Move ldexp, scalbn and scalbln folds to match.pd
commit7d705d57726a640e776fa56d4512a553a68ad10b
authorrsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 27 Oct 2015 12:00:34 +0000 (27 12:00 +0000)
committerrsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 27 Oct 2015 12:00:34 +0000 (27 12:00 +0000)
treef5961b5f8cf96e4f45f558ac49d191d07d4d090a
parent7c5199aca19a3fb0000103c9dd7542bb32511bd6
Move ldexp, scalbn and scalbln folds to match.pd

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* builtins.c (fold_builtin_load_exponent): Rename to...
(fold_const_builtin_load_exponent): ...this and only handle
constant arguments.
(fold_builtin_2): Update accordingly.
* match.pd: Add rules previously handled by fold_builtin_load_exponent.

gcc/testsuite/
* gcc.dg/torture/builtin-ldexp-1.c: Skip at -O9,

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229434 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/builtins.c
gcc/match.pd
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/torture/builtin-ldexp-1.c