dev-db/postgresql/files/postgresql-13.3-riscv-spinlocks.patch


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--- a/src/include/storage/s_lock.h
+++ b/src/include/storage/s_lock.h
@@ -315,12 +315,12 @@
 #endif	 /* __ia64__ || __ia64 */
 
 /*
- * On ARM and ARM64, we use __sync_lock_test_and_set(int *, int) if available.
+ * On ARM, ARM64 and RISC-V, we use __sync_lock_test_and_set(int *, int) if available.
  *
  * We use the int-width variant of the builtin because it works on more chips
  * than other widths.
  */
-#if defined(__arm__) || defined(__arm) || defined(__aarch64__) || defined(__aarch64)
+#if defined(__arm__) || defined(__arm) || defined(__aarch64__) || defined(__aarch64) || defined(__riscv)
 #ifdef HAVE_GCC__SYNC_INT32_TAS
 #define HAS_TEST_AND_SET
 
@@ -337,7 +337,7 @@
 #define S_UNLOCK(lock) __sync_lock_release(lock)
 
 #endif	 /* HAVE_GCC__SYNC_INT32_TAS */
-#endif	 /* __arm__ || __arm || __aarch64__ || __aarch64 */
+#endif	 /* __arm__ || __arm || __aarch64__ || __aarch64 || __riscv */
 
 
 /* S/390 and S/390x Linux (32- and 64-bit zSeries) */