * optabs.c: Likewise. * optabs.h: Likewise. * opts.c: Likewise. * passes.c: Likewise. * postreload-gcse.c: Likewise. * postreload.c: Likewise. * predict.c: Likewise. * pretty-print.h: Likewise. * profile.c: Likewise. * protoize.c: Likewise. * ra-conflict.c: Likewise. * real.c: Likewise. * recog.c: Likewise. * regclass.c: Likewise. * regs.h: Likewise. * reload.c: Likewise. * rtl-error.c: Likewise. * rtlanal.c: Likewise. * scan.h: Likewise. * sched-rgn.c: Likewise. * see.c: Likewise. * stmt.c: Likewise. * target.h: Likewise. * tree-dfa.c: Likewise. * tree-eh.c: Likewise. * tree-flow-inline.h: Likewise. * tree-inline.c: Likewise. * tree-into-ssa.c: Likewise. * tree-loop-distribution.c: Likewise. * tree-nested.c: Likewise. * tree-parloops.c: Likewise. * tree-pass.h: Likewise. * tree-pretty-print.c: Likewise. * tree-profile.c: Likewise. * tree-scalar-evolution.c: Likewise. * tree-sra.c: Likewise. * tree-ssa-alias-warnings.c: Likewise. * tree-ssa-ccp.c: Likewise. * tree-ssa-coalesce.c: Likewise. * tree-ssa-dom.c: Likewise. * tree-ssa-dse.c: Likewise. * tree-ssa-forwprop.c: Likewise. * tree-ssa-live.c: Likewise. * tree-ssa-live.h: Likewise. * tree-ssa-loop-im.c: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-ssa-loop-prefetch.c: Likewise. * tree-ssa-phiopt.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-ssa-sccvn.c: Likewise. * tree-ssa-ter.c: Likewise. * tree-ssa-threadupdate.c: Likewise. * tree-ssa.c: Likewise. * tree-vect-analyze.c: Likewise. * tree-vect-transform.c: Likewise. * tree-vectorizer.c: Likewise. * tree-vn.c: Likewise. * tree-vrp.c: Likewise. * tree.c: Likewise. * tree.def: Likewise. * tree.h: Likewise. * unwind-dw2-fde.c: Likewise. * unwind.inc: Likewise. * value-prof.c: Likewise. * vmsdbgout.c: Likewise. From-SVN: r136425
2008-05-31re PR tree-optimization/34244 (VRP/SCEV miscompiles Firefox)Richard Guenther1-12/+1
2008-05-31 Richard Guenther <rguenther@suse.de> PR tree-optimization/34244 * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP. (tree_expr_nonzero_warnv_p): Likewise. * tree-vrp.c (vrp_expr_computes_nonnegative): Call ssa_name_nonnegative_p. (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p. (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero, not tree_expr_nonzero_warnv_p. PR tree-optimization/36262 Revert 2007-11-29 Zdenek Dvorak <ook@ucw.cz> PR tree-optimization/34244 * tree-vrp.c (adjust_range_with_scev): Clear scev cache. (record_numbers_of_iterations): New function. (execute_vrp): Cache the numbers of iterations of loops. * tree-scalar-evolution.c (scev_reset_except_niters): New function. (scev_reset): Use scev_reset_except_niters. * tree-scalar-evolution.h (scev_reset_except_niters): Declare. From-SVN: r136237
2008-05-20re PR middle-end/36206 (ice for legal code with -O3)Jan Sjodin1-37/+35
2008-05-20 Jan Sjodin <jan.sjodin@amd.com> Sebastian Pop <sebastian.pop@amd.com> PR tree-optimization/36206 * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS, FOLD_CONVERSIONS. (instantiate_scev_1): Rename flags to fold_conversions. Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined outeside instantiation_loop. * tree-chrec.h (evolution_function_is_affine_in_loop): New. (evolution_function_is_affine_or_constant_p): Removed. * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with instantiate_scev. (analyze_siv_subscript): Pass in the loop nest number. Call evolution_function_is_affine_in_loop instead of evolution_function_is_affine_p. (analyze_overlapping_iterations): Pass in the loop nest number. * tree-chrec.h (chrec_fold_op): New. * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR, and other trees. * testsuite/gfortran.dg/pr36206.f: New. Co-Authored-By: Sebastian Pop <sebastian.pop@amd.com> From-SVN: r135663
2008-05-09tree-scalar-evolution.c: Document instantiate_scev.Jan Sjodin1-60/+101
2008-05-09 Jan Sjodin <jan.sjodin@amd.com> Sebastian Pop <sebastian.pop@amd.com> * tree-scalar-evolution.c: Document instantiate_scev. (instantiate_parameters_1): Renamed instantiate_scev_1. Don't use the same loop for instantiation_loop and evolution_loop. (instantiate_scev): New. (instantiate_parameters): Moved... (resolve_mixers): Update call to instantiate_scev_1 to pass the same loop twice. Maintains the semantics for this function. * tree-scalar-evolution.h (instantiate_scev): Declare. (instantiate_parameters): ...here. Now static inline. * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev instead of resolve_mixers. Co-Authored-By: Sebastian Pop <sebastian.pop@amd.com> From-SVN: r135116
2008-05-09pa.c (reloc_needed): Use CASE_CONVERT.Tomas Bily1-4/+2
* config/pa/pa.c (reloc_needed): Use CASE_CONVERT. * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise. * tree-ssa-structalias.c (get_constraint_for): Likewise. * c-common.c (c_common_truthvalue_conversion): Likewise. * tree-object-size.c (compute_object_offset): Likewise. * tree-inline.c (estimate_num_insns_1): Likewise. * varasm.c (const_hash_1, compare_constant, copy_constant) (compute_reloc_for_constant, output_addressed_constants) (initializer_constant_valid_p): Likewise. * c-omp.c (check_omp_for_incr_expr): Likewise. * gimplify.c (gimplify_expr): Likewise. * c-typeck.c (c_finish_return): Likewise. * tree-vectorizer.c (supportable_widening_operation) (supportable_narrowing_operation): Likewise. * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise. * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise. * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info) (descr_info_loc): Likewise. * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise. * fold-const.c (operand_equal_p, make_range, extract_muldiv_1) (fold_unary): Likewise. * builtins.c (get_pointer_alignment): Likewise. * tree-scalar-evolution.c (interpret_rhs_modify_stmt) (instantiate_parameters_1): Likewise. * tree.c (expr_align, stabilize_reference): Likewise. * tree-pretty-print.c (dump_generic_node, op_prio): Likewise. * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise. * convert.c (strip_float_extensions): Use CONVERT_EXPR_P. * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise. * config/alpha/alpha.c (va_list_skip_additions): Likewise. * c-common.c (c_alignof_expr, check_function_arguments_recurse): Likewise. * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise. * varasm.c (initializer_constant_valid_p, output_constant): Likewise. * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from) (forward_propagate_addr_expr_1, forward_propagate_addr_expr) (forward_propagate_comparison) (tree_ssa_forward_propagate_single_use_vars): Likewise. * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise. * emit-rtl.c (component_ref_for_mem_expr) (set_mem_attributes_minus_bitpos): Likewise. * tree-ssa-phiopt.c (conditional_replacement): Likewise. * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr): Likewise. * c-typeck.c (default_function_array_conversion, build_indirect_ref) (build_function_call, pointer_diff, build_compound_expr) (c_finish_return): Likewise. * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise. * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1): Likewise. * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise. * expr.c (is_aligning_offset): Likewise. * tree-ssa-alias.c (is_escape_site): Likewise. * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes) (check_all_va_list_escapes): Likewise. * tree-ssa-loop-ivopts.c (determine_base_object) (determine_common_wider_type): Likewise. * dojump.c (do_jump): Likewise. * tree-ssa-sccvn.c (simplify_unary_expression): Likewise. * tree-gimple.c (is_gimple_cast): Likewise. * fold-const.c (decode_field_reference, ) (fold_sign_changed_comparison, fold_unary, fold_comparison) (fold_binary): Likewise. * tree-ssa-alias-warnings.c (find_alias_site_helper) (already_warned_in_frontend_p): Likewise. * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise. * tree.c (really_constant_p, get_unwidened): Likewise. * tree-ssa-loop-niter.c (expand_simple_operations): Likewise. * tree-ssa-loop-im.c (rewrite_bittest): Likewise. * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1): Likewise. * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use CONVERT_EXPR_P. (CONVERT_EXPR_P): Define. (CASE_CONVERT): Define. From-SVN: r135114
