[llvm] r240410 - [mips] [IAS] Add partial support for the ULHU pseudo-instruction.

Toma Tabacu toma.tabacu at imgtec.com
Tue Jun 23 07:39:43 PDT 2015


Author: tomatabacu
Date: Tue Jun 23 09:39:42 2015
New Revision: 240410

URL: http://llvm.org/viewvc/llvm-project?rev=240410&view=rev
Log:
[mips] [IAS] Add partial support for the ULHU pseudo-instruction.

Summary:
This only adds support for ULHU of an immediate address with/without a source register.
It does not include support for ULHU of the address of a symbol.

Reviewers: dsanders

Reviewed By: dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D9671

Modified:
    llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
    llvm/trunk/lib/Target/Mips/MipsInstrInfo.td
    llvm/trunk/test/MC/Mips/mips-expansions-bad.s
    llvm/trunk/test/MC/Mips/mips-expansions.s
    llvm/trunk/test/MC/Mips/mips64-expansions.s
    llvm/trunk/test/MC/Mips/set-nomacro.s

Modified: llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp?rev=240410&r1=240409&r2=240410&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp (original)
+++ llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp Tue Jun 23 09:39:42 2015
@@ -113,6 +113,7 @@ class MipsAsmParser : public MCTargetAsm
                        // nullptr, which indicates that no function is currently
                        // selected. This usually happens after an '.end func'
                        // directive.
+  bool IsLittleEndian;
 
   // Print a warning along with its fix-it message at the given range.
   void printWarningWithFixIt(const Twine &Msg, const Twine &FixMsg,
@@ -214,6 +215,9 @@ class MipsAsmParser : public MCTargetAsm
   bool expandCondBranches(MCInst &Inst, SMLoc IDLoc,
                           SmallVectorImpl<MCInst> &Instructions);
 
+  bool expandUlhu(MCInst &Inst, SMLoc IDLoc,
+                  SmallVectorImpl<MCInst> &Instructions);
+
   void createNop(bool hasShortDelaySlot, SMLoc IDLoc,
                  SmallVectorImpl<MCInst> &Instructions);
 
@@ -387,6 +391,13 @@ public:
       report_fatal_error("-mno-odd-spreg requires the O32 ABI");
 
     CurrentFn = nullptr;
+
+    Triple TheTriple(sti.getTargetTriple());
+    if ((TheTriple.getArch() == Triple::mips) ||
+        (TheTriple.getArch() == Triple::mips64))
+      IsLittleEndian = false;
+    else
+      IsLittleEndian = true;
   }
 
   /// True if all of $fcc0 - $fcc7 exist for the current ISA.
@@ -462,6 +473,8 @@ public:
   void warnIfRegIndexIsAT(unsigned RegIndex, SMLoc Loc);
 
   void warnIfNoMacro(SMLoc Loc);
+
+  bool isLittle() const { return IsLittleEndian; }
 };
 }
 
@@ -1635,6 +1648,7 @@ bool MipsAsmParser::needsExpansion(MCIns
   case Mips::BLEU:
   case Mips::BGEU:
   case Mips::BGTU:
+  case Mips::Ulhu:
     return true;
   default:
     return false;
@@ -1673,6 +1687,8 @@ bool MipsAsmParser::expandInstruction(MC
   case Mips::BGEU:
   case Mips::BGTU:
     return expandCondBranches(Inst, IDLoc, Instructions);
+  case Mips::Ulhu:
+    return expandUlhu(Inst, IDLoc, Instructions);
   }
 }
 
@@ -2471,6 +2487,101 @@ bool MipsAsmParser::expandCondBranches(M
   return false;
 }
 
+bool MipsAsmParser::expandUlhu(MCInst &Inst, SMLoc IDLoc,
+                               SmallVectorImpl<MCInst> &Instructions) {
+  if (hasMips32r6() || hasMips64r6()) {
+    Error(IDLoc, "instruction not supported on mips32r6 or mips64r6");
+    return false;
+  }
+
+  warnIfNoMacro(IDLoc);
+
+  const MCOperand &DstRegOp = Inst.getOperand(0);
+  assert(DstRegOp.isReg() && "expected register operand kind");
+
+  const MCOperand &SrcRegOp = Inst.getOperand(1);
+  assert(SrcRegOp.isReg() && "expected register operand kind");
+
+  const MCOperand &OffsetImmOp = Inst.getOperand(2);
+  assert(OffsetImmOp.isImm() && "expected immediate operand kind");
+
+  unsigned DstReg = DstRegOp.getReg();
+  unsigned SrcReg = SrcRegOp.getReg();
+  int64_t OffsetValue = OffsetImmOp.getImm();
+
+  // NOTE: We always need AT for ULHU, as it is always used as the source
+  // register for one of the LBu's.
+  unsigned ATReg = getATReg(IDLoc);
+  if (!ATReg)
+    return true;
+
+  // When the value of offset+1 does not fit in 16 bits, we have to load the
+  // offset in AT, (D)ADDu the original source register (if there was one), and
+  // then use AT as the source register for the 2 generated LBu's.
+  bool LoadedOffsetInAT = false;
+  if (!isInt<16>(OffsetValue + 1) || !isInt<16>(OffsetValue)) {
+    LoadedOffsetInAT = true;
+
+    if (loadImmediate(OffsetValue, ATReg, Mips::NoRegister, !ABI.ArePtrs64bit(),
+                      IDLoc, Instructions))
+      return true;
+
+    // NOTE: We do this (D)ADDu here instead of doing it in loadImmediate()
+    // because it will make our output more similar to GAS'. For example,
+    // generating an "ori $1, $zero, 32768" followed by an "addu $1, $1, $9",
+    // instead of just an "ori $1, $9, 32768".
+    // NOTE: If there is no source register specified in the ULHU, the parser
+    // will interpret it as $0.
+    if (SrcReg != Mips::ZERO && SrcReg != Mips::ZERO_64)
+      createAddu(ATReg, ATReg, SrcReg, ABI.ArePtrs64bit(), Instructions);
+  }
+
+  unsigned FirstLbuDstReg = LoadedOffsetInAT ? DstReg : ATReg;
+  unsigned SecondLbuDstReg = LoadedOffsetInAT ? ATReg : DstReg;
+  unsigned LbuSrcReg = LoadedOffsetInAT ? ATReg : SrcReg;
+
+  int64_t FirstLbuOffset = 0, SecondLbuOffset = 0;
+  if (isLittle()) {
+    FirstLbuOffset = LoadedOffsetInAT ? 1 : (OffsetValue + 1);
+    SecondLbuOffset = LoadedOffsetInAT ? 0 : OffsetValue;
+  } else {
+    FirstLbuOffset = LoadedOffsetInAT ? 0 : OffsetValue;
+    SecondLbuOffset = LoadedOffsetInAT ? 1 : (OffsetValue + 1);
+  }
+
+  unsigned SllReg = LoadedOffsetInAT ? DstReg : ATReg;
+
+  MCInst TmpInst;
+  TmpInst.setOpcode(Mips::LBu);
+  TmpInst.addOperand(MCOperand::createReg(FirstLbuDstReg));
+  TmpInst.addOperand(MCOperand::createReg(LbuSrcReg));
+  TmpInst.addOperand(MCOperand::createImm(FirstLbuOffset));
+  Instructions.push_back(TmpInst);
+
+  TmpInst.clear();
+  TmpInst.setOpcode(Mips::LBu);
+  TmpInst.addOperand(MCOperand::createReg(SecondLbuDstReg));
+  TmpInst.addOperand(MCOperand::createReg(LbuSrcReg));
+  TmpInst.addOperand(MCOperand::createImm(SecondLbuOffset));
+  Instructions.push_back(TmpInst);
+
+  TmpInst.clear();
+  TmpInst.setOpcode(Mips::SLL);
+  TmpInst.addOperand(MCOperand::createReg(SllReg));
+  TmpInst.addOperand(MCOperand::createReg(SllReg));
+  TmpInst.addOperand(MCOperand::createImm(8));
+  Instructions.push_back(TmpInst);
+
+  TmpInst.clear();
+  TmpInst.setOpcode(Mips::OR);
+  TmpInst.addOperand(MCOperand::createReg(DstReg));
+  TmpInst.addOperand(MCOperand::createReg(DstReg));
+  TmpInst.addOperand(MCOperand::createReg(ATReg));
+  Instructions.push_back(TmpInst);
+
+  return false;
+}
+
 void MipsAsmParser::createNop(bool hasShortDelaySlot, SMLoc IDLoc,
                               SmallVectorImpl<MCInst> &Instructions) {
   MCInst NopInst;

