6 Commits

Author SHA1 Message Date
Alexander Richardson
05a4212cc7
[builtins] Avoid using long double in generic sources (#69754)
Use of long double can be error-prone since it could be one of 80-bit
extended precision float, IEEE 128-bit float, or IBM 128-bit float.
Instead use an explicit xf_float typedef for the remaining cases where
long double is being used in the implementation. This patch does not
touch
the PPC specializations which still use long double.
2023-10-25 01:15:47 +01:00
Ryan Prichard
8627190f31 [builtins] Fix typos in comments
Differential Revision: https://reviews.llvm.org/D82146
2020-06-19 16:08:04 -07:00
Chandler Carruth
57b08b0944 Update more file headers across all of the LLVM projects in the monorepo
to reflect the new license. These used slightly different spellings that
defeated my regular expressions.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351648
2019-01-19 10:56:40 +00:00
Saleem Abdulrasool
590e85b575 builtins: tag with noexecstack
These routines do not require executable stacks.  However, by default ELFish
linkers may assume an executable stack on GNUish environments (and some non-GNU
ones too!).  The GNU extension to add a note to indicate a non-executable stack
is honoured by these environments to mark the stack as non-executable (the
compiler normally emits this directive on appropriate targets whenever
possible).  This allows normal builds from getting executable stacks due to
linking to the compiler rt builtins.

llvm-svn: 273500
2016-06-22 22:09:42 +00:00
Saleem Abdulrasool
310874ae3c [CompilerRT] use .p2align, .balign instead of .align
The .align statements in ARM assembly routines is actually meant to be a power
of 2 alignment (e.g. .align 2 == 4 byte alignment, not 2).  Switch to using
.p2align.  .p2align is guaranteed to be a power-of-two alignment always and much
more explicit.

The .align in the case of x86_64 is byte alignment, use .balign instead of
.align.

llvm-svn: 208578
2014-05-12 15:23:37 +00:00
Alexey Samsonov
a6b264b51d Move original compiler-rt functions (libgcc replacement) to lib/builtins directory
llvm-svn: 201393
2014-02-14 09:20:33 +00:00