mirror of git://gcc.gnu.org/git/gcc.git
re PR middle-end/52177 (ICE: verify_gimple failed: non-trivial conversion at assignment with __atomic_is_lock_free())
PR middle-end/52177 * builtins.c (fold_builtin_atomic_always_lock_free, expand_builtin_atomic_always_lock_free, fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free): Return and/or test boolean_true_node/boolean_false_node instead of integer_one_node/integer_zero_node. * c-c++-common/pr52177.c: New test. From-SVN: r184096
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@ -1,3 +1,13 @@
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2012-02-10 Jakub Jelinek <jakub@redhat.com>
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PR middle-end/52177
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* builtins.c (fold_builtin_atomic_always_lock_free,
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expand_builtin_atomic_always_lock_free,
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fold_builtin_atomic_is_lock_free,
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expand_builtin_atomic_is_lock_free): Return and/or test
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boolean_true_node/boolean_false_node instead of
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integer_one_node/integer_zero_node.
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2012-02-10 Jan Hubicka <jh@suse.cz>
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2012-02-10 Jan Hubicka <jh@suse.cz>
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PR middle-end/48600
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PR middle-end/48600
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@ -5639,15 +5639,15 @@ fold_builtin_atomic_always_lock_free (tree arg0, tree arg1)
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/* If the object has smaller alignment, the the lock free routines cannot
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/* If the object has smaller alignment, the the lock free routines cannot
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be used. */
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be used. */
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if (type_align < mode_align)
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if (type_align < mode_align)
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return integer_zero_node;
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return boolean_false_node;
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/* Check if a compare_and_swap pattern exists for the mode which represents
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/* Check if a compare_and_swap pattern exists for the mode which represents
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the required size. The pattern is not allowed to fail, so the existence
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the required size. The pattern is not allowed to fail, so the existence
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of the pattern indicates support is present. */
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of the pattern indicates support is present. */
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if (can_compare_and_swap_p (mode, true))
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if (can_compare_and_swap_p (mode, true))
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return integer_one_node;
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return boolean_true_node;
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else
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else
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return integer_zero_node;
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return boolean_false_node;
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}
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}
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/* Return true if the parameters to call EXP represent an object which will
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/* Return true if the parameters to call EXP represent an object which will
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@ -5671,7 +5671,7 @@ expand_builtin_atomic_always_lock_free (tree exp)
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}
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}
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size = fold_builtin_atomic_always_lock_free (arg0, arg1);
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size = fold_builtin_atomic_always_lock_free (arg0, arg1);
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if (size == integer_one_node)
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if (size == boolean_true_node)
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return const1_rtx;
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return const1_rtx;
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return const0_rtx;
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return const0_rtx;
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}
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}
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@ -5686,8 +5686,8 @@ fold_builtin_atomic_is_lock_free (tree arg0, tree arg1)
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return NULL_TREE;
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return NULL_TREE;
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/* If it isn't always lock free, don't generate a result. */
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/* If it isn't always lock free, don't generate a result. */
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if (fold_builtin_atomic_always_lock_free (arg0, arg1) == integer_one_node)
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if (fold_builtin_atomic_always_lock_free (arg0, arg1) == boolean_true_node)
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return integer_one_node;
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return boolean_true_node;
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return NULL_TREE;
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return NULL_TREE;
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}
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}
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@ -5717,7 +5717,7 @@ expand_builtin_atomic_is_lock_free (tree exp)
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/* If the value is known at compile time, return the RTX for it. */
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/* If the value is known at compile time, return the RTX for it. */
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size = fold_builtin_atomic_is_lock_free (arg0, arg1);
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size = fold_builtin_atomic_is_lock_free (arg0, arg1);
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if (size == integer_one_node)
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if (size == boolean_true_node)
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return const1_rtx;
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return const1_rtx;
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return NULL_RTX;
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return NULL_RTX;
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@ -1,3 +1,8 @@
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2012-02-10 Jakub Jelinek <jakub@redhat.com>
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PR middle-end/52177
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* c-c++-common/pr52177.c: New test.
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2012-02-10 Jan Hubicka <jh@suse.cz>
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2012-02-10 Jan Hubicka <jh@suse.cz>
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PR middle-end/48600
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PR middle-end/48600
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@ -0,0 +1,23 @@
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/* PR middle-end/52177 */
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/* { dg-do compile } */
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/* { dg-options "-O -fno-tree-ccp" } */
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int *s;
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static inline int
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foo ()
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{
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return sizeof (int);
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}
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int
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bar ()
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{
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return __atomic_always_lock_free (foo (), s);
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}
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int
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baz ()
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{
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return __atomic_is_lock_free (foo (), s);
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}
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