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* tree.def (TRUTH_NOT_EXPR): Improve documentation.

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From-SVN: r38631
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Mark Mitchell 2001-01-02 18:15:18 +00:00 committed by Mark Mitchell
parent eeebb82437
commit 330aa9a385
2 changed files with 13 additions and 5 deletions
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gcc/ChangeLog
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@ -1,3 +1,7 @@
2001-01-02 Mark Mitchell <mark@codesourcery.com>
* tree.def (TRUTH_NOT_EXPR): Improve documentation.
Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
* expr.c (store_constructor_field): Update ALIGN before calling

14
gcc/tree.def
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@ -620,11 +620,15 @@ DEFTREECODE (BIT_AND_EXPR, "bit_and_expr", '2', 2)
DEFTREECODE (BIT_ANDTC_EXPR, "bit_andtc_expr", '2', 2)
DEFTREECODE (BIT_NOT_EXPR, "bit_not_expr", '1', 1)
/* Combination of boolean values or of integers considered only
as zero or nonzero. ANDIF and ORIF allow the second operand
not to be computed if the value of the expression is determined
from the first operand. AND, OR, and XOR always compute the second
operand whether its value is needed or not (for side effects). */
/* ANDIF and ORIF allow the second operand not to be computed if the
value of the expression is determined from the first operand. AND,
OR, and XOR always compute the second operand whether its value is
needed or not (for side effects). The operand may have
BOOLEAN_TYPE or INTEGER_TYPE. In either case, the argument will be
either zero or one. For example, a TRUTH_NOT_EXPR will never have
a INTEGER_TYPE VAR_DECL as its argument; instead, a NE_EXPR will be
used to compare the VAR_DECL to zero, thereby obtaining a node with
value zero or one. */
DEFTREECODE (TRUTH_ANDIF_EXPR, "truth_andif_expr", 'e', 2)
DEFTREECODE (TRUTH_ORIF_EXPR, "truth_orif_expr", 'e', 2)
DEFTREECODE (TRUTH_AND_EXPR, "truth_and_expr", 'e', 2)