multiclass CMP32_rr_ri_s10<string OpcStr, string CextOp, PatFrag OpNode> {
let CextOpcode = CextOp in {
- let InputType = "reg" in
- def rr : ALU32_rr<(outs PredRegs:$dst), (ins IntRegs:$b, IntRegs:$c),
- !strconcat("$dst = ", !strconcat(OpcStr, "($b, $c)")),
- [(set (i1 PredRegs:$dst),
- (OpNode (i32 IntRegs:$b), (i32 IntRegs:$c)))]>;
-
let isExtendable = 1, opExtendable = 2, isExtentSigned = 1,
opExtentBits = 10, InputType = "imm" in
def ri : ALU32_ri<(outs PredRegs:$dst), (ins IntRegs:$b, s10Ext:$c),
multiclass CMP32_rr_ri_u9<string OpcStr, string CextOp, PatFrag OpNode> {
let CextOpcode = CextOp in {
- let InputType = "reg" in
- def rr : ALU32_rr<(outs PredRegs:$dst), (ins IntRegs:$b, IntRegs:$c),
- !strconcat("$dst = ", !strconcat(OpcStr, "($b, $c)")),
- [(set (i1 PredRegs:$dst),
- (OpNode (i32 IntRegs:$b), (i32 IntRegs:$c)))]>;
-
let isExtendable = 1, opExtendable = 2, isExtentSigned = 0,
opExtentBits = 9, InputType = "imm" in
def ri : ALU32_ri<(outs PredRegs:$dst), (ins IntRegs:$b, u9Ext:$c),
// ALU32/PRED +
//===----------------------------------------------------------------------===//
+
+let hasSideEffects = 0, hasNewValue = 1, isCompare = 1, InputType = "reg" in
+class T_ALU32_3op_cmp<string mnemonic, bits<2> MinOp, bit IsNeg, bit IsComm>
+ : ALU32_rr<(outs PredRegs:$Pd), (ins IntRegs:$Rs, IntRegs:$Rt),
+ "$Pd = "#mnemonic#"($Rs, $Rt)",
+ [], "", ALU32_3op_tc_1_SLOT0123>, ImmRegRel {
+ let CextOpcode = mnemonic;
+ let isCommutable = IsComm;
+ bits<5> Rs;
+ bits<5> Rt;
+ bits<2> Pd;
+
+ let IClass = 0b1111;
+ let Inst{27-24} = 0b0010;
+ let Inst{22-21} = MinOp;
+ let Inst{20-16} = Rs;
+ let Inst{12-8} = Rt;
+ let Inst{4} = IsNeg;
+ let Inst{3-2} = 0b00;
+ let Inst{1-0} = Pd;
+}
+
+let Itinerary = ALU32_3op_tc_2early_SLOT0123 in {
+ def C2_cmpeq : T_ALU32_3op_cmp< "cmp.eq", 0b00, 0, 1>;
+ def C2_cmpgt : T_ALU32_3op_cmp< "cmp.gt", 0b10, 0, 0>;
+ def C2_cmpgtu : T_ALU32_3op_cmp< "cmp.gtu", 0b11, 0, 0>;
+}
+
+// Patfrag to convert the usual comparison patfrags (e.g. setlt) to ones
+// that reverse the order of the operands.
+class RevCmp<PatFrag F> : PatFrag<(ops node:$rhs, node:$lhs), F.Fragment>;
+
+// Pats for compares. They use PatFrags as operands, not SDNodes,
+// since seteq/setgt/etc. are defined as ParFrags.
+class T_cmp32_rr_pat<InstHexagon MI, PatFrag Op, ValueType VT>
+ : Pat<(VT (Op (i32 IntRegs:$Rs), (i32 IntRegs:$Rt))),
+ (VT (MI IntRegs:$Rs, IntRegs:$Rt))>;
+
+def: T_cmp32_rr_pat<C2_cmpeq, seteq, i1>;
+def: T_cmp32_rr_pat<C2_cmpgt, setgt, i1>;
+def: T_cmp32_rr_pat<C2_cmpgtu, setugt, i1>;
+
+def: T_cmp32_rr_pat<C2_cmpgt, RevCmp<setlt>, i1>;
+def: T_cmp32_rr_pat<C2_cmpgtu, RevCmp<setult>, i1>;
+
// Compare.
