+++ /dev/null
-! SPDX-License-Identifier: GPL-2.0
-! Copyright (C) 2012 by Imagination Technologies Ltd.
-!
-! 64-bit arithmetic shift right routine.
-!
-
- .text
- .global ___ashrdi3
- .type ___ashrdi3,function
-
-___ashrdi3:
- MOV D0Re0,D0Ar2
- MOV D1Re0,D1Ar1
- CMP D1Ar3,#0 ! COUNT == 0
- MOVEQ PC,D1RtP ! Yes, return
-
- MOV D0Ar4,D1Ar3
- SUBS D1Ar3,D1Ar3,#32 ! N = COUNT - 32
- BGE $L20
-
-!! Shift < 32
- NEG D1Ar3,D1Ar3 ! N = - N
- LSR D0Re0,D0Re0,D0Ar4 ! LO = LO >> COUNT
- LSL D0Ar6,D1Re0,D1Ar3 ! TMP= HI << -(COUNT - 32)
- OR D0Re0,D0Re0,D0Ar6 ! LO = LO | TMP
- SWAP D1Ar3,D0Ar4
- ASR D1Re0,D1Re0,D1Ar3 ! HI = HI >> COUNT
- MOV PC,D1RtP
-$L20:
-!! Shift >= 32
- ASR D0Re0,D1Re0,D1Ar3 ! LO = HI >> N
- ASR D1Re0,D1Re0,#31 ! HI = HI >> 31
- MOV PC,D1RtP
- .size ___ashrdi3,.-___ashrdi3