[COMMITTED] Add cases for CFN_BUILT_IN_SIGNBIT[FL].

[Aldy Hernandez via Gcc-patches]

gcc/ChangeLog:

        * gimple-range-op.cc
        (gimple_range_op_handler::maybe_builtin_call): Add
        CFN_BUILT_IN_SIGNBIT[FL]* entries.
---
 gcc/gimple-range-op.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/gimple-range-op.cc b/gcc/gimple-range-op.cc
index bc4389eb2e1..9bdef3d45c0 100644
--- a/gcc/gimple-range-op.cc
+++ b/gcc/gimple-range-op.cc
@@ -757,6 +757,8 @@ gimple_range_op_handler::maybe_builtin_call ()
       break;
 
     case CFN_BUILT_IN_SIGNBIT:
+    case CFN_BUILT_IN_SIGNBITF:
+    case CFN_BUILT_IN_SIGNBITL:
       m_op1 = gimple_call_arg (call, 0);
       m_float = &op_cfn_signbit;
       m_valid = true;
-- 
2.37.3