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PGI-Fortran: Add -Mipa=fast,inline as IPO option.

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Remove -Mipa=fast as a default flag and add it as an option instead.
-Mipa=fast is a flag that speeds up runtime but at the cost of significant
compile time increase and therefore, shouldn't be a default flag.
In addition, -Mipa isn't supported on PGI OpenPOWER or x86/llvm compilers.
This commit is contained in:
Tin Huynh
2017-08-29 14:23:35 -07:00
parent 97f0b177df
commit 485a6f0ef2
1 changed files with 8 additions and 4 deletions
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12
Modules/Compiler/PGI.cmake
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@@ -19,16 +19,20 @@ macro(__compiler_pgi lang)
string(APPEND CMAKE_${lang}_FLAGS_DEBUG_INIT " -g -O0")
string(APPEND CMAKE_${lang}_FLAGS_MINSIZEREL_INIT " -O2 -s")
string(APPEND CMAKE_${lang}_FLAGS_RELEASE_INIT " -fast -O3")
# -Mipa was dropped with PGI 16.3 from Windows versions
if(NOT CMAKE_HOST_WIN32 OR CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 16.3)
string(APPEND CMAKE_${lang}_FLAGS_RELEASE_INIT " -Mipa=fast")
endif()
string(APPEND CMAKE_${lang}_FLAGS_RELWITHDEBINFO_INIT " -O2 -gopt")
if(CMAKE_HOST_WIN32)
string(APPEND CMAKE_${lang}_FLAGS_INIT " -Bdynamic")
endif()
set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES)
if(NOT CMAKE_SYSTEM_PROCESSOR STREQUAL ppc64le AND (NOT CMAKE_HOST_WIN32 OR CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 16.3))
set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
set(CMAKE_${lang}_COMPILE_OPTIONS_IPO "-Mipa=fast,inline")
else()
set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER NO)
endif()
# Preprocessing and assembly rules.
set(CMAKE_${lang}_CREATE_PREPROCESSED_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
set(CMAKE_${lang}_CREATE_ASSEMBLY_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")