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

[Evan Cheng]

Changes in directory llvm/lib/Target/ARM:

ARMInstrInfo.td updated: 1.88 -> 1.89
ARMInstrThumb.td updated: 1.14 -> 1.15
---
Log message:

Constant generation instructions are re-materializable.

---
Diffs of the changes:  (+11 -5)

 ARMInstrInfo.td  |   15 ++++++++++-----
 ARMInstrThumb.td |    1 +
 2 files changed, 11 insertions(+), 5 deletions(-)


Index: llvm/lib/Target/ARM/ARMInstrInfo.td
diff -u llvm/lib/Target/ARM/ARMInstrInfo.td:1.88 llvm/lib/Target/ARM/ARMInstrInfo.td:1.89
--- llvm/lib/Target/ARM/ARMInstrInfo.td:1.88	Sat Feb  3 03:11:58 2007
+++ llvm/lib/Target/ARM/ARMInstrInfo.td	Mon Mar 19 02:09:02 2007
@@ -137,7 +137,7 @@
   PatLeaf<(imm), [{ return ARM_AM::getSOImmVal(-(int)N->getValue()) != -1; }],
           so_imm_neg_XFORM>;
 
-def so_imm_not : 
+def so_imm_not :
   PatLeaf<(imm), [{ return ARM_AM::getSOImmVal(~(int)N->getValue()) != -1; }],
           so_imm_not_XFORM>;
 
@@ -709,6 +709,8 @@
                 "mov $dst, $src", []>;
 def MOVrs : AI1<(ops GPR:$dst, so_reg:$src),
                 "mov $dst, $src", [(set GPR:$dst, so_reg:$src)]>;
+
+let isReMaterializable = 1 in
 def MOVri : AI1<(ops GPR:$dst, so_imm:$src),
                 "mov $dst, $src", [(set GPR:$dst, so_imm:$src)]>;
 
@@ -806,10 +808,13 @@
 defm EOR   : AI1_bin_irs<"eor", BinOpFrag<(xor node:$LHS, node:$RHS)>>;
 defm BIC   : AI1_bin_irs<"bic", BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
 
-defm MVN   : AI1_unary_irs<"mvn", not>;
-
-def : ARMPat<(i32  so_imm_not:$imm),
-             (MVNi so_imm_not:$imm)>;
+def  MVNr  : AI<(ops GPR:$dst, GPR:$src),
+                "mvn $dst, $src", [(set GPR:$dst, (not GPR:$src))]>;
+def  MVNs  : AI<(ops GPR:$dst, so_reg:$src),
+                "mvn $dst, $src", [(set GPR:$dst, (not so_reg:$src))]>;
+let isReMaterializable = 1 in
+def  MVNi  : AI<(ops GPR:$dst, so_imm:$imm),
+                "mvn $dst, $imm", [(set GPR:$dst, so_imm_not:$imm)]>;
 
 def : ARMPat<(and   GPR:$src, so_imm_not:$imm),
              (BICri GPR:$src, so_imm_not:$imm)>;


Index: llvm/lib/Target/ARM/ARMInstrThumb.td
diff -u llvm/lib/Target/ARM/ARMInstrThumb.td:1.14 llvm/lib/Target/ARM/ARMInstrThumb.td:1.15
--- llvm/lib/Target/ARM/ARMInstrThumb.td:1.14	Tue Feb  6 18:06:56 2007
+++ llvm/lib/Target/ARM/ARMInstrThumb.td	Mon Mar 19 02:09:02 2007
@@ -374,6 +374,7 @@
                  "lsr $dst, $rhs",
                  [(set GPR:$dst, (srl GPR:$lhs, GPR:$rhs))]>;
 
+let isReMaterializable = 1 in
 def tMOVri8 : TI<(ops GPR:$dst, i32imm:$src),
                  "mov $dst, $src",
                  [(set GPR:$dst, imm0_255:$src)]>;