From 792ed98bb712d700adcbde5549704b74cca59eb2 Mon Sep 17 00:00:00 2001 From: Harsha Jagasia Date: Fri, 8 Jun 2007 16:30:49 +0000 Subject: extend.texi: Add fvect-cost-model flag. gcc/ChangeLog: 2007-06-08 Harsha Jagasia Tony Linthicum * 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 * 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 From-SVN: r125575 --- gcc/common.opt | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'gcc/common.opt') diff --git a/gcc/common.opt b/gcc/common.opt index 2358bc4..6299573 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -1110,6 +1110,10 @@ ftree-vectorize Common Report Var(flag_tree_vectorize) Optimization Enable loop vectorization on trees +fvect-cost-model +Common Report Var(flag_vect_cost_model) Optimization +Enable use of cost model in vectorization + ftree-vect-loop-version Common Report Var(flag_tree_vect_loop_version) Init(1) Optimization Enable loop versioning when doing loop vectorization on trees -- cgit v1.1