Modified: llvm/trunk/lib/Target/Mips/MipsInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsInstrInfo.td?rev=240410&r1=240409&r2=240410&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsInstrInfo.td (original)
+++ llvm/trunk/lib/Target/Mips/MipsInstrInfo.td Tue Jun 23 09:39:42 2015
@@ -1707,6 +1707,9 @@ def BLEU : CondBranchPseudo<"bleu">;
 def BGEU : CondBranchPseudo<"bgeu">;
 def BGTU : CondBranchPseudo<"bgtu">;
 
+def Ulhu : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins mem:$addr),
+                             "ulhu\t$rt, $addr">, ISA_MIPS1_NOT_32R6_64R6;
+
 //===----------------------------------------------------------------------===//
 //  Arbitrary patterns that map to one or more instructions
 //===----------------------------------------------------------------------===//

Modified: llvm/trunk/test/MC/Mips/mips-expansions-bad.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Mips/mips-expansions-bad.s?rev=240410&r1=240409&r2=240410&view=diff
==============================================================================
--- llvm/trunk/test/MC/Mips/mips-expansions-bad.s (original)
+++ llvm/trunk/test/MC/Mips/mips-expansions-bad.s Tue Jun 23 09:39:42 2015
@@ -18,11 +18,21 @@
   la $5, symbol
   # N64-ONLY: :[[@LINE-1]]:3: warning: instruction loads the 32-bit address of a 64-bit symbol
   # N32-ONLY-NOT: :[[@LINE-2]]:3: warning: instruction loads the 32-bit address of a 64-bit symbol
-  # 64-BIT: lui $5, %hi(symbol)
-  # 64-BIT: ori $5, $5, %lo(symbol)
   dli $5, 1
   # 32-BIT: :[[@LINE-1]]:3: error: instruction requires a 64-bit architecture
   bne $2, 0x100010001, 1332
   # 32-BIT: :[[@LINE-1]]:3: error: instruction requires a 32-bit immediate
   beq $2, 0x100010001, 1332
   # 32-BIT: :[[@LINE-1]]:3: error: instruction requires a 32-bit immediate
+  .set mips32r6
+  ulhu $5, 0
+  # 32-BIT: :[[@LINE-1]]:3: error: instruction not supported on mips32r6 or mips64r6
+  # 64-BIT: :[[@LINE-2]]:3: error: instruction not supported on mips32r6 or mips64r6
+  .set mips32
+  ulhu $5, 1
+  # 32-BIT-NOT: :[[@LINE-1]]:3: error: instruction not supported on mips32r6 or mips64r6
+  # 64-BIT-NOT: :[[@LINE-2]]:3: error: instruction not supported on mips32r6 or mips64r6
+  .set mips64r6
+  ulhu $5, 2
+  # 32-BIT: :[[@LINE-1]]:3: error: instruction not supported on mips32r6 or mips64r6
+  # 64-BIT: :[[@LINE-2]]:3: error: instruction not supported on mips32r6 or mips64r6

Modified: llvm/trunk/test/MC/Mips/mips-expansions.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Mips/mips-expansions.s?rev=240410&r1=240409&r2=240410&view=diff
==============================================================================
--- llvm/trunk/test/MC/Mips/mips-expansions.s (original)
+++ llvm/trunk/test/MC/Mips/mips-expansions.s Tue Jun 23 09:39:42 2015
@@ -1,184 +1,386 @@
 # RUN: llvm-mc %s -triple=mipsel-unknown-linux -show-encoding -mcpu=mips32r2 | \
-# RUN:   FileCheck %s
+# RUN:   FileCheck %s --check-prefix=CHECK-LE
+# RUN: llvm-mc %s -triple=mips-unknown-linux -show-encoding -mcpu=mips32r2 | \
+# RUN:   FileCheck %s --check-prefix=CHECK-BE
 
 # Check that the IAS expands macro instructions in the same way as GAS.
 
 # Load immediate, done by MipsAsmParser::expandLoadImm():
   li $5, 123
-# CHECK:     ori     $5, $zero, 123   # encoding: [0x7b,0x00,0x05,0x34]
+# CHECK-LE:     ori     $5, $zero, 123   # encoding: [0x7b,0x00,0x05,0x34]
   li $6, -2345
-# CHECK:     addiu   $6, $zero, -2345 # encoding: [0xd7,0xf6,0x06,0x24]
+# CHECK-LE:     addiu   $6, $zero, -2345 # encoding: [0xd7,0xf6,0x06,0x24]
   li $7, 65538
-# CHECK:     lui     $7, 1            # encoding: [0x01,0x00,0x07,0x3c]
-# CHECK:     ori     $7, $7, 2        # encoding: [0x02,0x00,0xe7,0x34]
+# CHECK-LE:     lui     $7, 1            # encoding: [0x01,0x00,0x07,0x3c]
+# CHECK-LE:     ori     $7, $7, 2        # encoding: [0x02,0x00,0xe7,0x34]
   li $8, ~7
-# CHECK:     addiu   $8, $zero, -8    # encoding: [0xf8,0xff,0x08,0x24]
+# CHECK-LE:     addiu   $8, $zero, -8    # encoding: [0xf8,0xff,0x08,0x24]
   li $9, 0x10000
-# CHECK:     lui     $9, 1            # encoding: [0x01,0x00,0x09,0x3c]
-# CHECK-NOT: ori $9, $9, 0            # encoding: [0x00,0x00,0x29,0x35]
+# CHECK-LE:     lui     $9, 1            # encoding: [0x01,0x00,0x09,0x3c]
+# CHECK-LE-NOT: ori $9, $9, 0            # encoding: [0x00,0x00,0x29,0x35]
   li $10, ~(0x101010)
-# CHECK:     lui     $10, 65519       # encoding: [0xef,0xff,0x0a,0x3c]
-# CHECK:     ori     $10, $10, 61423  # encoding: [0xef,0xef,0x4a,0x35]
+# CHECK-LE:     lui     $10, 65519       # encoding: [0xef,0xff,0x0a,0x3c]
+# CHECK-LE:     ori     $10, $10, 61423  # encoding: [0xef,0xef,0x4a,0x35]
 
