This commit completes support for having multiple instructions with the same mnemonic in non-contiguous blocks within the arc_opcodes table. The commit adds an iterator mechanism for the arc_opcode_hash_entry structure, which is then used in find_opcode_match to consider all arc_opcode entries with the same mnemonic, even when these instructions are stored in non-contiguous blocks. I extend the comment on the arc_opcodes table to discuss how entries within the table are organised, and to mention how instructions can be split into multiple groups if needed, but that the table is still searched in table order. There should be no user visible changes after this commit. gas/ChangeLog: * config/tc-arc.c (struct arc_opcode_hash_entry_iterator): New structure. (arc_opcode_hash_entry_iterator_init): New function. (arc_opcode_hash_entry_iterator_next): New function. (find_opcode_match): Iterate over all arc_opcode entries referenced by the arc_opcode_hash_entry passed in as a parameter. opcodes/ChangeLog: * arc-opc.c (arc_opcodes): Extend comment to discus table layout. |
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README
README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. If you are receiving this as part of a GDB release, see the file gdb/README. If with a binutils release, see binutils/README; if with a libg++ release, see libg++/README, etc. That'll give you info about this package -- supported targets, how to use it, how to report bugs, etc. It is now possible to automatically configure and build a variety of tools with one command. To build all of the tools contained herein, run the ``configure'' script here, e.g.: ./configure make To install them (by default in /usr/local/bin, /usr/local/lib, etc), then do: make install (If the configure script can't determine your type of computer, give it the name as an argument, for instance ``./configure sun4''. You can use the script ``config.sub'' to test whether a name is recognized; if it is, config.sub translates it to a triplet specifying CPU, vendor, and OS.) If you have more than one compiler on your system, it is often best to explicitly set CC in the environment before running configure, and to also set CC when running make. For example (assuming sh/bash/ksh): CC=gcc ./configure make A similar example using csh: setenv CC gcc ./configure make Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.