root@surgut:/# lsb_release -c
Codename: natty
root@surgut:/# for i in 4 5 6; do gcc-4.$i -march=native -E -v -</dev/null 2>&1
| grep cc1; done;
/usr/lib/i386-linux-gnu/gcc/i686-linux-gnu/4.4.5/cc1 -E -quiet -v -
-D_FORTIFY_SOURCE=2 -march=prescott --param l1-cache-size=32 --param
l1-cache-line-size=64 --param l2-cache-size=2048 -mtune=generic
-fstack-protector
/usr/lib/i386-linux-gnu/gcc/i686-linux-gnu/4.5.2/cc1 -E -quiet -v -
-D_FORTIFY_SOURCE=2 -march=pentium-m --param l1-cache-size=32 --param
l1-cache-line-size=64 --param l2-cache-size=2048 -mtune=generic
-fstack-protector
natty
4.4 pass
4.5 fail
4.6 n/a
** Changed in: gcc-4.5 (Ubuntu)
Status: Incomplete => New
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https://bugs.launchpad.net/bugs/690460
Title:
Does not identify -march=native correctly [regression from gcc-4.4]
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