From ed0ecdb7ff1dbb836a94e30af1794fbced1a9f26 Mon Sep 17 00:00:00 2001 From: Dale Johannesen Date: Mon, 23 Apr 2007 20:07:25 +0000 Subject: add Align field, and use when generating function alignment llvm-svn: 36371 --- llvm/lib/Target/ARM/ARMMachineFunctionInfo.h | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'llvm/lib/Target/ARM/ARMMachineFunctionInfo.h') diff --git a/llvm/lib/Target/ARM/ARMMachineFunctionInfo.h b/llvm/lib/Target/ARM/ARMMachineFunctionInfo.h index f943cb75657..665c5e39292 100644 --- a/llvm/lib/Target/ARM/ARMMachineFunctionInfo.h +++ b/llvm/lib/Target/ARM/ARMMachineFunctionInfo.h @@ -27,9 +27,14 @@ namespace llvm { class ARMFunctionInfo : public MachineFunctionInfo { /// isThumb - True if this function is compiled under Thumb mode. - /// + /// Used to initialized Align, so must precede it. bool isThumb; + /// Align - required alignment. ARM functions and Thumb functions with + /// constant pools require 4-byte alignment; other Thumb functions + /// require only 2-byte alignment. + unsigned Align; + /// VarArgsRegSaveSize - Size of the register save area for vararg functions. /// unsigned VarArgsRegSaveSize; @@ -84,7 +89,8 @@ class ARMFunctionInfo : public MachineFunctionInfo { public: ARMFunctionInfo() : - isThumb(false), + isThumb(false), + Align(2U), VarArgsRegSaveSize(0), HasStackFrame(false), LRSpilledForFarJump(false), R3IsLiveIn(false), FramePtrSpillOffset(0), GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0), @@ -94,6 +100,7 @@ public: ARMFunctionInfo(MachineFunction &MF) : isThumb(MF.getTarget().getSubtarget().isThumb()), + Align(isThumb ? 1U : 2U), VarArgsRegSaveSize(0), HasStackFrame(false), LRSpilledForFarJump(false), R3IsLiveIn(false), FramePtrSpillOffset(0), GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0), @@ -104,6 +111,9 @@ public: bool isThumbFunction() const { return isThumb; } + unsigned getAlign() const { return Align; } + void setAlign(unsigned a) { Align = a; } + unsigned getVarArgsRegSaveSize() const { return VarArgsRegSaveSize; } void setVarArgsRegSaveSize(unsigned s) { VarArgsRegSaveSize = s; } -- cgit v1.2.3