diff options
Diffstat (limited to 'tests/test-i386.c')
| -rw-r--r-- | tests/test-i386.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tests/test-i386.c b/tests/test-i386.c index 310a93aebe..df7c1bf8e3 100644 --- a/tests/test-i386.c +++ b/tests/test-i386.c @@ -789,6 +789,12 @@ void test_fcmp(double a, double b) a, b, fpus & FPUS_EMASK, eflags & (CC_Z | CC_P | CC_C)); } 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) @@ -958,12 +964,17 @@ void test_floats(void) test_fcmp(2, 3); test_fcmp(2, q_nan.d); 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(1.0/7.0); test_fcvt(-1.0/9.0); test_fcvt(32768); test_fcvt(-1e20); + test_fcvt(-1.0/0.0); + test_fcvt(1.0/0.0); + test_fcvt(q_nan.d); test_fconst(); test_fbcd(1234567890123456); test_fbcd(-123451234567890); |