Commit Graph

226 Commits

Author SHA1 Message Date
Marco A L Barbosa f4edcf7b24 Use kernel user helpers for armv4t
Rename armv5te cfg to kernel_user_helpers and enable it for armv4t
2017-12-26 13:02:05 -02:00
Amanieu d'Antras e8ea848785 Fix argument order for __sync_val_compare_and_swap 2017-12-23 08:45:25 +01:00
Amanieu d'Antras 0fe7c79389 Replace inline asm with function calls in __kuser_cmpxchg and __kuser_memory_barrier 2017-12-20 01:57:05 +00:00
Alex Crichton a6f7dfd2fd Fix nightly CI
Currently we're getting lots of errors about duplicate lang items so deal with
this by `#[cfg_attr]`'ing off the lang item attribute in tests.
2017-12-08 08:19:28 -08:00
Scott McMurray ba750103a3 Another attempt at making MIPS happy
(I really don't understand how arithmetic makes it segfault...)
2017-11-25 07:00:26 -08:00
Scott McMurray bcc41a9b8d Autogenerate the add/sub tests 2017-11-25 06:25:19 -08:00
Scott McMurray ed89a17f25 Make them all `pub` 2017-11-25 05:53:53 -08:00
Scott McMurray 665f268872 Tweak addo & subo to try and fix MIPS 2017-11-25 05:26:24 -08:00
Scott McMurray 5e71218390 Implement all the 128-bit operator lang items from rust PR 46093 2017-11-25 04:21:05 -08:00
Dan Gohman a6ecd1a73f Add "volatile" and "memory" clobber to asm! that doesn't fall through.
Use the "volatile" option and the "memory" clobber on inline asm that does
things like return directly, to reduce the chances of compilers rearranging
the code.
2017-11-15 12:49:10 -08:00
Oliver Geller 8bb30026c7 Implement divsf3 and divdf3 2017-11-13 20:22:27 -05:00
Oliver Geller 897048543f Implement mulsf3 and muldf3 2017-11-08 17:36:34 -05:00
Alex Crichton 45cd956acc Prepare this crate for more wasm32 compatibility
This commit prepares the build script for a wasm32 target that doesn't use
Emcripten, notably forcing the `mem` feature to get activated and forcibly
ignoring the `c` feature, even if activated, for the wasm32 target.
2017-11-01 19:29:41 -07:00
Amanieu d'Antras 73e38dcf2f Add atomic support for pre-ARMv6 on Linux 2017-10-05 12:44:12 +01:00
est31 c781759498 Partially revert a272d753f5
This partially reverts commit "Convert float_to_int! into a function"
2017-09-29 02:20:27 +02:00
est31 a20840262e Partially revert 482d98318f
This partially reverts "Convert int_to_float! to a function".
2017-09-29 02:19:40 +02:00
Matt Ickstadt a40cc6a12d Don't compile probestack functions during testing 2017-09-15 18:13:06 -05:00
Matt Ickstadt b3679bcfba Implement x86 chkstk in "rust" 2017-09-15 18:04:59 -05:00
est31 0cd476220b Remove duplication by adding a macro 2017-09-14 17:39:25 +02:00
est31 3efae7f7d9 Convert add! to a function 2017-09-14 17:33:44 +02:00
est31 482d98318f Convert int_to_float! to a function 2017-09-14 16:32:50 +02:00
est31 ff63f7b80f Convert float_to_int! into a function 2017-09-14 14:59:32 +02:00
est31 a272d753f5 Don't use the Wrapping wrapper in float addition
Inspired by a patch by mattico.
2017-09-14 02:08:28 +02:00
est31 72ed4c8bce Don't use a macro for pow calculation 2017-09-14 01:59:02 +02:00
est31 8313cec597 Extend the Float trait by some constants and supertraits 2017-09-14 01:57:52 +02:00
est31 2c1d7dccc1 Use the newly added ONE constant in float addition 2017-09-14 00:10:16 +02:00
est31 46cfa05650 Introduce a float_impl! macro to avoid duplication 2017-09-13 22:44:56 +02:00
est31 9bdedec38e Refactor float builtins to use associated consts 2017-09-13 22:09:52 +02:00
est31 c9a261895e Refactor int builtins to use associated consts 2017-09-13 22:09:31 +02:00
Tim Neumann c138713df1 Avoid memcpy references in unoptimized code 2017-07-22 23:10:30 +02:00
Oliver Middleton 064452423a Don't include custom chkstk on MSVC
MSVC includes its own __chkstk so these aren't used.
2017-07-12 22:40:49 +01:00
Alex Crichton 91eaa85902 Don't mangle probes all the time 2017-07-07 20:35:14 -07:00
Alex Crichton f9f6bd0589 Tweak definition of probestack functions
It looks like the old `__rust_probestack` routine is incompatible with newer
linux kernels. My best guess for this is that the kernel's auto-growth logic is
failing to trigger, causing what looks like a legitimate segfault to get
delivered. My best guess for why *that's* happening is that the faulting address
is below `%rsp`, whereas previously all faulting stack addresses were above
`%rsp`. The probestack routine does not modify `%rsp` as it's probing the stack,
and presumably newer kernels are interpreting this as a legitimate violation.

