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authorReid Spencer <rspencer@reidspencer.com>2006-12-07 04:22:23 +0000
committerReid Spencer <rspencer@reidspencer.com>2006-12-07 04:22:23 +0000
commit7fed45ea184188ba985c66e931b94db088c697b8 (patch)
treefb57253b4a1aa2718e35d51f8b1e1a39496b2969
parentd422db854752f48a016d07598fed2ead48106d2e (diff)
Create an option to turn off generation of fcmp instructions while still
allowing integer setxx instructions to be converted to icmp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32302 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--tools/llvm-upgrade/UpgradeParser.y9
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/llvm-upgrade/UpgradeParser.y b/tools/llvm-upgrade/UpgradeParser.y
index 1ee394c827..f53369d603 100644
--- a/tools/llvm-upgrade/UpgradeParser.y
+++ b/tools/llvm-upgrade/UpgradeParser.y
@@ -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 @@ getCompareOp(const std::string& setcc, const TypeInfo& TI) {
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'))