qa.hlp (Table of Contents; Topic list)
FMUL/FMULP/FIMUL
   Summary  Timings  Example
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Multiply
 
Syntax: FMUL dest,src
 
Multiplies the source by the destination and returns the product in the
destination. If two register operands are specified, one must be ST. If
a memory operand is specified, the product replaces the value in ST.
Memory operands can be 32- or 64-bit real numbers or 16- or 32-bit
integers. If no operand is specified, ST(1) is multiplied by ST and the
stack is popped, returning the product in ST. For FMULP, the source must
be ST; the product is returned in the destination register and ST is
popped.
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