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extend.texi (Other Builtins): Document that __builtin_nan is a compile-time constant only when...

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* doc/extend.texi (Other Builtins): Document that
	__builtin_nan is a compile-time constant only when its argument
	is valid.

From-SVN: r112646
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Geoffrey Keating 2006-04-03 20:56:59 +00:00 committed by Geoffrey Keating
parent 2332d58558
commit a7d3746437
2 changed files with 9 additions and 2 deletions
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@ -1,3 +1,9 @@
2006-04-03 Geoffrey Keating <geoffk@apple.com>
* doc/extend.texi (Other Builtins): Document that
__builtin_nan is a compile-time constant only when its argument
is valid.
2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
* simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When

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gcc/doc/extend.texi
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@ -5734,8 +5734,9 @@ is at the least significant bit of the significand. The number is
truncated to fit the significand field provided. The significand is
forced to be a quiet NaN@.
This function, if given a string literal, is evaluated early enough
that it is considered a compile-time constant.
This function, if given a string literal all of which would have been
consumed by strtol, is evaluated early enough that it is considered a
compile-time constant.
@end deftypefn
@deftypefn {Built-in Function} _Decimal32 __builtin_nand32 (const char *str)