 # Load address, done by MipsAsmParser::expandLoadAddressReg()
 # and MipsAsmParser::expandLoadAddressImm():
   la $4, 20
-# CHECK: ori     $4, $zero, 20       # encoding: [0x14,0x00,0x04,0x34]
+# CHECK-LE: ori     $4, $zero, 20       # encoding: [0x14,0x00,0x04,0x34]
   la $7, 65538
-# CHECK: lui     $7, 1               # encoding: [0x01,0x00,0x07,0x3c]
-# CHECK: ori     $7, $7, 2           # encoding: [0x02,0x00,0xe7,0x34]
+# CHECK-LE: lui     $7, 1               # encoding: [0x01,0x00,0x07,0x3c]
+# CHECK-LE: ori     $7, $7, 2           # encoding: [0x02,0x00,0xe7,0x34]
   la $4, 20($5)
-# CHECK: ori     $4, $5, 20          # encoding: [0x14,0x00,0xa4,0x34]
+# CHECK-LE: ori     $4, $5, 20          # encoding: [0x14,0x00,0xa4,0x34]
   la $7, 65538($8)
-# CHECK: lui     $7, 1               # encoding: [0x01,0x00,0x07,0x3c]
-# CHECK: ori     $7, $7, 2           # encoding: [0x02,0x00,0xe7,0x34]
-# CHECK: addu    $7, $7, $8          # encoding: [0x21,0x38,0xe8,0x00]
+# CHECK-LE: lui     $7, 1               # encoding: [0x01,0x00,0x07,0x3c]
+# CHECK-LE: ori     $7, $7, 2           # encoding: [0x02,0x00,0xe7,0x34]
+# CHECK-LE: addu    $7, $7, $8          # encoding: [0x21,0x38,0xe8,0x00]
   la $8, 1f
-# CHECK: lui     $8, %hi($tmp0)      # encoding: [A,A,0x08,0x3c]
-# CHECK:                             #   fixup A - offset: 0, value: ($tmp0)@ABS_HI, kind: fixup_Mips_HI16
-# CHECK: ori     $8, $8, %lo($tmp0)  # encoding: [A,A,0x08,0x35]
-# CHECK:                             #   fixup A - offset: 0, value: ($tmp0)@ABS_LO, kind: fixup_Mips_LO16
+# CHECK-LE: lui     $8, %hi($tmp0)      # encoding: [A,A,0x08,0x3c]
+# CHECK-LE:                             #   fixup A - offset: 0, value: ($tmp0)@ABS_HI, kind: fixup_Mips_HI16
+# CHECK-LE: ori     $8, $8, %lo($tmp0)  # encoding: [A,A,0x08,0x35]
+# CHECK-LE:                             #   fixup A - offset: 0, value: ($tmp0)@ABS_LO, kind: fixup_Mips_LO16
   la $8, symbol
-# CHECK: lui     $8, %hi(symbol)     # encoding: [A,A,0x08,0x3c]
-# CHECK:                             #   fixup A - offset: 0, value: symbol at ABS_HI, kind: fixup_Mips_HI16
-# CHECK: ori     $8, $8, %lo(symbol) # encoding: [A,A,0x08,0x35]
-# CHECK:                             #   fixup A - offset: 0, value: symbol at ABS_LO, kind: fixup_Mips_LO16
+# CHECK-LE: lui     $8, %hi(symbol)     # encoding: [A,A,0x08,0x3c]
+# CHECK-LE:                             #   fixup A - offset: 0, value: symbol at ABS_HI, kind: fixup_Mips_HI16
+# CHECK-LE: ori     $8, $8, %lo(symbol) # encoding: [A,A,0x08,0x35]
+# CHECK-LE:                             #   fixup A - offset: 0, value: symbol at ABS_LO, kind: fixup_Mips_LO16
   la $8, symbol($9)
-# CHECK: lui  $8, %hi(symbol)        # encoding: [A,A,0x08,0x3c]
-# CHECK:                             #   fixup A - offset: 0, value: symbol at ABS_HI, kind: fixup_Mips_HI16
-# CHECK: ori  $8, $8, %lo(symbol)    # encoding: [A,A,0x08,0x35]
-# CHECK:                             #   fixup A - offset: 0, value: symbol at ABS_LO, kind: fixup_Mips_LO16
-# CHECK: addu $8, $8, $9             # encoding: [0x21,0x40,0x09,0x01]
+# CHECK-LE: lui  $8, %hi(symbol)        # encoding: [A,A,0x08,0x3c]
+# CHECK-LE:                             #   fixup A - offset: 0, value: symbol at ABS_HI, kind: fixup_Mips_HI16
+# CHECK-LE: ori  $8, $8, %lo(symbol)    # encoding: [A,A,0x08,0x35]
+# CHECK-LE:                             #   fixup A - offset: 0, value: symbol at ABS_LO, kind: fixup_Mips_LO16
+# CHECK-LE: addu $8, $8, $9             # encoding: [0x21,0x40,0x09,0x01]
   la $8, symbol($8)
-# CHECK: lui  $1, %hi(symbol)        # encoding: [A,A,0x01,0x3c]
-# CHECK:                             #   fixup A - offset: 0, value: symbol at ABS_HI, kind: fixup_Mips_HI16
-# CHECK: ori  $1, $1, %lo(symbol)    # encoding: [A,A,0x21,0x34]
-# CHECK:                             #   fixup A - offset: 0, value: symbol at ABS_LO, kind: fixup_Mips_LO16
-# CHECK: addu $8, $1, $8             # encoding: [0x21,0x40,0x28,0x00]
+# CHECK-LE: lui  $1, %hi(symbol)        # encoding: [A,A,0x01,0x3c]
+# CHECK-LE:                             #   fixup A - offset: 0, value: symbol at ABS_HI, kind: fixup_Mips_HI16
+# CHECK-LE: ori  $1, $1, %lo(symbol)    # encoding: [A,A,0x21,0x34]
+# CHECK-LE:                             #   fixup A - offset: 0, value: symbol at ABS_LO, kind: fixup_Mips_LO16
+# CHECK-LE: addu $8, $1, $8             # encoding: [0x21,0x40,0x28,0x00]
   la $8, 20($8)
-# CHECK: ori  $8, $8, 20             # encoding: [0x14,0x00,0x08,0x35]
+# CHECK-LE: ori  $8, $8, 20             # encoding: [0x14,0x00,0x08,0x35]
   la $8, 65538($8)
-# CHECK: lui  $1, 1                  # encoding: [0x01,0x00,0x01,0x3c]
-# CHECK: ori  $1, $1, 2              # encoding: [0x02,0x00,0x21,0x34]
-# CHECK: addu $8, $1, $8             # encoding: [0x21,0x40,0x28,0x00]
+# CHECK-LE: lui  $1, 1                  # encoding: [0x01,0x00,0x01,0x3c]
+# CHECK-LE: ori  $1, $1, 2              # encoding: [0x02,0x00,0x21,0x34]
+# CHECK-LE: addu $8, $1, $8             # encoding: [0x21,0x40,0x28,0x00]
 
 # LW/SW and LDC1/SDC1 of symbol address, done by MipsAsmParser::expandMemInst():
   .set noat
   lw $10, symbol($4)
-# CHECK: lui     $10, %hi(symbol)        # encoding: [A,A,0x0a,0x3c]
-# CHECK:                                 #   fixup A - offset: 0, value: symbol at ABS_HI, kind: fixup_Mips_HI16
-# CHECK: addu    $10, $10, $4            # encoding: [0x21,0x50,0x44,0x01]
-# CHECK: lw      $10, %lo(symbol)($10)   # encoding: [A,A,0x4a,0x8d]
-# CHECK:                                 #   fixup A - offset: 0, value: symbol at ABS_LO, kind: fixup_Mips_LO16
+# CHECK-LE: lui     $10, %hi(symbol)        # encoding: [A,A,0x0a,0x3c]
+# CHECK-LE:                                 #   fixup A - offset: 0, value: symbol at ABS_HI, kind: fixup_Mips_HI16
+# CHECK-LE: addu    $10, $10, $4            # encoding: [0x21,0x50,0x44,0x01]
+# CHECK-LE: lw      $10, %lo(symbol)($10)   # encoding: [A,A,0x4a,0x8d]
+# CHECK-LE:                                 #   fixup A - offset: 0, value: symbol at ABS_LO, kind: fixup_Mips_LO16
   .set at
   sw $10, symbol($9)
-# CHECK: lui     $1, %hi(symbol)         # encoding: [A,A,0x01,0x3c]
-# CHECK:                                 #   fixup A - offset: 0, value: symbol at ABS_HI, kind: fixup_Mips_HI16
-# CHECK: addu    $1, $1, $9              # encoding: [0x21,0x08,0x29,0x00]
-# CHECK: sw      $10, %lo(symbol)($1)    # encoding: [A,A,0x2a,0xac]
-# CHECK:                                 #   fixup A - offset: 0, value: symbol at ABS_LO, kind: fixup_Mips_LO16
+# CHECK-LE: lui     $1, %hi(symbol)         # encoding: [A,A,0x01,0x3c]
+# CHECK-LE:                                 #   fixup A - offset: 0, value: symbol at ABS_HI, kind: fixup_Mips_HI16
+# CHECK-LE: addu    $1, $1, $9              # encoding: [0x21,0x08,0x29,0x00]
+# CHECK-LE: sw      $10, %lo(symbol)($1)    # encoding: [A,A,0x2a,0xac]
+# CHECK-LE:                                 #   fixup A - offset: 0, value: symbol at ABS_LO, kind: fixup_Mips_LO16
 
