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- The arch string rule has changed in latest spec, it introduced new multi-letter extension prefix with 'h' and 'z', and drop `sx`. also adjust parsing order for 's' and 'x'. gcc/ChangeLog * riscv-common.c (parse_sv_or_non_std_ext): Rename to parse_multiletter_ext. (parse_multiletter_ext): Add parsing `h` and `z`, drop `sx`, adjust parsing order for 's' and 'x'. gcc/testsuite/ChangeLog * gcc.target/riscv/arch-3.c: Adjust option. * gcc.target/riscv/arch-5.c: New. * gcc.target/riscv/attribute-9.c: Adjust option and test condition.
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