SEX.H

Sign Extend Halfword

SEX.H rd, rs1

Sign-extends the lowest halfword (16 bits) to XLEN bits.

Details

SEX.H sign-extends the least-significant halfword of rs1 to XLEN bits (alias of SEXT.H).

Pseudocode Operation

R[rd] = sext(R[rs1][15:0]);

Example

SEX.H x10, x11

Encoding

Binary Layout
0110000
31:25
00101
24:20
rs1
19:15
001
14:12
rd
11:7
0010011
6:0
 
Format I-Type
Opcode 0x13
Extension Zbb

Operands

  • rd
    Destination register (integer)
  • rs1
    Source