MOVi16 and MOVT ARM mode encodings.
llvm-svn: 116498
diff --git a/llvm/lib/Target/ARM/ARMInstrInfo.td b/llvm/lib/Target/ARM/ARMInstrInfo.td
index 55f7a37..8fc5c3c 100644
--- a/llvm/lib/Target/ARM/ARMInstrInfo.td
+++ b/llvm/lib/Target/ARM/ARMInstrInfo.td
@@ -1634,6 +1634,8 @@
def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins so_reg:$src),
DPSoRegFrm, IIC_iMOVsr,
"mov", "\t$Rd, $src", [(set GPR:$Rd, so_reg:$src)]>, UnaryDP {
+ bits<12> src;
+ let Inst{11-0} = src;
let Inst{25} = 0;
}
@@ -1649,23 +1651,33 @@
}
let isReMaterializable = 1, isAsCheapAsAMove = 1 in
-def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
+def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm:$imm),
DPFrm, IIC_iMOVi,
- "movw", "\t$dst, $src",
- [(set GPR:$dst, imm0_65535:$src)]>,
+ "movw", "\t$Rd, $imm",
+ [(set GPR:$Rd, imm0_65535:$imm)]>,
Requires<[IsARM, HasV6T2]>, UnaryDP {
+ bits<4> Rd;
+ bits<16> imm;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = imm{11-0};
+ let Inst{19-16} = imm{15-12};
let Inst{20} = 0;
let Inst{25} = 1;
}
-let Constraints = "$src = $dst" in
-def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
+let Constraints = "$src = $Rd" in
+def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm:$imm),
DPFrm, IIC_iMOVi,
- "movt", "\t$dst, $imm",
- [(set GPR:$dst,
+ "movt", "\t$Rd, $imm",
+ [(set GPR:$Rd,
(or (and GPR:$src, 0xffff),
lo16AllZero:$imm))]>, UnaryDP,
Requires<[IsARM, HasV6T2]> {
+ bits<4> Rd;
+ bits<16> imm;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = imm{11-0};
+ let Inst{19-16} = imm{15-12};
let Inst{20} = 0;
let Inst{25} = 1;
}