78 lines
3.6 KiB
TableGen
78 lines
3.6 KiB
TableGen
|
//===-- X86InstrMPX.td - MPX Instruction Set ---------*- 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 describes the X86 MPX instruction set, defining the
|
||
|
|
// instructions, and properties of the instructions which are needed for code
|
||
|
|
// generation, machine code emission, and analysis.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
// FIXME: Investigate a better scheduler class if MPX is ever used inside LLVM.
|
||
|
|
let SchedRW = [WriteSystem] in {
|
||
|
|
|
||
|
|
multiclass mpx_bound_make<bits<8> opc, string OpcodeStr> {
|
||
|
|
def 32rm: I<opc, MRMSrcMem, (outs BNDR:$dst), (ins anymem:$src),
|
||
|
|
OpcodeStr#"\t{$src, $dst|$dst, $src}", []>,
|
||
|
|
Requires<[Not64BitMode]>;
|
||
|
|
def 64rm: I<opc, MRMSrcMem, (outs BNDR:$dst), (ins anymem:$src),
|
||
|
|
OpcodeStr#"\t{$src, $dst|$dst, $src}", []>,
|
||
|
|
Requires<[In64BitMode]>;
|
||
|
|
}
|
||
|
|
|
||
|
|
defm BNDMK : mpx_bound_make<0x1B, "bndmk">, XS;
|
||
|
|
|
||
|
|
multiclass mpx_bound_check<bits<8> opc, string OpcodeStr> {
|
||
|
|
def 32rm: I<opc, MRMSrcMem, (outs), (ins BNDR:$src1, anymem:$src2),
|
||
|
|
OpcodeStr#"\t{$src2, $src1|$src1, $src2}", []>,
|
||
|
|
Requires<[Not64BitMode]>;
|
||
|
|
def 64rm: I<opc, MRMSrcMem, (outs), (ins BNDR:$src1, anymem:$src2),
|
||
|
|
OpcodeStr#"\t{$src2, $src1|$src1, $src2}", []>,
|
||
|
|
Requires<[In64BitMode]>;
|
||
|
|
|
||
|
|
def 32rr: I<opc, MRMSrcReg, (outs), (ins BNDR:$src1, GR32:$src2),
|
||
|
|
OpcodeStr#"\t{$src2, $src1|$src1, $src2}", []>,
|
||
|
|
Requires<[Not64BitMode]>;
|
||
|
|
def 64rr: I<opc, MRMSrcReg, (outs), (ins BNDR:$src1, GR64:$src2),
|
||
|
|
OpcodeStr#"\t{$src2, $src1|$src1, $src2}", []>,
|
||
|
|
Requires<[In64BitMode]>;
|
||
|
|
}
|
||
|
|
defm BNDCL : mpx_bound_check<0x1A, "bndcl">, XS, NotMemoryFoldable;
|
||
|
|
defm BNDCU : mpx_bound_check<0x1A, "bndcu">, XD, NotMemoryFoldable;
|
||
|
|
defm BNDCN : mpx_bound_check<0x1B, "bndcn">, XD, NotMemoryFoldable;
|
||
|
|
|
||
|
|
def BNDMOVrr : I<0x1A, MRMSrcReg, (outs BNDR:$dst), (ins BNDR:$src),
|
||
|
|
"bndmov\t{$src, $dst|$dst, $src}", []>, PD,
|
||
|
|
NotMemoryFoldable;
|
||
|
|
let mayLoad = 1 in {
|
||
|
|
def BNDMOV32rm : I<0x1A, MRMSrcMem, (outs BNDR:$dst), (ins i64mem:$src),
|
||
|
|
"bndmov\t{$src, $dst|$dst, $src}", []>, PD,
|
||
|
|
Requires<[Not64BitMode]>, NotMemoryFoldable;
|
||
|
|
def BNDMOV64rm : I<0x1A, MRMSrcMem, (outs BNDR:$dst), (ins i128mem:$src),
|
||
|
|
"bndmov\t{$src, $dst|$dst, $src}", []>, PD,
|
||
|
|
Requires<[In64BitMode]>, NotMemoryFoldable;
|
||
|
|
}
|
||
|
|
let isCodeGenOnly = 1, ForceDisassemble = 1 in
|
||
|
|
def BNDMOVrr_REV : I<0x1B, MRMDestReg, (outs BNDR:$dst), (ins BNDR:$src),
|
||
|
|
"bndmov\t{$src, $dst|$dst, $src}", []>, PD,
|
||
|
|
NotMemoryFoldable;
|
||
|
|
let mayStore = 1 in {
|
||
|
|
def BNDMOV32mr : I<0x1B, MRMDestMem, (outs), (ins i64mem:$dst, BNDR:$src),
|
||
|
|
"bndmov\t{$src, $dst|$dst, $src}", []>, PD,
|
||
|
|
Requires<[Not64BitMode]>, NotMemoryFoldable;
|
||
|
|
def BNDMOV64mr : I<0x1B, MRMDestMem, (outs), (ins i128mem:$dst, BNDR:$src),
|
||
|
|
"bndmov\t{$src, $dst|$dst, $src}", []>, PD,
|
||
|
|
Requires<[In64BitMode]>, NotMemoryFoldable;
|
||
|
|
|
||
|
|
def BNDSTXmr: I<0x1B, MRMDestMem, (outs), (ins anymem:$dst, BNDR:$src),
|
||
|
|
"bndstx\t{$src, $dst|$dst, $src}", []>, PS;
|
||
|
|
}
|
||
|
|
let mayLoad = 1 in
|
||
|
|
def BNDLDXrm: I<0x1A, MRMSrcMem, (outs BNDR:$dst), (ins anymem:$src),
|
||
|
|
"bndldx\t{$src, $dst|$dst, $src}", []>, PS;
|
||
|
|
} // SchedRW
|