1.1 --- a/src/share/vm/opto/mulnode.cpp Fri Oct 10 09:47:56 2008 -0700
1.2 +++ b/src/share/vm/opto/mulnode.cpp Tue Oct 14 06:58:58 2008 -0700
1.3 @@ -152,6 +152,14 @@
1.4 if( t1 == Type::BOTTOM || t2 == Type::BOTTOM )
1.5 return bottom_type();
1.6
1.7 +#if defined(IA32)
1.8 + // Can't trust native compilers to properly fold strict double
1.9 + // multiplication with round-to-zero on this platform.
1.10 + if (op == Op_MulD && phase->C->method()->is_strict()) {
1.11 + return TypeD::DOUBLE;
1.12 + }
1.13 +#endif
1.14 +
1.15 return mul_ring(t1,t2); // Local flavor of type multiplication
1.16 }
1.17
1.18 @@ -360,7 +368,7 @@
1.19 // Compute the product type of two double ranges into this node.
1.20 const Type *MulDNode::mul_ring(const Type *t0, const Type *t1) const {
1.21 if( t0 == Type::DOUBLE || t1 == Type::DOUBLE ) return Type::DOUBLE;
1.22 - // We must be adding 2 double constants.
1.23 + // We must be multiplying 2 double constants.
1.24 return TypeD::make( t0->getd() * t1->getd() );
1.25 }
1.26
