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QB-V850ESFJ3 Preliminary User's Manual
[Combination of instructions for the occurrence of the simultaneous execution of two instructions]
• Condition where "mov + operation instruction" are executed as one instruction
If dst of mov and dst of the operation instruction are the same register, except r0, in combination of "mov
src, dst" and one of the following instructions:
Format I
Format II
Remark
"mov + operation instruction" are executed as one instruction only when the mov instruction is
the first instruction of the above combinations of instructions.
• Condition of parallel execution of instructions
<1> Combination of one of the following instructions and br instruction
Format I
Format II
Format IV
<2> Combination of one of the following instructions (instructions that do not update flags) and bcc
instruction except br instruction
Format I
Format II
Format IV
<3> Combination of one of the following instructions and sld instruction
Format I
Format II
Remark
Of <1> to <3>, two instructions are simultaneously executed only when the second instruction of
the above combinations of instructions is br/brcc/sld
Caution Formats I, II, and IV are the instruction formats described in the V850ES Architecture
User's Manual (U15943E).
satsubr/satsub/satadd/mulh
or/xor/and
subr/sub/add
shr/sar/shl/mulh
nop/mov/not/sld
satsubr/satsub/satadd/mulh
or/xor/and/tst
subr/sub/add/cmp
mov/satadd/add/cmp
shr/sar/shl/mulh
sld.b/sst.b/sld.h/sst.h/sld.w/sst.w
nop/mov/sld
mulh/sxb/sxh/zxb/zxh
mov/mulh
sld.b/sst.b/sld.h/sst.h/sld.w/sst.w
nop/mov/not
satsubr/satsub/satadd/mulh
or/xor/and/tst
subr/sub/add/cmp
mov/satadd/add/cmp
shr/sar/shl/mulh
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