Update comments

pull/703/head
Jeffrey Walton 2018-08-05 12:32:36 -04:00
parent 1dd0e321a6
commit 58b7abe106
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1 changed files with 4 additions and 5 deletions

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@ -410,11 +410,10 @@ ifeq ($(IS_ARMV8),1)
endif
endif
# PowerPC and PowerPC-64. Altivec is available with Power4.
# The tests below are crafted for IBM XLC and the LLVM front-end.
# XLC/LLVM only supplies POWER8. So we set the flags for XLC/LLVM
# and lower it if POWER7 or ALTIVEC is available. I've got a
# feeling LLVM is going to cause a lot of troubles.
# PowerPC and PowerPC-64. Altivec is available with POWER4 with GCC and
# POWER6 with XLC. The tests below are crafted for IBM XLC and the LLVM
# front-end. XLC/LLVM only supplies POWER8 so we have to set the flags for
# XLC/LLVM to POWER8. I've got a feeling LLVM is going to cause trouble.
ifneq ($(IS_PPC32)$(IS_PPC64),00)
HAVE_POWER8 = $(shell $(CXX) $(CXXFLAGS) -DADHOC_MAIN -mcpu=power8 -maltivec -dM -E adhoc.cpp 2>&1 | $(GREP) -i -c -E '_ARCH_PWR8|_ARCH_PWR9|__CRYPTO')
ifneq ($(HAVE_POWER8),0)