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  1. JDK
  2. JDK-8217561

x86: Add floating-point Math.min/max intrinsics

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    • b12
    • x86

    Backports

      Description

        Intrinsic implementation taking care of the non-conformance with the Java API documentation of x86 min/max instructions for +/-0.0 and NaN.

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8263879 x86: Add floating-point Math.min/max intrinsics

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved
            relates to

            Enhancement - null JDK-8218550 Add test omitted from JDK-8212043

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-8220407 compiler/intrinsics/math/TestFpMinMaxIntrinsics.java timedout

            • P3 - Major loss of function.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-8226627 assert(t->singleton()) failed: must be a constant

            • P3 - Major loss of function.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-8227222 vmTestbase/jit/FloatingPoint/gen_math/Loops04/Loops04.java hits assert(((!attributes->uses_vl()) || (attributes->get_vector_len() == AVX_512bit) || (!_legacy_mode_vl) || (attributes->is_legacy_mode()))) failed: XMM register should be 0-15

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed

            Enhancement - null JDK-8212043 AArch64: Add floating-point Math.min/max intrinsics

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Enhancement - null JDK-8287087 C2: perform SLP reduction analysis on-demand

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

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                phh Paul Hohensee
                vdeshpande Vivek Deshpande (Inactive)
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                  Created:
                  Updated:
                  Resolved: