diff options
Diffstat (limited to 'lib/Target/WebAssembly/WebAssemblyInstrInfo.td')
| -rw-r--r-- | lib/Target/WebAssembly/WebAssemblyInstrInfo.td | 70 |
1 files changed, 39 insertions, 31 deletions
diff --git a/lib/Target/WebAssembly/WebAssemblyInstrInfo.td b/lib/Target/WebAssembly/WebAssemblyInstrInfo.td index f0b4ce7caf51..4b319871cf16 100644 --- a/lib/Target/WebAssembly/WebAssemblyInstrInfo.td +++ b/lib/Target/WebAssembly/WebAssemblyInstrInfo.td @@ -30,7 +30,7 @@ def SDT_WebAssemblyCallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, iPTR>, SDTCisVT<1, iPTR>]>; def SDT_WebAssemblyCall0 : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>; def SDT_WebAssemblyCall1 : SDTypeProfile<1, -1, [SDTCisPtrTy<1>]>; -def SDT_WebAssemblyTableswitch : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>; +def SDT_WebAssemblyBrTable : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>; def SDT_WebAssemblyArgument : SDTypeProfile<1, 1, [SDTCisVT<1, i32>]>; def SDT_WebAssemblyReturn : SDTypeProfile<0, -1, []>; def SDT_WebAssemblyWrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, @@ -52,9 +52,9 @@ def WebAssemblycall0 : SDNode<"WebAssemblyISD::CALL0", def WebAssemblycall1 : SDNode<"WebAssemblyISD::CALL1", SDT_WebAssemblyCall1, [SDNPHasChain, SDNPVariadic]>; -def WebAssemblytableswitch : SDNode<"WebAssemblyISD::TABLESWITCH", - SDT_WebAssemblyTableswitch, - [SDNPHasChain, SDNPVariadic]>; +def WebAssemblybr_table : SDNode<"WebAssemblyISD::BR_TABLE", + SDT_WebAssemblyBrTable, + [SDNPHasChain, SDNPVariadic]>; def WebAssemblyargument : SDNode<"WebAssemblyISD::ARGUMENT", SDT_WebAssemblyArgument>; def WebAssemblyreturn : SDNode<"WebAssemblyISD::RETURN", @@ -66,8 +66,25 @@ 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_FP32IMM" in +def f32imm_op : Operand<f32>; + +let OperandType = "OPERAND_FP64IMM" in +def f64imm_op : Operand<f64>; + +let OperandType = "OPERAND_P2ALIGN" in { +def P2Align : Operand<i32> { + let PrintMethod = "printWebAssemblyP2AlignOperand"; +} +} // OperandType = "OPERAND_P2ALIGN" + +} // OperandNamespace = "WebAssembly" + //===----------------------------------------------------------------------===// // WebAssembly Instruction Format Definitions. //===----------------------------------------------------------------------===// @@ -91,15 +108,9 @@ defm : ARGUMENT<F64>; let Defs = [ARGUMENTS] in { // get_local and set_local are not generated by instruction selection; they -// are implied by virtual register uses and defs in most contexts. However, -// they are explicitly emitted for special purposes. +// are implied by virtual register uses and defs. multiclass LOCAL<WebAssemblyRegClass vt> { - def GET_LOCAL_#vt : I<(outs vt:$res), (ins i32imm:$regno), [], - "get_local\t$res, $regno">; - // TODO: set_local returns its operand value - def SET_LOCAL_#vt : I<(outs), (ins i32imm:$regno, vt:$src), [], - "set_local\t$regno, $src">; - +let hasSideEffects = 0 in { // COPY_LOCAL is not an actual instruction in wasm, but since we allow // get_local and set_local to be implicit, we can have a COPY_LOCAL which // is actually a no-op because all the work is done in the implied @@ -107,44 +118,41 @@ multiclass LOCAL<WebAssemblyRegClass vt> { let isAsCheapAsAMove = 1 in def COPY_LOCAL_#vt : I<(outs vt:$res), (ins vt:$src), [], "copy_local\t$res, $src">; + + // TEE_LOCAL is similar to COPY_LOCAL, but writes two copies of its result. + // Typically this would be used to stackify one result and write the other + // result to a local. + let isAsCheapAsAMove = 1 in + def TEE_LOCAL_#vt : I<(outs vt:$res, vt:$also), (ins vt:$src), [], + "tee_local\t$res, $also, $src">; +} // hasSideEffects = 0 } defm : LOCAL<I32>; defm : LOCAL<I64>; defm : LOCAL<F32>; defm : LOCAL<F64>; -let isMoveImm = 1 in { +let isMoveImm = 1, isAsCheapAsAMove = 1, isReMaterializable = 1 in { def CONST_I32 : I<(outs I32:$res), (ins i32imm:$imm), [(set I32:$res, imm:$imm)], "i32.const\t$res, $imm">; def CONST_I64 : I<(outs I64:$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, $imm">; -} // isMoveImm = 1 +} // isMoveImm = 1, isAsCheapAsAMove = 1, isReMaterializable = 1 } // Defs = [ARGUMENTS] -def : Pat<(i32 (WebAssemblywrapper tglobaladdr:$dst)), - (CONST_I32 tglobaladdr:$dst)>; -def : Pat<(i32 (WebAssemblywrapper texternalsym:$dst)), - (CONST_I32 texternalsym:$dst)>; -def : Pat<(i32 (WebAssemblywrapper tjumptable:$dst)), - (CONST_I32 tjumptable:$dst)>; - -let Defs = [ARGUMENTS] in { - -// Function signature and local variable declaration "instructions". -def PARAM : I<(outs), (ins variable_ops), [], ".param \t">; -def RESULT : I<(outs), (ins variable_ops), [], ".result \t">; -def LOCAL : I<(outs), (ins variable_ops), [], ".local \t">; - -} // Defs = [ARGUMENTS] +def : Pat<(i32 (WebAssemblywrapper tglobaladdr:$addr)), + (CONST_I32 tglobaladdr:$addr)>; +def : Pat<(i32 (WebAssemblywrapper texternalsym:$addr)), + (CONST_I32 texternalsym:$addr)>; //===----------------------------------------------------------------------===// // Additional sets of instructions. |