PR #63492 Fix many fma emulated and Float16 bugs

Fix many fma emulated and Float16 bugs #63492

oscardssmith merged 8 commits into JuliaLang:master from oscardssmith:os/fma-rounding

oscardssmith requested a review from

xal-0 12 days ago

oscardssmith added maths

oscardssmith added bugfix

oscardssmith added float16

oscardssmith added backport 1.10

oscardssmith added backport 1.13

vtjnash commented on 2026-09-29

vtjnash approved these changes on 2026-09-29

oscardssmith force pushed from 7a82d580 to 2c22622d 12 days ago

gbaraldi commented on 2026-09-30

oscardssmith added don't squash

math: Correctly round Float32 and Float16 `fma_emulated`

b62cc6f1

math: Fix `ldexp` flushing values to zero one exponent too early

43f913a8

math: Fix incorrect rounding in Float64 `fma_emulated`

ca0f67b1

runtime: Fix rounding of Float64 to Float16 and BFloat16 conversions

ddb57d8c

runtime: Use `__builtin_signbit` for mingw signbit

3e9f2f78

runtime: Correctly round Float16 and BFloat16 `fma_float`

01a58feb

runtime: Use `fma_narrow` for Float32 `fma_float` on all platforms

4159c62c

aotcompile: Fix name of `__truncdfbf2` CRT alias

03ce71ac

oscardssmith force pushed from 835f478c to 03ce71ac 10 days ago

oscardssmith merged e5ff5d8b into master 10 days ago

oscardssmith deleted the os/fma-rounding branch 10 days ago

Reviewers

vtjnash

gbaraldi

xal-0

Assignees

No one assigned

Labels

maths bugfix float16 don't squash backport 1.10 backport 1.13

Milestone

No milestone