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authorKartik Agaram <vc@akkartik.com>2020-01-16 18:31:12 -0800
committerKartik Agaram <vc@akkartik.com>2020-01-16 18:31:12 -0800
commit6070c23e5e1c60d3bb169e43bddfa59b1d322427 (patch)
tree9a70e378c33c15e4779cf94abda8f37c35a5d1da /html/077subx-words.subx.html
parent5a6601aba973ba1d1ef30b7b64438c25623b89c5 (diff)
downloadmu-6070c23e5e1c60d3bb169e43bddfa59b1d322427.tar.gz
5897 - rename comparison instructions
Signed and unsigned don't quite capture the essence of what the different
combinations of x86 flags are doing for SubX. The crucial distinction is
that one set of comparison operators is for integers and the second is
for addresses.
Diffstat (limited to 'html/077subx-words.subx.html')
-rw-r--r--html/077subx-words.subx.html16
1 files changed, 8 insertions, 8 deletions
diff --git a/html/077subx-words.subx.html b/html/077subx-words.subx.html
index 1ea0b967..eac8cad4 100644
--- a/html/077subx-words.subx.html
+++ b/html/077subx-words.subx.html
@@ -121,7 +121,7 @@ if ('onhashchange' in window) {
 <span id="L62" class="LineNr"> 62 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
 <span id="L63" class="LineNr"> 63 </span>    <span class="subxS1Comment"># . if (eax != false) return false</span>
 <span id="L64" class="LineNr"> 64 </span>    3d/compare-eax-and  0/imm32/false
-<span id="L65" class="LineNr"> 65 </span>    75/jump-if-not-equal  $has-metadata?:false/disp8
+<span id="L65" class="LineNr"> 65 </span>    75/jump-if-!=  $has-metadata?:false/disp8
 <span id="L66" class="LineNr"> 66 </span>    <span class="subxComment"># if (slice-equal?(twig, s)) return true</span>
 <span id="L67" class="LineNr"> 67 </span>    <span class="subxS1Comment"># . eax = slice-equal?(twig, s)</span>
 <span id="L68" class="LineNr"> 68 </span>    <span class="subxS2Comment"># . . push args</span>
@@ -134,7 +134,7 @@ if ('onhashchange' in window) {
 <span id="L75" class="LineNr"> 75 </span>    <span class="subxS1Comment"># . if (eax != false) return true</span>
 <span id="L76" class="LineNr"> 76 </span>    3d/compare-eax-and  0/imm32/false
 <span id="L77" class="LineNr"> 77 </span>    <span class="subxComment"># eax already contains true</span>
-<span id="L78" class="LineNr"> 78 </span>    75/jump-if-not-equal  $has-metadata?:end/disp8
+<span id="L78" class="LineNr"> 78 </span>    75/jump-if-!=  $has-metadata?:end/disp8
 <span id="L79" class="LineNr"> 79 </span>    eb/jump  $has-metadata?:<span class="Constant">loop</span>/disp8
 <span id="L80" class="LineNr"> 80 </span><span class="Constant">$has-metadata?:false</span>:
 <span id="L81" class="LineNr"> 81 </span>    b8/copy-to-eax  0/imm32/false
@@ -348,29 +348,29 @@ if ('onhashchange' in window) {
 <span id="L289" class="LineNr">289 </span><span class="Constant">$is-valid-name?:check0</span>:
 <span id="L290" class="LineNr">290 </span>    <span class="subxComment"># if (start &gt;= in-&gt;end) return false</span>
 <span id="L291" class="LineNr">291 </span>    3b/compare                      1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># compare ecx with *(esi+4)</span>
-<span id="L292" class="LineNr">292 </span>    73/jump-if-greater-or-equal-unsigned  $is-valid-name?:false/disp8
+<span id="L292" class="LineNr">292 </span>    73/jump-if-addr&gt;=  $is-valid-name?:false/disp8
 <span id="L293" class="LineNr">293 </span><span class="Constant">$is-valid-name?:check1</span>:
 <span id="L294" class="LineNr">294 </span>    <span class="subxComment"># var len/eax : int = in-&gt;end - start</span>
