AArch64

• ISA相关内容搜索
• ARM C Language Extensions for SVE
  • Using SVE intrinsics directly in your C code

Registers

• ABI

• Overview of ARM64 ABI conventions

  

• Integer Registers:
  • 32 64 bits: X0~X31
  • 32 32 bits: W0~W31
• Float Point and Vector Registers(Neon):
  • 32 8 bits: B0~B31
  • 32 16 bits: H0~H31
  • 32 32 bits: S0~S31
  • 32 64 bits: D0~D31
  • 32 128 bits: Q0~Q31
• SVE Registers
  • 32 VL bits(128~2048 bits) data register: Z0~Z31
  • 16 VL/8 bits mask register: P0~P15
  • FFR(1 First Faulting Register)