From 4028408140a32aee95dcbaa11da77126f3cfc425 Mon Sep 17 00:00:00 2001
From: Max Charlamb <44248479+max-charlamb@users.noreply.github.com>
Date: Tue, 22 Jul 2025 15:43:14 -0400
Subject: [PATCH 1/2] treat displacement as signed value

---
 src/coreclr/jit/hwintrinsiccodegenxarch.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/coreclr/jit/hwintrinsiccodegenxarch.cpp b/src/coreclr/jit/hwintrinsiccodegenxarch.cpp
index 361e9ae8eee6ed..70b16814b0cdb8 100644
--- a/src/coreclr/jit/hwintrinsiccodegenxarch.cpp
+++ b/src/coreclr/jit/hwintrinsiccodegenxarch.cpp
@@ -1977,7 +1977,7 @@ void CodeGen::genBaseIntrinsic(GenTreeHWIntrinsic* node, insOpts instOptions)
             noway_assert(simdInitTempVarNum != BAD_VAR_NUM);
 
             bool     isEBPbased;
-            unsigned offs = compiler->lvaFrameAddress(simdInitTempVarNum, &isEBPbased);
+            int offs = compiler->lvaFrameAddress(simdInitTempVarNum, &isEBPbased);
 
 #if !FEATURE_FIXED_OUT_ARGS
             if (!isEBPbased)

From 9ac897ff5bb1f612fa128a255428b58e895cdb01 Mon Sep 17 00:00:00 2001
From: Max Charlamb <44248479+max-charlamb@users.noreply.github.com>
Date: Tue, 22 Jul 2025 16:09:05 -0400
Subject: [PATCH 2/2] fix another occurrence and auto-format

---
 src/coreclr/jit/hwintrinsiccodegenxarch.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/coreclr/jit/hwintrinsiccodegenxarch.cpp b/src/coreclr/jit/hwintrinsiccodegenxarch.cpp
index 70b16814b0cdb8..ad778486320e07 100644
--- a/src/coreclr/jit/hwintrinsiccodegenxarch.cpp
+++ b/src/coreclr/jit/hwintrinsiccodegenxarch.cpp
@@ -1976,8 +1976,8 @@ void CodeGen::genBaseIntrinsic(GenTreeHWIntrinsic* node, insOpts instOptions)
             unsigned simdInitTempVarNum = compiler->lvaSIMDInitTempVarNum;
             noway_assert(simdInitTempVarNum != BAD_VAR_NUM);
 
-            bool     isEBPbased;
-            int offs = compiler->lvaFrameAddress(simdInitTempVarNum, &isEBPbased);
+            bool isEBPbased;
+            int  offs = compiler->lvaFrameAddress(simdInitTempVarNum, &isEBPbased);
 
 #if !FEATURE_FIXED_OUT_ARGS
             if (!isEBPbased)
@@ -2137,8 +2137,8 @@ void CodeGen::genBaseIntrinsic(GenTreeHWIntrinsic* node, insOpts instOptions)
                 unsigned simdInitTempVarNum = compiler->lvaSIMDInitTempVarNum;
                 noway_assert(simdInitTempVarNum != BAD_VAR_NUM);
 
-                bool     isEBPbased;
-                unsigned offs = compiler->lvaFrameAddress(simdInitTempVarNum, &isEBPbased);
+                bool isEBPbased;
+                int  offs = compiler->lvaFrameAddress(simdInitTempVarNum, &isEBPbased);
 
 #if !FEATURE_FIXED_OUT_ARGS
                 if (!isEBPbased)