>Submitter-Id: net
>Originator: Stephen Kennedy
>Organization:
>Confidential: no
>Synopsis: xmmintrin.h, _MM_TRANSPOSE4_PS is broken
>Severity: serious
>Priority: medium
>Category: c
>Class: sw-bug
>Release: 3.1 (Debian) (Debian testing/unstable)
>Environment:
System: Linux stag 2.4.17-686sk #1 Fri Feb 15 18:08:06 GMT 2002 i686 unknown
Architecture: i686
host: i386-pc-linux-gnu
build: i386-pc-linux-gnu
target: i386-pc-linux-gnu
configured with: /mnt/data/gcc-3.1/gcc-3.1-3.1ds2/src/configure -v
--enable-languages=c,c++,java,f77,proto,objc,ada --prefix=/usr
--mandir=$\(prefix\)/share/man --infodir=$\(prefix\)/share/info
--with-gxx-include-dir=$\(prefix\)/include/g++-v3-3.1 --enable-shared
--with-system-zlib --enable-long-long --enable-nls --without-included-gettext
--enable-clocale=gnu --enable-threads=posix --enable-java-gc=boehm
--enable-objc-gc i386-linux
>Description:
the code in _MM_TRANSPOSE4_PS is incorrect.
>How-To-Repeat:
n/a
>Fix:
Apply the following patch
--- xmmintrin.h.old Fri May 31 18:43:57 2002
+++ xmmintrin.h Fri May 31 18:31:55 2002
@@ -1049,8 +1049,8 @@
do { \
__v4sf __r0 = (row0), __r1 = (row1), __r2 = (row2), __r3 = (row3); \
__v4sf __t0 = __builtin_ia32_shufps (__r0, __r1, 0x44); \
- __v4sf __t1 = __builtin_ia32_shufps (__r0, __r1, 0xEE); \
- __v4sf __t2 = __builtin_ia32_shufps (__r2, __r3, 0x44); \
+ __v4sf __t2 = __builtin_ia32_shufps (__r0, __r1, 0xEE); \
+ __v4sf __t1 = __builtin_ia32_shufps (__r2, __r3, 0x44); \
__v4sf __t3 = __builtin_ia32_shufps (__r2, __r3, 0xEE); \
(row0) = __builtin_ia32_shufps (__t0, __t1, 0x88); \
(row1) = __builtin_ia32_shufps (__t0, __t1, 0xDD); \
--
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