4 Commits

Author	SHA1	Message	Date
matu3ba	3db130ff3d	compiler_rt: add addo (#10824) ... - approach by Hacker's Delight with wrapping addition - ca. 1.10x perf over the standard approach on my laptop - tests with all combinations of min,max with -1,0,+1 and combinations of sequences +-1,2,4..,max	2022-02-07 13:27:21 -05:00
Jan Philipp Hafer	01d48e55a5	compiler_rt: optimize mulo ... - use usize to decide if register size is big enough to store multiplication result or if division is necessary - multiplication routine with check of integer bounds - wrapping multipliation and division routine from Hacker's Delight	2022-02-05 01:35:46 -05:00
Andrew Kelley	3532abe0c6	compiler_rt: reorganize in a way that stage2 understands ... Before this commit, stage2 behavior tests are regressed; it cannot build compiler-rt.	2021-12-15 14:23:28 -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