1286425Sdim// WebAssemblyInstrInteger.td-WebAssembly Integer codegen -------*- tablegen -*- 2286425Sdim// 3353358Sdim// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4353358Sdim// See https://llvm.org/LICENSE.txt for license information. 5353358Sdim// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6286425Sdim// 7286425Sdim//===----------------------------------------------------------------------===// 8286425Sdim/// 9286425Sdim/// \file 10341825Sdim/// WebAssembly Integer operand code-gen constructs. 11286425Sdim/// 12286425Sdim//===----------------------------------------------------------------------===// 13286425Sdim 14344779Sdimmulticlass UnaryInt<SDNode node, string name, bits<32> i32Inst, 15344779Sdim bits<32> i64Inst> { 16344779Sdim defm _I32 : I<(outs I32:$dst), (ins I32:$src), (outs), (ins), 17344779Sdim [(set I32:$dst, (node I32:$src))], 18344779Sdim !strconcat("i32.", !strconcat(name, "\t$dst, $src")), 19344779Sdim !strconcat("i32.", name), i32Inst>; 20344779Sdim defm _I64 : I<(outs I64:$dst), (ins I64:$src), (outs), (ins), 21344779Sdim [(set I64:$dst, (node I64:$src))], 22344779Sdim !strconcat("i64.", !strconcat(name, "\t$dst, $src")), 23344779Sdim !strconcat("i64.", name), i64Inst>; 24344779Sdim} 25344779Sdimmulticlass BinaryInt<SDNode node, string name, bits<32> i32Inst, 26344779Sdim bits<32> i64Inst> { 27344779Sdim defm _I32 : I<(outs I32:$dst), (ins I32:$lhs, I32:$rhs), (outs), (ins), 28344779Sdim [(set I32:$dst, (node I32:$lhs, I32:$rhs))], 29344779Sdim !strconcat("i32.", !strconcat(name, "\t$dst, $lhs, $rhs")), 30344779Sdim !strconcat("i32.", name), i32Inst>; 31344779Sdim defm _I64 : I<(outs I64:$dst), (ins I64:$lhs, I64:$rhs), (outs), (ins), 32344779Sdim [(set I64:$dst, (node I64:$lhs, I64:$rhs))], 33344779Sdim !strconcat("i64.", !strconcat(name, "\t$dst, $lhs, $rhs")), 34344779Sdim !strconcat("i64.", name), i64Inst>; 35344779Sdim} 36344779Sdimmulticlass ComparisonInt<CondCode cond, string name, bits<32> i32Inst, bits<32> i64Inst> { 37344779Sdim defm _I32 : I<(outs I32:$dst), (ins I32:$lhs, I32:$rhs), (outs), (ins), 38344779Sdim [(set I32:$dst, (setcc I32:$lhs, I32:$rhs, cond))], 39344779Sdim !strconcat("i32.", !strconcat(name, "\t$dst, $lhs, $rhs")), 40344779Sdim !strconcat("i32.", name), i32Inst>; 41344779Sdim defm _I64 : I<(outs I32:$dst), (ins I64:$lhs, I64:$rhs), (outs), (ins), 42344779Sdim [(set I32:$dst, (setcc I64:$lhs, I64:$rhs, cond))], 43344779Sdim !strconcat("i64.", !strconcat(name, "\t$dst, $lhs, $rhs")), 44344779Sdim !strconcat("i64.", name), i64Inst>; 45344779Sdim} 46286425Sdim 47296417Sdim// The spaces after the names are for aesthetic purposes only, to make 48296417Sdim// operands line up vertically after tab expansion. 49296417Sdimlet isCommutable = 1 in 50314564Sdimdefm ADD : BinaryInt<add, "add ", 0x6a, 0x7c>; 51314564Sdimdefm SUB : BinaryInt<sub, "sub ", 0x6b, 0x7d>; 52296417Sdimlet isCommutable = 1 in 53314564Sdimdefm MUL : BinaryInt<mul, "mul ", 0x6c, 0x7e>; 54296417Sdim// Divide and remainder trap on a zero denominator. 