From 2da6eea07cdef7462e75faadd421aae6e2e26275 Mon Sep 17 00:00:00 2001 From: Rainer Orth Date: Tue, 23 Jul 2019 16:24:00 +0000 Subject: [PATCH] [clang, test] Fix Clang :: Headers/max_align.c on 64-bit SPARC Clang :: Headers/max_align.c currently FAILs on 64-bit SPARC: error: 'error' diagnostics seen but not expected: File /vol/llvm/src/clang/dist/test/Headers/max_align.c Line 12: static_assert failed due to requirement '8 == _Alignof(max_align_t)' "" 1 error generated. This happens because SuitableAlign isn't defined for SPARCv9 unlike SPARCv8 (which uses the default of 64 bits). gcc's sparc/sparc.h has #define BIGGEST_ALIGNMENT (TARGET_ARCH64 ? 128 : 64) This patch sets SuitableAlign to match and updates the corresponding testcase. Tested on sparcv9-sun-solaris2.11. Differential Revision: https://reviews.llvm.org/D64487 llvm-svn: 366820 --- clang/lib/Basic/Targets/Sparc.h | 1 + clang/test/Preprocessor/init.c | 1 + 2 files changed, 2 insertions(+) diff --git a/clang/lib/Basic/Targets/Sparc.h b/clang/lib/Basic/Targets/Sparc.h index 963192a..1f79956 100644 --- a/clang/lib/Basic/Targets/Sparc.h +++ b/clang/lib/Basic/Targets/Sparc.h @@ -208,6 +208,7 @@ public: // aligned. The SPARCv9 SCD 2.4.1 says 16-byte aligned. LongDoubleWidth = 128; LongDoubleAlign = 128; + SuitableAlign = 128; LongDoubleFormat = &llvm::APFloat::IEEEquad(); MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64; } diff --git a/clang/test/Preprocessor/init.c b/clang/test/Preprocessor/init.c index 954f02a..6548a66 100644 --- a/clang/test/Preprocessor/init.c +++ b/clang/test/Preprocessor/init.c @@ -9599,6 +9599,7 @@ // X86-64-DECLSPEC: #define __declspec{{.*}} // // RUN: %clang_cc1 -E -dM -ffreestanding -triple=sparc64-none-none < /dev/null | FileCheck -match-full-lines -check-prefix SPARCV9 %s +// SPARCV9:#define __BIGGEST_ALIGNMENT__ 16 // SPARCV9:#define __INT64_TYPE__ long int // SPARCV9:#define __INTMAX_C_SUFFIX__ L // SPARCV9:#define __INTMAX_TYPE__ long int -- 2.7.4