aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--lib/Target/Mips/Mips64InstrInfo.td30
-rw-r--r--test/CodeGen/Mips/mips64instrs.ll36
2 files changed, 66 insertions, 0 deletions
diff --git a/lib/Target/Mips/Mips64InstrInfo.td b/lib/Target/Mips/Mips64InstrInfo.td
index 764669e1aa..a42b404d13 100644
--- a/lib/Target/Mips/Mips64InstrInfo.td
+++ b/lib/Target/Mips/Mips64InstrInfo.td
@@ -18,6 +18,18 @@ 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 1adf1379f6..8cbb5b947e 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
+}
+