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| author | The Android Open Source Project <initial-contribution@android.com> | 2008-12-17 18:03:55 -0800 |
|---|---|---|
| committer | The Android Open Source Project <initial-contribution@android.com> | 2008-12-17 18:03:55 -0800 |
| commit | 89c1feb0a69a7707b271086e749975b3f7acacf7 (patch) | |
| tree | 003624a03635e05020a47fc72a2c42934e3f0703 /docs/opcodes/opcode-07-move-object.html | |
| parent | 2ad60cfc28e14ee8f0bb038720836a4696c478ad (diff) | |
| download | android_dalvik-89c1feb0a69a7707b271086e749975b3f7acacf7.tar.gz android_dalvik-89c1feb0a69a7707b271086e749975b3f7acacf7.tar.bz2 android_dalvik-89c1feb0a69a7707b271086e749975b3f7acacf7.zip | |
Code drop from //branches/cupcake/...@124589
Diffstat (limited to 'docs/opcodes/opcode-07-move-object.html')
| -rw-r--r-- | docs/opcodes/opcode-07-move-object.html | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/docs/opcodes/opcode-07-move-object.html b/docs/opcodes/opcode-07-move-object.html new file mode 100644 index 000000000..e62750dc7 --- /dev/null +++ b/docs/opcodes/opcode-07-move-object.html @@ -0,0 +1,90 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> + +<html> + +<head> +<title>move-object</title> +<link rel=stylesheet href="opcode.css"> +</head> + +<body> + +<h1>move-object</h1> + +<h2>Purpose</h2> + +<p> +Move the contents of one object-bearing register to another. +</p> + +<h2>Details</h2> + +<table class="instruc"> +<thead> +<tr> + <th>Op & Format</th> + <th>Mnemonic / Syntax</th> + <th>Arguments</th> +</tr> +</thead> +<tbody> +<tr> + <td>07 12x</td> + <td>move-object vA, vB</td> + <td><code>A:</code> destination register (4 bits)<br/> + <code>B:</code> source register (4 bits)</td> +</tr> +<tr> + <td>08 22x</td> + <td>move-object/from16 vAA, vBBBB</td> + <td><code>A:</code> destination register (8 bits)<br/> + <code>B:</code> source register (16 bits)</td> +</tr> +<tr> + <td>09 32x</td> + <td>move-object/16 vAAAA, vBBBB</td> + <td><code>A:</code> destination register (16 bits)<br/> + <code>B:</code> source register (16 bits)</td> +</tr> +</tbody> +</table> + +<h2>Constraints</h2> + +<ul> + <li> + Both A and B must be legal register indices in the current stack frame. + </li> + <li> + Register vB must be defined. + </li> + <li> + Register vB must contain a reference value (which excludes the case of it + being part of a register pair). + </li> +</ul> + +<h2>Behavior</h2> + +<ul> + <li> + The value of register vB is moved to register vA, that is, vA' = vB. + </li> + <li> + If register v(A-1) is the lower half of a register pair, register v(A-1)' + becomes undefined. + </li> + <li> + If register v(A+1) is the upper half of a register pair, register v(A+1)' + becomes undefined. + </li> +</ul> + +<h2>Exceptions</h2> + +<p> +None. +</p> + +</body> +</html> |