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Using NEON Support E.3.3 Subtraction These intrinsics provide operations including subtraction. Vector subtract int8x8_t vsub_s8(int8x8_t a, int8x8_t b); // VSUB.I8 d0,d0,d0 int16x4_t vsub_s16(int16x4_t a, int16x4_t b); // VSUB.I16 d0,d0,d0 int32x2_t vsub_s32(int32x2_t a, int32x2_t b); // VSUB.I32 d0,d0,d0 int64x1_t vsub_s64(int64x1_t a, int64x1_t b); // VSUB.I64 d0,d0,d0 float32x2_t vsub_f32(float32x2_t a, float32x2_t b); // VSUB.F32 d0,d0,d0 uint8x8_t vsub_u8(uint8x8_t a, uint8x8_t b); // VSUB.I8 d0,d0,d0 uint16x4_t vsub_u16(uint16x4_t a, uint16x4_t b); // VSUB.I16 d0,d0,d0 uint32x2_t vsub_u32(uint32x2_t a, uint32x2_t b); // VSUB.I32 d0,d0,d0 uint64x1_t vsub_u64(uint64x1_t a, uint64x1_t b); // VSUB.I64 d0,d0,d0 int8x16_t vsubq_s8(int8x16_t a, int8x16_t b); // VSUB.I8 q0,q0,q0 int16x8_t vsubq_s16(int16x8_t a, int16x8_t b); // VSUB.I16 q0,q0,q0 int32x4_t vsubq_s32(int32x4_t a, int32x4_t b); // VSUB.I32 q0,q0,q0 int64x2_t vsubq_s64(int64x2_t a, int64x2_t b); // VSUB.I64 q0,q0,q0 float32x4_t vsubq_f32(float32x4_t a, float32x4_t b); // VSUB.F32 q0,q0,q0 uint8x16_t vsubq_u8(uint8x16_t a, uint8x16_t b); // VSUB.I8 q0,q0,q0 uint16x8_t vsubq_u16(uint16x8_t a, uint16x8_t b); // VSUB.I16 q0,q0,q0 uint32x4_t vsubq_u32(uint32x4_t a, uint32x4_t b); // VSUB.I32 q0,q0,q0 uint64x2_t vsubq_u64(uint64x2_t a, uint64x2_t b); // VSUB.I64 q0,q0,q0 Vector long subtract: vsub -> Vr[i]:=Va[i]+Vb[i] int16x8_t vsubl_s8(int8x8_t a, int8x8_t b); // VSUBL.S8 q0,d0,d0 int32x4_t vsubl_s16(int16x4_t a, int16x4_t b); // VSUBL.S16 q0,d0,d0 int64x2_t vsubl_s32(int32x2_t a, int32x2_t b); // VSUBL.S32 q0,d0,d0 uint16x8_t vsubl_u8(uint8x8_t a, uint8x8_t b); // VSUBL.U8 q0,d0,d0 uint32x4_t vsubl_u16(uint16x4_t a, uint16x4_t b); // VSUBL.U16 q0,d0,d0 uint64x2_t vsubl_u32(uint32x2_t a, uint32x2_t b); // VSUBL.U32 q0,d0,d0 Vector wide subtract: vsub -> Vr[i]:=Va[i]+Vb[i] int16x8_t vsubw_s8(int16x8_t a, int8x8_t b); // VSUBW.S8 q0,q0,d0 int32x4_t vsubw_s16(int32x4_t a, int16x4_t b); // VSUBW.S16 q0,q0,d0 int64x2_t vsubw_s32(int64x2_t a, int32x2_t b); // VSUBW.S32 q0,q0,d0 uint16x8_t vsubw_u8(uint16x8_t a, uint8x8_t b); // VSUBW.U8 q0,q0,d0 uint32x4_t vsubw_u16(uint32x4_t a, uint16x4_t b); // VSUBW.U16 q0,q0,d0 uint64x2_t vsubw_u32(uint64x2_t a, uint32x2_t b); // VSUBW.U32 q0,q0,d0 Vector saturating subtract int8x8_t vqsub_s8(int8x8_t a, int8x8_t b); // VQSUB.S8 d0,d0,d0 int16x4_t vqsub_s16(int16x4_t a, int16x4_t b); // VQSUB.S16 d0,d0,d0 int32x2_t vqsub_s32(int32x2_t a, int32x2_t b); // VQSUB.S32 d0,d0,d0 E-10 Copyright © 2007-2010 ARM. All rights reserved. ARM DUI 0348C Non-Confidential, ID101213
Using NEON Support int64x1_t vqsub_s64(int64x1_t a, int64x1_t b); // VQSUB.S64 d0,d0,d0 uint8x8_t vqsub_u8(uint8x8_t a, uint8x8_t b); // VQSUB.U8 d0,d0,d0 uint16x4_t vqsub_u16(uint16x4_t a, uint16x4_t b); // VQSUB.U16 d0,d0,d0 uint32x2_t vqsub_u32(uint32x2_t a, uint32x2_t b); // VQSUB.U32 d0,d0,d0 uint64x1_t vqsub_u64(uint64x1_t a, uint64x1_t b); // VQSUB.U64 d0,d0,d0 int8x16_t vqsubq_s8(int8x16_t a, int8x16_t b); // VQSUB.S8 q0,q0,q0 int16x8_t vqsubq_s16(int16x8_t a, int16x8_t b); // VQSUB.S16 q0,q0,q0 int32x4_t vqsubq_s32(int32x4_t a, int32x4_t b); // VQSUB.S32 q0,q0,q0 int64x2_t vqsubq_s64(int64x2_t a, int64x2_t b); // VQSUB.S64 q0,q0,q0 uint8x16_t vqsubq_u8(uint8x16_t a, uint8x16_t b); // VQSUB.U8 q0,q0,q0 uint16x8_t vqsubq_u16(uint16x8_t a, uint16x8_t b); // VQSUB.U16 q0,q0,q0 uint32x4_t vqsubq_u32(uint32x4_t a, uint32x4_t b); // VQSUB.U32 q0,q0,q0 uint64x2_t vqsubq_u64(uint64x2_t a, uint64x2_t b); // VQSUB.U64 q0,q0,q0 Vector halving subtract int8x8_t vhsub_s8(int8x8_t a, int8x8_t b); // VHSUB.S8 d0,d0,d0 int16x4_t vhsub_s16(int16x4_t a, int16x4_t b); // VHSUB.S16 d0,d0,d0 int32x2_t vhsub_s32(int32x2_t a, int32x2_t b); // VHSUB.S32 d0,d0,d0 uint8x8_t vhsub_u8(uint8x8_t a, uint8x8_t b); // VHSUB.U8 d0,d0,d0 uint16x4_t vhsub_u16(uint16x4_t a, uint16x4_t b); // VHSUB.U16 d0,d0,d0 uint32x2_t vhsub_u32(uint32x2_t a, uint32x2_t b); // VHSUB.U32 d0,d0,d0 int8x16_t vhsubq_s8(int8x16_t a, int8x16_t b); // VHSUB.S8 q0,q0,q0 int16x8_t vhsubq_s16(int16x8_t a, int16x8_t b); // VHSUB.S16 q0,q0,q0 int32x4_t vhsubq_s32(int32x4_t a, int32x4_t b); // VHSUB.S32 q0,q0,q0 uint8x16_t vhsubq_u8(uint8x16_t a, uint8x16_t b); // VHSUB.U8 q0,q0,q0 uint16x8_t vhsubq_u16(uint16x8_t a, uint16x8_t b); // VHSUB.U16 q0,q0,q0 uint32x4_t vhsubq_u32(uint32x4_t a, uint32x4_t b); // VHSUB.U32 q0,q0,q0 Vector subtract high half int8x8_t