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authorDavid Chisnall <csdavec@swan.ac.uk>2012-10-09 16:27:43 +0000
committerDavid Chisnall <csdavec@swan.ac.uk>2012-10-09 16:27:43 +0000
commit572e1bd109518f80b54d229de10699c4603944c3 (patch)
tree255e34d07c2e36c733a2b93cf7b55f98a2ce0559 /lib/Target/Mips/Mips64InstrInfo.td
parent7d661468682c333739a6f6ab7dc337463573c354 (diff)
Improvements to MIPS64 assembler:
- Teach it about dadd[i] instructions and move pseudo-instruction - Make it parse the register names correctly (for N32 / N64) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165506 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/Mips64InstrInfo.td')
-rw-r--r--lib/Target/Mips/Mips64InstrInfo.td8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Target/Mips/Mips64InstrInfo.td b/lib/Target/Mips/Mips64InstrInfo.td
index fe1e188303..bd472d6f67 100644
--- a/lib/Target/Mips/Mips64InstrInfo.td
+++ b/lib/Target/Mips/Mips64InstrInfo.td
@@ -83,6 +83,8 @@ let usesCustomInserter = 1, Predicates = [HasMips64, HasStandardEncoding],
//===----------------------------------------------------------------------===//
let DecoderNamespace = "Mips64" in {
/// Arithmetic Instructions (ALU Immediate)
+def DADDi : ArithOverflowI<0x18, "daddi", add, simm16_64, immSExt16,
+ CPU64Regs>;
def DADDiu : ArithLogicI<0x19, "daddiu", add, simm16_64, immSExt16,
CPU64Regs>;
def DANDi : ArithLogicI<0x0c, "andi", and, uimm16_64, immZExt16, CPU64Regs>;
@@ -93,6 +95,7 @@ def XORi64 : ArithLogicI<0x0e, "xori", xor, uimm16_64, immZExt16, CPU64Regs>;
def LUi64 : LoadUpper<0x0f, "lui", CPU64Regs, uimm16_64>;
/// Arithmetic Instructions (3-Operand, R-Type)
+def DADD : ArithOverflowR<0x00, 0x2C, "dadd", IIAlu, CPU64Regs, 1>;
def DADDu : ArithLogicR<0x00, 0x2d, "daddu", add, IIAlu, CPU64Regs, 1>;
def DSUBu : ArithLogicR<0x00, 0x2f, "dsubu", sub, IIAlu, CPU64Regs>;
def SLT64 : SetCC_R<0x00, 0x2a, "slt", setlt, CPU64Regs>;
@@ -307,3 +310,8 @@ def : MipsPat<(i64 (sext_inreg CPU64Regs:$src, i32)),
// bswap MipsPattern
def : MipsPat<(bswap CPU64Regs:$rt), (DSHD (DSBH CPU64Regs:$rt))>;
+
+//===----------------------------------------------------------------------===//
+// Instruction aliases
+//===----------------------------------------------------------------------===//
+def : InstAlias<"move $dst,$src", (DADD CPU64Regs:$dst,CPU64Regs:$src,ZERO_64)>;