llvm-6502/lib/Target/X86/X86Instr3DNow.td
Michael J. Spencer 4babeeeeed Add 3DNow! intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129551 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15 00:32:41 +00:00

103 lines
4.3 KiB
TableGen

//====- X86Instr3DNow.td - The 3DNow! Instruction Set ------*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file describes the 3DNow! instruction set, which extends MMX to support
// floating point and also adds a few more random instructions for good measure.
//
//===----------------------------------------------------------------------===//
class I3DNow<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pat>
: I<o, F, outs, ins, asm, pat>, TB, Requires<[Has3DNow]> {
}
class I3DNow_binop<bits<8> o, Format F, dag ins, string Mnemonic, list<dag> pat>
: I3DNow<o, F, (outs VR64:$dst), ins,
!strconcat(Mnemonic, "\t{$src2, $dst|$dst, $src2}"), pat>,
Has3DNow0F0FOpcode {
// FIXME: The disassembler doesn't support Has3DNow0F0FOpcode yet.
let isAsmParserOnly = 1;
let Constraints = "$src1 = $dst";
}
class I3DNow_conv<bits<8> o, Format F, dag ins, string Mnemonic, list<dag> pat>
: I3DNow<o, F, (outs VR64:$dst), ins,
!strconcat(Mnemonic, "\t{$src, $dst|$dst, $src}"), pat>,
Has3DNow0F0FOpcode {
// FIXME: The disassembler doesn't support Has3DNow0F0FOpcode yet.
let isAsmParserOnly = 1;
}
multiclass I3DNow_binop_rm<bits<8> opc, string Mn> {
def rr : I3DNow_binop<opc, MRMSrcReg, (ins VR64:$src1, VR64:$src2), Mn, []>;
def rm : I3DNow_binop<opc, MRMSrcMem, (ins VR64:$src1, i64mem:$src2), Mn, []>;
}
multiclass I3DNow_binop_rm_int<bits<8> opc, string Mn, string Ver = ""> {
def rr : I3DNow_binop<opc, MRMSrcReg, (ins VR64:$src1, VR64:$src2), Mn,
[(set VR64:$dst, (!cast<Intrinsic>(
!strconcat("int_x86_3dnow", Ver, "_", Mn)) VR64:$src1, VR64:$src2))]>;
def rm : I3DNow_binop<opc, MRMSrcMem, (ins VR64:$src1, i64mem:$src2), Mn,
[(set VR64:$dst, (!cast<Intrinsic>(
!strconcat("int_x86_3dnow", Ver, "_", Mn)) VR64:$src1,
(bitconvert (load_mmx addr:$src2))))]>;
}
multiclass I3DNow_conv_rm<bits<8> opc, string Mn> {
def rr : I3DNow_conv<opc, MRMSrcReg, (ins VR64:$src1), Mn, []>;
def rm : I3DNow_conv<opc, MRMSrcMem, (ins i64mem:$src1), Mn, []>;
}
multiclass I3DNow_conv_rm_int<bits<8> opc, string Mn, string Ver = ""> {
def rr : I3DNow_conv<opc, MRMSrcReg, (ins VR64:$src), Mn,
[(set VR64:$dst, (!cast<Intrinsic>(
!strconcat("int_x86_3dnow", Ver, "_", Mn)) VR64:$src))]>;
def rm : I3DNow_conv<opc, MRMSrcMem, (ins i64mem:$src), Mn,
[(set VR64:$dst, (!cast<Intrinsic>(
!strconcat("int_x86_3dnow", Ver, "_", Mn))
(bitconvert (load_mmx addr:$src))))]>;
}
defm PAVGUSB : I3DNow_binop_rm_int<0xBF, "pavgusb">;
defm PF2ID : I3DNow_conv_rm_int<0x1D, "pf2id">;
defm PFACC : I3DNow_binop_rm_int<0xAE, "pfacc">;
defm PFADD : I3DNow_binop_rm_int<0x9E, "pfadd">;
defm PFCMPEQ : I3DNow_binop_rm_int<0xB0, "pfcmpeq">;
defm PFCMPGE : I3DNow_binop_rm_int<0x90, "pfcmpge">;
defm PFCMPGT : I3DNow_binop_rm_int<0xA0, "pfcmpgt">;
defm PFMAX : I3DNow_binop_rm_int<0xA4, "pfmax">;
defm PFMIN : I3DNow_binop_rm_int<0x94, "pfmin">;
defm PFMUL : I3DNow_binop_rm_int<0xB4, "pfmul">;
defm PFRCP : I3DNow_conv_rm_int<0x96, "pfrcp">;
defm PFRCPIT1 : I3DNow_binop_rm_int<0xA6, "pfrcpit1">;
defm PFRCPIT2 : I3DNow_binop_rm_int<0xB6, "pfrcpit2">;
defm PFRSQIT1 : I3DNow_binop_rm_int<0xA7, "pfrsqit1">;
defm PFRSQRT : I3DNow_conv_rm_int<0x97, "pfrsqrt">;
defm PFSUB : I3DNow_binop_rm_int<0x9A, "pfsub">;
defm PFSUBR : I3DNow_binop_rm_int<0xAA, "pfsubr">;
defm PI2FD : I3DNow_conv_rm_int<0x0D, "pi2fd">;
defm PMULHRW : I3DNow_binop_rm_int<0xB7, "pmulhrw">;
def FEMMS : I3DNow<0x0E, RawFrm, (outs), (ins), "femms", [(int_x86_mmx_femms)]>;
def PREFETCH : I3DNow<0x0D, MRM0m, (outs), (ins i32mem:$addr),
"prefetch $addr", []>;
// FIXME: Diassembler gets a bogus decode conflict.
let isAsmParserOnly = 1 in
def PREFETCHW : I3DNow<0x0D, MRM1m, (outs), (ins i16mem:$addr),
"prefetchw $addr", []>;
// "3DNowA" instructions
defm PF2IW : I3DNow_conv_rm_int<0x1C, "pf2iw", "a">;
defm PI2FW : I3DNow_conv_rm_int<0x0C, "pi2fw", "a">;
defm PFNACC : I3DNow_binop_rm_int<0x8A, "pfnacc", "a">;
defm PFPNACC : I3DNow_binop_rm_int<0x8E, "pfpnacc", "a">;
defm PSWAPD : I3DNow_conv_rm_int<0xBB, "pswapd", "a">;