📄 chap2-4.htm.primary
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<span
lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
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solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
10.0pt'>Examine: Eyeball st(0) (set condition codes)<o:p></o:p></span></p>
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</blockquote>
<p><span lang=EN-US>3</span><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>.运算指令</span>
</p>
<blockquote>
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<p class=MsoNormal align=center style='text-align:center'><span
style='font-size:9.0pt;mso-bidi-font-size:10.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>指令格式</span><span
lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
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<td width=168 style='width:126.0pt;border:solid windowtext .5pt;border-left:
none;mso-border-left-alt:solid windowtext .5pt;background:#E5E5E5;mso-shading:
white;mso-pattern:gray-10 auto;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal align=center style='text-align:center'><span
style='font-size:9.0pt;mso-bidi-font-size:10.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>指令含义</span><span
lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
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<td width=279 style='width:209.25pt;border-top:solid windowtext .5pt;
border-left:none;border-bottom:solid windowtext .5pt;border-right:none;
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white;mso-pattern:gray-10 auto;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal align=center style='text-align:center'><span
style='font-size:9.0pt;mso-bidi-font-size:10.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>执行的操作</span><span
lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
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<td width=573 colspan=3 style='width:430.0pt;border:none;border-bottom:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span style='font-size:9.0pt;mso-bidi-font-size:10.0pt;
font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>加法</span><span lang=EN-US style='font-size:9.0pt;
mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
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<td width=126 style='width:94.75pt;border-top:none;border-left:none;
border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
10.0pt'>FADD<o:p></o:p></span></p>
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<td width=168 style='width:126.0pt;border-top:none;border-left:none;
border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span style='font-size:9.0pt;mso-bidi-font-size:10.0pt;
font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>加实数</span><span lang=EN-US style='font-size:9.0pt;
mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
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<td width=279 style='width:209.25pt;border:none;border-bottom:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
10.0pt'>st(0) </span><span lang=EN-US><-</span><span lang=EN-US
style='font-size:9.0pt;mso-bidi-font-size:10.0pt'>st(0) + st(1)<o:p></o:p></span></p>
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<td width=126 style='width:94.75pt;border-top:none;border-left:none;
border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
10.0pt'>FADD src<o:p></o:p></span></p>
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<td width=168 style='width:126.0pt;border-top:none;border-left:none;
border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
padding:0cm 5.4pt 0cm 5.4pt'>
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<span
lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
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<td width=279 style='width:209.25pt;border:none;border-bottom:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
10.0pt'>st(0) </span><span lang=EN-US><-</span><span lang=EN-US
style='font-size:9.0pt;mso-bidi-font-size:10.0pt'>st(0) + src (mem32/mem64)<o:p></o:p></span></p>
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<td width=126 style='width:94.75pt;border-top:none;border-left:none;
border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
10.0pt'>FADD st(i),st<o:p></o:p></span></p>
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<td width=168 style='width:126.0pt;border-top:none;border-left:none;
border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
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padding:0cm 5.4pt 0cm 5.4pt'>
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<span
lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
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<td width=279 style='width:209.25pt;border:none;border-bottom:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
10.0pt'>st(i) </span><span lang=EN-US><-</span><span lang=EN-US
style='font-size:9.0pt;mso-bidi-font-size:10.0pt'> st(i) + st(0)<o:p></o:p></span></p>
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<td width=126 style='width:94.75pt;border-top:none;border-left:none;
border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
10.0pt'>FADDP st(i),st<span style="mso-spacerun: yes"> </span><o:p></o:p></span></p>
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<td width=168 style='width:126.0pt;border-top:none;border-left:none;
border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
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padding:0cm 5.4pt 0cm 5.4pt'>
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<span
lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
</td>
<td width=279 style='width:209.25pt;border:none;border-bottom:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
10.0pt'>st(i) </span><span lang=EN-US><-</span><span lang=EN-US
style='font-size:9.0pt;mso-bidi-font-size:10.0pt'> st(i) + st(0)</span><span
style='font-size:9.0pt;mso-bidi-font-size:10.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>;然后执行一次出栈操作</span><span
lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
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</tr>
<tr>
<td width=126 style='width:94.75pt;border-top:none;border-left:none;
border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
10.0pt'>FIADD src<span style="mso-spacerun: yes"> </span><o:p></o:p></span></p>
</td>
<td width=168 style='width:126.0pt;border-top:none;border-left:none;
border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span style='font-size:9.0pt;mso-bidi-font-size:10.0pt;
font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>加上一个整数</span><span lang=EN-US style='font-size:9.0pt;
mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
</td>
<td width=279 style='width:209.25pt;border:none;border-bottom:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
10.0pt'>st(0) </span><span lang=EN-US><-</span><span lang=EN-US
style='font-size:9.0pt;mso-bidi-font-size:10.0pt'>st(0) + src (mem16/mem32)<o:p></o:p></span></p>
</td>
</tr>
<tr>
<td width=573 colspan=3 style='width:430.0pt;border:none;border-bottom:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span style='font-size:9.0pt;mso-bidi-font-size:10.0pt;
font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>减法</span><span lang=EN-US style='font-size:9.0pt;
mso-bidi-font-size:10.0pt'> <o:p></o:p></span></p>
</td>
</tr>
<tr>
<td width=126 style='width:94.75pt;border-top:none;border-left:none;
border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
10.0pt'>FSUB<o:p></o:p></span></p>
</td>
<td width=168 style='width:126.0pt;border-top:none;border-left:none;
border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span style='font-size:9.0pt;mso-bidi-font-size:10.0pt;
font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>减去一个实数</span><span lang=EN-US style='font-size:9.0pt;
mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
</td>
<td width=279 style='width:209.25pt;border:none;border-bottom:solid windowtext .5pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
10.0pt'>st(0) </span><span lang=EN-US><-</span><spa
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