From b3a131698c0265a90e09540301b254aedb794b6b Mon Sep 17 00:00:00 2001
From: "Herman S." <429230+has207@users.noreply.github.com>
Date: Sat, 25 Oct 2025 16:09:21 +0900
Subject: [PATCH] [x64] Fix AVX512 optimization path for vadduws

---
 src/xenia/cpu/backend/x64/x64_seq_vector.cc | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/xenia/cpu/backend/x64/x64_seq_vector.cc b/src/xenia/cpu/backend/x64/x64_seq_vector.cc
index 1eacbbe39..685f73c7b 100644
--- a/src/xenia/cpu/backend/x64/x64_seq_vector.cc
+++ b/src/xenia/cpu/backend/x64/x64_seq_vector.cc
@@ -671,11 +671,11 @@ struct VECTOR_ADD
               if (saturate) {
                 if (is_unsigned) {
                   if (e.IsFeatureEnabled(kX64EmitAVX512Ortho)) {
-                    e.vpaddd(dest, src1, src2);
-                    Opmask saturate = e.k1;
-                    // _mm_cmplt_epu32_mask
-                    e.vpcmpud(saturate, dest, src1, 0x1);
-                    e.vpternlogd(dest | saturate, dest, dest, 0xFF);
+                    e.vpaddd(e.xmm1, src1, src2);
+                    Opmask no_overflow = e.k1;
+                    e.vpcmpud(no_overflow, e.xmm1, src1, 0x5);
+                    e.vpcmpeqd(dest, dest, dest);
+                    e.vmovdqa32(dest | no_overflow, e.xmm1);
                     return;
                   }