let ParserMatchClass = InputModsMatchClass;
}
-class getNumSrcArgs<ValueType Src1, ValueType Src2> {
+class getNumSrcArgs<ValueType Src0, ValueType Src1, ValueType Src2> {
int ret =
- !if (!eq(Src1.Value, untyped.Value), 1, // VOP1
+ !if (!eq(Src0.Value, untyped.Value), 0,
+ !if (!eq(Src1.Value, untyped.Value), 1, // VOP1
!if (!eq(Src2.Value, untyped.Value), 2, // VOP2
- 3)); // VOP3
+ 3))); // VOP3
}
// Returns the register class to use for the destination of VOP[123C]
// Returns the assembly string for the inputs and outputs of a VOP[12C]
// instruction. This does not add the _e32 suffix, so it can be reused
// by getAsm64.
-class getAsm32 <int NumSrcArgs> {
+class getAsm32 <bit HasDst, int NumSrcArgs> {
+ string dst = "$dst";
+ string src0 = ", $src0";
string src1 = ", $src1";
string src2 = ", $src2";
- string ret = "$dst, $src0"#
- !if(!eq(NumSrcArgs, 1), "", src1)#
- !if(!eq(NumSrcArgs, 3), src2, "");
+ string ret = !if(HasDst, dst, "") #
+ !if(!eq(NumSrcArgs, 1), src0, "") #
+ !if(!eq(NumSrcArgs, 2), src0#src1, "") #
+ !if(!eq(NumSrcArgs, 3), src0#src1#src2, "");
}
// Returns the assembly string for the inputs and outputs of a VOP3
// instruction.
-class getAsm64 <int NumSrcArgs, bit HasModifiers> {
+class getAsm64 <bit HasDst, int NumSrcArgs, bit HasModifiers> {
string src0 = !if(!eq(NumSrcArgs, 1), "$src0_modifiers", "$src0_modifiers,");
string src1 = !if(!eq(NumSrcArgs, 1), "",
!if(!eq(NumSrcArgs, 2), " $src1_modifiers",
string src2 = !if(!eq(NumSrcArgs, 3), " $src2_modifiers", "");
string ret =
!if(!eq(HasModifiers, 0),
- getAsm32<NumSrcArgs>.ret,
+ getAsm32<HasDst, NumSrcArgs>.ret,
"$dst, "#src0#src1#src2#"$clamp"#"$omod");
}
field RegisterOperand Src1RC64 = getVOP3SrcForVT<Src1VT>.ret;
field RegisterOperand Src2RC64 = getVOP3SrcForVT<Src2VT>.ret;
- field int NumSrcArgs = getNumSrcArgs<Src1VT, Src2VT>.ret;
+ field bit HasDst = !if(!eq(DstVT.Value, untyped.Value), 0, 1);
+ field bit HasDst32 = HasDst;
+ field int NumSrcArgs = getNumSrcArgs<Src0VT, Src1VT, Src2VT>.ret;
field bit HasModifiers = hasModifiers<Src0VT>.ret;
- field dag Outs = (outs DstRC:$dst);
+ field dag Outs = !if(HasDst,(outs DstRC:$dst),(outs));
// VOP3b instructions are a special case with a second explicit
// output. This is manually overridden for them.
field dag Ins64 = getIns64<Src0RC64, Src1RC64, Src2RC64, NumSrcArgs,
HasModifiers>.ret;
- field string Asm32 = getAsm32<NumSrcArgs>.ret;
- field string Asm64 = getAsm64<NumSrcArgs, HasModifiers>.ret;
+ field string Asm32 = getAsm32<HasDst, NumSrcArgs>.ret;
+ field string Asm64 = getAsm64<HasDst, NumSrcArgs, HasModifiers>.ret;
}
// FIXME: I think these F16/I16 profiles will need to use f16/i16 types in order
def VOP_F16_F16_I16 : VOPProfile <[f16, f16, i32, untyped]>;
def VOP_I16_I16_I16 : VOPProfile <[i32, i32, i32, untyped]>;
+def VOP_NONE : VOPProfile <[untyped, untyped, untyped, untyped]>;
+
def VOP_F32_F32 : VOPProfile <[f32, f32, untyped, untyped]>;
def VOP_F32_F64 : VOPProfile <[f32, f64, untyped, untyped]>;
def VOP_F32_I32 : VOPProfile <[f32, i32, untyped, untyped]>;
// Write out to vcc or arbitrary SGPR and read in from vcc or
// arbitrary SGPR.
def VOP2b_I32_I1_I32_I32_I1 : VOPProfile<[i32, i32, i32, i1]> {
+ // We use VCSrc_32 to exclude literal constants, even though the
+ // encoding normally allows them since the implicit VCC use means
+ // using one would always violate the constant bus
+ // restriction. SGPRs are still allowed because it should
+ // technically be possible to use VCC again as src0.
let Src0RC32 = VCSrc_32;
let Asm32 = "$dst, vcc, $src0, $src1, vcc";
let Asm64 = "$dst, $sdst, $src0, $src1, $src2";
// an explicit $dst.
class VOPC_Profile<ValueType vt0, ValueType vt1 = vt0> : VOPProfile <[i1, vt0, vt1, untyped]> {
let Asm32 = "vcc, $src0, $src1";
+ // The destination for 32-bit encoding is implicit.