This commit tweaks the probestack routine to instead update `%rsp` incrementally
as probing happens. The ABI of the function, however, requires that `%rsp`
isn't changed as part of the function so it's restored at the end to the
previous value.
2017-07-07 10:16:03 -07:00
Alex Crichton 7ccf8408d0 Add `__rust_probestack` intrinsic
Will be required for rust-lang/rust#42816
2017-07-06 06:58:32 -07:00
Alex Crichton 238647af80 Fix unused imports on iOS 2017-07-03 19:11:34 -07:00
Alex Crichton 681aaa914d Use the Rust implementation of udivsi3 on ARM
Although compiler-rt presumably has a more optimized implementation written in
assembly, it appears buggy for whatever reason, causing #173.

For now let's see if integration into rust-lang/rust will work with the
Rust-defined implementation!
2017-07-03 09:48:11 -07:00
Jorge Aparicio b8a662040e no aeabi_mem* symbols on iOS, weak symbols on thumb, normal symbols elsewhere 2017-06-30 18:06:25 -05:00
Jorge Aparicio 75c6ccca71 optimize 32-bit aligned mem{cpy,clr,set} intrinsics for ARM
this reduces the execution time of all these routines by 40-70%
2017-06-29 22:40:58 -05:00
Alex Crichton 0ebbcaede4 Enable the `intrinsics` program on thumb 2017-06-25 10:09:50 -07:00
Alex Crichton afe5c717a9 Address review comments 2017-06-24 21:51:34 -07:00
Alex Crichton c193113721 Don't test mangled names on thumb
We are both the "real compiler-rt" and the "to be tested one".
2017-06-24 12:54:35 -07:00
Alex Crichton acaa2f071a Don't check for references to panics with debug assertions 2017-06-24 11:44:50 -07:00
Alex Crichton d051480eff Don't generate unmangled aeabi with gen-tests
The symbols they delgate to also don't exist...
2017-06-24 11:34:10 -07:00
Alex Crichton 91b1291dc5 Don't try to work with `cargo test` 2017-06-24 10:22:49 -07:00
Alex Crichton 734ec3d31c Tweak testing and such:
* Don't run `intrinsics` tests on thumb
* Disable `compiler_builtins` attribute on `feature = "gen-tests"`
* Disable mangling on `feature = "gen-tests"` instead of `cfg(test)`
2017-06-24 10:10:04 -07:00
Alex Crichton 2147753559 Remove usage of unwrap_or_else 2017-06-23 21:31:54 -07:00
Alex Crichton 4dac0be751 Don't derive Debug for Sign 2017-06-23 21:11:31 -07:00
Alex Crichton b42d267065 Don't compile assembly on x86_64 Windows
They've all got the wrong ABI...
2017-06-23 21:09:24 -07:00
Alex Crichton eabb6fab4a Shore up docs in the macros module 2017-06-23 16:28:50 -07:00
Alex Crichton 7de57cd4f9 Handle aeabi aliasing
Objects in compiler-rt may have two symbols, so this makes sure that we don't
bring in those objects by accident by defining the aliases ourselves.
2017-06-23 15:55:11 -07:00
Alex Crichton a839d53a02 Deal with floatdidf on x86_64
Apparently LLVM will lower this down to just an instruction
2017-06-23 13:28:24 -07:00
Alex Crichton 5172f8c218 Tweak usage of C shims on MSVC 2017-06-23 12:03:33 -07:00
