Changes in directory llvm/lib/Target/X86:
X86InstrInfo.td updated: 1.162 -> 1.163
---
Log message:
Some shl patterns which do load + store folding.
---
Diffs of the changes: (+16 -6)
X86InstrInfo.td | 22 ++++++++++++++++------
1 files changed, 16 insertions(+), 6 deletions(-)
Index: llvm/lib/Target/X86/X86InstrInfo.td
diff -u llvm/lib/Target/X86/X86InstrInfo.td:1.162
llvm/lib/Target/X86/X86InstrInfo.td:1.163
--- llvm/lib/Target/X86/X86InstrInfo.td:1.162 Mon Dec 12 19:57:51 2005
+++ llvm/lib/Target/X86/X86InstrInfo.td Mon Dec 12 20:34:51 2005
@@ -1017,17 +1017,27 @@
let isTwoAddress = 0 in {
def SHL8mCL : I<0xD2, MRM4m, (ops i8mem :$dst),
- "shl{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
+ "shl{b} {%cl, $dst|$dst, %CL}",
+ [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>,
+ Imp<[CL],[]>;
def SHL16mCL : I<0xD3, MRM4m, (ops i16mem:$dst),
- "shl{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
+ "shl{w} {%cl, $dst|$dst, %CL}",
+ [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>,
+ Imp<[CL],[]>, OpSize;
def SHL32mCL : I<0xD3, MRM4m, (ops i32mem:$dst),
- "shl{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
+ "shl{l} {%cl, $dst|$dst, %CL}",
+ [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>,
+ Imp<[CL],[]>;
def SHL8mi : Ii8<0xC0, MRM4m, (ops i8mem :$dst, i8imm:$src),
- "shl{b} {$src, $dst|$dst, $src}", []>;
+ "shl{b} {$src, $dst|$dst, $src}",
+ [(store (shl (loadi8 addr:$dst), (i8 imm:$src)),
addr:$dst)]>;
def SHL16mi : Ii8<0xC1, MRM4m, (ops i16mem:$dst, i8imm:$src),
- "shl{w} {$src, $dst|$dst, $src}", []>, OpSize;
+ "shl{w} {$src, $dst|$dst, $src}",
+ [(store (shl (loadi16 addr:$dst), (i8 imm:$src)),
addr:$dst)]>,
+ OpSize;
def SHL32mi : Ii8<0xC1, MRM4m, (ops i32mem:$dst, i8imm:$src),
- "shl{l} {$src, $dst|$dst, $src}", []>;
+ "shl{l} {$src, $dst|$dst, $src}",
+ [(store (shl (loadi32 addr:$dst), (i8 imm:$src)),
addr:$dst)]>;
}
def SHR8rCL : I<0xD2, MRM5r, (ops R8 :$dst, R8 :$src),
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