ck_pr/gcc: Remove useless assignment from volatile load.

include/ck_pr.h

@@ -33,21 +33,7 @@
 #include <ck_stdint.h>
 #include <stdbool.h>
 
-#if defined(__x86_64__)
-#include "gcc/x86_64/ck_pr.h"
-#elif defined(__x86__)
-#include "gcc/x86/ck_pr.h"
-#elif defined(__sparcv9__)
-#include "gcc/sparcv9/ck_pr.h"
-#elif defined(__ppc64__)
-#include "gcc/ppc64/ck_pr.h"
-#elif defined(__ppc__)
-#include "gcc/ppc/ck_pr.h"
-#elif defined(__GNUC__)
 #include "gcc/ck_pr.h"
-#else
-#error Your platform is unsupported
-#endif
 
 #define CK_PR_BIN(K, S, M, T, P, C)					\
 	CK_CC_INLINE static void					\

include/gcc/ck_pr.h

@@ -62,8 +62,7 @@ CK_CC_INLINE static void *
 ck_pr_load_ptr(const void *target)
 {
 
-	void *r = CK_PR_ACCESS(*(void **)target);
-	return r;
+	return CK_PR_ACCESS(*(void **)target);
 }
 
 CK_CC_INLINE static void