[llvm] r211271 - [mips] Implementation of dli.

Matheus Almeida matheus.almeida at imgtec.com
Thu Jun 19 08:08:04 PDT 2014


Author: matheusalmeida
Date: Thu Jun 19 10:08:04 2014
New Revision: 211271

URL: http://llvm.org/viewvc/llvm-project?rev=211271&view=rev
Log:
[mips] Implementation of dli.
    
Patch by David Chisnall
His work was sponsored by: DARPA, AFRL
    
Some small modifications to the original patch: we now error if
it's not possible to expand an instruction (mips-expansions-bad.s has some
examples). Added some comments to the expansions.

Added:
    llvm/trunk/test/MC/Mips/mips-expansions-bad.s
    llvm/trunk/test/MC/Mips/mips64-expansions.s
Modified:
    llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
    llvm/trunk/lib/Target/Mips/Mips64InstrInfo.td

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=211271&r1=211270&r2=211271&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp (original)
+++ llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp Thu Jun 19 10:08:04 2014
@@ -984,6 +984,7 @@ bool MipsAsmParser::needsExpansion(MCIns
   case Mips::LoadImm32Reg:
   case Mips::LoadAddr32Imm:
   case Mips::LoadAddr32Reg:
+  case Mips::LoadImm64Reg:
     return true;
   default:
     return false;
@@ -997,6 +998,12 @@ bool MipsAsmParser::expandInstruction(MC
     return true;
   case Mips::LoadImm32Reg:
     return expandLoadImm(Inst, IDLoc, Instructions);
+  case Mips::LoadImm64Reg:
+    if (!isGP64()) {
+      Error(IDLoc, "instruction requires a CPU feature not currently enabled");
+      return true;
+    }
+    return expandLoadImm(Inst, IDLoc, Instructions);
   case Mips::LoadAddr32Imm:
     return expandLoadAddressImm(Inst, IDLoc, Instructions);
   case Mips::LoadAddr32Reg:
@@ -1004,6 +1011,30 @@ bool MipsAsmParser::expandInstruction(MC
   }
 }
 
+namespace {
+template <int Shift, bool PerformShift>
+void createShiftOr(int64_t Value, unsigned RegNo, SMLoc IDLoc,
+                   SmallVectorImpl<MCInst> &Instructions) {
+  MCInst tmpInst;
+  if (PerformShift) {
+    tmpInst.setOpcode(Mips::DSLL);
+    tmpInst.addOperand(MCOperand::CreateReg(RegNo));
+    tmpInst.addOperand(MCOperand::CreateReg(RegNo));
+    tmpInst.addOperand(MCOperand::CreateImm(16));
+    tmpInst.setLoc(IDLoc);
+    Instructions.push_back(tmpInst);
+    tmpInst.clear();
+  }
+  tmpInst.setOpcode(Mips::ORi);
+  tmpInst.addOperand(MCOperand::CreateReg(RegNo));
+  tmpInst.addOperand(MCOperand::CreateReg(RegNo));
+  tmpInst.addOperand(
+      MCOperand::CreateImm(((Value & (0xffffLL << Shift)) >> Shift)));
+  tmpInst.setLoc(IDLoc);
+  Instructions.push_back(tmpInst);
+}
+}
+
 bool MipsAsmParser::expandLoadImm(MCInst &Inst, SMLoc IDLoc,
                                   SmallVectorImpl<MCInst> &Instructions) {
   MCInst tmpInst;
@@ -1012,8 +1043,10 @@ bool MipsAsmParser::expandLoadImm(MCInst
   const MCOperand &RegOp = Inst.getOperand(0);
   assert(RegOp.isReg() && "expected register operand kind");
 
