[roll] Roll third_party/llvm-libc/src [libc] add fast path to string to float conversion

Add the fast path first described by Clinger [1] with additions by Gay [2].
This speeds up conversion by about 10% by handling numbers with fewer digits
more efficiently.

[1] Clinger WD. How to Read Floating Point Numbers Accurately.
SIGPLAN Not 1990 Jun;25(6):92–101. https://doi.org/10.1145/93548.93557.
[2] Gay DM, Correctly rounded binary-decimal and decimal-binary conversions;
1990. AT&T Bell Laboratories Numerical Analysis Manuscript 90-10.

Reviewed By: sivachandra

Differential Revision: https://reviews.llvm.org/D112580

GitOrigin-RevId: 9cbc8bf5445d660df7efce671b7988da6f3b35f7
Original-Revision: 176f5edbd56d2d31ac761ebda4b1358e7a8ad03f
Change-Id: Ic7e66da6cb34cf57ee20a03030462183feeb60c8
1 file changed
tree: dd092b5183de88dcf4377a84fd8e6d024bf4db1a
  1. infra/
  2. third_party/
  3. firmware
  4. flower
  5. jiri.lock
  6. minimal
  7. prebuilts
  8. README.md
  9. stem
  10. test_durations
README.md

Integration

This repository contains Fuchsia's Global Integration manifest files.

Making changes

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Obtaining the source

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$ jiri import minimal https://fuchsia.googlesource.com/integration
$ jiri update

Third party

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