   lw $8, 1f
-# CHECK: lui $8, %hi($tmp0)              # encoding: [A,A,0x08,0x3c]
-# CHECK:                                 #   fixup A - offset: 0, value: ($tmp0)@ABS_HI, kind: fixup_Mips_HI16
-# CHECK: lw  $8, %lo($tmp0)($8)          # encoding: [A,A,0x08,0x8d]
-# CHECK:                                 #   fixup A - offset: 0, value: ($tmp0)@ABS_LO, kind: fixup_Mips_LO16
+# CHECK-LE: lui $8, %hi($tmp0)              # encoding: [A,A,0x08,0x3c]
+# CHECK-LE:                                 #   fixup A - offset: 0, value: ($tmp0)@ABS_HI, kind: fixup_Mips_HI16
+# CHECK-LE: lw  $8, %lo($tmp0)($8)          # encoding: [A,A,0x08,0x8d]
+# CHECK-LE:                                 #   fixup A - offset: 0, value: ($tmp0)@ABS_LO, kind: fixup_Mips_LO16
   sw $8, 1f
-# CHECK: lui $1, %hi($tmp0)              # encoding: [A,A,0x01,0x3c]
-# CHECK:                                 #   fixup A - offset: 0, value: ($tmp0)@ABS_HI, kind: fixup_Mips_HI16
-# CHECK: sw  $8, %lo($tmp0)($1)          # encoding: [A,A,0x28,0xac]
-# CHECK:                                 #   fixup A - offset: 0, value: ($tmp0)@ABS_LO, kind: fixup_Mips_LO16
+# CHECK-LE: lui $1, %hi($tmp0)              # encoding: [A,A,0x01,0x3c]
+# CHECK-LE:                                 #   fixup A - offset: 0, value: ($tmp0)@ABS_HI, kind: fixup_Mips_HI16
+# CHECK-LE: sw  $8, %lo($tmp0)($1)          # encoding: [A,A,0x28,0xac]
+# CHECK-LE:                                 #   fixup A - offset: 0, value: ($tmp0)@ABS_LO, kind: fixup_Mips_LO16
 
   lw $10, 655483($4)
-# CHECK: lui     $10, 10                 # encoding: [0x0a,0x00,0x0a,0x3c]
-# CHECK: addu    $10, $10, $4            # encoding: [0x21,0x50,0x44,0x01]
-# CHECK: lw      $10, 123($10)           # encoding: [0x7b,0x00,0x4a,0x8d]
+# CHECK-LE: lui     $10, 10                 # encoding: [0x0a,0x00,0x0a,0x3c]
+# CHECK-LE: addu    $10, $10, $4            # encoding: [0x21,0x50,0x44,0x01]
+# CHECK-LE: lw      $10, 123($10)           # encoding: [0x7b,0x00,0x4a,0x8d]
   sw $10, 123456($9)
-# CHECK: lui     $1, 2                   # encoding: [0x02,0x00,0x01,0x3c]
-# CHECK: addu    $1, $1, $9              # encoding: [0x21,0x08,0x29,0x00]
-# CHECK: sw      $10, 57920($1)          # encoding: [0x40,0xe2,0x2a,0xac]
+# CHECK-LE: lui     $1, 2                   # encoding: [0x02,0x00,0x01,0x3c]
+# CHECK-LE: addu    $1, $1, $9              # encoding: [0x21,0x08,0x29,0x00]
+# CHECK-LE: sw      $10, 57920($1)          # encoding: [0x40,0xe2,0x2a,0xac]
 
   lw $8, symbol
-# CHECK:     lui     $8, %hi(symbol)     # encoding: [A,A,0x08,0x3c]
-# CHECK:                                 #   fixup A - offset: 0, value: symbol at ABS_HI, kind: fixup_Mips_HI16
-# CHECK-NOT: move    $8, $8              # encoding: [0x21,0x40,0x00,0x01]
-# CHECK:     lw      $8, %lo(symbol)($8) # encoding: [A,A,0x08,0x8d]
-# CHECK:                                 #   fixup A - offset: 0, value: symbol at ABS_LO, kind: fixup_Mips_LO16
+# CHECK-LE:     lui     $8, %hi(symbol)     # encoding: [A,A,0x08,0x3c]
+# CHECK-LE:                                 #   fixup A - offset: 0, value: symbol at ABS_HI, kind: fixup_Mips_HI16
+# CHECK-LE-NOT: move    $8, $8              # encoding: [0x21,0x40,0x00,0x01]
+# CHECK-LE:     lw      $8, %lo(symbol)($8) # encoding: [A,A,0x08,0x8d]
+# CHECK-LE:                                 #   fixup A - offset: 0, value: symbol at ABS_LO, kind: fixup_Mips_LO16
   sw $8, symbol
-# CHECK:     lui     $1, %hi(symbol)     # encoding: [A,A,0x01,0x3c]
-# CHECK:                                 #   fixup A - offset: 0, value: symbol at ABS_HI, kind: fixup_Mips_HI16
-# CHECK-NOT: move    $1, $1              # encoding: [0x21,0x08,0x20,0x00]
-# CHECK:     sw      $8, %lo(symbol)($1) # encoding: [A,A,0x28,0xac]
-# CHECK:                                 #   fixup A - offset: 0, value: symbol at ABS_LO, kind: fixup_Mips_LO16
+# CHECK-LE:     lui     $1, %hi(symbol)     # encoding: [A,A,0x01,0x3c]
+# CHECK-LE:                                 #   fixup A - offset: 0, value: symbol at ABS_HI, kind: fixup_Mips_HI16
+# CHECK-LE-NOT: move    $1, $1              # encoding: [0x21,0x08,0x20,0x00]
+# CHECK-LE:     sw      $8, %lo(symbol)($1) # encoding: [A,A,0x28,0xac]
+# CHECK-LE:                                 #   fixup A - offset: 0, value: symbol at ABS_LO, kind: fixup_Mips_LO16
 
   ldc1 $f0, symbol
-# CHECK: lui     $1, %hi(symbol)
-# CHECK: ldc1    $f0, %lo(symbol)($1)
+# CHECK-LE: lui     $1, %hi(symbol)
+# CHECK-LE: ldc1    $f0, %lo(symbol)($1)
   sdc1 $f0, symbol
-# CHECK: lui     $1, %hi(symbol)
-# CHECK: sdc1    $f0, %lo(symbol)($1)
+# CHECK-LE: lui     $1, %hi(symbol)
+# CHECK-LE: sdc1    $f0, %lo(symbol)($1)
 
 # Test BNE with an immediate as the 2nd operand.
   bne $2, 0, 1332
-# CHECK: bnez  $2, 1332          # encoding: [0x4d,0x01,0x40,0x14]
-# CHECK: nop                     # encoding: [0x00,0x00,0x00,0x00]
+# CHECK-LE: bnez  $2, 1332          # encoding: [0x4d,0x01,0x40,0x14]
+# CHECK-LE: nop                     # encoding: [0x00,0x00,0x00,0x00]
 
   bne $2, 123, 1332
-# CHECK: ori   $1, $zero, 123    # encoding: [0x7b,0x00,0x01,0x34]
-# CHECK: bne   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x14]
-# CHECK: nop                     # encoding: [0x00,0x00,0x00,0x00]
+# CHECK-LE: ori   $1, $zero, 123    # encoding: [0x7b,0x00,0x01,0x34]
+# CHECK-LE: bne   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x14]
+# CHECK-LE: nop                     # encoding: [0x00,0x00,0x00,0x00]
 
   bne $2, -2345, 1332
-# CHECK: addiu $1, $zero, -2345  # encoding: [0xd7,0xf6,0x01,0x24]
-# CHECK: bne   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x14]
-# CHECK: nop                     # encoding: [0x00,0x00,0x00,0x00]
+# CHECK-LE: addiu $1, $zero, -2345  # encoding: [0xd7,0xf6,0x01,0x24]
+# CHECK-LE: bne   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x14]
+# CHECK-LE: nop                     # encoding: [0x00,0x00,0x00,0x00]
 
   bne $2, 65538, 1332
-# CHECK: lui   $1, 1             # encoding: [0x01,0x00,0x01,0x3c]
-# CHECK: ori   $1, $1, 2         # encoding: [0x02,0x00,0x21,0x34]
-# CHECK: bne   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x14]
-# CHECK: nop                     # encoding: [0x00,0x00,0x00,0x00]
+# CHECK-LE: lui   $1, 1             # encoding: [0x01,0x00,0x01,0x3c]
+# CHECK-LE: ori   $1, $1, 2         # encoding: [0x02,0x00,0x21,0x34]
+# CHECK-LE: bne   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x14]
+# CHECK-LE: nop                     # encoding: [0x00,0x00,0x00,0x00]
 
   bne $2, ~7, 1332
-# CHECK: addiu $1, $zero, -8     # encoding: [0xf8,0xff,0x01,0x24]
-# CHECK: bne   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x14]
-# CHECK: nop                     # encoding: [0x00,0x00,0x00,0x00]
+# CHECK-LE: addiu $1, $zero, -8     # encoding: [0xf8,0xff,0x01,0x24]
+# CHECK-LE: bne   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x14]
+# CHECK-LE: nop                     # encoding: [0x00,0x00,0x00,0x00]
 
   bne $2, 0x10000, 1332
-# CHECK: lui   $1, 1             # encoding: [0x01,0x00,0x01,0x3c]
-# CHECK: bne   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x14]
-# CHECK: nop                     # encoding: [0x00,0x00,0x00,0x00]
+# CHECK-LE: lui   $1, 1             # encoding: [0x01,0x00,0x01,0x3c]
+# CHECK-LE: bne   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x14]
+# CHECK-LE: nop                     # encoding: [0x00,0x00,0x00,0x00]
 
