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447 Commits

Author SHA1 Message Date
Jorge Aparicio
1f26fea5d4 refactor 'impl Int' 2017-03-06 12:17:10 -05:00
Wilfried Chauveau
77889226f7 exclude from tests values out of integer range (and NaN). 2017-03-06 11:56:52 -05:00
Wilfried Chauveau
ef3de28eaf implement float/double to (u)int conversion. 2017-03-06 11:56:52 -05:00
Wilfried Chauveau
b3e33508a0 impl (unsigned/signed) int to single/double precision float conversion based on llvm algorithms. 2017-03-06 11:55:57 -05:00
Jorge Aparicio
cd96f53050 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
9916fa670c implement float subtraction 
as a + (-b)
 2017-02-08 10:10:40 -05:00
Jorge Aparicio
0dfe91f7cf adjust the check! macro to accept AAPCS intrinsics 2017-02-07 23:07:51 -05:00
Jorge Aparicio
57deccf6de 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
3a4e6ce2f4 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
70bda6dd1c 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
a01ee168c4 Panic when invalid overflow value is returned 2017-02-04 01:39:19 +01:00
est31
f15bf972bd Add quickcheck tests 2017-02-03 23:46:15 +01:00
est31
aeda7382d7 Add newly implemented intrinsics to test file 2017-02-03 01:51:46 +01:00
est31
b1561fc195 u128 sdiv intrinsics 2017-02-02 22:13:28 +01:00
est31
37a62269dc u128 udiv intrinsics 2017-02-02 22:11:14 +01:00
est31
9fd610d859 Macro-ify udivmod 2017-02-02 22:03:42 +01:00
est31
a38eee9ea1 i128 shift intrinsics 2017-02-02 22:02:51 +01:00
est31
19700fb03d i128 mul intrinsics 2017-02-02 21:36:56 +01:00
est31
8bb1010d51 int module: macro-ify trait impls and add {u,i}128 support 2017-02-02 21:36:02 +01:00
est31
b6e0dd2bf2 Add i128 to lib.rs as feature 2017-02-02 21:27:11 +01:00
Jorge Aparicio
e6bb6db8eb fix the build 
the unused macro_use crate lint has tightened; fix the new warnings
 2017-01-26 16:17:23 -05:00
James Duley
da48de4601 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
Jorge Aparicio
acbca64291 more #[no_mangle] 2016-12-31 10:04:40 -05:00
Jorge Aparicio
3ed64e2b50 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
Vadzim Dambrouski
a2671118ae 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
Jorge Aparicio
b8d6652035 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
Jorge Aparicio
6da988a43a 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
Matt Ickstadt
430c92cc9a Use better cfg name for arm-linux tests 2016-11-12 15:52:59 -06:00
Matt Ickstadt
94c0d475bc Use correct lib name in qc test failure 2016-11-12 15:30:57 -06:00
Matt Ickstadt
9b4553de1c Add float quickcheck 2016-11-12 14:55:28 -06:00
Christopher Serr
53c19053e4 Fix a few clippy warnings 2016-10-16 13:53:31 +02:00
Jorge Aparicio
ab4d5e62fb 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
Jorge Aparicio
77b5865b04 fix more warnings 2016-10-10 20:21:11 -05:00
Jorge Aparicio
3fe4f1c687 fix warnings 2016-10-10 19:45:34 -05:00
Jorge Aparicio
14c32a0369 rename to compiler_builtins, add rust-lang/rust-ish crate attributes 2016-10-10 19:05:21 -05:00
Jorge Aparicio
622a760d91 add the compiler_builtins feature to src/lib.rs 2016-10-10 16:45:24 -05:00
Jorge Aparicio
5f5c973cbe set crate_name and crate_type in src/lib.rs 2016-10-10 16:43:38 -05:00
Jorge Aparicio
2056d001cf 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
Jorge Aparicio
d05514cb20 fix unsafe warnings 2016-10-07 18:19:40 -05:00
Jorge Aparicio
a02ecc8eef get profile.dev (-debug-assertions) + LTO working 2016-10-07 18:19:40 -05:00
Jorge Aparicio
c9e3feb5e3 insert more abort() calls where division by zero may occur 2016-10-07 18:19:40 -05:00
Jorge Aparicio
fbf1cc0b75 check that we don't have any call to panic in our implementations 2016-10-07 18:19:40 -05:00
Jorge Aparicio
9f4632c829 panic! -> abort 
closes #79
 2016-10-07 18:19:40 -05:00
Matt Ickstadt
e6bc8007dd Implement powi_f2 2016-10-03 11:20:42 -05:00
Matt Ickstadt
ab4e4bfd71 Initial implementation of multitester 2016-10-02 14:38:40 -05:00
Jorge Aparicio
7009fd238d Revert "Merge pull request #48 from mattico/add_float_quickcheck" 
This reverts commit e34a6058df470e5b3d187c947ac41a294994c414, reversing
changes made to cab88e6133b0db9c6663ffd8b2f65cb35e8a9dda.
 2016-09-30 19:12:17 -05:00
Matt Ickstadt
43d85fa5cb Add Quickcheck types for float tests 2016-09-30 14:29:52 -05:00
Matt Ickstadt
ca01aa45ff Cleanup add builtin assignments 2016-09-30 14:29:52 -05:00
Matt Ickstadt
fde45da332 Add floating point deconstruction helpers 2016-09-30 14:29:52 -05:00
Jorge Aparicio
cb9b1f82e3 add an opt-in cargo feature to build intrinsics from compiler-rt source 
closes #63
cc #66
 2016-09-29 16:06:24 -05:00