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HEAD
expand SVi to 8 bits
[libreriscv.git]
/
openpower
/
isa
/
simplev.mdwn
1
# setvl
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SVL-Form
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* setvl RT, RA, SVi, vs, ms
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* setvl. RT, RA, SVi, vs, ms
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Pseudo-code:
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VLimm <- SVi + 1
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if vs = 1 then
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if RA = 0 then
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VL <- (RA)[57:63]
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else
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VL <- VLimm[2:8]
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else
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VL <- SVSTATE[7:13]
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if ms = 1 then
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MVL <- VLimm[2:8]
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else
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MVL <- SVSTATE[0:6]
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if VL > MVL then
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VL = MVL
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SVSTATE[0:6] = MVL
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SVSTATE[7:13] = VL
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if RT != 0 then
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RT <- VL || [0] * 58
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Special Registers Altered:
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CR0 (if Rc=1)
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