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Diffstat (limited to 'arch/metag/lib/ashrdi3.S')
| -rw-r--r-- | arch/metag/lib/ashrdi3.S | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/arch/metag/lib/ashrdi3.S b/arch/metag/lib/ashrdi3.S deleted file mode 100644 index 0c838fd9da85..000000000000 --- a/arch/metag/lib/ashrdi3.S +++ /dev/null @@ -1,34 +0,0 @@ -! 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 |