416 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
			
		
		
	
	
			416 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
| // RUN: llvm-mc -triple=aarch64-none-linux-gnu -mattr=+crypto -mattr=+neon -show-encoding < %s | FileCheck %s
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| 
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| // Check that the assembler can handle the documented syntax for AArch64
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| 
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| //------------------------------------------------------------------------------
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| // Instructions with 3 different vector data types
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| //------------------------------------------------------------------------------
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| 
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| //------------------------------------------------------------------------------
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| // Long
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| //------------------------------------------------------------------------------
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| 
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| //------------------------------------------------------------------------------
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| // Long - Variant 1
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| //------------------------------------------------------------------------------
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| 
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|         saddl v0.8h, v1.8b, v2.8b
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|         saddl v0.4s, v1.4h, v2.4h
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|         saddl v0.2d, v1.2s, v2.2s
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| 
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| // CHECK: saddl	v0.8h, v1.8b, v2.8b     // encoding: [0x20,0x00,0x22,0x0e]
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| // CHECK: saddl	v0.4s, v1.4h, v2.4h     // encoding: [0x20,0x00,0x62,0x0e]
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| // CHECK: saddl	v0.2d, v1.2s, v2.2s     // encoding: [0x20,0x00,0xa2,0x0e]
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| 
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|         saddl2 v0.4s, v1.8h, v2.8h
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|         saddl2 v0.8h, v1.16b, v2.16b
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|         saddl2 v0.2d, v1.4s, v2.4s
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| 
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| // CHECK: saddl2	v0.4s, v1.8h, v2.8h     // encoding: [0x20,0x00,0x62,0x4e]
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| // CHECK: saddl2	v0.8h, v1.16b, v2.16b   // encoding: [0x20,0x00,0x22,0x4e]
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| // CHECK: saddl2	v0.2d, v1.4s, v2.4s     // encoding: [0x20,0x00,0xa2,0x4e]
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| 
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|         uaddl v0.8h, v1.8b, v2.8b
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|         uaddl v0.4s, v1.4h, v2.4h
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|         uaddl v0.2d, v1.2s, v2.2s
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| 
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| // CHECK: uaddl	v0.8h, v1.8b, v2.8b     // encoding: [0x20,0x00,0x22,0x2e]
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| // CHECK: uaddl	v0.4s, v1.4h, v2.4h     // encoding: [0x20,0x00,0x62,0x2e]
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| // CHECK: uaddl	v0.2d, v1.2s, v2.2s     // encoding: [0x20,0x00,0xa2,0x2e]
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| 
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|         uaddl2 v0.8h, v1.16b, v2.16b
