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more xadd tests - cmpxchg8b test 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@558 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-01-18 21:57:29 +00:00
parent 6e44ba7fa2
commit d575b78aab
1 changed files with 28 additions and 0 deletions
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28
tests/test-i386.c
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@ -832,6 +832,13 @@ void test_xchg(void)
TEST_XCHG(xaddw, "w", "=q"); TEST_XCHG(xaddw, "w", "=q");
TEST_XCHG(xaddb, "b", "=q"); TEST_XCHG(xaddb, "b", "=q");
{
int res;
res = 0x12345678;
asm("xaddl %1, %0" : "=r" (res) : "0" (res));
printf("xaddl same res=%08x\n", res);
}
TEST_XCHG(xaddl, "", "=m"); TEST_XCHG(xaddl, "", "=m");
TEST_XCHG(xaddw, "w", "=m"); TEST_XCHG(xaddw, "w", "=m");
TEST_XCHG(xaddb, "b", "=m"); TEST_XCHG(xaddb, "b", "=m");
@ -851,6 +858,27 @@ void test_xchg(void)
TEST_CMPXCHG(cmpxchgl, "", "=m", 0xfffefdfc); TEST_CMPXCHG(cmpxchgl, "", "=m", 0xfffefdfc);
TEST_CMPXCHG(cmpxchgw, "w", "=m", 0xfffefdfc); TEST_CMPXCHG(cmpxchgw, "w", "=m", 0xfffefdfc);
TEST_CMPXCHG(cmpxchgb, "b", "=m", 0xfffefdfc); TEST_CMPXCHG(cmpxchgb, "b", "=m", 0xfffefdfc);
{
uint64_t op0, op1, op2;
int i, eflags;
for(i = 0; i < 2; i++) {
op0 = 0x123456789abcd;
if (i == 0)
op1 = 0xfbca765423456;
else
op1 = op0;
op2 = 0x6532432432434;
asm("cmpxchg8b %1\n"
"pushf\n"
"popl %2\n"
: "=A" (op0), "=m" (op1), "=g" (eflags)
: "0" (op0), "m" (op1), "b" ((int)op2), "c" ((int)(op2 >> 32)));
printf("cmpxchg8b: op0=%016llx op1=%016llx CC=%02x\n",
op0, op1, eflags & CC_Z);
}
}
} }
/**********************************************/ /**********************************************/