diff options
Diffstat (limited to 'tests/test-i386.c')
| -rw-r--r-- | tests/test-i386.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/test-i386.c b/tests/test-i386.c index 95ec5d1509..4d68ae2126 100644 --- a/tests/test-i386.c +++ b/tests/test-i386.c @@ -689,6 +689,37 @@ void test_segs(void) printf("SS[tmp] = %02x\n", res2); } +#define TEST_XCHG(op, size, opconst)\ +{\ + int op0, op1;\ + op0 = 0x12345678;\ + op1 = 0xfbca7654;\ + asm(#op " %" size "0, %" size "1" \ + : "=q" (op0), opconst (op1) \ + : "0" (op0), "1" (op1));\ + printf("%-10s A=%08x B=%08x\n",\ + #op, op0, op1);\ +} + +void test_xchg(void) +{ + TEST_XCHG(xchgl, "", "=q"); + TEST_XCHG(xchgw, "w", "=q"); + TEST_XCHG(xchgb, "b", "=q"); + + TEST_XCHG(xchgl, "", "=m"); + TEST_XCHG(xchgw, "w", "=m"); + TEST_XCHG(xchgb, "b", "=m"); + + TEST_XCHG(xaddl, "", "=q"); + TEST_XCHG(xaddw, "w", "=q"); + TEST_XCHG(xaddb, "b", "=q"); + + TEST_XCHG(xaddl, "", "=m"); + TEST_XCHG(xaddw, "w", "=m"); + TEST_XCHG(xaddb, "b", "=m"); +} + static void *call_end __init_call = NULL; int main(int argc, char **argv) @@ -706,6 +737,7 @@ int main(int argc, char **argv) test_jcc(); test_floats(); test_bcd(); + test_xchg(); test_lea(); test_segs(); return 0; |