Changes in directory llvm/lib/Target/ARM:
ARMISelLowering.cpp updated: 1.33 -> 1.34
---
Log message:
Add i16 address mode.
---
Diffs of the changes: (+7 -2)
ARMISelLowering.cpp | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
Index: llvm/lib/Target/ARM/ARMISelLowering.cpp
diff -u llvm/lib/Target/ARM/ARMISelLowering.cpp:1.33
llvm/lib/Target/ARM/ARMISelLowering.cpp:1.34
--- llvm/lib/Target/ARM/ARMISelLowering.cpp:1.33 Fri Mar 30 18:15:24 2007
+++ llvm/lib/Target/ARM/ARMISelLowering.cpp Sun Apr 1 03:06:46 2007
@@ -1300,19 +1300,24 @@
return false;
default:
- // FIXME: verify.
switch (getValueType(Ty)) {
default: return false;
case MVT::i1:
case MVT::i8:
- // TODO: i16? i64 should be i32, no?
case MVT::i32:
+ case MVT::i64:
+ // This assumes i64 is legalized to a pair of i32. If not (i.e.
+ // ldrd / strd are used, then its address mode is same as i16.
// r + r
if (AM.Scale == 2)
return true;
// r + r << imm
if (!isPowerOf2_32(AM.Scale & ~1))
return false;
+ case MVT::i16:
+ // r + r
+ if (((unsigned)AM.HasBaseReg + AM.Scale) <= 2)
+ return true;
}
break;
}
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