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POWER9: Fix mcpu option with clang 

Adding check for compiler type before checking GCC version in Makefile.
This allows clang to use power9 instead of power8 when CORE is POWER9.
This commit is contained in:
Rajalakshmi Srinivasaraghavan 2020-09-04 10:36:19 -05:00
parent c61771e335
commit 718f67421a
1 changed files with 8 additions and 0 deletions
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8
Makefile.power
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@ -17,6 +17,7 @@ endif
ifeq ($(CORE), POWER9)
ifneq ($(C_COMPILER), PGI)
CCOMMON_OPT += -Ofast -mvsx -fno-fast-math
ifeq ($(C_COMPILER), GCC)
ifneq ($(GCCVERSIONGT4), 1)
$(warning your compiler is too old to fully support POWER9, getting a newer version of gcc is recommended)
CCOMMON_OPT += -mcpu=power8 -mtune=power8
@ -24,10 +25,14 @@ else
CCOMMON_OPT += -mcpu=power9 -mtune=power9
endif
else
CCOMMON_OPT += -mcpu=power9 -mtune=power9
endif
else
CCOMMON_OPT += -fast -Mvect=simd -Mcache_align
endif
ifneq ($(F_COMPILER), PGI)
FCOMMON_OPT += -O2 -frecursive -fno-fast-math
ifeq ($(C_COMPILER), GCC)
ifneq ($(GCCVERSIONGT4), 1)
$(warning your compiler is too old to fully support POWER9, getting a newer version of gcc is recommended)
FCOMMON_OPT += -mcpu=power8 -mtune=power8
@ -35,6 +40,9 @@ else
FCOMMON_OPT += -mcpu=power9 -mtune=power9
endif
else
FCOMMON_OPT += -mcpu=power9 -mtune=power9
endif
else
FCOMMON_OPT += -O2 -Mrecursive
endif
endif