Lines Matching +full:sub +full:- +full:frame

1 //===-- LanaiFrameLowering.cpp - Lanai Frame Information ------------------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
11 //===----------------------------------------------------------------------===//
26 // Determines the size of the frame and maximum call frame size.
36       LRI->hasStackRealignment(MF) ? MFI.getMaxAlign() : getStackAlign();  in determineFrameLayout()
38   // Get the maximum call frame size of all the calls.  in determineFrameLayout()
46   // Update maximum call frame size.  in determineFrameLayout()
49   // Include call frame size in total.  in determineFrameLayout()
53   // Make sure the frame is aligned.  in determineFrameLayout()
56   // Update frame info.  in determineFrameLayout()
62 // maximum call frame size as the immediate.
85 //   st %fp,-4[*%sp]        !push old FP
87 //   sub %sp,0x4,%sp        !allocate stack space (as needed)
90   assert(&MF.front() == &MBB && "Shrink-wrapping not yet supported");  in emitPrologue()
101   // Determine the correct frame layout  in emitPrologue()
109   // st %fp,-4[*%sp]  in emitPrologue()
113       .addImm(-4)  in emitPrologue()
125   // sub %sp,StackSize,%sp  in emitPrologue()
146 // It should use the frame pointer only.  This is mandatory because
154 // preserved registers via offsets from the frame pointer value.
156 // Note also that when the current frame is being "popped" (by adjusting
159 // the current value of the frame pointer.  We can't just add what we
160 // believe to be the (static) frame size to the stack pointer because
168 //      ld -4[%fp],%pc  # modify %pc (two delay slots)
169 // as the return address is in the stack frame and mov to pc is allowed.
172 //      ld -8[%fp],%fp  # restore the caller's frame pointer
180   DebugLoc DL = MBBI->getDebugLoc();  in emitEpilogue()
182   // Restore the stack pointer using the callee's frame pointer value.  in emitEpilogue()
187   // Restore the frame pointer from the stack.  in emitEpilogue()
190       .addImm(-8)  in emitEpilogue()
202   int Offset = -4;  in determineCalleeSaves()
206   Offset -= 4;  in determineCalleeSaves()
210   Offset -= 4;  in determineCalleeSaves()
212   if (LRI->hasBasePointer(MF)) {  in determineCalleeSaves()
214     SavedRegs.reset(LRI->getBaseRegister());  in determineCalleeSaves()