-  int ImmValue = ImmOp.getImm();
+  int64_t ImmValue = ImmOp.getImm();
   tmpInst.setLoc(IDLoc);
+  // FIXME: gas has a special case for values that are 000...1111, which
+  // becomes a li -1 and then a dsrl
   if (0 <= ImmValue && ImmValue <= 65535) {
     // For 0 <= j <= 65535.
     // li d,j => ori d,$zero,j
@@ -1030,21 +1063,71 @@ bool MipsAsmParser::expandLoadImm(MCInst
     tmpInst.addOperand(MCOperand::CreateReg(Mips::ZERO));
     tmpInst.addOperand(MCOperand::CreateImm(ImmValue));
     Instructions.push_back(tmpInst);
-  } else {
-    // For any other value of j that is representable as a 32-bit integer.
+  } else if ((ImmValue & 0xffffffff) == ImmValue) {
+    // For any value of j that is representable as a 32-bit integer, create
+    // a sequence of:
     // li d,j => lui d,hi16(j)
     //           ori d,d,lo16(j)
     tmpInst.setOpcode(Mips::LUi);
     tmpInst.addOperand(MCOperand::CreateReg(RegOp.getReg()));
     tmpInst.addOperand(MCOperand::CreateImm((ImmValue & 0xffff0000) >> 16));
     Instructions.push_back(tmpInst);
-    tmpInst.clear();
-    tmpInst.setOpcode(Mips::ORi);
+    createShiftOr<0, false>(ImmValue, RegOp.getReg(), IDLoc, Instructions);
+  } else if ((ImmValue & (0xffffLL << 48)) == 0) {
+    if (!isGP64()) {
+      Error (IDLoc, "instruction requires a CPU feature not currently enabled");
+      return true;
+    }
+
+    //            <-------  lo32 ------>
+    // <-------  hi32 ------>
+    // <- hi16 ->             <- lo16 ->
+    //  _________________________________
+    // |          |          |          |
+    // | 16-bytes | 16-bytes | 16-bytes |
+    // |__________|__________|__________|
+    //
+    // For any value of j that is representable as a 48-bit integer, create
+    // a sequence of:
+    // li d,j => lui d,hi16(j)
+    //           ori d,d,hi16(lo32(j))
+    //           dsll d,d,16
+    //           ori d,d,lo16(lo32(j))
+    tmpInst.setOpcode(Mips::LUi);
     tmpInst.addOperand(MCOperand::CreateReg(RegOp.getReg()));
+    tmpInst.addOperand(
+        MCOperand::CreateImm((ImmValue & (0xffffLL << 32)) >> 32));
+    Instructions.push_back(tmpInst);
+    createShiftOr<16, false>(ImmValue, RegOp.getReg(), IDLoc, Instructions);
+    createShiftOr<0, true>(ImmValue, RegOp.getReg(), IDLoc, Instructions);
+  } else {
+    if (!isGP64()) {
+      Error (IDLoc, "instruction requires a CPU feature not currently enabled");
+      return true;
+    }
+
+    // <-------  hi32 ------> <-------  lo32 ------>
+    // <- hi16 ->                        <- lo16 ->
+    //  ___________________________________________
+    // |          |          |          |          |
+    // | 16-bytes | 16-bytes | 16-bytes | 16-bytes |
+    // |__________|__________|__________|__________|
+    //
+    // For any value of j that isn't representable as a 48-bit integer.
+    // li d,j => lui d,hi16(j)
+    //           ori d,d,lo16(hi32(j))
+    //           dsll d,d,16
+    //           ori d,d,hi16(lo32(j))
+    //           dsll d,d,16
+    //           ori d,d,lo16(lo32(j))
+    tmpInst.setOpcode(Mips::LUi);
     tmpInst.addOperand(MCOperand::CreateReg(RegOp.getReg()));
-    tmpInst.addOperand(MCOperand::CreateImm(ImmValue & 0xffff));
-    tmpInst.setLoc(IDLoc);
+    tmpInst.addOperand(
+        MCOperand::CreateImm((ImmValue & (0xffffLL << 48)) >> 48));
     Instructions.push_back(tmpInst);
+    createShiftOr<32, false>(ImmValue, RegOp.getReg(), IDLoc, Instructions);
+    createShiftOr<16, true>(ImmValue, RegOp.getReg(), IDLoc, Instructions);
+    createShiftOr<0, true>(ImmValue, RegOp.getReg(), IDLoc, Instructions);
   }
   return false;
 }

Modified: llvm/trunk/lib/Target/Mips/Mips64InstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/Mips64InstrInfo.td?rev=211271&r1=211270&r2=211271&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/Mips64InstrInfo.td (original)
+++ llvm/trunk/lib/Target/Mips/Mips64InstrInfo.td Thu Jun 19 10:08:04 2014
@@ -23,6 +23,8 @@ def uimm16_64      : Operand<i64> {
 // Signed Operand
 def simm10_64 : Operand<i64>;
 
+def imm64: Operand<i64>;
+
 // Transformation Function - get Imm - 32.
 def Subtract32 : SDNodeXForm<imm, [{
   return getImm(N, (unsigned)N->getZExtValue() - 32);
@@ -486,6 +488,11 @@ def : MipsInstAlias<"dsrl $rd, $rt, $rs"
                     (DSRLV GPR64Opnd:$rd, GPR64Opnd:$rt, GPR32Opnd:$rs), 0>,
                     ISA_MIPS3;
 
