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Merge pull request #4379 from barracuda156/ppc970 

PPC970: drop -mcpu=970 which seems to produce faulty code
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Martin Kroeker 2023-12-15 20:03:44 +01:00 committed by GitHub
parent d2f1594bca 8c143331b0
commit 563daadc92
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1 changed files with 5 additions and 2 deletions
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7
cmake/cc.cmake
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@ -282,18 +282,21 @@ if (${CORE} STREQUAL POWER8)
endif ()
endif ()
# With -mcpu=970 added it compiles, but library is broken, at least on macOS. If someone
# tests on *BSD or Linux and adds this flag, please make sure it is not used for macOS case.
if (${CORE} STREQUAL PPC970)
if (NOT DYNAMIC_ARCH)
set (CCOMMON_OPT "${CCOMMON_OPT} -mcpu=970 -mtune=970 -maltivec -fno-fast-math")
set (CCOMMON_OPT "${CCOMMON_OPT} -mtune=970 -maltivec -fno-fast-math")
endif ()
if (APPLE)
set (CCOMMON_OPT "${CCOMMON_OPT} -force_cpusubtype_ALL")
endif ()
endif ()
# -mcpu=G4 seems to work fine, but perhaps avoid it for the sake of consistency?
if (${CORE} STREQUAL PPCG4)
if (NOT DYNAMIC_ARCH)
set (CCOMMON_OPT "${CCOMMON_OPT} -mcpu=G4 -mtune=G4 -maltivec -fno-fast-math")
set (CCOMMON_OPT "${CCOMMON_OPT} -mtune=G4 -maltivec -fno-fast-math")
endif ()
if (APPLE)
set (CCOMMON_OPT "${CCOMMON_OPT} -force_cpusubtype_ALL")