[compiler-rt] _udivdi3(), _umoddi3(), _moddi3() and _divdi3() routines not properly "tuned"

Stefan Kanthak via llvm-commits llvm-commits at lists.llvm.org
Thu Nov 16 02:01:30 PST 2017


I wrote Wednesday, November 08, 2017 10:29 AM:

> Hi,
> 
> <http://llvm.org/> claims
> 
> | The compiler-rt project provides highly tuned implementations
> | of the low-level code generator support routines like
> | "__fixunsdfdi" and other calls generated when a target doesn't
> | have a short sequence of native instructions to implement a
> | core IR operation.

[...]

Revised patch attached; the patch from 2017-11-10 was not properly
tuned either and missed an optimization.

regards
Stefan Kanthak
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