+class LoadImm64< string instr_asm, Operand Od, RegisterOperand RO> :
+  MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm64),
+                     !strconcat(instr_asm, "\t$rt, $imm64")> ;
+def LoadImm64Reg : LoadImm64<"dli", imm64, GPR64Opnd>;
+
 /// Move between CPU and coprocessor registers
 let DecoderNamespace = "Mips64", Predicates = [HasMips64] in {
 def DMFC0 : MFC3OP<"dmfc0", GPR64Opnd>, MFC3OP_FM<0x10, 1>;

Added: 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=211271&view=auto
==============================================================================
--- llvm/trunk/test/MC/Mips/mips-expansions-bad.s (added)
+++ llvm/trunk/test/MC/Mips/mips-expansions-bad.s Thu Jun 19 10:08:04 2014
@@ -0,0 +1,6 @@
+# RUN: not llvm-mc %s -arch=mips -mcpu=mips32r2 2>%t1
+# RUN: FileCheck %s < %t1
+
+        .text
+        li $5, 0x100000000 # CHECK: :[[@LINE]]:9: error: instruction requires a CPU feature not currently enabled
+        dli $5, 1 # CHECK: :[[@LINE]]:9: error: instruction requires a CPU feature not currently enabled

Added: llvm/trunk/test/MC/Mips/mips64-expansions.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Mips/mips64-expansions.s?rev=211271&view=auto
==============================================================================
--- llvm/trunk/test/MC/Mips/mips64-expansions.s (added)
+++ llvm/trunk/test/MC/Mips/mips64-expansions.s Thu Jun 19 10:08:04 2014
@@ -0,0 +1,209 @@
+# RUN: llvm-mc %s -triple=mips64el-unknown-linux -show-encoding -mcpu=mips64r2 | FileCheck %s
+#
+# The GNU assembler implements 'dli' and 'dla' variants on 'li' and 'la'
+# supporting double-word lengths.  Test that not only are they present, bu
+# that they also seem to handle 64-bit values.
+#
+# XXXRW: Does using powers of ten make me a bad person?
+#
+# CHECK: ori	$12, $zero, 1           # encoding: [0x01,0x00,0x0c,0x34]
+# CHECK: ori	$12, $zero, 10          # encoding: [0x0a,0x00,0x0c,0x34]
+# CHECK: ori	$12, $zero, 100         # encoding: [0x64,0x00,0x0c,0x34]
+# CHECK: ori	$12, $zero, 1000        # encoding: [0xe8,0x03,0x0c,0x34]
+# CHECK: ori	$12, $zero, 10000       # encoding: [0x10,0x27,0x0c,0x34]
+# CHECK: lui	$12, 1                  # encoding: [0x01,0x00,0x0c,0x3c]
+# CHECK: ori	$12, $12, 34464         # encoding: [0xa0,0x86,0x8c,0x35]
+# CHECK: lui	$12, 15                 # encoding: [0x0f,0x00,0x0c,0x3c]
+# CHECK: ori	$12, $12, 16960         # encoding: [0x40,0x42,0x8c,0x35]
+# CHECK: lui	$12, 152                # encoding: [0x98,0x00,0x0c,0x3c]
+# CHECK: ori	$12, $12, 38528         # encoding: [0x80,0x96,0x8c,0x35]
+# CHECK: lui	$12, 1525               # encoding: [0xf5,0x05,0x0c,0x3c]
+# CHECK: ori	$12, $12, 57600         # encoding: [0x00,0xe1,0x8c,0x35]
+# CHECK: lui	$12, 15258              # encoding: [0x9a,0x3b,0x0c,0x3c]
+# CHECK: ori	$12, $12, 51712         # encoding: [0x00,0xca,0x8c,0x35]
+# CHECK: lui	$12, 2                  # encoding: [0x02,0x00,0x0c,0x3c]
+# CHECK: ori	$12, $12, 21515         # encoding: [0x0b,0x54,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 58368         # encoding: [0x00,0xe4,0x8c,0x35]
+# CHECK: lui	$12, 23                 # encoding: [0x17,0x00,0x0c,0x3c]
+# CHECK: ori	$12, $12, 18550         # encoding: [0x76,0x48,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 59392         # encoding: [0x00,0xe8,0x8c,0x35]
+# CHECK: lui	$12, 232                # encoding: [0xe8,0x00,0x0c,0x3c]
+# CHECK: ori	$12, $12, 54437         # encoding: [0xa5,0xd4,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 4096          # encoding: [0x00,0x10,0x8c,0x35]
+# CHECK: lui	$12, 2328               # encoding: [0x18,0x09,0x0c,0x3c]
+# CHECK: ori	$12, $12, 20082         # encoding: [0x72,0x4e,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 40960         # encoding: [0x00,0xa0,0x8c,0x35]
+# CHECK: lui	$12, 23283              # encoding: [0xf3,0x5a,0x0c,0x3c]
+# CHECK: ori	$12, $12, 4218          # encoding: [0x7a,0x10,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 16384         # encoding: [0x00,0x40,0x8c,0x35]
+# CHECK: lui	$12, 3                  # encoding: [0x03,0x00,0x0c,0x3c]
+# CHECK: ori	$12, $12, 36222         # encoding: [0x7e,0x8d,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 42182         # encoding: [0xc6,0xa4,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 32768         # encoding: [0x00,0x80,0x8c,0x35]
+# CHECK: lui	$12, 35                 # encoding: [0x23,0x00,0x0c,0x3c]
+# CHECK: ori	$12, $12, 34546         # encoding: [0xf2,0x86,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 28609         # encoding: [0xc1,0x6f,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 0             # encoding: [0x00,0x00,0x8c,0x35]
+# CHECK: lui	$12, 355                # encoding: [0x63,0x01,0x0c,0x3c]
+# CHECK: ori	$12, $12, 17784         # encoding: [0x78,0x45,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 23946         # encoding: [0x8a,0x5d,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 0             # encoding: [0x00,0x00,0x8c,0x35]
+# CHECK: lui	$12, 3552               # encoding: [0xe0,0x0d,0x0c,0x3c]
+# CHECK: ori	$12, $12, 46771         # encoding: [0xb3,0xb6,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 42852         # encoding: [0x64,0xa7,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 0             # encoding: [0x00,0x00,0x8c,0x35]
+# CHECK: lui	$12, 35527              # encoding: [0xc7,0x8a,0x0c,0x3c]
+# CHECK: ori	$12, $12, 8964          # encoding: [0x04,0x23,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 35304         # encoding: [0xe8,0x89,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 0             # encoding: [0x00,0x00,0x8c,0x35]
+# CHECK: addiu	$12, $zero, -1          # encoding: [0xff,0xff,0x0c,0x24]
+# CHECK: addiu	$12, $zero, -10         # encoding: [0xf6,0xff,0x0c,0x24]
+# CHECK: addiu	$12, $zero, -100        # encoding: [0x9c,0xff,0x0c,0x24]
+# CHECK: addiu	$12, $zero, -1000       # encoding: [0x18,0xfc,0x0c,0x24]
+# CHECK: addiu	$12, $zero, -10000      # encoding: [0xf0,0xd8,0x0c,0x24]
+# CHECK: lui	$12, 65535              # encoding: [0xff,0xff,0x0c,0x3c]
+# CHECK: ori	$12, $12, 65535         # encoding: [0xff,0xff,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 65534         # encoding: [0xfe,0xff,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 31072         # encoding: [0x60,0x79,0x8c,0x35]
+# CHECK: lui	$12, 65535              # encoding: [0xff,0xff,0x0c,0x3c]
+# CHECK: ori	$12, $12, 65535         # encoding: [0xff,0xff,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 65520         # encoding: [0xf0,0xff,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 48576         # encoding: [0xc0,0xbd,0x8c,0x35]
+# CHECK: lui	$12, 65535              # encoding: [0xff,0xff,0x0c,0x3c]
+# CHECK: ori	$12, $12, 65535         # encoding: [0xff,0xff,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 65383         # encoding: [0x67,0xff,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 27008         # encoding: [0x80,0x69,0x8c,0x35]
+# CHECK: lui	$12, 65535              # encoding: [0xff,0xff,0x0c,0x3c]
+# CHECK: ori	$12, $12, 65535         # encoding: [0xff,0xff,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 64010         # encoding: [0x0a,0xfa,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 7936          # encoding: [0x00,0x1f,0x8c,0x35]
+# CHECK: lui	$12, 65535              # encoding: [0xff,0xff,0x0c,0x3c]
+# CHECK: ori	$12, $12, 65535         # encoding: [0xff,0xff,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 50277         # encoding: [0x65,0xc4,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 13824         # encoding: [0x00,0x36,0x8c,0x35]
+# CHECK: lui	$12, 65535              # encoding: [0xff,0xff,0x0c,0x3c]
+# CHECK: ori	$12, $12, 65533         # encoding: [0xfd,0xff,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 44020         # encoding: [0xf4,0xab,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 7168          # encoding: [0x00,0x1c,0x8c,0x35]
+# CHECK: lui	$12, 65535              # encoding: [0xff,0xff,0x0c,0x3c]
+# CHECK: ori	$12, $12, 65512         # encoding: [0xe8,0xff,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 46985         # encoding: [0x89,0xb7,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 6144          # encoding: [0x00,0x18,0x8c,0x35]
+# CHECK: lui	$12, 65535              # encoding: [0xff,0xff,0x0c,0x3c]
+# CHECK: ori	$12, $12, 65303         # encoding: [0x17,0xff,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 11098         # encoding: [0x5a,0x2b,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 61440         # encoding: [0x00,0xf0,0x8c,0x35]
+# CHECK: lui	$12, 65535              # encoding: [0xff,0xff,0x0c,0x3c]
+# CHECK: ori	$12, $12, 63207         # encoding: [0xe7,0xf6,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 45453         # encoding: [0x8d,0xb1,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 24576         # encoding: [0x00,0x60,0x8c,0x35]
+# CHECK: lui	$12, 65535              # encoding: [0xff,0xff,0x0c,0x3c]
+# CHECK: ori	$12, $12, 42252         # encoding: [0x0c,0xa5,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 61317         # encoding: [0x85,0xef,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 49152         # encoding: [0x00,0xc0,0x8c,0x35]
+# CHECK: lui	$12, 65532              # encoding: [0xfc,0xff,0x0c,0x3c]
+# CHECK: ori	$12, $12, 29313         # encoding: [0x81,0x72,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 23353         # encoding: [0x39,0x5b,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 32768         # encoding: [0x00,0x80,0x8c,0x35]
+# CHECK: lui	$12, 65500              # encoding: [0xdc,0xff,0x0c,0x3c]
+# CHECK: ori	$12, $12, 30989         # encoding: [0x0d,0x79,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 36927         # encoding: [0x3f,0x90,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 0             # encoding: [0x00,0x00,0x8c,0x35]
+# CHECK: lui	$12, 65180              # encoding: [0x9c,0xfe,0x0c,0x3c]
+# CHECK: ori	$12, $12, 47751         # encoding: [0x87,0xba,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 41590         # encoding: [0x76,0xa2,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 0             # encoding: [0x00,0x00,0x8c,0x35]
+# CHECK: lui	$12, 61983              # encoding: [0x1f,0xf2,0x0c,0x3c]
+# CHECK: ori	$12, $12, 18764         # encoding: [0x4c,0x49,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 22684         # encoding: [0x9c,0x58,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 0             # encoding: [0x00,0x00,0x8c,0x35]
+# CHECK: lui	$12, 30008              # encoding: [0x38,0x75,0x0c,0x3c]
+# CHECK: ori	$12, $12, 56571         # encoding: [0xfb,0xdc,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 30232         # encoding: [0x18,0x76,0x8c,0x35]
+# CHECK: dsll	$12, $12, 16            # encoding: [0x38,0x64,0x0c,0x00]
+# CHECK: ori	$12, $12, 0             # encoding: [0x00,0x00,0x8c,0x35]
+
+	dli	$t0, 1
+	dli	$t0, 10
+	dli	$t0, 100
+	dli	$t0, 1000
+	dli	$t0, 10000
+	dli	$t0, 100000
+	dli	$t0, 1000000
+	dli	$t0, 10000000
+	dli	$t0, 100000000
+	dli	$t0, 1000000000
+	dli	$t0, 10000000000
+	dli	$t0, 100000000000
+	dli	$t0, 1000000000000
+	dli	$t0, 10000000000000
+	dli	$t0, 100000000000000
+	dli	$t0, 1000000000000000
+	dli	$t0, 10000000000000000
+	dli	$t0, 100000000000000000
+	dli	$t0, 1000000000000000000
+	dli	$t0, 10000000000000000000
+	dli	$t0, -1
+	dli	$t0, -10
+	dli	$t0, -100
+	dli	$t0, -1000
+	dli	$t0, -10000
+	dli	$t0, -100000
+	dli	$t0, -1000000
+	dli	$t0, -10000000
+	dli	$t0, -100000000
+	dli	$t0, -1000000000
+	dli	$t0, -10000000000
+	dli	$t0, -100000000000
+	dli	$t0, -1000000000000
+	dli	$t0, -10000000000000
+	dli	$t0, -100000000000000
+	dli	$t0, -1000000000000000
+	dli	$t0, -10000000000000000
+	dli	$t0, -100000000000000000
+	dli	$t0, -1000000000000000000
+	dli	$t0, -10000000000000000000





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