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linux/arch/xtensa/lib/lshrdi3.S
Max Filippov 338d915090 xtensa: add asm-prototypes.h
Move assembly source prototypes from xtensa_ksyms.c to
asm/asm-prototypes.h, move corresponding EXPORT_SYMBOLs to the assembly
sources and enable HAVE_ASM_MODVERSIONS for xtensa.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2023-06-12 19:48:57 -07:00

30 lines
474 B
ArmAsm

/* SPDX-License-Identifier: GPL-2.0-or-later WITH GCC-exception-2.0 */
#include <linux/linkage.h>
#include <asm/asmmacro.h>
#include <asm/core.h>
#ifdef __XTENSA_EB__
#define uh a2
#define ul a3
#else
#define uh a3
#define ul a2
#endif /* __XTENSA_EB__ */
ENTRY(__lshrdi3)
abi_entry_default
ssr a4
bgei a4, 32, .Lhigh_only
src ul, uh, ul
srl uh, uh
abi_ret_default
.Lhigh_only:
srl ul, uh
movi uh, 0
abi_ret_default
ENDPROC(__lshrdi3)
EXPORT_SYMBOL(__lshrdi3)