diff options
Diffstat (limited to 'gcc/tree-vect-generic.c')
| -rw-r--r-- | gcc/tree-vect-generic.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/tree-vect-generic.c b/gcc/tree-vect-generic.c index cc834e4f..dd58cb9 100644 --- a/gcc/tree-vect-generic.c +++ b/gcc/tree-vect-generic.c @@ -1,5 +1,5 @@ /* Lower vector operations to scalar operations. - Copyright (C) 2004, 2005 Free Software Foundation, Inc. + Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of GCC. @@ -411,6 +411,11 @@ expand_vector_operations_1 (block_stmt_iterator *bsi) gcc_assert (code != CONVERT_EXPR); op = optab_for_tree_code (code, type); + /* For widening vector operations, the relevant type is of the arguments, + not the widened result. */ + if (code == WIDEN_SUM_EXPR) + type = TREE_TYPE (TREE_OPERAND (rhs, 0)); + /* Optabs will try converting a negation into a subtraction, so look for it as well. TODO: negation of floating-point vectors might be turned into an exclusive OR toggling the sign bit. */ |