Author: maskray Date: Wed May 22 00:29:59 2019 New Revision: 361355 URL: http://llvm.org/viewvc/llvm-project?rev=361355&view=rev Log: [PPC64] Parse -elfv1 -elfv2 when specified on target triple
Summary: For big-endian powerpc64, the default ABI is ELFv1. OpenPower ABI ELFv2 is supported when -mabi=elfv2 is specified. FreeBSD support for PowerPC64 ELFv2 ABI with LLVM is in progress[1]. This patch adds an alternative way to specify ELFv2 ABI on target triple [2]. The following results are expected: ELFv1 when using: -target powerpc64-unknown-freebsd12.0 -target powerpc64-unknown-freebsd12.0 -mabi=elfv1 -target powerpc64-unknown-freebsd12.0-elfv1 ELFv2 when using: -target powerpc64-unknown-freebsd12.0 -mabi=elfv2 -target powerpc64-unknown-freebsd12.0-elfv2 [1] https://wiki.freebsd.org/powerpc/llvm-elfv2 [2] https://clang.llvm.org/docs/CrossCompilation.html Patch by Alfredo Dal'Ava JĂșnior! Differential Revision: https://reviews.llvm.org/D61950 Modified: cfe/trunk/lib/Basic/Targets/PPC.h Modified: cfe/trunk/lib/Basic/Targets/PPC.h URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets/PPC.h?rev=361355&r1=361354&r2=361355&view=diff ============================================================================== --- cfe/trunk/lib/Basic/Targets/PPC.h (original) +++ cfe/trunk/lib/Basic/Targets/PPC.h Wed May 22 00:29:59 2019 @@ -379,13 +379,11 @@ public: if ((Triple.getArch() == llvm::Triple::ppc64le)) { resetDataLayout("e-m:e-i64:64-n32:64"); - ABI = "elfv2"; } else { resetDataLayout("E-m:e-i64:64-n32:64"); - ABI = "elfv1"; } - switch (getTriple().getOS()) { + switch (Triple.getOS()) { case llvm::Triple::FreeBSD: LongDoubleWidth = LongDoubleAlign = 64; LongDoubleFormat = &llvm::APFloat::IEEEdouble(); _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits