PR rtl-optimization/55052
* simplify-rtx.c (simplify_subreg): Restore SCALAR_INT_MODE_P check.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@193909
138bc75d-0d04-0410-961f-
82ee72b054a4
+2012-11-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR rtl-optimization/55052
+ * simplify-rtx.c (simplify_subreg): Restore SCALAR_INT_MODE_P check.
+
2012-11-28 David Edelsohn <dje.gcc@gmail.com>
* target.def (use_blocks_for_decl_p): New hook.
/* A SUBREG resulting from a zero extension may fold to zero if
it extracts higher bits that the ZERO_EXTEND's source bits. */
- if (GET_CODE (op) == ZERO_EXTEND)
+ if (GET_CODE (op) == ZERO_EXTEND && SCALAR_INT_MODE_P (innermode))
{
unsigned int bitpos = subreg_lsb_1 (outermode, innermode, byte);
if (bitpos >= GET_MODE_PRECISION (GET_MODE (XEXP (op, 0))))