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author | Dale Johannesen <dalej@apple.com> | 2010-02-16 21:53:27 +0000 |
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committer | Dale Johannesen <dalej@apple.com> | 2010-02-16 21:53:27 +0000 |
commit | 5994fd0f4d6bbe6955ac07b39e3befb4f5834134 (patch) | |
tree | 4b60c68bd33a8491c01e4113ef58280911aed91f | |
parent | 3d821aaae238534132df3982d703e758e91472cf (diff) | |
download | external_llvm-5994fd0f4d6bbe6955ac07b39e3befb4f5834134.zip external_llvm-5994fd0f4d6bbe6955ac07b39e3befb4f5834134.tar.gz external_llvm-5994fd0f4d6bbe6955ac07b39e3befb4f5834134.tar.bz2 |
Really reserve R2 on PPC Darwin. PR 6314.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96399 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Target/PowerPC/PPCRegisterInfo.td | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.td b/lib/Target/PowerPC/PPCRegisterInfo.td index 049e893..1cb7340 100644 --- a/lib/Target/PowerPC/PPCRegisterInfo.td +++ b/lib/Target/PowerPC/PPCRegisterInfo.td @@ -287,10 +287,8 @@ def GPRC : RegisterClass<"PPC", [i32], 32, GPRCClass::allocation_order_begin(const MachineFunction &MF) const { // 32-bit SVR4 ABI: r2 is reserved for the OS. // 64-bit SVR4 ABI: r2 is reserved for the TOC pointer. - if (!MF.getTarget().getSubtarget<PPCSubtarget>().isDarwin()) - return begin()+1; - - return begin(); + // Darwin: R2 is reserved for CR save/restore sequence. + return begin()+1; } GPRCClass::iterator GPRCClass::allocation_order_end(const MachineFunction &MF) const { @@ -325,10 +323,8 @@ def G8RC : RegisterClass<"PPC", [i64], 64, G8RCClass::iterator G8RCClass::allocation_order_begin(const MachineFunction &MF) const { // 64-bit SVR4 ABI: r2 is reserved for the TOC pointer. - if (!MF.getTarget().getSubtarget<PPCSubtarget>().isDarwin()) - return begin()+1; - - return begin(); + // Darwin: r2 is reserved for CR save/restore sequence. + return begin()+1; } G8RCClass::iterator G8RCClass::allocation_order_end(const MachineFunction &MF) const { |