class NEONInstAlias<string Asm, dag Result, bit Emit = 0b1>
: InstAlias<Asm, Result, Emit>, Requires<[HasNEON]>;
+
+class VFP2MnemonicAlias<string src, string dst> : MnemonicAlias<src, dst>,
+ Requires<[HasVFP2]>;
+class NEONMnemonicAlias<string src, string dst> : MnemonicAlias<src, dst>,
+ Requires<[HasNEON]>;
+
//===----------------------------------------------------------------------===//
// ARM Instruction templates.
//
//===----------------------------------------------------------------------===//
// Assembler aliases
//
+
def : VFP2InstAlias<"fmdhr${p} $Dd, $Rn",
(VSETLNi32 DPR:$Dd, GPR:$Rn, 1, pred:$p)>;
def : VFP2InstAlias<"fmdlr${p} $Dd, $Rn",
(VEXTq32 QPR:$Vdn, QPR:$Vdn, QPR:$Vm, imm0_3:$imm, pred:$p)>;
def : NEONInstAlias<"vext${p}.64 $Vdn, $Vm, $imm",
(VEXTq64 QPR:$Vdn, QPR:$Vdn, QPR:$Vm, imm0_1:$imm, pred:$p)>;
+
+// 'gas' compatibility aliases for quad-word instructions. Strictly speaking,
+// these should restrict to just the Q register variants, but the register
+// classes are enough to match correctly regardless, so we keep it simple
+// and just use MnemonicAlias.
+def : NEONMnemonicAlias<"vbicq", "vbic">;
+def : NEONMnemonicAlias<"vandq", "vand">;
+def : NEONMnemonicAlias<"veorq", "veor">;
+def : NEONMnemonicAlias<"vorrq", "vorr">;
+
+def : NEONMnemonicAlias<"vmovq", "vmov">;
+def : NEONMnemonicAlias<"vmvnq", "vmvn">;
+
+def : NEONMnemonicAlias<"vaddq", "vadd">;
+def : NEONMnemonicAlias<"vsubq", "vsub">;
+
+def : NEONMnemonicAlias<"vminq", "vmin">;
+def : NEONMnemonicAlias<"vmaxq", "vmax">;
+
+def : NEONMnemonicAlias<"vmulq", "vmul">;
+
+def : NEONMnemonicAlias<"vabsq", "vabs">;
+
+def : NEONMnemonicAlias<"vshlq", "vshl">;
+def : NEONMnemonicAlias<"vshrq", "vshr">;
+
+def : NEONMnemonicAlias<"vcvtq", "vcvt">;
+
+def : NEONMnemonicAlias<"vcleq", "vcle">;
+def : NEONMnemonicAlias<"vceqq", "vceq">;