VSBC.VVM

Vector Subtract with Borrow

VSBC.VVM vd, vs2, vs1, v0

Subtracts two vectors minus a borrow-in from the mask register.

Encoding

Binary Layout

0100100

31:25

vs2

24:20

vs1

19:15

000

14:12

vd

11:7

1010111

6:0

 

Format OPIVV

Opcode 0x48000057

Extension V

Operands

• vd
  Destination vector register
• vs2
  Source vector register 2
• vs1
  Source vector register 1
• v0
  Borrow-In Mask

Example

VSBC.VVM v1, v4, v2, v0

Related

More in V

Reference

View in RISC-V Unprivileged ISA Specification ↗ RISC-V ISA Manual

Description

Vector Subtract with Borrow: Subtracts two vectors minus a borrow-in from the mask register. Operation: foreach(i < vl): vd[i] = vs1[i] - vs2[i] - v0[i];.

Operation

foreach(i < vl): vd[i] = vs1[i] - vs2[i] - v0[i];