[llvm-commits] [llvm] r141015 - in /llvm/trunk/lib/Target/Mips: Mips64InstrInfo.td MipsInstrInfo.td
Akira Hatanaka
ahatanaka at mips.com
Mon Oct 3 12:28:50 PDT 2011
Author: ahatanak
Date: Mon Oct 3 14:28:44 2011
New Revision: 141015
URL: http://llvm.org/viewvc/llvm-project?rev=141015&view=rev
Log:
Add definitions of instructions which move values between 64-bit integer
registers and 64-bit HI and LO registers. Fix encoding of the 32-bit versions
of the instructions.
Modified:
llvm/trunk/lib/Target/Mips/Mips64InstrInfo.td
llvm/trunk/lib/Target/Mips/MipsInstrInfo.td
Modified: llvm/trunk/lib/Target/Mips/Mips64InstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/Mips64InstrInfo.td?rev=141015&r1=141014&r2=141015&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/Mips64InstrInfo.td (original)
+++ llvm/trunk/lib/Target/Mips/Mips64InstrInfo.td Mon Oct 3 14:28:44 2011
@@ -90,6 +90,19 @@
let shamt = _shamt;
}
+// Move from Hi/Lo
+let shamt = 0 in {
+let rs = 0, rt = 0 in
+class MoveFromLOHI64<bits<6> func, string instr_asm>:
+ FR<0x00, func, (outs CPU64Regs:$dst), (ins),
+ !strconcat(instr_asm, "\t$dst"), [], IIHiLo>;
+
+let rt = 0, rd = 0 in
+class MoveToLOHI64<bits<6> func, string instr_asm>:
+ FR<0x00, func, (outs), (ins CPU64Regs:$src),
+ !strconcat(instr_asm, "\t$src"), [], IIHiLo>;
+}
+
//===----------------------------------------------------------------------===//
// Instruction definition
//===----------------------------------------------------------------------===//
@@ -126,6 +139,16 @@
def DROTRV : LogicR_shift_rotate_reg64<0x16, 0x01, "drotrv", rotr>;
}
+let Defs = [HI64] in
+ def MTHI64 : MoveToLOHI64<0x11, "mthi">;
+let Defs = [LO64] in
+ def MTLO64 : MoveToLOHI64<0x13, "mtlo">;
+
+let Uses = [HI64] in
+ def MFHI64 : MoveFromLOHI64<0x10, "mfhi">;
+let Uses = [LO64] in
+ def MFLO64 : MoveFromLOHI64<0x12, "mflo">;
+
//===----------------------------------------------------------------------===//
// Arbitrary patterns that map to one or more instructions
//===----------------------------------------------------------------------===//
Modified: llvm/trunk/lib/Target/Mips/MipsInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsInstrInfo.td?rev=141015&r1=141014&r2=141015&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsInstrInfo.td (original)
+++ llvm/trunk/lib/Target/Mips/MipsInstrInfo.td Mon Oct 3 14:28:44 2011
@@ -359,13 +359,17 @@
}
// Move from Hi/Lo
+let shamt = 0 in {
+let rs = 0, rt = 0 in
class MoveFromLOHI<bits<6> func, string instr_asm>:
FR<0x00, func, (outs CPURegs:$dst), (ins),
!strconcat(instr_asm, "\t$dst"), [], IIHiLo>;
+let rt = 0, rd = 0 in
class MoveToLOHI<bits<6> func, string instr_asm>:
FR<0x00, func, (outs), (ins CPURegs:$src),
!strconcat(instr_asm, "\t$src"), [], IIHiLo>;
+}
class EffectiveAddress<string instr_asm> :
FI<0x09, (outs CPURegs:$dst), (ins mem_ea:$addr),
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