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3 Commits

Author SHA1 Message Date
Andrew Kelley
6b14c58f63 compiler-rt: simplify implementations 
This improves readability as well as compatibility with stage2. Most of
compiler-rt is now enabled for stage2 with just a few functions disabled
(until stage2 passes more behavior tests).
 2022-01-02 13:16:17 -07:00
Jan Philipp Hafer
eb1e75b2b8 compiler_rt: refactor __mulodi2 and __muloti2 to get __mulosi2 
- use comptime instead of 2 identical implementations
- tests: port missing tests and link to archived llvm-mirror release 80

See #1290
 2021-12-14 14:16:24 -08:00
Jan Philipp Hafer
efdb94486b compiler_rt: add __bswapsi2, __bswapdi2 and __bswapti2 
- each byte gets masked, shifted and combined
- use boring masks instead of comptime for readability
- tests: bit patterns with reverse operation, if applicable

See #1290
 2021-12-11 01:43:37 -08:00