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zig/std/special/compiler_rt
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Andrew Kelley d21a1922eb support zig fmt: off and zig fmt: on between top level decls 
closes #1030
closes #1033
2018-06-04 12:15:02 -04:00
..
aulldiv.zig syntax: functions require return type. remove -> 2018-01-25 04:10:11 -05:00
aullrem.zig syntax: functions require return type. remove -> 2018-01-25 04:10:11 -05:00
comparetf2.zig run zig fmt on the codebase 2018-05-29 04:23:38 -04:00
fixuint.zig Merge branch 'master' into pointer-reform 2018-05-09 23:43:07 -04:00
fixunsdfdi_test.zig fix compiler-rt tests accidentally running std tests 2018-05-02 21:34:34 -04:00
fixunsdfdi.zig behavior tests passing with new pointer deref syntax 2018-05-01 01:53:04 -04:00
fixunsdfsi_test.zig fix compiler-rt tests accidentally running std tests 2018-05-02 21:34:34 -04:00
fixunsdfsi.zig behavior tests passing with new pointer deref syntax 2018-05-01 01:53:04 -04:00
fixunsdfti_test.zig run zig fmt on the codebase 2018-05-29 04:23:38 -04:00
fixunsdfti.zig syntax: functions require return type. remove -> 2018-01-25 04:10:11 -05:00
fixunssfdi_test.zig fix compiler-rt tests accidentally running std tests 2018-05-02 21:34:34 -04:00
fixunssfdi.zig syntax: functions require return type. remove -> 2018-01-25 04:10:11 -05:00
fixunssfsi_test.zig fix compiler-rt tests accidentally running std tests 2018-05-02 21:34:34 -04:00
fixunssfsi.zig syntax: functions require return type. remove -> 2018-01-25 04:10:11 -05:00
fixunssfti_test.zig fix compiler-rt tests accidentally running std tests 2018-05-02 21:34:34 -04:00
fixunssfti.zig behavior tests passing with new pointer deref syntax 2018-05-01 01:53:04 -04:00
fixunstfdi_test.zig fix compiler-rt tests accidentally running std tests 2018-05-02 21:34:34 -04:00
fixunstfdi.zig syntax: functions require return type. remove -> 2018-01-25 04:10:11 -05:00
fixunstfsi_test.zig fix compiler-rt tests accidentally running std tests 2018-05-02 21:34:34 -04:00
fixunstfsi.zig syntax: functions require return type. remove -> 2018-01-25 04:10:11 -05:00
fixunstfti_test.zig fix compiler-rt tests accidentally running std tests 2018-05-02 21:34:34 -04:00
fixunstfti.zig behavior tests passing with new pointer deref syntax 2018-05-01 01:53:04 -04:00
index.zig use * for pointer type instead of & 2018-05-31 17:28:07 -04:00
README.md add compiler-rt fns: udivmodti4, udivti3, umodti3 2017-08-18 16:26:09 -04:00
udivmod.zig use * for pointer type instead of & 2018-05-31 17:28:07 -04:00
udivmoddi4_test.zig support zig fmt: off and zig fmt: on between top level decls 2018-06-04 12:15:02 -04:00
udivmoddi4.zig use * for pointer type instead of & 2018-05-31 17:28:07 -04:00
udivmodti4_test.zig support zig fmt: off and zig fmt: on between top level decls 2018-06-04 12:15:02 -04:00
udivmodti4.zig use * for pointer type instead of & 2018-05-31 17:28:07 -04:00
udivti3.zig use * for pointer type instead of & 2018-05-31 17:28:07 -04:00
umodti3.zig use * for pointer type instead of & 2018-05-31 17:28:07 -04:00

README.md

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.