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<h1>gc_spu_macs.h</h1> </div>
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<a href="gc__spu__macs_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- asm -*- */</span>
<a name="l00002"></a>00002 <span class="comment">/*</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright 2008 Free Software Foundation, Inc.</span>
<a name="l00004"></a>00004 <span class="comment"> * </span>
<a name="l00005"></a>00005 <span class="comment"> * This file is part of GNU Radio</span>
<a name="l00006"></a>00006 <span class="comment"> * </span>
<a name="l00007"></a>00007 <span class="comment"> * GNU Radio is free software; you can redistribute it and/or modify</span>
<a name="l00008"></a>00008 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00009"></a>00009 <span class="comment"> * the Free Software Foundation; either version 3, or (at your option)</span>
<a name="l00010"></a>00010 <span class="comment"> * any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> * </span>
<a name="l00012"></a>00012 <span class="comment"> * GNU Radio is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00015"></a>00015 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> * </span>
<a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU General Public License along</span>
<a name="l00018"></a>00018 <span class="comment"> * with this program; if not, write to the Free Software Foundation, Inc.,</span>
<a name="l00019"></a>00019 <span class="comment"> * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.</span>
<a name="l00020"></a>00020 <span class="comment"> */</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#ifndef INCLUDED_GC_SPU_MACS_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_GC_SPU_MACS_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span>
<a name="l00025"></a>00025 <span class="comment">/*</span>
<a name="l00026"></a>00026 <span class="comment"> * This file contains a set of macros that are generally useful when</span>
<a name="l00027"></a>00027 <span class="comment"> * coding in SPU assembler</span>
<a name="l00028"></a>00028 <span class="comment"> *</span>
<a name="l00029"></a>00029 <span class="comment"> * Note that the multi-instruction macros in here may overwrite</span>
<a name="l00030"></a>00030 <span class="comment"> * registers 77, 78, and 79 without warning.</span>
<a name="l00031"></a>00031 <span class="comment"> */</span>
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="comment">/*</span>
<a name="l00034"></a>00034 <span class="comment"> * defines for all registers</span>
<a name="l00035"></a>00035 <span class="comment"> */</span>
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<a name="l00113"></a><a class="code" href="gc__spu__macs_8h.html#a792e01cd73c32988989e683fd0fa349a">00113</a> <span class="preprocessor"></span><span class="preprocessor">#define r77 $77</span>
<a name="l00114"></a><a class="code" href="gc__spu__macs_8h.html#ad102ab20e4a1689b652e49e107c4511f">00114</a> <span class="preprocessor"></span><span class="preprocessor">#define r78 $78</span>
<a name="l00115"></a><a class="code" href="gc__spu__macs_8h.html#a0a0f1de104d528899501da8d71497465">00115</a> <span class="preprocessor"></span><span class="preprocessor">#define r79 $79</span>
<a name="l00116"></a><a class="code" href="gc__spu__macs_8h.html#a8bb658e0fa6d37fbb8c43e5e1e456025">00116</a> <span class="preprocessor"></span><span class="preprocessor">#define r80 $80</span>
