config/aarch64/aarch64.c

603        global register variable associated with the stack pointer
811 	   pointer (e.g. in the memory), it has SImode; it may have
882 	   pointer (e.g. in the memory), it has SImode; it may have
1969   /* Otherwise, integral, floating-point and pointer types are padded downward:
2032      flag_omit_leaf_frame_pointer turns off the frame pointer by
2369 	|                               | <-- incoming stack pointer (aligned)
2399    Establish the stack frame by decreasing the stack pointer with a
2401    filled with the values of LR and previous frame pointer.  The
2432 	 the stack pointer to jump over the callee-allocated save area for
2498 	  /* Set up frame pointer to point to the location of the
2499 	     previous frame pointer on the stack.  */
2612      allocation, then restore the stack pointer from the frame
2613      pointer.  This is at most one insn and more efficient than using
2908   /* The this pointer is always in x0.  Note that this differs from
2909      Arm where the this pointer maybe bumped to r1 if r0 is required
2910      to return a pointer to an aggregate.  On AArch64 a result value
2911      pointer will be in x8.  */
3183      hard frame pointer, both of which are usually valid base registers.
4803   /* If we need a frame pointer, we must eliminate FRAME_POINTER_REGNUM into
4822       /* If we decided that we didn't need a leaf frame pointer but then used
4823 	 LR in the function, then we'll want a frame pointer after all, so
4824 	 prevent this elimination to ensure a frame pointer is used.  */
6477   /* Caller save and pointer regs are equivalent to GENERAL_REGS.  */
6920   /* The logic here is that if we are disabling all frame pointer generation
6921      then we do not need to disable leaf frame pointer generation as a
6922      separate operation.  But if we are *only* disabling leaf frame pointer
6929      second call as meaning that all frame pointer generation should be
10290 aarch64_move_pointer (rtx pointer, int amount)
10292   rtx next = plus_constant (Pmode, XEXP (pointer, 0), amount);
10294   return adjust_automodify_address (pointer, GET_MODE (pointer),
10302 aarch64_progress_pointer (rtx pointer)
10304   HOST_WIDE_INT amount = GET_MODE_SIZE (GET_MODE (pointer));
10306   return aarch64_move_pointer (pointer, amount);