vec_sldw
用途
将两个并置向量左移给定的 4 字节数目。
语法
d=vec_sldw(a, b, c)结果和参数类型
下表描述了返回值和函数参数的类型。
| d | a | b | c |
|---|---|---|---|
与参数 a 的类型相同 |
vector bool char | 与参数 a 的类型相同 |
0–3 |
| vector signed char | |||
| vector unsigned char | |||
| vector bool short | |||
| vector signed short | |||
| vector unsigned short | |||
| vector bool int | |||
| vector signed int | |||
| vector unsigned int | |||
| vector bool long long | |||
| vector signed long long | |||
| vector unsigned long long | |||
| vector float | |||
| 向量双精度 |
结果值
结果是通过将 a 和 b并置并将 c指定的 4 字节数向左移位而获得的最重要的 16 个字节。