Alex Crichton a16ebb0dcb Use `nm` to weed out panics 2017-06-23 11:52:22 -07:00
Alex Crichton 5a444d58f2 Remove unused rust file 2017-06-23 11:21:36 -07:00
Alex Crichton 7c4745061a Remove executable bit on arm.rs 2017-06-23 11:21:15 -07:00
Alex Crichton 83d63eaa9b Convert float intrinsics to the `intrinsics!` macro 2017-06-23 11:05:25 -07:00
Alex Crichton 93fed264c1 Remove executable bit from conv.rs 2017-06-23 10:44:59 -07:00
Alex Crichton 4c41b5649f Fix use_c_shim_if 2017-06-23 07:54:31 -07:00
Alex Crichton 47ff81325c Use more intrinsics on msvc 2017-06-23 07:53:34 -07:00
Alex Crichton 12a0038250 Fix the abi hack on windows 2017-06-22 23:36:50 -07:00
Alex Crichton d17042106f Port udiv to the `intrinsics!` macro 2017-06-22 23:23:36 -07:00
Alex Crichton 7886ae275b Port sdiv to traits + `intrinsics!`
Enhance `intrinsics!` along the way!
2017-06-22 23:09:28 -07:00
Alex Crichton 275d1032b5 Port mul intrinsics to traits
Also add a few features to the `intrinsics!` macro
2017-06-22 22:36:37 -07:00
Alex Crichton eeb44abacf Remove executable bit from mod.rs 2017-06-22 22:04:40 -07:00
Alex Crichton 2f2bb32e40 Use traits instead of macros for shift intrinsics
This is an attempt to tidy up the definition of intrinsics by making them more
rust-like at the definition site and using traits instead of macros for the
definition. Additionally the helper macro, `intrinsics!`, now fills in a
definition for #[cfg]'d off intrinsics when compiling with C code
2017-06-22 22:03:07 -07:00
Jorge Aparicio b2f72e1eb1 remove unused macros
to fix warnings
2017-06-01 07:40:50 -05:00
est31 673a6f9948 Fix overflow bug when creating the absolute value
Previously, the tests failed on some platforms due to it.
2017-05-08 04:30:48 +02:00
est31 f90792e1bc Add i128 <-> float conversion functions 2017-05-06 02:22:54 +02:00
est31 144e54d7b0 Rename float conversion macros to something nicer 2017-05-05 23:31:41 +02:00
Jorge Aparicio 19b2efdf36 move intrinsics test from src/bin to examples
with this change the libc crate is not required when calling `cargo build -p
compiler-builtins`
2017-04-11 17:09:05 -05:00
Jorge Aparicio d34c51f74a remove arm tests from the old test suite 2017-04-10 16:35:08 -05:00
Jorge Aparicio b8e8c7f693 no_std compatible tester 2017-04-10 14:38:17 -05:00
Jorge Aparicio cc0d8ba2d1 remove the current test suite 2017-04-10 11:14:05 -05:00
bors 28ac4908f8 Auto merge of #147 - rust-lang-nursery:conv, r=japaric
Conversion from&to float<->integer

this is a rebased version of #139

cc @ithinuel
2017-04-08 15:20:35 +00:00
Jorge Aparicio 109c33ed0a test out of range condition using f64
to avoid imprecision due to rounding to f32
2017-04-08 10:18:19 -05:00
Jorge Aparicio 2faec6a4fb fix debug assertion in modsi3 / moddi3
fixes #151
this fix is very similar to #149
2017-03-13 20:40:44 -05:00
bors 9681358dc5 Auto merge of #149 - rust-lang-nursery:gh148, r=alexcrichton
fix debug assertion in divdi3

