[llvm-commits] CVS: llvm/lib/Target/ARM/ARMRegisterInfo.cpp

Rafael Espindola rafael.espindola at gmail.com
Mon Dec 18 03:07:24 PST 2006



Changes in directory llvm/lib/Target/ARM:

ARMRegisterInfo.cpp updated: 1.29 -> 1.30
---
Log message:

macros -> Inline functions
Lauros's patch


---
Diffs of the changes:  (+13 -9)

 ARMRegisterInfo.cpp |   22 +++++++++++++---------
 1 files changed, 13 insertions(+), 9 deletions(-)


Index: llvm/lib/Target/ARM/ARMRegisterInfo.cpp
diff -u llvm/lib/Target/ARM/ARMRegisterInfo.cpp:1.29 llvm/lib/Target/ARM/ARMRegisterInfo.cpp:1.30
--- llvm/lib/Target/ARM/ARMRegisterInfo.cpp:1.29	Thu Dec 14 07:31:27 2006
+++ llvm/lib/Target/ARM/ARMRegisterInfo.cpp	Mon Dec 18 05:07:09 2006
@@ -35,9 +35,13 @@
   return NoFramePointerElim || MFI->hasVarSizedObjects();
 }
 
-#define ROTATE32L(x, n) (((x) << (n)) | ((x)  >> (32 - (n))))
+static inline unsigned rotateL(unsigned x, unsigned n){
+  return ((x << n) | (x  >> (32 - n)));
+}
 
-#define ROTATE32R(x, n) (((x) >> (n)) | ((x)  << (32 - (n))))
+static inline unsigned rotateR(unsigned x, unsigned n){
+  return ((x >> n) | (x  << (32 - n)));
+}
 
 // finds the end position of largest sequence of zeros in binary representation
 // of 'immediate'.
@@ -50,19 +54,19 @@
   int end_pos;
 
   while ((immediate & 0x3) == 0) {
-    immediate = ROTATE32R(immediate, 2);
+    immediate = rotateR(immediate, 2);
     pos+=2;
   }
   end_pos = pos+32;
 
   while (pos<end_pos){
     while ((immediate & 0x3) != 0) {
-      immediate = ROTATE32R(immediate, 2);
+      immediate = rotateR(immediate, 2);
       pos+=2;
     }
     zero_pos = pos;
     while ((immediate & 0x3) == 0) {
-      immediate = ROTATE32R(immediate, 2);
+      immediate = rotateR(immediate, 2);
       pos+=2;
     }
     zero_length = pos - zero_pos;
@@ -90,19 +94,19 @@
   }
 
   int start_pos = findLargestZeroSequence(immediate);
-  unsigned immediate_tmp = ROTATE32R(immediate, start_pos);
+  unsigned immediate_tmp = rotateR(immediate, start_pos);
 
   int pos = 0;
   while (pos < 32){
     while(((immediate_tmp&0x3) == 0)&&(pos<32)){
-      immediate_tmp = ROTATE32R(immediate_tmp,2);
+      immediate_tmp = rotateR(immediate_tmp,2);
       pos+=2;
     }
     if (pos < 32){
       BuildMI(BB, I, TID, DestReg).addReg(OrigReg)
-	.addImm(ROTATE32L(immediate_tmp&0xFF, (start_pos + pos) % 32 ))
+	.addImm(rotateL(immediate_tmp&0xFF, (start_pos + pos) % 32 ))
 	.addImm(0).addImm(ARMShift::LSL);
-      immediate_tmp = ROTATE32R(immediate_tmp,8);
+      immediate_tmp = rotateR(immediate_tmp,8);
       pos+=8;
     }
   }






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