2008-04-23tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as unreachable case.Tomas Bily1-1/+0
* tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as unreachable case. * tree-vrp.c (extract_range_from_unary_expr): Removed unused NON_LVALUE_EXPR. * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise. * tree-ssa-structalias.c (get_constraint_for): Likewise. * tree-inline.c (estimate_num_insns_1): Likewise. * varasm.c (const_hash_1, compare_constant, copy_constant) (compute_reloc_for_constant, output_addressed_constants): Likewise. * emit-rtl.c (component_ref_for_mem_expr) (set_mem_attributes_minus_bitpos): Likewise. * expr.c (highest_pow2_factor, expand_expr_real_1, ) (is_aligning_offset): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise. * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise. * dojump.c (do_jump): Likewise. * builtins.c (get_pointer_alignment, get_memory_rtx) (integer_valued_real_p, fold_builtin_next_arg): Likewise. * tree-scalar-evolution.c (instantiate_parameters_1): Likewise. From-SVN: r134591
2008-03-20tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop): Use ↵Richard Guenther1-1/+1
is_gimple_min_invariant instead of TREE_INVARIANT. 2008-03-21 Richard Guenther <rguenther@suse.de> * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop): Use is_gimple_min_invariant instead of TREE_INVARIANT. * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise. * tree-ssa-dom.c (record_equality): Likewise. * tree-inline.c (copy_body_r): Likewise. * tree-ssa-pre.c (make_values_for_stmt): Remove test for TREE_INVARIANT. From-SVN: r133403
2008-03-03tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME defined in a ↵Sebastian Pop1-0/+1
loop at depth 0 is invariant. * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME defined in a loop at depth 0 is invariant. * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto. * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never be called at loop depth 0. From-SVN: r132835
2007-12-15tree-scalar-evolution.c (number_of_iterations_for_all_loops): Replace ↵Sebastian Pop1-1/+1
print_loop_ir with print_loops. 2007-12-15 Sebastian Pop <sebastian.pop@amd.com> * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Replace print_loop_ir with print_loops. * tree-flow.h (dot_cfg, debug_loops, debug_loop, debug_loop_num, print_loops, print_loops_bb): Declare. * tree-cfg.c (print_loops_bb): New. (print_loop): Print header, latch, bounds, estimation of iterations. (print_loop_and_siblings): New. (print_loop_ir): Renamed print_loops. (debug_loop_ir): Renamed debug_loops. (debug_loop, debug_loop_num): New. From-SVN: r130957
2007-11-30re PR tree-optimization/34244 (VRP/SCEV miscompiles Firefox)Zdenek Dvorak1-1/+12
PR tree-optimization/34244 * tree-vrp.c (adjust_range_with_scev): Clear scev cache. (record_numbers_of_iterations): New function. (execute_vrp): Cache the numbers of iterations of loops. * tree-scalar-evolution.c (scev_reset_except_niters): New function. (scev_reset): Use scev_reset_except_niters. * tree-scalar-evolution.h (scev_reset_except_niters): Declare. * gcc.dg/tree-ssa/pr34244.c: New test. From-SVN: r130527
2007-08-14alias.c (component_uses_parent_alias_set): Constify.Kaveh R. Ghazi1-1/+1
* alias.c (component_uses_parent_alias_set): Constify. * alias.h (component_uses_parent_alias_set): Likewise. * cfgrtl.c (print_rtl_with_bb): Likewise. * double-int.c (tree_to_double_int, double_int_fits_to_tree_p, mpz_get_double_int): Likewise. * double-int.h (double_int_fits_to_tree_p, tree_to_double_int, mpz_get_double_int): Likewise. * expr.c (is_aligning_offset, undefined_operand_subword_p, mostly_zeros_p, all_zeros_p, safe_from_p, is_aligning_offset): Likewise. * expr.h (safe_from_p): Likewise. * gimple-low.c (try_catch_may_fallthru, block_may_fallthru): Likewise. * gimplify.c (should_carry_locus_p, zero_sized_field_decl, zero_sized_type, goa_lhs_expr_p): Likewise. * omp-low.c (is_variable_sized, use_pointer_for_field): Likewise. * rtl.h (print_rtl_with_bb): Likewise. * sched-vis.c (print_exp, print_value, print_pattern): Likewise. * tree-cfg.c (const_first_stmt, const_last_stmt): New. * tree-flow-inline.h (bb_stmt_list): Constify. (cbsi_start, cbsi_last, cbsi_end_p, cbsi_next, cbsi_prev, cbsi_stmt): New. * tree-flow.h (const_block_stmt_iterator, cbsi_start, cbsi_last, const_first_stmt, const_last_stmt): New. (block_may_fallthru, empty_block_p): Constify. * tree-iterator.c (EXPR_FIRST_BODY, EXPR_LAST_BODY, EXPR_ONLY_BODY): New. (expr_first, expr_last, expr_only): Use macro for body. (const_expr_first, const_expr_last, const_expr_only): New. * tree-iterator.h (const_tree_stmt_iterator, ctsi_start, ctsi_last, ctsi_end_p, ctsi_one_before_end_p, ctsi_next, ctsi_prev, ctsi_stmt): New. * tree-scalar-evolution.c (get_loop_exit_condition): Constify. * tree-scalar-evolution.h (get_loop_exit_condition): Likewise. * tree-ssa-loop-niter.c (loop_only_exit_p, derive_constant_upper_bound): Likewise. * tree-ssa-phiopt.c (empty_block_p): Likewise. * tree-ssa-threadupdate.c (redirection_block_p): Likewise. * tree-vectorizer.c (slpeel_can_duplicate_loop_p): Likewise. * tree-vectorizer.h (slpeel_can_duplicate_loop_p): Likewise. * tree-vrp.c (vrp_bitmap_equal_p): Likewise. * tree.c (get_type_static_bounds): Likewise. * tree.h (const_expr_first, const_expr_last, const_expr_only): New. (get_type_static_bounds): Constify. From-SVN: r127483
2007-08-14alias.c (rtx_equal_for_memref_p): Constify.Kaveh R. Ghazi1-4/+4
* alias.c (rtx_equal_for_memref_p): Constify. * basic-block.h (const_edge, const_basic_block): New. (reg_set_to_hard_reg_set, dfs_enumerate_from, single_succ_p, single_pred_p, single_succ_edge, single_pred_edge, single_succ, single_pred, maybe_hot_bb_p, probably_cold_bb_p, probably_never_executed_bb_p, edge_probability_reliable_p, br_prob_note_reliable_p, forwarder_block_p, flow_nodes_print, inside_basic_block_p, control_flow_insn_p, dominated_by_p): Likewise. * bb-reorder.c (better_edge_p, push_to_next_round_p): Likewise. * bt-load.c (basic_block_freq, insn_sets_btr_p, can_move_up): Likewise. * cfganal.c (flow_active_insn_p, forwarder_block_p, flow_nodes_print, dfs_enumerate_from): Likewise. * cfgbuild.c (count_basic_blocks, inside_basic_block_p, control_flow_insn_p, count_basic_blocks): Likewise. * cfgloop.c (flow_bb_inside_loop_p, glb_enum_p, get_loop_body_with_size, loop_exit_edge_p): Likewise. * cfgloop.h (flow_bb_inside_loop_p, num_loop_insns, average_num_loop_insns, loop_exit_edge_p, just_once_each_iteration_p, can_duplicate_loop_p): Likewise. * cfgloopanal.c (just_once_each_iteration_p, num_loop_insns, average_num_loop_insns, seq_cost): Likewise. * cfgloopmanip.c (rpe_enum_p, can_duplicate_loop_p): Likewise. * dominance.c (dominated_by_p): Likewise. * emit-rtl.c (validate_subreg): Likewise. * except.c (can_throw_internal, can_throw_external): Likewise. * except.h (can_throw_internal, can_throw_external): Likewise. * gcse.c (gcse_constant_p, oprs_unchanged_p, oprs_anticipatable_p, oprs_available_p, hash_expr, expr_equiv_p, oprs_not_set_p, compute_transp, load_killed_in_block_p, reg_killed_on_edge, simple_mem, store_ops_ok, load_kills_store, find_loads, store_killed_in_insn, store_killed_after, store_killed_before, gcse_mem_operand, implicit_set_cond_p, store_killed_in_pat): Likewise. * ifcvt.c (count_bb_insns, cheap_bb_rtx_cost_p, noce_operand_ok, noce_mem_write_may_trap_or_fault_p): Likewise. * pointer-set.c (pointer_set_contains, pointer_map_contains): Likewise. * pointer-set.h (pointer_set_contains, pointer_map_contains): Likewise. * predict.c (can_predict_insn_p, maybe_hot_bb_p, probably_cold_bb_p, probably_never_executed_bb_p, edge_probability_reliable_p, br_prob_note_reliable_p, can_predict_insn_p): Likewise. * regclass.c (reg_set_to_hard_reg_set): Likewise. * resource.c (return_insn_p): Likewise. * rtl.h (reg_set_between_p, reg_set_p, validate_subreg): Likewise. * rtlanal.c (reg_set_between_p, reg_set_p): Likewise. * tracer.c (count_insns, ignore_bb_p, better_p): Likewise. * tree-cfg.c (verify_gimple_unary_expr, verify_gimple_binary_expr, verify_gimple_modify_stmt): Likewise. * tree-chrec.c (is_not_constant_evolution, is_multivariate_chrec_rec, is_multivariate_chrec, chrec_contains_symbols, chrec_contains_undetermined, tree_contains_chrecs, evolution_function_is_affine_multivariate_p, evolution_function_is_univariate_p, avoid_arithmetics_in_type_p, eq_evolutions_p, scev_direction): Likewise. * tree-chrec.h (automatically_generated_chrec_p, tree_is_chrec, eq_evolutions_p, is_multivariate_chrec, chrec_contains_symbols, chrec_contains_symbols_defined_in_loop, chrec_contains_undetermined, tree_contains_chrecs, evolution_function_is_affine_multivariate_p, evolution_function_is_univariate_p, chrec_zerop, evolution_function_is_constant_p, evolution_function_is_affine_p, evolution_function_is_affine_or_constant_p, tree_does_not_contain_chrecs, chrec_type): Likewise. * tree-data-ref.c (tree_fold_divides_p, object_address_invariant_in_loop_p, dr_may_alias_p, ziv_subscript_p, siv_subscript_p, gcd_of_steps_may_divide_p, same_access_functions, constant_access_functions, access_functions_are_affine_or_constant_p, find_vertex_for_stmt): Likewise. * tree-flow.h (scev_direction): Likewise. * tree-gimple.c (is_gimple_stmt): Likewise. * tree-outof-ssa.c (identical_copies_p, identical_stmt_lists_p): Likewise. * tree-pretty-print.c (op_prio): Likewise. * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop, analyzable_condition, backedge_phi_arg_p): Likewise. * tree-scalar-evolution.h (get_chrec_loop): Likewise. * tree-ssa-operands.c (get_name_decl, operand_build_cmp): Likewise. * tree-ssa-threadupdate.c (dbds_continue_enumeration_p): Likewise. From-SVN: r127404
2007-08-08tree.def (FIXED_POINT_TYPE): New type.Chao-ying Fu1-0/+1
* tree.def (FIXED_POINT_TYPE): New type. (FIXED_CST): New constant. (FIXED_CONVERT_EXPR): New expr. * doc/c-tree.texi (Types): Document FIXED_POINT_TYPE. (Expressions): Document FIXED_CST and FIXED_CONVERT_EXPR. * tree.h (struct tree_base): Add saturating_flag. Remove one bit of spare for saturating_flag. (NUMERICAL_TYPE_CHECK): Support FIXED_POINT_TYPE. (NON_SAT_FIXED_POINT_TYPE_P, SAT_FIXED_POINT_TYPE_P, FIXED_POINT_TYPE_P): Define. (TYPE_SATURATING): Define. (TREE_FIXED_CST_PTR, TREE_FIXED_CST): Define. (struct tree_fixed_cst): New. (TYPE_IBIT, TYPE_FBIT): Define. (tree_node): Add fixed_cst. (enum tree_index): Add new enumeration values of TI_SAT_SFRACT_TYPE, TI_SAT_FRACT_TYPE, TI_SAT_LFRACT_TYPE, TI_SAT_LLFRACT_TYPE, TI_SAT_USFRACT_TYPE, TI_SAT_UFRACT_TYPE, TI_SAT_ULFRACT_TYPE, TI_SAT_ULLFRACT_TYPE, TI_SFRACT_TYPE, TI_FRACT_TYPE, TI_LFRACT_TYPE, TI_LLFRACT_TYPE, TI_USFRACT_TYPE, TI_UFRACT_TYPE, TI_ULFRACT_TYPE, TI_ULLFRACT_TYPE, TI_SAT_SACCUM_TYPE, TI_SAT_ACCUM_TYPE, TI_SAT_LACCUM_TYPE, TI_SAT_LLACCUM_TYPE, TI_SAT_USACCUM_TYPE, TI_SAT_UACCUM_TYPE, TI_SAT_ULACCUM_TYPE, TI_SAT_ULLACCUM_TYPE, TI_SACCUM_TYPE, TI_ACCUM_TYPE, TI_LACCUM_TYPE, TI_LLACCUM_TYPE, TI_USACCUM_TYPE, TI_UACCUM_TYPE, TI_ULACCUM_TYPE, TI_ULLACCUM_TYPE, TI_QQ_TYPE, TI_HQ_TYPE,_TYPE, TI_SQ_TYPE, TI_DQ_TYPE, TI_TQ_TYPE, TI_UQQ_TYPE, TI_UHQ_TYPE, TI_USQ_TYPE, TI_UDQ_TYPE, TI_UTQ_TYPE, TI_SAT_QQ_TYPE, TI_SAT_HQ_TYPE, TI_SAT_SQ_TYPE, TI_SAT_DQ_TYPE, TI_SAT_TQ_TYPE, TI_SAT_UQQ_TYPE, TI_SAT_UHQ_TYPE, TI_SAT_USQ_TYPE, TI_SAT_UDQ_TYPE, TI_SAT_UTQ_TYPE, TI_HA_TYPE, TI_SA_TYPE, TI_DA_TYPE, TI_TA_TYPE, TI_UHA_TYPE, TI_USA_TYPE, TI_UDA_TYPE, TI_UTA_TYPE, TI_SAT_HA_TYPE, TI_SAT_SA_TYPE, TI_SAT_DA_TYPE, TI_SAT_TA_TYPE, TI_SAT_UHA_TYPE, TI_SAT_USA_TYPE, TI_SAT_UDA_TYPE, TI_SAT_UTA_TYPE. (sat_short_fract_type_node, sat_fract_type_node, sat_long_fract_type_node, sat_long_long_fract_type_node, sat_unsigned_short_fract_type_node, sat_unsigned_fract_type_node, sat_unsigned_long_fract_type_node, sat_unsigned_long_long_fract_type_node, short_fract_type_node, fract_type_node, long_fract_type_node, long_long_fract_type_node, unsigned_short_fract_type_node, unsigned_fract_type_node, unsigned_long_fract_type_node, unsigned_long_long_fract_type_node, sat_short_accum_type_node, sat_accum_type_node, sat_long_accum_type_node, sat_long_long_accum_type_node, sat_unsigned_short_accum_type_node, sat_unsigned_accum_type_node, sat_unsigned_long_accum_type_node, sat_unsigned_long_long_accum_type_node, short_accum_type_node, accum_type_node, long_accum_type_node, long_long_accum_type_node, unsigned_short_accum_type_node, unsigned_accum_type_node, unsigned_long_accum_type_node, unsigned_long_long_accum_type_node, qq_type_node, hq_type_node, sq_type_node, dq_type_node, tq_type_node, uqq_type_node, uhq_type_node, usq_type_node, udq_type_node, utq_type_node, sat_qq_type_node, sat_hq_type_node, sat_sq_type_node, sat_dq_type_node, sat_tq_type_node, sat_uqq_type_node, sat_uhq_type_node, sat_usq_type_node, sat_udq_type_node, sat_utq_type_node, ha_type_node, sa_type_node, da_type_node, ta_type_node, uha_type_node, usa_type_node, uda_type_node, uta_type_node, sat_ha_type_node, sat_sa_type_node, sat_da_type_node, sat_ta_type_node, sat_uha_type_node, sat_usa_type_node, sat_uda_type_node, sat_uta_type_node): New macro. (make_fract_type, make_accum_type): Declare. (make_signed_fract_type, make_unsigned_fract_type, make_sat_signed_fract_type, make_sat_unsigned_fract_type, make_signed_accum_type, make_unsigned_accum_type, make_sat_signed_accum_type, make_sat_unsigned_accum_type, make_or_reuse_signed_fract_type, make_or_reuse_unsigned_fract_type, make_or_reuse_sat_signed_fract_type, make_or_reuse_sat_unsigned_fract_type, make_or_reuse_signed_accum_type, make_or_reuse_unsigned_accum_type, make_or_reuse_sat_signed_accum_type, make_or_reuse_sat_unsigned_accum_type): New macro. (fixed_zerop): Declare. * defaults.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE, LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE, SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE, LONG_LONG_ACCUM_TYPE_SIZE): Define. * treestruct.def: Add TS_FIXED_CST. * Makefile.in (c-pretty-print.o): Add dependence on fixed-value.h. (tree.o): Likewise. (tree-dump.o): Likewise. (print-tree.o): Likewise. (tree-pretty-print.o): Likewise. (fold-const.o): Likewise. * tree-complex.c (some_nonzerop): Handle FIXED_CST. * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle FIXED_CST. (is_gimple_min_invariant): Handle FIXED_CST. * stor-layout.c (int_mode_for_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM. (layout_type): Handle FIXED_POINT_TYPE. (make_fract_type, make_accum_type): New functions. * tree-browser.c (browse_tree): Handle FIXED_POINT_TYPE. * tree-dump.c (fixed-value.h): New include. (dump_fixed): New function. (dequeue_and_dump): Handle FIXED_POINT_TYPE and FIXED_CST. * tree-inline.c (remap_type_1): Handle FIXED_POINT_TYPE. (estimate_num_insns_1): Handle FIXED_CST and FIXED_CONVERT_EXPR. * tree-pretty-print.c (fixed-value.h): New include. (dump_generic_node): Handle FIXED_POINT_TYPE, FIXED_CST, and