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ARM Compiler armasm User Guide : Views of the floating-point extension register bank in AArch64 state

Views of the floating-point extension register bank in AArch64 state

Floating-point can have different views of the extension register bank in AArch64 state.

The floating-point extension register bank can be viewed as:

  • Thirty-two 64-bit registers D0-D31.
  • Thirty-two 32-bit registers S0-S31.
  • Thirty-two 16-bit registers H0-H31.
  • A combination of registers from these views.
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