================
@@ -10716,6 +10716,21 @@ let Predicates = [HasCPA] in {
// Scalar multiply-add/subtract
def MADDPT : MulAccumCPA<0, "maddpt">;
def MSUBPT : MulAccumCPA<1, "msubpt">;
+
+ def : Pat<(ptradd GPR64sp:$Rn, GPR64sp:$Rm),
+ (ADDPT_shift GPR64sp:$Rn, GPR64sp:$Rm, (i32 0))>;
+ def : Pat<(ptradd GPR64sp:$Rn, (shl GPR64sp:$Rm, (i64 imm0_7:$imm))),
+ (ADDPT_shift GPR64sp:$Rn, GPR64sp:$Rm,
+ (i32 (trunc_imm imm0_7:$imm)))>;
----------------
davemgreen wrote:
Do you mind making the shift operand (lsl_imm3_shift_operand) an i64 as opposed
to i32, to avoid the trunc_imm? Representing it as an i64 seems like a more
natural type for something based on pointers, even if the exact type does not
matter due to the range.
https://github.com/llvm/llvm-project/pull/105669
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