__builtin_mma_xvbf16ger2np

Purpose

VSX Vector bfloat16 GER (Rank-2 Update) Negative multiply and Positive accumulate.

Note: This built-in function is valid only when both of the following conditions are met:
  • The -mcpu option is set to target Power10 processors.
  • The compiler mode is 64-bit.

Syntax

__builtin_mma_xvbf16ger2np(a,b,c)

Argument types

The following table describes the types of the function arguments.

Table 1. Types of the function arguments
a b c
__vector_quad* vector unsigned char vector unsigned char