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Diffstat (limited to 'gcc/config/spu/spu.c')
-rw-r--r--gcc/config/spu/spu.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/config/spu/spu.c b/gcc/config/spu/spu.c
index 83bd9f51315..b40d12c0149 100644
--- a/gcc/config/spu/spu.c
+++ b/gcc/config/spu/spu.c
@@ -419,7 +419,8 @@ valid_subreg (rtx op)
enum machine_mode im = GET_MODE (SUBREG_REG (op));
return om != VOIDmode && im != VOIDmode
&& (GET_MODE_SIZE (im) == GET_MODE_SIZE (om)
- || (GET_MODE_SIZE (im) <= 4 && GET_MODE_SIZE (om) <= 4));
+ || (GET_MODE_SIZE (im) <= 4 && GET_MODE_SIZE (om) <= 4)
+ || (GET_MODE_SIZE (im) >= 16 && GET_MODE_SIZE (om) >= 16));
}
/* When insv and ext[sz]v ar passed a TI SUBREG, we want to strip it off
@@ -429,8 +430,10 @@ adjust_operand (rtx op, HOST_WIDE_INT * start)
{
enum machine_mode mode;
int op_size;
- /* Strip any SUBREG */
- if (GET_CODE (op) == SUBREG)
+ /* Strip any paradoxical SUBREG. */
+ if (GET_CODE (op) == SUBREG
+ && (GET_MODE_BITSIZE (GET_MODE (op))
+ > GET_MODE_BITSIZE (GET_MODE (SUBREG_REG (op)))))
{
if (start)
*start -=