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Reduce random casting in looks_like_valid_lisp_pointer_p().
[sbcl.git]
/
src
/
runtime
/
x86-arch.h
diff --git
a/src/runtime/x86-arch.h
b/src/runtime/x86-arch.h
index
2dfac47
..
1200ef1
100644
(file)
--- a/
src/runtime/x86-arch.h
+++ b/
src/runtime/x86-arch.h
@@
-18,7
+18,8
@@
* here? (The answer wasn't obvious to me when merging the
* architecture-abstracting patches for CSR's SPARC port. -- WHN 2002-02-15) */
* here? (The answer wasn't obvious to me when merging the
* architecture-abstracting patches for CSR's SPARC port. -- WHN 2002-02-15) */
-#include "interr.h"
+#define COMPILER_BARRIER \
+ do { __asm__ __volatile__ ( "" : : : "memory"); } while (0)
static inline void
get_spinlock(volatile lispobj *word, unsigned long value)
static inline void
get_spinlock(volatile lispobj *word, unsigned long value)
@@
-48,7
+49,14
@@
get_spinlock(volatile lispobj *word, unsigned long value)
#endif
}
#endif
}
-#include <stdio.h>
+static inline void
+release_spinlock(volatile lispobj *word)
+{
+ /* See comment in RELEASE-SPINLOCK in target-thread.lisp. */
+ COMPILER_BARRIER;
+ *word=0;
+ COMPILER_BARRIER;
+}
static inline lispobj
swap_lispobjs(volatile lispobj *dest, lispobj value)
static inline lispobj
swap_lispobjs(volatile lispobj *dest, lispobj value)
@@
-68,14
+76,6
@@
swap_lispobjs(volatile lispobj *dest, lispobj value)
return old_value;
}
return old_value;
}
-static inline void
-release_spinlock(volatile lispobj *word)
-{
- /* A memory barrier is needed, use swap_lispobjs. See comment in
- * RELEASE-SPINLOCK in target-thread.lisp. */
- swap_lispobjs(word,0);
-}
-
extern void fast_bzero_detect(void *, size_t);
extern void (*fast_bzero_pointer)(void *, size_t);
extern void fast_bzero_detect(void *, size_t);
extern void (*fast_bzero_pointer)(void *, size_t);