[llvm-commits] CVS: llvm/tools/llvm-upgrade/UpgradeParser.y

Reid Spencer reid at x10sys.com
Wed Dec 6 20:22:38 PST 2006



Changes in directory llvm/tools/llvm-upgrade:

UpgradeParser.y updated: 1.21 -> 1.22
---
Log message:

Create an option to turn off generation of fcmp instructions while still
allowing integer setxx instructions to be converted to icmp.


---
Diffs of the changes:  (+9 -0)

 UpgradeParser.y |    9 +++++++++
 1 files changed, 9 insertions(+)


Index: llvm/tools/llvm-upgrade/UpgradeParser.y
diff -u llvm/tools/llvm-upgrade/UpgradeParser.y:1.21 llvm/tools/llvm-upgrade/UpgradeParser.y:1.22
--- llvm/tools/llvm-upgrade/UpgradeParser.y:1.21	Wed Dec  6 04:57:33 2006
+++ llvm/tools/llvm-upgrade/UpgradeParser.y	Wed Dec  6 22:22:23 2006
@@ -24,6 +24,7 @@
 #define YYINCLUDED_STDLIB_H
 #define YYDEBUG 1
 #define UPGRADE_SETCOND_OPS 0
+#define GENERATE_FCMP_INSTS 0
 
 int yylex();                       // declaration" of xxx warnings.
 int yyparse();
@@ -247,8 +248,16 @@
   result[6] = cc1;
   result[7] = cc2;
   if (TI.isFloatingPoint()) {
+#if GENERATE_FCMP_INSTS
     result[0] = 'f';
     result[5] = 'o'; // FIXME: Always map to ordered comparison ?
+    if (cc1 == 'n')
+      result[5] = 'u'; // NE maps to unordered
+    else
+      result[5] = 'o'; // everything else maps to ordered
+#else
+    result = setcc;
+#endif
   } else if (TI.isIntegral() || TI.isPointer()) {
     result[0] = 'i';
     if ((cc1 == 'e' && cc2 == 'q') || (cc1 == 'n' && cc2 == 'e'))






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