From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- arch/c6x/lib/llshr.S | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 arch/c6x/lib/llshr.S (limited to 'arch/c6x/lib/llshr.S') diff --git a/arch/c6x/lib/llshr.S b/arch/c6x/lib/llshr.S new file mode 100644 index 000000000..6bfaacd15 --- /dev/null +++ b/arch/c6x/lib/llshr.S @@ -0,0 +1,26 @@ +;; SPDX-License-Identifier: GPL-2.0-or-later +;; Copyright (C) 2010 Texas Instruments Incorporated +;; Contributed by Mark Salter . +;; + +;; uint64_t __c6xabi_llshr(uint64_t val, uint shift) + +#include + + .text +ENTRY(__c6xabi_llshr) + mv .l1x B4,A1 + [!A1] b .s2 B3 ; return if zero shift count + mvk .s1 32,A0 + sub .d1 A0,A1,A0 + cmplt .l1 0,A0,A2 + [A2] shl .s1 A5,A0,A0 + nop + [!A2] neg .l1 A0,A4 +|| [A2] shru .s1 A4,A1,A4 + [!A2] shr .s1 A5,A4,A4 +|| [A2] or .d1 A4,A0,A4 + [!A2] shr .s1 A5,0x1f,A5 + [A2] shr .s1 A5,A1,A5 + bnop .s2 B3,5 +ENDPROC(__c6xabi_llshr) -- cgit v1.2.3