xref: /qemu/tests/tcg/loongarch64/test_fcsr.c (revision b2a3cbb8)
1 #include <assert.h>
2 
3 int main()
4 {
5     unsigned fcsr;
6 
7     asm("movgr2fcsr $r0,$r0\n\t"
8         "movgr2fr.d $f0,$r0\n\t"
9         "fdiv.d     $f0,$f0,$f0\n\t"
10         "movfcsr2gr %0,$r0"
11         : "=r"(fcsr) : : "f0");
12 
13     assert(fcsr & (16 << 16)); /* Invalid */
14     return 0;
15 }
16