18758 Commits

Author SHA1 Message Date
Veikka Tuominen
eee8fffec7 stage2: implement error return traces 2022-05-16 17:42:51 -07:00
Andrew Kelley
5888446c03
Merge pull request #11316 from wsengir/stage2-overflow-safety
stage2: vectorized overflow arithmetic, integer overflow safety, left-shift overflow safety
2022-05-16 20:40:57 -04:00
Thiago Teodoro Pereira Silva
7a4758ed78
std.os: add timerfd_create, timerfd_settime and timerfd_gettime 2022-05-17 00:56:33 +02:00
leesongun
1de7b8d26c
std.math.powi: use standard definition of underflow/overflow, implement u0, i0, i1 edge case (#11499) 2022-05-16 18:28:20 -04:00
Isaac Freund
1392c24166 std.os: Add memfd_create for FreeBSD
This is minorly breaking as e.g. std.os.linux.MFD_CLOEXEC is now
std.os.linux.MFD.CLOEXEC.
2022-05-16 17:43:44 -04:00
Andrew Kelley
f33b3fc3ea zig.h: add casts for overflow arithmetic operations
This avoids the following error:

```
error: incompatible pointer types passing 'int64_t *' (aka 'long long *') to parameter of type 'long *'
    overflow = __builtin_saddl_overflow(lhs, rhs, res);
                                                  ^~~
```

My previous understanding was that this error would not occur because
prior to this line we check that int64_t is equivalent to long, like
this:

```c
```

However, it appears that this is still a warning in C if int64_t is
primarily aliased to `long long`, even though `long` and `long long` are
the same thing.
2022-05-16 14:30:28 -07:00
Jakub Konka
a0de0adb8e arm: disable recursive fibonacci 2022-05-16 13:55:26 -07:00
Jakub Konka
7f96ca101a arm: sub_with_overflow should always track V flag 2022-05-16 13:55:26 -07:00
Jakub Konka
852c820841 aarch64: sub_with_overflow should always track V flag 2022-05-16 13:55:26 -07:00
Andrew Kelley
a84be7e988 zig.h: improve overflow shl
* zig_addo_u128: fix type-o
 * redo the shift-left overflow inline functions. no need to depend on
   compiler-rt.
2022-05-16 13:55:26 -07:00
Luuk de Gram
160aa4c11d wasm: Improve shl_with_overflow
This re-implements the shl_with_overflow operation from scratch,
making it a lot more robust and outputs the equal code to the LLVM backend.
2022-05-16 13:55:26 -07:00
Luuk de Gram
0a2d3d4155 wasm: Improve overflow add/sub for ints <= 64bits
The implementation for add_with_overflow and sub_with_overflow is now a lot
more robust and takes account for signed integers and arbitrary integer bitsizes.
The final output is equal to that of the LLVM backend.
2022-05-16 13:55:26 -07:00
Jakub Konka
b94d165b69 x64: fix capacity prealloc limit in lowerToMrEnc helper 2022-05-16 13:55:26 -07:00
Andrew Kelley
316bf4fce5 disable 5 failing stage2_wasm tests 2022-05-16 13:55:26 -07:00
Andrew Kelley
03ed0f0d28 C backend: implement overflow arithmetic
Most of the work here was additions to zig.h. The lowering code is
mainly responsible for calling the correct function name depending on
the operand type.

Some of the compiler-rt calls here are not implemented yet and are
non-standard symbols due to the C programming language not needing them.

