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Editing: extra_vsx4_mma.c
#ifndef __VSX__ #error "VSX is not supported" #endif #include <altivec.h> typedef __vector float fv4sf_t; typedef __vector unsigned char vec_t; int main(void) { __vector_quad acc0; float a[4] = {0,1,2,3}; float b[4] = {0,1,2,3}; vec_t *va = (vec_t *) a; vec_t *vb = (vec_t *) b; __builtin_mma_xvf32ger(&acc0, va[0], vb[0]); fv4sf_t result[4]; __builtin_mma_disassemble_acc((void *)result, &acc0); fv4sf_t c0 = result[0]; return (int)((float*)&c0)[0]; }
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