[PATCH] Simplified construction of constants for __popcountSI2/__popcountDI2 in libgcc2.c

[Stefan Kanthak]

The construction of the "magic" constants 0x55...55, 0x33...33, 0x0f...0f
and 0x01...01 in __popcountSI2 and __popcountDI2 with macros is awkward;
these constants can simply be written as ((UWtype) ~0 / 3),
((UWtype) ~0 / 5), ((UWtype) ~0 / 17) and ((UWtype) ~0 / 255)

Stefan Kanthak

libgcc2.patch
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