27 lines
614 B
ArmAsm
27 lines
614 B
ArmAsm
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;; SPDX-License-Identifier: GPL-2.0-or-later
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;; Copyright (C) 2010 Texas Instruments Incorporated
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;; Contributed by Mark Salter <msalter@redhat.com>.
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;;
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;; uint64_t __c6xabi_llshr(uint64_t val, uint shift)
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#include <linux/linkage.h>
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.text
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ENTRY(__c6xabi_llshr)
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mv .l1x B4,A1
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[!A1] b .s2 B3 ; return if zero shift count
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mvk .s1 32,A0
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sub .d1 A0,A1,A0
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cmplt .l1 0,A0,A2
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[A2] shl .s1 A5,A0,A0
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nop
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[!A2] neg .l1 A0,A4
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|| [A2] shru .s1 A4,A1,A4
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[!A2] shr .s1 A5,A4,A4
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|| [A2] or .d1 A4,A0,A4
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[!A2] shr .s1 A5,0x1f,A5
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[A2] shr .s1 A5,A1,A5
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bnop .s2 B3,5
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ENDPROC(__c6xabi_llshr)
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