--- old/src/cpu/x86/vm/stubGenerator_x86_64.cpp 2012-04-02 10:43:22.689291579 +0200 +++ new/src/cpu/x86/vm/stubGenerator_x86_64.cpp 2012-04-02 10:43:22.477777324 +0200 @@ -2928,11 +2928,34 @@ __ addq(rsp, 8); __ ret(0); } + { + StubCodeMark mark(this, "StubRoutines", "exp"); + StubRoutines::_intrinsic_exp = (double (*)(double)) __ pc(); - // The intrinsic version of these seem to return the same value as - // the strict version. - StubRoutines::_intrinsic_exp = SharedRuntime::dexp; - StubRoutines::_intrinsic_pow = SharedRuntime::dpow; + __ subq(rsp, 8); + __ movdbl(Address(rsp, 0), xmm0); + __ fld_d(Address(rsp, 0)); + __ pow_or_exp(true, 0); + __ fstp_d(Address(rsp, 0)); + __ movdbl(xmm0, Address(rsp, 0)); + __ addq(rsp, 8); + __ ret(0); + } + { + StubCodeMark mark(this, "StubRoutines", "pow"); + StubRoutines::_intrinsic_pow = (double (*)(double,double)) __ pc(); + + __ subq(rsp, 8); + __ movdbl(Address(rsp, 0), xmm1); + __ fld_d(Address(rsp, 0)); + __ movdbl(Address(rsp, 0), xmm0); + __ fld_d(Address(rsp, 0)); + __ pow_or_exp(false, 0); + __ fstp_d(Address(rsp, 0)); + __ movdbl(xmm0, Address(rsp, 0)); + __ addq(rsp, 8); + __ ret(0); + } } #undef __