# Syntax of gfx1011 and gfx1012 Instructions

## Introduction

This document describes the syntax of instructions specific to gfx1011 and gfx1012.

For a description of other gfx1011 and gfx1012 instructions see Syntax of GFX10 RDNA1 Instructions.

## Notation

Notation used in this document is explained here.

## Overview

An overview of generic syntax and other features of AMDGPU instructions may be found in this document.

## Instructions

### DPP16

    INSTRUCTION            DST      SRC0         SRC1         MODIFIERS
    —————————————————————————————————————————————————————————————————————————————————————————————————————
    v_dot2c_f32_f16_dpp    vdst,    vsrc0:f16x2, vsrc1:f16x2  dpp16_ctrl row_mask bank_mask bound_ctrl fi
    v_dot4c_i32_i8_dpp     vdst,    vsrc0:i8x4,  vsrc1:i8x4   dpp16_ctrl row_mask bank_mask bound_ctrl fi

### DPP8

    INSTRUCTION                    DST       SRC0         SRC1             MODIFIERS
    ——————————————————————————————————————————————————————————————————————————————————
    v_dot2c_f32_f16_dpp            vdst,     vsrc0:f16x2, vsrc1:f16x2      dpp8_sel fi
    v_dot4c_i32_i8_dpp             vdst,     vsrc0:i8x4,  vsrc1:i8x4       dpp8_sel fi

### VOP2

    INSTRUCTION                    DST       SRC0        SRC1
    ————————————————————————————————————————————————————————————————
    v_dot2c_f32_f16                vdst,     src0:f16x2, vsrc1:f16x2
    v_dot4c_i32_i8                 vdst,     src0:i8x4,  vsrc1:i8x4

### VOP3P

    INSTRUCTION                    DST       SRC0        SRC1        SRC2           MODIFIERS
    ———————————————————————————————————————————————————————————————————————————————————————————————————
    v_dot2_f32_f16                 vdst,     src0:f16x2, src1:f16x2, src2:f32       neg_lo neg_hi clamp
    v_dot2_i32_i16                 vdst,     src0:i16x2, src1:i16x2, src2:i32       clamp
    v_dot2_u32_u16                 vdst,     src0:u16x2, src1:u16x2, src2:u32       clamp
    v_dot4_i32_i8                  vdst,     src0:i8x4,  src1:i8x4,  src2:i32       clamp
    v_dot4_u32_u8                  vdst,     src0:u8x4,  src1:u8x4,  src2:u32       clamp
    v_dot8_i32_i4                  vdst,     src0:i4x8,  src1:i4x8,  src2:i32       clamp
    v_dot8_u32_u4                  vdst,     src0:u4x8,  src1:u4x8,  src2:u32       clamp