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| ;------------------------------------------------------------------------------
| ;
| ; Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
| ; SPDX-License-Identifier: BSD-2-Clause-Patent
| ;
| ; Module Name:
| ;
| ; MathRShiftU64.nasm
| ;
| ; Abstract:
| ;
| ; 64-bit Math Worker Function.
| ; Shifts a 64-bit unsigned value right by a certain number of bits.
| ;
| ;------------------------------------------------------------------------------
|
| SECTION .text
|
| ;------------------------------------------------------------------------------
| ;
| ; void __cdecl __ashrdi3 (void)
| ;
| ;------------------------------------------------------------------------------
| global ASM_PFX(__ashrdi3)
| ASM_PFX(__ashrdi3):
| cmp cl,0x40
| jnc _Exit
| cmp cl,0x20
| jnc More32
| shrd eax,edx,cl
| shr edx,cl
| ret
| More32:
| mov eax,edx
| xor edx,edx
| and cl,0x1f
| shr eax,cl
| ret
| _Exit:
| xor eax,eax
| xor edx,edx
| ret
|
|
|
