Commit b2a8e592 authored by Fabrice Bellard's avatar Fabrice Bellard
Browse files

fxam test 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1996 c046a42c-6fe2-441c-8c8c-71466251a162
parent 447c2cef

tests/test-i386.c

+11 −0
Original line number Diff line number Diff line
@@ -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);