IIC_iBITi, IIC_iBITr, IIC_iBITsi,
BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
-let Constraints = "$src = $dst" in
-def t2BFC : T2I<(outs rGPR:$dst), (ins rGPR:$src, bf_inv_mask_imm:$imm),
- IIC_iUNAsi, "bfc", "\t$dst, $imm",
- [(set rGPR:$dst, (and rGPR:$src, bf_inv_mask_imm:$imm))]> {
+class T2BitFI<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<10> imm;
+
+ let Inst{11-8} = Rd{3-0};
+ let Inst{4-0} = imm{9-5};
+ let Inst{14-12} = imm{4-2};
+ let Inst{7-6} = imm{1-0};
+}
+
+class T2TwoRegBitFI<dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2BitFI<oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rn;
+
+ let Inst{3-0} = Rn{3-0};
+}
+
+let Constraints = "$src = $Rd" in
+def t2BFC : T2BitFI<(outs rGPR:$Rd), (ins rGPR:$src, bf_inv_mask_imm:$imm),
+ IIC_iUNAsi, "bfc", "\t$Rd, $imm",
+ [(set rGPR:$Rd, (and rGPR:$src, bf_inv_mask_imm:$imm))]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 1;
let Inst{24-20} = 0b10110;
let Inst{15} = 0;
}
-def t2SBFX: T2I<(outs rGPR:$dst), (ins rGPR:$src, imm0_31:$lsb, imm0_31:$width),
- IIC_iUNAsi, "sbfx", "\t$dst, $src, $lsb, $width", []> {
+def t2SBFX: T2TwoRegBitFI<
+ (outs rGPR:$Rd), (ins rGPR:$Rn, bf_inv_mask_imm:$imm),
+ IIC_iUNAsi, "sbfx", "\t$Rd, $Rn, $imm", []> {
let Inst{31-27} = 0b11110;
let Inst{25} = 1;
let Inst{24-20} = 0b10100;
let Inst{15} = 0;
}
-def t2UBFX: T2I<(outs rGPR:$dst), (ins rGPR:$src, imm0_31:$lsb, imm0_31:$width),
- IIC_iUNAsi, "ubfx", "\t$dst, $src, $lsb, $width", []> {
+def t2UBFX: T2I<(outs rGPR:$Rd), (ins rGPR:$Rn, bf_inv_mask_imm:$imm),
+ IIC_iUNAsi, "ubfx", "\t$Rd, $Rn, $imm", []> {
let Inst{31-27} = 0b11110;
let Inst{25} = 1;
let Inst{24-20} = 0b11100;
}
// A8.6.18 BFI - Bitfield insert (Encoding T1)
-let Constraints = "$src = $dst" in
-def t2BFI : T2I<(outs rGPR:$dst),
- (ins rGPR:$src, rGPR:$val, bf_inv_mask_imm:$imm),
- IIC_iBITi, "bfi", "\t$dst, $val, $imm",
- [(set rGPR:$dst, (ARMbfi rGPR:$src, rGPR:$val,
+let Constraints = "$src = $Rd" in
+def t2BFI : T2BitFI<(outs rGPR:$Rd),
+ (ins rGPR:$src, rGPR:$Rn, bf_inv_mask_imm:$imm),
+ IIC_iBITi, "bfi", "\t$Rd, $Rn, $imm",
+ [(set rGPR:$Rd, (ARMbfi rGPR:$src, rGPR:$Rn,
bf_inv_mask_imm:$imm))]> {
let Inst{31-27} = 0b11110;
let Inst{25} = 1;