68 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0-only */
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| /*
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|  * Copyright (c) 2021, The Linux Foundation. All rights reserved.
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|  */
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| 
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| #include <linux/linkage.h>
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| 
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| SYM_FUNC_START(__hexagon_divsi3)
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|         {
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|                 p0 = cmp.gt(r0,#-1)
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|                 p1 = cmp.gt(r1,#-1)
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|                 r3:2 = vabsw(r1:0)
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|         }
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|         {
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|                 p3 = xor(p0,p1)
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|                 r4 = sub(r2,r3)
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|                 r6 = cl0(r2)
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|                 p0 = cmp.gtu(r3,r2)
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|         }
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|         {
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|                 r0 = mux(p3,#-1,#1)
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|                 r7 = cl0(r3)
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|                 p1 = cmp.gtu(r3,r4)
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|         }
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|         {
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|                 r0 = mux(p0,#0,r0)
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|                 p0 = or(p0,p1)
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|                 if (p0.new) jumpr:nt r31
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|                 r6 = sub(r7,r6)
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|         }
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|         {
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|                 r7 = r6
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|                 r5:4 = combine(#1,r3)
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|                 r6 = add(#1,lsr(r6,#1))
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|                 p0 = cmp.gtu(r6,#4)
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|         }
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|         {
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|                 r5:4 = vaslw(r5:4,r7)
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|                 if (!p0) r6 = #3
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|         }
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|         {
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|                 loop0(1f,r6)
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|                 r7:6 = vlsrw(r5:4,#1)
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|                 r1:0 = #0
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|         }
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|         .falign
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| 1:
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|         {
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|                 r5:4 = vlsrw(r5:4,#2)
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|                 if (!p0.new) r0 = add(r0,r5)
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|                 if (!p0.new) r2 = sub(r2,r4)
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|                 p0 = cmp.gtu(r4,r2)
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|         }
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|         {
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|                 r7:6 = vlsrw(r7:6,#2)
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|                 if (!p0.new) r0 = add(r0,r7)
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|                 if (!p0.new) r2 = sub(r2,r6)
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|                 p0 = cmp.gtu(r6,r2)
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|         }:endloop0
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|         {
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|                 if (!p0) r0 = add(r0,r7)
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|         }
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|         {
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|                 if (p3) r0 = sub(r1,r0)
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|                 jumpr r31
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|         }
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| SYM_FUNC_END(__hexagon_divsi3)
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