mirror of
https://github.com/n64dev/cen64.git
synced 2025-04-02 10:31:54 -04:00
25 lines
591 B
C
25 lines
591 B
C
//
|
|
// arch/x86_64/fpu/cmp_ult_64.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 uint8_t fpu_cmp_ult_64(
|
|
const uint64_t *fs, const uint64_t *ft) {
|
|
double fs_double, ft_double;
|
|
__m128d fs_reg, ft_reg;
|
|
|
|
// Prevent aliasing.
|
|
memcpy(&fs_double, fs, sizeof(fs_double));
|
|
memcpy(&ft_double, ft, sizeof(ft_double));
|
|
|
|
fs_reg = _mm_set_sd(fs_double);
|
|
ft_reg = _mm_set_sd(ft_double);
|
|
return _mm_comilt_sd(fs_reg, ft_reg);
|
|
}
|
|
|