diff options
| author | Thomas Balling Sørensen <tball@tball-laptop.(none)> | 2010-10-05 12:04:08 +0200 |
|---|---|---|
| committer | Thomas Balling Sørensen <tball@tball-laptop.(none)> | 2010-10-05 12:04:08 +0200 |
| commit | 1218430e1200a08cd64b6555d3fd1fd0274ad9e5 (patch) | |
| tree | e060fb27b8388a4bd237ca39fc20f1675c5e367c /src/gallium/auxiliary/util/u_atomic.h | |
| parent | 63b1525cf0a50e3d31328c3b56355a86056e4c05 (diff) | |
| parent | bf21b7006c63c3dc47045c22d4f372dfe6c7ce67 (diff) | |
Merge branch 'master' into pipe-video
Conflicts:
configs/linux-dri
configure.ac
src/gallium/drivers/nvfx/Makefile
src/gallium/include/pipe/p_defines.h
src/gallium/include/pipe/p_screen.h
src/gallium/include/state_tracker/dri1_api.h
src/gallium/include/state_tracker/drm_api.h
src/gallium/tests/python/samples/tri.py
src/gallium/tests/trivial/Makefile
src/gallium/tests/unit/Makefile
src/gallium/tests/unit/SConscript
src/gallium/tests/unit/u_format_test.c
src/gallium/winsys/nouveau/drm/nouveau_drm_api.c
Diffstat (limited to 'src/gallium/auxiliary/util/u_atomic.h')
| -rw-r--r-- | src/gallium/auxiliary/util/u_atomic.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_atomic.h b/src/gallium/auxiliary/util/u_atomic.h index a1568233906..8434491a421 100644 --- a/src/gallium/auxiliary/util/u_atomic.h +++ b/src/gallium/auxiliary/util/u_atomic.h @@ -29,6 +29,8 @@ #define PIPE_ATOMIC_ASM_MSVC_X86 #elif (defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86)) #define PIPE_ATOMIC_ASM_GCC_X86 +#elif (defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86_64)) +#define PIPE_ATOMIC_ASM_GCC_X86_64 #elif defined(PIPE_CC_GCC) && (PIPE_CC_GCC_VERSION >= 401) #define PIPE_ATOMIC_GCC_INTRINSIC #else @@ -36,6 +38,51 @@ #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_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) |