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* [gcc r13-2790] Convert CFN_BUILT_IN_SIGNBIT to range-ops.
@ 2022-09-22 18:49 Andrew Macleod
0 siblings, 0 replies; only message in thread
From: Andrew Macleod @ 2022-09-22 18:49 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:eb82b9f68eb8d0cc65a1a022154c8e729860ea59
commit r13-2790-geb82b9f68eb8d0cc65a1a022154c8e729860ea59
Author: Andrew MacLeod <amacleod@redhat.com>
Date: Wed Sep 21 09:29:40 2022 -0400
Convert CFN_BUILT_IN_SIGNBIT to range-ops.
* gimple-range-fold.cc (range_of_builtin_int_call): Remove case
for CFN_BUILT_IN_SIGNBIT.
* gimple-range-op.cc (class cfn_signbit): New.
(gimple_range_op_handler::maybe_builtin_call): Set arguments.
Diff:
---
gcc/gimple-range-fold.cc | 20 --------------------
gcc/gimple-range-op.cc | 27 +++++++++++++++++++++++++++
2 files changed, 27 insertions(+), 20 deletions(-)
diff --git a/gcc/gimple-range-fold.cc b/gcc/gimple-range-fold.cc
index 63a1f517d28..417a925ac9f 100644
--- a/gcc/gimple-range-fold.cc
+++ b/gcc/gimple-range-fold.cc
@@ -944,26 +944,6 @@ fold_using_range::range_of_builtin_int_call (irange &r, gcall *call,
switch (func)
{
- case CFN_BUILT_IN_SIGNBIT:
- {
- arg = gimple_call_arg (call, 0);
- frange tmp;
- if (src.get_operand (tmp, arg))
- {
- bool signbit;
- if (tmp.signbit_p (signbit))
- {
- if (signbit)
- r.set_nonzero (type);
- else
- r.set_zero (type);
- return true;
- }
- return false;
- }
- break;
- }
-
case CFN_BUILT_IN_TOUPPER:
{
arg = gimple_call_arg (call, 0);
diff --git a/gcc/gimple-range-op.cc b/gcc/gimple-range-op.cc
index bcc4c3d778c..d62dff5f92e 100644
--- a/gcc/gimple-range-op.cc
+++ b/gcc/gimple-range-op.cc
@@ -301,6 +301,27 @@ public:
}
} op_cfn_constant_p;
+// Implement range operator for CFN_BUILT_IN_SIGNBIT.
+class cfn_signbit : public range_operator_float
+{
+public:
+ using range_operator_float::fold_range;
+ virtual bool fold_range (irange &r, tree type, const frange &lh,
+ const irange &, relation_kind) const
+ {
+ bool signbit;
+ if (lh.signbit_p (signbit))
+ {
+ if (signbit)
+ r.set_nonzero (type);
+ else
+ r.set_zero (type);
+ return true;
+ }
+ return false;
+ }
+} op_cfn_signbit;
+
// Set up a gimple_range_op_handler for any built in function which can be
// supported via range-ops.
@@ -331,6 +352,12 @@ gimple_range_op_handler::maybe_builtin_call ()
m_valid = false;
break;
+ case CFN_BUILT_IN_SIGNBIT:
+ m_op1 = gimple_call_arg (call, 0);
+ m_float = &op_cfn_signbit;
+ m_valid = true;
+ break;
+
default:
break;
}
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