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| author | Kyrylo Tkachov <kyrylo.tkachov@arm.com> | 2014-07-24 13:23:05 +0000 |
|---|---|---|
| committer | Kyrylo Tkachov <ktkachov@gcc.gnu.org> | 2014-07-24 13:23:05 +0000 |
| commit | 25be91ac7e13ce5c2de638b8a5a0c4190e5cb0bf (patch) | |
| tree | 212383aa1e943985b281020ae9726e957c8d9b30 /gcc | |
| parent | 472411664e6343a0b203e3b74740ff8a2686b625 (diff) | |
| download | gcc-25be91ac7e13ce5c2de638b8a5a0c4190e5cb0bf.zip gcc-25be91ac7e13ce5c2de638b8a5a0c4190e5cb0bf.tar.gz gcc-25be91ac7e13ce5c2de638b8a5a0c4190e5cb0bf.tar.bz2 | |
PR 61876: Do not convert cast + __builtin_round into __builtin_lround unless -fno-math-errno is used.
PR middle-end/61876
* convert.c (convert_to_integer): Do not convert BUILT_IN_ROUND and cast
when flag_errno_math is on.
From-SVN: r212989
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/convert.c | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 04c51e4..96a8161 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +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. + 2014-07-24 Martin Liska <mliska@suse.cz> * cgraph.h (varpool_node): diff --git a/gcc/convert.c b/gcc/convert.c index 09bc555..8dbf3cb 100644 --- a/gcc/convert.c +++ b/gcc/convert.c @@ -456,8 +456,8 @@ convert_to_integer (tree type, tree expr) break; CASE_FLT_FN (BUILT_IN_ROUND): - /* 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) |