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|         uaddl2 v0.4s, v1.8h, v2.8h
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|         uaddl2 v0.2d, v1.4s, v2.4s
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| 
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| // CHECK: uaddl2	v0.8h, v1.16b, v2.16b   // encoding: [0x20,0x00,0x22,0x6e]
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| // CHECK: uaddl2	v0.4s, v1.8h, v2.8h     // encoding: [0x20,0x00,0x62,0x6e]
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| // CHECK: uaddl2	v0.2d, v1.4s, v2.4s     // encoding: [0x20,0x00,0xa2,0x6e]
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| 
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|         ssubl v0.8h, v1.8b, v2.8b
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|         ssubl v0.4s, v1.4h, v2.4h
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|         ssubl v0.2d, v1.2s, v2.2s
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| 
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| // CHECK: ssubl	v0.8h, v1.8b, v2.8b     // encoding: [0x20,0x20,0x22,0x0e]
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| // CHECK: ssubl	v0.4s, v1.4h, v2.4h     // encoding: [0x20,0x20,0x62,0x0e]
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| // CHECK: ssubl	v0.2d, v1.2s, v2.2s     // encoding: [0x20,0x20,0xa2,0x0e]
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| 
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|         ssubl2 v0.8h, v1.16b, v2.16b
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|         ssubl2 v0.4s, v1.8h, v2.8h
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|         ssubl2 v0.2d, v1.4s, v2.4s
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| 
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| // CHECK: ssubl2	v0.8h, v1.16b, v2.16b   // encoding: [0x20,0x20,0x22,0x4e]
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| // CHECK: ssubl2	v0.4s, v1.8h, v2.8h     // encoding: [0x20,0x20,0x62,0x4e]
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| // CHECK: ssubl2	v0.2d, v1.4s, v2.4s     // encoding: [0x20,0x20,0xa2,0x4e]
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| 
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|         usubl v0.8h, v1.8b, v2.8b
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|         usubl v0.4s, v1.4h, v2.4h
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|         usubl v0.2d, v1.2s, v2.2s
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| 
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| // CHECK: usubl	v0.8h, v1.8b, v2.8b     // encoding: [0x20,0x20,0x22,0x2e]
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| // CHECK: usubl	v0.4s, v1.4h, v2.4h     // encoding: [0x20,0x20,0x62,0x2e]
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| // CHECK: usubl	v0.2d, v1.2s, v2.2s     // encoding: [0x20,0x20,0xa2,0x2e]
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| 
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|         usubl2 v0.8h, v1.16b, v2.16b
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|         usubl2 v0.4s, v1.8h, v2.8h
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|         usubl2 v0.2d, v1.4s, v2.4s
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| 
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| // CHECK: usubl2	v0.8h, v1.16b, v2.16b   // encoding: [0x20,0x20,0x22,0x6e]
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| // CHECK: usubl2	v0.4s, v1.8h, v2.8h     // encoding: [0x20,0x20,0x62,0x6e]
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| // CHECK: usubl2	v0.2d, v1.4s, v2.4s     // encoding: [0x20,0x20,0xa2,0x6e]
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| 
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|         sabal v0.8h, v1.8b, v2.8b
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|         sabal v0.4s, v1.4h, v2.4h
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|         sabal v0.2d, v1.2s, v2.2s
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| 
