[Myriad]: better compatibility with vendor source

- Accept ma{2100,2150,2150} for -mcpu
- Define more preprocessor macros
- Don't append "le/" to little-endian lib dirs

llvm-svn: 276646

1 files changed, 3 insertions, 9 deletions

diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index 79f96cdaeac..f05261aef30 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -4935,21 +4935,15 @@ MyriadToolChain::MyriadToolChain(const Driver &D, const llvm::Triple &Triple,
 
   if (GCCInstallation.isValid()) {
     // The contents of LibDir are independent of the version of gcc.
-    // This contains libc, libg (a superset of libc), libm, libstdc++, libssp.
+    // This contains libc, libg, libm, libstdc++, libssp.
+    // The 'ma1x00' and 'nofpu' variants are irrelevant.
     SmallString<128> LibDir(GCCInstallation.getParentLibPath());
-    if (Triple.getArch() == llvm::Triple::sparcel)
-      llvm::sys::path::append(LibDir, "../sparc-myriad-elf/lib/le");
-    else
-      llvm::sys::path::append(LibDir, "../sparc-myriad-elf/lib");
+    llvm::sys::path::append(LibDir, "../sparc-myriad-elf/lib");
     addPathIfExists(D, LibDir, getFilePaths());
 
     // This directory contains crt{i,n,begin,end}.o as well as libgcc.
     // These files are tied to a particular version of gcc.
     SmallString<128> CompilerSupportDir(GCCInstallation.getInstallPath());
-    // There are actually 4 choices: {le,be} x {fpu,nofpu}
-    // but as this toolchain is for LEON sparc, it can assume FPU.
-    if (Triple.getArch() == llvm::Triple::sparcel)
-      llvm::sys::path::append(CompilerSupportDir, "le");
     addPathIfExists(D, CompilerSupportDir, getFilePaths());
   }
 }