[PowerPC] Support powerpc64le as a syntax-checking target.
This patch provides basic support for powerpc64le as an LLVM target.
However, use of this target will not actually generate little-endian
code. Instead, use of the target will cause the correct little-endian
built-in defines to be generated, so that code that tests for
__LITTLE_ENDIAN__, for example, will be correctly parsed for
syntax-only testing. Code generation will otherwise be the same as
powerpc64 (big-endian), for now.
The patch leaves open the possibility of creating a little-endian
PowerPC64 back end, but there is no immediate intent to create such a
thing.
The new test case variant ensures that correct built-in defines for
little-endian code are generated.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@187180 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 82bd872..eb3c4f8 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -550,6 +550,7 @@
return true;
return false;
+ case llvm::Triple::ppc64le:
case llvm::Triple::systemz:
return false;
}
@@ -1109,6 +1110,7 @@
.Case("pwr7", "pwr7")
.Case("powerpc", "ppc")
.Case("powerpc64", "ppc64")
+ .Case("powerpc64le", "ppc64le")
.Default("");
}
@@ -1126,6 +1128,8 @@
if (TargetCPUName.empty() && !Triple.isOSDarwin()) {
if (Triple.getArch() == llvm::Triple::ppc64)
TargetCPUName = "ppc64";
+ else if (Triple.getArch() == llvm::Triple::ppc64le)
+ TargetCPUName = "ppc64le";
else
TargetCPUName = "ppc";
}
@@ -2470,6 +2474,7 @@
case llvm::Triple::ppc:
case llvm::Triple::ppc64:
+ case llvm::Triple::ppc64le:
AddPPCTargetArgs(Args, CmdArgs);
break;
@@ -2913,9 +2918,10 @@
// Report an error for -faltivec on anything other than PowerPC.
if (const Arg *A = Args.getLastArg(options::OPT_faltivec))
if (!(getToolChain().getArch() == llvm::Triple::ppc ||
- getToolChain().getArch() == llvm::Triple::ppc64))
+ getToolChain().getArch() == llvm::Triple::ppc64 ||
+ getToolChain().getArch() == llvm::Triple::ppc64le))
D.Diag(diag::err_drv_argument_only_allowed_with)
- << A->getAsString(Args) << "ppc/ppc64";
+ << A->getAsString(Args) << "ppc/ppc64/ppc64le";
if (getToolChain().SupportsProfiling())
Args.AddLastArg(CmdArgs, options::OPT_pg);
@@ -3949,6 +3955,8 @@
CmdArgs.push_back("ppc");
else if (Arch == llvm::Triple::ppc64)
CmdArgs.push_back("ppc64");
+ else if (Arch == llvm::Triple::ppc64le)
+ CmdArgs.push_back("ppc64le");
else
CmdArgs.push_back(Args.MakeArgString(getToolChain().getArchName()));
}
@@ -3960,7 +3968,8 @@
// here.
if (Arch == llvm::Triple::x86 || Arch == llvm::Triple::ppc)
CmdArgs.push_back("-m32");
- else if (Arch == llvm::Triple::x86_64 || Arch == llvm::Triple::ppc64)
+ else if (Arch == llvm::Triple::x86_64 || Arch == llvm::Triple::ppc64 ||
+ Arch == llvm::Triple::ppc64le)
CmdArgs.push_back("-m64");
if (Output.isFilename()) {
@@ -5912,6 +5921,10 @@
CmdArgs.push_back("-a64");
CmdArgs.push_back("-mppc64");
CmdArgs.push_back("-many");
+ } else if (getToolChain().getArch() == llvm::Triple::ppc64le) {
+ CmdArgs.push_back("-a64");
+ CmdArgs.push_back("-mppc64le");
+ CmdArgs.push_back("-many");
} else if (getToolChain().getArch() == llvm::Triple::arm) {
StringRef MArch = getToolChain().getArchName();
if (MArch == "armv7" || MArch == "armv7a" || MArch == "armv7-a")
@@ -6057,6 +6070,7 @@
} else if (ToolChain.getArch() == llvm::Triple::ppc)
return "/lib/ld.so.1";
else if (ToolChain.getArch() == llvm::Triple::ppc64 ||
+ ToolChain.getArch() == llvm::Triple::ppc64le ||
ToolChain.getArch() == llvm::Triple::systemz)
return "/lib64/ld64.so.1";
else