diff options
| author | gdkchan <gab.dark.100@gmail.com> | 2020-05-13 02:30:21 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-05-13 15:30:21 +1000 |
| commit | 96c7988671177eb565728d31a66a232b1e300c9f (patch) | |
| tree | 5caae5c78ebffd6a354f5802019f1a3a30a2e500 /ARMeilleure/CodeGen | |
| parent | 1f8e45c2baac964a2c6b4dea1d7908d9c30a2a29 (diff) | |
Remove CpuId IR instruction (#1227)
Diffstat (limited to 'ARMeilleure/CodeGen')
| -rw-r--r-- | ARMeilleure/CodeGen/X86/CodeGenerator.cs | 6 | ||||
| -rw-r--r-- | ARMeilleure/CodeGen/X86/PreAllocator.cs | 32 |
2 files changed, 0 insertions, 38 deletions
diff --git a/ARMeilleure/CodeGen/X86/CodeGenerator.cs b/ARMeilleure/CodeGen/X86/CodeGenerator.cs index 1bcab736..a6347b27 100644 --- a/ARMeilleure/CodeGen/X86/CodeGenerator.cs +++ b/ARMeilleure/CodeGen/X86/CodeGenerator.cs @@ -53,7 +53,6 @@ namespace ARMeilleure.CodeGen.X86 Add(Instruction.ConvertToFP, GenerateConvertToFP); Add(Instruction.Copy, GenerateCopy); Add(Instruction.CountLeadingZeros, GenerateCountLeadingZeros); - Add(Instruction.CpuId, GenerateCpuId); Add(Instruction.Divide, GenerateDivide); Add(Instruction.DivideUI, GenerateDivideUI); Add(Instruction.Fill, GenerateFill); @@ -765,11 +764,6 @@ namespace ARMeilleure.CodeGen.X86 context.Assembler.Xor(dest, Const(operandMask), OperandType.I32); } - private static void GenerateCpuId(CodeGenContext context, Operation operation) - { - context.Assembler.Cpuid(); - } - private static void GenerateDivide(CodeGenContext context, Operation operation) { Operand dest = operation.Destination; diff --git a/ARMeilleure/CodeGen/X86/PreAllocator.cs b/ARMeilleure/CodeGen/X86/PreAllocator.cs index 65e2e39e..d1794b55 100644 --- a/ARMeilleure/CodeGen/X86/PreAllocator.cs +++ b/ARMeilleure/CodeGen/X86/PreAllocator.cs @@ -265,38 +265,6 @@ namespace ARMeilleure.CodeGen.X86 break; } - case Instruction.CpuId: - { - // Handle the many restrictions of the CPU Id instruction: - // - EAX controls the information returned by this instruction. - // - When EAX is 1, feature information is returned. - // - The information is written to registers EAX, EBX, ECX and EDX. - Debug.Assert(dest.Type == OperandType.I64); - - Operand eax = Gpr(X86Register.Rax, OperandType.I32); - Operand ebx = Gpr(X86Register.Rbx, OperandType.I32); - Operand ecx = Gpr(X86Register.Rcx, OperandType.I32); - Operand edx = Gpr(X86Register.Rdx, OperandType.I32); - - // Value 0x01 = Version, family and feature information. - nodes.AddBefore(node, Operation(Instruction.Copy, eax, Const(1))); - - // Copy results to the destination register. - // The values are split into 2 32-bits registers, we merge them - // into a single 64-bits register. - Operand rcx = Gpr(X86Register.Rcx, OperandType.I64); - - node = nodes.AddAfter(node, Operation(Instruction.ZeroExtend32, dest, edx)); - node = nodes.AddAfter(node, Operation(Instruction.ShiftLeft, dest, dest, Const(32))); - node = nodes.AddAfter(node, Operation(Instruction.BitwiseOr, dest, dest, rcx)); - - operation.SetDestinations(new Operand[] { eax, ebx, ecx, edx }); - - operation.SetSources(new Operand[] { eax }); - - break; - } - case Instruction.Divide: case Instruction.DivideUI: { |