Fixed operand order for xcvbitmanip instructions

Created by: MaryBennett

Files Changed:

gcc/config/riscv/

• corev.md: Changed range operand order.

gcc/testsuite/gcc.target/riscv/

• cv-march-xcvbitmanip-compile-extract.c: Changed range operand order.
• cv-march-xcvbitmanip-compile-extractu.c: Likewise.
• cv-march-xcvbitmanip-compile-insert.c: Likewise.