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bpo-29782: Consolidate _Py_Bit_Length()#20739

Merged

vstinner merged 21 commits intopython:masterpython/cpython:masterfrom

niklasf:bpo-29782-msbniklasf/cpython:bpo-29782-msbCopy head branch name to clipboard

Jun 15, 2020

Conversation Commits21 (21)Checks Files changed

Merged

bpo-29782: Consolidate _Py_Bit_Length()#20739
vstinner merged 21 commits intopython:masterfrom
niklasf:bpo-29782-msb

Commits

Commits on Jun 8, 2020

bpo-29782: Consolidate _Py_Bit_Length()
niklasf
committed
Specify required gcc version for __builtin_clzl
niklasf
committed
Fix _BitScanReverse usage
niklasf
committed
Document reason for include
niklasf
committed
Ensure future compatibility
niklasf
committed
Do not try to support GCC < 3.4
niklasf
committed
Coding style
niklasf
committed
Fix comment indent

niklasf
and
vstinner
authored
Do not factor out x != 0
niklasf
committed
Fix and move _Py_bit_length_digit()
niklasf
committed
Add unit test for _Py_bit_length()
niklasf
committed
Remove useless cast in test
niklasf
committed
Use original implementation as fallback
niklasf
committed
Re-enable intrinsics
niklasf
committed
Explicitly cast sizeof

niklasf
and
vstinner
authored
Better tests

niklasf
and
vstinner
authored
Explain Py_BUILD_ASSERT(sizeof(unsigned long) <= 4)
niklasf
committed
Use volatile so test actually runs intrinsic
niklasf
committed
Remove trailing spaces
niklasf
committed
_Py_bit_length_digit -> bit_length_digit
niklasf
committed
Fixup test expectations
niklasf
committed

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