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* Allow mul, shl nodes to be codegen'd as LEA (if appropriate). 

* Add patterns to handle GlobalAddress, ConstantPool, etc.
  MOV32ri to materialize these nodes in registers.
  ADD32ri to handle %reg + GA, etc.
  MOV32mi to handle store GA, etc. to memory.

llvm-svn: 26374
This commit is contained in:
Evan Cheng 2006-02-25 10:02:21 +00:00
parent e4a8b74e4f
commit 1fac3b3360
1 changed files with 24 additions and 1 deletions
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25
llvm/lib/Target/X86/X86InstrInfo.td
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@ -56,6 +56,8 @@ def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
@ -120,6 +122,8 @@ def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
def X86loadp : SDNode<"X86ISD::LOAD_PACK", SDTLoad,
[SDNPHasChain]>;
def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
//===----------------------------------------------------------------------===//
// X86 Operand Definitions.
//
@ -165,7 +169,7 @@ def brtarget : Operand<OtherVT>;
// Define X86 specific addressing mode.
def addr : ComplexPattern<i32, 4, "SelectAddr", []>;
def leaaddr : ComplexPattern<i32, 4, "SelectLEAAddr",
[add, frameindex]>;
[add, mul, shl, frameindex]>;
//===----------------------------------------------------------------------===//
// X86 Instruction Format Definitions.
@ -2352,6 +2356,25 @@ def MOV32r0 : I<0x31, MRMInitReg, (ops R32:$dst),
// Non-Instruction Patterns
//===----------------------------------------------------------------------===//
// ConstantPool GlobalAddress, ExternalSymbol
def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
def : Pat<(add R32:$src1, (X86Wrapper tconstpool:$src2)),
(ADD32ri R32:$src1, tconstpool:$src2)>;
def : Pat<(add R32:$src1, (X86Wrapper tglobaladdr :$src2)),
(ADD32ri R32:$src1, tglobaladdr:$src2)>;
def : Pat<(add R32:$src1, (X86Wrapper texternalsym:$src2)),
(ADD32ri R32:$src1, texternalsym:$src2)>;
def : Pat<(store (X86Wrapper tconstpool:$src), addr:$dst),
(MOV32mi addr:$dst, tconstpool:$src)>;
def : Pat<(store (X86Wrapper tglobaladdr:$src), addr:$dst),
(MOV32mi addr:$dst, tglobaladdr:$src)>;
def : Pat<(store (X86Wrapper texternalsym:$src), addr:$dst),
(MOV32mi addr:$dst, texternalsym:$src)>;
// Calls
def : Pat<(X86call tglobaladdr:$dst),
(CALLpcrel32 tglobaladdr:$dst)>;