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(parent: db923a6) | patch
[libc][math] Improve the performance of subtraction for UInt<>.
authorTue Ly <lntue@google.com>
Tue, 22 Nov 2022 16:33:40 +0000 (11:33 -0500)
committerTue Ly <lntue@google.com>
Wed, 30 Nov 2022 15:51:02 +0000 (10:51 -0500)
commit926dd32aab1d79dbd85639e5eaf7b4d3cd086af6
tree20c7ad36aa6f2633d301f71604dc892b52704a54tree | snapshot
parentdb923a610b03811f089f99f6624dd0aecbe48773commit | diff
[libc][math] Improve the performance of subtraction for UInt<>.

Use built-in sub_with_borrow to improve the performance of subtraction
for UInt<>.

Microbenchmark: https://quick-bench.com/q/UEg6Z6VK4PP2yLBtTi9C0cL9xpY

Reviewed By: sivachandra

Differential Revision: https://reviews.llvm.org/D138506
libc/src/__support/UInt.h diff | blob | history
Domain: System / Toolchain;