diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr52750.c | 11 | ||||
| -rw-r--r-- | gcc/tree-vect-generic.c | 5 |
4 files changed, 25 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3509bda..a33cac3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-03-28 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/52750 + * tree-vect-generic.c (vector_element): Perform multiplication + for pos in bitsizetype type instead of idx type. + 2012-03-28 Richard Guenther <rguenther@suse.de> * loop-init.c (loop_optimizer_init): If loops are preserved diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index d4d2bc1..d334475 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2012-03-28 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/52750 + * gcc.c-torture/compile/pr52750.c: New test. + 2012-03-28 Georg-Johann Lay <avr@gjlay.de> PR target/52692 diff --git a/gcc/testsuite/gcc.c-torture/compile/pr52750.c b/gcc/testsuite/gcc.c-torture/compile/pr52750.c new file mode 100644 index 0000000..36391ba --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr52750.c @@ -0,0 +1,11 @@ +/* PR middle-end/52750 */ + +typedef signed char V __attribute__((vector_size (32))); + +void +foo (V *x) +{ + V m = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}; + *x = __builtin_shuffle (*x, m); +} diff --git a/gcc/tree-vect-generic.c b/gcc/tree-vect-generic.c index 203f62c..e0146c2 100644 --- a/gcc/tree-vect-generic.c +++ b/gcc/tree-vect-generic.c @@ -567,8 +567,9 @@ vector_element (gimple_stmt_iterator *gsi, tree vect, tree idx, tree *ptmpvec) else { tree size = TYPE_SIZE (vect_elt_type); - tree pos = fold_build2 (MULT_EXPR, TREE_TYPE (idx), idx, size); - return fold_build3 (BIT_FIELD_REF, vect_elt_type, vect, size, pos); + tree pos = fold_build2 (MULT_EXPR, bitsizetype, bitsize_int (index), + size); + return fold_build3 (BIT_FIELD_REF, vect_elt_type, vect, size, pos); } } |