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Add more options to PGO

This commit is contained in:
Jeffrey Pfau 2014-10-22 22:00:19 -07:00
parent eecf70ee58
commit 5340cb300b
1 changed files with 2 additions and 2 deletions
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4
CMakeLists.txt
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@ -60,8 +60,8 @@ set(BUILD_PGO CACHE BOOL "Build with profiling-guided optimization")
set(PGO_STAGE_2 CACHE BOOL "Rebuild for profiling-guided optimization after profiles have been generated") set(PGO_STAGE_2 CACHE BOOL "Rebuild for profiling-guided optimization after profiles have been generated")
set(PGO_DIR "/tmp/gba-pgo/" CACHE PATH "Profiling-guided optimization profiles path") set(PGO_DIR "/tmp/gba-pgo/" CACHE PATH "Profiling-guided optimization profiles path")
mark_as_advanced(BUILD_PGO PGO_STAGE_2 PGO_DIR) mark_as_advanced(BUILD_PGO PGO_STAGE_2 PGO_DIR)
set(PGO_PRE_FLAGS "-pg -fprofile-generate=${PGO_DIR}") set(PGO_PRE_FLAGS "-pg -fprofile-generate=${PGO_DIR} -fprofile-arcs")
set(PGO_POST_FLAGS "-fprofile-use=${PGO_DIR}") set(PGO_POST_FLAGS "-fprofile-use=${PGO_DIR} -fbranch-probabilities")
if(BUILD_PGO AND NOT PGO_STAGE_2) if(BUILD_PGO AND NOT PGO_STAGE_2)
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${PGO_PRE_FLAGS}") set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${PGO_PRE_FLAGS}")