defm CMPGTU : CMP32_rr_ri_u9<"cmp.gtu", "CMPGTU", setugt>, ImmRegRel;
defm CMPGT : CMP32_rr_ri_s10<"cmp.gt", "CMPGT", setgt>, ImmRegRel;
def : Pat <(add (i1 PredRegs:$src1), -1),
(NOT_p (i1 PredRegs:$src1))>;
-// Map from p0 = setlt(r0, r1) r2 = mux(p0, r3, r4) =>
-// p0 = cmp.lt(r0, r1), r0 = mux(p0, r2, r1).
-// cmp.lt(r0, r1) -> cmp.gt(r1, r0)
-def : Pat <(select (i1 (setlt (i32 IntRegs:$src1), (i32 IntRegs:$src2))),
- (i32 IntRegs:$src3),
- (i32 IntRegs:$src4)),
- (i32 (TFR_condset_rr (CMPGTrr (i32 IntRegs:$src2), (i32 IntRegs:$src1)),
- (i32 IntRegs:$src4), (i32 IntRegs:$src3)))>,
- Requires<[HasV2TOnly]>;
-
// Map from p0 = pnot(p0); r0 = mux(p0, #i, #j) => r0 = mux(p0, #j, #i).
def : Pat <(select (not (i1 PredRegs:$src1)), s8ImmPred:$src2, s8ImmPred:$src3),
(i32 (TFR_condset_ii (i1 PredRegs:$src1), s8ImmPred:$src3,
// Map brcond with an unsupported setcc to a JMP_f.
def : Pat <(brcond (i1 (setne (i32 IntRegs:$src1), (i32 IntRegs:$src2))),
bb:$offset),
- (JMP_f (CMPEQrr (i32 IntRegs:$src1), (i32 IntRegs:$src2)),
+ (JMP_f (C2_cmpeq (i32 IntRegs:$src1), (i32 IntRegs:$src2)),
bb:$offset)>;
def : Pat <(brcond (i1 (setne (i32 IntRegs:$src1), s10ImmPred:$src2)),
// cmp.lt(r0, r1) -> cmp.gt(r1, r0)
def : Pat <(brcond (i1 (setlt (i32 IntRegs:$src1), (i32 IntRegs:$src2))),
bb:$offset),
- (JMP_t (CMPGTrr (i32 IntRegs:$src2), (i32 IntRegs:$src1)), bb:$offset)>;
+ (JMP_t (C2_cmpgt (i32 IntRegs:$src2), (i32 IntRegs:$src1)), bb:$offset)>;
def : Pat <(brcond (i1 (setuge (i64 DoubleRegs:$src1), (i64 DoubleRegs:$src2))),
bb:$offset),
def : Pat <(brcond (i1 (setule (i32 IntRegs:$src1), (i32 IntRegs:$src2))),
bb:$offset),
- (JMP_f (CMPGTUrr (i32 IntRegs:$src1), (i32 IntRegs:$src2)),
+ (JMP_f (C2_cmpgtu (i32 IntRegs:$src1), (i32 IntRegs:$src2)),
bb:$offset)>;
def : Pat <(brcond (i1 (setule (i64 DoubleRegs:$src1), (i64 DoubleRegs:$src2))),
// rs <= rt -> !(rs > rt).
def : Pat<(i1 (setle (i32 IntRegs:$src1), (i32 IntRegs:$src2))),
- (i1 (NOT_p (CMPGTrr (i32 IntRegs:$src1), (i32 IntRegs:$src2))))>;
+ (i1 (NOT_p (C2_cmpgt (i32 IntRegs:$src1), (i32 IntRegs:$src2))))>;
// Rss <= Rtt -> !(Rss > Rtt).
def : Pat<(i1 (setle (i64 DoubleRegs:$src1), (i64 DoubleRegs:$src2))),
// Map cmpne(Rs) -> !cmpeqe(Rs).
