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1106 commits

Author SHA1 Message Date
Trevor Gross
8199433bb2 Make use of new f16 and f128 config options 
Change from `not(feature = "no-f16-f128")` to `f16_enabled` or
`f128_disabled`, as applicable.
 2024-08-03 02:02:44 -04:00
Trevor Gross
b168f56dd4 Configure which platforms get f16 and f128 enabled by default 
By moving the logic for which platforms get symbols to
`compiler_builtins` rather than rust-lang/rust, we can control where
symbols get enabled without relying on Cargo features. Using Cargo
features turned out to be a problem in [1].

This will help resolve errors like [2].

[1]: https://github.com/rust-lang/rust/issues/128358
[2]: https://github.com/rust-lang/rust/issues/128401
 2024-08-03 02:02:44 -04:00
Trevor Gross
b32758cdc2 Add back remaining config on arm_aeabi_alias 
Intrinsics marked with `arm_aeabi_alias = ...` were having the rest of
their attributes eaten. Add them back.
 2024-08-03 02:02:44 -04:00
Trevor Gross
22e4aa37da Switch to a target structure in build.rs 2024-08-03 02:02:41 -04:00
github-actions[bot]
85d4ef72c8
chore: release 2024-07-28 21:08:01 +00:00
Trevor Gross
99456ad08e
Set allow_dirty to release-plz 
This should resolve the issue in
<https://github.com/rust-lang/compiler-builtins/pull/643#issuecomment-2254641520>
 2024-07-28 17:00:41 -04:00
Trevor Gross
364dd5fd5b Add release-plz for automatic releases. 
This is what `cc-rs` is using and should create a release PR whenever a
change to `master` is made. If the branch is merged, it should publish
the new version.

Includes configuration to disable semver checks and not keep a changelog
since this is an implementation detail.
 2024-07-26 23:45:35 -04:00
Andrey Turkin
adabbe73d9 Implement __ctz*i2 intrinsics 2024-07-25 19:26:02 +03:00
Trevor Gross
6ef2b95d46 Add missing symbols from compiler-rt to the README 2024-07-24 13:06:15 +01:00
Trevor Gross
fb27c7283c Move IBM extended double to the unneeded section 2024-07-24 13:06:15 +01:00
Trevor Gross
a96c82123e Remove a broken link in README 2024-07-24 13:06:15 +01:00
Andrey Turkin
cc64c7978e Never use C version of clz builtins 2024-07-24 12:50:04 +01:00
Andrey Turkin
a5c7a17d55 Implement remaining __clz*i2 intrinsics 2024-07-24 12:50:04 +01:00
Trevor Gross
ddd97dc19a Fix missing extern "C" for unsafe functions 
`unsafe` functions were being matched in a different block that did not
include `extern $abi`. This means that some intrinsics were getting
generated with the Rust ABI rather than C.

Combine the last two blocks using an optional token matcher, which fixes
this problem and is cleaner.
 2024-07-23 04:35:04 -05:00
Andrey Turkin
45465cc488 Implement __bswap[sdt]i2 intrinsics 
These can be emitted by gcc, at least if requested specifically via __builtin_bswap{32,64,128}.
 2024-07-06 11:51:52 +02:00
Andrey Turkin
98195c0348 Get rid of a warning 2024-07-06 05:19:37 +03:00
Trevor Gross
32b12b647b Remove unnecessary benchmark files 2024-07-05 22:17:50 +02:00
beetrees
086a1c33eb
Temporarily use define_rust_probestack; 2024-07-01 07:42:22 +01:00
beetrees
c6bf88ab1c
Ignore broken nightly/system builtins 2024-07-01 07:42:22 +01:00
beetrees
ffb31aee13
Fix incorrect rounding with subnormal/zero results of float multiplication 2024-06-30 22:03:33 +01:00
Trevor Gross
55b3f8b13d Enable f128 -> f16 tests on Linux 
Since updating the docker images in
<https://github.com/rust-lang/compiler-builtins/pull/625>, it looks like
`__extendhftf2` and `__trunctfhf2` are available on all 64-bit Linux
platforms.
 2024-06-25 23:57:08 +02:00
Amanieu d'Antras
1d7f2847e3 Release 0.1.113 2024-06-25 22:52:36 +01:00
beetrees
bf503b5c9b
Fix building on AVR 2024-06-23 19:19:25 +01:00
Trevor Gross
fdec3b6514 Fix unset variables in the build script 
These were preventing building via Docker locally.
 2024-06-22 16:15:46 +02:00
Trevor Gross
21690f7320 Skip f128 tests on powerpc64le 
__addkf3 and __mulkf3 seem to hit a nondescript SIGILL. This is probably
likely to just be another Qemu limitation.
 2024-06-22 06:05:25 -04:00
Trevor Gross
f2092967cb Update the Ubuntu docker image to the latest version 2024-06-22 05:58:25 -04:00
Trevor Gross
e35091a2d0 Disable libm on x86 without sse2 
In <https://github.com/rust-lang/compiler-builtins/pull/594>, symbols
for the Rust port of libm were made always weakly available. This seems
to be causing problems on platforms with ABI issues, as explained at
<https://github.com/rust-lang/rust/pull/125016#issuecomment-2174572661>.

