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
...
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
...
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
...
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
...
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!`
...
Enhance `intrinsics!` along the way!
2017-06-22 23:09:28 -07:00
275d1032b5
Port mul intrinsics to traits
...
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
...
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
...
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
...
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
53da94d74f
more #[no_mangle]
2016-12-31 10:04:40 -05:00
3992ed1e7a
CI: use a recent nightly
...
- add #[no_mangle] to the panic_fmt lang item to adjust to changes in
the visibility algorithm
- adjust to changes in the layout of Cargo's target directory
- use a newer Xargo to reduce the build time of the sysroot (only core
is compiled as part of the sysroot now)
2016-12-31 10:04:40 -05:00
9897bfb8a9
Fix memset arguments for MSP430 target.
...
On MSP430 second argument to memset has i16 type instead of i32.
2016-12-19 05:31:20 +03:00
a1caa7ccac
add implementations of memcpy et al
...
behind the "mem" Cargo feature, which used to be named "weak"
fixes #126
2016-12-17 23:06:37 -05:00
3484b2b68e
by default, mark this crate as the #![compiler_builtins] crate
...
as this is how most users will want to use this crate
2016-12-11 16:18:43 -05:00
f68475e080
Use better cfg name for arm-linux tests
2016-11-12 15:52:59 -06:00
77ca63c511
Use correct lib name in qc test failure
2016-11-12 15:30:57 -06:00
655f642d3f
Add float quickcheck
2016-11-12 14:55:28 -06:00
4733417140
Fix a few clippy warnings
2016-10-16 13:53:31 +02:00
5d164a4eda
fix the powerpc64le target
...
by selecting a CPU that's compatible with the instructions that `rustc`
generates
2016-10-14 09:59:21 -05:00
a163ca7ac3
fix more warnings
2016-10-10 20:21:11 -05:00
e05caa1227
fix warnings
2016-10-10 19:45:34 -05:00
8f0847eb94
rename to compiler_builtins, add rust-lang/rust-ish crate attributes
2016-10-10 19:05:21 -05:00
24c0247c6a
add the compiler_builtins feature to src/lib.rs
2016-10-10 16:45:24 -05:00
d2a3c45a29
set crate_name and crate_type in src/lib.rs
2016-10-10 16:43:38 -05:00
96ddd4ed8d
use test::black_box instead of ptr::*_volatile
...
both prevent LLVM from optimizing away the intrinsics but the former
doesn't produce an `intrinsics` binary that segfaults
2016-10-07 18:26:21 -05:00
c82403551d
fix unsafe warnings
2016-10-07 18:19:40 -05:00
fd69beba29
get profile.dev (-debug-assertions) + LTO working
2016-10-07 18:19:40 -05:00
a21fb956f9
insert more `abort()` calls where division by zero may occur
2016-10-07 18:19:40 -05:00
a2ffc799d0
check that we don't have any call to panic in our implementations
2016-10-07 18:19:40 -05:00
534d22e287
panic! -> abort
...
closes #79
2016-10-07 18:19:40 -05:00
6622c49be6
Implement powi_f2
2016-10-03 11:20:42 -05:00
02140cddc9
Initial implementation of multitester
2016-10-02 14:38:40 -05:00
est31
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