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* tree.def (REDUC_PLUS_EXPR): Fix up comment.

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From-SVN: r192377
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Jakub Jelinek 2012-10-11 20:40:06 +02:00 • committed by Jakub Jelinek
parent db9310ef6c
commit d2a934a5a5
2 changed files with 7 additions and 2 deletions
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gcc/ChangeLog
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@ -1,5 +1,7 @@
2012-10-11 Jakub Jelinek <jakub@redhat.com>
* tree.def (REDUC_PLUS_EXPR): Fix up comment.
* fold-const.c (fold_unary_loc): Handle REDUC_MIN_EXPR,
REDUC_MAX_EXPR and REDUC_PLUS_EXPR.

7
gcc/tree.def
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@ -1093,8 +1093,11 @@ DEFTREECODE (TRANSACTION_EXPR, "transaction_expr", tcc_expression, 1)
Operations that take a vector of elements and "reduce" it to a scalar
result (e.g. summing the elements of the vector, finding the minimum over
the vector elements, etc).
Operand 0 is a vector; the first element in the vector has the result.
Operand 1 is a vector. */
Operand 0 is a vector.
The expression returns a vector of the same type, with the first
element in the vector holding the result of the reduction of all elements
of the operand. The content of the other elements in the returned vector
is undefined. */
DEFTREECODE (REDUC_MAX_EXPR, "reduc_max_expr", tcc_unary, 1)
DEFTREECODE (REDUC_MIN_EXPR, "reduc_min_expr", tcc_unary, 1)
DEFTREECODE (REDUC_PLUS_EXPR, "reduc_plus_expr", tcc_unary, 1)