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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