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re PR tree-optimization/60960 (Wrong result when a vector variable is divided by a literal constant)
PR tree-optimization/60960 * tree-vect-generic.c (expand_vector_operation): Only call expand_vector_divmod if type's mode satisfies VECTOR_MODE_P. * gcc.c-torture/execute/pr60960.c: New test. From-SVN: r209802
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@ -1,3 +1,9 @@
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2014-04-25 Jakub Jelinek <jakub@redhat.com>
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PR tree-optimization/60960
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* tree-vect-generic.c (expand_vector_operation): Only call
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expand_vector_divmod if type's mode satisfies VECTOR_MODE_P.
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2014-04-25 Tom de Vries <tom@codesourcery.com>
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* expr.c (clobber_reg_mode): New function.
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@ -1,3 +1,8 @@
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2014-04-25 Jakub Jelinek <jakub@redhat.com>
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PR tree-optimization/60960
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* gcc.c-torture/execute/pr60960.c: New test.
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2014-04-25 Marek Polacek <polacek@redhat.com>
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* gcc.dg/pr18079-2.c: Fix quoting in dg-warning.
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38
gcc/testsuite/gcc.c-torture/execute/pr60960.c
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38
gcc/testsuite/gcc.c-torture/execute/pr60960.c
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/* PR tree-optimization/60960 */
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typedef unsigned char v4qi __attribute__ ((vector_size (4)));
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__attribute__((noinline, noclone)) v4qi
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f1 (v4qi v)
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{
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return v / 2;
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}
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__attribute__((noinline, noclone)) v4qi
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f2 (v4qi v)
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{
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return v / (v4qi) { 2, 2, 2, 2 };
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}
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__attribute__((noinline, noclone)) v4qi
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f3 (v4qi x, v4qi y)
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{
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return x / y;
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}
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int
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main ()
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{
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v4qi x = { 5, 5, 5, 5 };
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v4qi y = { 2, 2, 2, 2 };
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v4qi z = f1 (x);
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if (__builtin_memcmp (&y, &z, sizeof (y)) != 0)
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__builtin_abort ();
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z = f2 (x);
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if (__builtin_memcmp (&y, &z, sizeof (y)) != 0)
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__builtin_abort ();
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z = f3 (x, y);
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if (__builtin_memcmp (&y, &z, sizeof (y)) != 0)
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__builtin_abort ();
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return 0;
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}
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@ -971,7 +971,8 @@ expand_vector_operation (gimple_stmt_iterator *gsi, tree type, tree compute_type
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if (!optimize
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|| !VECTOR_INTEGER_TYPE_P (type)
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|| TREE_CODE (rhs2) != VECTOR_CST)
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|| TREE_CODE (rhs2) != VECTOR_CST
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|| !VECTOR_MODE_P (TYPE_MODE (type)))
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break;
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ret = expand_vector_divmod (gsi, type, rhs1, rhs2, code);
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