FIXED_CONVERT_EXPR. * tree-scalar-evolution.c (get_scalar_evolution): Handle FIXED_CST. * tree-ssa-loop-im.c (for_each_index): Handle FIXED_CST. * tree-ssa-pre.c (poolify_tree): Handle FIXED_CST. * tree-ssa-reassoc.c (break_up_subtract_bb): We can do reassociation for non-saturating fixed-point types. (reassociate_bb): Likewise. * emit-rtl.c (fixed-value.h): New include. (fconst0, fconst1): New array. (init_emit_once): Initialize fconst0 and fconst1 for fixed-point modes. * tree-vect-generic.c expand_vector_operation): Support MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, and MODE_VECTOR_UACCUM. (type_for_widest_vector_mode): Add one parameter for the saturating flag. Check scalar FRACT, UFRACT, ACCUM, and UACCUM mode to select their vector mode. Pass the satp parameter to type_for_mode for fixed-point types. (expand_vector_operations_1): Pass the saturating flag to type_for_widest_vector_mode. Support MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, and MODE_VECTOR_UACCUM. * tree-vect-transform.c (vect_is_simple_cond): Support FIXED_CST. (vectorizable_condition): Likewise. * tree.c (fixed-value.h): New include. (tree_code_size): Support FIXED_CST. (build_fixed): New function. (build_one_cst): Support FIXED_POINT_TYPE for accum types. (fixed_zerop): New function. (tree_node_structure): Support FIXED_CST. (type_contains_placeholder_1): Support FIXED_POINT_TYPE. (build_type_attribute_qual_variant): Handle FIXED_POINT_TYPE. (type_hash_eq): Handle FIXED_POINT_TYPE. (simple_cst_equal): Support FIXED_CST. (iterative_hash_expr): Handle FIXED_CST. (get_unwidened): Make sure type is not FIXED_POINT_TYPE. (get_narrower): Likewise. (variably_modified_type_p): Handle FIXED_POINT_TYPE. (make_or_reuse_fract_type, make_or_reuse_accum_type): New functions. (build_common_tree_nodes_2): Use MAKE_FIXED_TYPE_NODE_FAMILY and MAKE_FIXED_MODE_NODE macros to initialize fixed-point type nodes. (build_vector_type_for_mode): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM. (initializer_zerop): Support FIXED_CST. (walk_tree): Handle FIXED_CST and FIXED_POINT_TYPE. * dwarf2out.c (base_type_die): Use DW_ATE_signed_fixed or DW_ATE_unsigned_fixed to describe FIXED_POINT_TYPE. (is_base_type): Handle FIXED_POINT_TYPE. (add_type_attribute): Handle FIXED_POINT_TYPE. (gen_type_die_with_usage): Handle FIXED_POINT_TYPE. * print-tree.c (fixed-value.h): New include. (print_node_brief): Support FIXED_CST. (print_node): Support FIXED_POINT_TYPE and FIXED_CST. * c-pretty-print.c (fixed-value.h): New include. (pp_c_type_specifier): Handle FIXED_POINT_TYPE. Need to pass TYPE_SATURATING to c_common_type_for_mode for fixed-point modes. (pp_c_direct_abstract_declarator): Handle FIXED_POINT_TYPE. Support fixed-point types for inner items in VECTOR_TYPE. (pp_c_direct_declarator): Likewise. (pp_c_declarator): Likewise. (pp_c_fixed_constant): New function. (pp_c_constant): Handle FIXED_CST. (pp_c_primary_expression): Likewise. (pp_c_expression): Likewise. * fold-const.c (fixed-value.h): New include. (negate_expr_p): Return true for FIXED_CST. (fold_negate_expr): Support FIXED_CST. (split_tree): Support FIXED_CST. (const_binop): Support FIXED_CST. (fold_convert_const_int_from_fixed): New function to convert from fixed to int. (fold_convert_const_real_from_fixed): New function to convert from fixed to real. (fold_convert_const_fixed_from_fixed): New function to convert from fixed to another fixed. (fold_convert_const_fixed_from_int): New function to convert from int to fixed. (fold_convert_const_fixed_from_real): New function to convert from real to fixed. (fold_convert_const): Support conversions from fixed to int, from fixed to real, from fixed to fixed, from int to fixed, and from real to fixed. (fold_convert): Support FIXED_CST and FIXED_POINT_TYPE. (operand_equal_p): Support FIXED_CST. (make_range): For fixed-point modes, we need to pass the saturating flag as the 2nd parameter. (tree_swap_operands_p): Handle FIXED_CST. (fold_plusminus_mult_expr): For fract modes, we cannot generate constant 1. (fold_unary): Support FIXED_CONVERT_EXPR. (fold_binary): Handle FIXED_CST. Make sure the type is not saturating, before associating operations. Ex: A + B + C, A * B * C, (A1 * C1) +/- (A2 * C2). (tree_expr_nonnegative_warnv_p): Handle FIXED_CST. (fold_negate_const): Support FIXED_CST. (fold_relational_const): Support FIXED_CST. * gimplify.c (omp_firstprivatize_type_sizes): Handle FIXED_POINT_TYPE. (gimplify_expr): Handle FIXED_CST. (gimplify_type_sizes): Handle FIXED_POINT_TYPE. * ipa-prop.c (ipa_callsite_compute_param): Support FIXED_CST. * ipa-type-escape.c (type_to_consider): Handle FIXED_POINT_TYPE. * doc/tm.texi (Type Layout): Document SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE, LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE, SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE, LONG_LONG_ACCUM_TYPE_SIZE. * dbxout.c (dbxout_type): Handle FIXED_POINT_TYPE. * c-aux-info.c (gen_type): Handle FIXED_POINT_TYPE. * tree-sra.c (is_sra_scalar_type): Support FIXED_POINT_TYPE. * expmed.c (extract_bit_field): Support MODE_FRACT, MODE_UFRACT, MODE_ACCUM, and MODE_UACCUM. * tree-vectorizer.c (vect_is_simple_reduction): Check for saturating fixed-point types to disable reduction. * explow.c (promote_mode): Support FIXED_POINT_TYPE. From-SVN: r127306
2007-07-26Change copyright header to refer to version 3 of the GNU General Public ↵Nick Clifton1-4/+3
License and to point readers at the COPYING3 file and the FSF's license web page. From-SVN: r126948
2007-07-25c-common.c (fname_as_string, [...]): Constify.Kaveh R. Ghazi1-1/+1
* c-common.c (fname_as_string, c_type_hash): Constify. * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise. * cgraph.c (edge_hash, edge_eq): Likewise. * dwarf2out.c (decl_die_table_eq, decl_loc_table_eq): Likewise. * emit-rtl.c (mem_attrs_htab_eq, reg_attrs_htab_hash, reg_attrs_htab_eq): Likewise. * except.c (t2r_eq, t2r_hash, ttypes_filter_eq, ehl_hash, ehl_eq): Likewise. * genautomata.c (const_reserv_sets_t, const_unit_decl_t, const_decl_t, const_state_t, const_automata_list_el_t): New. (first_out_arc, DECL_UNIT, DECL_BYPASS, DECL_AUTOMATON, DECL_EXCL, DECL_PRESENCE, DECL_ABSENCE, DECL_RESERV, DECL_INSN_RESERV, automaton_decl_hash, automaton_decl_eq_p, insn_decl_hash, insn_decl_eq_p, decl_hash, decl_eq_p, alt_state_cmp, reserv_sets_cmp, reserv_sets_eq, state_hash, state_eq_p, automata_list_hash, automata_list_eq_p, compare_states_for_equiv, compare_max_occ_cycle_nums, out_state_arcs_num, compare_transition_els_num, units_cmp, state_reservs_cmp): Constify. * genmodes.c (cmp_modes): Likewise. * ggc-common.c (saving_htab_hash, saving_htab_eq): Likewise. * gimplify.c (compare_case_labels): Likewise. * ipa-type-escape.c (get_name_of_type, type_brand_s): Likewise. * loop-unroll.c (si_info_hash, ve_info_hash): Likewise. * matrix-reorg.c (mtt_info_hash): Likewise. * postreload-gcse.c (hash_expr_for_htab, expr_equiv_p): Likewise. * rtl-factoring.c (const_p_hash_bucket, const_p_hash_elem): New. (htab_hash_bucket, htab_hash_elem): Constify. * tree-browser.c (TB_parent_eq): Likewise. * tree-scalar-evolution.c (hash_scev_info): Likewise. * tree-ssa-alias.c (sort_tags_by_id): Likewise. * tree-ssa-coalesce.c (const_coalesce_pair_p): New. (coalesce_pair_map_hash, coalesce_pair_map_eq, compare_pairs): Constify. * tree-ssa-dom.c (avail_expr_hash, avail_expr_eq): Likewise. * tree-ssa-pre.c (const_expr_pred_trans_t): New. (expr_pred_trans_hash, expr_pred_trans_eq): Constify. * tree-ssa-sccvn.c (const_vn_binary_op_t, const_vn_unary_op_t, const_vn_phi_t, const_vn_reference_op_t, const_vn_reference_t): New. (vn_reference_op_eq, vn_reference_hash, vn_reference_eq, vn_unary_op_hash, vn_unary_op_eq, vn_binary_op_hash, vn_binary_op_eq, vn_phi_hash, vn_phi_eq): Constify. * tree-ssa-threadupdate.c (redirection_data_hash, redirection_data_eq): Likewise. * tree-ssa-uncprop.c (equiv_hash, equiv_eq): Likewise. * tree-ssa.c (var_ann_eq): Likewise. * tree-vrp.c (compare_case_labels): Likewise. * tree.c (int_cst_hash_hash, int_cst_hash_eq, tree_map_base_marked_p, type_hash_marked_p, tree_check_failed, tree_not_check_failed, tree_class_check_failed, tree_range_check_failed, tree_not_class_check_failed, omp_clause_check_failed, omp_clause_range_check_failed, tree_contains_struct_check_failed, tree_operand_check_failed): Likewise. * tree.h (tree_contains_struct_check_failed, tree_check_failed, tree_not_check_failed, tree_class_check_failed, tree_range_check_failed, tree_not_class_check_failed, tree_operand_check_failed, omp_clause_operand_check_failed, tree_operand_length): Likewise. * var-tracking.c (const_variable): New. (variable_htab_hash, variable_htab_eq): Constify. * varasm.c (const_desc_hash): Likewise. cp: * decl.c (typename_hash, typename_compare): Constify. * mangle.c (hash_type, compare_type): Likewise. * pt.c (eq_local_specializations, hash_local_specialization): Likewise. * tree.c (cplus_array_hash, cplus_array_compare, list_hash_eq, list_hash): Likewise. * typeck2.c (pat_compare): Likewise. fortran: * gfortran.h (generate_isocbinding_symbol): Constify. * symbol.c (gen_special_c_interop_ptr, gen_cptr_param, generate_isocbinding_symbol): Likewise. java: * class.c (java_treetreehash_hash, java_treetreehash_compare): Constify. * expr.c (type_assertion_eq): Likewise. * jcf-io.c (compare_path): Likewise. * jcf-parse.c (cmpstringp): Likewise. * verify-impl.c (get_one_type, compute_argument_types, compute_return_type): Likewise. objc: * objc-act.c (volatilized_hash, volatilized_eq, string_hash, string_eq): Constify. From-SVN: r126925
2007-07-09tree-scalar-evolution.c (scev_const_prop): Add arguments to ↵Zdenek Dvorak1-1/+2
force_gimple_operand_bsi. * tree-scalar-evolution.c (scev_const_prop): Add arguments to force_gimple_operand_bsi. * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr, rewrite_use_compare): Ditto. * tree-ssa-address.c (gimplify_mem_ref_parts, create_mem_ref): Ditto. * tree-ssa-ifcombine.c (ifcombine_ifandif): Ditto. * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto. * lambda-code.c (replace_uses_equiv_to_x_with_y): Ditto. * tree-profile.c (prepare_instrumented_value, tree_gen_interval_profiler, tree_gen_pow2_profiler, tree_gen_one_value_profiler, tree_gen_ic_profiler, tree_gen_ic_func_profiler, tree_gen_average_profiler, tree_gen_ior_profiler): Ditto. * tree-ssa-reassoc.c (negate_value): Ditto. * matrix-reorg.c (transform_access_sites, transform_allocation_sites): Use force_gimple_operand_bsi. * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto. * tree-if-conv.c (add_to_dst_predicate_list, find_phi_replacement_condition): Ditto. * gimplify.c (force_gimple_operand_bsi): Add before and m arguments. Call mark_symbols_for_renaming for new statements. * tree-flow.h (force_gimple_operand_bsi): Declaration changed. From-SVN: r126500
2007-06-15[multiple changes]Andrew Pinski1-197/+26
2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> Zdenek Dvorak <dvorakz@suse.cz> Richard Guenther <rguenther@suse.de> Kaz Kojima <kkojima@gcc.gnu.org> * tree-vrp.c (compare_values_warnv): Convert val2 to the type of val1. (extract_range_from_assert): Create POINTER_PLUS_EXPR for pointer types. (extract_range_from_binary_expr): Handle only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR for pointer types. * doc/c-tree.texi (POINTER_PLUS_EXPR): Document. * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle POINTER_PLUS_EXPR as PLUS_EXPR. (number_of_iterations_lt_to_ne): For pointer types, use sizetype when creating MINUS_EXPR/PLUS_EXPRs. (assert_loop_rolls_lt): For pointer types, use sizetype when creating MINUS_EXPR/PLUS_EXPRs. (number_of_iterations_le): Likewise. (expand_simple_operations): POINTER_PLUS_EXPR are simple also. (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just like PLUS_EXPR and MINUS_EXPR. * tree-pretty-print.c (dump_generic_node): Handle POINTER_PLUS_EXPR. (op_prio): Likewise. (op_symbol_1): Likewise. * optabs.c (optab_for_tree_code): Likewise. * tree-ssa-loop-manip.c (create_iv): Handle pointer base specially. * tree-tailcall.c (process_assignment): Mention POINTER_PLUS_EXPR in a TODO comment. * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR not used with a pointer and an integer type. * tree-scalar-evolution.c (add_to_evolution_1): Convert the increment using chrec_convert_rhs instead of chrec_convert. (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like PLUS_EXPR except for the right hand side's type will be sizetype. (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR. (fold_used_pointer_cast): Kill. (pointer_offset_p): Kill. (fold_used_pointer): Kill. (pointer_used_p): Kill. (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't call fold_used_pointer. (instantiate_parameters_1): Convert the increment using chrec_convert_rhs instead of chrec_convert. Handle POINTER_PLUS_EXPR as PLUS_EXPR. * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR instead of PLUS_EXPR. (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. (std_gimplify_va_arg_expr): Likewise. (fold_builtin_memory_op): Likewise. (fold_builtin_strstr): Likewise. (fold_builtin_strchr): Likewise. (fold_builtin_strrchr): Likewise. (fold_builtin_strpbrk): Likewise. (expand_builtin_memory_chk): Likewise. (fold_builtin_memory_chk): Likewise. (std_expand_builtin_va_start): Use sizetype for the call to make_tree and then convert to the pointer type. (fold_builtin_memchr): Use POINTER_PLUS_EXPR instead of PLUS_EXPR for adding to a pointer. (std_gimplify_va_arg_expr): Use fold_build2 for the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast the operands to sizetype first and then cast the BIT_AND_EXPR back to the pointer type. * fold-const.c (build_range_check): Handle pointer types specially. (extract_array_ref): Look for POINTER_PLUS_EXPR instead of PLUS_EXPR's. Make sure the offset is converted to sizetype. (try_move_mult_to_index): Strip the NOPs from the offset. Remove code argument and replace all uses with PLUS_EXPR. (fold_to_nonsharp_ineq_using_bound): Handle pointer types specially. Don't use a pointer type for MINUS_EXPR. (fold_unary): Handle for (T1)(X op Y), only p+ as that is the only as that can be handled for binary operators now. (fold_binary <case POINTER_PLUS_EXPR>): Add folding of POINTER_PLUS_EXPR. <case PLUS_EXPR>: Add folding of PTR+INT into PTR p+ INT. Don't call try_move_mult_to_index. <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B) into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies. Don't call try_move_mult_to_index. (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR. (tree_expr_nonzero_p): Likewise. (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead of PLUS_EXPR for the complex expression folding. * tree-chrec.c (chrec_fold_plus_poly_poly): If the first chrec is a pointer type, then the second should be sizetype and not the first's type. For POINTER_PLUS_EXPR, use a different right hand side type. Handle POINTER_PLUS_EXPR like PLUS_EXPR. (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a different right hand side type. Handle POINTER_PLUS_EXPR like PLUS_EXPR. (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR instead of PLUS_EXPR. When either operand is zero, convert the other operand. (chrec_apply): Use chrec_convert_rhs on the argument x instead of chrec_convert. (reset_evolution_in_loop): For pointer types, the new_evol should be sizetype. (convert_affine_scev): For POINTER_PLUS_EXPR, use a different right hand side type. Handle POINTER_PLUS_EXPR like PLUS_EXPR. (chrec_convert_rhs): New function. (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a different right hand side type. Handle POINTER_PLUS_EXPR like PLUS_EXPR. * tree-chrec.h (chrec_convert_rhs): New prototype. (build_polynomial_chrec): For pointer types, the right hand * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for POINTER_PLUS_EXPR instead of PLUS_EXPR's. Remove subtraction case as it is always addition now. Make sure the offset is converted to sizetype. (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially. Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before. * tree-ssa-loop-ivopts.c (determine_base_object): Abort for PLUS_EXPR in pointer type. Handle POINTER_PLUS_EXPR. (tree_to_aff_combination): Likewise. (force_expr_to_var_cost): Likewise. (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR instead of PLUS_EXPR of pointer types. * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR as PLUS_EXPR. (check_va_list_escapes): Likewise. (check_all_va_list_escapes): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Handle POINT_PLUS_EXPR as a PLUS_EXPR. * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR. (string_constant): Likewise. * tree-ssa-address.c (tree_mem_ref_addr): When adding the offset to the base, use POINTER_PLUS_EXPR. (add_to_parts): Convert the index to sizetype. (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case. * matrix-reorg.c (collect_data_for_malloc_call): Stmt will now only be either INDIRECT_REF and POINTER_PLUS_EXPR. Offset only holds something for PLUS_EXPR. (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as a PLUS_EXPR. (analyze_transpose): POINTER_PLUS_EXPR will only show up now and not PLUS_EXPR. (analyze_accesses_for_modify_stmt): Likewise. Remove comment about the type being integral type as it is wrong now. (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as PLUS_EXPR. (transform_access_sites): POINTER_PLUS_EXPR will only show up now and not PLUS_EXPR. Correct the type which the artimentic is done in (is now sizetype). Reindent one loop. * tree-data-ref.c (split_constant_offset): Handle POINTER_PLUS_EXPR * tree-affine.c (tree_to_aff_combination): Likewise. * c-typeck.c (build_unary_op): For pointers create the increment as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * gimplify.c (gimplify_self_mod_expr): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR. * tree.def (POINTER_PLUS_EXPR): New tree code. * tree-predcom.c (ref_at_iteration): If we have a pointer type do the multiplication in sizetype. * tree-mudflap.c (mf_xform_derefs_1): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_array_index): Don't expect there to be a cast for the index as that does not exist anymore. (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR instead of PLUS_EXPR. Don't check for the first operand of the POINTER_PLUS_EXPR was the index as it cannot be. Call forward_propagate_addr_into_variable_array_index with the SSA_NAME instead of the statement. * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR. (compare_constant): Likewise. (copy_constant): Likewise. (compute_reloc_for_constant): Likewise. (output_addressed_constants): Likewise. (initializer_constant_valid_p): Likewise. * tree-ssa.c (tree_ssa_useless_type_conversion_1): Convert the MIN/MAX of the inner type to the outer type before comparing them. * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle POINTER_PLUS_EXPR instead of PLUS_EXPR. (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * tree-inline.c (estimate_num_insns_1): Handle POINTER_PLUS_EXPR. * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. (bump_vector_ptr): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for the pointer increment statement. (vect_update_ivs_after_vectorizer): For pointer types, create POINTER_PLUS_EXPR instead of PLUS_EXPR and also create MULT_EXPR in sizetype. (vect_gen_niters_for_prolog_loop): Add a cast when creating byte_misalign. * tree-object-size.c (plus_expr_object_size): Handle POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra code which is trying to figure out which side is a pointer and is the index. (check_for_plus_in_loops_1): Likewise. (check_for_plus_in_loops): Likewise. * c-common.c (pointer_int_sum): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * tree-ssa-structalias.c (handle_ptr_arith): Handle only POINTER_PLUS_EXPR. Removing all the extra code which is trying to figure out which side is a pointer and is the index. * tree-cfg.c (verify_expr): Add extra checking for pointers and PLUS_EXPR and MINUS_EXPR. Also add checking to make sure the operands of POINTER_PLUS_EXPR are correct. * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype with make_tree, instead of a pointer type. * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR for pointers instead of PLUS_EXPR. (s390_gimplify_va_arg): Likewise. * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR instead of PLUS_EXPR when doing addition on pointer types. Use sizetype for the second operand. (spu_gimplify_va_arg_expr): Likewise. * config/sparc/sparc.c (sparc_gimplify_va_arg): Use POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was a pointer. Don't create a BIT_AND_EXPR for pointer types. * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR for the pointer addition and also use size_int/sizetype for the offset. (ix86_gimplify_va_arg): Likewise. Perform BIT_AND_EXPR on sizetype arguments. * config/sh/sh.c (sh_va_start): Call make_tree with sizetype and convert its result to a pointer type. Use POINTER_PLUS_EXPR for the pointer additions and also use size_int for the offsets. (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer additions and also use size_int for the offsets. Perform BIT_AND_EXPR on sizetype arguments. * config/ia64/ia64.c (ia64_gimplify_va_arg): Use POINTER_PLUS_EXPR for pointers and create the BIT_AND_EXPR in sizetype. * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR instead of PLUS_EXPR for pointer addition. (rs6000_va_start): Likewise. Also use sizetype for the offset. * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR as PLUS_EXPR/MINUS_EXPR. (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR. Don't use BIT_AND_EXPR on a pointer type, convert the expression to sizetype first. * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR for pointers. (mips_gimplify_va_arg_expr): Likewise. Don't create BIT_AND_EXPR in a pointer type. 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> * trans-intrinsic.c (gfc_conv_intrinsic_repeat): Use POINTER_PLUS_EXPR instead of PLUS_EXPR for pointer addition. * trans-expr.c (gfc_trans_string_copy): Create POINTER_PLUS_EXPR instead of a PLUS_EXPR for pointer types. 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> * typeck.c (build_binary_op): For templates build the expression in pieces to avoid the assert in build2_stat. (get_member_function_from_ptrfunc): Change over to using POINTER_PLUS_EXPR and convert the second operand to sizetype. * typeck2.c (build_m_component_ref): Likewise. * init.c (expand_virtual_init): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. (build_new_1): Likewise. (build_vec_delete_1): Likewise. (build_vec_delete): Likewise. * class.c (build_base_path): Likewise. (build_base_path): Likewise. (convert_to_base_statically): Likewise. (fixed_type_or_null): Handle POINTER_PLUS_EXPR. (get_vtbl_decl_for_binfo): Handle POINTER_PLUS_EXPR instead of PLUS_EXPR. (dfs_accumulate_vtbl_inits): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * call.c (build_special_member_call): Likewise. * rtti.c (build_headof): Likewise. Use sizetype instead of ptrdiff_type_node. (tinfo_base_init): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * except.c (expand_start_catch_block): Do a NEGATIVE and then a POINTER_PLUS_EXPR instead of a MINUS_EXPR. * cp-gimplify.c (cxx_omp_clause_apply_fn): Convert PLUS_EXPR on pointer types over to use POINTER_PLUS_EXPR and remove the conversion to the pointer types. * method.c (thunk_adjust): Use POINTER_PLUS_EXPR for adding to a pointer type. Use size_int instead of ssize_int. Convert the index to sizetype before adding it to the pointer. 