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GenericOpcodes.td
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GenericOpcodes.td
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//===-- GenericOpcodes.td - Opcodes used with GlobalISel ---*- tablegen -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines the generic opcodes used with GlobalISel.
// After instruction selection, these opcodes should not appear.
//
//===----------------------------------------------------------------------===//
//------------------------------------------------------------------------------
// Unary ops.
//------------------------------------------------------------------------------
class GenericInstruction : StandardPseudoInstruction {
let isPreISelOpcode = true;
}
// Provide a variant of an instruction with the same operands, but
// different instruction flags. This is intended to provide a
// convenient way to define strict floating point variants of ordinary
// floating point instructions.
class ConstrainedIntruction<GenericInstruction baseInst> :
GenericInstruction {
let OutOperandList = baseInst.OutOperandList;
let InOperandList = baseInst.InOperandList;
let isCommutable = baseInst.isCommutable;
// TODO: Do we need a better way to mark reads from FP mode than
// hasSideEffects?
let hasSideEffects = true;
let mayRaiseFPException = true;
}
// Extend the underlying scalar type of an operation, leaving the high bits
// unspecified.
def G_ANYEXT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
// Sign extend the underlying scalar type of an operation, copying the sign bit
// into the newly-created space.
def G_SEXT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
// Sign extend the a value from an arbitrary bit position, copying the sign bit
// into all bits above it. This is equivalent to a shl + ashr pair with an
// appropriate shift amount. $sz is an immediate (MachineOperand::isImm()
// returns true) to allow targets to have some bitwidths legal and others
// lowered. This opcode is particularly useful if the target has sign-extension
// instructions that are cheaper than the constituent shifts as the optimizer is
// able to make decisions on whether it's better to hang on to the G_SEXT_INREG
// or to lower it and optimize the individual shifts.
def G_SEXT_INREG : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src, untyped_imm_0:$sz);
let hasSideEffects = false;
}
// Zero extend the underlying scalar type of an operation, putting zero bits
// into the newly-created space.
def G_ZEXT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
// Truncate the underlying scalar type of an operation. This is equivalent to
// G_EXTRACT for scalar types, but acts elementwise on vectors.
def G_TRUNC : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
def G_IMPLICIT_DEF : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins);
let hasSideEffects = false;
}
def G_PHI : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins variable_ops);
let hasSideEffects = false;
}
def G_FRAME_INDEX : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins unknown:$src2);
let hasSideEffects = false;
}
def G_GLOBAL_VALUE : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins unknown:$src);
let hasSideEffects = false;
}
def G_CONSTANT_POOL : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins unknown:$src);
let hasSideEffects = false;
}
def G_INTTOPTR : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
def G_PTRTOINT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
def G_BITCAST : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
// Only supports scalar result types
def G_CONSTANT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins unknown:$imm);
let hasSideEffects = false;
}
// Only supports scalar result types
def G_FCONSTANT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins unknown:$imm);
let hasSideEffects = false;
}
def G_VASTART : GenericInstruction {
let OutOperandList = (outs);
let InOperandList = (ins type0:$list);
let hasSideEffects = false;
let mayStore = true;
}
def G_VAARG : GenericInstruction {
let OutOperandList = (outs type0:$val);
let InOperandList = (ins type1:$list, unknown:$align);
let hasSideEffects = false;
let mayLoad = true;
let mayStore = true;
}
def G_CTLZ : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
def G_CTLZ_ZERO_UNDEF : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
def G_CTTZ : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
def G_CTTZ_ZERO_UNDEF : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
def G_CTPOP : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
def G_BSWAP : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src);
let hasSideEffects = false;
}
def G_BITREVERSE : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src);
let hasSideEffects = false;
}
def G_ADDRSPACE_CAST : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
def G_BLOCK_ADDR : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins unknown:$ba);
let hasSideEffects = false;
}
def G_JUMP_TABLE : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins unknown:$jti);
let hasSideEffects = false;
}
def G_DYN_STACKALLOC : GenericInstruction {
let OutOperandList = (outs ptype0:$dst);
let InOperandList = (ins type1:$size, i32imm:$align);
let hasSideEffects = true;
}
def G_FREEZE : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src);
let hasSideEffects = false;
}
def G_LROUND: GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
def G_LLROUND: GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
//------------------------------------------------------------------------------
// Binary ops.