fixes #148

r? @alexcrichton
2017-03-07 00:38:33 +00:00
Jorge Aparicio c93b32b3e5 fix debug assertion in divdi3
fixes #148
2017-03-06 17:46:11 -05:00
Jorge Aparicio 4c556dc9e7 fix quickcheck tests
the check! macro syntax has changed
2017-03-06 12:17:41 -05:00
Jorge Aparicio c6e06f4157 refactor 'impl Int' 2017-03-06 12:17:10 -05:00
Wilfried Chauveau 09d2f2f1f5 exclude from tests values out of integer range (and NaN). 2017-03-06 11:56:52 -05:00
Wilfried Chauveau d96102d270 implement float/double to (u)int conversion. 2017-03-06 11:56:52 -05:00
Wilfried Chauveau 293fef5ebe impl (unsigned/signed) int to single/double precision float conversion based on llvm algorithms. 2017-03-06 11:55:57 -05:00
Jorge Aparicio 644a1c9ac9 fix infinite recursion in divmoddi4 / mulodi4
on ARMv7-M processors, divmoddi4 was calling mulodi4 and mulodi4 was calling
divmoddi4 leading to infinite recursion. This commit breaks the cycle by using
wrapping multiplication in divmoddi4.

fixes #145
2017-03-06 10:38:19 -05:00
Jorge Aparicio 5bb969d8f5 implement float subtraction
as a + (-b)
2017-02-08 10:10:40 -05:00
Jorge Aparicio 47b45d1d62 adjust the check! macro to accept AAPCS intrinsics 2017-02-07 23:07:51 -05:00
Jorge Aparicio 57085be2ea ARM: keep some non-aeabi symbols around
- multi3: there's no aeabi equivalent
- divmod{s,d}i4: these are directly called by __aeabi_{l,i}divmod
- add{s,d}f3: required by the C sub{s,d}f3 implementation

but make sure they also use the AAPCS calling convention
2017-02-07 14:28:02 -05:00
Jorge Aparicio dfa7b161aa use AAPCS calling convention on all aeabi intrinsics
also, on ARM, inline(always) the actual implementation of the intrinsics so we
end with code like this:

```
00000000 <__aeabi_dadd>:
    (implementation here)
```

instead of "trampolines" like this:

```
00000000 <__aeabi_dadd>:
    (shuffle registers)
    (call __adddf3)

00000000 <__adddf3>:
    (implementation here)
```

closes #116
2017-02-07 09:41:26 -05:00
est31 37d349015e Disable quickcheck tests on mips
Two reasons:
    * the C versions __divti3 and __modti3 are apparently broken,
      at least when used in quickcheck. They change their own arguments.
    * compiler_rt's support for mips is disabled already on clang [1].
      Its desireable to support working "cargo test" on that compiler
      as well, and not greet the tester with linker errors.

[1]: http://llvm.org/viewvc/llvm-project?view=revision&revision=224488
2017-02-04 12:23:45 +01:00
est31 f8a4e3fd70 Panic when invalid overflow value is returned 2017-02-04 01:39:19 +01:00
est31 b78e956f08 Add quickcheck tests 2017-02-03 23:46:15 +01:00
est31 417b07b821 Add newly implemented intrinsics to test file 2017-02-03 01:51:46 +01:00
est31 9013dbef02 u128 sdiv intrinsics 2017-02-02 22:13:28 +01:00
est31 2f3c534cfe u128 udiv intrinsics 2017-02-02 22:11:14 +01:00
est31 8fe50d813c Macro-ify udivmod 2017-02-02 22:03:42 +01:00
est31 1e27c3f937 i128 shift intrinsics 2017-02-02 22:02:51 +01:00
est31 3055aa21b6 i128 mul intrinsics 2017-02-02 21:36:56 +01:00
est31 b356429374 int module: macro-ify trait impls and add {u,i}128 support 2017-02-02 21:36:02 +01:00
est31 a2e2ec1a18 Add i128 to lib.rs as feature 2017-02-02 21:27:11 +01:00
Jorge Aparicio b6f059d627 fix the build
the unused macro_use crate lint has tightened; fix the new warnings
2017-01-26 16:17:23 -05:00