[Bug middle-end/61876] Converting __builtin_round + cast into __builtin_lround is not always equivalent in regards to math errno

[yroux at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61876

--- Comment #12 from yroux at gcc dot gnu.org ---
Author: yroux
Date: Fri Aug 22 10:48:22 2014
New Revision: 214312

URL: https://gcc.gnu.org/viewcvs?rev=214312&root=gcc&view=rev
Log:
2014-08-22 Yvan Roux  <yvan.roux@linaro.org>

    Backport from trunk r212989, r213628.
    2014-08-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

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

    2014-07-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

    PR middle-end/61876
    * convert.c (convert_to_integer): Do not convert BUILT_IN_ROUND and cast
    when flag_errno_math is on.


Modified:
    branches/linaro/gcc-4_9-branch/gcc/ChangeLog.linaro
    branches/linaro/gcc-4_9-branch/gcc/convert.c