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This commit is contained in:
Kartik Agaram 2020-11-17 22:05:45 -08:00
parent 396a7ef691
commit 729800593a
2 changed files with 12 additions and 12 deletions
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12
html/mu_instructions.html generated
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@ -337,17 +337,17 @@ var/reg: (addr T) <span class="SpecialChar">&lt;-</span> address var2: T
<span class="muComment"># Array operations</span>
var/reg <span class="SpecialChar">&lt;-</span> index arr/rega: (addr array T), idx/regi: int
var/reg: (addr T) <span class="SpecialChar">&lt;-</span> index arr/rega: (addr array T), idx/regi: int
| if size-of(T) is <span class="Constant">1</span>, <span class="Constant">2</span>, <span class="Constant">4</span> or <span class="Constant">8</span>
=&gt; <span class="Constant">&quot;(__check-mu-array-bounds *&quot;</span> rega <span class="Constant">&quot; %&quot;</span> regi <span class="Constant">&quot; &quot;</span> size-of(T) <span class="Constant">&quot;)&quot;</span>
<span class="Constant">&quot;8d/copy-address *(&quot;</span> rega <span class="Constant">&quot;+&quot;</span> regi <span class="Constant">&quot;&lt;&lt;&quot;</span> log2(size-of(T)) <span class="Constant">&quot;+4) &quot;</span> reg <span class="Constant">&quot;/r32&quot;</span>
var/reg <span class="SpecialChar">&lt;-</span> index arr: (array T len), idx/regi: int
var/reg: (addr T) <span class="SpecialChar">&lt;-</span> index arr: (array T len), idx/regi: int
=&gt; <span class="Constant">&quot;(__check-mu-array-bounds *(ebp+&quot;</span> arr.stack-offset <span class="Constant">&quot;) %&quot;</span> regi <span class="Constant">&quot; &quot;</span> size-of(T) <span class="Constant">&quot;)&quot;</span>
<span class="Constant">&quot;8d/copy-address *(ebp+&quot;</span> regi <span class="Constant">&quot;&lt;&lt;&quot;</span> log2(size-of(T)) <span class="Constant">&quot;+&quot;</span> (arr.stack-offset + <span class="Constant">4</span>) <span class="Constant">&quot;) &quot;</span> reg <span class="Constant">&quot;/r32&quot;</span>
var/reg <span class="SpecialChar">&lt;-</span> index arr/rega: (addr array T), n
var/reg: (addr T) <span class="SpecialChar">&lt;-</span> index arr/rega: (addr array T), n
=&gt; <span class="Constant">&quot;(__check-mu-array-bounds *&quot;</span> rega <span class="Constant">&quot; &quot;</span> n <span class="Constant">&quot; &quot;</span> size-of(T) <span class="Constant">&quot;)&quot;</span>
<span class="Constant">&quot;8d/copy-address *(&quot;</span> rega <span class="Constant">&quot;+&quot;</span> (n*size-of(T)+<span class="Constant">4</span>) <span class="Constant">&quot;) &quot;</span> reg <span class="Constant">&quot;/r32&quot;</span>
var/reg <span class="SpecialChar">&lt;-</span> index arr: (array T len), n
var/reg: (addr T) <span class="SpecialChar">&lt;-</span> index arr: (array T len), n
=&gt; <span class="Constant">&quot;(__check-mu-array-bounds *(ebp+&quot;</span> arr.stack-offset <span class="Constant">&quot;) &quot;</span> n <span class="Constant">&quot; &quot;</span> size-of(T) <span class="Constant">&quot;)&quot;</span>
<span class="Constant">&quot;8d/copy-address *(ebp+&quot;</span> (arr.stack-offset+<span class="Constant">4</span>+n*size-of(T)) <span class="Constant">&quot;) &quot;</span> reg <span class="Constant">&quot;/r32&quot;</span>
@ -355,13 +355,13 @@ var/reg: (offset T) <span class="SpecialChar">&lt;-</span> compute-offset arr: (
=&gt; <span class="Constant">&quot;69/multiply %&quot;</span> regi <span class="Constant">&quot; &quot;</span> size-of(T) <span class="Constant">&quot;/imm32 &quot;</span> reg <span class="Constant">&quot;/r32&quot;</span>
var/reg: (offset T) <span class="SpecialChar">&lt;-</span> compute-offset arr: (addr array T), idx: int <span class="muComment"># arr can be in reg or mem</span>
=&gt; <span class="Constant">&quot;69/multiply *(ebp+&quot;</span> idx.stack-offset <span class="Constant">&quot;) &quot;</span> size-of(T) <span class="Constant">&quot;/imm32 &quot;</span> reg <span class="Constant">&quot;/r32&quot;</span>
var/reg <span class="SpecialChar">&lt;-</span> index arr/rega: (addr array T), o/rego: (offset T)
var/reg: (addr T) <span class="SpecialChar">&lt;-</span> index arr/rega: (addr array T), o/rego: (offset T)
=&gt; <span class="Constant">&quot;(__check-mu-array-bounds %&quot;</span> rega <span class="Constant">&quot; %&quot;</span> rego <span class="Constant">&quot; 1 \&quot;&quot; function-name &quot;</span>\<span class="Constant">&quot;)&quot;</span>
<span class="Constant">&quot;8d/copy-address *(&quot;</span> rega <span class="Constant">&quot;+&quot;</span> rego <span class="Constant">&quot;+4) &quot;</span> reg <span class="Constant">&quot;/r32&quot;</span>
Computing the length of an array is complex.
