NoItinerary, []>;
}
-def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "", []>,
- Requires<[IsARM, HasV6T2]> {
- let Inst{27-16} = 0b001100100000;
- let Inst{15-8} = 0b11110000;
- let Inst{7-0} = 0b00000000;
-}
-
-def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "", []>,
- Requires<[IsARM, HasV6T2]> {
- let Inst{27-16} = 0b001100100000;
- let Inst{15-8} = 0b11110000;
- let Inst{7-0} = 0b00000001;
+def HINT : AI<(outs), (ins imm0_255:$imm), MiscFrm, NoItinerary,
+ "hint", "\t$imm", []>, Requires<[IsARM, HasV6]> {
+ bits<8> imm;
+ let Inst{27-8} = 0b00110010000011110000;
+ let Inst{7-0} = imm;
}
-def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "", []>,
- Requires<[IsARM, HasV6T2]> {
- let Inst{27-16} = 0b001100100000;
- let Inst{15-8} = 0b11110000;
- let Inst{7-0} = 0b00000010;
-}
-
-def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "", []>,
- Requires<[IsARM, HasV6T2]> {
- let Inst{27-16} = 0b001100100000;
- let Inst{15-8} = 0b11110000;
- let Inst{7-0} = 0b00000011;
-}
+def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6T2]>;
+def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6T2]>;
+def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6T2]>;
+def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6T2]>;
+def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6T2]>;
def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
"\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
let Inst{27-20} = 0b01101000;
let Inst{7-4} = 0b1011;
let Inst{11-8} = 0b1111;
-
let Unpredictable{11-8} = 0b1111;
}
-def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
- []>, Requires<[IsARM, HasV6T2]> {
- let Inst{27-16} = 0b001100100000;
- let Inst{15-8} = 0b11110000;
- let Inst{7-0} = 0b00000100;
-}
-
-// The i32imm operand $val can be used by a debugger to store more information
+// The 16-bit operand $val can be used by a debugger to store more information
// about the breakpoint.
def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
"bkpt", "\t$val", []>, Requires<[IsARM]> {