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Les articles publiés sur le site

• x86 : shave a few instructions off AVX deblock

  16 mai 2013, par Jason Garrett-Glaser

  x86: shave a few instructions off AVX deblock
  

  • [DH] common/x86/const-a.asm
  • [DH] common/x86/dct-a.asm
  • [DH] common/x86/deblock-a.asm

• x86 : AVX2 dequant_4x4_dc

  14 mai 2013, par Henrik Gramner

  x86: AVX2 dequant_4x4_dc
  

  • [DH] common/quant.c
  • [DH] common/x86/quant-a.asm
  • [DH] common/x86/quant.h

• x86 : AVX2 high bit-depth dequant

  14 mai 2013, par Henrik Gramner

  x86: AVX2 high bit-depth dequant
  

  • [DH] common/quant.c
  • [DH] common/x86/quant-a.asm

• x86 : add Jaguar CPU detection

  14 mai 2013, par Jason Garrett-Glaser

  x86: add Jaguar CPU detection
  

  • [DH] common/cpu.c

• x86inc : Utilize the shadow space on 64-bit Windows

  11 mai 2013, par Henrik Gramner

  x86inc: Utilize the shadow space on 64-bit Windows
  
  Store XMM6 and XMM7 in the shadow space in functions that clobbers them.
  This way we don't have to adjust the stack pointer as often,
  reducing the number of instructions as well as code size.
  

  • [DH] common/x86/deblock-a.asm
  • [DH] common/x86/mc-a.asm
  • [DH] common/x86/pixel-a.asm
  • [DH] common/x86/sad-a.asm
  • [DH] common/x86/x86inc.asm
  • [DH] tools/checkasm-a.asm