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-rw-r--r--lib/Target/XCore/Disassembler/XCoreDisassembler.cpp25
-rw-r--r--lib/Target/XCore/XCoreInstrFormats.td6
-rw-r--r--lib/Target/XCore/XCoreInstrInfo.td9
-rw-r--r--test/MC/Disassembler/XCore/xcore.txt5
4 files changed, 39 insertions, 6 deletions
diff --git a/lib/Target/XCore/Disassembler/XCoreDisassembler.cpp b/lib/Target/XCore/Disassembler/XCoreDisassembler.cpp
index e6861bf..73aeb9c 100644
--- a/lib/Target/XCore/Disassembler/XCoreDisassembler.cpp
+++ b/lib/Target/XCore/Disassembler/XCoreDisassembler.cpp
@@ -170,6 +170,11 @@ static DecodeStatus DecodeL2RUSBitpInstruction(MCInst &Inst,
uint64_t Address,
const void *Decoder);
+static DecodeStatus DecodeL6RInstruction(MCInst &Inst,
+ unsigned Insn,
+ uint64_t Address,
+ const void *Decoder);
+
#include "XCoreGenDisassemblerTables.inc"
static DecodeStatus DecodeGRRegsRegisterClass(MCInst &Inst,
@@ -572,6 +577,26 @@ DecodeL2RUSBitpInstruction(MCInst &Inst, unsigned Insn, uint64_t Address,
return S;
}
+static DecodeStatus
+DecodeL6RInstruction(MCInst &Inst, unsigned Insn, uint64_t Address,
+ const void *Decoder) {
+ unsigned Op1, Op2, Op3, Op4, Op5, Op6;
+ DecodeStatus S =
+ Decode3OpInstruction(fieldFromInstruction(Insn, 0, 16), Op1, Op2, Op3);
+ if (S != MCDisassembler::Success)
+ return S;
+ S = Decode3OpInstruction(fieldFromInstruction(Insn, 16, 16), Op4, Op5, Op6);
+ if (S != MCDisassembler::Success)
+ return S;
+ DecodeGRRegsRegisterClass(Inst, Op1, Address, Decoder);
+ DecodeGRRegsRegisterClass(Inst, Op4, Address, Decoder);
+ DecodeGRRegsRegisterClass(Inst, Op2, Address, Decoder);
+ DecodeGRRegsRegisterClass(Inst, Op3, Address, Decoder);
+ DecodeGRRegsRegisterClass(Inst, Op5, Address, Decoder);
+ DecodeGRRegsRegisterClass(Inst, Op6, Address, Decoder);
+ return S;
+}
+
MCDisassembler::DecodeStatus
XCoreDisassembler::getInstruction(MCInst &instr,
uint64_t &Size,
diff --git a/lib/Target/XCore/XCoreInstrFormats.td b/lib/Target/XCore/XCoreInstrFormats.td
index 29bc658..fa360a7 100644
--- a/lib/Target/XCore/XCoreInstrFormats.td
+++ b/lib/Target/XCore/XCoreInstrFormats.td
@@ -226,6 +226,10 @@ class _L5R<dag outs, dag ins, string asmstr, list<dag> pattern>
: InstXCore<4, outs, ins, asmstr, pattern> {
}
-class _L6R<dag outs, dag ins, string asmstr, list<dag> pattern>
+class _FL6R<bits<5> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
: InstXCore<4, outs, ins, asmstr, pattern> {
+ let Inst{31-27} = opc;
+ let Inst{15-11} = 0b11111;
+
+ let DecoderMethod = "DecodeL6RInstruction";
}
diff --git a/lib/Target/XCore/XCoreInstrInfo.td b/lib/Target/XCore/XCoreInstrInfo.td
index d193b45..65dbaef 100644
--- a/lib/Target/XCore/XCoreInstrInfo.td
+++ b/lib/Target/XCore/XCoreInstrInfo.td
@@ -502,11 +502,10 @@ def LDIV_l5r : _L5R<(outs GRRegs:$dst1, GRRegs:$dst2),
// Six operand long
-def LMUL_l6r : _L6R<(outs GRRegs:$dst1, GRRegs:$dst2),
- (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3,
- GRRegs:$src4),
- "lmul $dst1, $dst2, $src1, $src2, $src3, $src4",
- []>;
+def LMUL_l6r : _FL6R<
+ 0b00000, (outs GRRegs:$dst1, GRRegs:$dst2),
+ (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3, GRRegs:$src4),
+ "lmul $dst1, $dst2, $src1, $src2, $src3, $src4", []>;
// Register - U6
diff --git a/test/MC/Disassembler/XCore/xcore.txt b/test/MC/Disassembler/XCore/xcore.txt
index 43c3c8d..d9d7e09 100644
--- a/test/MC/Disassembler/XCore/xcore.txt
+++ b/test/MC/Disassembler/XCore/xcore.txt
@@ -456,3 +456,8 @@
# CHECK: bl 38631
0x25 0xf0 0xe7 0xd2
+
+# l6r instructions
+
+# CHECK: lmul r11, r0, r2, r5, r8, r10
+0xf9 0xfa 0x02 0x06