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| author | Rong Xu <xur@google.com> | 2014-10-31 12:00:28 -0700 |
|---|---|---|
| committer | Rong Xu <xur@google.com> | 2014-10-31 12:00:28 -0700 |
| commit | 29098ff058814235fb39d00b7496b7f8345ed3eb (patch) | |
| tree | f0aaf66f503399133223096679a60c1217a45391 /gcc-4.9/gcc/tree-vect-stmts.c | |
| parent | e86367917b8400cc955d8bba75dcc329cb0e75d0 (diff) | |
| download | toolchain_gcc-29098ff058814235fb39d00b7496b7f8345ed3eb.tar.gz toolchain_gcc-29098ff058814235fb39d00b7496b7f8345ed3eb.tar.bz2 toolchain_gcc-29098ff058814235fb39d00b7496b7f8345ed3eb.zip | |
[4.9] Backport patches fixed vectorization issues.
Backport 3 patches from upstream gcc that fixed some vectorization
issues: r215585 fixed PR63341
r216508 fixed PR63563
r216770 fixed PR63530
Change-Id: I650bf25ef0843b1ff01911b567fb26e069fd4550
Diffstat (limited to 'gcc-4.9/gcc/tree-vect-stmts.c')
| -rw-r--r-- | gcc-4.9/gcc/tree-vect-stmts.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc-4.9/gcc/tree-vect-stmts.c b/gcc-4.9/gcc/tree-vect-stmts.c index b87c14345..d208f2d6b 100644 --- a/gcc-4.9/gcc/tree-vect-stmts.c +++ b/gcc-4.9/gcc/tree-vect-stmts.c @@ -5601,6 +5601,7 @@ vectorizable_load (gimple stmt, gimple_stmt_iterator *gsi, gimple *vec_stmt, int i, j, group_size, group_gap; tree msq = NULL_TREE, lsq; tree offset = NULL_TREE; + tree byte_offset = NULL_TREE; tree realignment_token = NULL_TREE; gimple phi = NULL; vec<tree> dr_chain = vNULL; @@ -6262,7 +6263,8 @@ vectorizable_load (gimple stmt, gimple_stmt_iterator *gsi, gimple *vec_stmt, if (alignment_support_scheme == dr_explicit_realign_optimized) { phi = SSA_NAME_DEF_STMT (msq); - offset = size_int (TYPE_VECTOR_SUBPARTS (vectype) - 1); + byte_offset = size_binop (MINUS_EXPR, TYPE_SIZE_UNIT (vectype), + size_one_node); } } else @@ -6303,7 +6305,8 @@ vectorizable_load (gimple stmt, gimple_stmt_iterator *gsi, gimple *vec_stmt, dataref_ptr = vect_create_data_ref_ptr (first_stmt, aggr_type, at_loop, offset, &dummy, gsi, &ptr_incr, - simd_lane_access_p, &inv_p); + simd_lane_access_p, &inv_p, + byte_offset); } else if (dataref_offset) dataref_offset = int_const_binop (PLUS_EXPR, dataref_offset, |