// rs != rt -> !(rs == rt).
def : Pat <(i1 (setne (i32 IntRegs:$src1), (i32 IntRegs:$src2))),
- (i1 (NOT_p (i1 (CMPEQrr (i32 IntRegs:$src1), (i32 IntRegs:$src2)))))>;
+ (i1 (NOT_p (i1 (C2_cmpeq (i32 IntRegs:$src1), (i32 IntRegs:$src2)))))>;
// Convert setne back to xor for hexagon since we compute w/ pred registers.
def : Pat <(i1 (setne (i1 PredRegs:$src1), (i1 PredRegs:$src2))),
// Map cmpge(Rs, Rt) -> !(cmpgt(Rs, Rt).
// rs >= rt -> !(rt > rs).
def : Pat <(i1 (setge (i32 IntRegs:$src1), (i32 IntRegs:$src2))),
- (i1 (NOT_p (i1 (CMPGTrr (i32 IntRegs:$src2), (i32 IntRegs:$src1)))))>;
+ (i1 (NOT_p (i1 (C2_cmpgt (i32 IntRegs:$src2), (i32 IntRegs:$src1)))))>;
// cmpge(Rs, Imm) -> cmpgt(Rs, Imm-1)
def : Pat <(i1 (setge (i32 IntRegs:$src1), s8ExtPred:$src2)),
// rs < rt -> rt > rs.
// We can let assembler map it, or we can do in the compiler itself.
def : Pat <(i1 (setlt (i32 IntRegs:$src1), (i32 IntRegs:$src2))),
- (i1 (CMPGTrr (i32 IntRegs:$src2), (i32 IntRegs:$src1)))>;
+ (i1 (C2_cmpgt (i32 IntRegs:$src2), (i32 IntRegs:$src1)))>;
// Map cmplt(Rss, Rtt) -> cmpgt(Rtt, Rss).
// rss < rtt -> (rtt > rss).
// rs < rt -> rt > rs.
// We can let assembler map it, or we can do in the compiler itself.
def : Pat <(i1 (setult (i32 IntRegs:$src1), (i32 IntRegs:$src2))),
- (i1 (CMPGTUrr (i32 IntRegs:$src2), (i32 IntRegs:$src1)))>;
+ (i1 (C2_cmpgtu (i32 IntRegs:$src2), (i32 IntRegs:$src1)))>;
// Map from cmpltu(Rss, Rdd) -> cmpgtu(Rdd, Rss).
// rs < rt -> rt > rs.
// Generate cmpgeu(Rs, #0) -> cmpeq(Rs, Rs)
def : Pat <(i1 (setuge (i32 IntRegs:$src1), 0)),
- (i1 (CMPEQrr (i32 IntRegs:$src1), (i32 IntRegs:$src1)))>;
+ (i1 (C2_cmpeq (i32 IntRegs:$src1), (i32 IntRegs:$src1)))>;
// Generate cmpgeu(Rs, #u8) -> cmpgtu(Rs, #u8 -1)
def : Pat <(i1 (setuge (i32 IntRegs:$src1), u8ExtPred:$src2)),
// Map from Rs >= Rt -> !(Rt > Rs).
// rs >= rt -> !(rt > rs).
def : Pat <(i1 (setuge (i32 IntRegs:$src1), (i32 IntRegs:$src2))),
- (i1 (NOT_p (CMPGTUrr (i32 IntRegs:$src2), (i32 IntRegs:$src1))))>;
+ (i1 (NOT_p (C2_cmpgtu (i32 IntRegs:$src2), (i32 IntRegs:$src1))))>;
// Map from Rs >= Rt -> !(Rt > Rs).
// rs >= rt -> !(rt > rs).
// Map from cmpleu(Rs, Rt) -> !cmpgtu(Rs, Rt).
// Map from (Rs <= Rt) -> !(Rs > Rt).
def : Pat <(i1 (setule (i32 IntRegs:$src1), (i32 IntRegs:$src2))),
- (i1 (NOT_p (CMPGTUrr (i32 IntRegs:$src1), (i32 IntRegs:$src2))))>;
+ (i1 (NOT_p (C2_cmpgtu (i32 IntRegs:$src1), (i32 IntRegs:$src2))))>;
// Map from cmpleu(Rss, Rtt) -> !cmpgtu(Rss, Rtt-1).
// Map from (Rs <= Rt) -> !(Rs > Rt).