// IsS390xCMP reports whether the op (as defined by an s390x.A* constant) is
// one of the CMP instructions that require special handling.
public static bool IsS390xCMP(obj.As op)
{
if (op == s390x.ACMP || op == s390x.ACMPU || op == s390x.ACMPW || op == s390x.ACMPWU)
{
return(true);
}
return(false);
}
// IsPPC64NEG reports whether the op (as defined by an ppc64.A* constant) is
// one of the NEG-like instructions that require special handling.
public static bool IsPPC64NEG(obj.As op)
{
if (op == ppc64.AADDMECC || op == ppc64.AADDMEVCC || op == ppc64.AADDMEV || op == ppc64.AADDME || op == ppc64.AADDZECC || op == ppc64.AADDZEVCC || op == ppc64.AADDZEV || op == ppc64.AADDZE || op == ppc64.ACNTLZDCC || op == ppc64.ACNTLZD || op == ppc64.ACNTLZWCC || op == ppc64.ACNTLZW || op == ppc64.AEXTSBCC || op == ppc64.AEXTSB || op == ppc64.AEXTSHCC || op == ppc64.AEXTSH || op == ppc64.AEXTSWCC || op == ppc64.AEXTSW || op == ppc64.ANEGCC || op == ppc64.ANEGVCC || op == ppc64.ANEGV || op == ppc64.ANEG || op == ppc64.ASLBMFEE || op == ppc64.ASLBMFEV || op == ppc64.ASLBMTE || op == ppc64.ASUBMECC || op == ppc64.ASUBMEVCC || op == ppc64.ASUBMEV || op == ppc64.ASUBME || op == ppc64.ASUBZECC || op == ppc64.ASUBZEVCC || op == ppc64.ASUBZEV || op == ppc64.ASUBZE)
{
return(true);
}
return(false);
}
// IsS390xNEG reports whether the op (as defined by an s390x.A* constant) is
// one of the NEG-like instructions that require special handling.
public static bool IsS390xNEG(obj.As op)
{
if (op == s390x.ANEG || op == s390x.ANEGW)
{
return(true);
}
return(false);
}
// IsRISCV64AMO reports whether the op (as defined by a riscv.A*
// constant) is one of the AMO instructions that requires special
// handling.
public static bool IsRISCV64AMO(obj.As op)
{
if (op == riscv.ASCW || op == riscv.ASCD || op == riscv.AAMOSWAPW || op == riscv.AAMOSWAPD || op == riscv.AAMOADDW || op == riscv.AAMOADDD || op == riscv.AAMOANDW || op == riscv.AAMOANDD || op == riscv.AAMOORW || op == riscv.AAMOORD || op == riscv.AAMOXORW || op == riscv.AAMOXORD || op == riscv.AAMOMINW || op == riscv.AAMOMIND || op == riscv.AAMOMINUW || op == riscv.AAMOMINUD || op == riscv.AAMOMAXW || op == riscv.AAMOMAXD || op == riscv.AAMOMAXUW || op == riscv.AAMOMAXUD)
{
return(true);
}
return(false);
}
// IsPPC64CMP reports whether the op (as defined by an ppc64.A* constant) is
// one of the CMP instructions that require special handling.
public static bool IsPPC64CMP(obj.As op)
{
if (op == ppc64.ACMP || op == ppc64.ACMPU || op == ppc64.ACMPW || op == ppc64.ACMPWU || op == ppc64.AFCMPU)
{
return(true);
}
return(false);
}
// IsMIPSMUL reports whether the op (as defined by an mips.A* constant) is
// one of the MUL/DIV/REM instructions that require special handling.
public static bool IsMIPSMUL(obj.As op)
{
if (op == mips.AMUL || op == mips.AMULU || op == mips.AMULV || op == mips.AMULVU || op == mips.ADIV || op == mips.ADIVU || op == mips.ADIVV || op == mips.ADIVVU || op == mips.AREM || op == mips.AREMU || op == mips.AREMV || op == mips.AREMVU)
{
return(true);
}
return(false);
}
// IsMIPSCMP reports whether the op (as defined by an mips.A* constant) is
// one of the CMP instructions that require special handling.
public static bool IsMIPSCMP(obj.As op)
{
if (op == mips.ACMPEQF || op == mips.ACMPEQD || op == mips.ACMPGEF || op == mips.ACMPGED || op == mips.ACMPGTF || op == mips.ACMPGTD)
{
return(true);
}
return(false);
}
// IsPPC64RLD reports whether the op (as defined by an ppc64.A* constant) is
// one of the RLD-like instructions that require special handling.
