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  1. 12 Jun, 2007 1 commit
  3. 11 Jun, 2007 19 commits
  5. 10 Jun, 2007 8 commits
    • re PR fortran/32235 (incorrectly position text file after backspace) · 82fa3fc0 
      2007-06-10  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/32235
	* io/transfer.c (st_read): Remove test for end of file condition.
	(next_record_r): Add test for end of file condition.

From-SVN: r125606
      Jerry DeLisle committed
    • lambda-code.c (remove_iv): New. · 51c0074e 
      	* lambda-code.c (remove_iv): New.
	(lambda_loopnest_to_gcc_loopnest): Use remove_iv.


Co-Authored-By: Sebastian Pop <sebpop@gmail.com>

From-SVN: r125605
      Jan Sjodin committed
    • tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL. · 79f5e442 
      	* tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
	* tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
	* tree-ssa-loop-prefetch.c: Include optabs.h.
	(FENCE_FOLLOWING_MOVNT): New macro.
	(struct mem_ref): Add independent_p and storent_p fields.
	(record_ref): Initalize the new fields.
	(gather_memory_references_ref): Return true if the reference
	could be analysed.
	(gather_memory_references): Check whether all memory accesses
	in loop were recorded.
	(should_issue_prefetch_p): Return false for nontemporal stores.
	(nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
	may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
	(determine_loop_nest_reuse): Detect independent memory references.
	(loop_prefetch_arrays): Call mark_nontemporal_stores.
	* tree-flow.h (mark_virtual_ops_for_renaming): Declare.
	* Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
	* config/i386/i386.h (x86_mfence): Declare.
	(FENCE_FOLLOWING_MOVNT): Return x86_mfence.
	* config/i386/i386.c (x86_mfence): New variable.
	(ix86_init_mmx_sse_builtins): Initialize x86_mfence.

	* tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
	* optabs.c (init_optabs): Initialize storent_optab.
	* optabs.h (enum optab_index): Add OTI_storent.
	(storent_optab): Declare.
	* genopinit.c (optabs): Add initialization for storent_optab.
	* tree.h (MOVE_NONTEMPORAL): New macro.
	* expr.c (expand_assignment, store_expr, store_constructor_field,
	store_constructor, store_field, expand_expr_real_1): Propagate
	nontemporality of the expanded store.
	(emit_storent_insn): New function.
	* expr.h (expand_assignment, store_expr): Declaration changed.
	* function.c (assign_parm_setup_reg): Pass false as nontemporality
	to expand_assignment.
	* stmt.c (expand_asm_expr): Ditto.
	* calls.c (initialize_argument_information): Pass false as
	nontemporality to store_expr.
	* config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
	storentsi): New.

	* gcc.dg/tree-ssa/prefetch-7.c: New test.

From-SVN: r125604
      Zdenek Dvorak committed
    • tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd parameter, use it. · 6bdff197 
      2007-06-09  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
	parameter, use it.
	(find_what_p_points_to): Pass new parameter to set_uids_in_ptset.

From-SVN: r125603
      Daniel Berlin committed
    • decl.c (gnat_to_gnu_entity): Use pointers to dummy nodes... · 1bbf8502 
      	* decl.c (gnat_to_gnu_entity): Use pointers to dummy nodes, rather
	than to void, for the fields when making a new fat pointer type.
	(gnat_substitute_in_type): Now substitute_in_type.
	* gigi.h (gnat_substitute_in_type): Likewise.
	* trans.c (gnat_gimplify_expr): Remove COMPONENT_REF kludge.
	* utils.c (update_pointer_to): Update fat pointers by updating the
	dummy node pointers used for the fields.

From-SVN: r125602
      Duncan Sands committed
    • tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b, and allow DECL_P here. · 55edccf4 
      2007-06-09  Daniel Berlin  <dberlin@dberlin.org>

	* tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
	and allow DECL_P here.

From-SVN: r125601
      Daniel Berlin committed
    • testsuite_performance.h: Add cstring include for memset. · 28ec62e0 
      2007-06-10  Benjamin Kosnik  <bkoz@redhat.com>

	* testsuite/util/testsuite_performance.h: Add cstring include for
	memset.

From-SVN: r125600
      Benjamin Kosnik committed
    • Daily bump. · e463de68 
      From-SVN: r125598
      GCC Administrator committed
  7. 09 Jun, 2007 7 commits
  9. 08 Jun, 2007 5 commits
    • reload1.c (fixup_abnormal_edges): Clear bb field for insns not inserted on the edge. · 36808d08 
      	* reload1.c (fixup_abnormal_edges): Clear bb field for insns
	not inserted on the edge.

