mirror of git://gcc.gnu.org/git/gcc.git
re PR tree-optimization/46184 (ICE: SIGSEGV in vectorizable_reduction (tree-vect-loop.c:4067) with -O -ftree-vectorize -fno-tree-copy-prop -fno-tree-dce)
2010-11-02 Richard Guenther <rguenther@suse.de> PR tree-optimization/46184 * tree-vect-loop.c (vectorizable_reduction): Try to obtain the input vector type from the reduction operand as well. * gcc.dg/pr46184.c: New testcase. From-SVN: r166194
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2010-11-02 Richard Guenther <rguenther@suse.de>
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PR tree-optimization/46184
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* tree-vect-loop.c (vectorizable_reduction): Try to obtain the
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input vector type from the reduction operand as well.
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2010-11-02 Richard Guenther <rguenther@suse.de>
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PR tree-optimization/46177
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@ -1,3 +1,8 @@
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2010-11-02 Richard Guenther <rguenther@suse.de>
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PR tree-optimization/46184
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* gcc.dg/pr46184.c: New testcase.
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2010-11-02 Richard Guenther <rguenther@suse.de>
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PR tree-optimization/46177
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@ -0,0 +1,18 @@
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/* { dg-do compile } */
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/* { dg-options "-O -ftree-vectorize -fno-tree-copy-prop -fno-tree-dce" } */
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extern int A[], B[];
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void
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foo (int z)
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{
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int j, i;
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for (j = 0; j < 32; j++)
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{
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int curr_a = A[0];
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for (i = 0; i < 16; i++)
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curr_a = A[i] ? curr_a : z;
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B[j] = curr_a;
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}
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}
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@ -3908,7 +3908,7 @@ vectorizable_reduction (gimple stmt, gimple_stmt_iterator *gsi,
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VEC (tree, heap) *vec_oprnds0 = NULL, *vec_oprnds1 = NULL, *vect_defs = NULL;
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VEC (gimple, heap) *phis = NULL;
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int vec_num;
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tree def0, def1;
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tree def0, def1, tem;
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if (nested_in_vect_loop_p (loop, stmt))
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{
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@ -3999,8 +3999,6 @@ vectorizable_reduction (gimple stmt, gimple_stmt_iterator *gsi,
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reduction variable. */
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for (i = 0; i < op_type-1; i++)
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{
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tree tem;
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/* The condition of COND_EXPR is checked in vectorizable_condition(). */
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if (i == 0 && code == COND_EXPR)
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continue;
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@ -4025,8 +4023,10 @@ vectorizable_reduction (gimple stmt, gimple_stmt_iterator *gsi,
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}
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}
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is_simple_use = vect_is_simple_use (ops[i], loop_vinfo, NULL, &def_stmt,
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&def, &dt);
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is_simple_use = vect_is_simple_use_1 (ops[i], loop_vinfo, NULL, &def_stmt,
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&def, &dt, &tem);
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if (!vectype_in)
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vectype_in = tem;
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gcc_assert (is_simple_use);
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gcc_assert (dt == vect_reduction_def
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|| dt == vect_nested_cycle
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