[arm64] Optimize fcmp when lhs operand is #0.0

src/compiler/arm64/code-generator-arm64.cc

Index: src/compiler/arm64/code-generator-arm64.cc
diff --git a/src/compiler/arm64/code-generator-arm64.cc b/src/compiler/arm64/code-generator-arm64.cc
index b4a60046038588caf7b0bd350d76da8e0270e1e7..2b51cd09c6102720b077432a65bc11793a891a4a 100644
--- a/src/compiler/arm64/code-generator-arm64.cc
+++ b/src/compiler/arm64/code-generator-arm64.cc
@@ -259,6 +259,22 @@ Condition FlagsConditionToCondition(FlagsCondition condition) {
       return ls;
     case kUnsignedGreaterThan:
       return hi;
+    case kFloatLessThanOrUnordered:
+      return lt;
+    case kFloatGreaterThanOrEqual:
+      return ge;
+    case kFloatLessThanOrEqual:
+      return ls;
+    case kFloatGreaterThanOrUnordered:
+      return hi;
+    case kFloatLessThan:
+      return lo;
+    case kFloatGreaterThanOrEqualOrUnordered:
+      return hs;
+    case kFloatLessThanOrEqualOrUnordered:
+      return le;
+    case kFloatGreaterThan:
+      return gt;
     case kOverflow:
       return vs;
     case kNotOverflow: