x86 validator: Implement rewriting "movntps" to "movaps" on x86-32

tests/validator/rewrite_nontemporals.c

Index: tests/validator/rewrite_nontemporals.c
diff --git a/tests/validator/rewrite_nontemporals.c b/tests/validator/rewrite_nontemporals.c
index cbed4b243b08e9353e2cb9032ecaec707e55500b..6e5f65f7e5c5b39e6caa22f0281712e0cab3ac85 100644
--- a/tests/validator/rewrite_nontemporals.c
+++ b/tests/validator/rewrite_nontemporals.c
@@ -46,13 +46,13 @@ int main(void) {
       "movntq %%mm0, g_dest" MEM_SUFFIX "\n" : : : "mm0");
   ASSERT_EQ(memcmp(g_dest, g_src, 8), 0);
 
-#if defined(__x86_64__)
   /* Test movntps. */
   reset_test_vars();
-  asm("movdqa g_src(%%r15), %%xmm0\n"
-      "movntps %%xmm0, g_dest(%%r15)\n" : : : "xmm0");
+  asm("movdqa g_src" MEM_SUFFIX ", %%xmm0\n"
+      "movntps %%xmm0, g_dest" MEM_SUFFIX "\n" : : : "xmm0");
   ASSERT_EQ(memcmp(g_dest, g_src, 16), 0);
 
+#if defined(__x86_64__)
   /* Test movnti, using 32-bit operand. */
   reset_test_vars();
   asm("mov g_src(%%r15), %%eax\n"