vec_replace_unaligned

Purpose

Replaces some bytes of a vector with a given value, not necessarily aligned where an element of that size is normally placed.

Note: This built-in function is valid only when the -mcpu option is set to target Power10 processors.

Syntax

d=vec_replace_unaligned(a,b,c)

Result and argument types

The following table describes the types of the returned value and the function arguments.

Table 1. Result and argument types
d	a	b	c
vector signed int	vector signed int	signed int	const int
vector unsigned int	vector unsigned int	unsigned int	const int
vector signed long long	vector signed long long	signed long long	const int
vector unsigned long long	vector unsigned long long	unsigned long long	const int
vector float	vector float	float	const int
vector double	vector double	double	const int

Note: The value of c must be in the range 0 to 15, inclusive.

Result value

The result d is set to the value of a. Then the value of b is written to d starting at the byte position indicated by c in left-to-right byte order.