[gcc(refs/vendors/riscv/heads/gcc-14-with-riscv-opts)] RISC-V: Add testcases for unsigned .SAT_SUB vector form 8

https://gcc.gnu.org/g:26dfa8d05db2644e23b30e8f4e8a282c0cbc46b2 commit 26dfa8d05db2644e23b30e8f4e8a282c0cbc46b2 Author: Pan Li Date: Wed Jun 19 20:38:43 2024 +0800 RISC-V: Add testcases for unsigned .SAT_SUB vector form 8 After the middle-end support the form 8 of unsigned SAT_SUB

[gcc(refs/vendors/riscv/heads/gcc-14-with-riscv-opts)] RISC-V: Add testcases for unsigned .SAT_SUB vector form 8

https://gcc.gnu.org/g:c353bc5060d1262fbbbce50ca40950aff94eae8b commit c353bc5060d1262fbbbce50ca40950aff94eae8b Author: Pan Li Date: Wed Jun 19 20:38:43 2024 +0800 RISC-V: Add testcases for unsigned .SAT_SUB vector form 8 After the middle-end support the form 8 of unsigned SAT_SUB