var/reg <span class="SpecialChar">&lt;-</span> length arr/reg2: (addr array T)
var/reg: int <span class="SpecialChar">&lt;-</span> length arr/reg2: (addr array T)
| if T is byte (TODO)
=&gt; <span class="Constant">&quot;8b/-&gt; *&quot;</span> reg2 <span class="Constant">&quot; &quot;</span> reg <span class="Constant">&quot;/r32&quot;</span>
| if size-of(T) is <span class="Constant">4</span> or <span class="Constant">8</span> or <span class="Constant">16</span> or <span class="Constant">32</span> or <span class="Constant">64</span> or <span class="Constant">128</span>

12
mu_instructions
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@ -313,17 +313,17 @@ var/reg: (addr T) <- address var2: T
# Array operations
var/reg <- index arr/rega: (addr array T), idx/regi: int
var/reg: (addr T) <- index arr/rega: (addr array T), idx/regi: int
| if size-of(T) is 1, 2, 4 or 8
=> "(__check-mu-array-bounds *" rega " %" regi " " size-of(T) ")"
"8d/copy-address *(" rega "+" regi "<<" log2(size-of(T)) "+4) " reg "/r32"
var/reg <- index arr: (array T len), idx/regi: int
var/reg: (addr T) <- index arr: (array T len), idx/regi: int
=> "(__check-mu-array-bounds *(ebp+" arr.stack-offset ") %" regi " " size-of(T) ")"
"8d/copy-address *(ebp+" regi "<<" log2(size-of(T)) "+" (arr.stack-offset + 4) ") " reg "/r32"
var/reg <- index arr/rega: (addr array T), n
var/reg: (addr T) <- index arr/rega: (addr array T), n
=> "(__check-mu-array-bounds *" rega " " n " " size-of(T) ")"
"8d/copy-address *(" rega "+" (n*size-of(T)+4) ") " reg "/r32"
var/reg <- index arr: (array T len), n
var/reg: (addr T) <- index arr: (array T len), n
=> "(__check-mu-array-bounds *(ebp+" arr.stack-offset ") " n " " size-of(T) ")"
"8d/copy-address *(ebp+" (arr.stack-offset+4+n*size-of(T)) ") " reg "/r32"
@ -331,13 +331,13 @@ var/reg: (offset T) <- compute-offset arr: (addr array T), idx/regi: int # arr
=> "69/multiply %" regi " " size-of(T) "/imm32 " reg "/r32"
var/reg: (offset T) <- compute-offset arr: (addr array T), idx: int # arr can be in reg or mem
=> "69/multiply *(ebp+" idx.stack-offset ") " size-of(T) "/imm32 " reg "/r32"
var/reg <- index arr/rega: (addr array T), o/rego: (offset T)
var/reg: (addr T) <- index arr/rega: (addr array T), o/rego: (offset T)
=> "(__check-mu-array-bounds %" rega " %" rego " 1 \"" function-name "\")"
"8d/copy-address *(" rega "+" rego "+4) " reg "/r32"
Computing the length of an array is complex.
var/reg <- length arr/reg2: (addr array T)
var/reg: int <- length arr/reg2: (addr array T)
| if T is byte (TODO)
=> "8b/-> *" reg2 " " reg "/r32"
| if size-of(T) is 4 or 8 or 16 or 32 or 64 or 128