diff options
| author | Sujoy Saraswati <sujoy.saraswati@hpe.com> | 2015-12-20 09:20:57 +0000 |
|---|---|---|
| committer | Sujoy Saraswati <ssaraswati@gcc.gnu.org> | 2015-12-20 09:20:57 +0000 |
| commit | afeb246c1bb0b5496dfd133c70fef9d9fff722ac (patch) | |
| tree | 5baf4f1c4924072980834f8000966921cbe042f5 | |
| parent | 683aa9290bad382f137c9f205a91b3d8c78aecd6 (diff) | |
| download | gcc-afeb246c1bb0b5496dfd133c70fef9d9fff722ac.zip gcc-afeb246c1bb0b5496dfd133c70fef9d9fff722ac.tar.gz gcc-afeb246c1bb0b5496dfd133c70fef9d9fff722ac.tar.bz2 | |
This series of patches fix PR61441.
This series of patches fix PR61441. This patch removes flag_errno_math check
for RINT, treating it similar to nearbyint.
Bootstrapped & regression-tested on x86_64-linux-gnu.
gcc/
* match.pd (f(x) -> x): Removed flag_errno_math check for RINT.
From-SVN: r231858
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/match.pd | 8 |
2 files changed, 6 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b7a1469..d8b5be3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,6 +1,11 @@ 2015-12-20 Sujoy Saraswati <sujoy.saraswati@hpe.com> PR tree-optimization/61441 + * match.pd (f(x) -> x): Removed flag_errno_math check for RINT. + +2015-12-20 Sujoy Saraswati <sujoy.saraswati@hpe.com> + + PR tree-optimization/61441 * fold-const.c (const_binop): Use REAL_VALUE_ISSIGNALING_NAN instead of REAL_VALUE_ISNAN to avoid the operation for sNaN operands. * simplify-rtx.c (simplify_const_binary_operation): Same. diff --git a/gcc/match.pd b/gcc/match.pd index 5ac30eb..1674a14 100644 --- a/gcc/match.pd +++ b/gcc/match.pd @@ -2566,16 +2566,10 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT) (fns (fns @0)) (fns @0))) /* f(x) -> x if x is integer valued and f does nothing for such values. */ -(for fns (TRUNC FLOOR CEIL ROUND NEARBYINT) +(for fns (TRUNC FLOOR CEIL ROUND NEARBYINT RINT) (simplify (fns integer_valued_real_p@0) @0)) -/* Same for rint. We have to check flag_errno_math because - integer_valued_real_p accepts +Inf, -Inf and NaNs as integers. */ -(if (!flag_errno_math) - (simplify - (RINT integer_valued_real_p@0) - @0)) /* hypot(x,0) and hypot(0,x) -> abs(x). */ (simplify |