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| author | Dale Johannesen <dalej@apple.com> | 2010-02-16 21:53:27 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2010-02-16 21:53:27 +0000 |
| commit | 1b967bf0e41f573e97412c65779b9300ba36a25e (patch) | |
| tree | 44bec6194da4375eb7fd2ba1271c506ae7ce33d4 /llvm | |
| parent | 7585580ccc1ca3ec70ab828743000b6e4c2365a6 (diff) | |
| download | bcm5719-llvm-1b967bf0e41f573e97412c65779b9300ba36a25e.tar.gz bcm5719-llvm-1b967bf0e41f573e97412c65779b9300ba36a25e.zip | |
Really reserve R2 on PPC Darwin. PR 6314.
llvm-svn: 96399
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCRegisterInfo.td | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCRegisterInfo.td b/llvm/lib/Target/PowerPC/PPCRegisterInfo.td index 049e893e82e..1cb7340c9c2 100644 --- a/llvm/lib/Target/PowerPC/PPCRegisterInfo.td +++ b/llvm/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 { |
