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[PPC64LE] Temporarily disable VSX support in little-endian mode

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This is a preliminary patch for the PowerPC64LE support.  In stage 1
of the vector support, we will support the VMX (Altivec) instruction
set, but will not yet support the VSX instructions.  This is merely a
staging issue to provide functional vector support as soon as
possible.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210271 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Schmidt 2014-06-05 16:21:13 +00:00
parent b49c13cc84
commit e1e0d4f367
1 changed files with 5 additions and 0 deletions
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5
lib/Target/PowerPC/PPCSubtarget.cpp
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@ -156,6 +156,11 @@ void PPCSubtarget::resetSubtargetFeatures(StringRef CPU, StringRef FS) {
// Determine endianness.
IsLittleEndian = (TargetTriple.getArch() == Triple::ppc64le);
// FIXME: For now, we disable VSX in little-endian mode until endian
// issues in those instructions can be addressed.
if (IsLittleEndian)
HasVSX = false;
}
/// hasLazyResolverStub - Return true if accesses to the specified global have