return false;
}
-# define check_capability(name, flag, code) \
- do { \
- pid_t pid = fork(); \
- if( pid == 0 ) \
- { \
- signal(SIGILL, SIG_DFL); \
- __asm__ __volatile__ ( code : : ); \
- _exit(0); \
- } \
- if( check_OS_capability((name), pid )) \
- i_capabilities |= (flag); \
+# define check_capability(name, flag, code, input) \
+ do { \
+ pid_t pid = fork(); \
+ if( pid == 0 ) \
+ { \
+ signal(SIGILL, SIG_DFL); \
+ __asm__ __volatile__ ( code : : input ); \
+ _exit(0); \
+ } \
+ if( check_OS_capability((name), pid )) \
+ i_capabilities |= (flag); \
} while(0)
# else /* WIN32 */
-# define check_capability(name, flag, code) \
+# define check_capability(name, flag, code, input) \
i_capabilities |= (flag);
# endif
#endif
# ifdef CAN_COMPILE_SSE
check_capability( "SSE", CPU_CAPABILITY_SSE,
- "xorps %%xmm0,%%xmm0\n" );
+ "xorps %%xmm0,%%xmm0\n", );
# endif
}
# endif
# elif defined (CAN_COMPILE_SSE2)
if( i_edx & 0x04000000 )
check_capability( "SSE2", CPU_CAPABILITY_SSE2,
- "movupd %%xmm0, %%xmm0\n" );
+ "movupd %%xmm0, %%xmm0\n", );
# endif
# if defined (__SSE3__)
# elif defined (CAN_COMPILE_SSE3)
if( i_ecx & 0x00000001 )
check_capability( "SSE3", CPU_CAPABILITY_SSE3,
- "movsldup %%xmm1, %%xmm0\n" );
+ "movsldup %%xmm1, %%xmm0\n", );
# endif
# if defined (__SSSE3__)
# elif defined (CAN_COMPILE_SSSE3)
if( i_ecx & 0x00000200 )
check_capability( "SSSE3", CPU_CAPABILITY_SSSE3,
- "pabsw %%xmm1, %%xmm0\n" );
+ "pabsw %%xmm1, %%xmm0\n", );
# endif
# if defined (__SSE4_1__)
# elif defined (CAN_COMPILE_SSE4_1)
if( i_ecx & 0x00080000 )
check_capability( "SSE4.1", CPU_CAPABILITY_SSE4_1,
- "pmaxsb %%xmm1, %%xmm0\n" );
+ "pmaxsb %%xmm1, %%xmm0\n", );
# endif
# if defined (__SSE4_2__)
# elif defined (CAN_COMPILE_SSE4_2)
if( i_ecx & 0x00100000 )
check_capability( "SSE4.2", CPU_CAPABILITY_SSE4_2,
- "pcmpgtq %%xmm1, %%xmm0\n" );
+ "pcmpgtq %%xmm1, %%xmm0\n", );
# endif
/* test for additional capabilities */
# elif defined (CAN_COMPILE_3DNOW)
if( i_edx & 0x80000000 )
check_capability( "3D Now!", CPU_CAPABILITY_3DNOW,
- "pfadd %%mm0,%%mm0\n" "femms\n" );
+ "pfadd %%mm0,%%mm0\n" "femms\n", );
# endif
if( b_amd && ( i_edx & 0x00400000 ) )
# if defined (__ARM_NEON__)
i_capabilities |= CPU_CAPABILITY_NEON;
# elif defined (CAN_COMPILE_NEON)
-# define NEED_RUNTIME_CPU_CHECK 1
-# endif
-
-# ifdef NEED_RUNTIME_CPU_CHECK
# if defined (__linux__)
FILE *info = fopen ("/proc/cpuinfo", "rt");
if (info != NULL)
if (strncmp (line, "Features\t:", 10))
continue;
-# if defined (CAN_COMPILE_NEON) && !defined (__ARM_NEON__)
+
cap = strstr (line + 10, " neon");
if (cap != NULL && (cap[5] == '\0' || cap[5] == ' '))
i_capabilities |= CPU_CAPABILITY_NEON;
-# endif
+
break;
}
fclose (info);
i_capabilities |= CPU_CAPABILITY_ALTIVEC;
# elif defined( CAN_COMPILE_ALTIVEC )
- pid_t pid = fork();
- if( pid == 0 )
- {
- signal(SIGILL, SIG_DFL);
- asm volatile ("mtspr 256, %0\n\t"
- "vand %%v0, %%v0, %%v0"
- :
- : "r" (-1));
- _exit(0);
- }
-
- if( check_OS_capability( "Altivec", pid ) )
- i_capabilities |= CPU_CAPABILITY_ALTIVEC;
+ check_capability( "Altivec", CPU_CAPABILITY_ALTIVEC,
+ "mtspr 256, %0\n\t"
+ "vand %%v0, %%v0, %%v0",
+ "r" (-1));
# endif