+ let HasDst32 = 0;
}
class VOPC_Class_Profile<ValueType vt> : VOPC_Profile<vt, i32> {
let Ins32 = (ins Src0RC32:$src0, Src1RC32:$src1, VGPR_32:$src2);
let Ins64 = getIns64<Src0RC64, Src1RC64, RegisterOperand<VGPR_32>, 3,
HasModifiers>.ret;
- let Asm32 = getAsm32<2>.ret;
- let Asm64 = getAsm64<2, HasModifiers>.ret;
+ let Asm32 = getAsm32<1, 2>.ret;
+ let Asm64 = getAsm64<1, 2, HasModifiers>.ret;
}
def VOP_F64_F64_F64_F64 : VOPProfile <[f64, f64, f64, f64]>;
def VOP_I32_I32_I32_I32 : VOPProfile <[i32, i32, i32, i32]>;
def VOP_I64_I32_I32_I64 : VOPProfile <[i64, i32, i32, i64]>;
-class SIInstAlias <string asm, dag result> : InstAlias <asm, result>,
- PredicateControl {
+class SIInstAlias <string asm, Instruction inst, VOPProfile p> :
+ InstAlias <asm, (inst)>, PredicateControl {
+
field bit isCompare;
field bit isCommutable;
+
+ let ResultInst =
+ !if (p.HasDst32,
+ !if (!eq(p.NumSrcArgs, 0),
+ // 1 dst, 0 src
+ (inst p.DstRC:$dst),
+ !if (!eq(p.NumSrcArgs, 1),
+ // 1 dst, 1 src
+ (inst p.DstRC:$dst, p.Src0RC32:$src0),
+ !if (!eq(p.NumSrcArgs, 2),
+ // 1 dst, 2 src
+ (inst p.DstRC:$dst, p.Src0RC32:$src0, p.Src1RC32:$src1),
+ // else - unreachable
+ (inst)))),
+ // else
+ !if (!eq(p.NumSrcArgs, 2),
+ // 0 dst, 2 src
+ (inst p.Src0RC32:$src0, p.Src1RC32:$src1),
+ !if (!eq(p.NumSrcArgs, 1),
+ // 0 dst, 1 src
+ (inst p.Src0RC32:$src1),
+ // else
+ // 0 dst, 0 src
+ (inst))));
+}
+
+class SIInstAliasSI <string asm, string op_name, VOPProfile p> :
+ SIInstAlias <asm, !cast<Instruction>(op_name#"_e32_si"), p> {
+ let AssemblerPredicate = SIAssemblerPredicate;
+}
+
+class SIInstAliasVI <string asm, string op_name, VOPProfile p> :
+ SIInstAlias <asm, !cast<Instruction>(op_name#"_e32_vi"), p> {
+ let AssemblerPredicates = [isVI];
+}
+
+multiclass SIInstAliasBuilder <string asm, VOPProfile p> {
+
+ def : SIInstAliasSI <asm, NAME, p>;
+
+ def : SIInstAliasVI <asm, NAME, p>;
}
class VOP <string opName> {
MnemonicAlias<opName#"_e64", opName> {
let isPseudo = 1;
let isCodeGenOnly = 1;
+
+ field bit vdst;
+ field bit src0;
}
class VOP3_Real_si <bits<9> op, dag outs, dag ins, string asm, string opName> :
let SchedRW = sched;
}
- def : SIInstAlias <
- alias_asm,
- (!cast<Instruction>(NAME#"_e32_si") p.Src0RC32:$src0, p.Src1RC32:$src1)
- >;
-
} // End AssemblerPredicates = [isSICI]
let AssemblerPredicates = [isVI] in {
let SchedRW = sched;
}
- def : SIInstAlias <
- alias_asm,
- (!cast<Instruction>(NAME#"_e32_vi") p.Src0RC32:$src0, p.Src1RC32:$src1)
- >;
} // End AssemblerPredicates = [isVI]
+
+ defm : SIInstAliasBuilder<alias_asm, p>;
}
multiclass VOPC_Helper <vopc op, string opName,
projects / oota-llvm.git / blobdiff