git: libnvmm(3): Fix sign-extension on immediates

[Aaron LI]

commit b604ef80bcca821d8aede0b5d8445bcbb10b5e15
Author: Aaron LI <aly at aaronly.me>
Date:   Mon Aug 17 12:47:05 2026 +0800

    libnvmm(3): Fix sign-extension on immediates
    
    It's the immediate size that should be used for sign-extension, not the
    operand size. Fix this, and add a unit-test for it.
    
    Credit: Maxime Villard (m00nbsd)

Summary of changes:
 lib/libnvmm/libnvmm_x86.c                 |  9 ++-------
 test/testcases/libnvmm/h_mem_assist.c     |  2 ++
 test/testcases/libnvmm/h_mem_assist_asm.S | 21 +++++++++++++++++++++
 3 files changed, 25 insertions(+), 7 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/b604ef80bcca821d8aede0b5d8445bcbb10b5e15


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