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1 //===- subzero/src/IceTargetLoweringX8632.cpp - x86-32 lowering -----------===// | 1 //===- subzero/src/IceTargetLoweringX8632.cpp - x86-32 lowering -----------===// |
2 // | 2 // |
3 // The Subzero Code Generator | 3 // The Subzero Code Generator |
4 // | 4 // |
5 // This file is distributed under the University of Illinois Open Source | 5 // This file is distributed under the University of Illinois Open Source |
6 // License. See LICENSE.TXT for details. | 6 // License. See LICENSE.TXT for details. |
7 // | 7 // |
8 //===----------------------------------------------------------------------===// | 8 //===----------------------------------------------------------------------===// |
9 // | 9 // |
10 // This file implements the TargetLoweringX8632 class, which | 10 // This file implements the TargetLoweringX8632 class, which |
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3912 // cmp a,val[0]; jeq label[0]; cmp a,val[1]; jeq label[1]; ... jmp default | 3912 // cmp a,val[0]; jeq label[0]; cmp a,val[1]; jeq label[1]; ... jmp default |
3913 Operand *Src0 = Inst->getComparison(); | 3913 Operand *Src0 = Inst->getComparison(); |
3914 SizeT NumCases = Inst->getNumCases(); | 3914 SizeT NumCases = Inst->getNumCases(); |
3915 // OK, we'll be slightly less naive by forcing Src into a physical | 3915 // OK, we'll be slightly less naive by forcing Src into a physical |
3916 // register if there are 2 or more uses. | 3916 // register if there are 2 or more uses. |
3917 if (NumCases >= 2) | 3917 if (NumCases >= 2) |
3918 Src0 = legalizeToVar(Src0, true); | 3918 Src0 = legalizeToVar(Src0, true); |
3919 else | 3919 else |
3920 Src0 = legalize(Src0, Legal_Reg | Legal_Mem, true); | 3920 Src0 = legalize(Src0, Legal_Reg | Legal_Mem, true); |
3921 for (SizeT I = 0; I < NumCases; ++I) { | 3921 for (SizeT I = 0; I < NumCases; ++I) { |
| 3922 // TODO(stichnot): Correct lowering for IceType_i64. |
3922 Operand *Value = Ctx->getConstantInt(IceType_i32, Inst->getValue(I)); | 3923 Operand *Value = Ctx->getConstantInt(IceType_i32, Inst->getValue(I)); |
3923 _cmp(Src0, Value); | 3924 _cmp(Src0, Value); |
3924 _br(InstX8632Br::Br_e, Inst->getLabel(I)); | 3925 _br(InstX8632Br::Br_e, Inst->getLabel(I)); |
3925 } | 3926 } |
3926 | 3927 |
3927 _br(Inst->getLabelDefault()); | 3928 _br(Inst->getLabelDefault()); |
3928 } | 3929 } |
3929 | 3930 |
3930 void TargetX8632::scalarizeArithmetic(InstArithmetic::OpKind Kind, | 3931 void TargetX8632::scalarizeArithmetic(InstArithmetic::OpKind Kind, |
3931 Variable *Dest, Operand *Src0, | 3932 Variable *Dest, Operand *Src0, |
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4418 Str << "\t.align\t" << Align << "\n"; | 4419 Str << "\t.align\t" << Align << "\n"; |
4419 Str << MangledName << ":\n"; | 4420 Str << MangledName << ":\n"; |
4420 for (SizeT i = 0; i < Size; ++i) { | 4421 for (SizeT i = 0; i < Size; ++i) { |
4421 Str << "\t.byte\t" << (((unsigned)Data[i]) & 0xff) << "\n"; | 4422 Str << "\t.byte\t" << (((unsigned)Data[i]) & 0xff) << "\n"; |
4422 } | 4423 } |
4423 Str << "\t.size\t" << MangledName << ", " << Size << "\n"; | 4424 Str << "\t.size\t" << MangledName << ", " << Size << "\n"; |
4424 } | 4425 } |
4425 } | 4426 } |
4426 | 4427 |
4427 } // end of namespace Ice | 4428 } // end of namespace Ice |
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