 # Test BEQ with an immediate as the 2nd operand.
   beq $2, 0, 1332
-# CHECK: beqz  $2, 1332          # encoding: [0x4d,0x01,0x40,0x10]
-# CHECK: nop                     # encoding: [0x00,0x00,0x00,0x00]
+# CHECK-LE: beqz  $2, 1332          # encoding: [0x4d,0x01,0x40,0x10]
+# CHECK-LE: nop                     # encoding: [0x00,0x00,0x00,0x00]
 
   beq $2, 123, 1332
-# CHECK: ori   $1, $zero, 123    # encoding: [0x7b,0x00,0x01,0x34]
-# CHECK: beq   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x10]
-# CHECK: nop                     # encoding: [0x00,0x00,0x00,0x00]
+# CHECK-LE: ori   $1, $zero, 123    # encoding: [0x7b,0x00,0x01,0x34]
+# CHECK-LE: beq   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x10]
+# CHECK-LE: nop                     # encoding: [0x00,0x00,0x00,0x00]
 
   beq $2, -2345, 1332
-# CHECK: addiu $1, $zero, -2345  # encoding: [0xd7,0xf6,0x01,0x24]
-# CHECK: beq   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x10]
-# CHECK: nop                     # encoding: [0x00,0x00,0x00,0x00]
+# CHECK-LE: addiu $1, $zero, -2345  # encoding: [0xd7,0xf6,0x01,0x24]
+# CHECK-LE: beq   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x10]
+# CHECK-LE: nop                     # encoding: [0x00,0x00,0x00,0x00]
 
   beq $2, 65538, 1332
-# CHECK: lui   $1, 1             # encoding: [0x01,0x00,0x01,0x3c]
-# CHECK: ori   $1, $1, 2         # encoding: [0x02,0x00,0x21,0x34]
-# CHECK: beq   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x10]
-# CHECK: nop                     # encoding: [0x00,0x00,0x00,0x00]
+# CHECK-LE: lui   $1, 1             # encoding: [0x01,0x00,0x01,0x3c]
+# CHECK-LE: ori   $1, $1, 2         # encoding: [0x02,0x00,0x21,0x34]
+# CHECK-LE: beq   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x10]
+# CHECK-LE: nop                     # encoding: [0x00,0x00,0x00,0x00]
 
   beq $2, ~7, 1332
-# CHECK: addiu $1, $zero, -8     # encoding: [0xf8,0xff,0x01,0x24]
-# CHECK: beq   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x10]
-# CHECK: nop                     # encoding: [0x00,0x00,0x00,0x00]
+# CHECK-LE: addiu $1, $zero, -8     # encoding: [0xf8,0xff,0x01,0x24]
+# CHECK-LE: beq   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x10]
+# CHECK-LE: nop                     # encoding: [0x00,0x00,0x00,0x00]
 
