e8ea848785
Fix argument order for __sync_val_compare_and_swap
2017-12-23 08:45:25 +01:00
0fe7c79389
Replace inline asm with function calls in __kuser_cmpxchg and __kuser_memory_barrier
2017-12-20 01:57:05 +00:00
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
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
bcc41a9b8d
Autogenerate the add/sub tests
2017-11-25 06:25:19 -08:00
ed89a17f25
Make them all `pub`
2017-11-25 05:53:53 -08:00
665f268872
Tweak addo & subo to try and fix MIPS
2017-11-25 05:26:24 -08:00
5e71218390
Implement all the 128-bit operator lang items from rust PR 46093
2017-11-25 04:21:05 -08:00
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
8bb30026c7
Implement divsf3 and divdf3
2017-11-13 20:22:27 -05:00
897048543f
Implement mulsf3 and muldf3
2017-11-08 17:36:34 -05:00
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
73e38dcf2f
Add atomic support for pre-ARMv6 on Linux
2017-10-05 12:44:12 +01:00
c781759498
Partially revert a272d753f5
...
This partially reverts commit "Convert float_to_int! into a function"
2017-09-29 02:20:27 +02:00
a20840262e
Partially revert 482d98318f
...
This partially reverts "Convert int_to_float! to a function".
2017-09-29 02:19:40 +02:00
a40cc6a12d
Don't compile probestack functions during testing
2017-09-15 18:13:06 -05:00
b3679bcfba
Implement x86 chkstk in "rust"
2017-09-15 18:04:59 -05:00
0cd476220b
Remove duplication by adding a macro
2017-09-14 17:39:25 +02:00
3efae7f7d9
Convert add! to a function
2017-09-14 17:33:44 +02:00
482d98318f
Convert int_to_float! to a function
2017-09-14 16:32:50 +02:00
ff63f7b80f
Convert float_to_int! into a function
2017-09-14 14:59:32 +02:00
a272d753f5
Don't use the Wrapping wrapper in float addition
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Inspired by a patch by mattico.
2017-09-14 02:08:28 +02:00
72ed4c8bce
Don't use a macro for pow calculation
2017-09-14 01:59:02 +02:00
8313cec597
Extend the Float trait by some constants and supertraits
2017-09-14 01:57:52 +02:00
2c1d7dccc1
Use the newly added ONE constant in float addition
2017-09-14 00:10:16 +02:00
46cfa05650
Introduce a float_impl! macro to avoid duplication
2017-09-13 22:44:56 +02:00
9bdedec38e
Refactor float builtins to use associated consts
2017-09-13 22:09:52 +02:00
c9a261895e
Refactor int builtins to use associated consts
2017-09-13 22:09:31 +02:00
c138713df1
Avoid memcpy references in unoptimized code
2017-07-22 23:10:30 +02:00
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
91eaa85902
Don't mangle probes all the time
2017-07-07 20:35:14 -07:00
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
7ccf8408d0
Add `__rust_probestack` intrinsic
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Will be required for rust-lang/rust#42816
2017-07-06 06:58:32 -07:00
238647af80
Fix unused imports on iOS
2017-07-03 19:11:34 -07:00
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
b8a662040e
no aeabi_mem* symbols on iOS, weak symbols on thumb, normal symbols elsewhere
2017-06-30 18:06:25 -05:00
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
0ebbcaede4
Enable the `intrinsics` program on thumb
2017-06-25 10:09:50 -07:00
afe5c717a9
Address review comments
2017-06-24 21:51:34 -07:00
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
acaa2f071a
Don't check for references to panics with debug assertions
2017-06-24 11:44:50 -07:00
d051480eff
Don't generate unmangled aeabi with gen-tests
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The symbols they delgate to also don't exist...
2017-06-24 11:34:10 -07:00
91b1291dc5
Don't try to work with `cargo test`
2017-06-24 10:22:49 -07:00
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
2147753559
Remove usage of unwrap_or_else
2017-06-23 21:31:54 -07:00
4dac0be751
Don't derive Debug for Sign
2017-06-23 21:11:31 -07:00
b42d267065
Don't compile assembly on x86_64 Windows
...
They've all got the wrong ABI...
