3752e453f6
The Power8 Performance Monitor Unit (PMU) has a new feature called Event Based Branches (EBB). This commit adds tests of the kernel API for using EBBs. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
44 lines
667 B
ArmAsm
44 lines
667 B
ArmAsm
/*
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* Copyright 2014, Michael Ellerman, IBM Corp.
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* Licensed under GPLv2.
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*/
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#include <ppc-asm.h>
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.text
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FUNC_START(thirty_two_instruction_loop)
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cmpwi r3,0
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beqlr
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addi r4,r3,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1
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addi r4,r4,1 # 28 addi's
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subi r3,r3,1
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b FUNC_NAME(thirty_two_instruction_loop)
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FUNC_END(thirty_two_instruction_loop)
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