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[convert.c] PR 61876: Guard transformation to lrint by -fno-math-errno.

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* convert.c (convert_to_integer): Guard transformation to lrint by
	-fno-math-errno.

From-SVN: r213628
This commit is contained in:
Kyrylo Tkachov 2014-08-05 09:52:21 +00:00 committed by Kyrylo Tkachov
parent bc5e395d60
commit 371e764dd9
2 changed files with 7 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2014-08-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* convert.c (convert_to_integer): Guard transformation to lrint by
-fno-math-errno.
2014-08-05 James Greenhalgh <james.greenhalgh@arm.com>
* config/aarch64/aarch64-builtins.c

4
gcc/convert.c
View File

@ -477,8 +477,8 @@ convert_to_integer (tree type, tree expr)
break;
/* ... Fall through ... */
CASE_FLT_FN (BUILT_IN_RINT):
/* Only convert in ISO C99 mode. */
if (!targetm.libc_has_function (function_c99_misc))
/* Only convert in ISO C99 mode and with -fno-math-errno. */
if (!targetm.libc_has_function (function_c99_misc) || flag_errno_math)
break;
if (outprec < TYPE_PRECISION (integer_type_node)
|| (outprec == TYPE_PRECISION (integer_type_node)