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| // CHECK: sabal	v0.8h, v1.8b, v2.8b     // encoding: [0x20,0x50,0x22,0x0e]
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| // CHECK: sabal	v0.4s, v1.4h, v2.4h     // encoding: [0x20,0x50,0x62,0x0e]
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| // CHECK: sabal	v0.2d, v1.2s, v2.2s     // encoding: [0x20,0x50,0xa2,0x0e]
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| 
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|         sabal2 v0.8h, v1.16b, v2.16b
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|         sabal2 v0.4s, v1.8h, v2.8h
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|         sabal2 v0.2d, v1.4s, v2.4s
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| 
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| // CHECK: sabal2	v0.8h, v1.16b, v2.16b   // encoding: [0x20,0x50,0x22,0x4e]
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| // CHECK: sabal2	v0.4s, v1.8h, v2.8h     // encoding: [0x20,0x50,0x62,0x4e]
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| // CHECK: sabal2	v0.2d, v1.4s, v2.4s     // encoding: [0x20,0x50,0xa2,0x4e]
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| 
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|         uabal v0.8h, v1.8b, v2.8b
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|         uabal v0.4s, v1.4h, v2.4h
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|         uabal v0.2d, v1.2s, v2.2s
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| 
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| // CHECK: uabal	v0.8h, v1.8b, v2.8b     // encoding: [0x20,0x50,0x22,0x2e]
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| // CHECK: uabal	v0.4s, v1.4h, v2.4h     // encoding: [0x20,0x50,0x62,0x2e]
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| // CHECK: uabal	v0.2d, v1.2s, v2.2s     // encoding: [0x20,0x50,0xa2,0x2e]
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| 
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|         uabal2 v0.8h, v1.16b, v2.16b
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|         uabal2 v0.4s, v1.8h, v2.8h
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|         uabal2 v0.2d, v1.4s, v2.4s
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| 
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| // CHECK: uabal2	v0.8h, v1.16b, v2.16b   // encoding: [0x20,0x50,0x22,0x6e]
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| // CHECK: uabal2	v0.4s, v1.8h, v2.8h     // encoding: [0x20,0x50,0x62,0x6e]
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| // CHECK: uabal2	v0.2d, v1.4s, v2.4s     // encoding: [0x20,0x50,0xa2,0x6e]
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| 
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|         sabdl v0.8h, v1.8b, v2.8b
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|         sabdl v0.4s, v1.4h, v2.4h
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|         sabdl v0.2d, v1.2s, v2.2s
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| 
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| // CHECK: sabdl	v0.8h, v1.8b, v2.8b     // encoding: [0x20,0x70,0x22,0x0e]
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| // CHECK: sabdl	v0.4s, v1.4h, v2.4h     // encoding: [0x20,0x70,0x62,0x0e]
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| // CHECK: sabdl	v0.2d, v1.2s, v2.2s     // encoding: [0x20,0x70,0xa2,0x0e]
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| 
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|         sabdl2 v0.8h, v1.16b, v2.16b
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|         sabdl2 v0.4s, v1.8h, v2.8h
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|         sabdl2 v0.2d, v1.4s, v2.4s
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| 
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| // CHECK: sabdl2	v0.8h, v1.16b, v2.16b   // encoding: [0x20,0x70,0x22,0x4e]
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| // CHECK: sabdl2	v0.4s, v1.8h, v2.8h     // encoding: [0x20,0x70,0x62,0x4e]
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| // CHECK: sabdl2	v0.2d, v1.4s, v2.4s     // encoding: [0x20,0x70,0xa2,0x4e]
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| 
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|         uabdl v0.8h, v1.8b, v2.8b
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|         uabdl v0.4s, v1.4h, v2.4h
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|         uabdl v0.2d, v1.2s, v2.2s
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| 
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| // CHECK: uabdl	v0.8h, v1.8b, v2.8b     // encoding: [0x20,0x70,0x22,0x2e]
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| // CHECK: uabdl	v0.4s, v1.4h, v2.4h     // encoding: [0x20,0x70,0x62,0x2e]
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| // CHECK: uabdl	v0.2d, v1.2s, v2.2s     // encoding: [0x20,0x70,0xa2,0x2e]
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| 
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|         uabdl2 v0.8h, v1.16b, v2.16b
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|         uabdl2 v0.4s, v1.8h, v2.8h
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|         uabdl2 v0.2d, v1.4s, v2.4s
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| 
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| // CHECK: uabdl2	v0.8h, v1.16b, v2.16b   // encoding: [0x20,0x70,0x22,0x6e]
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| // CHECK: uabdl2	v0.4s, v1.8h, v2.8h     // encoding: [0x20,0x70,0x62,0x6e]
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| // CHECK: uabdl2	v0.2d, v1.4s, v2.4s     // encoding: [0x20,0x70,0xa2,0x6e]
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| 
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|         smlal v0.8h, v1.8b, v2.8b
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|         smlal v0.4s, v1.4h, v2.4h
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|         smlal v0.2d, v1.2s, v2.2s
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| 
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| // CHECK: smlal	v0.8h, v1.8b, v2.8b     // encoding: [0x20,0x80,0x22,0x0e]
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| // CHECK: smlal	v0.4s, v1.4h, v2.4h     // encoding: [0x20,0x80,0x62,0x0e]
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| // CHECK: smlal	v0.2d, v1.2s, v2.2s     // encoding: [0x20,0x80,0xa2,0x0e]
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| 
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|         smlal2 v0.8h, v1.16b, v2.16b
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|         smlal2 v0.4s, v1.8h, v2.8h
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|         smlal2 v0.2d, v1.4s, v2.4s
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| 
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| // CHECK: smlal2	v0.8h, v1.16b, v2.16b   // encoding: [0x20,0x80,0x22,0x4e]
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| // CHECK: smlal2	v0.4s, v1.8h, v2.8h     // encoding: [0x20,0x80,0x62,0x4e]
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| // CHECK: smlal2	v0.2d, v1.4s, v2.4s     // encoding: [0x20,0x80,0xa2,0x4e]
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| 
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|         umlal v0.8h, v1.8b, v2.8b
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|         umlal v0.4s, v1.4h, v2.4h
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|         umlal v0.2d, v1.2s, v2.2s
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| 
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| // CHECK: umlal	v0.8h, v1.8b, v2.8b     // encoding: [0x20,0x80,0x22,0x2e]
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| // CHECK: umlal	v0.4s, v1.4h, v2.4h     // encoding: [0x20,0x80,0x62,0x2e]
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| // CHECK: umlal	v0.2d, v1.2s, v2.2s     // encoding: [0x20,0x80,0xa2,0x2e]
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| 
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|         umlal2 v0.8h, v1.16b, v2.16b
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|         umlal2 v0.4s, v1.8h, v2.8h