<a name="l00117"></a><a class="code" href="gc__spu__macs_8h.html#a77779b029999dacb12df8cae96bff73b">00117</a> <span class="preprocessor"></span><span class="preprocessor">#define r81 $81</span>
<a name="l00118"></a><a class="code" href="gc__spu__macs_8h.html#a51686d6e2eabfc10aed17e74f6f85479">00118</a> <span class="preprocessor"></span><span class="preprocessor">#define r82 $82</span>
<a name="l00119"></a><a class="code" href="gc__spu__macs_8h.html#a49b3b92044a70fc7ba5997b5d664d302">00119</a> <span class="preprocessor"></span><span class="preprocessor">#define r83 $83</span>
<a name="l00120"></a><a class="code" href="gc__spu__macs_8h.html#a70f66d9595daf470f36375a55a6c6574">00120</a> <span class="preprocessor"></span><span class="preprocessor">#define r84 $84</span>
<a name="l00121"></a><a class="code" href="gc__spu__macs_8h.html#a6ea38380181f8311b2d5f5df2c258aca">00121</a> <span class="preprocessor"></span><span class="preprocessor">#define r85 $85</span>
<a name="l00122"></a><a class="code" href="gc__spu__macs_8h.html#ae091d308f08a949cc3d801424ec5d00c">00122</a> <span class="preprocessor"></span><span class="preprocessor">#define r86 $86</span>
<a name="l00123"></a><a class="code" href="gc__spu__macs_8h.html#a2159232358fe08ebecd834f75848bbb9">00123</a> <span class="preprocessor"></span><span class="preprocessor">#define r87 $87</span>
<a name="l00124"></a><a class="code" href="gc__spu__macs_8h.html#a270c785ab8d9cce93b0fef19b6c6155e">00124</a> <span class="preprocessor"></span><span class="preprocessor">#define r88 $88</span>
<a name="l00125"></a><a class="code" href="gc__spu__macs_8h.html#a2b8cacde374d7d0a4e7e5529105fc9eb">00125</a> <span class="preprocessor"></span><span class="preprocessor">#define r89 $89</span>
<a name="l00126"></a><a class="code" href="gc__spu__macs_8h.html#a9b1a671fa1b7c2654a051a976e95afab">00126</a> <span class="preprocessor"></span><span class="preprocessor">#define r90 $90</span>
<a name="l00127"></a><a class="code" href="gc__spu__macs_8h.html#ad538a9be2ce6086801ff1b6ffc428b21">00127</a> <span class="preprocessor"></span><span class="preprocessor">#define r91 $91</span>
<a name="l00128"></a><a class="code" href="gc__spu__macs_8h.html#a43aad5829b352e48aecb380981d9db37">00128</a> <span class="preprocessor"></span><span class="preprocessor">#define r92 $92</span>
<a name="l00129"></a><a class="code" href="gc__spu__macs_8h.html#abe83809b9efcd5b1e9ede958b3fc0c2c">00129</a> <span class="preprocessor"></span><span class="preprocessor">#define r93 $93</span>
<a name="l00130"></a><a class="code" href="gc__spu__macs_8h.html#a05130405c765316d2228e94c289f44d8">00130</a> <span class="preprocessor"></span><span class="preprocessor">#define r94 $94</span>
<a name="l00131"></a><a class="code" href="gc__spu__macs_8h.html#a685d4d21f90a7b95cdb7606aeba3a80d">00131</a> <span class="preprocessor"></span><span class="preprocessor">#define r95 $95</span>
<a name="l00132"></a><a class="code" href="gc__spu__macs_8h.html#a7707fc2f332483495280505cc0182e0e">00132</a> <span class="preprocessor"></span><span class="preprocessor">#define r96 $96</span>
<a name="l00133"></a><a class="code" href="gc__spu__macs_8h.html#ab095016977b8029de02e07175223ea22">00133</a> <span class="preprocessor"></span><span class="preprocessor">#define r97 $97</span>
<a name="l00134"></a><a class="code" href="gc__spu__macs_8h.html#afe951a3a7f7231850c58d499d957c541">00134</a> <span class="preprocessor"></span><span class="preprocessor">#define r98 $98</span>
