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4c892ae16a
powerpc64: add configure option to select ELFv2 ABI In preparation for compiler+ABI change in PowerPC64, this change adds a configure option to select ELFv2 as default powerpc64 ABI when compiling llvm-devel. The new option automatically set when ELFv2 environment is detected (when PPC_ABI=ELFv2) Submitted by: Alfredo Dal'Ava Júnior Differential Revision: https://reviews.freebsd.org/D22100
23 lines
720 B
C++
23 lines
720 B
C++
--- lib/Target/PowerPC/PPCTargetMachine.cpp.orig 2019-07-04 07:43:51 UTC
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+++ lib/Target/PowerPC/PPCTargetMachine.cpp
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@@ -209,6 +209,20 @@ static PPCTargetMachine::PPCABI computeTargetABI(const
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if (TT.isMacOSX())
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return PPCTargetMachine::PPC_ABI_UNKNOWN;
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+ if (TT.isOSFreeBSD()) {
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+ switch (TT.getArch()) {
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+ case Triple::ppc64le:
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+ case Triple::ppc64:
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+ if (TT.getOSMajorVersion() >= 13)
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+ return PPCTargetMachine::PPC_ABI_ELFv2;
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+ else
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+ return PPCTargetMachine::PPC_ABI_ELFv1;
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+ case Triple::ppc:
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+ default:
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+ return PPCTargetMachine::PPC_ABI_UNKNOWN;
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+ }
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+ }
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+
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switch (TT.getArch()) {
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case Triple::ppc64le:
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return PPCTargetMachine::PPC_ABI_ELFv2;
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