SH7670 Datasheet, PDF (101/1292 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7670 Series

Section 3
Section 3 Floating-Point Unit (FPU)
Floating-Point Unit (FPU)
3.1 Features
The FPU has the following features.
• Conforms to IEEE754 standard
• 16 single-precision floating-point registers (can also be referenced as eight double-precision
registers)
• Two rounding modes: Round to nearest and round to zero
• Denormalization modes: Flush to zero
• Five exception sources: Invalid operation, divide by zero, overflow, underflow, and inexact
• Comprehensive instructions: Single-precision, double-precision, and system control
Rev. 1.00 Nov. 14, 2007 Page 75 of 1262
REJ09B0437-0100