diff options
Diffstat (limited to 'gcc/combine.c')
-rw-r--r-- | gcc/combine.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index fe5cce5..50b1876 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -11130,6 +11130,9 @@ simplify_comparison (code, pop0, pop1) represents the low part, permute the SUBREG and the AND and try again. */ if (GET_CODE (XEXP (op0, 0)) == SUBREG + /* Require an integral mode, to avoid creating something like + (AND:SF ...). */ + && SCALAR_INT_MODE_P (GET_MODE (SUBREG_REG (XEXP (op0, 0)))) /* It is unsafe to commute the AND into the SUBREG if the SUBREG is paradoxical and WORD_REGISTER_OPERATIONS is not defined. As originally written the upper bits have a defined value |