diff options
| author | Chris Robinson <[email protected]> | 2013-05-22 23:05:26 -0700 |
|---|---|---|
| committer | Chris Robinson <[email protected]> | 2013-05-22 23:05:26 -0700 |
| commit | be4a4d74686fffb0a7e38cb4b1cad9653d2ba00f (patch) | |
| tree | cb05d3420407642a8d5862d2a50c70dc2efbda09 | |
| parent | eb15b13ca16e4ecf254c2143f18b4d03d76179ab (diff) | |
Use fegetenv/fesetenv to backup and restore the FPU state
| -rw-r--r-- | Alc/helpers.c | 8 | ||||
| -rw-r--r-- | OpenAL32/Include/alMain.h | 4 |
2 files changed, 8 insertions, 4 deletions
diff --git a/Alc/helpers.c b/Alc/helpers.c index a95e5ae3..25f85370 100644 --- a/Alc/helpers.c +++ b/Alc/helpers.c @@ -201,8 +201,8 @@ void al_free(void *ptr) void SetMixerFPUMode(FPUCtl *ctl) { -#if defined(HAVE_FESETROUND) - ctl->state = fegetround(); +#ifdef HAVE_FENV_H + fegetenv(STATIC_CAST(fenv_t, ctl)); #if defined(__GNUC__) && defined(HAVE_SSE) if((CPUCapFlags&CPU_CAP_SSE)) __asm__ __volatile__("stmxcsr %0" : "=m" (*&ctl->sse_state)); @@ -245,8 +245,8 @@ void SetMixerFPUMode(FPUCtl *ctl) void RestoreFPUMode(const FPUCtl *ctl) { -#if defined(HAVE_FESETROUND) - fesetround(ctl->state); +#ifdef HAVE_FENV_H + fesetenv(STATIC_CAST(fenv_t, ctl)); #if defined(__GNUC__) && defined(HAVE_SSE) if((CPUCapFlags&CPU_CAP_SSE)) __asm__ __volatile__("ldmxcsr %0" : : "m" (*&ctl->sse_state)); diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h index 743242d7..ca0df2ad 100644 --- a/OpenAL32/Include/alMain.h +++ b/OpenAL32/Include/alMain.h @@ -748,7 +748,11 @@ void *al_calloc(size_t alignment, size_t size); void al_free(void *ptr); typedef struct { +#ifdef HAVE_FENV_H + DERIVE_FROM_TYPE(fenv_t); +#else int state; +#endif #ifdef HAVE_SSE int sse_state; #endif |