2.6.8.3.1 Syntax

SXTextend{cond} {Rd,} Rm {, ROR #n}

UXTextend{cond} {Rd}, Rm {, ROR #n}

where:

• extend is one of:
  • B: Extends an 8-bit value to a 32-bit value.
  • H: Extends a 16-bit value to a 32-bit value.
• cond is an optional condition code, see 2.6.3.7 Conditional Execution.
• Rd is the destination register.
• Rm is the register holding the value to extend.
• ROR #n is one of:
  • ROR #8: Value from Rm is rotated right 8 bits.
  • ROR #16: Value from Rm is rotated right 16 bits.
  • ROR #24: Value from Rm is rotated right 24 bits.
  • If ROR #n is omitted, no rotation is performed.