   beq $2, 0x10000, 1332
-# CHECK: lui   $1, 1             # encoding: [0x01,0x00,0x01,0x3c]
-# CHECK: beq   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x10]
-# CHECK: nop                     # encoding: [0x00,0x00,0x00,0x00]
+# CHECK-LE: lui   $1, 1             # encoding: [0x01,0x00,0x01,0x3c]
+# CHECK-LE: beq   $2, $1, 1332      # encoding: [0x4d,0x01,0x41,0x10]
+# CHECK-LE: nop                     # encoding: [0x00,0x00,0x00,0x00]
+
+# Test ULHU with immediate operand.
+  ulhu $8, 0
+# CHECK-BE: lbu  $1, 0($zero)      # encoding: [0x90,0x01,0x00,0x00]
+# CHECK-BE: lbu  $8, 1($zero)      # encoding: [0x90,0x08,0x00,0x01]
+# CHECK-BE: sll  $1, $1, 8         # encoding: [0x00,0x01,0x0a,0x00]
+# CHECK-BE: or   $8, $8, $1        # encoding: [0x01,0x01,0x40,0x25]
+# CHECK-LE: lbu  $1, 1($zero)      # encoding: [0x01,0x00,0x01,0x90]
+# CHECK-LE: lbu  $8, 0($zero)      # encoding: [0x00,0x00,0x08,0x90]
+# CHECK-LE: sll  $1, $1, 8         # encoding: [0x00,0x0a,0x01,0x00]
+# CHECK-LE: or   $8, $8, $1        # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, 2
+# CHECK-BE: lbu  $1, 2($zero)      # encoding: [0x90,0x01,0x00,0x02]
+# CHECK-BE: lbu  $8, 3($zero)      # encoding: [0x90,0x08,0x00,0x03]
+# CHECK-BE: sll  $1, $1, 8         # encoding: [0x00,0x01,0x0a,0x00]
+# CHECK-BE: or   $8, $8, $1        # encoding: [0x01,0x01,0x40,0x25]
+# CHECK-LE: lbu  $1, 3($zero)      # encoding: [0x03,0x00,0x01,0x90]
+# CHECK-LE: lbu  $8, 2($zero)      # encoding: [0x02,0x00,0x08,0x90]
+# CHECK-LE: sll  $1, $1, 8         # encoding: [0x00,0x0a,0x01,0x00]
+# CHECK-LE: or   $8, $8, $1        # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, 0x8000
+# CHECK-BE: ori  $1, $zero, 32768  # encoding: [0x34,0x01,0x80,0x00]
+# CHECK-BE: lbu  $8, 0($1)         # encoding: [0x90,0x28,0x00,0x00]
+# CHECK-BE: lbu  $1, 1($1)         # encoding: [0x90,0x21,0x00,0x01]
+# CHECK-BE: sll  $8, $8, 8         # encoding: [0x00,0x08,0x42,0x00]
+# CHECK-BE: or   $8, $8, $1        # encoding: [0x01,0x01,0x40,0x25]
+# CHECK-LE: ori  $1, $zero, 32768  # encoding: [0x00,0x80,0x01,0x34]
+# CHECK-LE: lbu  $8, 1($1)         # encoding: [0x01,0x00,0x28,0x90]
+# CHECK-LE: lbu  $1, 0($1)         # encoding: [0x00,0x00,0x21,0x90]
+# CHECK-LE: sll  $8, $8, 8         # encoding: [0x00,0x42,0x08,0x00]
+# CHECK-LE: or   $8, $8, $1        # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, -0x8000
+# CHECK-BE: lbu  $1, -32768($zero) # encoding: [0x90,0x01,0x80,0x00]
+# CHECK-BE: lbu  $8, -32767($zero) # encoding: [0x90,0x08,0x80,0x01]
+# CHECK-BE: sll  $1, $1, 8         # encoding: [0x00,0x01,0x0a,0x00]
+# CHECK-BE: or   $8, $8, $1        # encoding: [0x01,0x01,0x40,0x25]
+# CHECK-LE: lbu  $1, -32767($zero) # encoding: [0x01,0x80,0x01,0x90]
+# CHECK-LE: lbu  $8, -32768($zero) # encoding: [0x00,0x80,0x08,0x90]
+# CHECK-LE: sll  $1, $1, 8         # encoding: [0x00,0x0a,0x01,0x00]
+# CHECK-LE: or   $8, $8, $1        # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, 0x10000
+# CHECK-BE: lui  $1, 1             # encoding: [0x3c,0x01,0x00,0x01]
+# CHECK-BE: lbu  $8, 0($1)         # encoding: [0x90,0x28,0x00,0x00]
+# CHECK-BE: lbu  $1, 1($1)         # encoding: [0x90,0x21,0x00,0x01]
+# CHECK-BE: sll  $8, $8, 8         # encoding: [0x00,0x08,0x42,0x00]
+# CHECK-BE: or   $8, $8, $1        # encoding: [0x01,0x01,0x40,0x25]
+# CHECK-LE: lui  $1, 1             # encoding: [0x01,0x00,0x01,0x3c]
+# CHECK-LE: lbu  $8, 1($1)         # encoding: [0x01,0x00,0x28,0x90]
+# CHECK-LE: lbu  $1, 0($1)         # encoding: [0x00,0x00,0x21,0x90]
+# CHECK-LE: sll  $8, $8, 8         # encoding: [0x00,0x42,0x08,0x00]
+# CHECK-LE: or   $8, $8, $1        # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, 0x18888
+# CHECK-BE: lui  $1, 1             # encoding: [0x3c,0x01,0x00,0x01]
+# CHECK-BE: ori  $1, $1, 34952     # encoding: [0x34,0x21,0x88,0x88]
+# CHECK-BE: lbu  $8, 0($1)         # encoding: [0x90,0x28,0x00,0x00]
+# CHECK-BE: lbu  $1, 1($1)         # encoding: [0x90,0x21,0x00,0x01]
+# CHECK-BE: sll  $8, $8, 8         # encoding: [0x00,0x08,0x42,0x00]
+# CHECK-BE: or   $8, $8, $1        # encoding: [0x01,0x01,0x40,0x25]
+# CHECK-LE: lui  $1, 1             # encoding: [0x01,0x00,0x01,0x3c]
+# CHECK-LE: ori  $1, $1, 34952     # encoding: [0x88,0x88,0x21,0x34]
+# CHECK-LE: lbu  $8, 1($1)         # encoding: [0x01,0x00,0x28,0x90]
+# CHECK-LE: lbu  $1, 0($1)         # encoding: [0x00,0x00,0x21,0x90]
+# CHECK-LE: sll  $8, $8, 8         # encoding: [0x00,0x42,0x08,0x00]
+# CHECK-LE: or   $8, $8, $1        # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, -32769
+# CHECK-BE: lui  $1, 65535         # encoding: [0x3c,0x01,0xff,0xff]
+# CHECK-BE: ori  $1, $1, 32767     # encoding: [0x34,0x21,0x7f,0xff]
+# CHECK-BE: lbu  $8, 0($1)         # encoding: [0x90,0x28,0x00,0x00]
+# CHECK-BE: lbu  $1, 1($1)         # encoding: [0x90,0x21,0x00,0x01]
+# CHECK-BE: sll  $8, $8, 8         # encoding: [0x00,0x08,0x42,0x00]
+# CHECK-BE: or   $8, $8, $1        # encoding: [0x01,0x01,0x40,0x25]
+# CHECK-LE: lui  $1, 65535         # encoding: [0xff,0xff,0x01,0x3c]
+# CHECK-LE: ori  $1, $1, 32767     # encoding: [0xff,0x7f,0x21,0x34]
+# CHECK-LE: lbu  $8, 1($1)         # encoding: [0x01,0x00,0x28,0x90]
+# CHECK-LE: lbu  $1, 0($1)         # encoding: [0x00,0x00,0x21,0x90]
+# CHECK-LE: sll  $8, $8, 8         # encoding: [0x00,0x42,0x08,0x00]
+# CHECK-LE: or   $8, $8, $1        # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, 32767
+# CHECK-BE: ori  $1, $zero, 32767  # encoding: [0x34,0x01,0x7f,0xff]
+# CHECK-BE: lbu  $8, 0($1)         # encoding: [0x90,0x28,0x00,0x00]
+# CHECK-BE: lbu  $1, 1($1)         # encoding: [0x90,0x21,0x00,0x01]
+# CHECK-BE: sll  $8, $8, 8         # encoding: [0x00,0x08,0x42,0x00]
+# CHECK-BE: or   $8, $8, $1        # encoding: [0x01,0x01,0x40,0x25]
+# CHECK-LE: ori  $1, $zero, 32767  # encoding: [0xff,0x7f,0x01,0x34]
+# CHECK-LE: lbu  $8, 1($1)         # encoding: [0x01,0x00,0x28,0x90]
+# CHECK-LE: lbu  $1, 0($1)         # encoding: [0x00,0x00,0x21,0x90]
+# CHECK-LE: sll  $8, $8, 8         # encoding: [0x00,0x42,0x08,0x00]
+# CHECK-LE: or   $8, $8, $1        # encoding: [0x25,0x40,0x01,0x01]
+
+# Test ULHU with immediate offset and a source register operand.
+  ulhu $8, 0($9)
+# CHECK-BE: lbu  $1, 0($9)         # encoding: [0x91,0x21,0x00,0x00]
