Renesas M32R-FPU Manual Do Utilizador

3

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M32R-FPU Software Manual (Rev.1.01)

INSTRUCTIONS

3.2 Instruction description

Floating-point multiply

Rdest = Rsrc1 * Rsrc2 ;

Multiply the floating-point single precision value stored in Rsrc1 by the floating-point single

precision value stored in Rsrc2 and store the results in Rdest. The result is rounded according to

the RM field of FPSR. The DN bit of FPSR handles the modification of denormalized numbers.

The condition bit (C) remains unchanged.

Floating-Point Exceptions (FPE)

• Unimplemented Operation Exception (UIPL)

• Invalid Operation Exception (IVLD)

• Overflow (OVF)

• Underflow (UDF)

• Inexact Exception (IXCT)

floating-point Instructions