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authorJyotsna Verma <jverma@codeaurora.org>2013-03-26 15:43:57 +0000
committerJyotsna Verma <jverma@codeaurora.org>2013-03-26 15:43:57 +0000
commit7bb9585c6e2528e3e4e928e7691dd97a106e3de0 (patch)
tree3c366ccf57799f92645110eca0ceee08b8ea82be /lib/Target/Hexagon/HexagonInstrInfo.td
parentfdc6177490404b7dac178f24671fb3ea39bae791 (diff)
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Hexagon: Use multiclass for aslh, asrh, sxtb, sxth, zxtb and zxth.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178032 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Hexagon/HexagonInstrInfo.td')
-rw-r--r--lib/Target/Hexagon/HexagonInstrInfo.td76
1 files changed, 48 insertions, 28 deletions
diff --git a/lib/Target/Hexagon/HexagonInstrInfo.td b/lib/Target/Hexagon/HexagonInstrInfo.td
index d7bab200f9..8e1612256d 100644
--- a/lib/Target/Hexagon/HexagonInstrInfo.td
+++ b/lib/Target/Hexagon/HexagonInstrInfo.td
@@ -446,38 +446,58 @@ def MUX_ii : ALU32_ii<(outs IntRegs:$dst), (ins PredRegs:$src1, s8Ext:$src2,
s8ExtPred:$src2,
s8ImmPred:$src3)))]>;
-// Shift halfword.
-let isPredicable = 1 in
-def ASLH : ALU32_rr<(outs IntRegs:$dst), (ins IntRegs:$src1),
- "$dst = aslh($src1)",
- [(set (i32 IntRegs:$dst), (shl 16, (i32 IntRegs:$src1)))]>;
+// ALU32 - aslh, asrh, sxtb, sxth, zxtb, zxth
+multiclass ALU32_2op_Pbase<string mnemonic, bit isNot, bit isPredNew> {
+ let isPredicatedNew = isPredNew in
+ def NAME : ALU32Inst<(outs IntRegs:$dst),
+ (ins PredRegs:$src1, IntRegs:$src2),
+ !if(isNot, "if (!$src1", "if ($src1")#!if(isPredNew,".new) $dst = ",
+ ") $dst = ")#mnemonic#"($src2)">,
+ Requires<[HasV4T]>;
+}
-let isPredicable = 1 in
-def ASRH : ALU32_rr<(outs IntRegs:$dst), (ins IntRegs:$src1),
- "$dst = asrh($src1)",
- [(set (i32 IntRegs:$dst), (sra 16, (i32 IntRegs:$src1)))]>;
+multiclass ALU32_2op_Pred<string mnemonic, bit PredNot> {
+ let isPredicatedFalse = PredNot in {
+ defm _c#NAME : ALU32_2op_Pbase<mnemonic, PredNot, 0>;
+ // Predicate new
+ defm _cdn#NAME : ALU32_2op_Pbase<mnemonic, PredNot, 1>;
+ }
+}
-// Sign extend.
-let isPredicable = 1 in
-def SXTB : ALU32_rr<(outs IntRegs:$dst), (ins IntRegs:$src1),
- "$dst = sxtb($src1)",
- [(set (i32 IntRegs:$dst), (sext_inreg (i32 IntRegs:$src1), i8))]>;
+multiclass ALU32_2op_base<string mnemonic> {
+ let BaseOpcode = mnemonic in {
+ let isPredicable = 1, neverHasSideEffects = 1 in
+ def NAME : ALU32Inst<(outs IntRegs:$dst),
+ (ins IntRegs:$src1),
+ "$dst = "#mnemonic#"($src1)">;
-let isPredicable = 1 in
-def SXTH : ALU32_rr<(outs IntRegs:$dst), (ins IntRegs:$src1),
- "$dst = sxth($src1)",
- [(set (i32 IntRegs:$dst), (sext_inreg (i32 IntRegs:$src1), i16))]>;
-
-// Zero extend.
-let isPredicable = 1, neverHasSideEffects = 1 in
-def ZXTB : ALU32_rr<(outs IntRegs:$dst), (ins IntRegs:$src1),
- "$dst = zxtb($src1)",
- []>;
+ let Predicates = [HasV4T], validSubTargets = HasV4SubT, isPredicated = 1,
+ neverHasSideEffects = 1 in {
+ defm Pt_V4 : ALU32_2op_Pred<mnemonic, 0>;
+ defm NotPt_V4 : ALU32_2op_Pred<mnemonic, 1>;
+ }
+ }
+}
+
+defm ASLH : ALU32_2op_base<"aslh">, PredNewRel;
+defm ASRH : ALU32_2op_base<"asrh">, PredNewRel;
+defm SXTB : ALU32_2op_base<"sxtb">, PredNewRel;
+defm SXTH : ALU32_2op_base<"sxth">, PredNewRel;
+defm ZXTB : ALU32_2op_base<"zxtb">, PredNewRel;
+defm ZXTH : ALU32_2op_base<"zxth">, PredNewRel;
+
+def : Pat <(shl (i32 IntRegs:$src1), (i32 16)),
+ (ASLH IntRegs:$src1)>;
+
+def : Pat <(sra (i32 IntRegs:$src1), (i32 16)),
+ (ASRH IntRegs:$src1)>;
+
+def : Pat <(sext_inreg (i32 IntRegs:$src1), i8),
+ (SXTB IntRegs:$src1)>;
+
+def : Pat <(sext_inreg (i32 IntRegs:$src1), i16),
+ (SXTH IntRegs:$src1)>;
-let isPredicable = 1, neverHasSideEffects = 1 in
-def ZXTH : ALU32_rr<(outs IntRegs:$dst), (ins IntRegs:$src1),
- "$dst = zxth($src1)",
- []>;
//===----------------------------------------------------------------------===//
// ALU32/PERM -
//===----------------------------------------------------------------------===//