diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/expmed.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c index 59734d4..bbdd0e7 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -806,7 +806,8 @@ store_bit_field_1 (rtx str_rtx, poly_uint64 bitsize, poly_uint64 bitnum, } } else if (constant_multiple_p (bitnum, regsize * BITS_PER_UNIT, ®num) - && multiple_p (bitsize, regsize * BITS_PER_UNIT)) + && multiple_p (bitsize, regsize * BITS_PER_UNIT) + && known_ge (GET_MODE_BITSIZE (GET_MODE (op0)), bitsize)) { sub = simplify_gen_subreg (fieldmode, op0, GET_MODE (op0), regnum * regsize); |