diff options
| author | Ira Rosen <irar@il.ibm.com> | 2009-04-02 18:08:10 +0000 |
|---|---|---|
| committer | Ira Rosen <irar@il.ibm.com> | 2009-04-02 18:08:10 +0000 |
| commit | 1b963dc65467a3a9b9f6828a929e7da520b8869a (patch) | |
| tree | efe0a00dc37917d41ead02adba71c4a1bdfa5660 | |
| parent | b68fc5b7dda72fb6406a2bf52b33fa4e3b861af9 (diff) | |
PR tree-optimization/39595
* tree-vect-analyze.c (vect_build_slp_tree): Check that the size of
interleaved loads group is not greater than the SLP group size.
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/gcc-4_4-branch@145465 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gfortran.dg/vect/O3-pr39595.f | 17 | ||||
| -rw-r--r-- | gcc/tree-vect-analyze.c | 20 |
4 files changed, 46 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 593eae7cbdb..a2f8a28aebc 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2009-04-02 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/39595 + * tree-vect-analyze.c (vect_build_slp_tree): Check that the size of + interleaved loads group is not greater than the SLP group size. + 2009-04-01 Eric Botcazou <ebotcazou@adacore.com> PR rtl-optimization/39588 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index a6c50e0c26a..3bc124eb0a3 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2009-04-02 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/39595 + * gfortran.dg/vect/O3-pr39595.f: New test. + 2009-04-02 Janis Johnson <janis187@us.ibm.com> * gcc.dg/tree-ssa-vrp47.c: XFAIL two dump scans for powerpc. diff --git a/gcc/testsuite/gfortran.dg/vect/O3-pr39595.f b/gcc/testsuite/gfortran.dg/vect/O3-pr39595.f new file mode 100644 index 00000000000..7625ac60cf4 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/vect/O3-pr39595.f @@ -0,0 +1,17 @@ +! { dg-do compile } + subroutine foo(a,c,i,m) + dimension a(4,*),b(3,64),c(3,200),d(64) + integer*8 i,j,k,l,m + do j=1,m,64 + do k=1,m-j+1 + d(k)=a(4,j-1+k) + do l=1,3 + b(l,k)=c(l,i)+a(l,j-1+k) + end do + end do + call bar(b,d,i) + end do + end + +! { dg-final { cleanup-tree-dump "vect" } } + diff --git a/gcc/tree-vect-analyze.c b/gcc/tree-vect-analyze.c index 0b947143c68..e753ccbabf4 100644 --- a/gcc/tree-vect-analyze.c +++ b/gcc/tree-vect-analyze.c @@ -2933,8 +2933,24 @@ vect_build_slp_tree (loop_vec_info loop_vinfo, slp_tree *node, return false; } - - first_load = DR_GROUP_FIRST_DR (vinfo_for_stmt (stmt)); + + /* Check that the size of interleaved loads group is not + greater than the SLP group size. */ + if (DR_GROUP_SIZE (vinfo_for_stmt (stmt)) + > ncopies * group_size) + { + if (vect_print_dump_info (REPORT_SLP)) + { + fprintf (vect_dump, "Build SLP failed: the number of " + "interleaved loads is greater than" + " the SLP group size "); + print_gimple_stmt (vect_dump, stmt, 0, TDF_SLIM); + } + + return false; + } + + first_load = DR_GROUP_FIRST_DR (vinfo_for_stmt (stmt)); if (first_load == stmt) { |