[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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