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|         umlal2 v0.2d, v1.4s, v2.4s
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| 
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| // CHECK: umlal2	v0.8h, v1.16b, v2.16b   // encoding: [0x20,0x80,0x22,0x6e]
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| // CHECK: umlal2	v0.4s, v1.8h, v2.8h     // encoding: [0x20,0x80,0x62,0x6e]
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| // CHECK: umlal2	v0.2d, v1.4s, v2.4s     // encoding: [0x20,0x80,0xa2,0x6e]
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| 
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|         smlsl v0.8h, v1.8b, v2.8b
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|         smlsl v0.4s, v1.4h, v2.4h
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|         smlsl v0.2d, v1.2s, v2.2s
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| 
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| // CHECK: smlsl	v0.8h, v1.8b, v2.8b     // encoding: [0x20,0xa0,0x22,0x0e]
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| // CHECK: smlsl	v0.4s, v1.4h, v2.4h     // encoding: [0x20,0xa0,0x62,0x0e]
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| // CHECK: smlsl	v0.2d, v1.2s, v2.2s     // encoding: [0x20,0xa0,0xa2,0x0e]
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| 
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|         smlsl2 v0.8h, v1.16b, v2.16b
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|         smlsl2 v0.4s, v1.8h, v2.8h
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|         smlsl2 v0.2d, v1.4s, v2.4s
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| 
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| // CHECK: smlsl2	v0.8h, v1.16b, v2.16b   // encoding: [0x20,0xa0,0x22,0x4e]
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| // CHECK: smlsl2	v0.4s, v1.8h, v2.8h     // encoding: [0x20,0xa0,0x62,0x4e]
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| // CHECK: smlsl2	v0.2d, v1.4s, v2.4s     // encoding: [0x20,0xa0,0xa2,0x4e]
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| 
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|         umlsl v0.8h, v1.8b, v2.8b
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|         umlsl v0.4s, v1.4h, v2.4h
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|         umlsl v0.2d, v1.2s, v2.2s
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| 
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| // CHECK: umlsl	v0.8h, v1.8b, v2.8b     // encoding: [0x20,0xa0,0x22,0x2e]
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| // CHECK: umlsl	v0.4s, v1.4h, v2.4h     // encoding: [0x20,0xa0,0x62,0x2e]
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| // CHECK: umlsl	v0.2d, v1.2s, v2.2s     // encoding: [0x20,0xa0,0xa2,0x2e]
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| 
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|         umlsl2 v0.8h, v1.16b, v2.16b
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|         umlsl2 v0.4s, v1.8h, v2.8h
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|         umlsl2 v0.2d, v1.4s, v2.4s
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| 
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| // CHECK: umlsl2	v0.8h, v1.16b, v2.16b   // encoding: [0x20,0xa0,0x22,0x6e]
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| // CHECK: umlsl2	v0.4s, v1.8h, v2.8h     // encoding: [0x20,0xa0,0x62,0x6e]
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| // CHECK: umlsl2	v0.2d, v1.4s, v2.4s     // encoding: [0x20,0xa0,0xa2,0x6e]
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| 
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|         smull v0.8h, v1.8b, v2.8b
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|         smull v0.4s, v1.4h, v2.4h
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|         smull v0.2d, v1.2s, v2.2s
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| 
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| // CHECK: smull	v0.8h, v1.8b, v2.8b     // encoding: [0x20,0xc0,0x22,0x0e]
