root/xz
1
0
Fork 0
mirror of https://git.tukaani.org/xz.git synced 2025-11-04 15:32:55 +00:00
Code Issues Releases Wiki Activity

tuklib_integer.h: Changes two other UINT_MAX == UINT32_MAX to >=.

Browse Source
This commit is contained in:
Jia Tan 2023-05-04 19:25:20 +08:00
parent 44c0c5eae9
commit 6be460dde0
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/common/tuklib_integer.h
View File

@ -636,7 +636,7 @@ bsr32(uint32_t n)
#if defined(__INTEL_COMPILER)
return _bit_scan_reverse(n);
#elif (TUKLIB_GNUC_REQ(3, 4) || defined(__clang__)) && UINT_MAX == UINT32_MAX
#elif (TUKLIB_GNUC_REQ(3, 4) || defined(__clang__)) && UINT_MAX >= UINT32_MAX
// GCC >= 3.4 has __builtin_clz(), which gives good results on
// multiple architectures. On x86, __builtin_clz() ^ 31U becomes
// either plain BSR (so the XOR gets optimized away) or LZCNT and
@ -690,7 +690,7 @@ clz32(uint32_t n)
#if defined(__INTEL_COMPILER)
return _bit_scan_reverse(n) ^ 31U;
#elif (TUKLIB_GNUC_REQ(3, 4) || defined(__clang__)) && UINT_MAX == UINT32_MAX
#elif (TUKLIB_GNUC_REQ(3, 4) || defined(__clang__)) && UINT_MAX >= UINT32_MAX
return (uint32_t)__builtin_clz(n);
#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))