| Issue |
123605
|
| Summary |
Add missing F32->I64 vec_signede, F32->I64 vec_signedo, F32->U64 vec_unsignede, and F32->U64 vec_unsignedo to altivec.h header
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
johnplatts
|
GCC 15 has removed the __builtin_vsx_xvcvspsxds builtin and replaced the __builtin_vsx_xvcvspsxds builtin with F32->I64 vec_signede/vec_signedo intrinsics.
GCC 15 has also removed the __builtin_vsx_xvcvspuxds builtin and replaced the __builtin_vsx_xvcvspuxds builtin with F32->U64 vec_unsignede/vec_unsignedo intrinsics.
Clang already has the F64->I32 vec_signede/vec_signedo and F64->U32 vec_unsignede/vec_unsignedo intrinsics, but not the F32->I64 vec_signede/vec_signedo or the F32->U64 vec_unsignede/vec_unsignedo intrinsics.
The following functions need to be added to clang/lib/Headers/altivec.h:
- ```vector signed long long vec_signede(vector float a)```: equivalent to __builtin_vsx_xvcvspsxds on big-endian VSX and equivalent to `__builtin_vsx_xvcvspsxds(vec_sld(a, a, 4))` on little-endian VSX
- ```vector signed long long vec_signedo(vector float a)```: equivalent to __builtin_vsx_xvcvspsxds on little-endian VSX and equivalent to `__builtin_vsx_xvcvspsxds(vec_sld(a, a, 4))` on big-endian VSX
- ```vector unsigned long long vec_unsignede(vector float a)```: equivalent to __builtin_vsx_xvcvspuxds on big-endian VSX and equivalent to `__builtin_vsx_xvcvspuxds(vec_sld(a, a, 4))` on little-endian VSX
- ```vector unsigned long long vec_unsignedo(vector float a)```: equivalent to __builtin_vsx_xvcvspuxds on little-endian VSX and equivalent to `__builtin_vsx_xvcvspuxds(vec_sld(a, a, 4))` on big-endian VSX
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