implement support for __builtin_eh_return_data_regno on x86-32 and x86-64.
This implements PR5034 and rdar://6836445.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82614 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index f620581..8c31dcb 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -900,6 +900,12 @@
virtual const char *getVAListDeclaration() const {
return "typedef char* __builtin_va_list;";
}
+
+ int getEHDataRegisterNumber(unsigned RegNo) const {
+ if (RegNo == 0) return 0;
+ if (RegNo == 1) return 2;
+ return -1;
+ }
};
} // end anonymous namespace
@@ -990,6 +996,12 @@
"} __va_list_tag;"
"typedef __va_list_tag __builtin_va_list[1];";
}
+
+ int getEHDataRegisterNumber(unsigned RegNo) const {
+ if (RegNo == 0) return 0;
+ if (RegNo == 1) return 1;
+ return -1;
+ }
};
} // end anonymous namespace