<a name="l00135"></a><a class="code" href="gc__spu__macs_8h.html#a52f113d748142f2fc6d691b2e637b372">00135</a> <span class="preprocessor"></span><span class="preprocessor">#define r99 $99</span>
<a name="l00136"></a><a class="code" href="gc__spu__macs_8h.html#a9ee0ac1e84e9e9ad56e3b3543fcdf9e9">00136</a> <span class="preprocessor"></span><span class="preprocessor">#define r100 $100</span>
<a name="l00137"></a><a class="code" href="gc__spu__macs_8h.html#a7af0c3ac372f53b7bc7438deea2afbf1">00137</a> <span class="preprocessor"></span><span class="preprocessor">#define r101 $101</span>
<a name="l00138"></a><a class="code" href="gc__spu__macs_8h.html#aafa2db456289229cce771e201d5cf074">00138</a> <span class="preprocessor"></span><span class="preprocessor">#define r102 $102</span>
<a name="l00139"></a><a class="code" href="gc__spu__macs_8h.html#adc7b58308a6e72f917542c32da51a918">00139</a> <span class="preprocessor"></span><span class="preprocessor">#define r103 $103</span>
<a name="l00140"></a><a class="code" href="gc__spu__macs_8h.html#a132bb90eda9ad7c3438ef53d2607a7a9">00140</a> <span class="preprocessor"></span><span class="preprocessor">#define r104 $104</span>
<a name="l00141"></a><a class="code" href="gc__spu__macs_8h.html#a722d04d1abd59e9e2f312bde22e37a52">00141</a> <span class="preprocessor"></span><span class="preprocessor">#define r105 $105</span>
<a name="l00142"></a><a class="code" href="gc__spu__macs_8h.html#a59c49443ebff68644b40f958ef00c80b">00142</a> <span class="preprocessor"></span><span class="preprocessor">#define r106 $106</span>
<a name="l00143"></a><a class="code" href="gc__spu__macs_8h.html#abc4e747c49a52b0fce64942d28c28290">00143</a> <span class="preprocessor"></span><span class="preprocessor">#define r107 $107</span>
<a name="l00144"></a><a class="code" href="gc__spu__macs_8h.html#a81d5c2f6a1ca9c28a537d384a0ff2e7c">00144</a> <span class="preprocessor"></span><span class="preprocessor">#define r108 $108</span>
<a name="l00145"></a><a class="code" href="gc__spu__macs_8h.html#af6841f9924d917e9b4d257687dda5a94">00145</a> <span class="preprocessor"></span><span class="preprocessor">#define r109 $109</span>
<a name="l00146"></a><a class="code" href="gc__spu__macs_8h.html#a597c4112a4d85b83fc3a183e423369d8">00146</a> <span class="preprocessor"></span><span class="preprocessor">#define r110 $110</span>
<a name="l00147"></a><a class="code" href="gc__spu__macs_8h.html#ac969cbc6b54f394c118b899194f9a3d9">00147</a> <span class="preprocessor"></span><span class="preprocessor">#define r111 $111</span>
<a name="l00148"></a><a class="code" href="gc__spu__macs_8h.html#a58e5f5d007fdf5f647a6d505b5f52c34">00148</a> <span class="preprocessor"></span><span class="preprocessor">#define r112 $112</span>
<a name="l00149"></a><a class="code" href="gc__spu__macs_8h.html#a8de4c8c38ab2b98298c3c7280f8b6f7d">00149</a> <span class="preprocessor"></span><span class="preprocessor">#define r113 $113</span>
<a name="l00150"></a><a class="code" href="gc__spu__macs_8h.html#aaa45cf94492dfe0db0a467384165c76a">00150</a> <span class="preprocessor"></span><span class="preprocessor">#define r114 $114</span>
<a name="l00151"></a><a class="code" href="gc__spu__macs_8h.html#abef42fa8a292616ab6c1d7ea22ca0ef2">00151</a> <span class="preprocessor"></span><span class="preprocessor">#define r115 $115</span>
<a name="l00152"></a><a class="code" href="gc__spu__macs_8h.html#aa20af671898f36f50c51cbb22960808f">00152</a> <span class="preprocessor"></span><span class="preprocessor">#define r116 $116</span>
<a name="l00153"></a><a class="code" href="gc__spu__macs_8h.html#a4b504886255242bb2d9c6131c6abca14">00153</a> <span class="preprocessor"></span><span class="preprocessor">#define r117 $117</span>
<a name="l00154"></a><a class="code" href="gc__spu__macs_8h.html#a4091f3001fc799de332b12198834855f">00154</a> <span class="preprocessor"></span><span class="preprocessor">#define r118 $118</span>
<a name="l00155"></a><a class="code" href="gc__spu__macs_8h.html#a500ad6a2b191f1ac98b71550da389778">00155</a> <span class="preprocessor"></span><span class="preprocessor">#define r119 $119</span>
<a name="l00156"></a><a class="code" href="gc__spu__macs_8h.html#a6c01e791f8b83b569436251a8d676402">00156</a> <span class="preprocessor"></span><span class="preprocessor">#define r120 $120</span>
<a name="l00157"></a><a class="code" href="gc__spu__macs_8h.html#a37e314d4bec7ddfe03f57985fee0b3bc">00157</a> <span class="preprocessor"></span><span class="preprocessor">#define r121 $121</span>
<a name="l00158"></a><a class="code" href="gc__spu__macs_8h.html#a5591851136f8845c91b8cc649f752331">00158</a> <span class="preprocessor"></span><span class="preprocessor">#define r122 $122</span>
<a name="l00159"></a><a class="code" href="gc__spu__macs_8h.html#a91217a8a9cea8bcc40a6f20d1c4ae7be">00159</a> <span class="preprocessor"></span><span class="preprocessor">#define r123 $123</span>
<a name="l00160"></a><a class="code" href="gc__spu__macs_8h.html#ac0143716bae4d949f7e21cd9797a38f0">00160</a> <span class="preprocessor"></span><span class="preprocessor">#define r124 $124</span>
<a name="l00161"></a><a class="code" href="gc__spu__macs_8h.html#a5efa066299d7ca481c0adb5fdd91ceb6">00161</a> <span class="preprocessor"></span><span class="preprocessor">#define r125 $125</span>
<a name="l00162"></a><a class="code" href="gc__spu__macs_8h.html#a6ccbf1e64cab9d36791376a43b989b3f">00162</a> <span class="preprocessor"></span><span class="preprocessor">#define r126 $126</span>
<a name="l00163"></a><a class="code" href="gc__spu__macs_8h.html#a5ca3f8dc097132763bf96dbd2cac2e88">00163</a> <span class="preprocessor"></span><span class="preprocessor">#define r127 $127</span>
<a name="l00164"></a>00164 <span class="preprocessor"></span>
<a name="l00165"></a>00165
<a name="l00166"></a><a class="code" href="gc__spu__macs_8h.html#ab7c4b924a9a37e04d2c49a0383720e05">00166</a> <span class="preprocessor">#define lr r0 // link register</span>
<a name="l00167"></a><a class="code" href="gc__spu__macs_8h.html#a8d40798874dab99986478ef00ff3e297">00167</a> <span class="preprocessor"></span><span class="preprocessor">#define sp r1 // stack pointer</span>
<a name="l00168"></a>00168 <span class="preprocessor"></span> <span class="comment">// r2 is environment pointer for langs that need it (ALGOL)</span>
<a name="l00169"></a>00169
<a name="l00170"></a><a class="code" href="gc__spu__macs_8h.html#a696b31d3fc8a0a0f24948f98d0e4a4d1">00170</a> <span class="preprocessor">#define retval r3 // return values are passed in regs starting at r3</span>
<a name="l00171"></a>00171 <span class="preprocessor"></span>
<a name="l00172"></a><a class="code" href="gc__spu__macs_8h.html#a489500f7b5cfd21fa6730e3a56f1c1f7">00172</a> <span class="preprocessor">#define arg1 r3 // args are passed in regs starting at r3</span>
<a name="l00173"></a><a class="code" href="gc__spu__macs_8h.html#a3ad2018792b545e1b82249aeb6a16d43">00173</a> <span class="preprocessor"></span><span class="preprocessor">#define arg2 r4</span>
