zig/std/special/compiler_rt
Andrew Kelley 3671582c15 syntax: functions require return type. remove ->
The purpose of this is:

 * Only one way to do things
 * Changing a function with void return type to return a possible
   error becomes a 1 character change, subtly encouraging
   people to use errors.

See #632

Here are some imperfect sed commands for performing this update:

remove arrow:

```
sed -i 's/\(\bfn\b.*\)-> /\1/g' $(find . -name "*.zig")
```

add void:

```
sed -i 's/\(\bfn\b.*\))\s*{/\1) void {/g' $(find ../ -name "*.zig")
```

Some cleanup may be necessary, but this should do the bulk of the work.
2018-01-25 04:10:11 -05:00
..
aulldiv.zig
aullrem.zig
comparetf2.zig
fixuint.zig
fixunsdfdi_test.zig
fixunsdfdi.zig
fixunsdfsi_test.zig
fixunsdfsi.zig
fixunsdfti_test.zig
fixunsdfti.zig
fixunssfdi_test.zig
fixunssfdi.zig
fixunssfsi_test.zig
fixunssfsi.zig
fixunssfti_test.zig
fixunssfti.zig
fixunstfdi_test.zig
fixunstfdi.zig
fixunstfsi_test.zig
fixunstfsi.zig
fixunstfti_test.zig
fixunstfti.zig
index.zig
README.md
udivmod.zig
udivmoddi4_test.zig
udivmoddi4.zig
udivmodti4_test.zig
udivmodti4.zig
udivti3.zig
umodti3.zig

This compiler-rt library is ported from LLVM.

It's needed because LLVM emits library calls to compiler-rt when hardware lacks functionality, for example, 64-bit integer multiplication on 32-bit x86.

This library is automatically built as-needed for the compilation target and then statically linked and therefore is a transparent dependency for the programmer.

Any bugs should be solved by trying to duplicate the bug upstream.

  • If the bug exists upstream, get it fixed with the LLVM team and then port the fix downstream to Zig.
  • If the bug only exists in Zig, something went wrong porting the code, and you can run the C code and Zig code side by side in a debugger to figure out what's happening differently.