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zig/std/special/compiler_rt
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vegecode c24a49a1a7 Fixes to divsf3 (#2186) 
* Fixes to divsf3

Embarrassingly failed to notice a section that was unchanged from where
it was copied from mulXf3.zig. The test cases for this function series
div{s,d,t}f3 are very incomplete and don't exercise all code paths.

Remove unnecessary switch from divsf3 left during development from when
I tried to make it generic to support f32, f64, and f128 in one go.

Make runtime safety dependent on whether a test is being run.

* divsf3: switch plus to minus
2019-04-05 11:04:46 -04:00
..
addXf3_test.zig
Use official llvm mirror for compiler-rt commit ref
2019-02-15 17:37:55 +13:00
addXf3.zig
Remove inline keywords in addXf3.zig pending #2154
2019-03-31 21:00:36 -05:00
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
Clean up outstanding compiler_rt todos
2018-07-03 13:22:12 +12:00
divsf3_test.zig
Add divsf3 to compiler rt
2019-04-04 15:38:09 -04:00
divsf3.zig
Fixes to divsf3 (#2186)
2019-04-05 11:04:46 -04:00
divti3_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
divti3.zig
rename std lib files to new convention
2019-03-02 16:46:04 -05:00
extendXfYf2_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
extendXfYf2.zig
add f16 type
2018-06-27 16:20:04 +02:00
fixdfdi_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixdfdi.zig
Add add compiler_rt routines for float to signed integer conversion
2018-12-12 00:21:42 -05:00
fixdfsi_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixdfsi.zig
Add add compiler_rt routines for float to signed integer conversion
2018-12-12 00:21:42 -05:00
fixdfti_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixdfti.zig
Add add compiler_rt routines for float to signed integer conversion
2018-12-12 00:21:42 -05:00
fixint_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixint.zig
Add add compiler_rt routines for float to signed integer conversion
2018-12-12 00:21:42 -05:00
fixsfdi_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixsfdi.zig
Add add compiler_rt routines for float to signed integer conversion
2018-12-12 00:21:42 -05:00
fixsfsi_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixsfsi.zig
Add add compiler_rt routines for float to signed integer conversion
2018-12-12 00:21:42 -05:00
fixsfti_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixsfti.zig
Add add compiler_rt routines for float to signed integer conversion
2018-12-12 00:21:42 -05:00
fixtfdi_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixtfdi.zig
Add add compiler_rt routines for float to signed integer conversion
2018-12-12 00:21:42 -05:00
fixtfsi_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixtfsi.zig
Add add compiler_rt routines for float to signed integer conversion
2018-12-12 00:21:42 -05:00
fixtfti_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixtfti.zig
Add add compiler_rt routines for float to signed integer conversion
2018-12-12 00:21:42 -05:00
fixuint.zig
Clean up outstanding compiler_rt todos
2018-07-03 13:22:12 +12:00
fixunsdfdi_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixunsdfdi.zig
behavior tests passing with new pointer deref syntax
2018-05-01 01:53:04 -04:00
fixunsdfsi_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixunsdfsi.zig
behavior tests passing with new pointer deref syntax
2018-05-01 01:53:04 -04:00
fixunsdfti_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixunsdfti.zig
syntax: functions require return type. remove ->
2018-01-25 04:10:11 -05:00
fixunssfdi_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixunssfdi.zig
syntax: functions require return type. remove ->
2018-01-25 04:10:11 -05:00
fixunssfsi_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixunssfsi.zig
syntax: functions require return type. remove ->
2018-01-25 04:10:11 -05:00
fixunssfti_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixunssfti.zig
behavior tests passing with new pointer deref syntax
2018-05-01 01:53:04 -04:00
fixunstfdi_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixunstfdi.zig
syntax: functions require return type. remove ->
2018-01-25 04:10:11 -05:00
fixunstfsi_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixunstfsi.zig
syntax: functions require return type. remove ->
2018-01-25 04:10:11 -05:00
fixunstfti_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
fixunstfti.zig
behavior tests passing with new pointer deref syntax
2018-05-01 01:53:04 -04:00
floattidf_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
floattidf.zig
remove @minValue,@maxValue; add std.math.minInt,maxInt
2018-10-26 15:01:51 -04:00
floattisf_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
floattisf.zig
remove @minValue,@maxValue; add std.math.minInt,maxInt
2018-10-26 15:01:51 -04:00
floattitf_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
floattitf.zig
remove @minValue,@maxValue; add std.math.minInt,maxInt
2018-10-26 15:01:51 -04:00
floatunditf_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
floatunditf.zig
Alignment fix and allow rudimentary f128 float printing
2018-06-30 21:58:59 +12:00
floatunsitf_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
floatunsitf.zig
Clean up outstanding compiler_rt todos
2018-07-03 13:22:12 +12:00
floatuntidf_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
floatuntidf.zig
remove @minValue,@maxValue; add std.math.minInt,maxInt
2018-10-26 15:01:51 -04:00
floatuntisf_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
floatuntisf.zig
remove @minValue,@maxValue; add std.math.minInt,maxInt
2018-10-26 15:01:51 -04:00
floatuntitf_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
floatuntitf.zig
remove @minValue,@maxValue; add std.math.minInt,maxInt
2018-10-26 15:01:51 -04:00
modti3_test.zig
fix @divFloor returning incorrect value and add __modti3
2019-04-04 15:45:37 -04:00
modti3.zig
fix @divFloor returning incorrect value and add __modti3
2019-04-04 15:45:37 -04:00
muloti4_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
muloti4.zig
rename std lib files to new convention
2019-03-02 16:46:04 -05:00
multi3_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
multi3.zig
rename std lib files to new convention
2019-03-02 16:46:04 -05:00
mulXf3_test.zig
add mulXf3 to compiler-rt
2019-03-22 17:46:49 -04:00
mulXf3.zig
fix @divFloor returning incorrect value and add __modti3
2019-04-04 15:45:37 -04:00
negXf2.zig
Add __aeabi_{f,d}neg and __neg{s,d,X}f2 to compiler-rt
2019-03-31 15:54:02 -05:00
popcountdi2_test.zig
add popcountdi2 to compiler_rt
2019-03-05 23:09:00 -05:00
popcountdi2.zig
add popcountdi2 to compiler_rt
2019-03-05 23:09:00 -05:00
README.md
add compiler-rt fns: udivmodti4, udivti3, umodti3
2017-08-18 16:26:09 -04:00
truncXfYf2_test.zig
compiler-rt: Add __addtf3, __subtf3 and __truncdfhf2
2019-02-13 23:24:52 +13:00
truncXfYf2.zig
compiler-rt: Add __addtf3, __subtf3 and __truncdfhf2
2019-02-13 23:24:52 +13:00
udivmod.zig
remove integer and float casting syntax
2018-06-17 02:57:07 -04:00
udivmoddi4_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
udivmoddi4.zig
use * for pointer type instead of &
2018-05-31 17:28:07 -04:00
udivmodti4_test.zig
std.debug.assert: remove special case for test builds
2019-02-08 18:23:38 -05:00
udivmodti4.zig
rename std lib files to new convention
2019-03-02 16:46:04 -05:00
udivti3.zig
use * for pointer type instead of &
2018-05-31 17:28:07 -04:00
umodti3.zig
rename std lib files to new convention
2019-03-02 16:46:04 -05:00

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.