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  1. JDK
  2. JDK-8330094

RISC-V: Save and restore FRM in the call stub

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    • b20
    • riscv

    Backports

      Description

        As discussed at https://github.com/openjdk/jdk/pull/17745#discussion_r1558783467, we should do the similar thing as JDK-8319973 on aarch64, difference is that we only need to save/restore frm rather than other bits in fcsr.

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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-8331688 RISC-V: Save and restore FRM in the call stub

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

            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-8331689 RISC-V: Save and restore FRM in the call stub

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

            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-8331690 RISC-V: Save and restore FRM in the call stub

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

            Sub-task - The sub-task of the issue JDK-8321010 RISC-V: C2 RoundVF

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-8319973 AArch64: Save and restore FPCR in the call stub

            • P3 - Major loss of function.
            • Resolved

            Enhancement - null JDK-8330266 RISC-V: Restore frm to RoundingMode::rne after JNI

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

            Commit Commit openjdk/jdk17u-dev/68a2d935

            Commit Commit openjdk/jdk21u-dev/835d016a

            Commit Commit openjdk/jdk22u/beb06e1e

            Commit Commit openjdk/jdk/b0496096

            Review Review openjdk/jdk17u-dev/2442

            Review Review openjdk/jdk21u-dev/545

            Review Review openjdk/jdk22u/174

            Review Review openjdk/jdk/18758

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                mli Hamlin Li
                mli Hamlin Li
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                  Created:
                  Updated:
                  Resolved: