[llvm-commits] CVS: llvm/lib/Target/ARM/ARMInstrThumb.td

[Evan Cheng]

Changes in directory llvm/lib/Target/ARM:

ARMInstrThumb.td updated: 1.19 -> 1.20
---
Log message:

Can't re-materialize mov r, imm in thumb since mov would clobber the condition code.

---
Diffs of the changes:  (+1 -1)

 ARMInstrThumb.td |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)


Index: llvm/lib/Target/ARM/ARMInstrThumb.td
diff -u llvm/lib/Target/ARM/ARMInstrThumb.td:1.19 llvm/lib/Target/ARM/ARMInstrThumb.td:1.20
--- llvm/lib/Target/ARM/ARMInstrThumb.td:1.19	Tue Mar 27 11:19:21 2007
+++ llvm/lib/Target/ARM/ARMInstrThumb.td	Thu Mar 29 16:38:31 2007
@@ -379,7 +379,7 @@
                  "lsr $dst, $rhs",
                  [(set GPR:$dst, (srl GPR:$lhs, GPR:$rhs))]>;
 
-let isReMaterializable = 1 in
+// FIXME: This is not rematerializable because mov changes the condition code.
 def tMOVi8 : TI<(ops GPR:$dst, i32imm:$src),
                  "mov $dst, $src",
                  [(set GPR:$dst, imm0_255:$src)]>;