//------------------------------------------------------------------------------
// Generic addition.
def G_ADD : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Generic subtraction.
def G_SUB : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = false;
}
// Generic multiplication.
def G_MUL : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Generic signed division.
def G_SDIV : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = false;
}
// Generic unsigned division.
def G_UDIV : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = false;
}
// Generic signed remainder.
def G_SREM : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = false;
}
// Generic unsigned remainder.
def G_UREM : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = false;
}
// Generic signed division and remainder.
def G_SDIVREM : GenericInstruction {
let OutOperandList = (outs type0:$div, type0:$rem);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = false;
}
// Generic unsigned division and remainder.
def G_UDIVREM : GenericInstruction {
let OutOperandList = (outs type0:$div, type0:$rem);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = false;
}
// Generic bitwise and.
def G_AND : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Generic bitwise or.
def G_OR : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Generic bitwise xor.
def G_XOR : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Generic left-shift.
def G_SHL : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type1:$src2);
let hasSideEffects = false;
}
// Generic logical right-shift.
def G_LSHR : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type1:$src2);
let hasSideEffects = false;
}
// Generic arithmetic right-shift.
def G_ASHR : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type1:$src2);
let hasSideEffects = false;
}
/// Funnel 'double' shifts take 3 operands, 2 inputs and the shift amount.
/// fshl(X,Y,Z): (X << (Z % bitwidth)) | (Y >> (bitwidth - (Z % bitwidth)))
def G_FSHL : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2, type1:$src3);
let hasSideEffects = false;
}
/// Funnel 'double' shifts take 3 operands, 2 inputs and the shift amount.
/// fshr(X,Y,Z): (X << (bitwidth - (Z % bitwidth))) | (Y >> (Z % bitwidth))
def G_FSHR : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2, type1:$src3);
let hasSideEffects = false;
}
/// Rotate bits right.
def G_ROTR : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type1:$src2);
let hasSideEffects = false;
}
/// Rotate bits left.
def G_ROTL : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type1:$src2);
let hasSideEffects = false;
}
// Generic integer comparison.
def G_ICMP : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins unknown:$tst, type1:$src1, type1:$src2);
let hasSideEffects = false;
}
// Generic floating-point comparison.
def G_FCMP : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins unknown:$tst, type1:$src1, type1:$src2);
let hasSideEffects = false;
}
// Generic select
def G_SELECT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$tst, type0:$src1, type0:$src2);
let hasSideEffects = false;
}
// Generic pointer offset.
def G_PTR_ADD : GenericInstruction {
let OutOperandList = (outs ptype0:$dst);
let InOperandList = (ins ptype0:$src1, type1:$src2);
let hasSideEffects = false;
}
// Generic pointer mask. type1 should be an integer with the same
// bitwidth as the pointer type.
def G_PTRMASK : GenericInstruction {
let OutOperandList = (outs ptype0:$dst);
let InOperandList = (ins ptype0:$src, type1:$bits);
let hasSideEffects = false;
}
// Generic signed integer minimum.
def G_SMIN : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Generic signed integer maximum.
def G_SMAX : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Generic unsigned integer minimum.
def G_UMIN : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Generic unsigned integer maximum.
def G_UMAX : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Generic integer absolute value.
def G_ABS : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src);
let hasSideEffects = false;
}
//------------------------------------------------------------------------------
// Overflow ops
//------------------------------------------------------------------------------
// Generic unsigned addition producing a carry flag.
def G_UADDO : GenericInstruction {
let OutOperandList = (outs type0:$dst, type1:$carry_out);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Generic unsigned addition consuming and producing a carry flag.
def G_UADDE : GenericInstruction {
let OutOperandList = (outs type0:$dst, type1:$carry_out);
let InOperandList = (ins type0:$src1, type0:$src2, type1:$carry_in);
let hasSideEffects = false;
}
// Generic signed addition producing a carry flag.
def G_SADDO : GenericInstruction {
let OutOperandList = (outs type0:$dst, type1:$carry_out);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Generic signed addition consuming and producing a carry flag.
def G_SADDE : GenericInstruction {
let OutOperandList = (outs type0:$dst, type1:$carry_out);
let InOperandList = (ins type0:$src1, type0:$src2, type1:$carry_in);
let hasSideEffects = false;
}
// Generic unsigned subtraction producing a carry flag.
def G_USUBO : GenericInstruction {
let OutOperandList = (outs type0:$dst, type1:$carry_out);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
}
// Generic unsigned subtraction consuming and producing a carry flag.
