[llvm] [AMDGPU][NFC] Update gating target feature for SWMMAC instructions (PR #190012)

[Chinmay Deshpande via llvm-commits]

https://github.com/chinmaydd created https://github.com/llvm/llvm-project/pull/190012

None

>From c26411f53bede4ef5befc861f31e8eddabae2d62 Mon Sep 17 00:00:00 2001
From: Chinmay Deshpande <chdeshpa at amd.com>
Date: Wed, 1 Apr 2026 13:56:19 -0400
Subject: [PATCH] [AMDGPU][NFC] Update gating target feature for SWMMAC
 instructions

---
 llvm/lib/Target/AMDGPU/VOP3PInstructions.td | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/llvm/lib/Target/AMDGPU/VOP3PInstructions.td b/llvm/lib/Target/AMDGPU/VOP3PInstructions.td
index 554273675077b..6a0cdd26f6fb3 100644
--- a/llvm/lib/Target/AMDGPU/VOP3PInstructions.td
+++ b/llvm/lib/Target/AMDGPU/VOP3PInstructions.td
@@ -2443,6 +2443,7 @@ defm V_WMMA_F32_16X16X16_BF8_FP8_w64 : VOP3P_Real_WMMA_gfx1170_gfx12w64 <0x048,
 defm V_WMMA_F32_16X16X16_BF8_BF8_w64 : VOP3P_Real_WMMA_gfx1170_gfx12w64 <0x049, F32_FP8BF8_WMMA_w64>;
 defm V_WMMA_I32_16X16X32_IU4_w64     : VOP3P_Real_WMMA_gfx1170_gfx12w64 <0x04a, I32_IU4X32_WMMA_w64>;
 
+let OtherPredicates = [HasSWMMACGfx1200Insts] in {
 defm V_SWMMAC_F32_16X16X32_F16_w32     : VOP3P_Real_WMMA_gfx1170_gfx12 <0x050, F32_F16_SWMMAC_w32>;
 defm V_SWMMAC_F32_16X16X32_BF16_w32    : VOP3P_Real_WMMA_gfx1170_gfx12 <0x051, F32_BF16_SWMMAC_w32>;
 defm V_SWMMAC_F16_16X16X32_F16_w32     : VOP3P_Real_WMMA_gfx1170_gfx12 <0x052, F16_F16_SWMMAC_w32>;
@@ -2466,6 +2467,7 @@ defm V_SWMMAC_F32_16X16X32_FP8_FP8_w64 : VOP3P_Real_WMMA_gfx1170_gfx12w64 <0x057
 defm V_SWMMAC_F32_16X16X32_FP8_BF8_w64 : VOP3P_Real_WMMA_gfx1170_gfx12w64 <0x058, F32_FP8BF8_SWMMAC_w64>;
 defm V_SWMMAC_F32_16X16X32_BF8_FP8_w64 : VOP3P_Real_WMMA_gfx1170_gfx12w64 <0x059, F32_FP8BF8_SWMMAC_w64>;
 defm V_SWMMAC_F32_16X16X32_BF8_BF8_w64 : VOP3P_Real_WMMA_gfx1170_gfx12w64 <0x05a, F32_FP8BF8_SWMMAC_w64>;
+} // End OtherPredicates = [HasSWMMACGfx1200Insts]
 
 defm V_WMMA_F32_16X16X4_F32_w32       : VOP3P_Real_WMMA_gfx1250 <0x05d, F32_F32_WMMA_w32>;
 defm V_WMMA_F32_16X16X32_BF16_w32     : VOP3P_Real_WMMA_gfx1250 <0x062, F32_BF16X32_WMMA_w32>;
@@ -2501,6 +2503,7 @@ defm V_WMMA_SCALE_F32_32X16X128_F4_w32   : VOP3PX2_Real_ScaledWMMA_F4 <"gfx1250"
 defm V_WMMA_SCALE16_F32_32X16X128_F4_w32 : VOP3PX2_Real_ScaledWMMA_F4 <"gfx1250", 0x088, 0x3a, F32_32X16X128_F4_SCALE16_w32>;
 } // End WaveSizePredicate = isWave32, SubtargetPredicate = isGFX1250Plus, DecoderNamespace = "GFX1250"
 
+let OtherPredicates = [HasSWMMACGfx1250Insts] in {
 defm V_SWMMAC_F32_16X16X64_F16_w32      : VOP3P_Real_WMMA_gfx1250 <0x065, F32_F16X64_SWMMAC_w32>;
 defm V_SWMMAC_F32_16X16X64_BF16_w32     : VOP3P_Real_WMMA_gfx1250 <0x066, F32_BF16X64_SWMMAC_w32>;
 defm V_SWMMAC_F16_16X16X64_F16_w32      : VOP3P_Real_WMMA_gfx1250 <0x067, F16_F16X64_SWMMAC_w32>;
@@ -2515,6 +2518,7 @@ defm V_SWMMAC_F16_16X16X128_FP8_BF8_w32 : VOP3P_Real_WMMA_gfx1250 <0x078, F16_FP
 defm V_SWMMAC_F16_16X16X128_BF8_FP8_w32 : VOP3P_Real_WMMA_gfx1250 <0x079, F16_FP8BF8X128_SWMMAC_w32>;
 defm V_SWMMAC_F16_16X16X128_BF8_BF8_w32 : VOP3P_Real_WMMA_gfx1250 <0x07a, F16_FP8BF8X128_SWMMAC_w32>;
 defm V_SWMMAC_I32_16X16X128_IU8_w32     : VOP3P_Real_WMMA_gfx1250 <0x07b, I32_IU8X128_SWMMAC_w32>;
+} // End OtherPredicates = [HasSWMMACGfx1250Insts]
 
 multiclass VOP3P_Real_with_name<GFXGen Gen, bits<8> op,
                           string backing_ps_name = NAME,