llvm-project

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Ilya Tokar c81d52997a [libc++] Use builtins in more math.h functions.

Not using builtins doesn't always imply worse code,
but for e. g. isinf, this is 30%+ faster.

Before:
name        time/op
BM_isinf     2.14ns ± 2%

After:
name        time/op
BM_isinf     1.33ns ± 2%

Reviewed By: #libc, ldionne

Differential Revision: https://reviews.llvm.org/D88854

2021-02-10 15:17:42 -05:00

benchmarks

Revert "[libc++] Require C++20 to build the benchmarks."

2021-02-09 19:59:34 +01:00

cmake

[libc++] Make LIBCXX_ENABLE_FILESYSTEM fully consistent

2021-01-19 14:15:48 -05:00

docs

[libc++] [LWG2993] reference_wrapper<T> conversion from U&&

2021-02-09 15:50:25 -05:00

include

[libc++] Use builtins in more math.h functions.