def G_USUBE : GenericInstruction {
let OutOperandList = (outs type0:$dst, type1:$carry_out);
let InOperandList = (ins type0:$src1, type0:$src2, type1:$carry_in);
let hasSideEffects = false;
}
// Generic signed subtraction producing a carry flag.
def G_SSUBO : GenericInstruction {
let OutOperandList = (outs type0:$dst, type1:$carry_out);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
}
// Generic signed subtraction consuming and producing a carry flag.
def G_SSUBE : GenericInstruction {
let OutOperandList = (outs type0:$dst, type1:$carry_out);
let InOperandList = (ins type0:$src1, type0:$src2, type1:$carry_in);
let hasSideEffects = false;
}
// Generic unsigned multiplication producing a carry flag.
def G_UMULO : GenericInstruction {
let OutOperandList = (outs type0:$dst, type1:$carry_out);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Generic signed multiplication producing a carry flag.
def G_SMULO : GenericInstruction {
let OutOperandList = (outs type0:$dst, type1:$carry_out);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Multiply two numbers at twice the incoming bit width (unsigned) and return
// the high half of the result.
def G_UMULH : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Multiply two numbers at twice the incoming bit width (signed) and return
// the high half of the result.
def G_SMULH : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
//------------------------------------------------------------------------------
// Saturating ops
//------------------------------------------------------------------------------
// Generic saturating unsigned addition.
def G_UADDSAT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Generic saturating signed addition.
def G_SADDSAT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Generic saturating unsigned subtraction.
def G_USUBSAT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = false;
}
// Generic saturating signed subtraction.
def G_SSUBSAT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = false;
}
// Generic saturating unsigned left shift.
def G_USHLSAT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type1:$src2);
let hasSideEffects = false;
let isCommutable = false;
}
// Generic saturating signed left shift.
def G_SSHLSAT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type1:$src2);
let hasSideEffects = false;
let isCommutable = false;
}
/// RESULT = [US]MULFIX(LHS, RHS, SCALE) - Perform fixed point
/// multiplication on 2 integers with the same width and scale. SCALE
/// represents the scale of both operands as fixed point numbers. This
/// SCALE parameter must be a constant integer. A scale of zero is
/// effectively performing multiplication on 2 integers.
def G_SMULFIX : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src0, type0:$src1, untyped_imm_0:$scale);
let hasSideEffects = false;
let isCommutable = true;
}
def G_UMULFIX : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src0, type0:$src1, untyped_imm_0:$scale);
let hasSideEffects = false;
let isCommutable = true;
}
/// Same as the corresponding unsaturated fixed point instructions, but the
/// result is clamped between the min and max values representable by the
/// bits of the first 2 operands.
def G_SMULFIXSAT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src0, type0:$src1, untyped_imm_0:$scale);
let hasSideEffects = false;
let isCommutable = true;
}
def G_UMULFIXSAT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src0, type0:$src1, untyped_imm_0:$scale);
let hasSideEffects = false;
let isCommutable = true;
}
/// RESULT = [US]DIVFIX(LHS, RHS, SCALE) - Perform fixed point division on
/// 2 integers with the same width and scale. SCALE represents the scale
/// of both operands as fixed point numbers. This SCALE parameter must be a
/// constant integer.
def G_SDIVFIX : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src0, type0:$src1, untyped_imm_0:$scale);
let hasSideEffects = false;
let isCommutable = false;
}
def G_UDIVFIX : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src0, type0:$src1, untyped_imm_0:$scale);
let hasSideEffects = false;
let isCommutable = false;
}
/// Same as the corresponding unsaturated fixed point instructions,
/// but the result is clamped between the min and max values
/// representable by the bits of the first 2 operands.
def G_SDIVFIXSAT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src0, type0:$src1, untyped_imm_0:$scale);
let hasSideEffects = false;
let isCommutable = false;
}
def G_UDIVFIXSAT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src0, type0:$src1, untyped_imm_0:$scale);
let hasSideEffects = false;
let isCommutable = false;
}
//------------------------------------------------------------------------------
// Floating Point Unary Ops.
//------------------------------------------------------------------------------
def G_FNEG : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src);
let hasSideEffects = false;
}
def G_FPEXT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
def G_FPTRUNC : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
def G_FPTOSI : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
def G_FPTOUI : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
def G_SITOFP : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
def G_UITOFP : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src);
let hasSideEffects = false;
}
def G_FABS : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src);
let hasSideEffects = false;
}
def G_FCOPYSIGN : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src0, type1:$src1);
let hasSideEffects = false;
}
def G_FCANONICALIZE : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src);
let hasSideEffects = false;
}
// Generic opcode equivalent to the llvm.is_fpclass intrinsic.
def G_IS_FPCLASS: GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src, unknown:$test);
let hasSideEffects = false;
}
// FMINNUM/FMAXNUM - Perform floating-point minimum or maximum on two
// values.
