http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46144
Summary: [4.6 regression] gfortran.dg/vect/fast-math-vect-8.f90
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: hjl.to...@gmail.com
On Linux/x86-64, revision 165861 gave
export/gnu/import/svn/gcc-test/src-trunk/gcc/testsuite/gfortran.dg/vect/fast-math-vect-8.f90
-O2 -ftree-vectorize -fno-vect-cost-model -ftree-vectorizer-verbose=4
-fdump-tree-vect-stats -msse2 -ffast-math -S -m32 -o fast-math-vect-8.s
(timeout = 300)
/export/gnu/import/svn/gcc-test/src-trunk/gcc/testsuite/gfortran.dg/vect/fast-math-vect-8.f90:
In function 'init_solve':^M
/export/gnu/import/svn/gcc-test/src-trunk/gcc/testsuite/gfortran.dg/vect/fast-math-vect-8.f90:59:0:
error: insn does not satisfy its constraints:^M
(insn 724 701 702 28 (set (reg:V4SF 25 xmm4 [361])^M
(xor:V4SF (reg:V4SF 23 xmm2 [orig:229 vect_var_.79 ] [229])^M
(reg:V4SF 25 xmm4 [361])))
/export/gnu/import/svn/gcc-test/src-trunk/gcc/testsuite/gfortran.dg/vect/fast-math-vect-8.f90:69
1265 {*xorv4sf3}^M
(nil))^M
/export/gnu/import/svn/gcc-test/src-trunk/gcc/testsuite/gfortran.dg/vect/fast-math-vect-8.f90:59:0:
internal compiler error: in copyprop_hardreg_forward_1, at regcprop.c:768^M
Please submit a full bug report,^M
with preprocessed source if appropriate.^M
See <http://gcc.gnu.org/bugs.html> for instructions.^M
Revision 165848 is OK.
