diff options
| -rw-r--r-- | tests/test-i386.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/test-i386.c b/tests/test-i386.c index 4d68ae2126..907c44ec91 100644 --- a/tests/test-i386.c +++ b/tests/test-i386.c @@ -701,6 +701,18 @@ void test_segs(void) #op, op0, op1);\ } +#define TEST_CMPXCHG(op, size, opconst, eax)\ +{\ + int op0, op1;\ + op0 = 0x12345678;\ + op1 = 0xfbca7654;\ + asm(#op " %" size "0, %" size "1" \ + : "=q" (op0), opconst (op1) \ + : "0" (op0), "1" (op1), "a" (eax));\ + printf("%-10s EAX=%08x A=%08x C=%08x\n",\ + #op, eax, op0, op1);\ +} + void test_xchg(void) { TEST_XCHG(xchgl, "", "=q"); @@ -718,6 +730,22 @@ void test_xchg(void) TEST_XCHG(xaddl, "", "=m"); TEST_XCHG(xaddw, "w", "=m"); TEST_XCHG(xaddb, "b", "=m"); + + TEST_CMPXCHG(cmpxchgl, "", "=q", 0xfbca7654); + TEST_CMPXCHG(cmpxchgw, "w", "=q", 0xfbca7654); + TEST_CMPXCHG(cmpxchgb, "b", "=q", 0xfbca7654); + + TEST_CMPXCHG(cmpxchgl, "", "=q", 0xfffefdfc); + TEST_CMPXCHG(cmpxchgw, "w", "=q", 0xfffefdfc); + TEST_CMPXCHG(cmpxchgb, "b", "=q", 0xfffefdfc); + + TEST_CMPXCHG(cmpxchgl, "", "=m", 0xfbca7654); + TEST_CMPXCHG(cmpxchgw, "w", "=m", 0xfbca7654); + TEST_CMPXCHG(cmpxchgb, "b", "=m", 0xfbca7654); + + TEST_CMPXCHG(cmpxchgl, "", "=m", 0xfffefdfc); + TEST_CMPXCHG(cmpxchgw, "w", "=m", 0xfffefdfc); + TEST_CMPXCHG(cmpxchgb, "b", "=m", 0xfffefdfc); } static void *call_end __init_call = NULL; |