+# CHECK-BE: lbu  $8, 1($9)         # encoding: [0x91,0x28,0x00,0x01]
+# CHECK-BE: sll  $1, $1, 8         # encoding: [0x00,0x01,0x0a,0x00]
+# CHECK-BE: or   $8, $8, $1        # encoding: [0x01,0x01,0x40,0x25]
+# CHECK-LE: lbu  $1, 1($9)         # encoding: [0x01,0x00,0x21,0x91]
+# CHECK-LE: lbu  $8, 0($9)         # encoding: [0x00,0x00,0x28,0x91]
+# CHECK-LE: sll  $1, $1, 8         # encoding: [0x00,0x0a,0x01,0x00]
+# CHECK-LE: or   $8, $8, $1        # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, 2($9)
+# CHECK-BE: lbu  $1, 2($9)         # encoding: [0x91,0x21,0x00,0x02]
+# CHECK-BE: lbu  $8, 3($9)         # encoding: [0x91,0x28,0x00,0x03]
+# CHECK-BE: sll  $1, $1, 8         # encoding: [0x00,0x01,0x0a,0x00]
+# CHECK-BE: or   $8, $8, $1        # encoding: [0x01,0x01,0x40,0x25]
+# CHECK-LE: lbu  $1, 3($9)         # encoding: [0x03,0x00,0x21,0x91]
+# CHECK-LE: lbu  $8, 2($9)         # encoding: [0x02,0x00,0x28,0x91]
+# CHECK-LE: sll  $1, $1, 8         # encoding: [0x00,0x0a,0x01,0x00]
+# CHECK-LE: or   $8, $8, $1        # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, 0x8000($9)
+# CHECK-BE: ori  $1, $zero, 32768  # encoding: [0x34,0x01,0x80,0x00]
+# CHECK-BE: addu $1, $1, $9        # encoding: [0x00,0x29,0x08,0x21]
+# CHECK-BE: lbu  $8, 0($1)         # encoding: [0x90,0x28,0x00,0x00]
+# CHECK-BE: lbu  $1, 1($1)         # encoding: [0x90,0x21,0x00,0x01]
+# CHECK-BE: sll  $8, $8, 8         # encoding: [0x00,0x08,0x42,0x00]
+# CHECK-BE: or   $8, $8, $1        # encoding: [0x01,0x01,0x40,0x25]
+# CHECK-LE: ori  $1, $zero, 32768  # encoding: [0x00,0x80,0x01,0x34]
+# CHECK-LE: addu $1, $1, $9        # encoding: [0x21,0x08,0x29,0x00]
+# CHECK-LE: lbu  $8, 1($1)         # encoding: [0x01,0x00,0x28,0x90]
+# CHECK-LE: lbu  $1, 0($1)         # encoding: [0x00,0x00,0x21,0x90]
+# CHECK-LE: sll  $8, $8, 8         # encoding: [0x00,0x42,0x08,0x00]
+# CHECK-LE: or   $8, $8, $1        # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, -0x8000($9)
+# CHECK-BE: lbu  $1, -32768($9)    # encoding: [0x91,0x21,0x80,0x00]
+# CHECK-BE: lbu  $8, -32767($9)    # encoding: [0x91,0x28,0x80,0x01]
+# CHECK-BE: sll  $1, $1, 8         # encoding: [0x00,0x01,0x0a,0x00]
+# CHECK-BE: or   $8, $8, $1        # encoding: [0x01,0x01,0x40,0x25]
+# CHECK-LE: lbu  $1, -32767($9)    # encoding: [0x01,0x80,0x21,0x91]
+# CHECK-LE: lbu  $8, -32768($9)    # encoding: [0x00,0x80,0x28,0x91]
+# CHECK-LE: sll  $1, $1, 8         # encoding: [0x00,0x0a,0x01,0x00]
+# CHECK-LE: or   $8, $8, $1        # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, 0x10000($9)
+# CHECK-BE: lui  $1, 1             # encoding: [0x3c,0x01,0x00,0x01]
+# CHECK-BE: addu $1, $1, $9        # encoding: [0x00,0x29,0x08,0x21]
+# CHECK-BE: lbu  $8, 0($1)         # encoding: [0x90,0x28,0x00,0x00]
+# CHECK-BE: lbu  $1, 1($1)         # encoding: [0x90,0x21,0x00,0x01]
+# CHECK-BE: sll  $8, $8, 8         # encoding: [0x00,0x08,0x42,0x00]
+# CHECK-BE: or   $8, $8, $1        # encoding: [0x01,0x01,0x40,0x25]
+# CHECK-LE: lui  $1, 1             # encoding: [0x01,0x00,0x01,0x3c]
+# CHECK-LE: addu $1, $1, $9        # encoding: [0x21,0x08,0x29,0x00]
+# CHECK-LE: lbu  $8, 1($1)         # encoding: [0x01,0x00,0x28,0x90]
+# CHECK-LE: lbu  $1, 0($1)         # encoding: [0x00,0x00,0x21,0x90]
+# CHECK-LE: sll  $8, $8, 8         # encoding: [0x00,0x42,0x08,0x00]
+# CHECK-LE: or   $8, $8, $1        # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, 0x18888($9)
+# CHECK-BE: lui  $1, 1             # encoding: [0x3c,0x01,0x00,0x01]
+# CHECK-BE: ori  $1, $1, 34952     # encoding: [0x34,0x21,0x88,0x88]
+# CHECK-BE: addu $1, $1, $9        # encoding: [0x00,0x29,0x08,0x21]
+# CHECK-BE: lbu  $8, 0($1)         # encoding: [0x90,0x28,0x00,0x00]
+# CHECK-BE: lbu  $1, 1($1)         # encoding: [0x90,0x21,0x00,0x01]
+# CHECK-BE: sll  $8, $8, 8         # encoding: [0x00,0x08,0x42,0x00]
+# CHECK-BE: or   $8, $8, $1        # encoding: [0x01,0x01,0x40,0x25]
+# CHECK-LE: lui  $1, 1             # encoding: [0x01,0x00,0x01,0x3c]
+# CHECK-LE: ori  $1, $1, 34952     # encoding: [0x88,0x88,0x21,0x34]
+# CHECK-LE: addu $1, $1, $9        # encoding: [0x21,0x08,0x29,0x00]
+# CHECK-LE: lbu  $8, 1($1)         # encoding: [0x01,0x00,0x28,0x90]
+# CHECK-LE: lbu  $1, 0($1)         # encoding: [0x00,0x00,0x21,0x90]
+# CHECK-LE: sll  $8, $8, 8         # encoding: [0x00,0x42,0x08,0x00]
+# CHECK-LE: or   $8, $8, $1        # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, -32769($9)
+# CHECK-BE: lui  $1, 65535         # encoding: [0x3c,0x01,0xff,0xff]
+# CHECK-BE: ori  $1, $1, 32767     # encoding: [0x34,0x21,0x7f,0xff]
+# CHECK-BE: addu $1, $1, $9        # encoding: [0x00,0x29,0x08,0x21]
+# CHECK-BE: lbu  $8, 0($1)         # encoding: [0x90,0x28,0x00,0x00]
+# CHECK-BE: lbu  $1, 1($1)         # encoding: [0x90,0x21,0x00,0x01]
+# CHECK-BE: sll  $8, $8, 8         # encoding: [0x00,0x08,0x42,0x00]
+# CHECK-BE: or   $8, $8, $1        # encoding: [0x01,0x01,0x40,0x25]
+# CHECK-LE: lui  $1, 65535         # encoding: [0xff,0xff,0x01,0x3c]
+# CHECK-LE: ori  $1, $1, 32767     # encoding: [0xff,0x7f,0x21,0x34]
+# CHECK-LE: addu $1, $1, $9        # encoding: [0x21,0x08,0x29,0x00]
+# CHECK-LE: lbu  $8, 1($1)         # encoding: [0x01,0x00,0x28,0x90]
+# CHECK-LE: lbu  $1, 0($1)         # encoding: [0x00,0x00,0x21,0x90]
+# CHECK-LE: sll  $8, $8, 8         # encoding: [0x00,0x42,0x08,0x00]
+# CHECK-LE: or   $8, $8, $1        # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, 32767($9)
+# CHECK-BE: ori  $1, $zero, 32767  # encoding: [0x34,0x01,0x7f,0xff]
+# CHECK-BE: addu $1, $1, $9        # encoding: [0x00,0x29,0x08,0x21]
+# CHECK-BE: lbu  $8, 0($1)         # encoding: [0x90,0x28,0x00,0x00]
+# CHECK-BE: lbu  $1, 1($1)         # encoding: [0x90,0x21,0x00,0x01]
+# CHECK-BE: sll  $8, $8, 8         # encoding: [0x00,0x08,0x42,0x00]
+# CHECK-BE: or   $8, $8, $1        # encoding: [0x01,0x01,0x40,0x25]
+# CHECK-LE: ori  $1, $zero, 32767  # encoding: [0xff,0x7f,0x01,0x34]
+# CHECK-LE: addu $1, $1, $9        # encoding: [0x21,0x08,0x29,0x00]
+# CHECK-LE: lbu  $8, 1($1)         # encoding: [0x01,0x00,0x28,0x90]
+# CHECK-LE: lbu  $1, 0($1)         # encoding: [0x00,0x00,0x21,0x90]
+# CHECK-LE: sll  $8, $8, 8         # encoding: [0x00,0x42,0x08,0x00]
+# CHECK-LE: or   $8, $8, $1        # encoding: [0x25,0x40,0x01,0x01]
 
