Changes in directory llvm/lib/Target/X86:
X86InstrInfo.td updated: 1.165 -> 1.166
---
Log message:
Added sext and zext patterns.
---
Diffs of the changes: (+34 -9)
X86InstrInfo.td | 43 ++++++++++++++++++++++++++++++++++---------
1 files changed, 34 insertions(+), 9 deletions(-)
Index: llvm/lib/Target/X86/X86InstrInfo.td
diff -u llvm/lib/Target/X86/X86InstrInfo.td:1.165
llvm/lib/Target/X86/X86InstrInfo.td:1.166
--- llvm/lib/Target/X86/X86InstrInfo.td:1.165 Tue Dec 13 01:24:22 2005
+++ llvm/lib/Target/X86/X86InstrInfo.td Tue Dec 13 20:22:27 2005
@@ -162,9 +162,22 @@
}]>;
// Helper fragments for loads.
-def loadi8 : PatFrag<(ops node:$in), (i8 (load node:$in))>;
-def loadi16 : PatFrag<(ops node:$in), (i16 (load node:$in))>;
-def loadi32 : PatFrag<(ops node:$in), (i32 (load node:$in))>;
+def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
+def loadi16 : PatFrag<(ops node:$ptr), (i16 (load node:$ptr))>;
+def loadi32 : PatFrag<(ops node:$ptr), (i32 (load node:$ptr))>;
+
+def sextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i1))>;
+def sextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i1))>;
+def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i8))>;
+def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i8))>;
+def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i16))>;
+
+def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i1))>;
+def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i1))>;
+def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i8))>;
+def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i8))>;
+def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i16))>;
+
//===----------------------------------------------------------------------===//
// Instruction templates...
@@ -1663,33 +1676,45 @@
"movs{bw|x} {$src, $dst|$dst, $src}",
[(set R16:$dst, (sext R8:$src))]>, TB, OpSize;
def MOVSX16rm8 : I<0xBE, MRMSrcMem, (ops R16:$dst, i8mem :$src),
- "movs{bw|x} {$src, $dst|$dst, $src}", []>, TB, OpSize;
+ "movs{bw|x} {$src, $dst|$dst, $src}",
+ [(set R16:$dst, (sextloadi16i8 addr:$src))]>, TB, OpSize;
def MOVSX32rr8 : I<0xBE, MRMSrcReg, (ops R32:$dst, R8 :$src),
"movs{bl|x} {$src, $dst|$dst, $src}",
[(set R32:$dst, (sext R8:$src))]>, TB;
def MOVSX32rm8 : I<0xBE, MRMSrcMem, (ops R32:$dst, i8mem :$src),
- "movs{bl|x} {$src, $dst|$dst, $src}", []>, TB;
+ "movs{bl|x} {$src, $dst|$dst, $src}",
+ [(set R32:$dst, (sextloadi32i8 addr:$src))]>, TB;
def MOVSX32rr16: I<0xBF, MRMSrcReg, (ops R32:$dst, R16:$src),
"movs{wl|x} {$src, $dst|$dst, $src}",
[(set R32:$dst, (sext R16:$src))]>, TB;
def MOVSX32rm16: I<0xBF, MRMSrcMem, (ops R32:$dst, i16mem:$src),
- "movs{wl|x} {$src, $dst|$dst, $src}", []>, TB;
+ "movs{wl|x} {$src, $dst|$dst, $src}",
+ [(set R32:$dst, (sextloadi32i16 addr:$src))]>, TB;
def MOVZX16rr8 : I<0xB6, MRMSrcReg, (ops R16:$dst, R8 :$src),
"movz{bw|x} {$src, $dst|$dst, $src}",
[(set R16:$dst, (zext R8:$src))]>, TB, OpSize;
def MOVZX16rm8 : I<0xB6, MRMSrcMem, (ops R16:$dst, i8mem :$src),
- "movz{bw|x} {$src, $dst|$dst, $src}", []>, TB, OpSize;
+ "movz{bw|x} {$src, $dst|$dst, $src}",
+ [(set R16:$dst, (zextloadi16i8 addr:$src))]>, TB, OpSize;
def MOVZX32rr8 : I<0xB6, MRMSrcReg, (ops R32:$dst, R8 :$src),
"movz{bl|x} {$src, $dst|$dst, $src}",
[(set R32:$dst, (zext R8:$src))]>, TB;
def MOVZX32rm8 : I<0xB6, MRMSrcMem, (ops R32:$dst, i8mem :$src),
- "movz{bl|x} {$src, $dst|$dst, $src}", []>, TB;
+ "movz{bl|x} {$src, $dst|$dst, $src}",
+ [(set R32:$dst, (zextloadi32i8 addr:$src))]>, TB;
def MOVZX32rr16: I<0xB7, MRMSrcReg, (ops R32:$dst, R16:$src),
"movz{wl|x} {$src, $dst|$dst, $src}",
[(set R32:$dst, (zext R16:$src))]>, TB;
def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops R32:$dst, i16mem:$src),
- "movz{wl|x} {$src, $dst|$dst, $src}", []>, TB;
+ "movz{wl|x} {$src, $dst|$dst, $src}",
+ [(set R32:$dst, (zextloadi32i16 addr:$src))]>, TB;
+
+// Handling 1 bit zextload and sextload
+def : Pat<(sextloadi16i1 addr:$src), (MOVSX16rm8 addr:$src)>;
+def : Pat<(sextloadi32i1 addr:$src), (MOVSX32rm8 addr:$src)>;
+def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
+def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
//===----------------------------------------------------------------------===//
// XMM Floating point support (requires SSE2)
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