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authorbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2012-02-22 09:02:39 +0000
committerbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2012-02-22 09:02:39 +0000
commit2b099144ddcff64e3ed12b91d51e79906e59d188 (patch)
treea1d5a7af2124ea7d6a3fd432ae37469d40d78af1 /gcc/tree-vect-stmts.c
parent4e6469142eff1233657edb68f7fad4c23ec71bd3 (diff)
downloadgcc-2b099144ddcff64e3ed12b91d51e79906e59d188.tar.gz
2012-02-22 Basile Starynkevitch <basile@starynkevitch.net>
MELT branch merged with trunk rev 184458 using svnmerge git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@184460 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-vect-stmts.c')
-rw-r--r--gcc/tree-vect-stmts.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c
index 20f10f37437..78dd4d1615e 100644
--- a/gcc/tree-vect-stmts.c
+++ b/gcc/tree-vect-stmts.c
@@ -3753,7 +3753,9 @@ vectorizable_store (gimple stmt, gimple_stmt_iterator *gsi, gimple *vec_stmt,
if (!STMT_VINFO_DATA_REF (stmt_info))
return false;
- if (tree_int_cst_compare (DR_STEP (dr), size_zero_node) < 0)
+ if (tree_int_cst_compare (loop && nested_in_vect_loop_p (loop, stmt)
+ ? STMT_VINFO_DR_STEP (stmt_info) : DR_STEP (dr),
+ size_zero_node) < 0)
{
if (vect_print_dump_info (REPORT_DETAILS))
fprintf (vect_dump, "negative step for store.");
@@ -4266,7 +4268,10 @@ vectorizable_load (gimple stmt, gimple_stmt_iterator *gsi, gimple *vec_stmt,
if (!STMT_VINFO_DATA_REF (stmt_info))
return false;
- negative = tree_int_cst_compare (DR_STEP (dr), size_zero_node) < 0;
+ negative = tree_int_cst_compare (nested_in_vect_loop
+ ? STMT_VINFO_DR_STEP (stmt_info)
+ : DR_STEP (dr),
+ size_zero_node) < 0;
if (negative && ncopies > 1)
{
if (vect_print_dump_info (REPORT_DETAILS))
@@ -4653,8 +4658,8 @@ vectorizable_load (gimple stmt, gimple_stmt_iterator *gsi, gimple *vec_stmt,
This can only occur when vectorizing memory accesses in the inner-loop
nested within an outer-loop that is being vectorized. */
- if (loop && nested_in_vect_loop_p (loop, stmt)
- && (TREE_INT_CST_LOW (DR_STEP (dr))
+ if (nested_in_vect_loop
+ && (TREE_INT_CST_LOW (STMT_VINFO_DR_STEP (stmt_info))
% GET_MODE_SIZE (TYPE_MODE (vectype)) != 0))
{
gcc_assert (alignment_support_scheme != dr_explicit_realign_optimized);