<a name="l00174"></a><a class="code" href="gc__spu__macs_8h.html#aef6bcb582f07be1d1cd5cded3e96e6ac">00174</a> <span class="preprocessor"></span><span class="preprocessor">#define arg3 r5</span>
<a name="l00175"></a><a class="code" href="gc__spu__macs_8h.html#a1e925e623247312d0965da7524c72f6f">00175</a> <span class="preprocessor"></span><span class="preprocessor">#define arg4 r6</span>
<a name="l00176"></a><a class="code" href="gc__spu__macs_8h.html#a22b03cd75d43aafed6ba1617901f894f">00176</a> <span class="preprocessor"></span><span class="preprocessor">#define arg5 r7</span>
<a name="l00177"></a><a class="code" href="gc__spu__macs_8h.html#a56605356e728b2b64c1cb50c96bdf08f">00177</a> <span class="preprocessor"></span><span class="preprocessor">#define arg6 r8</span>
<a name="l00178"></a><a class="code" href="gc__spu__macs_8h.html#a3da834826ea47aa0bebd583b14ba9a3c">00178</a> <span class="preprocessor"></span><span class="preprocessor">#define arg7 r9</span>
<a name="l00179"></a><a class="code" href="gc__spu__macs_8h.html#a516fc2ae5b58fe9170bbce9b09743323">00179</a> <span class="preprocessor"></span><span class="preprocessor">#define arg8 r10</span>
<a name="l00180"></a><a class="code" href="gc__spu__macs_8h.html#a91ccf1d98a4fc6f98a59059d927eb012">00180</a> <span class="preprocessor"></span><span class="preprocessor">#define arg9 r11</span>
<a name="l00181"></a><a class="code" href="gc__spu__macs_8h.html#a644805a53197ae48879dd7fee8b1c2c7">00181</a> <span class="preprocessor"></span><span class="preprocessor">#define arg10 r12</span>
<a name="l00182"></a>00182 <span class="preprocessor"></span>
<a name="l00183"></a>00183 <span class="comment">// r3 - r74 are volatile (caller saves)</span>
<a name="l00184"></a>00184 <span class="comment">// r74 - r79 are volatile (scratch regs possibly destroyed by fct prolog/epilog)</span>
<a name="l00185"></a>00185 <span class="comment">// r80 - r127 are non-volatile (callee-saves)</span>
<a name="l00186"></a>00186
<a name="l00187"></a>00187 <span class="comment">// scratch registers reserved for use by the macros in this file.</span>
<a name="l00188"></a>00188
<a name="l00189"></a><a class="code" href="gc__spu__macs_8h.html#a9804f02b9ec3136dce714e375dbb6023">00189</a> <span class="preprocessor">#define _gc_t0 r79</span>
<a name="l00190"></a><a class="code" href="gc__spu__macs_8h.html#a0e97406f425673393367c7ac0eb5ba1c">00190</a> <span class="preprocessor"></span><span class="preprocessor">#define _gc_t1 r78</span>
<a name="l00191"></a><a class="code" href="gc__spu__macs_8h.html#a1f6516f74641ba951b7312b93b634114">00191</a> <span class="preprocessor"></span><span class="preprocessor">#define _gc_t2 r77</span>
<a name="l00192"></a>00192 <span class="preprocessor"></span>
<a name="l00193"></a>00193 <span class="comment">/*</span>
<a name="l00194"></a>00194 <span class="comment"> * ----------------------------------------------------------------</span>
<a name="l00195"></a>00195 <span class="comment"> * pseudo ops</span>
<a name="l00196"></a>00196 <span class="comment"> * ----------------------------------------------------------------</span>
<a name="l00197"></a>00197 <span class="comment"> */</span>
<a name="l00198"></a><a class="code" href="gc__spu__macs_8h.html#a7882db5636c85954872e6fae51396a14">00198</a> <span class="preprocessor">#define PROC_ENTRY(name) \</span>
<a name="l00199"></a>00199 <span class="preprocessor"> .text; \</span>
