172 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
			
		
		
	
	
			172 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
| /* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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|    2004, 2005, 2006
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|    Free Software Foundation, Inc.
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| 
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|  * SPDX-License-Identifier:	GPL-2.0+
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|  */
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| 
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| !! libgcc routines for the Renesas / SuperH SH CPUs.
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| !! Contributed by Steve Chamberlain.
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| !! sac@cygnus.com
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| 
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| !! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
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| !! recoded in assembly by Toshiyasu Morita
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| !! tm@netcom.com
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| 
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| /* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
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|    ELF local label prefixes by J"orn Rennecke
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|    amylaar@cygnus.com  */
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| 
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| !
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| ! GLOBAL(ashlsi3)
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| !
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| ! Entry:
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| !
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| ! r4: Value to shift
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| ! r5: Shifts
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| !
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| ! Exit:
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| !
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| ! r0: Result
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| !
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| ! Destroys:
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| !
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| ! (none)
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| !
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| 	.global	__ashlsi3
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| 	.align	2
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| __ashlsi3:
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| 	mov	#31,r0
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| 	and	r0,r5
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| 	mova	__ashlsi3_table,r0
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| 	mov.b	@(r0,r5),r5
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| #ifdef __sh1__
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| 	add	r5,r0
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| 	jmp	@r0
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| #else
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| 	braf	r5
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| #endif
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| 	mov	r4,r0
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| 
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| 	.align	2
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| __ashlsi3_table:
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| 	.byte		__ashlsi3_0-__ashlsi3_table
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| 	.byte		__ashlsi3_1-__ashlsi3_table
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| 	.byte		__ashlsi3_2-__ashlsi3_table
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| 	.byte		__ashlsi3_3-__ashlsi3_table
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| 	.byte		__ashlsi3_4-__ashlsi3_table
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| 	.byte		__ashlsi3_5-__ashlsi3_table
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| 	.byte		__ashlsi3_6-__ashlsi3_table
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| 	.byte		__ashlsi3_7-__ashlsi3_table
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| 	.byte		__ashlsi3_8-__ashlsi3_table
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| 	.byte		__ashlsi3_9-__ashlsi3_table
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| 	.byte		__ashlsi3_10-__ashlsi3_table
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| 	.byte		__ashlsi3_11-__ashlsi3_table
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| 	.byte		__ashlsi3_12-__ashlsi3_table
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| 	.byte		__ashlsi3_13-__ashlsi3_table
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| 	.byte		__ashlsi3_14-__ashlsi3_table
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| 	.byte		__ashlsi3_15-__ashlsi3_table
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| 	.byte		__ashlsi3_16-__ashlsi3_table
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| 	.byte		__ashlsi3_17-__ashlsi3_table
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| 	.byte		__ashlsi3_18-__ashlsi3_table
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| 	.byte		__ashlsi3_19-__ashlsi3_table
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| 	.byte		__ashlsi3_20-__ashlsi3_table
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| 	.byte		__ashlsi3_21-__ashlsi3_table
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| 	.byte		__ashlsi3_22-__ashlsi3_table
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| 	.byte		__ashlsi3_23-__ashlsi3_table
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| 	.byte		__ashlsi3_24-__ashlsi3_table
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| 	.byte		__ashlsi3_25-__ashlsi3_table
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| 	.byte		__ashlsi3_26-__ashlsi3_table
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| 	.byte		__ashlsi3_27-__ashlsi3_table
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| 	.byte		__ashlsi3_28-__ashlsi3_table
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| 	.byte		__ashlsi3_29-__ashlsi3_table
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| 	.byte		__ashlsi3_30-__ashlsi3_table
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| 	.byte		__ashlsi3_31-__ashlsi3_table
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| 
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| __ashlsi3_6:
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| 	shll2	r0
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| __ashlsi3_4:
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| 	shll2	r0
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| __ashlsi3_2:
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| 	rts
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| 	shll2	r0
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| 
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| __ashlsi3_7:
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| 	shll2	r0
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| __ashlsi3_5:
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| 	shll2	r0
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| __ashlsi3_3:
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| 	shll2	r0
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| __ashlsi3_1:
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| 	rts
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| 	shll	r0
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| 
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| __ashlsi3_14:
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| 	shll2	r0
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| __ashlsi3_12:
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| 	shll2	r0
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| __ashlsi3_10:
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| 	shll2	r0
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| __ashlsi3_8:
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| 	rts
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| 	shll8	r0
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| 
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| __ashlsi3_15:
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| 	shll2	r0
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| __ashlsi3_13:
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| 	shll2	r0
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| __ashlsi3_11:
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| 	shll2	r0
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| __ashlsi3_9:
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| 	shll8	r0
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| 	rts
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| 	shll	r0
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| 
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| __ashlsi3_22:
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| 	shll2	r0
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| __ashlsi3_20:
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| 	shll2	r0
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| __ashlsi3_18:
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| 	shll2	r0
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| __ashlsi3_16:
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| 	rts
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| 	shll16	r0
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| 
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| __ashlsi3_23:
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| 	shll2	r0
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| __ashlsi3_21:
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| 	shll2	r0
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| __ashlsi3_19:
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| 	shll2	r0
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| __ashlsi3_17:
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| 	shll16	r0
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| 	rts
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| 	shll	r0
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| 
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| __ashlsi3_30:
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| 	shll2	r0
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| __ashlsi3_28:
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| 	shll2	r0
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| __ashlsi3_26:
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| 	shll2	r0
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| __ashlsi3_24:
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| 	shll16	r0
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| 	rts
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| 	shll8	r0
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| 
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| __ashlsi3_31:
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| 	shll2	r0
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| __ashlsi3_29:
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| 	shll2	r0
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| __ashlsi3_27:
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| 	shll2	r0
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| __ashlsi3_25:
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| 	shll16	r0
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| 	shll8	r0
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| 	rts
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| 	shll	r0
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| 
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| __ashlsi3_0:
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| 	rts
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| 	nop
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