Difference between revisions of "Assembler:Commands:CMOVGE"
(Created page with 'Category:Assembler '''command''' cmovge ''destination, source'' cmovge is CMOVcc instruction, The cmovge (conditional move if greater) check the state of '''SF''' AND '''OF'…') |
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'''command''' cmovge ''destination, source'' | '''command''' cmovge ''destination, source'' | ||
| − | cmovge is CMOVcc instruction, The cmovge | + | cmovge is CMOVcc instruction, The cmovge ''conditional move if greater or equal'' check the state of '''SF''' AND '''OF'''. |
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| + | If '''SF=OF''' then condition is satisfied, otherwise it will be skipped. | ||
| + | |||
| + | CMOVcc instructions are mainly used after [[Assembler:Commands:CMP|CMP]] | ||
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| + | |||
| + | <div style="padding:2px;border:1px dashed #2f6fab;background-color:#f4f4f4;"> | ||
| + | The CMOVcc instructions check the state of one or more of the status flags in the EFLAGS register (CF, OF, PF, SF, and ZF) and perform a move operation if the flags are in a specified state (or condition). A condition code (cc) is associated with each instruction to indicate the condition being tested for. If the condition is not satisfied, a move is not performed and execution continues with the instruction following the CMOVcc instruction. | ||
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| + | These instructions can move a 16- or 32-bit value from memory to a general-purpose register or from one general-purpose register to another. Conditional moves of 8-bit register operands are not supported. | ||
| + | |||
| + | The terms "less" and "greater" are used for comparisons of signed integers and the terms "above" and "below" are used for unsigned integers. | ||
| + | </div> | ||
Latest revision as of 19:08, 18 March 2019
command cmovge destination, source
cmovge is CMOVcc instruction, The cmovge conditional move if greater or equal check the state of SF AND OF.
If SF=OF then condition is satisfied, otherwise it will be skipped.
CMOVcc instructions are mainly used after CMP
The CMOVcc instructions check the state of one or more of the status flags in the EFLAGS register (CF, OF, PF, SF, and ZF) and perform a move operation if the flags are in a specified state (or condition). A condition code (cc) is associated with each instruction to indicate the condition being tested for. If the condition is not satisfied, a move is not performed and execution continues with the instruction following the CMOVcc instruction.
These instructions can move a 16- or 32-bit value from memory to a general-purpose register or from one general-purpose register to another. Conditional moves of 8-bit register operands are not supported.
The terms "less" and "greater" are used for comparisons of signed integers and the terms "above" and "below" are used for unsigned integers.
Command Parameters[edit]
| Parameter | Description |
|---|---|
| destination | r16 / r32 |
| source | m16-r16 / m32-r32 |
Examples[edit]
cmovge dx,ax
cmovge cx,[bx]
cmovge edx,[edx+110]
cmovge eax,edx
cmovge esi,[00123abc]
cmovge edi,[UserDefinedSymbol]
