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 b4e2ab202e5f4f34966609296e533298fe2ee0d7..aaad9ad557172f469d217066294b3a5b0f04e8a2 100644 (file)
--- a/src/include/storage/s_lock.h
+++ b/src/include/storage/s_lock.h
@@ -66,7 +66,7 @@
  * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- *       $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.139 2005/08/28 18:26:01 tgl Exp $
+ *       $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.140 2005/08/29 00:41:34 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -490,8 +490,14 @@ 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)