From: Akira Hatanaka <ahatanaka@mips.com>
Date: Fri, 30 Sep 2011 02:08:54 +0000 (+0000)
Subject: Mips64 arithmetic and logical instructions with one source register and
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f549ab78533cfb7a22a88216f20d69edfcee3cc9;p=oota-llvm.git

Mips64 arithmetic and logical instructions with one source register and
immediate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140839 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/Mips/Mips64InstrInfo.td b/lib/Target/Mips/Mips64InstrInfo.td
index 764669e1aad..a42b404d132 100644
--- a/lib/Target/Mips/Mips64InstrInfo.td
+++ b/lib/Target/Mips/Mips64InstrInfo.td
@@ -17,6 +17,18 @@
 def HasMips64    : Predicate<"Subtarget.hasMips64()">;
 def HasMips64r2  : Predicate<"Subtarget.hasMips64r2()">;
 
+//===----------------------------------------------------------------------===//
+// Mips Operand, Complex Patterns and Transformations Definitions.
+//===----------------------------------------------------------------------===//
+
+// Instruction operand types
+def simm16_64      : Operand<i64>;
+
+// Unsigned Operand
+def uimm16_64      : Operand<i64> {
+  let PrintMethod = "printUnsignedImm";
+}
+
 //===----------------------------------------------------------------------===//
 // Instructions specific format
 //===----------------------------------------------------------------------===//
@@ -30,6 +42,13 @@ class ArithR64<bits<6> op, bits<6> func, string instr_asm, SDNode OpNode,
   let isCommutable = isComm;
 }
 
+// Arithmetic 2 register operands
+class ArithI64<bits<6> op, string instr_asm, SDNode OpNode,
+               Operand Od, PatLeaf imm_type> :
+  FI<op, (outs CPU64Regs:$dst), (ins CPU64Regs:$b, Od:$c),
+     !strconcat(instr_asm, "\t$dst, $b, $c"),
+     [(set CPU64Regs:$dst, (OpNode CPU64Regs:$b, imm_type:$c))], IIAlu>;
+
 //  Logical
 let isCommutable = 1 in
 class LogicR64<bits<6> func, string instr_asm, SDNode OpNode>:
@@ -37,10 +56,21 @@ class LogicR64<bits<6> func, string instr_asm, SDNode OpNode>:
      !strconcat(instr_asm, "\t$dst, $b, $c"),
      [(set CPU64Regs:$dst, (OpNode CPU64Regs:$b, CPU64Regs:$c))], IIAlu>;
 
+class LogicI64<bits<6> op, string instr_asm, SDNode OpNode>:
+  FI<op, (outs CPU64Regs:$dst), (ins CPU64Regs:$b, uimm16_64:$c),
+     !strconcat(instr_asm, "\t$dst, $b, $c"),
+     [(set CPU64Regs:$dst, (OpNode CPU64Regs:$b, immZExt16:$c))], IIAlu>;
+
 //===----------------------------------------------------------------------===//
 // Instruction definition
 //===----------------------------------------------------------------------===//
 
+/// Arithmetic Instructions (ALU Immediate)
+def DADDiu   : ArithI64<0x19, "daddiu", add, simm16_64, immSExt16>;
+def DANDi    : LogicI64<0x0c, "andi", and>;
+def DORi     : LogicI64<0x0d, "ori",  or>;
+def DXORi    : LogicI64<0x0e, "xori",  xor>;
+
 /// Arithmetic Instructions (3-Operand, R-Type)
 def DADDu    : ArithR64<0x00, 0x2d, "daddu", add, IIAlu, 1>;
 def DSUBu    : ArithR64<0x00, 0x2f, "dsubu", sub, IIAlu, 1>;
diff --git a/test/CodeGen/Mips/mips64instrs.ll b/test/CodeGen/Mips/mips64instrs.ll
index 1adf1379f68..8cbb5b947e4 100644
--- a/test/CodeGen/Mips/mips64instrs.ll
+++ b/test/CodeGen/Mips/mips64instrs.ll
@@ -34,3 +34,39 @@ entry:
   %xor = xor i64 %a1, %a0
   ret i64 %xor
 }
+
+define i64 @f7(i64 %a0) nounwind readnone {
+entry:
+; CHECK: daddiu
+  %add = add nsw i64 %a0, 20
+  ret i64 %add
+}
+
+define i64 @f8(i64 %a0) nounwind readnone {
+entry:
+; CHECK: daddiu
+  %sub = add nsw i64 %a0, -20
+  ret i64 %sub
+}
+
+define i64 @f9(i64 %a0) nounwind readnone {
+entry:
+; CHECK: andi
+  %and = and i64 %a0, 20
+  ret i64 %and
+}
+
+define i64 @f10(i64 %a0) nounwind readnone {
+entry:
+; CHECK: ori
+  %or = or i64 %a0, 20
+  ret i64 %or
+}
+
+define i64 @f11(i64 %a0) nounwind readnone {
+entry:
+; CHECK: xori
+  %xor = xor i64 %a0, 20
+  ret i64 %xor
+}
+