From a7fe922b98bb45be7dce7c1cfe668ec27eeddc74 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Wed, 17 Aug 2016 19:33:52 +0000
Subject: Vendor import of llvm release_39 branch r278877:
 https://llvm.org/svn/llvm-project/llvm/branches/release_39@278877

---
 lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp |  8 ++++----
 lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp       | 11 +++++++++--
 lib/Target/Mips/MipsTargetMachine.cpp                |  5 ++++-
 3 files changed, 17 insertions(+), 7 deletions(-)

(limited to 'lib/Target/Mips')

diff --git a/lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp b/lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp
index cdad7ce1b73a..20c5f3691d23 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp
@@ -518,6 +518,10 @@ bool MipsELFObjectWriter::needsRelocateWithSymbol(const MCSymbol &Sym,
       return true;
     return false;
 
+  case ELF::R_MIPS_GOT_PAGE:
+  case ELF::R_MICROMIPS_GOT_PAGE:
+  case ELF::R_MIPS_GOT_OFST:
+  case ELF::R_MICROMIPS_GOT_OFST:
   case ELF::R_MIPS_16:
   case ELF::R_MIPS_32:
   case ELF::R_MIPS_GPREL32:
@@ -539,8 +543,6 @@ bool MipsELFObjectWriter::needsRelocateWithSymbol(const MCSymbol &Sym,
   case ELF::R_MIPS_SHIFT5:
   case ELF::R_MIPS_SHIFT6:
   case ELF::R_MIPS_GOT_DISP:
-  case ELF::R_MIPS_GOT_PAGE:
-  case ELF::R_MIPS_GOT_OFST:
   case ELF::R_MIPS_GOT_HI16:
   case ELF::R_MIPS_GOT_LO16:
   case ELF::R_MIPS_INSERT_A:
@@ -589,8 +591,6 @@ bool MipsELFObjectWriter::needsRelocateWithSymbol(const MCSymbol &Sym,
   case ELF::R_MICROMIPS_PC16_S1:
   case ELF::R_MICROMIPS_CALL16:
   case ELF::R_MICROMIPS_GOT_DISP:
-  case ELF::R_MICROMIPS_GOT_PAGE:
-  case ELF::R_MICROMIPS_GOT_OFST:
   case ELF::R_MICROMIPS_GOT_HI16:
   case ELF::R_MICROMIPS_GOT_LO16:
   case ELF::R_MICROMIPS_SUB:
diff --git a/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp b/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp
index 1622b2212665..1ce8f07092b1 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp
@@ -28,12 +28,19 @@ MipsMCAsmInfo::MipsMCAsmInfo(const Triple &TheTriple) {
     PointerSize = CalleeSaveStackSlotSize = 8;
   }
 
+  // FIXME: This condition isn't quite right but it's the best we can do until
+  //        this object can identify the ABI. It will misbehave when using O32
+  //        on a mips64*-* triple.
+  if ((TheTriple.getArch() == Triple::mipsel) ||
+      (TheTriple.getArch() == Triple::mips)) {
+    PrivateGlobalPrefix = "$";
+    PrivateLabelPrefix = "$";
+  }
+
   AlignmentIsInBytes          = false;
   Data16bitsDirective         = "\t.2byte\t";
   Data32bitsDirective         = "\t.4byte\t";
   Data64bitsDirective         = "\t.8byte\t";
-  PrivateGlobalPrefix         = "$";
-  PrivateLabelPrefix          = "$";
   CommentString               = "#";
   ZeroDirective               = "\t.space\t";
   GPRel32Directive            = "\t.gpword\t";
diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp
index c248c3a50ac8..80641ed9bd31 100644
--- a/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/lib/Target/Mips/MipsTargetMachine.cpp
@@ -57,7 +57,10 @@ static std::string computeDataLayout(const Triple &TT, StringRef CPU,
   else
     Ret += "E";
 
-  Ret += "-m:m";
+  if (ABI.IsO32())
+    Ret += "-m:m";
+  else
+    Ret += "-m:e";
 
   // Pointers are 32 bit on some ABIs.
   if (!ABI.IsN64())
-- 
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