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rtld: Sligtly optimizing .rtld_start on aarch64

Description

rtld: Sligtly optimizing .rtld_start on aarch64

Use the LDP (load pair registers) instruction to load entry point
arguments from the stack.

Reviewed by:
Differential Revision: https://reviews.freebsd.org/D40843

Details

Provenance
dchaginAuthored on Jul 7 2023, 4:55 PM
Differential Revision
D40843: rtld: Sligtly optimizing .rtld_start on aarch64
Parents
rG43e29d03f416: csu: Add the prologue and epilogue to the _init and _fini on aarch64
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