Figure 4.2 instruction execution patterns (4) – Renesas SH7781 User Manual

Page 100

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4. Pipelining

Rev.1.00 Jan. 10, 2008 Page 70 of 1658
REJ09B0261-0100

I1

I2

I3

ID

s1

s2

s3

WB

I3

I3

I3

I3

I3

I3

I3

I1

I2

ID

s1

s2

s3

WB

I1

I2

ID

s1

s2

s3

WB

I1

I2

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S1

S2

S3

WB

I1

I2

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E1s1

E2s2

E3s3

WB

I1

I2

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S2

S3

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ID

ID

I1

I2

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E1S1

E2S2

E3S3

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ID

ID

ID

ID

ID

I1

I2

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S1

S2

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WB

(I1)

(ID)

(I2)

(I3)

(I1)

(ID)

(I2)

(I3)

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ID

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ID

ID

ID

(4-1) LDC to Rp_BANK/SSR/SPC/VBR: 1 issue cycle

(4-2) LDC to DBR/SGR: 4 issue cycles

(4-3) LDC to GBR: 1 issue cycle

(4-4) LDC to SR: 4 issue cycles + 4 branch cycles

(4-5) LDC.L to Rp_BANK/SSR/SPC/VBR: 1 issue cycle

(4-6) LDC.L to DBR/SGR: 4 issue cycles

(4-7) LDC.L to GBR: 1 issue cycle

(4-8) LDC.L to SR: 6 issue cycles + 4 branch cycles

(Branch to the
next instruction.)

(Branch to the next instruction.)

Figure 4.2 Instruction Execution Patterns (4)

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