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26 lines
614 B
26 lines
614 B
;; 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 <[email protected]>. |
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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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