55296417Sdimlet hasSideEffects = 1 in { 56314564Sdimdefm DIV_S : BinaryInt<sdiv, "div_s", 0x6d, 0x7f>; 57314564Sdimdefm DIV_U : BinaryInt<udiv, "div_u", 0x6e, 0x80>; 58314564Sdimdefm REM_S : BinaryInt<srem, "rem_s", 0x6f, 0x81>; 59314564Sdimdefm REM_U : BinaryInt<urem, "rem_u", 0x70, 0x82>; 60296417Sdim} // hasSideEffects = 1 61296417Sdimlet isCommutable = 1 in { 62314564Sdimdefm AND : BinaryInt<and, "and ", 0x71, 0x83>; 63314564Sdimdefm OR : BinaryInt<or, "or ", 0x72, 0x84>; 64314564Sdimdefm XOR : BinaryInt<xor, "xor ", 0x73, 0x85>; 65296417Sdim} // isCommutable = 1 66314564Sdimdefm SHL : BinaryInt<shl, "shl ", 0x74, 0x86>; 67314564Sdimdefm SHR_S : BinaryInt<sra, "shr_s", 0x75, 0x87>; 68314564Sdimdefm SHR_U : BinaryInt<srl, "shr_u", 0x76, 0x88>; 69314564Sdimdefm ROTL : BinaryInt<rotl, "rotl", 0x77, 0x89>; 70314564Sdimdefm ROTR : BinaryInt<rotr, "rotr", 0x78, 0x8a>; 71286425Sdim 72296417Sdimlet isCommutable = 1 in { 73314564Sdimdefm EQ : ComparisonInt<SETEQ, "eq ", 0x46, 0x51>; 74314564Sdimdefm NE : ComparisonInt<SETNE, "ne ", 0x47, 0x52>; 75296417Sdim} // isCommutable = 1 76314564Sdimdefm LT_S : ComparisonInt<SETLT, "lt_s", 0x48, 0x53>; 77314564Sdimdefm LT_U : ComparisonInt<SETULT, "lt_u", 0x49, 0x54>; 78314564Sdimdefm GT_S : ComparisonInt<SETGT, "gt_s", 0x4a, 0x55>; 79314564Sdimdefm GT_U : ComparisonInt<SETUGT, "gt_u", 0x4b, 0x56>; 80314564Sdimdefm LE_S : ComparisonInt<SETLE, "le_s", 0x4c, 0x57>; 81314564Sdimdefm LE_U : ComparisonInt<SETULE, "le_u", 0x4d, 0x58>; 82314564Sdimdefm GE_S : ComparisonInt<SETGE, "ge_s", 0x4e, 0x59>; 83314564Sdimdefm GE_U : ComparisonInt<SETUGE, "ge_u", 0x4f, 0x5a>; 84296417Sdim 85314564Sdimdefm CLZ : UnaryInt<ctlz, "clz ", 0x67, 0x79>; 86314564Sdimdefm CTZ : UnaryInt<cttz, "ctz ", 0x68, 0x7a>; 87314564Sdimdefm POPCNT : UnaryInt<ctpop, "popcnt", 0x69, 0x7b>; 88296417Sdim 89341825Sdimdefm EQZ_I32 : I<(outs I32:$dst), (ins I32:$src), (outs), (ins), 90341825Sdim [(set I32:$dst, (setcc I32:$src, 0, SETEQ))], 91341825Sdim "i32.eqz \t$dst, $src", "i32.eqz", 0x45>; 92341825Sdimdefm EQZ_I64 : I<(outs I32:$dst), (ins I64:$src), (outs), (ins), 93341825Sdim [(set I32:$dst, (setcc I64:$src, 0, SETEQ))], 94341825Sdim "i64.eqz \t$dst, $src", "i64.eqz", 0x50>; 95309124Sdim 96309124Sdim// Optimize away an explicit mask on a rotate count. 97309124Sdimdef : Pat<(rotl I32:$lhs, (and I32:$rhs, 31)), (ROTL_I32 I32:$lhs, I32:$rhs)>; 98309124Sdimdef : Pat<(rotr I32:$lhs, (and I32:$rhs, 31)), (ROTR_I32 I32:$lhs, I32:$rhs)>; 99309124Sdimdef : Pat<(rotl I64:$lhs, (and I64:$rhs, 63)), (ROTL_I64 I64:$lhs, I64:$rhs)>; 100309124Sdimdef : Pat<(rotr I64:$lhs, (and I64:$rhs, 63)), (ROTR_I64 I64:$lhs, I64:$rhs)>; 101296417Sdim 102341825Sdimdefm SELECT_I32 : I<(outs I32:$dst), (ins I32:$lhs, I32:$rhs, I32:$cond), 103341825Sdim (outs), (ins), 104341825Sdim [(set I32:$dst, (select I32:$cond, I32:$lhs, I32:$rhs))], 105341825Sdim "i32.select\t$dst, $lhs, $rhs, $cond", "i32.select", 0x1b>; 106341825Sdimdefm SELECT_I64 : I<(outs I64:$dst), (ins I64:$lhs, I64:$rhs, I32:$cond), 107341825Sdim (outs), (ins), 108341825Sdim [(set I64:$dst, (select I32:$cond, I64:$lhs, I64:$rhs))], 109341825Sdim "i64.select\t$dst, $lhs, $rhs, $cond", "i64.select", 0x1b>; 110296417Sdim 111296417Sdim// ISD::SELECT requires its operand to conform to getBooleanContents, but 112296417Sdim// WebAssembly's select interprets any non-zero value as true, so we can fold 113296417Sdim// a setne with 0 into a select. 114296417Sdimdef : Pat<(select (i32 (setne I32:$cond, 0)), I32:$lhs, I32:$rhs), 115309124Sdim (SELECT_I32 I32:$lhs, I32:$rhs, I32:$cond)>; 116296417Sdimdef : Pat<(select (i32 (setne I32:$cond, 0)), I64:$lhs, I64:$rhs), 117309124Sdim (SELECT_I64 I64:$lhs, I64:$rhs, I32:$cond)>; 118296417Sdim 119296417Sdim// And again, this time with seteq instead of setne and the arms reversed. 120296417Sdimdef : Pat<(select (i32 (seteq I32:$cond, 0)), I32:$lhs, I32:$rhs), 121309124Sdim (SELECT_I32 I32:$rhs, I32:$lhs, I32:$cond)>; 122296417Sdimdef : Pat<(select (i32 (seteq I32:$cond, 0)), I64:$lhs, I64:$rhs), 123309124Sdim (SELECT_I64 I64:$rhs, I64:$lhs, I32:$cond)>; 124