#include <stdio.h> /* Test BFP multiply and add/sub 32/64-bit. There are no such insns working with 128-bit data */ void maebr(float v1, float v2, float v3) { float r1 = v1; __asm__ volatile("maebr %[r1],%[r3],%[r2]" : [r1]"+f"(r1) : [r2]"f"(v2), [r3]"f"(v3)); printf("maebr %f * %f + %f -> %f\n", v2, v3, v1, r1); } void madbr(double v1, double v2, double v3) { double r1 = v1; __asm__ volatile("madbr %[r1],%[r3],%[r2]" : [r1]"+f"(r1) : [r2]"f"(v2), [r3]"f"(v3)); printf("madbr %f * %f + %f -> %f\n", v2, v3, v1, r1); } void msebr(float v1, float v2, float v3) { float r1 = v1; __asm__ volatile("msebr %[r1],%[r3],%[r2]" : [r1]"+f"(r1) : [r2]"f"(v2), [r3]"f"(v3)); printf("msebr %f * %f - %f -> %f\n", v2, v3, v1, r1); } void msdbr(double v1, double v2, double v3) { double r1 = v1; __asm__ volatile("msdbr %[r1],%[r3],%[r2]" : [r1]"+f"(r1) : [r2]"f"(v2), [r3]"f"(v3)); printf("msdbr %f * %f - %f -> %f\n", v2, v3, v1, r1); } int main(void) { // multiply and add maebr(10.5f, 20.25, 3.0); // 4 byte values madbr(-10.5, 42.75, -2.0); // 8 byte values // multiply and sub msebr(10.5f, 20.25, 3.0); // 4 byte values msdbr(-10.5, 42.75, -2.0); // 8 byte values return 0; }