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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 ($(CORE), POWER9) ifeq ($(CORE), POWER9)
ifneq ($(C_COMPILER), PGI) ifneq ($(C_COMPILER), PGI)
CCOMMON_OPT += -Ofast -mvsx -fno-fast-math CCOMMON_OPT += -Ofast -mvsx -fno-fast-math
ifeq ($(C_COMPILER), GCC)
ifneq ($(GCCVERSIONGT4), 1) ifneq ($(GCCVERSIONGT4), 1)
$(warning your compiler is too old to fully support POWER9, getting a newer version of gcc is recommended) $(warning your compiler is too old to fully support POWER9, getting a newer version of gcc is recommended)
CCOMMON_OPT += -mcpu=power8 -mtune=power8 CCOMMON_OPT += -mcpu=power8 -mtune=power8
@ -24,10 +25,14 @@ else
CCOMMON_OPT += -mcpu=power9 -mtune=power9 CCOMMON_OPT += -mcpu=power9 -mtune=power9
endif endif
else else
CCOMMON_OPT += -mcpu=power9 -mtune=power9
endif
else
CCOMMON_OPT += -fast -Mvect=simd -Mcache_align CCOMMON_OPT += -fast -Mvect=simd -Mcache_align
endif endif
ifneq ($(F_COMPILER), PGI) ifneq ($(F_COMPILER), PGI)
FCOMMON_OPT += -O2 -frecursive -fno-fast-math FCOMMON_OPT += -O2 -frecursive -fno-fast-math
ifeq ($(C_COMPILER), GCC)
ifneq ($(GCCVERSIONGT4), 1) ifneq ($(GCCVERSIONGT4), 1)
$(warning your compiler is too old to fully support POWER9, getting a newer version of gcc is recommended) $(warning your compiler is too old to fully support POWER9, getting a newer version of gcc is recommended)
FCOMMON_OPT += -mcpu=power8 -mtune=power8 FCOMMON_OPT += -mcpu=power8 -mtune=power8
@ -35,6 +40,9 @@ else
FCOMMON_OPT += -mcpu=power9 -mtune=power9 FCOMMON_OPT += -mcpu=power9 -mtune=power9
endif endif
else else
FCOMMON_OPT += -mcpu=power9 -mtune=power9
endif
else
FCOMMON_OPT += -O2 -Mrecursive FCOMMON_OPT += -O2 -Mrecursive
endif endif
endif endif