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| author | Kartik Agaram <vc@akkartik.com> | 2020-11-02 21:24:53 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2020-11-02 21:24:53 -0800 |
| commit | 3d1c4216ede8c628558c9fe700fb2be1aa08b473 (patch) | |
| tree | 9d566827573d2b329a4872762c025a646fe2729d /html/apps/factorial4.subx.html | |
| parent | 571ad49190f17272bd7665ba09b5f14c86b1e649 (diff) | |
| download | mu-3d1c4216ede8c628558c9fe700fb2be1aa08b473.tar.gz | |
7162
Diffstat (limited to 'html/apps/factorial4.subx.html')
| -rw-r--r-- | html/apps/factorial4.subx.html | 105 |
1 files changed, 52 insertions, 53 deletions
diff --git a/html/apps/factorial4.subx.html b/html/apps/factorial4.subx.html index 7c770ea7..ac994117 100644 --- a/html/apps/factorial4.subx.html +++ b/html/apps/factorial4.subx.html @@ -80,7 +80,7 @@ if ('onhashchange' in window) { <span id="L22" class="LineNr">22 </span> <span id="L23" class="LineNr">23 </span>== code <span id="L24" class="LineNr">24 </span> -<span id="L25" class="LineNr">25 </span><span class="subxFunction">factorial</span>: <span class="subxComment"># n: int -> int/eax</span> +<span id="L25" class="LineNr">25 </span><span class="subxFunction">factorial</span>: <span class="subxComment"># n: int -> _/eax: int</span> <span id="L26" class="LineNr">26 </span> <span class="subxS1Comment"># . prologue</span> <span id="L27" class="LineNr">27 </span> 55/push-ebp <span id="L28" class="LineNr">28 </span> 89/<- %ebp 4/r32/esp @@ -91,60 +91,59 @@ if ('onhashchange' in window) { <span id="L33" class="LineNr">33 </span> { <span id="L34" class="LineNr">34 </span> 7f/jump-if-> <span class="Constant">break</span>/disp8 <span id="L35" class="LineNr">35 </span> b8/copy-to-eax 1/imm32 -<span id="L36" class="LineNr">36 </span> } -<span id="L37" class="LineNr">37 </span> <span class="subxComment"># if (n > 1) return n * factorial(n-1)</span> -<span id="L38" class="LineNr">38 </span> { -<span id="L39" class="LineNr">39 </span> 7e/jump-if-<= <span class="Constant">break</span>/disp8 -<span id="L40" class="LineNr">40 </span> <span class="subxComment"># var tmp/ecx: int = n-1</span> -<span id="L41" class="LineNr">41 </span> 8b/-> *(ebp+8) 1/r32/ecx -<span id="L42" class="LineNr">42 </span> 49/decrement-ecx -<span id="L43" class="LineNr">43 </span> (<a href='factorial4.subx.html#L25'>factorial</a> %ecx) <span class="subxComment"># => eax</span> -<span id="L44" class="LineNr">44 </span> f7 4/subop/multiply-into-eax *(ebp+8) -<span id="L45" class="LineNr">45 </span> } -<span id="L46" class="LineNr">46 </span> <span class="subxComment"># restore registers</span> -<span id="L47" class="LineNr">47 </span> 59/pop-to-ecx -<span id="L48" class="LineNr">48 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L49" class="LineNr">49 </span> 89/<- %esp 5/r32/ebp -<span id="L50" class="LineNr">50 </span> 5d/pop-to-ebp -<span id="L51" class="LineNr">51 </span> c3/return -<span id="L52" class="LineNr">52 </span> -<span id="L53" class="LineNr">53 </span><span class="subxTest">test-factorial</span>: -<span id="L54" class="LineNr">54 </span> (<a href='factorial4.subx.html#L25'>factorial</a> 5) -<span id="L55" class="LineNr">55 </span> (<a href='../102test.subx.html#L23'>check-ints-equal</a> %eax 0x78 <span class="Constant">"F - test-factorial"</span>) -<span id="L56" class="LineNr">56 </span> c3/return -<span id="L57" class="LineNr">57 </span> -<span id="L58" class="LineNr">58 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># run tests if necessary, compute `factorial(5)` if not</span> -<span id="L59" class="LineNr">59 </span> <span class="subxS1Comment"># . prologue</span> -<span id="L60" class="LineNr">60 </span> 89/<- %ebp 4/r32/esp -<span id="L61" class="LineNr">61 </span> -<span id="L62" class="LineNr">62 </span> <span class="subxComment"># initialize heap (needed by tests elsewhere)</span> -<span id="L63" class="LineNr">63 </span> (<a href='../104new-segment.subx.html#L40'>new-segment</a> *<span class="SpecialChar"><a href='../120allocate.subx.html#L34'>Heap-size</a></span> <span class="SpecialChar"><a href='../120allocate.subx.html#L27'>Heap</a></span>) -<span id="L64" class="LineNr">64 </span> -<span id="L65" class="LineNr">65 </span> <span class="subxComment"># if (argc <= 1) return factorial(5)</span> -<span id="L66" class="LineNr">66 </span> { -<span id="L67" class="LineNr">67 </span> <span class="subxComment"># if (argc > 1) break</span> -<span id="L68" class="LineNr">68 </span> 81 7/subop/compare *ebp 1/imm32 -<span id="L69" class="LineNr">69 </span> 7f/jump-if-> <span class="Constant">break</span>/disp8 -<span id="L70" class="LineNr">70 </span> <span class="subxComment"># ebx = factorial(5)</span> -<span id="L71" class="LineNr">71 </span> (<a href='factorial4.subx.html#L25'>factorial</a> 5) <span class="subxComment"># => eax</span> -<span id="L72" class="LineNr">72 </span> 89/<- %ebx 0/r32/eax +<span id="L36" class="LineNr">36 </span> eb/jump $factorial:end/disp8 +<span id="L37" class="LineNr">37 </span> } +<span id="L38" class="LineNr">38 </span> <span class="subxComment"># n > 1; return n * factorial(n-1)</span> +<span id="L39" class="LineNr">39 </span> 8b/-> *(ebp+8) 1/r32/ecx +<span id="L40" class="LineNr">40 </span> 49/decrement-ecx +<span id="L41" class="LineNr">41 </span> (<a href='factorial4.subx.html#L25'>factorial</a> %ecx) <span class="subxComment"># => eax</span> +<span id="L42" class="LineNr">42 </span> f7 4/subop/multiply-into-eax *(ebp+8) +<span id="L43" class="LineNr">43 </span> <span class="subxComment"># TODO: check for overflow</span> +<span id="L44" class="LineNr">44 </span><span class="Constant">$factorial:end</span>: +<span id="L45" class="LineNr">45 </span> <span class="subxComment"># restore registers</span> +<span id="L46" class="LineNr">46 </span> 59/pop-to-ecx +<span id="L47" class="LineNr">47 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L48" class="LineNr">48 </span> 89/<- %esp 5/r32/ebp +<span id="L49" class="LineNr">49 </span> 5d/pop-to-ebp +<span id="L50" class="LineNr">50 </span> c3/return +<span id="L51" class="LineNr">51 </span> +<span id="L52" class="LineNr">52 </span><span class="subxTest">test-factorial</span>: +<span id="L53" class="LineNr">53 </span> (<a href='factorial4.subx.html#L25'>factorial</a> 5) +<span id="L54" class="LineNr">54 </span> (<a href='../102test.subx.html#L23'>check-ints-equal</a> %eax 0x78 <span class="Constant">"F - test-factorial"</span>) +<span id="L55" class="LineNr">55 </span> c3/return +<span id="L56" class="LineNr">56 </span> +<span id="L57" class="LineNr">57 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># run tests if necessary, compute `factorial(5)` if not</span> +<span id="L58" class="LineNr">58 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L59" class="LineNr">59 </span> 89/<- %ebp 4/r32/esp +<span id="L60" class="LineNr">60 </span> +<span id="L61" class="LineNr">61 </span> <span class="subxComment"># initialize heap (needed by tests elsewhere)</span> +<span id="L62" class="LineNr">62 </span> (<a href='../104new-segment.subx.html#L40'>new-segment</a> *<span class="SpecialChar"><a href='../120allocate.subx.html#L34'>Heap-size</a></span> <span class="SpecialChar"><a href='../120allocate.subx.html#L27'>Heap</a></span>) +<span id="L63" class="LineNr">63 </span> +<span id="L64" class="LineNr">64 </span> <span class="subxComment"># if (argc <= 1) return factorial(5)</span> +<span id="L65" class="LineNr">65 </span> { +<span id="L66" class="LineNr">66 </span> <span class="subxComment"># if (argc > 1) break</span> +<span id="L67" class="LineNr">67 </span> 81 7/subop/compare *ebp 1/imm32 +<span id="L68" class="LineNr">68 </span> 7f/jump-if-> <span class="Constant">break</span>/disp8 +<span id="L69" class="LineNr">69 </span> <span class="subxComment"># ebx = factorial(5)</span> +<span id="L70" class="LineNr">70 </span> (<a href='factorial4.subx.html#L25'>factorial</a> 5) <span class="subxComment"># => eax</span> +<span id="L71" class="LineNr">71 </span> 89/<- %ebx 0/r32/eax +<span id="L72" class="LineNr">72 </span> eb/jump $main:end/disp8 <span id="L73" class="LineNr">73 </span> } -<span id="L74" class="LineNr">74 </span> <span class="subxComment"># otherwise if an arg exists and is "test", then return run_tests()</span> +<span id="L74" class="LineNr">74 </span> <span class="subxComment"># otherwise if first arg is "test", then return run_tests()</span> <span id="L75" class="LineNr">75 </span> { -<span id="L76" class="LineNr">76 </span> <span class="subxComment"># if (argc <= 1) break</span> -<span id="L77" class="LineNr">77 </span> 81 7/subop/compare *ebp 1/imm32 -<span id="L78" class="LineNr">78 </span> 7e/jump-if-<= <span class="Constant">break</span>/disp8 -<span id="L79" class="LineNr">79 </span> <span class="subxComment"># if (!kernel-string-equal?(argv[1], "test")) break</span> -<span id="L80" class="LineNr">80 </span> (<a href='../103kernel-string-equal.subx.html#L31'>kernel-string-equal?</a> *(ebp+8) <span class="Constant">"test"</span>) <span class="subxComment"># => eax</span> -<span id="L81" class="LineNr">81 </span> 3d/compare-eax-and 0/imm32/false -<span id="L82" class="LineNr">82 </span> 74/jump-if-= <span class="Constant">break</span>/disp8 -<span id="L83" class="LineNr">83 </span> <span class="subxComment">#</span> -<span id="L84" class="LineNr">84 </span> (run-tests) -<span id="L85" class="LineNr">85 </span> <span class="subxComment"># ebx = *Num-test-failures</span> -<span id="L86" class="LineNr">86 </span> 8b/-> *<span class="SpecialChar"><a href='../102test.subx.html#L89'>Num-test-failures</a></span> 3/r32/ebx -<span id="L87" class="LineNr">87 </span> } -<span id="L88" class="LineNr">88 </span> -<span id="L89" class="LineNr">89 </span> e8/call syscall_exit/disp32 +<span id="L76" class="LineNr">76 </span> <span class="subxComment"># if (!kernel-string-equal?(argv[1], "test")) break</span> +<span id="L77" class="LineNr">77 </span> (<a href='../103kernel-string-equal.subx.html#L31'>kernel-string-equal?</a> *(ebp+8) <span class="Constant">"test"</span>) <span class="subxComment"># => eax</span> +<span id="L78" class="LineNr">78 </span> 3d/compare-eax-and 0/imm32/false +<span id="L79" class="LineNr">79 </span> 74/jump-if-= <span class="Constant">break</span>/disp8 +<span id="L80" class="LineNr">80 </span> <span class="subxComment">#</span> +<span id="L81" class="LineNr">81 </span> (run-tests) +<span id="L82" class="LineNr">82 </span> <span class="subxComment"># exit(*Num-test-failures)</span> +<span id="L83" class="LineNr">83 </span> 8b/-> *<span class="SpecialChar"><a href='../102test.subx.html#L89'>Num-test-failures</a></span> 3/r32/ebx +<span id="L84" class="LineNr">84 </span> eb/jump $main:end/disp8 +<span id="L85" class="LineNr">85 </span> } +<span id="L86" class="LineNr">86 </span> bb/copy-to-ebx 0/imm32 +<span id="L87" class="LineNr">87 </span><span class="Constant">$main:end</span>: +<span id="L88" class="LineNr">88 </span> e8/call syscall_exit/disp32 </pre> </body> </html> |