Renesas M32R-FPU Manual Do Utilizador

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M32R-FPU Software Manual (Rev.1.01)

INSTRUCTIONS

3.2 Instruction description

Floating-point add

Rdest = Rsrc1 + Rsrc2 ;

Add the floating-point single precision values stored in Rsrc1 and Rsrc2 and store the result 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