HD6417750RF240DV Datasheet, PDF (112/1132 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7750 Series

Section 2 Programming Model
SH7750, SH7750S, SH7750R Group
• Single-precision floating-point extended register pairs, XDi (8 registers): An XD register
comprises two XF registers
XD0 = {XF0, XF1}, XD2 = {XF2, XF3}, XD4 = {XF4, XF5}, XD6 = {XF6, XF7},
XD8 = {XF8, XF9}, XD10 = {XF10, XF11}, XD12 = {XF12, XF13}, XD14 = {XF14, XF15}
• Single-precision floating-point extended register matrix, XMTRX: XMTRX comprises all 16
XF registers
XMTRX = XF0 XF4 XF8 XF12
XF1 XF5 XF9 XF13
XF2 XF6 XF10 XF14
XF3 XF7 XF11 XF15
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R01UH0456EJ0702 Rev. 7.02
Sep 24, 2013