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- <a name="NDS32_002dOps"></a>
- <div class="header">
- <p>
- Previous: <a href="NDS32_002dRegs.html#NDS32_002dRegs" accesskey="p" rel="prev">NDS32-Regs</a>, Up: <a href="NDS32-Syntax.html#NDS32-Syntax" accesskey="u" rel="up">NDS32 Syntax</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p>
- </div>
- <hr>
- <a name="Pseudo-Instructions-1"></a>
- <h4 class="subsubsection">9.30.2.3 Pseudo Instructions</h4>
- <dl compact="compact">
- <dt><code>li rt5,imm32</code></dt>
- <dd><p>load 32-bit integer into register rt5. ‘<samp>sethi rt5,hi20(imm32)</samp>’ and then
- ‘<samp>ori rt5,reg,lo12(imm32)</samp>’.
- </p>
- </dd>
- <dt><code>la rt5,var</code></dt>
- <dd><p>Load 32-bit address of var into register rt5. ‘<samp>sethi rt5,hi20(var)</samp>’ and
- then ‘<samp>ori reg,rt5,lo12(var)</samp>’
- </p>
- </dd>
- <dt><code>l.[bhw] rt5,var</code></dt>
- <dd><p>Load value of var into register rt5. ‘<samp>sethi $ta,hi20(var)</samp>’ and then
- ‘<samp>l[bhw]i rt5,[$ta+lo12(var)]</samp>’
- </p>
- </dd>
- <dt><code>l.[bh]s rt5,var</code></dt>
- <dd><p>Load value of var into register rt5. ‘<samp>sethi $ta,hi20(var)</samp>’ and then
- ‘<samp>l[bh]si rt5,[$ta+lo12(var)]</samp>’
- </p>
- </dd>
- <dt><code>l.[bhw]p rt5,var,inc</code></dt>
- <dd><p>Load value of var into register rt5 and increment $ta by amount inc.
- ‘<samp>la $ta,var</samp>’ and then ‘<samp>l[bhw]i.bi rt5,[$ta],inc</samp>’
- </p>
- </dd>
- <dt><code>l.[bhw]pc rt5,inc</code></dt>
- <dd><p>Continue loading value of var into register rt5 and increment $ta by amount inc.
- ‘<samp>l[bhw]i.bi rt5,[$ta],inc.</samp>’
- </p>
- </dd>
- <dt><code>l.[bh]sp rt5,var,inc</code></dt>
- <dd><p>Load value of var into register rt5 and increment $ta by amount inc.
- ‘<samp>la $ta,var</samp>’ and then ‘<samp>l[bh]si.bi rt5,[$ta],inc</samp>’
- </p>
- </dd>
- <dt><code>l.[bh]spc rt5,inc</code></dt>
- <dd><p>Continue loading value of var into register rt5 and increment $ta by amount inc.
- ‘<samp>l[bh]si.bi rt5,[$ta],inc.</samp>’
- </p>
- </dd>
- <dt><code>s.[bhw] rt5,var</code></dt>
- <dd><p>Store register rt5 to var.
- ‘<samp>sethi $ta,hi20(var)</samp>’ and then ‘<samp>s[bhw]i rt5,[$ta+lo12(var)]</samp>’
- </p>
- </dd>
- <dt><code>s.[bhw]p rt5,var,inc</code></dt>
- <dd><p>Store register rt5 to var and increment $ta by amount inc.
- ‘<samp>la $ta,var</samp>’ and then ‘<samp>s[bhw]i.bi rt5,[$ta],inc</samp>’
- </p>
- </dd>
- <dt><code>s.[bhw]pc rt5,inc</code></dt>
- <dd><p>Continue storing register rt5 to var and increment $ta by amount inc.
- ‘<samp>s[bhw]i.bi rt5,[$ta],inc.</samp>’
- </p>
- </dd>
- <dt><code>not rt5,ra5</code></dt>
- <dd><p>Alias of ‘<samp>nor rt5,ra5,ra5</samp>’.
- </p>
- </dd>
- <dt><code>neg rt5,ra5</code></dt>
- <dd><p>Alias of ‘<samp>subri rt5,ra5,0</samp>’.