<a name="l00200"></a>00200 <span class="preprocessor"> .p2align 4; \</span>
<a name="l00201"></a>00201 <span class="preprocessor"> .global name; \</span>
<a name="l00202"></a>00202 <span class="preprocessor"> .type name, @function; \</span>
<a name="l00203"></a>00203 <span class="preprocessor">name:</span>
<a name="l00204"></a>00204 <span class="preprocessor"></span>
<a name="l00205"></a>00205 <span class="comment">/*</span>
<a name="l00206"></a>00206 <span class="comment"> * ----------------------------------------------------------------</span>
<a name="l00207"></a>00207 <span class="comment"> * aliases for common operations</span>
<a name="l00208"></a>00208 <span class="comment"> * ----------------------------------------------------------------</span>
<a name="l00209"></a>00209 <span class="comment"> */</span>
<a name="l00210"></a>00210
<a name="l00211"></a>00211 <span class="comment">// Move register (even pipe, 2 cycles)</span>
<a name="l00212"></a><a class="code" href="gc__spu__macs_8h.html#a54d5832709b14598363e8025c0034736">00212</a> <span class="preprocessor">#define MR(rt, ra) or rt, ra, ra;</span>
<a name="l00213"></a>00213 <span class="preprocessor"></span>
<a name="l00214"></a>00214 <span class="comment">// Move register (odd pipe, 4 cycles)</span>
<a name="l00215"></a><a class="code" href="gc__spu__macs_8h.html#a24d8a481bd134b3ceaaf4b96adbfb083">00215</a> <span class="preprocessor">#define LMR(rt, ra) rotqbyi rt, ra, 0;</span>
<a name="l00216"></a>00216 <span class="preprocessor"></span>
<a name="l00217"></a>00217 <span class="comment">// return</span>
<a name="l00218"></a><a class="code" href="gc__spu__macs_8h.html#a419f83b5dd1e61914653319c543ef682">00218</a> <span class="preprocessor">#define RETURN() bi lr;</span>
<a name="l00219"></a>00219 <span class="preprocessor"></span>
<a name="l00220"></a>00220 <span class="comment">// hint for a return</span>
<a name="l00221"></a><a class="code" href="gc__spu__macs_8h.html#a3ac4cbddc5436038405dcbbfe3c96a9e">00221</a> <span class="preprocessor">#define HINT_RETURN(ret_label) hbr ret_label, lr;</span>
<a name="l00222"></a>00222 <span class="preprocessor"></span>
<a name="l00223"></a>00223 <span class="comment">// return if zero</span>
<a name="l00224"></a><a class="code" href="gc__spu__macs_8h.html#afb8dfec7a8068d81ee877c13e653716a">00224</a> <span class="preprocessor">#define BRZ_RETURN(rt) biz rt, lr;</span>
<a name="l00225"></a>00225 <span class="preprocessor"></span>
<a name="l00226"></a>00226 <span class="comment">// return if not zero</span>
<a name="l00227"></a><a class="code" href="gc__spu__macs_8h.html#af1b57c049617b3696a5e4a4de7f1d43c">00227</a> <span class="preprocessor">#define BRNZ_RETURN(rt) binz rt, lr;</span>
<a name="l00228"></a>00228 <span class="preprocessor"></span>
<a name="l00229"></a>00229 <span class="comment">// return if halfword zero</span>
<a name="l00230"></a><a class="code" href="gc__spu__macs_8h.html#a793e73a6d0709a0299f0c2c3af410398">00230</a> <span class="preprocessor">#define BRHZ_RETURN(rt) bihz rt, lr;</span>
<a name="l00231"></a>00231 <span class="preprocessor"></span>
<a name="l00232"></a>00232 <span class="comment">// return if halfword not zero</span>
<a name="l00233"></a><a class="code" href="gc__spu__macs_8h.html#ab5e110d39a6fe62435a77dec925827a4">00233</a> <span class="preprocessor">#define BRHNZ_RETURN(rt) bihnz rt, lr;</span>
<a name="l00234"></a>00234 <span class="preprocessor"></span>
<a name="l00235"></a>00235
