Sigh, looks like you need '.set mips2' before you can access MIPS

SYNC instruction.

diff --git a/src/include/storage/s_lock.h b/src/include/storage/s_lock.h
index 459224a96bbaf5fb3c1d49e2f42c1b323e286708..640f044235a1aee278b3bfafd47ab1aa23cca2f9 100644 (file)
--- a/src/include/storage/s_lock.h
+++ b/src/include/storage/s_lock.h
@@ -475,8 +475,14 @@ tas(volatile slock_t *lock)
 /* MIPS S_UNLOCK is almost standard but requires a "sync" instruction */
 #define S_UNLOCK(lock) \
 do \
-{\
-       __asm__ __volatile__ (" sync \n"); \
+{ \
+       __asm__ __volatile__( \
+               "       .set push           \n" \
+               "       .set mips2          \n" \
+               "       .set noreorder      \n" \
+               "       .set nomacro        \n" \
+               "       sync                \n" \
+               "       .set pop              "); \
        *((volatile slock_t *) (lock)) = 0; \
 } while (0)