Encoding:

Format:

MULV.df 

MULV.B wd,ws,wt

MULV.H wd,ws,wt

MULV.W wd,ws,wt

MULV.D wd,ws,wt

Purpose:

Vector Multiply

Vector multiply.

Description:

wd[i] = ws[i] * wt[i]

The integer elements in vector wt are multiplied by integer elements in vector ws. The result is written to vector wd.

The most significant half of the multiplication result is discarded.

The operands and results are values in integer data format df.

Restrictions:

No data-dependent exceptions are possible.

Operation:

MULV.B
   for i in 0 .. WRLEN/8-1
      WR[wd]8i+7..8i = WR[ws]8i+7..8i * WR[wt]8i+7..8i
   endfor
MULV.H
   for i in 0 .. WRLEN/16-1
      WR[wd]16i+15..16i = WR[ws]16i+15..16i * WR[wt]16i+15..16i
   endfor
MULV.W
   for i in 0 .. WRLEN/32-1
      WR[wd]32i+31..32i = WR[ws]32i+31..32i * WR[wt]32i+31..32i
   endfor
MULV.D
   for i in 0 .. WRLEN/64-1
      WR[wd]64i+63..64i = WR[ws]64i+63..64i * WR[wt]64i+63..64i
   endfor

Exceptions:

Reserved Instruction Exception, MSA Disabled Exception.