util: Remove u_atomic.h's MSVC inline assembly.
There was already an intrinsics path that implemented all of the same functions, plus more. Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
This commit is contained in:
parent
504062be2a
commit
972f8458f1
|
@ -19,8 +19,6 @@
|
|||
#define PIPE_ATOMIC_OS_SOLARIS
|
||||
#elif defined(_MSC_VER)
|
||||
#define PIPE_ATOMIC_MSVC_INTRINSIC
|
||||
#elif (defined(_MSC_VER) && (defined(__i386__) || defined(_M_IX86))
|
||||
#define PIPE_ATOMIC_ASM_MSVC_X86
|
||||
#elif defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 401)
|
||||
#define PIPE_ATOMIC_GCC_INTRINSIC
|
||||
#elif (defined(__GNUC__) && defined(__i386__))
|
||||
|
@ -226,74 +224,6 @@ p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
|
|||
#endif
|
||||
|
||||
|
||||
/* Locally coded assembly for MSVC on x86:
|
||||
*/
|
||||
#if defined(PIPE_ATOMIC_ASM_MSVC_X86)
|
||||
|
||||
#define PIPE_ATOMIC "MSVC 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 {
|
||||
mov eax, [v]
|
||||
lock dec dword ptr [eax]
|
||||
sete byte ptr [c]
|
||||
}
|
||||
|
||||
return c != 0;
|
||||
}
|
||||
|
||||
static inline void
|
||||
p_atomic_inc(int32_t *v)
|
||||
{
|
||||
__asm {
|
||||
mov eax, [v]
|
||||
lock inc dword ptr [eax]
|
||||
}
|
||||
}
|
||||
|
||||
static inline void
|
||||
p_atomic_dec(int32_t *v)
|
||||
{
|
||||
__asm {
|
||||
mov eax, [v]
|
||||
lock dec dword ptr [eax]
|
||||
}
|
||||
}
|
||||
|
||||
static inline int32_t
|
||||
p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
|
||||
{
|
||||
int32_t orig;
|
||||
|
||||
__asm {
|
||||
mov ecx, [v]
|
||||
mov eax, [old]
|
||||
mov edx, [_new]
|
||||
lock cmpxchg [ecx], edx
|
||||
mov [orig], eax
|
||||
}
|
||||
|
||||
return orig;
|
||||
}
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
#if defined(PIPE_ATOMIC_MSVC_INTRINSIC)
|
||||
|
||||
#define PIPE_ATOMIC "MSVC Intrinsics"
|
||||
|
|
Loading…
Reference in New Issue