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riscv-gcc-1
Commit ae202b56 by Richard Kenner
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Update comments for TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW. 

From-SVN: r6765
parent 54a88f92
Showing with 5 additions and 5 deletions
gcc/tree.h
......@@ -253,13 +253,13 @@ struct tree_common
chain is via a `virtual' declaration. */
#define TREE_VIA_VIRTUAL(NODE) ((NODE)->common.static_flag)
/* In an INTEGER_CST, this means there was an overflow in folding.
This is distinct from TREE_OVERFLOW because ANSI C requires a diagnostic
when overflows occur in constant expressions. */
/* In an INTEGER_CST, REAL_CST, or COMPLEX_CST, this means there was an
overflow in folding. This is distinct from TREE_OVERFLOW because ANSI C
requires a diagnostic when overflows occur in constant expressions. */
#define TREE_CONSTANT_OVERFLOW(NODE) ((NODE)->common.static_flag)
/* In an INTEGER_CST, this means there was an overflow in folding,
and no warning has been issued for this subexpression.
/* In an INTEGER_CST, REAL_CST, of COMPLEX_CST, this means there was an
overflow in folding, and no warning has been issued for this subexpression.
TREE_OVERFLOW implies TREE_CONSTANT_OVERFLOW, but not vice versa. */
#define TREE_OVERFLOW(NODE) ((NODE)->common.public_flag)
......
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