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Make gcc ignore the distinction between +0.0 and -0.0, this allows it to
author
Michael Niedermayer
<michaelni@gmx.at>
Tue, 26 Feb 2008 22:01:11 +0000
(22:01 +0000)
committer
Michael Niedermayer
<michaelni@gmx.at>
Tue, 26 Feb 2008 22:01:11 +0000
(22:01 +0000)
change x+0.0 to x. Though it alone does not allow gcc to remove x*0.0,
that would also require -ffinite-math-only.
Originally committed as revision 12252 to svn://svn.ffmpeg.org/ffmpeg/trunk
configure
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diff --git
a/configure
b/configure
index
c38ab93
..
cbd5dac
100755
(executable)
--- a/
configure
+++ b/
configure
@@
-1824,6
+1824,7
@@
elif enabled optimizations; then
fi
fi
check_cflags -fno-math-errno
+check_cflags -fno-signed-zeros
# PIC flags for shared library objects where they are needed
if enabled shared; then