vsubhn_s16(int16x8_t a, int16x8_t b); // VSUBHN.I16 d0,q0,q0 int16x4_t vsubhn_s32(int32x4_t a, int32x4_t b); // VSUBHN.I32 d0,q0,q0 int32x2_t vsubhn_s64(int64x2_t a, int64x2_t b); // VSUBHN.I64 d0,q0,q0 uint8x8_t vsubhn_u16(uint16x8_t a, uint16x8_t b); // VSUBHN.I16 d0,q0,q0 uint16x4_t vsubhn_u32(uint32x4_t a, uint32x4_t b); // VSUBHN.I32 d0,q0,q0 uint32x2_t vsubhn_u64(uint64x2_t a, uint64x2_t b); // VSUBHN.I64 d0,q0,q0 Vector rounding subtract high half int8x8_t vrsubhn_s16(int16x8_t a, int16x8_t b); // VRSUBHN.I16 d0,q0,q0 int16x4_t vrsubhn_s32(int32x4_t a, int32x4_t b); // VRSUBHN.I32 d0,q0,q0 int32x2_t vrsubhn_s64(int64x2_t a, int64x2_t b); // VRSUBHN.I64 d0,q0,q0 uint8x8_t vrsubhn_u16(uint16x8_t a, uint16x8_t b); // VRSUBHN.I16 d0,q0,q0 uint16x4_t vrsubhn_u32(uint32x4_t a, uint32x4_t b); // VRSUBHN.I32 d0,q0,q0 uint32x2_t vrsubhn_u64(uint64x2_t a, uint64x2_t b); // VRSUBHN.I64 d0,q0,q0 ARM DUI 0348C Copyright © 2007-2010 ARM. All rights reserved. E-11 ID101213 Non-Confidential,
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® RealView Compilation Tools Versi
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Product Status The information in t
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Contents RealView Compilation Tools
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Preface This preface introduces the
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Preface Appendix A Via File Syntax
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Preface Other publications The foll
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Chapter 1 Introduction This chapter
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Introduction 1.2 Source language mo
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Introduction 1.3 Language extension
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Introduction • Compiling a C sour
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Chapter 2 Compiler Command-line Opt
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Compiler Command-line Options 2.1.2
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Compiler Command-line Options Each
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Compiler Command-line Options Note
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Compiler Command-line Options • -
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Compiler Command-line Options Restr
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Compiler Command-line Options Defau
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Compiler Command-line Options Examp
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Compiler Command-line Options • a
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Compiler Command-line Options Synta
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Compiler Command-line Options Compi
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Compiler Command-line Options Selec
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Compiler Command-line Options • R
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Compiler Command-line Options Usage
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Compiler Command-line Options A num
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Compiler Command-line Options vfpv3
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Compiler Command-line Options Error
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Chapter 3 Language Extensions This
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Language Extensions 3.1.2 #include_
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Language Extensions 3.2 C99 languag
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Language Extensions 3.3 C99 languag
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Language Extensions Restrictions Th
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Language Extensions static int y =
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Language Extensions 3.4.4 Dollar si
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Language Extensions 3.5 Standard C+
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Language Extensions Example 3-2 Lin
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Language Extensions 3.6 Standard C
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Language Extensions int counter __a
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Language Extensions 3.6.12 Structur
