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7133857: exp() and pow() should use the x87 ISA on x86

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Use x87 instructions to implement exp() and pow() in interpreter/c1/c2.

Reviewed-by: kvn, never, twisti
This commit is contained in:
Roland Westrelin 2012-05-15 10:10:23 +02:00
parent eb4a860bc3
commit b305cf722e
26 changed files with 783 additions and 279 deletions
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4
hotspot/src/share/vm/c1/c1_LIRGenerator.cpp
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@ -2960,7 +2960,9 @@ void LIRGenerator::do_Intrinsic(Intrinsic* x) {
case vmIntrinsics::_dsqrt: // fall through
case vmIntrinsics::_dtan: // fall through
case vmIntrinsics::_dsin : // fall through
case vmIntrinsics::_dcos : do_MathIntrinsic(x); break;
case vmIntrinsics::_dcos : // fall through
case vmIntrinsics::_dexp : // fall through
case vmIntrinsics::_dpow : do_MathIntrinsic(x); break;
case vmIntrinsics::_arraycopy: do_ArrayCopy(x); break;
// java.nio.Buffer.checkIndex