[FFmpeg-devel] [PATCH] checkasm/riscv: use t0 as alternative link register
Rémi Denis-Courmont
remi at remlab.net
Thu Nov 16 18:07:00 EET 2023
Le torstaina 16. marraskuuta 2023, 18.04.51 EET Rémi Denis-Courmont a écrit :
> The unprivileged ISA specification says that either RA or T0 should be
> used for this purpose. Other registers may confuse the return address
> prediction stack.
Need more sleep. This is true for the link register (the destination operand),
not the branch target (the source operand). Please ignore.
--
雷米‧德尼-库尔蒙
http://www.remlab.net/
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