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qemu/tests/tcg/loongarch64/test_fcsr.c

16 lines
279 B
C

#include <assert.h>
int main()
{
unsigned fcsr;
asm("movgr2fcsr $r0,$r0\n\t"
"movgr2fr.d $f0,$r0\n\t"
"fdiv.d $f0,$f0,$f0\n\t"
"movfcsr2gr %0,$r0"
: "=r"(fcsr) : : "f0");
assert(fcsr & (16 << 16)); /* Invalid */
return 0;
}