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Use glibc for strcmp and memcmp. 

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59048
.
The bug is 5+ years old with no fix in sight.
Mesa did some test that showed 50% improvement and enabled it by default.
http://lists.freedesktop.org/archives/mesa-dev/2011-June/009078.html
.
It could also be coded but glibc version has mmx, sse2, and sse4 support.
This commit is contained in:
Miguel A. Colón Vélez 2015-08-07 05:04:19 -04:00
parent 1db74162e6
commit 0d344605e1
1 changed files with 1 additions and 1 deletions
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2
cmake/BuildParameters.cmake
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@ -226,7 +226,7 @@ endif()
#-------------------------------------------------------------------------------
# Set some default compiler flags
#-------------------------------------------------------------------------------
set(COMMON_FLAG "-pipe -std=c++11 -fvisibility=hidden -pthread")
set(COMMON_FLAG "-pipe -std=c++11 -fvisibility=hidden -pthread -fno-builtin-strcmp -fno-builtin-memcmp")
if (DISABLE_SVU)
set(COMMON_FLAG "${COMMON_FLAG} -DDISABLE_SVU")
endif()