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SiS driver: Warning fix

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This commit is contained in:
Thomas Winischhofer
2004-11-04 14:39:56 +00:00
parent 2619e2709b
commit 39ded003ab
1 changed files with 62 additions and 67 deletions
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129
src/sis_memcpy.c
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@@ -324,10 +324,22 @@ vidCopyFunc SiSVidCopyInit(ScreenPtr pScreen)
#else /* ! Everything below is gcc specific ! */
/************************************************************************/
/* Built-in memcpy() - arch specific */
/* Definitions for archs and OSes */
/************************************************************************/
#ifdef __i386__
#undef SiS_checkosforsse
#undef SiS_canBenchmark
#undef SiS_haveProc
#undef SiS_haveBuiltInMC
#if defined(__i386__) /* ***************************************** i386 */
#define SiS_checkosforsse /* Does this cpu support sse and do we need to check os? */
#define SiS_canBenchmark /* Can we perform a benchmark? */
#ifdef linux
#define SiS_haveProc /* Do we have /proc/cpuinfo or similar? */
#endif
#define SiS_haveBuiltInMC /* Is there a built-in memcpy for this arch? */
/* Built-in memcpy for i386 */
static __inline void * __memcpy(void * to, const void * from, size_t n)
@@ -398,13 +410,36 @@ static void SiS_builtin_memcp2(unsigned char *to, const unsigned char *from, int
}
#elif defined(__AMD64__)
static unsigned int taketime(void) /* get current time (for benchmarking) */
{
unsigned int eax;
__asm__ volatile (
" pushl %%ebx\n"
" cpuid\n"
" rdtsc\n"
" popl %%ebx\n"
: "=a" (eax)
: "0" (0)
: "ecx", "edx", "cc");
return(eax);
}
#elif defined(__AMD64__) /*************************************** AMD64 */
#define SiS_checkosforsse /* Does this cpu support sse and do we need to check os? */
#define SiS_canBenchmark /* Can we perform a benchmark? */
#ifdef linux
#define SiS_haveProc /* Do we have /proc/cpuinfo or similar? */
#endif
#define SiS_haveBuiltInMC /* Is there a built-in memcpy for this arch? */
/* Built-in memcpy for AMD64 */
static __inline void * __memcpy(void * to, const void * from, int n)
{
long d1, d2, d3;
__asm__ __volatile__ (
" cld\n"
" rep ; movsq\n"
@@ -454,66 +489,9 @@ static void SiS_builtin_memcp2(unsigned char *to, const unsigned char *from, int
: "=&c" (d1), "=&D" (d2), "=&S" (d3)
:"0" ((unsigned long) n), "1" ((long) to), "2" ((long) from)
: "rax", "rdx", "r8", "r9", "memory", "cc");
}
#else /* Other archs */
static __inline void * __memcpy(void * to, const void * from, size_t n)
{
memcpy(to, from, n); /* placeholder */
}
#endif
/************************************************************************/
/* Generic built-in memcpy wrapper */
/************************************************************************/
static void SiS_builtin_memcpy(unsigned char *dst, const unsigned char *src, int size)
{
__memcpy(dst, src, size);
}
/************************************************************************/
/* Definitions for archs and OSes */
/************************************************************************/
#undef SiS_checkosforsse
#undef SiS_canBenchmark
#undef SiS_haveProc
#if defined(__i386__) /* ***************************************** i386 */
#define SiS_checkosforsse /* Does this cpu support sse and do we need to check os? */
#define SiS_canBenchmark /* Can we perform a benchmark? */
#ifdef linux
#define SiS_haveProc /* Do we have /proc/cpuinfo or similar? */
#endif
static unsigned int taketime(void) /* get current time (for benchmarking) */
{
unsigned int eax;
__asm__ volatile (
" pushl %%ebx\n"
" cpuid\n"
" rdtsc\n"
" popl %%ebx\n"
: "=a" (eax)
: "0" (0)
: "ecx", "edx", "cc");
return(eax);
}
#elif defined(__AMD64__) /*************************************** AMD64 */
#define SiS_checkosforsse /* Does this cpu support sse and do we need to check os? */
#define SiS_canBenchmark /* Can we perform a benchmark? */
#ifdef linux
#define SiS_haveProc /* Do we have /proc/cpuinfo or similar? */
#endif
static unsigned int taketime(void) /* get current time (for benchmarking) */
{
unsigned int eax;
@@ -538,13 +516,30 @@ static unsigned int taketime(void) /* get current time (for benchmarking) */
/* 2. Do we have /proc filesystem or similar for CPU information? */
/* #define SiS_haveproc */
/* 3. Function for getting current time (for benchmarking) */
/*
static unsigned int taketime(void)
{
}
/* 3. Optional: build-in memcpy() */
/* #define SiS_haveBuiltInMC */
/* static __inline void * __memcpy(void * to, const void * from, int n)
{
}
*/
/* 4. Function for getting current time (for benchmarking) */
/* static unsigned int taketime(void)
{
}
*/
#endif
/************************************************************************/
/* Generic built-in memcpy wrapper */
/************************************************************************/
#ifdef SiS_haveBuiltInMC
static void SiS_builtin_memcpy(unsigned char *dst, const unsigned char *src, int size)
{
__memcpy(dst, src, size);
}
#endif
/************************************************************************/