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[WebAssembly] Define OperandTypes for decoding immediate values.

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llvm-svn: 257438
This commit is contained in:
Dan Gohman 2016-01-12 03:09:16 +00:00
parent 9a08bce090
commit 07131ec8af
2 changed files with 33 additions and 13 deletions
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32
lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h
View File

@ -15,6 +15,7 @@
#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCTARGETDESC_H
#define LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCTARGETDESC_H
#include "llvm/MC/MCInstrDesc.h"
#include "llvm/Support/DataTypes.h"
namespace llvm {
@ -40,6 +41,26 @@ MCAsmBackend *createWebAssemblyAsmBackend(const Triple &TT);
MCObjectWriter *createWebAssemblyELFObjectWriter(raw_pwrite_stream &OS,
bool Is64Bit, uint8_t OSABI);
namespace WebAssembly {
enum OperandType {
/// Basic block label in a branch construct.
OPERAND_BASIC_BLOCK = MCOI::OPERAND_FIRST_TARGET,
/// Floating-point immediate.
OPERAND_FPIMM
};
} // end namespace WebAssembly
namespace WebAssemblyII {
enum {
// For variadic instructions, this flag indicates whether an operand
// in the variable_ops range is an immediate value.
VariableOpIsImmediate = (1 << 0),
// For immediate values in the variable_ops range, this flag indicates
// whether the value represents a type.
VariableOpImmediateIsType = (1 << 1),
};
} // end namespace WebAssemblyII
} // end namespace llvm
// Defines symbolic names for WebAssembly registers. This defines a mapping from
@ -56,15 +77,4 @@ MCObjectWriter *createWebAssemblyELFObjectWriter(raw_pwrite_stream &OS,
#define GET_SUBTARGETINFO_ENUM
#include "WebAssemblyGenSubtargetInfo.inc"
namespace WebAssemblyII {
enum {
// For variadic instructions, this flag indicates whether an operand
// in the variable_ops range is an immediate value.
VariableOpIsImmediate = (1 << 0),
// For immediate values in the variable_ops range, this flag indicates
// whether the value represents a type.
VariableOpImmediateIsType = (1 << 1),
};
} // end namespace WebAssemblyII
#endif

14
lib/Target/WebAssembly/WebAssemblyInstrInfo.td
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@ -66,8 +66,18 @@ def WebAssemblywrapper : SDNode<"WebAssemblyISD::Wrapper",
// WebAssembly-specific Operands.
//===----------------------------------------------------------------------===//
let OperandNamespace = "WebAssembly" in {
let OperandType = "OPERAND_BASIC_BLOCK" in
def bb_op : Operand<OtherVT>;
let OperandType = "OPERAND_FPIMM" in {
def f32imm_op : Operand<f32>;
def f64imm_op : Operand<f64>;
} // OperandType = "OPERAND_FPIMM"
} // OperandNamespace = "WebAssembly"
//===----------------------------------------------------------------------===//
// WebAssembly Instruction Format Definitions.
//===----------------------------------------------------------------------===//
@ -120,10 +130,10 @@ def CONST_I32 : I<(outs I32:$res), (ins i32imm:$imm),
def CONST_I64 : I<(outs I64:$res), (ins i64imm:$imm),
[(set I64:$res, imm:$imm)],
"i64.const\t$res, $imm">;
def CONST_F32 : I<(outs F32:$res), (ins f32imm:$imm),
def CONST_F32 : I<(outs F32:$res), (ins f32imm_op:$imm),
[(set F32:$res, fpimm:$imm)],
"f32.const\t$res, $imm">;
def CONST_F64 : I<(outs F64:$res), (ins f64imm:$imm),
def CONST_F64 : I<(outs F64:$res), (ins f64imm_op:$imm),
[(set F64:$res, fpimm:$imm)],
"f64.const\t$res, $imm">;
} // isMoveImm = 1