dquakeplus/source/libpspmath/vfpu_expf.c
2022-02-08 16:49:56 -05:00

14 lines
337 B
C

#include "pspmath.h"
float vfpu_expf(float x) {
float result;
__asm__ volatile (
"mtv %1, S000\n"
"vcst.s S001, VFPU_LN2\n"
"vrcp.s S001, S001\n"
"vmul.s S000, S000, S001\n"
"vexp2.s S000, S000\n"
"mfv %0, S000\n"
: "=r"(result) : "r"(x));
return result;
}