Inst = TmpInst;
break;
}
+ case PPC::SUBI: {
+ MCInst TmpInst;
+ int64_t N = Inst.getOperand(2).getImm();
+ TmpInst.setOpcode(PPC::ADDI);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ TmpInst.addOperand(MCOperand::CreateImm(-N));
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::SUBIS: {
+ MCInst TmpInst;
+ int64_t N = Inst.getOperand(2).getImm();
+ TmpInst.setOpcode(PPC::ADDIS);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ TmpInst.addOperand(MCOperand::CreateImm(-N));
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::SUBIC: {
+ MCInst TmpInst;
+ int64_t N = Inst.getOperand(2).getImm();
+ TmpInst.setOpcode(PPC::ADDIC);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ TmpInst.addOperand(MCOperand::CreateImm(-N));
+ Inst = TmpInst;
+ break;
+ }
+ case PPC::SUBICo: {
+ MCInst TmpInst;
+ int64_t N = Inst.getOperand(2).getImm();
+ TmpInst.setOpcode(PPC::ADDICo);
+ TmpInst.addOperand(Inst.getOperand(0));
+ TmpInst.addOperand(Inst.getOperand(1));
+ TmpInst.addOperand(MCOperand::CreateImm(-N));
+ Inst = TmpInst;
+ break;
+ }
case PPC::SLWI: {
MCInst TmpInst;
int64_t N = Inst.getOperand(2).getImm();
def LAx : PPCAsmPseudo<"la $rA, $addr", (ins gprc:$rA, memri:$addr)>;
+def SUBI : PPCAsmPseudo<"subi $rA, $rB, $imm",
+ (ins gprc:$rA, gprc:$rB, s16imm:$imm)>;
+def SUBIS : PPCAsmPseudo<"subis $rA, $rB, $imm",
+ (ins gprc:$rA, gprc:$rB, s16imm:$imm)>;
+def SUBIC : PPCAsmPseudo<"subic $rA, $rB, $imm",
+ (ins gprc:$rA, gprc:$rB, s16imm:$imm)>;
+def SUBICo : PPCAsmPseudo<"subic. $rA, $rB, $imm",
+ (ins gprc:$rA, gprc:$rB, s16imm:$imm)>;
+
+def : InstAlias<"sub $rA, $rB, $rC", (SUBF8 g8rc:$rA, g8rc:$rC, g8rc:$rB)>;
+def : InstAlias<"sub. $rA, $rB, $rC", (SUBF8o g8rc:$rA, g8rc:$rC, g8rc:$rB)>;
+def : InstAlias<"subc $rA, $rB, $rC", (SUBFC8 g8rc:$rA, g8rc:$rC, g8rc:$rB)>;
+def : InstAlias<"subc. $rA, $rB, $rC", (SUBFC8o g8rc:$rA, g8rc:$rC, g8rc:$rB)>;
+
def SLWI : PPCAsmPseudo<"slwi $rA, $rS, $n",
(ins gprc:$rA, gprc:$rS, u5imm:$n)>;
def SRWI : PPCAsmPseudo<"srwi $rA, $rS, $n",
# FIXME: Condition register logical mnemonics
-# FIXME: Subtract mnemonics
+# Subtract mnemonics
+
+# CHECK: addi 2, 3, -128 # encoding: [0x38,0x43,0xff,0x80]
+ subi 2, 3, 128
+# CHECK: addis 2, 3, -128 # encoding: [0x3c,0x43,0xff,0x80]
+ subis 2, 3, 128
+# CHECK: addic 2, 3, -128 # encoding: [0x30,0x43,0xff,0x80]
+ subic 2, 3, 128
+# CHECK: addic. 2, 3, -128 # encoding: [0x34,0x43,0xff,0x80]
+ subic. 2, 3, 128
+
+# CHECK: subf 2, 4, 3 # encoding: [0x7c,0x44,0x18,0x50]
+ sub 2, 3, 4
+# CHECK: subf. 2, 4, 3 # encoding: [0x7c,0x44,0x18,0x51]
+ sub. 2, 3, 4
+# CHECK: subfc 2, 4, 3 # encoding: [0x7c,0x44,0x18,0x10]
+ subc 2, 3, 4
+# CHECK: subfc. 2, 4, 3 # encoding: [0x7c,0x44,0x18,0x11]
+ subc. 2, 3, 4
# Compare mnemonics