[gcc(refs/vendors/riscv/heads/gcc-14-with-riscv-opts)] RISC-V: Add testcases for scalar unsigned SAT_SUB form 5

https://gcc.gnu.org/g:b2ef770da6ca9b2f1084b72e02c97454b88c8976 commit b2ef770da6ca9b2f1084b72e02c97454b88c8976 Author: Pan Li Date: Thu Jun 13 22:43:31 2024 +0800 RISC-V: Add testcases for scalar unsigned SAT_SUB form 5 After the middle-end support the form 5 of unsigned SAT_SUB a

[gcc(refs/vendors/riscv/heads/gcc-14-with-riscv-opts)] RISC-V: Add testcases for scalar unsigned SAT_SUB form 5

https://gcc.gnu.org/g:094e1b811fbd009bca7db60e026ff811ee9551e4 commit 094e1b811fbd009bca7db60e026ff811ee9551e4 Author: Pan Li Date: Thu Jun 13 22:43:31 2024 +0800 RISC-V: Add testcases for scalar unsigned SAT_SUB form 5 After the middle-end support the form 5 of unsigned SAT_SUB a