Try to factorize the specification of saturating add/subtract operations a bit,

as suggested by Bob Wilson.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96153 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 36 insertions, 51 deletions

diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 1df96e8260..c73321564b 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -1360,76 +1360,61 @@ def : ARMPat<(add    GPR:$src, so_imm_neg:$imm),
 
 // Saturating adds/subtracts -- for disassembly only
 
-class AQI<bits<8> op27_20, bits<4> op7_4, dag oops, dag iops, Format f,
-          InstrItinClass itin, string opc, string asm, list<dag> pattern>
-  : AI<oops, iops, f, itin, opc, asm, pattern> {
+// GPR:$dst = GPR:$a op GPR:$b
+class AQI<bits<8> op27_20, bits<4> op7_4, string opc, list<dag> pattern>
+  : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
+       opc, "\t$dst, $a, $b", pattern> {
   let Inst{27-20} = op27_20;
   let Inst{7-4} = op7_4;
 }
 
-def QADD : AQI<0b00010000, 0b0101, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
-               IIC_iALUr, "qadd", "\t$dst, $a, $b",
-               [/* For disassembly only; pattern left blank */]>;
+def QADD    : AQI<0b00010000, 0b0101, "qadd",
+                  [/* For disassembly only; pattern left blank */]>;
 
-def QADD16 : AQI<0b01100010, 0b0001,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
-               IIC_iALUr, "qadd16", "\t$dst, $a, $b",
-               [/* For disassembly only; pattern left blank */]>;
+def QADD16  : AQI<0b01100010, 0b0001, "qadd16",
+                  [/* For disassembly only; pattern left blank */]>;
 
-def QADD8 : AQI<0b01100010, 0b1001, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
-               IIC_iALUr, "qadd8", "\t$dst, $a, $b",
-               [/* For disassembly only; pattern left blank */]>;
+def QADD8   : AQI<0b01100010, 0b1001, "qadd8",
+                  [/* For disassembly only; pattern left blank */]>;
 
-def QASX : AQI<0b01100010, 0b0011, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
-               IIC_iALUr, "qasx", "\t$dst, $a, $b",
-               [/* For disassembly only; pattern left blank */]>;
+def QASX    : AQI<0b01100010, 0b0011, "qasx",
+                  [/* For disassembly only; pattern left blank */]>;
 
-def QDADD : AQI<0b00010100, 0b0101,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
-               IIC_iALUr, "qdadd", "\t$dst, $a, $b",
-               [/* For disassembly only; pattern left blank */]>;
+def QDADD   : AQI<0b00010100, 0b0101, "qdadd",
+                  [/* For disassembly only; pattern left blank */]>;
 
-def QDSUB : AQI<0b00010110, 0b0101,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
-               IIC_iALUr, "qdsub", "\t$dst, $a, $b",
-               [/* For disassembly only; pattern left blank */]>;
+def QDSUB   : AQI<0b00010110, 0b0101, "qdsub",
+                  [/* For disassembly only; pattern left blank */]>;
 
-def QSAX : AQI<0b01100010, 0b0101, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
-               IIC_iALUr, "qsax", "\t$dst, $a, $b",
-               [/* For disassembly only; pattern left blank */]>;
+def QSAX    : AQI<0b01100010, 0b0101, "qsax",
+                  [/* For disassembly only; pattern left blank */]>;
 
-def QSUB : AQI<0b00010010, 0b0101, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
-               IIC_iALUr, "qsub", "\t$dst, $a, $b",
-               [/* For disassembly only; pattern left blank */]>;
+def QSUB    : AQI<0b00010010, 0b0101, "qsub",
+                  [/* For disassembly only; pattern left blank */]>;
 
-def QSUB16 : AQI<0b01100010, 0b0111,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
-               IIC_iALUr, "qsub16", "\t$dst, $a, $b",
-               [/* For disassembly only; pattern left blank */]>;
+def QSUB16  : AQI<0b01100010, 0b0111, "qsub16",
+                  [/* For disassembly only; pattern left blank */]>;
 
-def QSUB8 : AQI<0b01100010, 0b1111,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
-               IIC_iALUr, "qsub8", "\t$dst, $a, $b",
-               [/* For disassembly only; pattern left blank */]>;
+def QSUB8   : AQI<0b01100010, 0b1111, "qsub8",
+                  [/* For disassembly only; pattern left blank */]>;
 
-def UQADD16 : AQI<0b01100110, 0b0001,(outs GPR:$dst),(ins GPR:$a, GPR:$b),DPFrm,
-               IIC_iALUr, "uqadd16", "\t$dst, $a, $b",
-               [/* For disassembly only; pattern left blank */]>;
+def UQADD16 : AQI<0b01100110, 0b0001, "uqadd16",
+                  [/* For disassembly only; pattern left blank */]>;
 
-def UQADD8 : AQI<0b01100110, 0b1001,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
-               IIC_iALUr, "uqadd8", "\t$dst, $a, $b",
-               [/* For disassembly only; pattern left blank */]>;
+def UQADD8  : AQI<0b01100110, 0b1001, "uqadd8",
+                  [/* For disassembly only; pattern left blank */]>;
 
-def UQASX : AQI<0b01100110, 0b0011, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
-               IIC_iALUr, "uqasx", "\t$dst, $a, $b",
-               [/* For disassembly only; pattern left blank */]>;
+def UQASX   : AQI<0b01100110, 0b0011, "uqasx",
+                  [/* For disassembly only; pattern left blank */]>;
 
-def UQSAX : AQI<0b01100110, 0b0101, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
-               IIC_iALUr, "uqsax", "\t$dst, $a, $b",
-               [/* For disassembly only; pattern left blank */]>;
+def UQSAX   : AQI<0b01100110, 0b0101, "uqsax",
+                  [/* For disassembly only; pattern left blank */]>;
 
-def UQSUB16 : AQI<0b01100110, 0b0111,(outs GPR:$dst),(ins GPR:$a, GPR:$b),DPFrm,
-               IIC_iALUr, "uqsub16", "\t$dst, $a, $b",
-               [/* For disassembly only; pattern left blank */]>;
+def UQSUB16 : AQI<0b01100110, 0b0111, "uqsub16",
+                  [/* For disassembly only; pattern left blank */]>;
 
-def UQSUB8 : AQI<0b01100110, 0b1111,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
-               IIC_iALUr, "uqsub8", "\t$dst, $a, $b",
-               [/* For disassembly only; pattern left blank */]>;
+def UQSUB8  : AQI<0b01100110, 0b1111, "uqsub8",
+                  [/* For disassembly only; pattern left blank */]>;
 
 //===----------------------------------------------------------------------===//
 //  Bitwise Instructions.