JustOS/linux-6.13/tools/testing/selftests/powerpc/pmu/loop.S
justuser 02e73b8cd9 up
2025-01-24 17:00:19 +03:00

79 lines
1.3 KiB
ArmAsm

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2013, Michael Ellerman, IBM Corp.
*/
#include <ppc-asm.h>
.text
FUNC_START(thirty_two_instruction_loop)
cmpdi r3,0
beqlr
addi r4,r3,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1
addi r4,r4,1 # 28 addi's
subi r3,r3,1
b FUNC_NAME(thirty_two_instruction_loop)
FUNC_END(thirty_two_instruction_loop)
FUNC_START(thirty_two_instruction_loop_with_ll_sc)
cmpdi r3,0
beqlr
addi r5,r5,1
addi r5,r5,1
addi r5,r5,1 # 5
addi r5,r5,1
addi r5,r5,1
addi r5,r5,1
addi r5,r5,1
1: ldarx r6,0,r4 # 10
addi r5,r5,1
addi r5,r5,1
addi r5,r5,1
addi r5,r5,1
addi r5,r5,1 # 15
addi r5,r5,1
addi r5,r5,1
stdcx. r6,0,r4
bne- 1b
addi r5,r5,1 # 20
addi r5,r5,1
addi r5,r5,1
addi r5,r5,1
addi r5,r5,1
addi r5,r5,1 # 25
addi r5,r5,1
addi r5,r5,1
addi r5,r5,1
addi r5,r5,1
addi r5,r5,1 # 30
subi r3,r3,1
b FUNC_NAME(thirty_two_instruction_loop_with_ll_sc)
FUNC_END(thirty_two_instruction_loop_with_ll_sc)