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Yet another pop_1st_bit() optimization

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Always for 32 bit but withot relying on MSVC intrinsics.

It is very similar to previous ones, but this does not
segfaults due to -fno-strict-aliasing compiler option.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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Marco Costalba
2008-10-12 14:34:54 +02:00
parent a6017aa728
commit 3901affb1d
2 changed files with 29 additions and 20 deletions
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2
src/Makefile
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@@ -78,7 +78,7 @@ CXXFLAGS += -Wall -g
# General optimization flags. Note that -O2 might be faster than -O3 on some
# systems; this requires testing.
CXXFLAGS += -O3 -fno-exceptions -fomit-frame-pointer -fno-rtti -fstrict-aliasing
CXXFLAGS += -O3 -fno-exceptions -fomit-frame-pointer -fno-rtti -fno-strict-aliasing
# Disable most annoying warnings for the Intel C++ compiler