After this commit, the behavior tests with -ofmt=c are passing again.
2022-05-16 13:55:26 -07:00
William Sengir
a5ea22d069 LLVM: correctly pad result tuple of airOverflow 2022-05-16 13:55:26 -07:00
William Sengir
bb3532e775 stage2: add more vector overflow tests 2022-05-16 13:55:26 -07:00
William Sengir
21be3d9166 stage2: add vectorized overflow arithmetic behavior tests 2022-05-16 13:55:26 -07:00
William Sengir
afc714d5e5 stage2: implement runtime safety checks for shl_exact 2022-05-16 13:55:26 -07:00
William Sengir
c2980f332e Sema: implement integer overflow safety for add, sub, mul 2022-05-16 13:55:26 -07:00
William Sengir
eb06c78a8a Sema: vectorize overflow arithmetic 2022-05-16 13:55:26 -07:00
William Sengir
86a928ce61 stage2: perform comptime vectorization of *_with_overflow in Value 2022-05-16 13:55:26 -07:00
William Sengir
e8117bab6f stage2: clean up creation of boolean Values 2022-05-16 13:55:26 -07:00
William Sengir
6b5c87957b stage2: handle vectors in Value.intFitsInType 2022-05-16 13:55:26 -07:00
William Sengir
ca1ab38d3a stage2: add global Type constant for u1 2022-05-16 13:55:26 -07:00
William Sengir
c2cb9b7cad stage2: vectorize shl_with_overflow in LLVM backend 2022-05-16 13:55:26 -07:00
William Sengir
c641fb8f05 stage2: fix {add,sub,mul}_with_overflow vectorization in LLVM backend 2022-05-16 13:55:26 -07:00
Koakuma
b618dbdf69 stage2: sparc64: Implement SPARCv9 mulx 2022-05-16 23:30:54 +07:00
Koakuma
7245aad689 stage2: sparc64: Implement airBinOp for addition 2022-05-16 23:30:54 +07:00
Koakuma
67a1fedf84 stage2: sparc64: Implement airUnwrapErrErr 2022-05-16 23:30:54 +07:00
Koakuma
77eef33c04 stage2: sparc64: Implement airStructFieldPtrIndex 2022-05-16 23:30:54 +07:00
Koakuma
26116211ec stage2: sparc64: Implement inline memcpy for genSetStack 2022-05-16 23:30:54 +07:00
Koakuma
7822426ff2 stage2: sparc64: Implement airSliceElemVal 2022-05-16 23:30:54 +07:00
Koakuma
ccf438e4de stage2: sparc64: Replace freezeRegs with RegisterLock 2022-05-16 23:30:54 +07:00
Koakuma
26e3d36d74 stage2: sparc64: Implement airSliceLen 2022-05-16 23:30:54 +07:00
Koakuma
8ea80fdf7a stage2: sparc64: Implement airLoop 2022-05-16 23:30:47 +07:00
Koakuma
e4a725c597 stage2: sparc64: Implement airBitCast 2022-05-16 23:17:11 +07:00
Koakuma
0c8ce9ed9d stage2: sparc64: Implement airCmp 2022-05-16 23:17:11 +07:00
Koakuma
ae2d6b7eea stage2: sparc64: Add BPr support for airCondBr 2022-05-16 23:17:11 +07:00
Koakuma
e057ff2496 stage2: sparc64: Implement SPARCv9 bpr 2022-05-16 23:17:11 +07:00
Koakuma
8f8853cd4f stage2: sparc64: Implement airLoad/airStore 2022-05-16 23:17:06 +07:00
Koakuma
0b54649cac stage2: sparc64: Implement error value generation 2022-05-16 22:48:49 +07:00
Koakuma
3ab6634370 stage2: sparc64: Implement airAlloc 2022-05-16 22:48:49 +07:00
Koakuma
339b0517b3 stage2: sparc64: Implement SPARCv9 bpcc 2022-05-16 22:48:49 +07:00
Koakuma
5d260eb573 stage2: sparc64: Implement SPARCv9 subcc 2022-05-16 22:47:53 +07:00
Koakuma
2770f9a034 stage2: sparc64: Implement airBr 2022-05-16 22:47:53 +07:00
Koakuma
b6de8d2565 stage2: sparc64: Implement airUnwrapErrPayload 2022-05-16 22:47:53 +07:00
Koakuma
2dc2ab091e stage2: sparc64: Implement airCondBr from flags register 2022-05-16 22:47:53 +07:00
Koakuma
fd781195de stage2: sparc64: Split the conditionals between integer and FP ones
On SPARCv9 the integer and FP conditional branch codes doesn't align
with each other at all, so the two need to be treated separately.
2022-05-16 22:47:52 +07:00
Koakuma
662a61fcc3 stage2: sparc64: Implement airIsErr and airIsNonErr 2022-05-16 22:47:52 +07:00