cen64/arch/x86_64/fpu/trunc_i32_f32.h
2014-11-09 18:27:14 -05:00

22 lines
474 B
C

//
// arch/x86_64/fpu/trunc_i32_f32.h
//
// This file is subject to the terms and conditions defined in
// 'LICENSE', which is part of this source code package.
//
#include "common.h"
#include <emmintrin.h>
#include <string.h>
static inline void fpu_trunc_i32_f32(const uint32_t *fs, uint32_t *fd) {
float fs_float;
__m128 fs_reg;
// Prevent aliasing.
memcpy(&fs_float, fs, sizeof(fs_float));
fs_reg = _mm_set_ss(fs_float);
*fd = _mm_cvttss_si32(fs_reg);
}