[AIX] Define _ARCH_PPC64 macro for 32-bit
authorJake Egan <Jake.Egan@ibm.com>
Fri, 6 Aug 2021 14:42:18 +0000 (10:42 -0400)
committerJake Egan <Jake.Egan@ibm.com>
Fri, 6 Aug 2021 14:42:44 +0000 (10:42 -0400)
commit41bcfe81742ed6462096ccb42aa5f2b9d67027fc
tree9a73d0661575b9ad1634ac0ea5841571c2759fa6
parent869d07ee88a4355f5954ef9e2b2e79ceff225ddb
[AIX] Define _ARCH_PPC64 macro for 32-bit

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The macro _ARCH_PPC64 is already defined for 64-bit, but this patch defines it for 32-bit on AIX to follow xlc. See: https://www.ibm.com/docs/en/xl-c-and-cpp-aix/13.1.0?topic=features-macros-related-architecture-settings

Note: This change creates a discrepancy between GCC, which defines _ARCH_PPC64 only for 64-bit mode.

Tested with SPEC.
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Reviewed By: cebowleratibm

Differential Revision: https://reviews.llvm.org/D107244
clang/lib/Basic/Targets/PPC.cpp
clang/test/Preprocessor/init-ppc.c