2017-06-23 21:09:24 -07:00
eabb6fab4a
Shore up docs in the macros module
2017-06-23 16:28:50 -07:00
7de57cd4f9
Handle aeabi aliasing
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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
a839d53a02
Deal with floatdidf on x86_64
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Apparently LLVM will lower this down to just an instruction
2017-06-23 13:28:24 -07:00
5172f8c218
Tweak usage of C shims on MSVC
2017-06-23 12:03:33 -07:00
a16ebb0dcb
Use `nm` to weed out panics
2017-06-23 11:52:22 -07:00
5a444d58f2
Remove unused rust file
2017-06-23 11:21:36 -07:00
7c4745061a
Remove executable bit on arm.rs
2017-06-23 11:21:15 -07:00
83d63eaa9b
Convert float intrinsics to the `intrinsics!` macro
2017-06-23 11:05:25 -07:00
93fed264c1
Remove executable bit from conv.rs
2017-06-23 10:44:59 -07:00
4c41b5649f
Fix use_c_shim_if
2017-06-23 07:54:31 -07:00
47ff81325c
Use more intrinsics on msvc
2017-06-23 07:53:34 -07:00
12a0038250
Fix the abi hack on windows
2017-06-22 23:36:50 -07:00
d17042106f
Port udiv to the `intrinsics!` macro
2017-06-22 23:23:36 -07:00
7886ae275b
Port sdiv to traits + `intrinsics!`
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Enhance `intrinsics!` along the way!
2017-06-22 23:09:28 -07:00
275d1032b5
Port mul intrinsics to traits
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Also add a few features to the `intrinsics!` macro
2017-06-22 22:36:37 -07:00
eeb44abacf
Remove executable bit from mod.rs
2017-06-22 22:04:40 -07:00
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
b2f72e1eb1
remove unused macros
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to fix warnings
2017-06-01 07:40:50 -05:00
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
f90792e1bc
Add i128 <-> float conversion functions
2017-05-06 02:22:54 +02:00
144e54d7b0
Rename float conversion macros to something nicer
2017-05-05 23:31:41 +02:00
19b2efdf36
move intrinsics test from src/bin to examples
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with this change the libc crate is not required when calling `cargo build -p
compiler-builtins`
2017-04-11 17:09:05 -05:00
d34c51f74a
remove arm tests from the old test suite
2017-04-10 16:35:08 -05:00
b8e8c7f693
no_std compatible tester
2017-04-10 14:38:17 -05:00
cc0d8ba2d1
remove the current test suite
2017-04-10 11:14:05 -05:00
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
109c33ed0a
test out of range condition using f64
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to avoid imprecision due to rounding to f32
2017-04-08 10:18:19 -05:00
2faec6a4fb
fix debug assertion in modsi3 / moddi3
...
fixes #151
this fix is very similar to #149
2017-03-13 20:40:44 -05:00
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
c93b32b3e5
fix debug assertion in divdi3
...
fixes #148
2017-03-06 17:46:11 -05:00
4c556dc9e7
fix quickcheck tests
...
the check! macro syntax has changed
2017-03-06 12:17:41 -05:00
c6e06f4157
refactor 'impl Int'
2017-03-06 12:17:10 -05:00
09d2f2f1f5
exclude from tests values out of integer range (and NaN).
2017-03-06 11:56:52 -05:00
d96102d270
implement float/double to (u)int conversion.
2017-03-06 11:56:52 -05:00
293fef5ebe
impl (unsigned/signed) int to single/double precision float conversion based on llvm algorithms.
2017-03-06 11:55:57 -05:00
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
5bb969d8f5
implement float subtraction
...
as a + (-b)
2017-02-08 10:10:40 -05:00
47b45d1d62
adjust the check! macro to accept AAPCS intrinsics
2017-02-07 23:07:51 -05:00
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
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
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
f8a4e3fd70
Panic when invalid overflow value is returned
2017-02-04 01:39:19 +01:00
b78e956f08
Add quickcheck tests
2017-02-03 23:46:15 +01:00
417b07b821
Add newly implemented intrinsics to test file
2017-02-03 01:51:46 +01:00
9013dbef02
u128 sdiv intrinsics
2017-02-02 22:13:28 +01:00
2f3c534cfe
u128 udiv intrinsics
2017-02-02 22:11:14 +01:00
8fe50d813c
Macro-ify udivmod
2017-02-02 22:03:42 +01:00
1e27c3f937
i128 shift intrinsics
2017-02-02 22:02:51 +01:00
3055aa21b6
i128 mul intrinsics
2017-02-02 21:36:56 +01:00
b356429374
int module: macro-ify trait impls and add {u,i}128 support
2017-02-02 21:36:02 +01:00
a2e2ec1a18
Add i128 to lib.rs as feature
2017-02-02 21:27:11 +01:00
b6f059d627
fix the build
...
the unused macro_use crate lint has tightened; fix the new warnings
2017-01-26 16:17:23 -05:00
ee0aacf4be
mul.rs: use wrapping_mul not plain
...
rustc in debug mode with a plain multiplication will call @llvm.umul.with.overflow.* which may call the builtin resulting in infinite recursion.
2017-01-02 22:57:38 +13:00
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