From f1cd63ec5edabe50519f93140a554f53b92d3e0a Mon Sep 17 00:00:00 2001 From: bstarynk Date: Mon, 18 Jun 2012 05:26:28 +0000 Subject: 2012-06-18 Basile Starynkevitch MELT branch merged with trunk rev 188721 using svnmerge git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@188723 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/tree-vect-generic.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'gcc/tree-vect-generic.c') diff --git a/gcc/tree-vect-generic.c b/gcc/tree-vect-generic.c index 06334bb8fd1..3b9f561bbfb 100644 --- a/gcc/tree-vect-generic.c +++ b/gcc/tree-vect-generic.c @@ -628,6 +628,14 @@ lower_vec_perm (gimple_stmt_iterator *gsi) location_t loc = gimple_location (gsi_stmt (*gsi)); unsigned i; + if (TREE_CODE (mask) == SSA_NAME) + { + gimple def_stmt = SSA_NAME_DEF_STMT (mask); + if (is_gimple_assign (def_stmt) + && gimple_assign_rhs_code (def_stmt) == VECTOR_CST) + mask = gimple_assign_rhs1 (def_stmt); + } + if (TREE_CODE (mask) == VECTOR_CST) { unsigned char *sel_int = XALLOCAVEC (unsigned char, elements); @@ -637,7 +645,11 @@ lower_vec_perm (gimple_stmt_iterator *gsi) & (2 * elements - 1)); if (can_vec_perm_p (TYPE_MODE (vect_type), false, sel_int)) - return; + { + gimple_assign_set_rhs3 (stmt, mask); + update_stmt (stmt); + return; + } } else if (can_vec_perm_p (TYPE_MODE (vect_type), true, NULL)) return; -- cgit v1.2.1