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reading the gcc manual 

-mtune is implied by -march, -ffast-math is not recommended, and
-mtune=native is save
This commit is contained in:
Martin Diehl 2022-02-05 10:57:18 +01:00
parent 85ca3a3f24
commit c25c17d0b6
1 changed files with 5 additions and 2 deletions
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7
cmake/Compiler-GNU.cmake
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@ -12,9 +12,9 @@ endif ()
if (OPTIMIZATION STREQUAL "OFF")
set (OPTIMIZATION_FLAGS "-O0")
elseif (OPTIMIZATION STREQUAL "DEFENSIVE")
set (OPTIMIZATION_FLAGS "-O2 -mtune=generic -flto")
set (OPTIMIZATION_FLAGS "-O2 -mtune=native -flto")
elseif (OPTIMIZATION STREQUAL "AGGRESSIVE")
set (OPTIMIZATION_FLAGS "-O3 -march=native -mtune=native -ffast-math -funroll-loops -ftree-vectorize -flto")
set (OPTIMIZATION_FLAGS "-O3 -march=native -funroll-loops -ftree-vectorize -flto")
endif ()
set (STANDARD_CHECK "-std=f2018 -pedantic-errors" )
@ -123,6 +123,9 @@ set (DEBUG_FLAGS "${DEBUG_FLAGS} -ffpe-trap=invalid,zero,overflow")
set (DEBUG_FLAGS "${DEBUG_FLAGS} -g")
# Generate symbolic debugging information in the object file
set (DEBUG_FLAGS "${DEBUG_FLAGS} -Og")
# Optimize debugging experience
set (DEBUG_FLAGS "${DEBUG_FLAGS} -fbacktrace")
set (DEBUG_FLAGS "${DEBUG_FLAGS} -fdump-core")
set (DEBUG_FLAGS "${DEBUG_FLAGS} -fcheck=all")