 1:
   add $4, $4, $4

Modified: llvm/trunk/test/MC/Mips/mips64-expansions.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Mips/mips64-expansions.s?rev=240410&r1=240409&r2=240410&view=diff
==============================================================================
--- llvm/trunk/test/MC/Mips/mips64-expansions.s (original)
+++ llvm/trunk/test/MC/Mips/mips64-expansions.s Tue Jun 23 09:39:42 2015
@@ -271,3 +271,101 @@
 # CHECK: ori  $1, $1, 65535         # encoding: [0xff,0xff,0x21,0x34]
 # CHECK: beq  $2, $1, 1332          # encoding: [0x4d,0x01,0x41,0x10]
 # CHECK: nop                        # encoding: [0x00,0x00,0x00,0x00]
+
+# Test ulhu with 64-bit immediate addresses.
+  ulhu $8, 0x100010001
+# CHECK: lui  $1, 1            # encoding: [0x01,0x00,0x01,0x3c]
+# CHECK: ori  $1, $1, 1        # encoding: [0x01,0x00,0x21,0x34]
+# CHECK: dsll $1, $1, 16       # encoding: [0x38,0x0c,0x01,0x00]
+# CHECK: ori  $1, $1, 1        # encoding: [0x01,0x00,0x21,0x34]
+# CHECK: lbu  $8, 1($1)        # encoding: [0x01,0x00,0x28,0x90]
+# CHECK: lbu  $1, 0($1)        # encoding: [0x00,0x00,0x21,0x90]
+# CHECK: sll  $8, $8, 8        # encoding: [0x00,0x42,0x08,0x00]
+# CHECK: or   $8, $8, $1       # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, 0x1000100010001
+# CHECK: lui  $1, 1            # encoding: [0x01,0x00,0x01,0x3c]
+# CHECK: ori  $1, $1, 1        # encoding: [0x01,0x00,0x21,0x34]
+# CHECK: dsll $1, $1, 16       # encoding: [0x38,0x0c,0x01,0x00]
+# CHECK: ori  $1, $1, 1        # encoding: [0x01,0x00,0x21,0x34]
+# CHECK: dsll $1, $1, 16       # encoding: [0x38,0x0c,0x01,0x00]
+# CHECK: ori  $1, $1, 1        # encoding: [0x01,0x00,0x21,0x34]
+# CHECK: lbu  $8, 1($1)        # encoding: [0x01,0x00,0x28,0x90]
+# CHECK: lbu  $1, 0($1)        # encoding: [0x00,0x00,0x21,0x90]
+# CHECK: sll  $8, $8, 8        # encoding: [0x00,0x42,0x08,0x00]
+# CHECK: or   $8, $8, $1       # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, -0x100010001
+# CHECK: lui  $1, 65535        # encoding: [0xff,0xff,0x01,0x3c]
+# CHECK: ori  $1, $1, 65534    # encoding: [0xfe,0xff,0x21,0x34]
+# CHECK: dsll $1, $1, 16       # encoding: [0x38,0x0c,0x01,0x00]
+# CHECK: ori  $1, $1, 65534    # encoding: [0xfe,0xff,0x21,0x34]
+# CHECK: dsll $1, $1, 16       # encoding: [0x38,0x0c,0x01,0x00]
+# CHECK: ori  $1, $1, 65535    # encoding: [0xff,0xff,0x21,0x34]
+# CHECK: lbu  $8, 1($1)        # encoding: [0x01,0x00,0x28,0x90]
+# CHECK: lbu  $1, 0($1)        # encoding: [0x00,0x00,0x21,0x90]
+# CHECK: sll  $8, $8, 8        # encoding: [0x00,0x42,0x08,0x00]
+# CHECK: or   $8, $8, $1       # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, -0x1000100010001
+# CHECK: lui  $1, 65534        # encoding: [0xfe,0xff,0x01,0x3c]
+# CHECK: ori  $1, $1, 65534    # encoding: [0xfe,0xff,0x21,0x34]
+# CHECK: dsll $1, $1, 16       # encoding: [0x38,0x0c,0x01,0x00]
+# CHECK: ori  $1, $1, 65534    # encoding: [0xfe,0xff,0x21,0x34]
+# CHECK: dsll $1, $1, 16       # encoding: [0x38,0x0c,0x01,0x00]
+# CHECK: ori  $1, $1, 65535    # encoding: [0xff,0xff,0x21,0x34]
+# CHECK: lbu  $8, 1($1)        # encoding: [0x01,0x00,0x28,0x90]
+# CHECK: lbu  $1, 0($1)        # encoding: [0x00,0x00,0x21,0x90]
+# CHECK: sll  $8, $8, 8        # encoding: [0x00,0x42,0x08,0x00]
+# CHECK: or   $8, $8, $1       # encoding: [0x25,0x40,0x01,0x01]
+
+# Test ulhu with source register and 64-bit immediate offset.
+  ulhu $8, 0x100010001($9)
+# CHECK: lui   $1, 1           # encoding: [0x01,0x00,0x01,0x3c]
+# CHECK: ori   $1, $1, 1       # encoding: [0x01,0x00,0x21,0x34]
+# CHECK: dsll  $1, $1, 16      # encoding: [0x38,0x0c,0x01,0x00]
+# CHECK: ori   $1, $1, 1       # encoding: [0x01,0x00,0x21,0x34]
+# CHECK: daddu $1, $1, $9      # encoding: [0x2d,0x08,0x29,0x00]
+# CHECK: lbu   $8, 1($1)       # encoding: [0x01,0x00,0x28,0x90]
+# CHECK: lbu   $1, 0($1)       # encoding: [0x00,0x00,0x21,0x90]
+# CHECK: sll   $8, $8, 8       # encoding: [0x00,0x42,0x08,0x00]
+# CHECK: or    $8, $8, $1      # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, 0x1000100010001($9)
+# CHECK: lui   $1, 1           # encoding: [0x01,0x00,0x01,0x3c]
+# CHECK: ori   $1, $1, 1       # encoding: [0x01,0x00,0x21,0x34]
+# CHECK: dsll  $1, $1, 16      # encoding: [0x38,0x0c,0x01,0x00]
+# CHECK: ori   $1, $1, 1       # encoding: [0x01,0x00,0x21,0x34]
+# CHECK: dsll  $1, $1, 16      # encoding: [0x38,0x0c,0x01,0x00]
+# CHECK: ori   $1, $1, 1       # encoding: [0x01,0x00,0x21,0x34]
+# CHECK: daddu $1, $1, $9      # encoding: [0x2d,0x08,0x29,0x00]
+# CHECK: lbu   $8, 1($1)       # encoding: [0x01,0x00,0x28,0x90]
+# CHECK: lbu   $1, 0($1)       # encoding: [0x00,0x00,0x21,0x90]
+# CHECK: sll   $8, $8, 8       # encoding: [0x00,0x42,0x08,0x00]
+# CHECK: or    $8, $8, $1      # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, -0x100010001($9)
+# CHECK: lui   $1, 65535       # encoding: [0xff,0xff,0x01,0x3c]
+# CHECK: ori   $1, $1, 65534   # encoding: [0xfe,0xff,0x21,0x34]
+# CHECK: dsll  $1, $1, 16      # encoding: [0x38,0x0c,0x01,0x00]
+# CHECK: ori   $1, $1, 65534   # encoding: [0xfe,0xff,0x21,0x34]
+# CHECK: dsll  $1, $1, 16      # encoding: [0x38,0x0c,0x01,0x00]
+# CHECK: ori   $1, $1, 65535   # encoding: [0xff,0xff,0x21,0x34]
+# CHECK: daddu $1, $1, $9      # encoding: [0x2d,0x08,0x29,0x00]
+# CHECK: lbu   $8, 1($1)       # encoding: [0x01,0x00,0x28,0x90]
+# CHECK: lbu   $1, 0($1)       # encoding: [0x00,0x00,0x21,0x90]
+# CHECK: sll   $8, $8, 8       # encoding: [0x00,0x42,0x08,0x00]
+# CHECK: or    $8, $8, $1      # encoding: [0x25,0x40,0x01,0x01]
+
+  ulhu $8, -0x1000100010001($9)
+# CHECK: lui   $1, 65534       # encoding: [0xfe,0xff,0x01,0x3c]
+# CHECK: ori   $1, $1, 65534   # encoding: [0xfe,0xff,0x21,0x34]
+# CHECK: dsll  $1, $1, 16      # encoding: [0x38,0x0c,0x01,0x00]
+# CHECK: ori   $1, $1, 65534   # encoding: [0xfe,0xff,0x21,0x34]
+# CHECK: dsll  $1, $1, 16      # encoding: [0x38,0x0c,0x01,0x00]
+# CHECK: ori   $1, $1, 65535   # encoding: [0xff,0xff,0x21,0x34]
+# CHECK: daddu $1, $1, $9      # encoding: [0x2d,0x08,0x29,0x00]
+# CHECK: lbu   $8, 1($1)       # encoding: [0x01,0x00,0x28,0x90]
+# CHECK: lbu   $1, 0($1)       # encoding: [0x00,0x00,0x21,0x90]
+# CHECK: sll   $8, $8, 8       # encoding: [0x00,0x42,0x08,0x00]
+# CHECK: or    $8, $8, $1      # encoding: [0x25,0x40,0x01,0x01]

Modified: llvm/trunk/test/MC/Mips/set-nomacro.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Mips/set-nomacro.s?rev=240410&r1=240409&r2=240410&view=diff
==============================================================================
--- llvm/trunk/test/MC/Mips/set-nomacro.s (original)
+++ llvm/trunk/test/MC/Mips/set-nomacro.s Tue Jun 23 09:39:42 2015
@@ -60,6 +60,8 @@
   bgtu $0, $8, local_label
   bgtu $0, $0, local_label
 
+  ulhu $5, 0
+
   add $4, $5, $6
 
   .set noreorder
@@ -168,5 +170,8 @@
   bgtu $0, $0, local_label
 # CHECK-NOT: [[@LINE-1]]:3: warning: macro instruction expanded into multiple instructions
 
+  ulhu $5, 0
+# CHECK: [[@LINE-1]]:3: warning: macro instruction expanded into multiple instructions
+
   add $4, $5, $6
 # CHECK-NOT: [[@LINE-1]]:3: warning: macro instruction expanded into multiple instructions





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