2007-06-12 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29786
PR fortran/30875
* trans-common.c (get_init_field): New function.
(create_common): Call get_init_field for overlapping
initializers in equivalence blocks.
* resolve.c (resolve_equivalence_derived, resolve_equivalence):
Remove constraints on initializers in equivalence blocks.
* target-memory.c (expr_to_char, gfc_merge_initializers):
New functions.
(encode_derived): Add the bit offset to the byte offset to get
the total offset to the field.
* target-memory.h : Add prototype for gfc_merge_initializers.
2007-06-12 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29786
* gfortran.dg/equiv_7.f90: New test.
* gfortran.dg/equiv_constraint_7.f90: Change error message.
PR fortran/30875
* gfortran.dg/equiv_constraint_5.f90: Correct code and error.
From-SVN: r125628
2007-06-11 Bob Duff <duff@adacore.com>
Thomas Quinot <quinot@adacore.com>
* g-stsifd-sockets.adb (Create): Work around strange behavior of
'bind' on windows that causes 'connect' to fail intermittently, by
retrying the 'bind'.
(GNAT.Sockets.Thin.Signalling_Fds): New procedure Close.
From-SVN: r125612
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
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
* 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
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
* 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
./: PR tree-optimization/32169
* tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
CONVERT_EXPR, check whether min and max both converted to an
overflow infinity representation.
testsuite/:
PR tree-optimization/32169
* gcc.c-torture/compile/pr32169.c: New test.
From-SVN: r125591
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
PR tree-optimization/32243
* tree-vect-transform.c (vectorizable_type_promotion): Move check
for ncopies after ratio check between nunits_out and nunits_in.
(vectorizable_type_demotion): Remove single-use variable "scalar_type".
testsuite/ChangeLog:
PR tree-optimization/32243
* gcc.dg/vect/vect.exp: Add support for -O3 tests. Reset default
flags for -Os tests.
* gcc.dg/vect/03-vect-pr32243.c: New test.
From-SVN: r125567
PR tree-optimization/32224
* tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
vectorization upon a non GIMPLE_MODIFY_STMT.
From-SVN: r125566
