1// WebAssemblyInstrInteger.td-WebAssembly Integer codegen -------*- tablegen -*- 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9/// 10/// \file 11/// WebAssembly Integer operand code-gen constructs. 12/// 13//===----------------------------------------------------------------------===// 14 15let Defs = [ARGUMENTS] in { 16 17// The spaces after the names are for aesthetic purposes only, to make 18// operands line up vertically after tab expansion. 19let isCommutable = 1 in 20defm ADD : BinaryInt<add, "add ", 0x6a, 0x7c>; 21defm SUB : BinaryInt<sub, "sub ", 0x6b, 0x7d>; 22let isCommutable = 1 in 23defm MUL : BinaryInt<mul, "mul ", 0x6c, 0x7e>; 24// Divide and remainder trap on a zero denominator. 25let hasSideEffects = 1 in { 26defm DIV_S : BinaryInt<sdiv, "div_s", 0x6d, 0x7f>; 27defm DIV_U : BinaryInt<udiv, "div_u", 0x6e, 0x80>; 28defm REM_S : BinaryInt<srem, "rem_s", 0x6f, 0x81>; 29defm REM_U : BinaryInt<urem, "rem_u", 0x70, 0x82>; 30} // hasSideEffects = 1 31let isCommutable = 1 in { 32defm AND : BinaryInt<and, "and ", 0x71, 0x83>; 33defm OR : BinaryInt<or, "or ", 0x72, 0x84>; 34defm XOR : BinaryInt<xor, "xor ", 0x73, 0x85>; 35} // isCommutable = 1 36defm SHL : BinaryInt<shl, "shl ", 0x74, 0x86>; 37defm SHR_S : BinaryInt<sra, "shr_s", 0x75, 0x87>; 38defm SHR_U : BinaryInt<srl, "shr_u", 0x76, 0x88>; 39defm ROTL : BinaryInt<rotl, "rotl", 0x77, 0x89>; 40defm ROTR : BinaryInt<rotr, "rotr", 0x78, 0x8a>; 41 42let isCommutable = 1 in { 43defm EQ : ComparisonInt<SETEQ, "eq ", 0x46, 0x51>; 44defm NE : ComparisonInt<SETNE, "ne ", 0x47, 0x52>; 45} // isCommutable = 1 46defm LT_S : ComparisonInt<SETLT, "lt_s", 0x48, 0x53>; 47defm LT_U : ComparisonInt<SETULT, "lt_u", 0x49, 0x54>; 48defm GT_S : ComparisonInt<SETGT, "gt_s", 0x4a, 0x55>; 49defm GT_U : ComparisonInt<SETUGT, "gt_u", 0x4b, 0x56>; 50defm LE_S : ComparisonInt<SETLE, "le_s", 0x4c, 0x57>; 51defm LE_U : ComparisonInt<SETULE, "le_u", 0x4d, 0x58>; 52defm GE_S : ComparisonInt<SETGE, "ge_s", 0x4e, 0x59>; 53defm GE_U : ComparisonInt<SETUGE, "ge_u", 0x4f, 0x5a>; 54 55defm CLZ : UnaryInt<ctlz, "clz ", 0x67, 0x79>; 56defm CTZ : UnaryInt<cttz, "ctz ", 0x68, 0x7a>; 57defm POPCNT : UnaryInt<ctpop, "popcnt", 0x69, 0x7b>; 58 59defm EQZ_I32 : I<(outs I32:$dst), (ins I32:$src), (outs), (ins), 60 [(set I32:$dst, (setcc I32:$src, 0, SETEQ))], 61 "i32.eqz \t$dst, $src", "i32.eqz", 0x45>; 62defm EQZ_I64 : I<(outs I32:$dst), (ins I64:$src), (outs), (ins), 63 [(set I32:$dst, (setcc I64:$src, 0, SETEQ))], 64 "i64.eqz \t$dst, $src", "i64.eqz", 0x50>; 65 66} // Defs = [ARGUMENTS] 67 68// Optimize away an explicit mask on a rotate count. 69def : Pat<(rotl I32:$lhs, (and I32:$rhs, 31)), (ROTL_I32 I32:$lhs, I32:$rhs)>; 70def : Pat<(rotr I32:$lhs, (and I32:$rhs, 31)), (ROTR_I32 I32:$lhs, I32:$rhs)>; 71def : Pat<(rotl I64:$lhs, (and I64:$rhs, 63)), (ROTL_I64 I64:$lhs, I64:$rhs)>; 72def : Pat<(rotr I64:$lhs, (and I64:$rhs, 63)), (ROTR_I64 I64:$lhs, I64:$rhs)>; 73 74let Defs = [ARGUMENTS] in { 75 76defm SELECT_I32 : I<(outs I32:$dst), (ins I32:$lhs, I32:$rhs, I32:$cond), 77 (outs), (ins), 78 [(set I32:$dst, (select I32:$cond, I32:$lhs, I32:$rhs))], 79 "i32.select\t$dst, $lhs, $rhs, $cond", "i32.select", 0x1b>; 80defm SELECT_I64 : I<(outs I64:$dst), (ins I64:$lhs, I64:$rhs, I32:$cond), 81 (outs), (ins), 82 [(set I64:$dst, (select I32:$cond, I64:$lhs, I64:$rhs))], 83 "i64.select\t$dst, $lhs, $rhs, $cond", "i64.select", 0x1b>; 84 85} // Defs = [ARGUMENTS] 86 87// ISD::SELECT requires its operand to conform to getBooleanContents, but 88// WebAssembly's select interprets any non-zero value as true, so we can fold 89// a setne with 0 into a select. 90def : Pat<(select (i32 (setne I32:$cond, 0)), I32:$lhs, I32:$rhs), 91 (SELECT_I32 I32:$lhs, I32:$rhs, I32:$cond)>; 92def : Pat<(select (i32 (setne I32:$cond, 0)), I64:$lhs, I64:$rhs), 93 (SELECT_I64 I64:$lhs, I64:$rhs, I32:$cond)>; 94 95// And again, this time with seteq instead of setne and the arms reversed. 96def : Pat<(select (i32 (seteq I32:$cond, 0)), I32:$lhs, I32:$rhs), 97 (SELECT_I32 I32:$rhs, I32:$lhs, I32:$cond)>; 98def : Pat<(select (i32 (seteq I32:$cond, 0)), I64:$lhs, I64:$rhs), 99 (SELECT_I64 I64:$rhs, I64:$lhs, I32:$cond)>; 100