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15 lines
336 B
C
15 lines
336 B
C
#include "pspmath.h"
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float vfpu_powf(float x, float y) {
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float result;
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// result = exp2f(y * log2f(x));
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__asm__ volatile (
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"mtv %1, S000\n"
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"mtv %2, S001\n"
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"vlog2.s S001, S001\n"
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"vmul.s S000, S000, S001\n"
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"vexp2.s S000, S000\n"
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"mfv %0, S000\n"
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: "=r"(result) : "r"(x), "r"(y));
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return result;
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}
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