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 d7cd2c89c482a2b464e1f0c03028bb29c39d0154..baa35ca705c823e8b4077ae1ca321c9e6ce73c0e 100644
--- a/tests/validator/rewrite_nontemporals.c
+++ b/tests/validator/rewrite_nontemporals.c
@@ -51,13 +51,13 @@ 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"