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Update libaom to commit ID 1e227d41f0616de9548a673a83a21ef990b62591

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trav90 2018-10-19 23:05:00 -05:00 • committed by Roy Tam
commit 368651059a
526 changed files with 34535 additions and 15900 deletions
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10
third_party/aom/aom_ports/bitops.h vendored
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@ -9,12 +9,13 @@
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#ifndef AOM_PORTS_BITOPS_H_
#define AOM_PORTS_BITOPS_H_
#ifndef AOM_AOM_PORTS_BITOPS_H_
#define AOM_AOM_PORTS_BITOPS_H_
#include <assert.h>
#include "aom_ports/msvc.h"
#include "config/aom_config.h"
#ifdef _MSC_VER
#if defined(_M_X64) || defined(_M_IX86)
@ -27,6 +28,8 @@
extern "C" {
#endif
// get_msb:
// Returns (int)floor(log2(n)). n must be > 0.
// These versions of get_msb() are only valid when n != 0 because all
// of the optimized versions are undefined when n == 0:
// https://gcc.gnu.org/onlinedocs/gcc/Other-Builtins.html
@ -49,7 +52,6 @@ static INLINE int get_msb(unsigned int n) {
}
#undef USE_MSC_INTRINSICS
#else
// Returns (int)floor(log2(n)). n must be > 0.
static INLINE int get_msb(unsigned int n) {
int log = 0;
unsigned int value = n;
@ -73,4 +75,4 @@ static INLINE int get_msb(unsigned int n) {
} // extern "C"
#endif
#endif // AOM_PORTS_BITOPS_H_
#endif // AOM_AOM_PORTS_BITOPS_H_