- </p>
- </dd>
- <dt><code>br rb5</code></dt>
- <dd><p>Depending on how it is assembled, it is translated into ‘<samp>r5 rb5</samp>’
- or ‘<samp>jr rb5</samp>’.
- </p>
- </dd>
- <dt><code>b label</code></dt>
- <dd><p>Branch to label depending on how it is assembled, it is translated into
- ‘<samp>j8 label</samp>’, ‘<samp>j label</samp>’, or "‘<samp>la $ta,label</samp>’ ‘<samp>br $ta</samp>’".
- </p>
- </dd>
- <dt><code>bral rb5</code></dt>
- <dd><p>Alias of jral br5 depending on how it is assembled, it is translated
- into ‘<samp>jral5 rb5</samp>’ or ‘<samp>jral rb5</samp>’.
- </p>
- </dd>
- <dt><code>bal fname</code></dt>
- <dd><p>Alias of jal fname depending on how it is assembled, it is translated into
- ‘<samp>jal fname</samp>’ or "‘<samp>la $ta,fname</samp>’ ‘<samp>bral $ta</samp>’".
- </p>
- </dd>
- <dt><code>call fname</code></dt>
- <dd><p>Call function fname same as ‘<samp>jal fname</samp>’.
- </p>
- </dd>
- <dt><code>move rt5,ra5</code></dt>
- <dd><p>For 16-bit, this is ‘<samp>mov55 rt5,ra5</samp>’.
- For no 16-bit, this is ‘<samp>ori rt5,ra5,0</samp>’.
- </p>
- </dd>
- <dt><code>move rt5,var</code></dt>
- <dd><p>This is the same as ‘<samp>l.w rt5,var</samp>’.
- </p>
- </dd>
- <dt><code>move rt5,imm32</code></dt>
- <dd><p>This is the same as ‘<samp>li rt5,imm32</samp>’.
- </p>
- </dd>
- <dt><code>pushm ra5,rb5</code></dt>
- <dd><p>Push contents of registers from ra5 to rb5 into stack.
- </p>
- </dd>
- <dt><code>push ra5</code></dt>
- <dd><p>Push content of register ra5 into stack. (same ‘<samp>pushm ra5,ra5</samp>’).
- </p>
- </dd>
- <dt><code>push.d var</code></dt>
- <dd><p>Push value of double-word variable var into stack.
- </p>
- </dd>
- <dt><code>push.w var</code></dt>
- <dd><p>Push value of word variable var into stack.
- </p>
- </dd>
- <dt><code>push.h var</code></dt>
- <dd><p>Push value of half-word variable var into stack.
- </p>
- </dd>
- <dt><code>push.b var</code></dt>
- <dd><p>Push value of byte variable var into stack.
- </p>
- </dd>
- <dt><code>pusha var</code></dt>
- <dd><p>Push 32-bit address of variable var into stack.
- </p>
- </dd>
- <dt><code>pushi imm32</code></dt>
- <dd><p>Push 32-bit immediate value into stack.
- </p>
- </dd>
- <dt><code>popm ra5,rb5</code></dt>
- <dd><p>Pop top of stack values into registers ra5 to rb5.
- </p>
- </dd>
- <dt><code>pop rt5</code></dt>
- <dd><p>Pop top of stack value into register. (same as ‘<samp>popm rt5,rt5</samp>’.)
- </p>
- </dd>
- <dt><code>pop.d var,ra5</code></dt>
- <dd><p>Pop value of double-word variable var from stack using register ra5
- as 2nd scratch register. (1st is $ta)
- </p>
- </dd>
- <dt><code>pop.w var,ra5</code></dt>
- <dd><p>Pop value of word variable var from stack using register ra5.
- </p>
- </dd>
- <dt><code>pop.h var,ra5</code></dt>
- <dd><p>Pop value of half-word variable var from stack using register ra5.
- </p>
- </dd>
- <dt><code>pop.b var,ra5</code></dt>
- <dd><p>Pop value of byte variable var from stack using register ra5.
- </p>
- </dd>
- </dl>
-
- <hr>
- <div class="header">
- <p>
- Previous: <a href="NDS32_002dRegs.html#NDS32_002dRegs" accesskey="p" rel="prev">NDS32-Regs</a>, Up: <a href="NDS32-Syntax.html#NDS32-Syntax" accesskey="u" rel="up">NDS32 Syntax</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p>
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