LoongArch: vDSO: Make use of the t8 register for vgetrandom-chacha

Make use of the t8 register for vgetrandom-chacha, so we don't need to
reuse a register and rematerialize a constant.  I

Signed-off-by: Xi Ruoyao <xry111@xry111.site>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Xi Ruoyao 2025-03-30 16:31:12 +08:00 • committed by Huacai Chen
commit a34ea549aa