From 65227ef325aa0dafd895ba9c6b15c41b8426cbac Mon Sep 17 00:00:00 2001
From: Georg Lehmann <dadschoorse@gmail.com>
Date: Sat, 4 Oct 2025 14:13:31 +0200
Subject: [PATCH] ac/llvm: support nir_atomic_op_isub

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37702>
---
 src/amd/llvm/ac_nir_to_llvm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/amd/llvm/ac_nir_to_llvm.c b/src/amd/llvm/ac_nir_to_llvm.c
index b92af5be26d..520b17c0c81 100644
--- a/src/amd/llvm/ac_nir_to_llvm.c
+++ b/src/amd/llvm/ac_nir_to_llvm.c
@@ -1727,6 +1727,7 @@ translate_atomic_op_str(nir_atomic_op op)
 {
    switch (op) {
    case nir_atomic_op_iadd:     return "add";
+   case nir_atomic_op_isub:     return "sub";
    case nir_atomic_op_imin:     return "smin";
    case nir_atomic_op_umin:     return "umin";
    case nir_atomic_op_imax:     return "smax";
@@ -1751,6 +1752,7 @@ translate_atomic_op(nir_atomic_op op)
 {
    switch (op) {
    case nir_atomic_op_iadd: return LLVMAtomicRMWBinOpAdd;
+   case nir_atomic_op_isub: return LLVMAtomicRMWBinOpSub;
    case nir_atomic_op_xchg: return LLVMAtomicRMWBinOpXchg;
    case nir_atomic_op_iand: return LLVMAtomicRMWBinOpAnd;
    case nir_atomic_op_ior:  return LLVMAtomicRMWBinOpOr;