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| // CHECK: smull	v0.4s, v1.4h, v2.4h     // encoding: [0x20,0xc0,0x62,0x0e]
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| // CHECK: smull	v0.2d, v1.2s, v2.2s     // encoding: [0x20,0xc0,0xa2,0x0e]
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| 
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|         smull2 v0.8h, v1.16b, v2.16b
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|         smull2 v0.4s, v1.8h, v2.8h
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|         smull2 v0.2d, v1.4s, v2.4s
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| 
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| // CHECK: smull2	v0.8h, v1.16b, v2.16b   // encoding: [0x20,0xc0,0x22,0x4e]
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| // CHECK: smull2	v0.4s, v1.8h, v2.8h     // encoding: [0x20,0xc0,0x62,0x4e]
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| // CHECK: smull2	v0.2d, v1.4s, v2.4s     // encoding: [0x20,0xc0,0xa2,0x4e]
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| 
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|         umull v0.8h, v1.8b, v2.8b
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|         umull v0.4s, v1.4h, v2.4h
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|         umull v0.2d, v1.2s, v2.2s
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| 
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| // CHECK: umull	v0.8h, v1.8b, v2.8b     // encoding: [0x20,0xc0,0x22,0x2e]
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| // CHECK: umull	v0.4s, v1.4h, v2.4h     // encoding: [0x20,0xc0,0x62,0x2e]
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| // CHECK: umull	v0.2d, v1.2s, v2.2s     // encoding: [0x20,0xc0,0xa2,0x2e]
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| 
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|         umull2 v0.8h, v1.16b, v2.16b
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|         umull2 v0.4s, v1.8h, v2.8h
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|         umull2 v0.2d, v1.4s, v2.4s
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| 
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| // CHECK: umull2	v0.8h, v1.16b, v2.16b   // encoding: [0x20,0xc0,0x22,0x6e]
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| // CHECK: umull2	v0.4s, v1.8h, v2.8h     // encoding: [0x20,0xc0,0x62,0x6e]
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| // CHECK: umull2	v0.2d, v1.4s, v2.4s     // encoding: [0x20,0xc0,0xa2,0x6e]
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| 
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| //------------------------------------------------------------------------------
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| // Long - Variant 2
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| //------------------------------------------------------------------------------
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| 
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|         sqdmlal v0.4s, v1.4h, v2.4h
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|         sqdmlal v0.2d, v1.2s, v2.2s
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| 
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| // CHECK: sqdmlal	v0.4s, v1.4h, v2.4h     // encoding: [0x20,0x90,0x62,0x0e]
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| // CHECK: sqdmlal	v0.2d, v1.2s, v2.2s     // encoding: [0x20,0x90,0xa2,0x0e]
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| 
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|         sqdmlal2 v0.4s, v1.8h, v2.8h
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|         sqdmlal2 v0.2d, v1.4s, v2.4s
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| 
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| // CHECK: sqdmlal2	v0.4s, v1.8h, v2.8h // encoding: [0x20,0x90,0x62,0x4e]
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| // CHECK: sqdmlal2	v0.2d, v1.4s, v2.4s // encoding: [0x20,0x90,0xa2,0x4e]
