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447 Commits

Author SHA1 Message Date
Tim Neumann
e377364051 Avoid memcpy references in unoptimized code 2017-07-22 23:10:30 +02:00
Oliver Middleton
45a7693962 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
2fa53c4b67 Don't mangle probes all the time 2017-07-07 20:35:14 -07:00
Alex Crichton
f4e92e379c 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
f771aac37a Add __rust_probestack intrinsic 
Will be required for rust-lang/rust#42816
 2017-07-06 06:58:32 -07:00
Alex Crichton
79b55c48ca Fix unused imports on iOS 2017-07-03 19:11:34 -07:00
Alex Crichton
e48cd1180b 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
b9d6291682 no aeabi_mem* symbols on iOS, weak symbols on thumb, normal symbols elsewhere 2017-06-30 18:06:25 -05:00
Jorge Aparicio
f096e02f63 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
6792390e3e Enable the intrinsics program on thumb 2017-06-25 10:09:50 -07:00
Alex Crichton
0e404583e8 Address review comments 2017-06-24 21:51:34 -07:00
Alex Crichton
f9db3c5b32 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
e7008c8609 Don't check for references to panics with debug assertions 2017-06-24 11:44:50 -07:00
Alex Crichton
3eff54a4ee 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
90dab55cb0 Don't try to work with cargo test 2017-06-24 10:22:49 -07:00
Alex Crichton
cec593c2aa 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
c785055bd9 Remove usage of unwrap_or_else 2017-06-23 21:31:54 -07:00
Alex Crichton
d5279752b0 Don't derive Debug for Sign 2017-06-23 21:11:31 -07:00
Alex Crichton
d3e78c5f6f 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
e8efe11f71 Shore up docs in the macros module 2017-06-23 16:28:50 -07:00
Alex Crichton
6db18f6536 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
78b290b61c 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
f091d05904 Tweak usage of C shims on MSVC 2017-06-23 12:03:33 -07:00
Alex Crichton
4dbe3aaf2d Use nm to weed out panics 2017-06-23 11:52:22 -07:00
Alex Crichton
11d3cffd30 Remove unused rust file 2017-06-23 11:21:36 -07:00
Alex Crichton
0e5562c38d Remove executable bit on arm.rs 2017-06-23 11:21:15 -07:00
Alex Crichton
bf2f5b5808 Convert float intrinsics to the intrinsics! macro 2017-06-23 11:05:25 -07:00
Alex Crichton
c53d1c7b7d Remove executable bit from conv.rs 2017-06-23 10:44:59 -07:00
Alex Crichton
57b8dd1812 Fix use_c_shim_if 2017-06-23 07:54:31 -07:00
Alex Crichton
5a36c4b54b Use more intrinsics on msvc 2017-06-23 07:53:34 -07:00
Alex Crichton
0d1138fad3 Fix the abi hack on windows 2017-06-22 23:36:50 -07:00
Alex Crichton
dd059dd1fc Port udiv to the intrinsics! macro 2017-06-22 23:23:36 -07:00
Alex Crichton
e80da4a48a Port sdiv to traits + intrinsics! 
Enhance `intrinsics!` along the way!
 2017-06-22 23:09:28 -07:00
Alex Crichton
285a69b29c Port mul intrinsics to traits 
Also add a few features to the `intrinsics!` macro
 2017-06-22 22:36:37 -07:00
Alex Crichton
13d1c5ce18 Remove executable bit from mod.rs 2017-06-22 22:04:40 -07:00
Alex Crichton
bd4a416457 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
1b379a495d remove unused macros 
to fix warnings
 2017-06-01 07:40:50 -05:00
est31
915c2fd0d3 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
7e5af82760 Add i128 <-> float conversion functions 2017-05-06 02:22:54 +02:00
est31
3254005570 Rename float conversion macros to something nicer 2017-05-05 23:31:41 +02:00
Jorge Aparicio
8dad658a6b 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
0869e5b93a remove arm tests from the old test suite 2017-04-10 16:35:08 -05:00
Jorge Aparicio
af0d6847d7 no_std compatible tester 2017-04-10 14:38:17 -05:00
Jorge Aparicio
05a5f4681f remove the current test suite 2017-04-10 11:14:05 -05:00
bors
95a216c6bf 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
07064c2239 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
0ef737f557 fix debug assertion in modsi3 / moddi3 
fixes #151
this fix is very similar to #149
 2017-03-13 20:40:44 -05:00
bors
42c4a1e5f2 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
74c6b91677 fix debug assertion in divdi3 
fixes #148
 2017-03-06 17:46:11 -05:00
Jorge Aparicio
0ecfe751b5 fix quickcheck tests 
the check! macro syntax has changed
 2017-03-06 12:17:41 -05:00