The fdlibm math library routines must be compiled at a low optimization level to ensure portability. However, it should be compiled at the highest optimization level where that portability is acheived.
JDK-4141677The spec for java.lang.Math should not be written in C.
JDK-8170153PPC64/s390x/aarch64: Poor StrictMath performance due to non-optimized compilation
JDK-8210416[linux] Poor StrictMath performance due to non-optimized compilation
JDK-4880538REGRESSION: 6 JCK14a api/java_lang/StrictMath tests fail on tiger