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From:	"Morris, Philip" <prm AT mc DOT com>
To:	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Date:	Sun, 15 May 2011 05:27:17 -0400
Subject:	RE: Problem compiling with SSE intrinsics and -O3
Message-ID:	<415FD5BDB605964FBFF583DB5444679D7C237865@CHM-MBX1.ad.mc.com>
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FYI the error is directly related to the inclusion of the _mm_xor_ps() intr=
insic, replacing this with, say _mm_sub_ps() and it compiles without a prob=
lem.

Here is the output of -v compile

$ gcc -v -msse2 -O3 -c test.c
Reading specs from /usr/lib/gcc/i686-pc-cygwin/3.4.4/specs
Configured with: /managed/gcc-build/final-v3-bootstrap/gcc-3.4.4-999/config=
ure -
-verbose --program-suffix=3D-3 --prefix=3D/usr --exec-prefix=3D/usr --sysco=
nfdir=3D/etc
--libdir=3D/usr/lib --libexecdir=3D/usr/lib --mandir=3D/usr/share/man --inf=
odir=3D/usr/s
hare/info --enable-languages=3Dc,ada,c++,d,f77,pascal,java,objc --enable-nl=
s --wit
hout-included-gettext --enable-version-specific-runtime-libs --without-x --=
enabl
e-libgcj --disable-java-awt --with-system-zlib --enable-interpreter --disab=
le-li
bgcj-debug --enable-threads=3Dposix --enable-java-gc=3Dboehm --disable-win3=
2-registr
y --enable-sjlj-exceptions --enable-hash-synchronization --enable-libstdcxx=
-debu
g
Thread model: posix
gcc version 3.4.4 (cygming special, gdc 0.12, using dmd 0.125)
 /usr/lib/gcc/i686-pc-cygwin/3.4.4/cc1.exe -quiet -v -D__CYGWIN32__ -D__CYG=
WIN__
 -Dunix -D__unix__ -D__unix -idirafter /usr/lib/gcc/i686-pc-cygwin/3.4.4/..=
/../.
./../include/w32api -idirafter /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../.=
./i68
6-pc-cygwin/lib/../../include/w32api test.c -quiet -dumpbase test.c -msse2 =
-mtun
e=3Dpentiumpro -auxbase test -O3 -version -o /tmp/ccK2doSW.s
ignoring nonexistent directory "/usr/local/include"
ignoring nonexistent directory "/usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../=
../i6
86-pc-cygwin/include"
ignoring duplicate directory "/usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../..=
/i686
-pc-cygwin/lib/../../include/w32api"
#include "..." search starts here:
#include <...> search starts here:
 /usr/lib/gcc/i686-pc-cygwin/3.4.4/include
 /usr/include
 /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../../include/w32api
End of search list.
GNU C version 3.4.4 (cygming special, gdc 0.12, using dmd 0.125) (i686-pc-c=
ygwin
)
        compiled by GNU C version 3.4.4 (cygming special, gdc 0.12, using d=
md 0.
125).
GGC heuristics: --param ggc-min-expand=3D99 --param ggc-min-heapsize=3D1309=
92
test.c: In function `vclrx':
test.c:39: internal compiler error: in output_constant_pool, at varasm.c:31=
90
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://cygwin.com/problems.html> for instructions.

Seems like a really old version!

Phil


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