diff options
Diffstat (limited to 'amd64/emit.c')
| -rw-r--r-- | amd64/emit.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/amd64/emit.c b/amd64/emit.c index 8f29cfc..e7dd724 100644 --- a/amd64/emit.c +++ b/amd64/emit.c @@ -529,7 +529,8 @@ DEFINSTR2(Xmovaps, ) DEFINSTR2(Xxchg, {4|8, PGPR, PGPR, "\x87", EN_RR}, /* XCHG r32/64, r32/64 */ - //{4|8, PGPR, PMEM, "\x87", EN_RM}, /* XCHG r32/64, m32/64 */ + {4|8, PGPR, PMEM, "\x87", EN_RM}, /* XCHG r32/64, m32/64 */ + {4|8, PMEM, PGPR, "\x87", EN_MR}, /* XCHG r32/64, m32/64 */ ) DEFINSTR2(Xlea, {4|8, PGPR, PMEM, "\x8D", EN_RM}, /* LEA r32/64,m32/64 */ @@ -1146,7 +1147,7 @@ emitinstr(uchar **pcode, struct function *fn, struct block *blk, int curi, struc break; case Oswap: if (kisint(cls)) - Xxchg(pcode, cls, mkregoper(ins->l), mkregoper(ins->r)); + Xxchg(pcode, cls, ref2oper(ins->l), mkregoper(ins->r)); else { struct oper l = mkregoper(ins->l), r = mkregoper(ins->r); Xxor(pcode, cls, l, r); |