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The goal is to implement an x86_64 intrinsic for java.lang.Math.tanh() using libm

causes

JDK-8355238 Performance drops with Math.tanh

JDK-8348638 Performance regression in Math.tanh

JDK-8358556 Assert when running with -XX:-UseLibmIntrinsic

JDK-8360558 Use hex literals instead of decimal literals in math intrinsic constants

relates to

JDK-8340843 [PPC64/s390x] Error: ShouldNotReachHere() in TemplateInterpreterGenerator::generate_math_entry after 8338694

JDK-8341101 [ARM32] Error: ShouldNotReachHere() in TemplateInterpreterGenerator::generate_math_entry after 8338694

JDK-8353857 java.lang.Math.tanh returns different values on JDK24

JDK-8360559 Optimize Math.sinh for x86 64 bit platforms

links to

Commit(master) openjdk/jdk/212e3293

Review(master) openjdk/jdk/20657

(3 relates to, 2 links to)