<a name="l00236"></a>00236 <span class="comment">/*</span>
<a name="l00237"></a>00237 <span class="comment"> * ----------------------------------------------------------------</span>
<a name="l00238"></a>00238 <span class="comment"> * modulo like things for constant moduli that are powers of 2</span>
<a name="l00239"></a>00239 <span class="comment"> * ----------------------------------------------------------------</span>
<a name="l00240"></a>00240 <span class="comment"> */</span>
<a name="l00241"></a>00241
<a name="l00242"></a>00242 <span class="comment">// rt = ra & (pow2 - 1)</span>
<a name="l00243"></a><a class="code" href="gc__spu__macs_8h.html#ab6e74add9d5e9221c73a973c93be8198">00243</a> <span class="preprocessor">#define MODULO(rt, ra, pow2) \</span>
<a name="l00244"></a>00244 <span class="preprocessor"> andi rt, ra, (pow2)-1;</span>
<a name="l00245"></a>00245 <span class="preprocessor"></span>
<a name="l00246"></a>00246 <span class="comment">// rt = pow2 - (ra & (pow2 - 1))</span>
<a name="l00247"></a><a class="code" href="gc__spu__macs_8h.html#a302efba640e84aa393a6a9a028087d9f">00247</a> <span class="preprocessor">#define MODULO_NEG(rt, ra, pow2) \</span>
<a name="l00248"></a>00248 <span class="preprocessor"> andi rt, ra, (pow2)-1; \</span>
<a name="l00249"></a>00249 <span class="preprocessor"> sfi rt, rt, (pow2);</span>
<a name="l00250"></a>00250 <span class="preprocessor"></span>
<a name="l00251"></a>00251 <span class="comment">// rt = ra & -(pow2)</span>
<a name="l00252"></a><a class="code" href="gc__spu__macs_8h.html#a23f8509fd1442ad31ed46242cb592116">00252</a> <span class="preprocessor">#define ROUND_DOWN(rt, ra, pow2) \</span>
<a name="l00253"></a>00253 <span class="preprocessor"> andi rt, ra, -(pow2);</span>
<a name="l00254"></a>00254 <span class="preprocessor"></span>
<a name="l00255"></a>00255 <span class="comment">// rt = (ra + (pow2 - 1)) & -(pow2)</span>
<a name="l00256"></a><a class="code" href="gc__spu__macs_8h.html#a7b95efc86000d35543da94f1a8b07199">00256</a> <span class="preprocessor">#define ROUND_UP(rt, ra, pow2) \</span>
<a name="l00257"></a>00257 <span class="preprocessor"> ai rt, ra, (pow2)-1; \</span>
<a name="l00258"></a>00258 <span class="preprocessor"> andi rt, rt, -(pow2);</span>
<a name="l00259"></a>00259 <span class="preprocessor"></span>
<a name="l00260"></a>00260 <span class="comment">/*</span>
<a name="l00261"></a>00261 <span class="comment"> * ----------------------------------------------------------------</span>
<a name="l00262"></a>00262 <span class="comment"> * Splat - replicate a particular slot into all slots</span>
<a name="l00263"></a>00263 <span class="comment"> * Altivec analogs...</span>
<a name="l00264"></a>00264 <span class="comment"> * ----------------------------------------------------------------</span>
<a name="l00265"></a>00265 <span class="comment"> */</span>
<a name="l00266"></a>00266
<a name="l00267"></a>00267 <span class="comment">// replicate byte from slot s [0,15]</span>
<a name="l00268"></a><a class="code" href="gc__spu__macs_8h.html#a86a5bdfaecd0f1179af1d861e2618616">00268</a> <span class="preprocessor">#define VSPLTB(rt, ra, s) \</span>
<a name="l00269"></a>00269 <span class="preprocessor"> ilh _gc_t0, (s)*0x0101; \</span>
<a name="l00270"></a>00270 <span class="preprocessor"> shufb rt, ra, ra, _gc_t0;</span>
<a name="l00271"></a>00271 <span class="preprocessor"></span>
<a name="l00272"></a>00272 <span class="comment">// replicate halfword from slot s [0,7]</span>
