[committed] libstdc++: Resolve -Wsign-compare issue
Commit Message
pushed to master, will backport later
tested on x86_64-pc-linux-gnu and powerpc64le-linux-gnu
----------- 8< ------------
Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
libstdc++-v3/ChangeLog:
* include/experimental/bits/simd_ppc.h (_S_bit_shift_left):
Negative __y is UB, so prefer signed compare.
---
libstdc++-v3/include/experimental/bits/simd_ppc.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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Dr. Matthias Kretz https://mattkretz.github.io
GSI Helmholtz Centre for Heavy Ion Research https://gsi.de
stdₓ::simd
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@@ -64,7 +64,7 @@ _S_bit_shift_left(_SimdWrapper<_Tp, _Np> __x, int __y)
__x = _Base::_S_bit_shift_left(__x, __y);
if constexpr (sizeof(_Tp) < sizeof(int))
{
- if (__y >= sizeof(_Tp) * __CHAR_BIT__)
+ if (__y >= int(sizeof(_Tp) * __CHAR_BIT__))
return {};
}
return __x;