SH-2A Datasheet, PDF (481/501 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 8 Pipeline Operation
(15) Floating-Point Operation Instructions (FLOAT, FTRC) and FCNVSD, FCNVDS
Instructions
Instruction Types
FLOAT FPUL,FRn
FTRC DRm,FPUL
FLOAT FPUL,DRn
FTRC DRm,FPUL
FCNVSD
FCNVDS
Pipeline
• Single-Precision
Instruction A
Next instruction
Instruction after next
↔ ↔ ↔ ↔ ↔ ↔ ↔ Slots
IF ID EX
: CPU pipeline
IF DF E1 E2 SF
: FPU pipeline
IF ID EX ⋅ ⋅ ⋅
: CPU pipeline
IF DF EX NA SF
: FPU pipeline
IF ID EX ⋅ ⋅ ⋅
: CPU pipeline
IF DF E1 E2 SF : FPU pipeline
• Double-Precision
Instruction A
Next instruction
Instruction after next
↔ ↔ ↔ ↔ ↔ ↔ ↔ ↔ ↔ ↔ ↔ Slots
IF ID EX
: CPU pipeline
IF DF E1 E1 E2 SF
: FPU pipeline
IF ID EX MA WB
: CPU pipeline
IF DF EX NA SF
: FPU pipeline
IF ID EX ⋅ ⋅ ⋅
: CPU pipeline
IF DF EX NA SF
: FPU pipeline
Rev. 3.00 Jul 08, 2005 page 467 of 484
REJ09B0051-0300