 <span id="L295" class="LineNr">295 </span>    8b/copy                         1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(esi+4) to eax</span>
 <span id="L296" class="LineNr">296 </span>    29/subtract                     3/mod/direct    0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># subtract ecx from eax</span>
 <span id="L297" class="LineNr">297 </span>    <span class="subxComment"># if (eax == 2) return false</span>
 <span id="L298" class="LineNr">298 </span>    3d/compare-eax-and  2/imm32
-<span id="L299" class="LineNr">299 </span>    74/jump-if-equal  $is-valid-name?:false/disp8
+<span id="L299" class="LineNr">299 </span>    74/jump-if-=  $is-valid-name?:false/disp8
 <span id="L300" class="LineNr">300 </span><span class="Constant">$is-valid-name?:check2</span>:
 <span id="L301" class="LineNr">301 </span>    <span class="subxComment"># var c/eax : (addr byte) = *start</span>
 <span id="L302" class="LineNr">302 </span>    31/xor                          3/mod/direct    0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># clear eax</span>
 <span id="L303" class="LineNr">303 </span>    8a/copy-byte                    0/mod/indirect  1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/AL   <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy byte at *ecx to AL</span>
 <span id="L304" class="LineNr">304 </span>    <span class="subxComment"># if (c == &quot;-&quot;) return false</span>
 <span id="L305" class="LineNr">305 </span>    3d/compare-eax-and  2d/imm32/-
-<span id="L306" class="LineNr">306 </span>    74/jump-if-equal  $is-valid-name?:false/disp8
+<span id="L306" class="LineNr">306 </span>    74/jump-if-=  $is-valid-name?:false/disp8
 <span id="L307" class="LineNr">307 </span><span class="Constant">$is-valid-name?:check3a</span>:
 <span id="L308" class="LineNr">308 </span>    <span class="subxComment"># if (c &lt; &quot;0&quot;) return true</span>
 <span id="L309" class="LineNr">309 </span>    3d/compare-eax-with  30/imm32/0
-<span id="L310" class="LineNr">310 </span>    7c/jump-if-lesser  $is-valid-name?:true/disp8
+<span id="L310" class="LineNr">310 </span>    7c/jump-if-&lt;  $is-valid-name?:true/disp8
 <span id="L311" class="LineNr">311 </span><span class="Constant">$is-valid-name?:check3b</span>:
 <span id="L312" class="LineNr">312 </span>    <span class="subxComment"># if (c &gt; &quot;9&quot;) return true</span>
 <span id="L313" class="LineNr">313 </span>    3d/compare-eax-with  39/imm32/9
-<span id="L314" class="LineNr">314 </span>    7f/jump-if-greater  $is-valid-name?:true/disp8
+<span id="L314" class="LineNr">314 </span>    7f/jump-if-&gt;  $is-valid-name?:true/disp8
 <span id="L315" class="LineNr">315 </span><span class="Constant">$is-valid-name?:false</span>:
 <span id="L316" class="LineNr">316 </span>    <span class="subxComment"># return false</span>
 <span id="L317" class="LineNr">317 </span>    b8/copy-to-eax  0/imm32/false
@@ -608,7 +608,7 @@ if ('onhashchange' in window) {
 <span id="L549" class="LineNr">549 </span>    <span class="subxS1Comment"># . return (eax == ':')</span>
 <span id="L550" class="LineNr">550 </span>    3d/compare-eax-and  0x3a/imm32/colon
 <span id="L551" class="LineNr">551 </span>    b8/copy-to-eax  1/imm32/true
-<span id="L552" class="LineNr">552 </span>    74/jump-if-equal  $is-label?:end/disp8
+<span id="L552" class="LineNr">552 </span>    74/jump-if-=  $is-label?:end/disp8
 <span id="L553" class="LineNr">553 </span>    b8/copy-to-eax  0/imm32/false
 <span id="L554" class="LineNr">554 </span><span class="Constant">$is-label?:end</span>:
 <span id="L555" class="LineNr">555 </span>    <span class="subxS1Comment"># . restore registers</span>