Module Name:    src
Committed By:   christos
Date:           Sun Jan 19 20:20:31 UTC 2025

Modified Files:
        src/external/lgpl2/userspace-rcu/dist/include/urcu/uatomic: sparc64.h

Log Message:
Actually it is better to let gcc doit.


To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 \
    src/external/lgpl2/userspace-rcu/dist/include/urcu/uatomic/sparc64.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/external/lgpl2/userspace-rcu/dist/include/urcu/uatomic/sparc64.h
diff -u src/external/lgpl2/userspace-rcu/dist/include/urcu/uatomic/sparc64.h:1.2 src/external/lgpl2/userspace-rcu/dist/include/urcu/uatomic/sparc64.h:1.3
--- src/external/lgpl2/userspace-rcu/dist/include/urcu/uatomic/sparc64.h:1.2	Sun Jan 19 15:15:12 2025
+++ src/external/lgpl2/userspace-rcu/dist/include/urcu/uatomic/sparc64.h	Sun Jan 19 15:20:31 2025
@@ -20,6 +20,7 @@
 extern "C" {
 #endif
 
+#ifdef __sparc_v9__
 /* cmpxchg */
 
 static inline __attribute__((always_inline))
@@ -29,7 +30,6 @@ unsigned long _uatomic_cmpxchg(void *add
 	switch (len) {
 	case 4:
 	{
-#ifdef __sparc_v9__
 		__asm__ __volatile__ (
 			"membar #StoreLoad | #LoadLoad\n\t"
                         "cas [%1],%2,%0\n\t"
@@ -37,20 +37,6 @@ unsigned long _uatomic_cmpxchg(void *add
                         : "+&r" (_new)
                         : "r" (addr), "r" (old)
                         : "memory");
-#else
-		__asm__ __volatile__ (
-			"ldstub [%%sp-1], %%g0\n\t"
-			"ld [%1], %%g1\n\t"
-			"cmp %%g1, %2\n\t"
-			"bne,a 1f\n\t"
-			" mov %2, %0\n\t"
-			"st %0, [%1]\n\t"
-			"stbar\n\t"
-			"1:\n\t"
-			: "+&r" (_new)
-			: "r" (addr), "r" (old)
-			: "memory", "%g1");
-#endif
 
 		return _new;
 	}
@@ -79,11 +65,11 @@ unsigned long _uatomic_cmpxchg(void *add
 						caa_cast_long_keep_sign(old),  \
 						caa_cast_long_keep_sign(_new), \
 						sizeof(*(addr))))
-
+#endif
 #ifdef __cplusplus
 }
 #endif
 
 #include <urcu/uatomic/generic.h>
 
-#endif /* _URCU_ARCH_UATOMIC_PPC_H */
+#endif /* _URCU_ARCH_UATOMIC_SPARC64_H */

Reply via email to