def pci : T2Ipc <(outs target:$Rt), (ins t2ldrlabel:$addr), iii,
opc, ".w\t$Rt, $addr",
[(set target:$Rt, (opnode (ARMWrapper tconstpool:$addr)))]> {
+ bits<4> Rt;
+ bits<13> addr;
let isReMaterializable = 1;
let Inst{31-27} = 0b11111;
let Inst{26-25} = 0b00;
let Inst{24} = signed;
- let Inst{23} = ?; // add = (U == '1')
+ let Inst{23} = addr{12}; // add = (U == '1')
let Inst{22-21} = opcod;
let Inst{20} = 1; // load
let Inst{19-16} = 0b1111; // Rn
- bits<4> Rt;
- bits<12> addr;
let Inst{15-12} = Rt{3-0};
let Inst{11-0} = addr{11-0};
case ARM::t2LDRpcrel:
// Select the narrow version if the immediate will fit.
if (Inst.getOperand(1).getImm() > 0 &&
- Inst.getOperand(1).getImm() <= 0xff)
+ Inst.getOperand(1).getImm() <= 0xff &&
+ !(static_cast<ARMOperand*>(Operands[2])->isToken() &&
+ static_cast<ARMOperand*>(Operands[2])->getToken() == ".w"))
Inst.setOpcode(ARM::tLDRpci);
else
Inst.setOpcode(ARM::t2LDRpci);
@------------------------------------------------------------------------------
@ Alternate syntax for LDR*(literal) encodings
@------------------------------------------------------------------------------
+ ldrb r11, [pc, #22]
+ ldrh r11, [pc, #22]
+ ldrsb r11, [pc, #22]
+ ldrsh r11, [pc, #22]
+ ldr.w r11, [pc, #22]
+ ldrb.w r11, [pc, #22]
+ ldrh.w r11, [pc, #22]
+ ldrsb.w r11, [pc, #22]
+ ldrsh.w r11, [pc, #22]
+
+@ CHECK: ldrb.w r11, [pc, #22] @ encoding: [0x9f,0xf8,0x16,0xb0]
+@ CHECK: ldrh.w r11, [pc, #22] @ encoding: [0xbf,0xf8,0x16,0xb0]
+@ CHECK: ldrsb.w r11, [pc, #22] @ encoding: [0x9f,0xf9,0x16,0xb0]
+@ CHECK: ldrsh.w r11, [pc, #22] @ encoding: [0xbf,0xf9,0x16,0xb0]
+@ CHECK: ldr.w r11, [pc, #22] @ encoding: [0xdf,0xf8,0x16,0xb0]
+@ CHECK: ldrb.w r11, [pc, #22] @ encoding: [0x9f,0xf8,0x16,0xb0]
+@ CHECK: ldrh.w r11, [pc, #22] @ encoding: [0xbf,0xf8,0x16,0xb0]
+@ CHECK: ldrsb.w r11, [pc, #22] @ encoding: [0x9f,0xf9,0x16,0xb0]
+@ CHECK: ldrsh.w r11, [pc, #22] @ encoding: [0xbf,0xf9,0x16,0xb0]
+
ldr r11, [pc, #-22]
ldrb r11, [pc, #-22]
ldrh r11, [pc, #-22]
ldrsb r11, [pc, #-22]
ldrsh r11, [pc, #-22]
-
ldr.w r11, [pc, #-22]
ldrb.w r11, [pc, #-22]
ldrh.w r11, [pc, #-22]