// The FMADD-like instructions behave similarly.
public static bool IsPPC64RLD(obj.As op)
{
if (op == ppc64.ARLDC || op == ppc64.ARLDCCC || op == ppc64.ARLDCL || op == ppc64.ARLDCLCC || op == ppc64.ARLDCR || op == ppc64.ARLDCRCC || op == ppc64.ARLDMI || op == ppc64.ARLDMICC || op == ppc64.ARLWMI || op == ppc64.ARLWMICC || op == ppc64.ARLWNM || op == ppc64.ARLWNMCC)
{
return(true);
}
else if (op == ppc64.AFMADD || op == ppc64.AFMADDCC || op == ppc64.AFMADDS || op == ppc64.AFMADDSCC || op == ppc64.AFMSUB || op == ppc64.AFMSUBCC || op == ppc64.AFMSUBS || op == ppc64.AFMSUBSCC || op == ppc64.AFNMADD || op == ppc64.AFNMADDCC || op == ppc64.AFNMADDS || op == ppc64.AFNMADDSCC || op == ppc64.AFNMSUB || op == ppc64.AFNMSUBCC || op == ppc64.AFNMSUBS || op == ppc64.AFNMSUBSCC)
{
return(true);
}
return(false);
}
// genshift generates a Prog for r = r0 op (r1 shifted by n)
private static ref obj.Prog genshift(ref gc.SSAGenState s, obj.As @as, short r0, short r1, short r, long typ, long n)
{
var p = s.Prog(as);
p.From.Type = obj.TYPE_SHIFT;
p.From.Offset = makeshift(r1, typ, n);
p.Reg = r0;
if (r != 0L)
{
p.To.Type = obj.TYPE_REG;
p.To.Reg = r;
}
return p;
}
// LosesStmtMark reports whether a prog with op as loses its statement mark on the way to DWARF.
// The attributes from some opcodes are lost in translation.
// TODO: this is an artifact of how funcpctab combines information for instructions at a single PC.
// Should try to fix it there.
public static bool LosesStmtMark(obj.As @as)
{
// is_stmt does not work for these; it DOES for ANOP even though that generates no code.
return(as == obj.APCDATA || as == obj.AFUNCDATA);
}
public static bool IsPPC64ISEL(obj.As op)
{
return(op == ppc64.AISEL);
}
public FloatingEQNEJump(obj.As Jump = default, long Index = default)
{
this.Jump = Jump;
this.Index = Index;
}
public opInfo(@string name = default, regInfo reg = default, auxType auxType = default, int argLen = default, obj.As asm = default, bool generic = default, bool rematerializeable = default, bool commutative = default, bool resultInArg0 = default, bool resultNotInArgs = default, bool clobberFlags = default, bool call = default, bool nilCheck = default, bool faultOnNilArg0 = default, bool faultOnNilArg1 = default, bool usesScratch = default, bool hasSideEffects = default, bool zeroWidth = default, bool unsafePoint = default, SymEffect symEffect = default, byte scale = default)
{
this.name = name;
this.reg = reg;
this.auxType = auxType;
this.argLen = argLen;
this.asm = asm;
this.generic = generic;
this.rematerializeable = rematerializeable;
this.commutative = commutative;
this.resultInArg0 = resultInArg0;
this.resultNotInArgs = resultNotInArgs;
this.clobberFlags = clobberFlags;
this.call = call;
this.nilCheck = nilCheck;
this.faultOnNilArg0 = faultOnNilArg0;
this.faultOnNilArg1 = faultOnNilArg1;
this.usesScratch = usesScratch;
this.hasSideEffects = hasSideEffects;
this.zeroWidth = zeroWidth;
this.unsafePoint = unsafePoint;
this.symEffect = symEffect;
this.scale = scale;
}
public IndexJump(obj.As Jump = default, long Index = default)
{
this.Jump = Jump;
this.Index = Index;
}