dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2025-07-13 14:34:33 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

add LOCAL_CLANG_PREREQ and avoid WORK_AROUND_GCC w/3.8+

Browse Source 
this results in a 15-20% speedup for lossy decoding on a N5/S6/CM1

BUG=webp:339

Change-Id: Icdeb84c3e0b8908147ac276b4d8f76c3d565b735
This commit is contained in:
James Zern
2017-09-19 20:15:31 -07:00
parent 01c426f1e7
commit f78da3dea6
2 changed files with 12 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/dsp/dsp.h
View File

@ -38,6 +38,15 @@ extern "C" {
# define LOCAL_GCC_PREREQ(maj, min) 0
#endif
#if defined(__clang__)
# define LOCAL_CLANG_VERSION ((__clang_major__ << 8) | __clang_minor__)
# define LOCAL_CLANG_PREREQ(maj, min) \
(LOCAL_CLANG_VERSION >= (((maj) << 8) | (min)))
#else
# define LOCAL_CLANG_VERSION 0
# define LOCAL_CLANG_PREREQ(maj, min) 0
#endif
#ifndef __has_builtin
# define __has_builtin(x) 0
#endif