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authorMatt Turner <mattst88@gmail.com>2014-11-21 16:28:21 -0800
committerMatt Turner <mattst88@gmail.com>2014-12-01 11:28:45 -0800
commit2879a77a37b4d044203913258800828482a55f95 (patch)
tree4409acf6b97c7e6db4abd7e3ad164a6b8f9998ee /src
parent972f8458f1ebdf805059d9252ae0ebb727934613 (diff)
util: Remove u_atomic.h's GCC inline assembly.
GCC >= 4.1 support the __sync_* intrinsics. That seems like a sufficiently old baseline. Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
Diffstat (limited to 'src')
-rw-r--r--src/util/u_atomic.h122
1 files changed, 0 insertions, 122 deletions
diff --git a/src/util/u_atomic.h b/src/util/u_atomic.h
index f326bd1c2c3..13b264f0d8f 100644
--- a/src/util/u_atomic.h
+++ b/src/util/u_atomic.h
@@ -21,133 +21,11 @@
#define PIPE_ATOMIC_MSVC_INTRINSIC
#elif defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 401)
#define PIPE_ATOMIC_GCC_INTRINSIC
-#elif (defined(__GNUC__) && defined(__i386__))
-#define PIPE_ATOMIC_ASM_GCC_X86
-#elif (defined(__GNUC__) && defined(__x86_64__))
-#define PIPE_ATOMIC_ASM_GCC_X86_64
#else
#error "Unsupported platform"
#endif
-#if defined(PIPE_ATOMIC_ASM_GCC_X86_64)
-#define PIPE_ATOMIC "GCC x86_64 assembly"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define p_atomic_set(_v, _i) (*(_v) = (_i))
-#define p_atomic_read(_v) (*(_v))
-
-static inline boolean
-p_atomic_dec_zero(int32_t *v)
-{
- unsigned char c;
-
- __asm__ __volatile__("lock; decl %0; sete %1":"+m"(*v), "=qm"(c)
- ::"memory");
-
- return c != 0;
-}
-
-static inline void
-p_atomic_inc(int32_t *v)
-{
- __asm__ __volatile__("lock; incl %0":"+m"(*v));
-}
-
-static inline void
-p_atomic_dec(int32_t *v)
-{
- __asm__ __volatile__("lock; decl %0":"+m"(*v));
-}
-
-static inline int32_t
-p_atomic_inc_return(int32_t *v)
-{
- return __sync_add_and_fetch(v, 1);
-}
-
-static inline int32_t
-p_atomic_dec_return(int32_t *v)
-{
- return __sync_sub_and_fetch(v, 1);
-}
-
-static inline int32_t
-p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
-{
- return __sync_val_compare_and_swap(v, old, _new);
-}
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* PIPE_ATOMIC_ASM_GCC_X86_64 */
-
-
-#if defined(PIPE_ATOMIC_ASM_GCC_X86)
-
-#define PIPE_ATOMIC "GCC x86 assembly"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define p_atomic_set(_v, _i) (*(_v) = (_i))
-#define p_atomic_read(_v) (*(_v))
-
-static inline boolean
-p_atomic_dec_zero(int32_t *v)
-{
- unsigned char c;
-
- __asm__ __volatile__("lock; decl %0; sete %1":"+m"(*v), "=qm"(c)
- ::"memory");
-
- return c != 0;
-}
-
-static inline void
-p_atomic_inc(int32_t *v)
-{
- __asm__ __volatile__("lock; incl %0":"+m"(*v));
-}
-
-static inline void
-p_atomic_dec(int32_t *v)
-{
- __asm__ __volatile__("lock; decl %0":"+m"(*v));
-}
-
-static inline int32_t
-p_atomic_inc_return(int32_t *v)
-{
- return __sync_add_and_fetch(v, 1);
-}
-
-static inline int32_t
-p_atomic_dec_return(int32_t *v)
-{
- return __sync_sub_and_fetch(v, 1);
-}
-
-static inline int32_t
-p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
-{
- return __sync_val_compare_and_swap(v, old, _new);
-}
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
-
-
-
/* Implementation using GCC-provided synchronization intrinsics
*/
#if defined(PIPE_ATOMIC_GCC_INTRINSIC)