/// binary operation that produces a value. These are predicable and can be
/// changed to modify CPSR.
multiclass T2I_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
- bit Commutable = 0, string wide =""> {
+ bit Commutable = 0, string wide = "", bit SBit = 0> {
// shifted imm
def ri : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, t2_so_imm:$rhs), IIC_iALUi,
opc, "\t$dst, $lhs, $rhs",
let Inst{31-27} = 0b11110;
let Inst{25} = 0;
let Inst{24-21} = opcod;
- let Inst{20} = ?; // The S bit.
+ let Inst{20} = SBit; // The S bit.
let Inst{15} = 0;
}
// register
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
- let Inst{20} = ?; // The S bit.
+ let Inst{20} = SBit; // The S bit.
let Inst{14-12} = 0b000; // imm3
let Inst{7-6} = 0b00; // imm2
let Inst{5-4} = 0b00; // type
let Inst{31-27} = 0b11101;
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
- let Inst{20} = ?; // The S bit.
+ let Inst{20} = SBit; // The S bit.
}
}
// the ".w" prefix to indicate that they are wide.
multiclass T2I_bin_w_irs<bits<4> opcod, string opc, PatFrag opnode,
bit Commutable = 0> :
- T2I_bin_irs<opcod, opc, opnode, Commutable, ".w">;
+ T2I_bin_irs<opcod, opc, opnode, Commutable, ".w", ?>;
+
+/// T2I_bin_sw_irs - Same as T2I_bin_w_irs except these operations set
+// the 'S' bit.
+multiclass T2I_bin_sw_irs<bits<4> opcod, string opc, PatFrag opnode,
+ bit Commutable = 0> :
+ T2I_bin_irs<opcod, opc, opnode, Commutable, ".w", 1>;
/// T2I_rbin_is - Same as T2I_bin_irs except the order of operands are
/// reversed. The 'rr' form is only defined for the disassembler; for codegen
BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
let Defs = [CPSR] in
-defm t2ANDS : T2I_bin_w_irs<0b0000, "and",
- BinOpFrag<(ARMand node:$LHS, node:$RHS)>, 1>;
+defm t2ANDS : T2I_bin_sw_irs<0b0000, "and",
+ BinOpFrag<(ARMand node:$LHS, node:$RHS)>, 1>;
let Constraints = "$src = $dst" in
def t2BFC : T2I<(outs rGPR:$dst), (ins rGPR:$src, bf_inv_mask_imm:$imm),
}
defm t2ORN : T2I_bin_irs<0b0011, "orn", BinOpFrag<(or node:$LHS,
- (not node:$RHS))>>;
+ (not node:$RHS))>, 0, "", ?>;
// Prefer over of t2EORri ra, rb, -1 because mvn has 16-bit version
let AddedComplexity = 1 in