diff options
Diffstat (limited to 'chromium/media/base/vector_math.cc')
| -rw-r--r-- | chromium/media/base/vector_math.cc | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/chromium/media/base/vector_math.cc b/chromium/media/base/vector_math.cc index fabb796d324..a0333cb6885 100644 --- a/chromium/media/base/vector_math.cc +++ b/chromium/media/base/vector_math.cc @@ -8,6 +8,7 @@ #include <algorithm> #include "base/check_op.h" +#include "base/memory/aligned_memory.h" #include "build/build_config.h" // NaCl does not allow intrinsics. @@ -40,9 +41,8 @@ namespace media { namespace vector_math { void FMAC(const float src[], float scale, int len, float dest[]) { - // Ensure |src| and |dest| are 16-byte aligned. - DCHECK_EQ(0u, reinterpret_cast<uintptr_t>(src) & (kRequiredAlignment - 1)); - DCHECK_EQ(0u, reinterpret_cast<uintptr_t>(dest) & (kRequiredAlignment - 1)); + DCHECK(base::IsAligned(src, kRequiredAlignment)); + DCHECK(base::IsAligned(dest, kRequiredAlignment)); return FMAC_FUNC(src, scale, len, dest); } @@ -52,9 +52,8 @@ void FMAC_C(const float src[], float scale, int len, float dest[]) { } void FMUL(const float src[], float scale, int len, float dest[]) { - // Ensure |src| and |dest| are 16-byte aligned. - DCHECK_EQ(0u, reinterpret_cast<uintptr_t>(src) & (kRequiredAlignment - 1)); - DCHECK_EQ(0u, reinterpret_cast<uintptr_t>(dest) & (kRequiredAlignment - 1)); + DCHECK(base::IsAligned(src, kRequiredAlignment)); + DCHECK(base::IsAligned(dest, kRequiredAlignment)); return FMUL_FUNC(src, scale, len, dest); } @@ -65,8 +64,7 @@ void FMUL_C(const float src[], float scale, int len, float dest[]) { std::pair<float, float> EWMAAndMaxPower( float initial_value, const float src[], int len, float smoothing_factor) { - // Ensure |src| is 16-byte aligned. - DCHECK_EQ(0u, reinterpret_cast<uintptr_t>(src) & (kRequiredAlignment - 1)); + DCHECK(base::IsAligned(src, kRequiredAlignment)); return EWMAAndMaxPower_FUNC(initial_value, src, len, smoothing_factor); } |