diff options
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index ac5e9655c36..2a4bdb9fcdb 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -707,7 +707,8 @@ gen_lowpart_common (mode, x) return gen_rtx_fmt_e (GET_CODE (x), mode, XEXP (x, 0)); } else if (GET_CODE (x) == SUBREG - && (GET_MODE_SIZE (mode) <= UNITS_PER_WORD + && (GET_MODE_SIZE (mode) <= GET_MODE_SIZE (GET_MODE (SUBREG_REG (x))) + || GET_MODE_SIZE (mode) <= UNITS_PER_WORD || GET_MODE_SIZE (mode) == GET_MODE_UNIT_SIZE (GET_MODE (x)))) return (GET_MODE (SUBREG_REG (x)) == mode && SUBREG_WORD (x) == 0 ? SUBREG_REG (x) |