54 commits

Author	SHA1	Message	Date
Andrew Kelley	45739725c1	tools/update_cpu_features: prune redundant features ... When a CPU feature implies that another one must be present, avoid redundantly specifying the other one.	2021-02-27 00:50:23 -07:00
Andrew Kelley	03de5ec6dd	tools/update_cpu_features: handle ISAs with no features ... These are represented by not having a file for them.	2021-02-26 23:52:04 -07:00
Andrew Kelley	a804944c7d	tools/update_cpu_features: branch quota where necessary ... also avoid unnecessary escaping of single quotes inside double quoted strings (depends on a master branch commit that will be merged into this branch in a future commit)	2021-02-26 23:21:05 -07:00
Andrew Kelley	2733ca91b2	introduce tools/update_cpu_features.zig ... This replaces the previous target cpu features tool, taking advantage of llvm-tblgen --dump-json instead of trying to use python to parse the .td files. This is an initial version that has the basics working, including a simple feature override system, as well as multi-threaded processing. Follow-up commits will do clean ups to make the diff of the newly generated source files against previous versions be as desired.	2021-02-26 21:16:04 -07:00