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| 
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|         sqdmlsl v0.4s, v1.4h, v2.4h
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|         sqdmlsl v0.2d, v1.2s, v2.2s
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| 
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| // CHECK: sqdmlsl	v0.4s, v1.4h, v2.4h     // encoding: [0x20,0xb0,0x62,0x0e]
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| // CHECK: sqdmlsl	v0.2d, v1.2s, v2.2s     // encoding: [0x20,0xb0,0xa2,0x0e]
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| 
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|         sqdmlsl2 v0.4s, v1.8h, v2.8h
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|         sqdmlsl2 v0.2d, v1.4s, v2.4s
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| 
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| // CHECK: sqdmlsl2	v0.4s, v1.8h, v2.8h // encoding: [0x20,0xb0,0x62,0x4e]
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| // CHECK: sqdmlsl2	v0.2d, v1.4s, v2.4s // encoding: [0x20,0xb0,0xa2,0x4e]
 | |
| 
 | |
|         sqdmull v0.4s, v1.4h, v2.4h
 | |
|         sqdmull v0.2d, v1.2s, v2.2s
 | |
| 
 | |
| // CHECK: sqdmull	v0.4s, v1.4h, v2.4h     // encoding: [0x20,0xd0,0x62,0x0e]
 | |
| // CHECK: sqdmull	v0.2d, v1.2s, v2.2s     // encoding: [0x20,0xd0,0xa2,0x0e]
 | |
| 
 | |
|         sqdmull2 v0.4s, v1.8h, v2.8h
 | |
|         sqdmull2 v0.2d, v1.4s, v2.4s
 | |
| 
 | |
| // CHECK: sqdmull2	v0.4s, v1.8h, v2.8h // encoding: [0x20,0xd0,0x62,0x4e]
 | |
| // CHECK: sqdmull2	v0.2d, v1.4s, v2.4s // encoding: [0x20,0xd0,0xa2,0x4e]
 | |
| 
 | |
| //------------------------------------------------------------------------------
 | |
| // Long - Variant 3
 | |
| //------------------------------------------------------------------------------
 | |
| 
 | |
|         pmull v0.8h, v1.8b, v2.8b
 | |
|         pmull v0.1q, v1.1d, v2.1d
 | |
| 
 | |
| // CHECK: pmull	v0.8h, v1.8b, v2.8b     // encoding: [0x20,0xe0,0x22,0x0e]
 | |
| // CHECK: pmull	v0.1q, v1.1d, v2.1d     // encoding: [0x20,0xe0,0xe2,0x0e]
 | |
| 
 | |
|         pmull2 v0.8h, v1.16b, v2.16b
 | |
|         pmull2 v0.1q, v1.2d, v2.2d
 | |
| 
 | |
| // CHECK: pmull2	v0.8h, v1.16b, v2.16b   // encoding: [0x20,0xe0,0x22,0x4e]
 | |
| // CHECK: pmull2	v0.1q, v1.2d, v2.2d     // encoding: [0x20,0xe0,0xe2,0x4e]
 | |
| 
 | |
| //------------------------------------------------------------------------------
 | |
| // Widen
 | |
| //------------------------------------------------------------------------------
 | |
| 
 | |
|         saddw v0.8h, v1.8h, v2.8b
 | |
|         saddw v0.4s, v1.4s, v2.4h
 | |
|         saddw v0.2d, v1.2d, v2.2s
 | |
| 
 | |
| // CHECK: saddw	v0.8h, v1.8h, v2.8b     // encoding: [0x20,0x10,0x22,0x0e]
 | |
| // CHECK: saddw	v0.4s, v1.4s, v2.4h     // encoding: [0x20,0x10,0x62,0x0e]
 | |
| // CHECK: saddw	v0.2d, v1.2d, v2.2s     // encoding: [0x20,0x10,0xa2,0x0e]
 | |
| 
 | |
|         saddw2 v0.8h, v1.8h, v2.16b
 | |
|         saddw2 v0.4s, v1.4s, v2.8h
 | |
|         saddw2 v0.2d, v1.2d, v2.4s
 | |
| 
 | |
| // CHECK: saddw2	v0.8h, v1.8h, v2.16b    // encoding: [0x20,0x10,0x22,0x4e]
 | |
| // CHECK: saddw2	v0.4s, v1.4s, v2.8h     // encoding: [0x20,0x10,0x62,0x4e]
 | |
| // CHECK: saddw2	v0.2d, v1.2d, v2.4s     // encoding: [0x20,0x10,0xa2,0x4e]
 | |
| 
 | |
|         uaddw v0.8h, v1.8h, v2.8b
 | |
|         uaddw v0.4s, v1.4s, v2.4h
 | |
|         uaddw v0.2d, v1.2d, v2.2s
 | |
| 
 | |
| // CHECK: uaddw	v0.8h, v1.8h, v2.8b     // encoding: [0x20,0x10,0x22,0x2e]
 | |
| // CHECK: uaddw	v0.4s, v1.4s, v2.4h     // encoding: [0x20,0x10,0x62,0x2e]
 | |
| // CHECK: uaddw	v0.2d, v1.2d, v2.2s     // encoding: [0x20,0x10,0xa2,0x2e]
 | |
| 
 | |
|         uaddw2 v0.8h, v1.8h, v2.16b
 | |
|         uaddw2 v0.4s, v1.4s, v2.8h
 | |
|         uaddw2 v0.2d, v1.2d, v2.4s
 | |
| 
 | |
| // CHECK: uaddw2	v0.8h, v1.8h, v2.16b    // encoding: [0x20,0x10,0x22,0x6e]
 | |
| // CHECK: uaddw2	v0.4s, v1.4s, v2.8h     // encoding: [0x20,0x10,0x62,0x6e]
 | |
| // CHECK: uaddw2	v0.2d, v1.2d, v2.4s     // encoding: [0x20,0x10,0xa2,0x6e]
