diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 75609eaf9b7..3e3d96fe087 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -3643,8 +3643,7 @@
 			  gen_lowpart (<ssebytemode>mode, operands[1]));
   operands[2] = gen_lowpart (<ssebytemode>mode, operands[2]);
 
-  if (!MEM_P (operands[3]))
-    operands[3] = force_reg (<ssebytemode>mode, operands[3]);
+  operands[3] = force_reg (<ssebytemode>mode, operands[3]);
   operands[3] = lowpart_subreg (<MODE>mode, operands[3], <ssebytemode>mode);
 })
 
diff --git a/gcc/testsuite/g++.target/i386/pr105953.C b/gcc/testsuite/g++.target/i386/pr105953.C
new file mode 100644
index 00000000000..b423d2dfdae
--- /dev/null
+++ b/gcc/testsuite/g++.target/i386/pr105953.C
@@ -0,0 +1,4 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -mavx512vl -mabi=ms" } */
+
+#include "pr100738-1.C"