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> * trans.c (Attribute_to_gnu): When subtracting an offset from a pointer, use POINTER_PLUS_EXPR with NEGATE_EXPR instead of MINUS_EXPR. (gnat_to_gnu): Likewise. * utils.c (convert): When converting between thin pointers, use POINTER_PLUS_EXPR and sizetype for the offset. * utils2.c (known_alignment): POINTER_PLUS_EXPR have the same semantics as PLUS_EXPR for alignment. (build_binary_op): Add support for the semantics of POINTER_PLUS_EXPR's operands. When adding an offset to a pointer, use POINTER_PLUS_EXPR. 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> * class.c (make_class_data): Build the index in sizetype. Use POINTER_PLUS_EXPR instead of PLUS_EXPR when adding to a pointer type. (build_symbol_entry): Likewise. * expr.c (build_java_arrayaccess): Likewise. (build_field_ref): Likewise. (build_known_method_ref): Likewise. (build_invokevirtual): Likewise. * except.c (build_exception_object_ref): Do a NEGATIVE and then a POINTER_PLUS_EXPR instead of a MINUS_EXPR. 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> PR tree-opt/32225 * gcc.c-torture/compile/20070605-1.c: New test. * gcc.c-torture/compile/20070603-1.c: New testcase. * gcc.c-torture/compile/20070603-2.c: New testcase. * gcc.c-torture/compile/20070531-1.c: New test. PR tree-opt/32167 * gcc.c-torture/compile/20070531-2.c: New test. PR tree-opt/32144 * gcc.c-torture/compile/20070529-1.c: New test. PR tree-opt/32145 * gcc.c-torture/compile/20070529-2.c: New test. PR tree-opt/32015 * gcc.c-torture/compile/20070520-1.c: New test. * g++.dg/ext/java-1.C: New test. * gcc.dg/vect/vect-106.c: We are now able to vectorize two loops instead of one. Remove the "can't determine dependence" check. * gcc.dg/tree-ssa/20030815-1.c: Remove testcase which is no longer needed as the cast is gone in the first place. * gcc.dg/max-1.c: Change local variable a to be a global one. * gcc.dg/tree-ssa/ssa-pre-8.c: Update testcase since we don't have a cast which is PREd. From-SVN: r125755
2007-06-09tree-scalar-evolution.c (follow_ssa_edge_in_rhs, [...]): Keep more precise ↵Zdenek Dvorak1-2/+19
track of the size of the expression. * tree-scalar-evolution.c (follow_ssa_edge_in_rhs, follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise track of the size of the expression. * cfghooks.c (merge_blocks): Remove block from loops structure only after call of the merge_blocks hook. * gcc.dg/tree-ssa/loop-28.c: New testcase. From-SVN: r125595
2007-05-30tree-scalar-evolution.c (scev_const_prop): Do not create labels.Zdenek Dvorak1-1/+0
* tree-scalar-evolution.c (scev_const_prop): Do not create labels. * tree-ssa-sink.c (statement_sink_location): Return basic block and bsi of the location where statements should be inserted. (sink_code_in_bb): Take bsi from statement_sink_location. * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels instead of bsi_start. * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to bsi_insert_after. * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after. (bsi_move_before): Document inconsistency with bsi_move_after. (tree_redirect_edge_and_branch): Do not create labels if not necessary. From-SVN: r125181
2007-05-27tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.Zdenek Dvorak1-1/+3
* tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL. * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto. * ifcvt.c (if_convert): Ditto. * tree-ssa-threadupdate.c (thread_block): Ditto. (thread_through_all_blocks): Ditto. Assert that loops were analysed. * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa): Check number_of_loops instead of current_loops. * predict.c (tree_estimate_probability): Ditto. * tree-if-conv.c (main_tree_if_conversion): Ditto. * tree-ssa-loop-ch.c (copy_loop_headers): Ditto. * modulo-sched.c (sms_schedule): Ditto. * tree-scalar-evolution.c (scev_const_prop): Ditto. (scev_finalize): Do not do anything if scev analysis was not initialized. * cfgloopanal.c (mark_irreducible_loops): Do not check whether current_loops == NULL. (mark_loop_exit_edges): Check number_of_loops instead of current_loops. * loop-init.c (loop_optimizer_init): Do not free current_loops when there are no loops. (loop_optimizer_finalize): Assert that loops were analyzed. (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Check number_of_loops instead of current_loops. * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether current_loops == NULL. (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch, gate_tree_vectorize tree_linear_transform, check_data_deps, tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds, tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts): Check number_of_loops instead of current_loops. (tree_ssa_loop_done): Do not check whether current_loops == NULL. * tree-ssa-pre.c (fini_pre): Do not take do_fre argument. Always free loops if available. (execute_pre): Do not pass do_fre to fini_pre. From-SVN: r125114
2007-05-21re PR tree-optimization/31995 (can't determine dependence between p->a[x+i] ↵Andrew Pinski1-1/+1
and p->a[x+i+1]) 2007-05-21 Andrew Pinski <andrew_pinski@playstation.sony.com> PR middle-end/31995 * tree-chrec.c (evolution_function_is_affine_multivariate_p): Add loopno argument. Use evolution_function_is_invariant_rec_p instead of evolution_function_is_constant_p. Update calls to evolution_function_is_affine_multivariate_p. * tree-chrec.h (evolution_function_is_affine_multivariate_p): Add loopno argument. * tree-scalar-evolution.c (gather_chrec_stats): Call evolution_function_is_affine_multivariate_p with a loop number of 0. * tree-data-ref.c (analyze_miv_subscript): Likewise. (analyze_overlapping_iterations): Likewise. (access_functions_are_affine_or_constant_p): Likewise. (build_classic_dist_vector_1): If the access functions are equal, don't do anything. 2007-05-21 Andrew Pinski <andrew_pinski@playstation.sony.com> PR middle-end/31995 * gcc.dg/vect/vect-102a.c: New test. From-SVN: r124927
2007-05-14tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate struct ↵Zdenek Dvorak1-6/+12
