diff options
Diffstat (limited to 'util/bufferiszero.c')
| -rw-r--r-- | util/bufferiszero.c | 26 |
1 files changed, 1 insertions, 25 deletions
diff --git a/util/bufferiszero.c b/util/bufferiszero.c index e6679b3eea..a3a842f9fd 100644 --- a/util/bufferiszero.c +++ b/util/bufferiszero.c @@ -94,31 +94,7 @@ buffer_zero_int(const void *buf, size_t len) } } -#if defined(__ALTIVEC__) -#include <altivec.h> -/* The altivec.h header says we're allowed to undef these for - * C++ compatibility. Here we don't care about C++, but we - * undef them anyway to avoid namespace pollution. - * altivec.h may redefine the bool macro as vector type. - * Reset it to POSIX semantics. - */ -#undef vector -#undef pixel -#undef bool -#define bool _Bool -#define DO_NONZERO(X) vec_any_ne(X, (__vector unsigned char){ 0 }) -ACCEL_BUFFER_ZERO(buffer_zero_ppc, 128, __vector unsigned char, DO_NONZERO) - -static bool select_accel_fn(const void *buf, size_t len) -{ - uintptr_t ibuf = (uintptr_t)buf; - if (len % 128 == 0 && ibuf % sizeof(__vector unsigned char) == 0) { - return buffer_zero_ppc(buf, len); - } - return buffer_zero_int(buf, len); -} - -#elif defined(CONFIG_AVX2_OPT) || (defined(CONFIG_CPUID_H) && defined(__SSE2__)) +#if defined(CONFIG_AVX2_OPT) || (defined(CONFIG_CPUID_H) && defined(__SSE2__)) #include <cpuid.h> /* Do not use push_options pragmas unnecessarily, because clang |