//
// In the case where a single input is a NaN (either signaling or quiet),
// the non-NaN input is returned.
//
// The return value of (FMINNUM 0.0, -0.0) could be either 0.0 or -0.0.
def G_FMINNUM : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
def G_FMAXNUM : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// FMINNUM_IEEE/FMAXNUM_IEEE - Perform floating-point minimum or maximum on
// two values, following the IEEE-754 2008 definition. This differs from
// FMINNUM/FMAXNUM in the handling of signaling NaNs. If one input is a
// signaling NaN, returns a quiet NaN.
def G_FMINNUM_IEEE : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
def G_FMAXNUM_IEEE : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// FMINIMUM/FMAXIMUM - NaN-propagating minimum/maximum that also treat -0.0
// as less than 0.0. While FMINNUM_IEEE/FMAXNUM_IEEE follow IEEE 754-2008
// semantics, FMINIMUM/FMAXIMUM follow IEEE 754-2018 draft semantics.
def G_FMINIMUM : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
def G_FMAXIMUM : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
//------------------------------------------------------------------------------
// Floating Point Binary ops.
//------------------------------------------------------------------------------
// Generic FP addition.
def G_FADD : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Generic FP subtraction.
def G_FSUB : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = false;
}
// Generic FP multiplication.
def G_FMUL : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
let isCommutable = true;
}
// Generic fused multiply-add instruction.
// Behaves like llvm fma intrinsic ie src1 * src2 + src3
def G_FMA : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2, type0:$src3);
let hasSideEffects = false;
let isCommutable = false;
}
/// Generic FP multiply and add. Perform a * b + c, while getting the
/// same result as the separately rounded operations, unlike G_FMA.
def G_FMAD : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2, type0:$src3);
let hasSideEffects = false;
let isCommutable = false;
}
// Generic FP division.
def G_FDIV : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
}
// Generic FP remainder.
def G_FREM : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
}
// Floating point exponentiation.
def G_FPOW : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1, type0:$src2);
let hasSideEffects = false;
}
// Floating point exponentiation, with an integer power.
def G_FPOWI : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src0, type1:$src1);
let hasSideEffects = false;
}
// Floating point base-e exponential of a value.
def G_FEXP : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1);
let hasSideEffects = false;
}
// Floating point base-2 exponential of a value.
def G_FEXP2 : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1);
let hasSideEffects = false;
}
// Floating point base-e logarithm of a value.
def G_FLOG : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1);
let hasSideEffects = false;
}
// Floating point base-2 logarithm of a value.
def G_FLOG2 : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1);
let hasSideEffects = false;
}
// Floating point base-10 logarithm of a value.
def G_FLOG10 : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1);
let hasSideEffects = false;
}
// Floating point ceiling of a value.
def G_FCEIL : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1);
let hasSideEffects = false;
}
// Floating point cosine of a value.
def G_FCOS : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1);
let hasSideEffects = false;
}
// Floating point sine of a value.
def G_FSIN : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1);
let hasSideEffects = false;
}
// Floating point square root of a value.
// This returns NaN for negative nonzero values.
// NOTE: Unlike libm sqrt(), this never sets errno. In all other respects it's
// libm-conformant.
def G_FSQRT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1);
let hasSideEffects = false;
}
// Floating point floor of a value.
def G_FFLOOR : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1);
let hasSideEffects = false;
}
// Floating point round to next integer.
def G_FRINT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1);
let hasSideEffects = false;
}
// Floating point round to the nearest integer.
def G_FNEARBYINT : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1);
let hasSideEffects = false;
}
//------------------------------------------------------------------------------
// Opcodes for LLVM Intrinsics
//------------------------------------------------------------------------------
def G_INTRINSIC_FPTRUNC_ROUND : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type1:$src1, i32imm:$round_mode);
let hasSideEffects = false;
}
def G_INTRINSIC_TRUNC : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1);
let hasSideEffects = false;
}
def G_INTRINSIC_ROUND : GenericInstruction {
let OutOperandList = (outs type0:$dst);
let InOperandList = (ins type0:$src1);
let hasSideEffects = false;
}
def G_INTRINSIC_LRINT : GenericInstruction {
let OutOperandList = (outs type0:$dst);