diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/expmed.c | 4 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr47968.c | 11 |
4 files changed, 23 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a968fe7..9c4631a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2011-03-04 Richard Guenther <rguenther@suse.de> + PR middle-end/47968 + * expmed.c (extract_bit_field_1): Prefer vector modes that + vec_extract patterns can handle. + +2011-03-04 Richard Guenther <rguenther@suse.de> + PR middle-end/47975 * optabs.c (optab_for_tree_code): Do not use VECTOR_MODE_P. diff --git a/gcc/expmed.c b/gcc/expmed.c index f17abb5..b0c1e23 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -1205,7 +1205,6 @@ extract_bit_field_1 (rtx str_rtx, unsigned HOST_WIDE_INT bitsize, && GET_MODE_INNER (GET_MODE (op0)) != tmode) { enum machine_mode new_mode; - int nunits = GET_MODE_NUNITS (GET_MODE (op0)); if (GET_MODE_CLASS (tmode) == MODE_FLOAT) new_mode = MIN_MODE_VECTOR_FLOAT; @@ -1221,8 +1220,7 @@ extract_bit_field_1 (rtx str_rtx, unsigned HOST_WIDE_INT bitsize, new_mode = MIN_MODE_VECTOR_INT; for (; new_mode != VOIDmode ; new_mode = GET_MODE_WIDER_MODE (new_mode)) - if (GET_MODE_NUNITS (new_mode) == nunits - && GET_MODE_SIZE (new_mode) == GET_MODE_SIZE (GET_MODE (op0)) + if (GET_MODE_SIZE (new_mode) == GET_MODE_SIZE (GET_MODE (op0)) && targetm.vector_mode_supported_p (new_mode)) break; if (new_mode != VOIDmode) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index c105422..e49bd79 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2011-03-04 Richard Guenther <rguenther@suse.de> + PR middle-end/47968 + * gcc.dg/torture/pr47968.c: New testcase. + +2011-03-04 Richard Guenther <rguenther@suse.de> + PR middle-end/47975 * gcc.dg/torture/pr47975.c: New testcase. diff --git a/gcc/testsuite/gcc.dg/torture/pr47968.c b/gcc/testsuite/gcc.dg/torture/pr47968.c new file mode 100644 index 0000000..5d60a0f --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr47968.c @@ -0,0 +1,11 @@ +/* { dg-do compile } */ + +typedef __attribute__ ((vector_size (16))) float float4; +typedef __attribute__ ((vector_size (16))) double double2; + +float foo (double2 d2) +{ + float4 f4 = (float4) d2; + return *(float *) &f4; +} + |