Landing: a9da59174f32

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Project / Subsystem

gcc / rs6000

Date

2026-07-23

Author

Surya Kumari Jangala

Commit

a9da59174f320570072e719d2c9e90def0f93b50

Source

github

Perf win

Breaking

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All attributes

project: gcc
subsystem: rs6000
patch_id: —
commit_hash: a9da59174f320570072e719d2c9e90def0f93b50
source_type: github
headline: rs6000: Builtins for MMA+ bfloat16 and int8 instructions
tldr: Adds builtins for Matrix Multiply Assist Plus bfloat16 and int8 instructions on PowerPC.
author: Surya Kumari Jangala
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • rs6000
• powerpc
• builtins
• mma
• bfloat16
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/a9da59174f320570072e719d2c9e90def0f93b50
date: 2026-07-23T00:00:00.000Z

This commit introduces GCC built-in functions for new Matrix Multiply Assist Plus (MMA+) instructions on PowerPC architectures, specifically targeting bfloat16 and signed 8-bit integer operations. These additions prepare the compiler for potential future hardware that may incorporate these specialized matrix and accumulation capabilities.