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-rw-r--r--gcc/expmed.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c
index 7cbc8573f7d..af5e56fdd75 100644
--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -350,14 +350,14 @@ store_bit_field (str_rtx, bitsize, bitnum, fieldmode, value, align, total_size)
done with a simple store. For targets that support fast unaligned
memory, any naturally sized, unit aligned field can be done directly. */
- if (bitsize == GET_MODE_BITSIZE (fieldmode)
+ if (bitnum == 0
+ && bitsize == GET_MODE_BITSIZE (fieldmode)
&& (GET_CODE (op0) != MEM
? (GET_MODE_SIZE (fieldmode) >= UNITS_PER_WORD
|| GET_MODE_SIZE (GET_MODE (op0)) == GET_MODE_SIZE (fieldmode))
: (! SLOW_UNALIGNED_ACCESS (fieldmode, align)
|| (offset * BITS_PER_UNIT % bitsize == 0
- && align % GET_MODE_BITSIZE (fieldmode) == 0)))
- && (BYTES_BIG_ENDIAN ? bitpos + bitsize == unit : bitpos == 0))
+ && align % GET_MODE_BITSIZE (fieldmode) == 0))))
{
if (GET_MODE (op0) != fieldmode)
{
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