From-SVN: r125582
      Eric Botcazou committed
    • * ChangeLog fix * ChangeLog fix. · 9510f6eb 
      From-SVN: r125578
      Uros Bizjak committed
    • lib1funcs.asm (__udivsi3): Use hardware divide instructions if they are supported. · 582711fe 
      	* config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
	instructions if they are supported.
	(__divsi3, __umodsi3, __modsi3): Likewise.
	(__ashldi3, __ashrdi3, __lshrdi3): New.
	* config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.

From-SVN: r125577
      Bob Wilson committed
    • extend.texi: Add fvect-cost-model flag. · 792ed98b 
      gcc/ChangeLog:
2007-06-08  Harsha Jagasia <harsha.jagasia@amd.com>
            Tony Linthicum <tony.linthicum@amd.com>

	* doc/extend.texi: Add fvect-cost-model flag.
	* common.opt (fvect-cost-model): New flag.
	* tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
	cost fields in stmt_vec_info struct for STMT.
	* tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
	fields in stmt_vec_info struct and access functions for the same.
	(TARG_COND_BRANCH_COST): Define cost of conditional branch.
	(TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
	load, store and vector to scalar operation.
	(TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
	(TARG_VEC_LOAD_COST): Define cost of aligned vector load.
	(TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
	(TARG_VEC_STORE_COST): Define cost of vector store.
	(vect_estimate_min_profitable_iters): Define new function.
	* tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
	check to evaluate if loop iterations are less than minimum profitable
	iterations determined by cost model or minimum vect loop bound defined
	by user, whichever is more conservative.
	* tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
	run-time check to evaluate if loop iterations are less than minimum
	profitable iterations determined by cost model or minimum vect loop
	bound defined by user, whichever is more conservative.
	(vect_estimate_min_profitable_iterations): New function to estimate
	mimimimum iterartions required for vector version of loop to be
	profitable over scalar version.
        (vect_model_reduction_cost): New function.
	(vect_model_induction_cost): New function.
	(vect_model_simple_cost): New function.
	(vect_cost_strided_group_size): New function.
	(vect_model_store_cost): New function.
	(vect_model_load_cost): New function.
	(vectorizable_reduction): Call vect_model_reduction_cost during
	analysis phase.
	(vectorizable_induction): Call vect_model_induction_cost during
	analysis phase.
	(vectorizable_load): Call vect_model_load_cost during analysis phase.
	(vectorizable_store): Call vect_model_store_cost during analysis phase.
	(vectorizable_call, vectorizable_assignment, vectorizable_operation,
	vectorizable_promotion, vectorizable_demotion): Call 
	vect_model_simple_cost during analysis phase.

gcc/testsuite/ChangeLog:
2007-06-08  Harsha Jagasia <harsha.jagasia@amd.com>

	* gcc.dg/vect/costmodel: New directory.
	* gcc.dg/vect/costmodel/i386: New directory.
	* gcc.dg/vect/costmodel/i386/i386-costmodel-vect.exp: New testsuite.
	* gcc.dg/vect/costmodel/i386/costmodel-fast-math-vect-pr29925.c:
	New test.
	* gcc.dg/vect/costmodel/i386/costmodel-vect-31.c: New test.
	* gcc.dg/vect/costmodel/i386/costmodel-vect-33.c: New test.
	* gcc.dg/vect/costmodel/i386/costmodel-vect-68.c: New test.
	* gcc.dg/vect/costmodel/i386/costmodel-vect-reduc-1char.c: New test.
	* gcc.dg/vect/costmodel/x86_64: New directory.
	* gcc.dg/vect/costmodel/x86_64/x86_64-costmodel-vect.exp:
	New testsuite.	
	* gcc.dg/vect/costmodel/x86_64/costmodel-fast-math-vect-pr29925.c:
	New test.
	* gcc.dg/vect/costmodel/x86_64/costmodel-vect-31.c: New test.
	* gcc.dg/vect/costmodel/x86_64/costmodel-vect-33.c: New test.
	* gcc.dg/vect/costmodel/x86_64/costmodel-vect-68.c: New test.
	* gcc.dg/vect/costmodel/x86_64/costmodel-vect-reduc-1char.c: New test.
	* gcc.dg/vect/costmodel/x86_64/costmodel-pr30843.c: New test.

Co-Authored-By: Tony Linthicum <tony.linthicum@amd.com>

From-SVN: r125575
      Harsha Jagasia committed
    • reg-stack.c (get_true_reg): Readability change. · c8e2516c 
      
* reg-stack.c (get_true_reg): Readability change.  Moved default case
label into direct switch statement scope.

From-SVN: r125574
      Simon Baldwin committed