nb_iter_bound. * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate struct nb_iter_bound. (free_numbers_of_iterations_estimates_loop): Use ggc_free. * gengtype.c (open_base_files): Add cfhloop.h to the list of includes. * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated. * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h. (struct scev_info_str, scalar_evolution_info): Add GTY markers. (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str. (del_scev_info): Use ggc_free. (scev_initialize): Allocate scalar_evolution_info in gc memory. * loop-init.c: Include ggc.h. (loop_optimizer_init): Use GGC_CNEW to allocate struct loops. (loop_optimizer_finalize): Use ggc_free. * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize, pass_linear_transfom, pass_empty_loop, pass_complete_unroll, pass_iv_optimize): Add TODO_ggc_collect. * function.h (struct function): Remove skip marker from x_current_loops. * cfgloop.c: Include ggc.h. (flow_loops_free, flow_loop_free): Free the loop descriptions in gc memory. (establish_preds): Vector superloops is gc allocated. (alloc_loop): Allocate loop using GGC_CNEW. Allocate head of loop->exits list. (flow_loops_find): Vector larray is gc allocated. (loop_exit_free): Use ggc_free. (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit. Reflect that head of exits list is now not a part of struct loop. (record_loop_exits): Allocate exits table in gc memory. (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that head of exits list is now not a part of struct loop. * cfgloop.h (struct lpt_decision, struct nb_iter_bound, struct loop_exit): Add GTY marker. (struct loop): Add GTY marker. Make superloops vector gc allocated. Add skip marker to aux field. Make head of exits list a separate object. (struct loops): Add GTY marker. Make larray vector gc allocated. Add param marker to exits table. (get_loops): Type changed. * Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h dependency. (cfgloop.o, loop-init.o): Add ggc.h dependency. (GTFILES): Add cfgloop.h and tree-scalar-evolution.c. * basic-block.h (struct basic_block_def): Remove skip marker from loop_father field. From-SVN: r124727
2007-05-13tree-scalar-evolution.c (resolve_mixers): Exported.Zdenek Dvorak1-2/+1
* tree-scalar-evolution.c (resolve_mixers): Exported. * tree-scalar-evolution.h (resolve_mixers): Declare. * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p, ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p, record_record_differ_p, record_array_differ_p, array_ptr_differ_p, base_object_differ_p, base_addr_differ_p, analyze_array_indexes, init_array_ref, init_pointer_ref, analyze_indirect_ref, strip_conversion, analyze_offset_expr, address_analysis, object_analysis, analyze_offset): Removed. (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias, split_constant_offset, canonicalize_base_object_address, object_address_invariant_in_loop_p, disjoint_objects_p, dr_may_alias_p, dr_address_invariant_p): New functions. (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices and dr_analyze_alias. (initialize_data_dependence_relation): Use dr_may_alias_p and object_address_invariant_in_loop_p. (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr) is chrec_dont_know. (find_data_references_in_stmt): Restrict the analysis of data references to the given loop nest. (find_data_references_in_loop): Made static. Pass loop nest to find_data_references_in_stmt. (compute_data_dependences_for_loop): Use DR_VOPS. (free_data_ref): Free DR_VOPS. * tree-data-ref.h (struct first_location_in_loop): Replaced by ... (struct innermost_loop_behavior): ... new. (struct base_object_info): Replaced by ... (struct indices): ... new. (struct dr_alias): New. (enum data_ref_type): Removed. (struct data_reference): Consist of struct innermost_loop_behavior, struct indices and struct dr_alias. (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed. (DR_MEMTAG): Renamed to ... (DR_SYMBOL_TAG): ... this. (find_data_references_in_loop): Declaration removed. * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL. (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG. * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto. * gcc.dg/vect/no-section-anchors-vect-69.c: Fix outcome. * gcc.dg/tree-ssa/loop-30.c: New test. From-SVN: r124655
2007-05-11tree-loop-linear.c (gather_interchange_stats, [...]): Use loop_depth and ↵Zdenek Dvorak1-6/+7
loop_outer accessor functions. * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops): Use loop_depth and loop_outer accessor functions. * tree-ssa-loop-im.c (outermost_invariant_loop, set_level, determine_invariantness_stmt, move_computations_stmt): Ditto. * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path, add_loop, loopify, unloop, fix_loop_structure): Ditto. * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto. * tree-scalar-evolution.c (interpret_loop_phi, compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop, instantiate_parameters_1, scev_const_prop): Ditto. * cfghooks.c (make_forwarder_block): Ditto. * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto. * modulo-sched.c (loop_canon_p): Ditto. * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p): Ditto. * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto. * tree-cfg.c (tree_duplicate_sese_region): Ditto. * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit, cancel_loop, verify_loop_structure): Ditto. (flow_loop_nested_p, superloop_at_depth, flow_loop_free, add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the superloops vector instead of "pred" array. (establish_preds): Take father loop as an argument. Initialize the superloops vector. (flow_loop_tree_node_add): Pass father loop to establish_preds. Do not initialize loop->outer. (flow_loop_tree_node_remove): Truncate the superloops vector. * cfgloop.h (struct loop): Removed field "outer", fields "depth" and "pred" merged to "superloops" vector. (loop_depth, loop_outer): New. (fel_init): Use loop_outer. From-SVN: r124619
2007-04-09cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.Zdenek Dvorak1-0/+1
* cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge. (create_preheaders): Check that loops are available. (fix_loop_structure): Clean up, improve comments. * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa): Check that loops are available. Set LOOP_CLOSED_SSA to the loops state flags. * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info. * predict.c (tree_estimate_probability): Do not call calculate_dominance_info. Call create_preheaders. * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state flags. * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders. * cfgloop.h (LOOP_CLOSED_SSA): New constant. * tree-cfg.c (tree_split_edge): Make an assert more precise. * tree-ssa-threadedge.c (thread_across_edge): Comment the function arguments. From-SVN: r123670
2007-03-14re PR tree-optimization/30730 (-Wunsafe-loop-optimizations gives too many ↵Zdenek Dvorak1-12/+7
warnings) PR tree-optimization/30730 PR tree-optimization/26900 * tree-ssa-loop-niter.c: Include gmp.h. (bounds): New type. (mpz_set_double_int, get_type_bounds, mpz_to_double_int, split_to_var_and_offset, determine_value_range, bound_difference_of_offsetted_base, refine_bounds_using_guard, bound_difference, bounds_add, bounds_negate, number_of_iterations_ne_max, dump_affine_iv): New functions. (number_of_iterations_ne, number_of_iterations_lt_to_ne, assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the difference of initial and final value of control iv to validate results. (number_of_iterations_cond): Add loop parameter. Determine bounds on the difference of the extremes of the control iv. Add dumps. (expand_simple_operations): Handle phi nodes. (simplify_using_initial_conditions): Do not record used conditions. (number_of_iterations_exit): Pass loop to number_of_iterations_cond. Do not set additional_info. (implies_nonnegative_p, implies_ge_p): Removed. (derive_constant_upper_bound): Do not use parameter `additional'. (record_estimate): Parameter `additional' removed. Parameter `i_bound' added. Do not call derive_constant_upper_bound. (record_nonwrapping_iv): Use derive_constant_upper_bound to bound the number of iterations estimate. (estimate_numbers_of_iterations_loop): Pass the estimate from the number of iterations analysis to record_estimate. * tree.h (multiple_of_p): Declare. * tree-scalar-evolution.c (expression_expensive_p): Removed. (scev_const_prop): Do not check expression_expensive_p. * fold-const.c (multiple_of_p): Exported. * double-int.c (double_int_mask): Exported. * double-int.h (double_int_mask): Declare. * tree-flow.h (struct tree_niter_desc): Removed additional_info field. Added max field. * gcc.dg/tree-ssa/loop-26.c: New test. From-SVN: r122896