diff options
Diffstat (limited to 'internal/common.h')
| -rw-r--r-- | internal/common.h | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/internal/common.h b/internal/common.h index 9de151b..26b6713 100644 --- a/internal/common.h +++ b/internal/common.h @@ -55,6 +55,19 @@ #define GEMMLOWP_ARM #endif +// Detect MIPS, 32-bit or 64-bit +#if defined(__mips) && !defined(__LP64__) +#define GEMMLOWP_MIPS_32 +#endif + +#if defined(__mips) && defined(__LP64__) +#define GEMMLOWP_MIPS_64 +#endif + +#if defined(GEMMLOWP_MIPS_32) || defined(GEMMLOWP_MIPS_64) +#define GEMMLOWP_MIPS +#endif + // Detect x86, 32-bit or 64-bit #if defined(__i386__) || defined(_M_IX86) || defined(_X86_) || defined(__i386) #define GEMMLOWP_X86_32 @@ -87,6 +100,23 @@ #define GEMMLOWP_NEON_64 #endif +// Detect MIPS MSA. +// Limit MSA optimizations to little-endian CPUs for now. +// TODO: Perhaps, eventually support MSA optimizations on big-endian CPUs? +#if defined(GEMMLOWP_MIPS) && (__mips_isa_rev >= 5) && defined(__mips_msa) && \ + defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) +#define GEMMLOWP_MSA +#endif + +// Convenience MIPS MSA tokens for 32-bit or 64-bit. +#if defined(GEMMLOWP_MSA) && defined(GEMMLOWP_MIPS_32) +#define GEMMLOWP_MSA_32 +#endif + +#if defined(GEMMLOWP_MSA) && defined(GEMMLOWP_MIPS_64) +#define GEMMLOWP_MSA_64 +#endif + // Detect SSE. #ifdef __SSE4_1__ #define GEMMLOWP_SSE4 @@ -97,7 +127,8 @@ #endif // Convenience SSE4 tokens for 32-bit or 64-bit -#if defined(GEMMLOWP_SSE4) && defined(GEMMLOWP_X86_32) +#if defined(GEMMLOWP_SSE4) && defined(GEMMLOWP_X86_32) && \ + !defined(GEMMLOWP_DISABLE_SSE4) #define GEMMLOWP_SSE4_32 #endif @@ -105,7 +136,8 @@ #define GEMMLOWP_SSE3_32 #endif -#if defined(GEMMLOWP_SSE4) && defined(GEMMLOWP_X86_64) +#if defined(GEMMLOWP_SSE4) && defined(GEMMLOWP_X86_64) && \ + !defined(GEMMLOWP_DISABLE_SSE4) #define GEMMLOWP_SSE4_64 #endif @@ -178,6 +210,10 @@ const int kDefaultL2CacheSize = 4 * 1024 * 1024; // x86-32 and not Android. Same as x86-64 but less bullish. const int kDefaultL1CacheSize = 32 * 1024; const int kDefaultL2CacheSize = 2 * 1024 * 1024; +#elif defined(GEMMLOWP_MIPS) +// MIPS and not Android. TODO: MIPS and Android? +const int kDefaultL1CacheSize = 32 * 1024; +const int kDefaultL2CacheSize = 1024 * 1024; #else // Less common hardware. Maybe some unusual or older or embedded thing. // Assume smaller caches, but don't depart too far from what we do |