Nelson Chu 69a61890cb RISC-V: Allow to add numbers in the prefixed extension names. ... We need to allow adding numbers in the prefixed extension names, since the zve<32,64><d,f,x> extensions are included in the forzen rvv v1.0 spec recently. But there are two restrictions as follows, * The extension name ends with <number>p is invalid, since this may be confused with extension with <number>.0 version. We report errors for this case. Invalid format: [z|h|s|zvm|x][0-9a-z]+[0-9]+p * The extension name ends with numbers is valid, but the numbers will be parsed as major version, so try to avoid naming extensions like this. bfd/ * elfxx-riscv.c (riscv_recognized_prefixed_ext): Renamed from riscv_valid_prefixed_ext/ (riscv_parsing_subset_version): The extensions end with <number>p is forbidden, we already report the detailed errors in the riscv_parse_prefixed_ext, so clean the code and unused parameters. (riscv_parse_std_ext): Updated. (riscv_parse_prefixed_ext): Rewrite the parser to allow numbers in the prefixed extension names. gas/ * testsuite/gas/riscv/march-fail-invalid-x-01.d: New testcases. * testsuite/gas/riscv/march-fail-invalid-x-02.d: Likewise. * testsuite/gas/riscv/march-fail-invalid-z-01.d: Likewise. * testsuite/gas/riscv/march-fail-invalid-z-02.d: Likewise. * testsuite/gas/riscv/march-fail-invalid.l: Likewise. * testsuite/gas/riscv/march-fail-version-x.d: Removed. * testsuite/gas/riscv/march-fail-version-z.d: Likewise. * testsuite/gas/riscv/march-fail-version.l: Likewise.		2021-09-28 19:39:12 +08:00
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gas	RISC-V: Allow to add numbers in the prefixed extension names.	2021-09-28 19:39:12 +08:00
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