Disable Rust libm on x86 without sse2 to mitigate this.
 2024-06-17 19:38:55 -05:00
Trevor Gross
84e87eb15b Add caching for downloading compiler-rt 2024-05-24 23:18:59 +02:00
Trevor Gross
98ddf3c66d Enable cache for Docker images 2024-05-24 23:18:59 +02:00
Trevor Gross
d0fdc0044a Enable cache for Cargo components of the build 2024-05-24 23:18:59 +02:00
Trevor Gross
6cd17ff4d2 Add benchmarks for floating point math 
This adds comparisons among the compiler-builtins function, system
functions if available, and optionally handwritten assembly.

These also help us identify inconsistencies between this crate and
system functions, which may otherwise go unnoticed if intrinsics get
lowered to inline operations rather than library calls.
 2024-05-24 02:49:41 -04:00
Quentin Perez
2fa55c4ef5 Add Apple visionOS support 2024-05-22 09:49:08 +02:00
Trevor Gross
81fbfedd92 Add some missing functions to examples/intrinsics 2024-05-21 20:13:40 +02:00
Trevor Gross
ec12399470 Update outdated contribution guidelines 2024-05-21 20:13:40 +02:00
Trevor Gross
324544fb6a Add f16 and f128 intrinsics to the example test 2024-05-21 20:13:40 +02:00
Trevor Gross
d696144b87 Organize functions in intrinsics example 2024-05-21 20:13:40 +02:00
Trevor Gross
c7bd2a5655 Add ppc_alias to the intrinsics! macro 
PowerPC platforms use `kf` rather than `tf` for `f128`. Add a way to
alias this in the macro to make the code cleaner.

This also fixes the names of `fixunstf*` and `fixtf*` on Power PC
(`fixunskf*` and `fixkf*` are correct).
 2024-05-21 03:55:37 -04:00
Trevor Gross
ccd179b231 Add f128 float to integer conversion functions 
Add the following:

- `__fixtfsi`
- `__fixtfdi`
- `__fixtfti`
- `__fixunstfsi`
- `__fixunstfdi`
- `__fixunstfti`
 2024-05-20 20:01:33 -04:00
Trevor Gross
aaaf62bd6b Add an apfloat fallback for float to integer tests 2024-05-20 20:01:19 -04:00
Trevor Gross
a3b1dfb8d5 Allow a specific fallback function in apfloat_fallback 
`as` casts are only allowed for primitives, doing the same operations
with `rustc_apfloat` requires using functions. Add a way to specify
these separately.
 2024-05-20 20:00:46 -04:00
Trevor Gross
fc53fb64fc Make float to integer conversions generic 
Deduplicate code used for float to integer conversions in order to make
adding `f128` conversion functions easier.
 2024-05-20 19:46:53 -04:00
Trevor Gross
bac7b1e777 Add CastFrom as a convenience form of CastInto 2024-05-20 19:46:53 -04:00
Henry Wang
0722bc4275 Don't run verbatim test on windows-gnu 2024-05-21 01:09:47 +02:00
Henry Wang
7d60c93165 Only run --features c for verbatim test 2024-05-21 01:09:47 +02:00
theKidOfArcrania
416be726df verbatim tests only need to build 2024-05-21 01:09:47 +02:00
theKidOfArcrania
fd290b1339 Properly escape /C and fix naming 2024-05-21 01:09:47 +02:00
theKidOfArcrania
e3d86a8350 Instead have cmd.exe dump out path 2024-05-21 01:09:47 +02:00
theKidOfArcrania
0000f98d73 Fix backslash 2024-05-21 01:09:47 +02:00
theKidOfArcrania
e246ba5a46 Use cmd.exe 2024-05-21 01:09:47 +02:00
theKidOfArcrania
24cb0c2bcc Fix CI 2024-05-21 01:09:47 +02:00