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This part of the C-SKY patch set includes the assembler pieces. Both C-SKY variants have complex/irregular instruction sets with many different operand types that all need special parsing and error-checking code. Particularly for V2, the same syntax may have multiple encodings which are selected based on register and constant ranges, etc; that's what the *_work functions are for. BTW, the literal pool placement code (which is probably the most complex part of tc-csky.c) looked like it was copied from ARM, which might be a useful tidbit when reviewing that section. gas/ * Makefile.am (TARGET_CPU_CFILES): Add entry for C-SKY. (TARGET_CPU_HFILES, TARGET_ENV_HFILES): Likewise. * Makefile.in: Regenerated. * config/tc-csky.c: New file. * config/tc-csky.h: New file. * config/te-csky_abiv1.h: New file. * config/te-csky_abiv1_linux.h: New file. * config/te-csky_abiv2.h: New file. * config/te-csky_abiv2_linux.h: New file. * configure.tgt: Add C-SKY. * doc/Makefile.am (CPU_DOCS): Add entry for C-SKY. * doc/Makefile.in: Regenerated. * doc/all.texi: Set CSKY feature. * doc/as.texi (Overview): Add C-SKY options. (Machine Dependencies): Likewise. * doc/c-csky.texi: New file. * testsuite/gas/csky/*: New test cases.
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csky-binutils-3u.patch.gz
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