src/hotspot/share/opto/type.cpp

rev 53028 : 8212043: Add floating-point Math.min/max intrinsics
Summary: Floating-point Math.min() and Math.max() intrinsics are enabled on AArch64 platform
Reviewed-by: adinn, aph

@@ -443,13 +443,17 @@
   BOTTOM  = make(Bottom);       // Everything
   HALF    = make(Half);         // Placeholder half of doublewide type
 
   TypeF::ZERO = TypeF::make(0.0); // Float 0 (positive zero)
   TypeF::ONE  = TypeF::make(1.0); // Float 1
+  TypeF::POS_INF = TypeF::make(1.0/0.0);  // Float positive infinity
+  TypeF::NEG_INF = TypeF::make(-1.0/0.0); // Float negative infinity
 
   TypeD::ZERO = TypeD::make(0.0); // Double 0 (positive zero)
   TypeD::ONE  = TypeD::make(1.0); // Double 1
+  TypeD::POS_INF = TypeD::make(1.0/0.0);  // Double positive infinity
+  TypeD::NEG_INF = TypeD::make(-1.0/0.0); // Double negative infinity
 
   TypeInt::MINUS_1 = TypeInt::make(-1);  // -1
   TypeInt::ZERO    = TypeInt::make( 0);  //  0
   TypeInt::ONE     = TypeInt::make( 1);  //  1
   TypeInt::BOOL    = TypeInt::make(0,1,   WidenMin);  // 0 or 1, FALSE or TRUE.

@@ -1085,10 +1089,12 @@
 
 //=============================================================================
 // Convenience common pre-built types.
 const TypeF *TypeF::ZERO;       // Floating point zero
 const TypeF *TypeF::ONE;        // Floating point one
+const TypeF *TypeF::POS_INF;    // Floating point positive infinity
+const TypeF *TypeF::NEG_INF;    // Floating point negative infinity
 
 //------------------------------make-------------------------------------------
 // Create a float constant
 const TypeF *TypeF::make(float f) {
   return (TypeF*)(new TypeF(f))->hashcons();

@@ -1193,10 +1199,12 @@
 
 //=============================================================================
 // Convenience common pre-built types.
 const TypeD *TypeD::ZERO;       // Floating point zero
 const TypeD *TypeD::ONE;        // Floating point one
+const TypeD *TypeD::POS_INF;    // Floating point positive infinity
+const TypeD *TypeD::NEG_INF;    // Floating point negative infinity
 
 //------------------------------make-------------------------------------------
 const TypeD *TypeD::make(double d) {
   return (TypeD*)(new TypeD(d))->hashcons();
 }