diff options
Diffstat (limited to 'lib/Target/ARM/ARMMachineFunctionInfo.h')
| -rw-r--r-- | lib/Target/ARM/ARMMachineFunctionInfo.h | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/lib/Target/ARM/ARMMachineFunctionInfo.h b/lib/Target/ARM/ARMMachineFunctionInfo.h index 88d96c0..d9ec4fd 100644 --- a/lib/Target/ARM/ARMMachineFunctionInfo.h +++ b/lib/Target/ARM/ARMMachineFunctionInfo.h @@ -36,9 +36,16 @@ class ARMFunctionInfo : public MachineFunctionInfo { /// 'isThumb'. bool hasThumb2; + /// StByValParamsPadding - For parameter that is split between + /// GPRs and memory; while recovering GPRs part, when + /// StackAlignment == 8, and GPRs-part-size mod 8 != 0, + /// we need to insert gap before parameter start address. It allows to + /// "attach" GPR-part to the part that was passed via stack. + unsigned StByValParamsPadding; + /// VarArgsRegSaveSize - Size of the register save area for vararg functions. /// - unsigned VarArgsRegSaveSize; + unsigned ArgRegsSaveSize; /// HasStackFrame - True if this function has a stack frame. Set by /// processFunctionBeforeCalleeSavedScan(). @@ -117,7 +124,7 @@ public: ARMFunctionInfo() : isThumb(false), hasThumb2(false), - VarArgsRegSaveSize(0), HasStackFrame(false), RestoreSPFromFP(false), + ArgRegsSaveSize(0), HasStackFrame(false), RestoreSPFromFP(false), LRSpilledForFarJump(false), FramePtrSpillOffset(0), GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0), GPRCS1Size(0), GPRCS2Size(0), DPRCSSize(0), @@ -129,7 +136,8 @@ public: explicit ARMFunctionInfo(MachineFunction &MF) : isThumb(MF.getTarget().getSubtarget<ARMSubtarget>().isThumb()), hasThumb2(MF.getTarget().getSubtarget<ARMSubtarget>().hasThumb2()), - VarArgsRegSaveSize(0), HasStackFrame(false), RestoreSPFromFP(false), + StByValParamsPadding(0), + ArgRegsSaveSize(0), HasStackFrame(false), RestoreSPFromFP(false), LRSpilledForFarJump(false), FramePtrSpillOffset(0), GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0), GPRCS1Size(0), GPRCS2Size(0), DPRCSSize(0), @@ -141,8 +149,15 @@ public: bool isThumb1OnlyFunction() const { return isThumb && !hasThumb2; } bool isThumb2Function() const { return isThumb && hasThumb2; } - unsigned getVarArgsRegSaveSize() const { return VarArgsRegSaveSize; } - void setVarArgsRegSaveSize(unsigned s) { VarArgsRegSaveSize = s; } + unsigned getStoredByValParamsPadding() const { return StByValParamsPadding; } + void setStoredByValParamsPadding(unsigned p) { StByValParamsPadding = p; } + + unsigned getArgRegsSaveSize(unsigned Align = 0) const { + if (!Align) + return ArgRegsSaveSize; + return (ArgRegsSaveSize + Align - 1) & ~(Align - 1); + } + void setArgRegsSaveSize(unsigned s) { ArgRegsSaveSize = s; } bool hasStackFrame() const { return HasStackFrame; } void setHasStackFrame(bool s) { HasStackFrame = s; } |