Syntax
mulf $s_reg1, $s_reg2, $d_reg
mulf $d_reg/$s_reg1, $s_reg2
Description
Multiply F_floating multiplies the contents of $s_reg1 or $d_reg by the contents of $s_reg2 and stores the results in $d_reg. The product is rounded according to the appropriate rounding mode. The single-precision operation on canonical single-precision values produces a canonical single-precision result.
Qualifiers
The following table describes the qualifiers for the mulf instructions:
Instruction | Qualifier description |
no qualifier | VAX Rounding Mode: Normal rounding |
VAX Trap Mode: Imprecise, underflow disabled | |
mulfc | VAX Rounding Mode: Chopped |
mulfu | VAX Trap Mode: Imprecise, underflow enabled |
mulfuc | Combined meanings of mulfc and mulfu |
mulf | VAX Trap Mode: Software, underflow disabled |
mulfsc | Combined meanings of mulfs and mulfc |
mulfsu | VAX Trap Mode: Software, underflow enabled |
mulfsuc | Combined meanings of mulfs and mulfuc |