Use Evan's outflag stuff to implement V8cmpicc. This allows us to write a
pattern for SUBCCrr, and makes it trivial to add support for SUBCCri, eliminating
an instruction in the common "setcc X, imm" case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25212 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/SparcInstrInfo.td b/lib/Target/Sparc/SparcInstrInfo.td
index bbba1fc..6314aba 100644
--- a/lib/Target/Sparc/SparcInstrInfo.td
+++ b/lib/Target/Sparc/SparcInstrInfo.td
@@ -59,8 +59,6 @@
def brtarget : Operand<OtherVT>;
def calltarget : Operand<i32>;
-def SDTV8cmpicc :
-SDTypeProfile<1, 2, [SDTCisVT<0, FlagVT>, SDTCisInt<1>, SDTCisSameAs<1, 2>]>;
def SDTV8cmpfcc :
SDTypeProfile<1, 2, [SDTCisVT<0, FlagVT>, SDTCisFP<1>, SDTCisSameAs<1, 2>]>;
def SDTV8brcc :
@@ -74,7 +72,8 @@
def SDTV8ITOF :
SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisVT<1, f32>]>;
-def V8cmpicc : SDNode<"V8ISD::CMPICC", SDTV8cmpicc>;
+def V8cmpicc : SDNode<"V8ISD::CMPICC", SDTIntBinOp,
+ [SDNPCommutative, SDNPOutFlag]>;
def V8cmpfcc : SDNode<"V8ISD::CMPFCC", SDTV8cmpfcc>;
def V8bricc : SDNode<"V8ISD::BRICC", SDTV8brcc, [SDNPHasChain]>;
def V8brfcc : SDNode<"V8ISD::BRFCC", SDTV8brcc, [SDNPHasChain]>;
@@ -405,10 +404,12 @@
"subx $b, $c, $dst", []>;
def SUBCCrr : F3_1<2, 0b010100,
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
- "subcc $b, $c, $dst", []>;
+ "subcc $b, $c, $dst",
+ [(set IntRegs:$dst, (V8cmpicc IntRegs:$b, IntRegs:$c))]>;
def SUBCCri : F3_2<2, 0b010100,
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
- "subcc $b, $c, $dst", []>;
+ "subcc $b, $c, $dst",
+ [(set IntRegs:$dst, (V8cmpicc IntRegs:$b, simm13:$c))]>;
def SUBXCCrr: F3_1<2, 0b011100,
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
"subxcc $b, $c, $dst", []>;