Changes in directory llvm/lib/Target/X86:
X86InstrInfo.td updated: 1.213 -> 1.214
X86TargetMachine.cpp updated: 1.92 -> 1.93
---
Log message:
Added i16 SH{L|R}D patterns.
---
Diffs of the changes: (+13 -3)
X86InstrInfo.td | 14 ++++++++++++--
X86TargetMachine.cpp | 2 +-
2 files changed, 13 insertions(+), 3 deletions(-)
Index: llvm/lib/Target/X86/X86InstrInfo.td
diff -u llvm/lib/Target/X86/X86InstrInfo.td:1.213
llvm/lib/Target/X86/X86InstrInfo.td:1.214
--- llvm/lib/Target/X86/X86InstrInfo.td:1.213 Thu Jan 19 00:53:20 2006
+++ llvm/lib/Target/X86/X86InstrInfo.td Thu Jan 19 17:26:24 2006
@@ -3068,12 +3068,22 @@
def : Pat<(shl R16:$src1, (i8 1)), (ADD16rr R16:$src1, R16:$src1)>;
def : Pat<(shl R32:$src1, (i8 1)), (ADD32rr R32:$src1, R32:$src1)>;
-// (or (x >> c) | (y << (32 - c))) ==> (shrd x, y, c)
+// (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
def : Pat<(or (srl R32:$src1, CL:$amt),
(shl R32:$src2, (sub 32, CL:$amt))),
(SHRD32rrCL R32:$src1, R32:$src2)>;
-// (or (x << c) | (y >> (32 - c))) ==> (shld x, y, c)
+// (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
def : Pat<(or (shl R32:$src1, CL:$amt),
(srl R32:$src2, (sub 32, CL:$amt))),
(SHLD32rrCL R32:$src1, R32:$src2)>;
+
+// (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
+def : Pat<(or (srl R16:$src1, CL:$amt),
+ (shl R16:$src2, (sub 16, CL:$amt))),
+ (SHRD16rrCL R16:$src1, R16:$src2)>;
+
+// (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
+def : Pat<(or (shl R16:$src1, CL:$amt),
+ (srl R16:$src2, (sub 16, CL:$amt))),
+ (SHLD16rrCL R16:$src1, R16:$src2)>;
Index: llvm/lib/Target/X86/X86TargetMachine.cpp
diff -u llvm/lib/Target/X86/X86TargetMachine.cpp:1.92
llvm/lib/Target/X86/X86TargetMachine.cpp:1.93
--- llvm/lib/Target/X86/X86TargetMachine.cpp:1.92 Tue Dec 20 16:59:51 2005
+++ llvm/lib/Target/X86/X86TargetMachine.cpp Thu Jan 19 17:26:24 2006
@@ -48,7 +48,7 @@
cl::opt<bool, true> EnableX86DAGDAG("enable-x86-dag-isel", cl::Hidden,
cl::desc("Enable DAG-to-DAG isel for X86"),
cl::location(X86DAGIsel),
- cl::init(false));
+ cl::init(true));
// FIXME: This should eventually be handled with target triples and
// subtarget support!
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