diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-reassoc.c | 3 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cbef2f2..ce51835 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2014-12-09 Bill Schmidt <wschmidt@linux.vnet.ibm.com> + + PR middle-end/64225 + * tree-ssa-reassoc.c (acceptable_pow_call): Disable transformation + for BUILT_IN_POW when flag_errno_math is present. + 2014-12-09 Ilya Verbin <ilya.verbin@intel.com> * lto-wrapper.c (compile_offload_image): Start processing in_argv diff --git a/gcc/tree-ssa-reassoc.c b/gcc/tree-ssa-reassoc.c index 68a67b6..4fae8fc 100644 --- a/gcc/tree-ssa-reassoc.c +++ b/gcc/tree-ssa-reassoc.c @@ -3988,6 +3988,9 @@ acceptable_pow_call (gimple stmt, tree *base, HOST_WIDE_INT *exponent) switch (DECL_FUNCTION_CODE (fndecl)) { CASE_FLT_FN (BUILT_IN_POW): + if (flag_errno_math) + return false; + *base = gimple_call_arg (stmt, 0); arg1 = gimple_call_arg (stmt, 1); |