================
@@ -1443,15 +1445,31 @@ let TargetPrefix = "nvvm" in {
// Add
//
let IntrProperties = [IntrNoMem, IntrSpeculatable, Commutative] in {
- foreach rnd = ["rn", "rz", "rm", "rp"] in {
- foreach ftz = ["", "_ftz"] in
- def int_nvvm_add_ # rnd # ftz # _f : NVVMBuiltin,
- DefaultAttrsIntrinsic<[llvm_float_ty], [llvm_float_ty,
llvm_float_ty]>;
-
- def int_nvvm_add_ # rnd # _d : NVVMBuiltin,
+ foreach rnd = ["_rn", "_rz", "_rm", "_rp"] in {
+ foreach ftz = ["", "_ftz"] in {
+ foreach sat = ["", "_sat"] in {
+ def int_nvvm_add # rnd # ftz # sat # _f : NVVMBuiltin,
+ DefaultAttrsIntrinsic<[llvm_float_ty], [llvm_float_ty,
llvm_float_ty]>;
+ } // sat
+ } // ftz
+ def int_nvvm_add # rnd # _d : NVVMBuiltin,
DefaultAttrsIntrinsic<[llvm_double_ty], [llvm_double_ty,
llvm_double_ty]>;
- }
+ } // rnd
}
+
+ //
+ // Sub
+ //
+ foreach rnd = ["_rn", "_rz", "_rm", "_rp"] in {
+ foreach ftz = ["", "_ftz"] in {
+ foreach sat = ["", "_sat"] in {
+ def int_nvvm_sub # rnd # ftz # sat # _f : NVVMBuiltin,
----------------
AlexMaclean wrote:
Is there a motivating case for sub intrinsics? Can we just fold the add
variants with fneg? Given that intrinsics are pretty easy to add and very
difficult to remove, I'm generally in favor of being conservative since each
intrinsic needs documentation, constant folding, ect.
https://github.com/llvm/llvm-project/pull/168359
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