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authorChris Lattner <sabre@nondot.org>2009-09-23 06:06:36 +0000
committerChris Lattner <sabre@nondot.org>2009-09-23 06:06:36 +0000
commit21fb98ee003e992b0c4e204d98a19e0ef544cae3 (patch)
treefb74b2013454c3630bc397c5a8ba0c8f9b654b42 /include/clang/Basic
parent6a3bc6df36848188e9d0c1d978170c2b0918c6a3 (diff)
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
Diffstat (limited to 'include/clang/Basic')
-rw-r--r--include/clang/Basic/Builtins.def1
-rw-r--r--include/clang/Basic/TargetInfo.h9
2 files changed, 9 insertions, 1 deletions
diff --git a/include/clang/Basic/Builtins.def b/include/clang/Basic/Builtins.def
index da0906b77b..502bbd24d9 100644
--- a/include/clang/Basic/Builtins.def
+++ b/include/clang/Basic/Builtins.def
@@ -247,6 +247,7 @@ BUILTIN(__builtin_flt_rounds, "i", "nc")
BUILTIN(__builtin_setjmp, "iv**", "")
BUILTIN(__builtin_longjmp, "vv**i", "")
BUILTIN(__builtin_unwind_init, "v", "")
+BUILTIN(__builtin_eh_return_data_regno, "ii", "nc")
// GCC Object size checking builtins
BUILTIN(__builtin_object_size, "zv*i", "n")
diff --git a/include/clang/Basic/TargetInfo.h b/include/clang/Basic/TargetInfo.h
index 1f61e3fccc..8ce85cf6bb 100644
--- a/include/clang/Basic/TargetInfo.h
+++ b/include/clang/Basic/TargetInfo.h
@@ -384,10 +384,17 @@ public:
return RegParmMax;
}
- // isTLSSupported - Whether the target supports thread-local storage
+ /// isTLSSupported - Whether the target supports thread-local storage.
bool isTLSSupported() const {
return TLSSupported;
}
+
+ /// getEHDataRegisterNumber - Return the register number that
+ /// __builtin_eh_return_regno would return with the specified argument.
+ virtual int getEHDataRegisterNumber(unsigned RegNo) const {
+ return -1;
+ }
+
protected:
virtual uint64_t getPointerWidthV(unsigned AddrSpace) const {