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fxam test

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1996 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2006-06-19 22:42:57 +00:00
parent 447c2cefcb
commit b2a8e59224
1 changed files with 11 additions and 0 deletions
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11
tests/test-i386.c
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@ -789,6 +789,12 @@ void test_fcmp(double a, double b)
a, b, fpus & FPUS_EMASK, eflags & (CC_Z | CC_P | CC_C)); a, b, fpus & FPUS_EMASK, eflags & (CC_Z | CC_P | CC_C));
} }
fpu_clear_exceptions(); fpu_clear_exceptions();
asm volatile("fxam\n"
"fstsw %%ax\n"
: "=a" (fpus)
: "t" (a));
printf("fxam(%f)=%04lx\n", a, fpus & 0x4700);
fpu_clear_exceptions();
} }
void test_fcvt(double a) void test_fcvt(double a)
@ -958,12 +964,17 @@ void test_floats(void)
test_fcmp(2, 3); test_fcmp(2, 3);
test_fcmp(2, q_nan.d); test_fcmp(2, q_nan.d);
test_fcmp(q_nan.d, -1); test_fcmp(q_nan.d, -1);
test_fcmp(-1.0/0.0, -1);
test_fcmp(1.0/0.0, -1);
test_fcvt(0.5); test_fcvt(0.5);
test_fcvt(-0.5); test_fcvt(-0.5);
test_fcvt(1.0/7.0); test_fcvt(1.0/7.0);
test_fcvt(-1.0/9.0); test_fcvt(-1.0/9.0);
test_fcvt(32768); test_fcvt(32768);
test_fcvt(-1e20); test_fcvt(-1e20);
test_fcvt(-1.0/0.0);
test_fcvt(1.0/0.0);
test_fcvt(q_nan.d);
test_fconst(); test_fconst();
test_fbcd(1234567890123456); test_fbcd(1234567890123456);
test_fbcd(-123451234567890); test_fbcd(-123451234567890);