[Bug middle-end/40021] [4.5 Regression] Revision 146817 miscompiled DAXPY in BLAS

[hjl dot tools at gmail dot com]

------- Comment #5 from hjl dot tools at gmail dot com  2009-05-05 00:45 -------
Created an attachment (id=17800)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17800&action=view)
A testcase

[hjl@gnu-33 pr40021]$ make
/export/gnu/import/rrs/146817/usr/bin/gfortran -m32 -c -O2 -ftree-vectorize
-msse2 -mfpmath=sse -ffast-math -ffixed-form  test.f
/export/gnu/import/rrs/146817/usr/bin/gfortran -m32
-Wl,-rpath,/export/gnu/import/rrs/146817/usr/lib -o daxpy test.o
./daxpy
           2  -1.0000000000000000      !=  -2.0000000000000000     
[hjl@gnu-33 pr40021]$ 


-- 

hjl dot tools at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #17797|0                           |1
        is obsolete|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40021