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Language Extensions 3.7 GNU languag
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Language Extensions 3.7.5 Character
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Language Extensions • You can use
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Language Extensions Errors The comp
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Chapter 4 Compiler-specific Feature
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Compiler-specific Features Usage __
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Compiler-specific Features Return v
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Compiler-specific Features Example
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Compiler-specific Features The func
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Compiler-specific Features See also
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Compiler-specific Features __weak v
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Compiler-specific Features When a c
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Compiler-specific Features Examples
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Compiler-specific Features 4.3 Func
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Compiler-specific Features 4.3.2 __
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Compiler-specific Features Note Thi
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Compiler-specific Features 4.3.11 _
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Compiler-specific Features 4.4 Type
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Compiler-specific Features • Bit-
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Compiler-specific Features 4.5 Vari
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Compiler-specific Features 4.5.5 __
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Compiler-specific Features Default
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Compiler-specific Features Restrict
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Compiler-specific Features 4.7.44 A
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Compiler-specific Features 4.10 GNU
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Chapter 5 C and C++ Implementation
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C and C++ Implementation Details th
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Page 415 and 416: Appendix A Via File Syntax This app
Page 417 and 418: Via File Syntax A.2 Syntax Via file
Page 419 and 420: Appendix B Standard C Implementatio
Page 421 and 422: Standard C Implementation Definitio
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Page 435 and 436: Appendix D C and C++ Compiler Imple
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Page 441 and 442: Appendix E Using NEON Support This
Page 443 and 444: Using NEON Support E.2 Vector data
Page 445 and 446: Using NEON Support • Vector long
Page 447 and 448: Using NEON Support uint64x1_t vqadd
Page 449: Using NEON Support Vector multiply
Page 453 and 454: Using NEON Support uint32x2_t vcle_
Page 455 and 456: Using NEON Support uint16x4_t vabd_
Page 457 and 458: Using NEON Support Long pairwise ad
Page 459 and 460: Using NEON Support int16x8_t vqshlq
Page 461 and 462: Using NEON Support uint8x8_t vrshr_
Page 463 and 464: Using NEON Support Vector signed->u
Page 465 and 466: Using NEON Support uint8x16_t vld1q
Page 467 and 468: Using NEON Support int16x4_t lane);
Page 469 and 470: Using NEON Support // VST1.8 {d0},
Page 471 and 472: Using NEON Support uint64x1x2_t vld
Page 473 and 474: Using NEON Support float32x2x4_t vl
Page 475 and 476: Using NEON Support lane); // VLD2.8
Page 477 and 478: Using NEON Support // VLD4.16 {d0[0
Page 479 and 480: Using NEON Support // VST3.32 {d0,
Page 481 and 482: Using NEON Support // VST3.32 {d0[0
Page 483 and 484: Using NEON Support uint8x8_t vset_l
Page 485 and 486: Using NEON Support float32x2_t vmov
Page 487 and 488: Using NEON Support uint32x2_t vcvt_
Page 489 and 490: Using NEON Support // VMLA.I16 d0,
Page 491 and 492: Using NEON Support Vector long mult
Page 493 and 494: Using NEON Support Vector widening
Page 495 and 496: Using NEON Support int8x16_t vqabsq
Page 497 and 498: Using NEON Support Bitwise and int8
Page 499 and 500: Using NEON Support Bitwise Select N
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Using NEON Support E.3.31 Vector re
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