 | |
| 
 | |
|         ssubw v0.8h, v1.8h, v2.8b
 | |
|         ssubw v0.4s, v1.4s, v2.4h
 | |
|         ssubw v0.2d, v1.2d, v2.2s
 | |
| 
 | |
| // CHECK: ssubw	v0.8h, v1.8h, v2.8b     // encoding: [0x20,0x30,0x22,0x0e]
 | |
| // CHECK: ssubw	v0.4s, v1.4s, v2.4h     // encoding: [0x20,0x30,0x62,0x0e]
 | |
| // CHECK: ssubw	v0.2d, v1.2d, v2.2s     // encoding: [0x20,0x30,0xa2,0x0e]
 | |
| 
 | |
|         ssubw2 v0.8h, v1.8h, v2.16b
 | |
|         ssubw2 v0.4s, v1.4s, v2.8h
 | |
|         ssubw2 v0.2d, v1.2d, v2.4s
 | |
| 
 | |
| // CHECK: ssubw2	v0.8h, v1.8h, v2.16b    // encoding: [0x20,0x30,0x22,0x4e]
 | |
| // CHECK: ssubw2	v0.4s, v1.4s, v2.8h     // encoding: [0x20,0x30,0x62,0x4e]
 | |
| // CHECK: ssubw2	v0.2d, v1.2d, v2.4s     // encoding: [0x20,0x30,0xa2,0x4e]
 | |
| 
 | |
|         usubw v0.8h, v1.8h, v2.8b
 | |
|         usubw v0.4s, v1.4s, v2.4h
 | |
|         usubw v0.2d, v1.2d, v2.2s
 | |
| 
 | |
| // CHECK: usubw	v0.8h, v1.8h, v2.8b     // encoding: [0x20,0x30,0x22,0x2e]
 | |
| // CHECK: usubw	v0.4s, v1.4s, v2.4h     // encoding: [0x20,0x30,0x62,0x2e]
 | |
| // CHECK: usubw	v0.2d, v1.2d, v2.2s     // encoding: [0x20,0x30,0xa2,0x2e]
 | |
| 
 | |
|         usubw2 v0.8h, v1.8h, v2.16b
 | |
|         usubw2 v0.4s, v1.4s, v2.8h
 | |
|         usubw2 v0.2d, v1.2d, v2.4s
 | |
| 
 | |
| // CHECK: usubw2	v0.8h, v1.8h, v2.16b    // encoding: [0x20,0x30,0x22,0x6e]
 | |
| // CHECK: usubw2	v0.4s, v1.4s, v2.8h     // encoding: [0x20,0x30,0x62,0x6e]
 | |
| // CHECK: usubw2	v0.2d, v1.2d, v2.4s     // encoding: [0x20,0x30,0xa2,0x6e]
 | |
| 
 | |
| //------------------------------------------------------------------------------
 | |
| // Narrow
 | |
| //------------------------------------------------------------------------------
 | |
| 
 | |
|         addhn v0.8b, v1.8h, v2.8h
 | |
|         addhn v0.4h, v1.4s, v2.4s
 | |
|         addhn v0.2s, v1.2d, v2.2d
 | |
| 
 | |
| // CHECK: addhn	v0.8b, v1.8h, v2.8h     // encoding: [0x20,0x40,0x22,0x0e]
 | |
| // CHECK: addhn	v0.4h, v1.4s, v2.4s     // encoding: [0x20,0x40,0x62,0x0e]
 | |
| // CHECK: addhn	v0.2s, v1.2d, v2.2d     // encoding: [0x20,0x40,0xa2,0x0e]
 | |
| 
 | |
|         addhn2 v0.16b, v1.8h, v2.8h
 | |
|         addhn2 v0.8h, v1.4s, v2.4s
 | |
|         addhn2 v0.4s, v1.2d, v2.2d
 | |
| 
 | |
| // CHECK: addhn2	v0.16b, v1.8h, v2.8h    // encoding: [0x20,0x40,0x22,0x4e]
 | |
| // CHECK: addhn2	v0.8h, v1.4s, v2.4s     // encoding: [0x20,0x40,0x62,0x4e]
 | |
| // CHECK: addhn2	v0.4s, v1.2d, v2.2d     // encoding: [0x20,0x40,0xa2,0x4e]
 | |
| 
 | |
|         raddhn v0.8b, v1.8h, v2.8h
 | |
|         raddhn v0.4h, v1.4s, v2.4s
 | |
|         raddhn v0.2s, v1.2d, v2.2d
 | |
| 
 | |
| // CHECK: raddhn	v0.8b, v1.8h, v2.8h     // encoding: [0x20,0x40,0x22,0x2e]
 | |
| // CHECK: raddhn	v0.4h, v1.4s, v2.4s     // encoding: [0x20,0x40,0x62,0x2e]
 | |
| // CHECK: raddhn	v0.2s, v1.2d, v2.2d     // encoding: [0x20,0x40,0xa2,0x2e]
 | |
| 
 | |
|         raddhn2 v0.16b, v1.8h, v2.8h
 | |
|         raddhn2 v0.8h, v1.4s, v2.4s
 | |
|         raddhn2 v0.4s, v1.2d, v2.2d
 | |
| 
 | |
| // CHECK: raddhn2	v0.16b, v1.8h, v2.8h    // encoding: [0x20,0x40,0x22,0x6e]
 | |
| // CHECK: raddhn2	v0.8h, v1.4s, v2.4s     // encoding: [0x20,0x40,0x62,0x6e]
 | |
| // CHECK: raddhn2	v0.4s, v1.2d, v2.2d     // encoding: [0x20,0x40,0xa2,0x6e]
 | |
| 
 | |
|         rsubhn v0.8b, v1.8h, v2.8h
 | |
|         rsubhn v0.4h, v1.4s, v2.4s
 | |
|         rsubhn v0.2s, v1.2d, v2.2d
 | |
| 
 | |
| // CHECK: rsubhn	v0.8b, v1.8h, v2.8h     // encoding: [0x20,0x60,0x22,0x2e]
 | |
| // CHECK: rsubhn	v0.4h, v1.4s, v2.4s     // encoding: [0x20,0x60,0x62,0x2e]
 | |
| // CHECK: rsubhn	v0.2s, v1.2d, v2.2d     // encoding: [0x20,0x60,0xa2,0x2e]
 | |
| 
 | |
|         rsubhn2 v0.16b, v1.8h, v2.8h
 | |
|         rsubhn2 v0.8h, v1.4s, v2.4s
 | |
|         rsubhn2 v0.4s, v1.2d, v2.2d
 | |
| 
 | |
| // CHECK: rsubhn2	v0.16b, v1.8h, v2.8h    // encoding: [0x20,0x60,0x22,0x6e]
 | |
| // CHECK: rsubhn2	v0.8h, v1.4s, v2.4s     // encoding: [0x20,0x60,0x62,0x6e]
 | |
| // CHECK: rsubhn2	v0.4s, v1.2d, v2.2d     // encoding: [0x20,0x60,0xa2,0x6e]
 |