/// changed to modify CPSR.
multiclass T2I_bin_irs<bits<4> opcod, string opc,
InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
- PatFrag opnode, bit Commutable = 0, string wide = ""> {
+ PatFrag opnode, string baseOpc, bit Commutable = 0,
+ string wide = ""> {
// shifted imm
def ri : T2sTwoRegImm<
(outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm), iii,
let Inst{26-25} = 0b01;
let Inst{24-21} = opcod;
}
+ // Assembly aliases for optional destination operand when it's the same
+ // as the source operand.
+ def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
+ (!cast<Instruction>(!strconcat(baseOpc, "ri")) rGPR:$Rdn, rGPR:$Rdn,
+ t2_so_imm:$imm, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsThumb2]>;
+ def : InstAlias<!strconcat(opc, "${s}${p}", wide, " $Rdn, $Rm"),
+ (!cast<Instruction>(!strconcat(baseOpc, "rr")) rGPR:$Rdn, rGPR:$Rdn,
+ rGPR:$Rm, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsThumb2]>;
+ def : InstAlias<!strconcat(opc, "${s}${p}", wide, " $Rdn, $shift"),
+ (!cast<Instruction>(!strconcat(baseOpc, "rs")) rGPR:$Rdn, rGPR:$Rdn,
+ t2_so_reg:$shift, pred:$p,
+ cc_out:$s)>,
+ Requires<[IsThumb2]>;
}
/// T2I_bin_w_irs - Same as T2I_bin_irs except these operations need
-// the ".w" prefix to indicate that they are wide.
+// the ".w" suffix to indicate that they are wide.
multiclass T2I_bin_w_irs<bits<4> opcod, string opc,
InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
- PatFrag opnode, bit Commutable = 0> :
- T2I_bin_irs<opcod, opc, iii, iir, iis, opnode, Commutable, ".w">;
+ PatFrag opnode, string baseOpc, bit Commutable = 0> :
+ T2I_bin_irs<opcod, opc, iii, iir, iis, opnode, baseOpc, Commutable, ".w">;
/// 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
defm t2AND : T2I_bin_w_irs<0b0000, "and",
IIC_iBITi, IIC_iBITr, IIC_iBITsi,
- BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
+ BinOpFrag<(and node:$LHS, node:$RHS)>, "t2AND", 1>;
defm t2ORR : T2I_bin_w_irs<0b0010, "orr",
IIC_iBITi, IIC_iBITr, IIC_iBITsi,
- BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
+ BinOpFrag<(or node:$LHS, node:$RHS)>, "t2ORR", 1>;
defm t2EOR : T2I_bin_w_irs<0b0100, "eor",
IIC_iBITi, IIC_iBITr, IIC_iBITsi,
- BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
+ BinOpFrag<(xor node:$LHS, node:$RHS)>, "t2EOR", 1>;
defm t2BIC : T2I_bin_w_irs<0b0001, "bic",
IIC_iBITi, IIC_iBITr, IIC_iBITsi,
- BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
+ BinOpFrag<(and node:$LHS, (not node:$RHS))>,
+ "t2BIC">;
class T2BitFI<dag oops, dag iops, InstrItinClass itin,
string opc, string asm, list<dag> pattern>
defm t2ORN : T2I_bin_irs<0b0011, "orn",
IIC_iBITi, IIC_iBITr, IIC_iBITsi,
- BinOpFrag<(or node:$LHS, (not node:$RHS))>, 0, "">;
+ BinOpFrag<(or node:$LHS, (not node:$RHS))>,
+ "t2ORN", 0, "">;
// Prefer over of t2EORri ra, rb, -1 because mvn has 16-bit version
let AddedComplexity = 1 in
ldrexd r0, r1, [r0]
@ CHECK: ssat16 r0, #7, r0 @ encoding: [0x20,0xf3,0x06,0x00]
ssat16 r0, #7, r0
+
+ and r1, #0xff
+ and r1, r1, #0xff
+ orr r1, 0x100
+ orr r1, r1, 0x100
+ eor r1, 0x100
+ eor r1, r1, 0x100
+ bic r1, 0x100
+ bic r1, r1, 0x100
+
+@ CHECK: and r1, r1, #255 @ encoding: [0x01,0xf0,0xff,0x01]
+@ CHECK: and r1, r1, #255 @ encoding: [0x01,0xf0,0xff,0x01]
+@ CHECK: orr r1, r1, #256 @ encoding: [0x41,0xf4,0x80,0x71]
+@ CHECK: orr r1, r1, #256 @ encoding: [0x41,0xf4,0x80,0x71]
+@ CHECK: eor r1, r1, #256 @ encoding: [0x81,0xf4,0x80,0x71]
+@ CHECK: eor r1, r1, #256 @ encoding: [0x81,0xf4,0x80,0x71]
+@ CHECK: bic r1, r1, #256 @ encoding: [0x21,0xf4,0x80,0x71]
+@ CHECK: bic r1, r1, #256 @ encoding: [0x21,0xf4,0x80,0x71]
+
+