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authorH.J. Lu <hjl.tools@gmail.com>2012-11-26 16:42:38 -0800
committerH.J. Lu <hjl.tools@gmail.com>2012-11-26 16:45:36 -0800
commitc515fb5148f1d81d5f7736825e14c7502c15432a (patch)
treebffe0f355bac8c00df91b12a1feddc768677bc5d /sysdeps/x86_64
parent4cf77aa9847aac13bf65c977396b6e8a66337238 (diff)
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Cast to __intptr_t before casting pointer to int64
Diffstat (limited to 'sysdeps/x86_64')
-rw-r--r--sysdeps/x86_64/bits/atomic.h21
1 files changed, 14 insertions, 7 deletions
diff --git a/sysdeps/x86_64/bits/atomic.h b/sysdeps/x86_64/bits/atomic.h
index 100943f..552581c 100644
--- a/sysdeps/x86_64/bits/atomic.h
+++ b/sysdeps/x86_64/bits/atomic.h
@@ -18,6 +18,7 @@
#include <stdint.h>
#include <tls.h> /* For tcbhead_t. */
+#include <libc-internal.h>
typedef int8_t atomic8_t;
@@ -101,8 +102,9 @@ typedef uintmax_t uatomic_max_t;
"lock\n" \
"0:\tcmpxchgq %q2, %1" \
: "=a" (ret), "=m" (*mem) \
- : "q" ((atomic64_t) (newval)), "m" (*mem), \
- "0" ((atomic64_t) (oldval)), \
+ : "q" ((atomic64_t) cast_to_integer (newval)), \
+ "m" (*mem), \
+ "0" ((atomic64_t) cast_to_integer (oldval)), \
"i" (offsetof (tcbhead_t, multiple_threads))); \
ret; })
@@ -125,7 +127,8 @@ typedef uintmax_t uatomic_max_t;
else \
__asm __volatile ("xchgq %q0, %1" \
: "=r" (result), "=m" (*mem) \
- : "0" ((atomic64_t) (newvalue)), "m" (*mem)); \
+ : "0" ((atomic64_t) cast_to_integer (newvalue)), \
+ "m" (*mem)); \
result; })
@@ -149,7 +152,8 @@ typedef uintmax_t uatomic_max_t;
else \
__asm __volatile (lock "xaddq %q0, %1" \
: "=r" (result), "=m" (*mem) \
- : "0" ((atomic64_t) (value)), "m" (*mem), \
+ : "0" ((atomic64_t) cast_to_integer (value)), \
+ "m" (*mem), \
"i" (offsetof (tcbhead_t, multiple_threads))); \
result; })
@@ -187,7 +191,8 @@ typedef uintmax_t uatomic_max_t;
else \
__asm __volatile (lock "addq %q1, %0" \
: "=m" (*mem) \
- : "ir" ((atomic64_t) (value)), "m" (*mem), \
+ : "ir" ((atomic64_t) cast_to_integer (value)), \
+ "m" (*mem), \
"i" (offsetof (tcbhead_t, multiple_threads))); \
} while (0)
@@ -218,7 +223,8 @@ typedef uintmax_t uatomic_max_t;
else \
__asm __volatile (LOCK_PREFIX "addq %q2, %0; sets %1" \
: "=m" (*mem), "=qm" (__result) \
- : "ir" ((atomic64_t) (value)), "m" (*mem)); \
+ : "ir" ((atomic64_t) cast_to_integer (value)), \
+ "m" (*mem)); \
__result; })
@@ -239,7 +245,8 @@ typedef uintmax_t uatomic_max_t;
else \
__asm __volatile (LOCK_PREFIX "addq %q2, %0; setz %1" \
: "=m" (*mem), "=qm" (__result) \
- : "ir" ((atomic64_t) (value)), "m" (*mem)); \
+ : "ir" ((atomic64_t) cast_to_integer (value)), \
+ "m" (*mem)); \
__result; })