<a name="l00273"></a><a class="code" href="gc__spu__macs_8h.html#a733f79603702c70a2d0592b3b9e88ab5">00273</a> <span class="preprocessor">#define VSPLTH(rt, ra, s) \</span>
<a name="l00274"></a>00274 <span class="preprocessor"> ilh _gc_t0, 2*(s)*0x0101 + 0x0001; \</span>
<a name="l00275"></a>00275 <span class="preprocessor"> shufb rt, ra, ra, _gc_t0;</span>
<a name="l00276"></a>00276 <span class="preprocessor"></span>
<a name="l00277"></a>00277 <span class="comment">// replicate word from slot s [0,3]</span>
<a name="l00278"></a><a class="code" href="gc__spu__macs_8h.html#a6eefb1b82fd514412cebd1190b3b12ae">00278</a> <span class="preprocessor">#define VSPLTW(rt, ra, s) \</span>
<a name="l00279"></a>00279 <span class="preprocessor"> iluh _gc_t0, 4*(s)*0x0101 + 0x0001; \</span>
<a name="l00280"></a>00280 <span class="preprocessor"> iohl _gc_t0, 4*(s)*0x0101 + 0x0203; \</span>
<a name="l00281"></a>00281 <span class="preprocessor"> shufb rt, ra, ra, _gc_t0;</span>
<a name="l00282"></a>00282 <span class="preprocessor"></span>
<a name="l00283"></a>00283 <span class="comment">// replicate double from slot s [0,1]</span>
<a name="l00284"></a><a class="code" href="gc__spu__macs_8h.html#a4503fff34746144188cc49e18ca37964">00284</a> <span class="preprocessor">#define VSPLTD(rt, ra, s) \</span>
<a name="l00285"></a>00285 <span class="preprocessor"> </span><span class="comment">/* sp is always 16-byte aligned */</span> \
<a name="l00286"></a>00286 cdd _gc_t0, 8(sp); <span class="comment">/* 0x10111213 14151617 00010203 04050607 */</span> \
<a name="l00287"></a>00287 rotqbyi rt, ra, ra, (s) << 3; <span class="comment">/* rotate double into preferred slot */</span> \
<a name="l00288"></a>00288 shufb rt, rt, rt, _gc_t0;
<a name="l00289"></a>00289
<a name="l00290"></a>00290 <span class="comment">/*</span>
<a name="l00291"></a>00291 <span class="comment"> * ----------------------------------------------------------------</span>
<a name="l00292"></a>00292 <span class="comment"> * lots of min/max variations...</span>
<a name="l00293"></a>00293 <span class="comment"> *</span>
<a name="l00294"></a>00294 <span class="comment"> * On a slot by slot basis, compute the min or max</span>
<a name="l00295"></a>00295 <span class="comment"> *</span>
<a name="l00296"></a>00296 <span class="comment"> * U - unsigned, else signed</span>
<a name="l00297"></a>00297 <span class="comment"> * B,H,{} - byte, halfword, word</span>
<a name="l00298"></a>00298 <span class="comment"> * F float</span>
<a name="l00299"></a>00299 <span class="comment"> * ----------------------------------------------------------------</span>
<a name="l00300"></a>00300 <span class="comment"> */</span>
<a name="l00301"></a>00301
<a name="l00302"></a><a class="code" href="gc__spu__macs_8h.html#aeec770d283bbc898adf0b9cc13a07507">00302</a> <span class="preprocessor">#define MIN_SELB(rt, ra, rb, rc) selb rt, ra, rb, rc;</span>
<a name="l00303"></a><a class="code" href="gc__spu__macs_8h.html#a04be39b6c32397ec20ada1755ee6a6bf">00303</a> <span class="preprocessor"></span><span class="preprocessor">#define MAX_SELB(rt, ra, rb, rc) selb rt, rb, ra, rc;</span>
<a name="l00304"></a>00304 <span class="preprocessor"></span>
<a name="l00305"></a>00305 <span class="comment">// words</span>
<a name="l00306"></a>00306
<a name="l00307"></a><a class="code" href="gc__spu__macs_8h.html#a1a2d69dfede1bc3b178e33396e2a353a">00307</a> <span class="preprocessor">#define MIN(rt, ra, rb) \</span>
<a name="l00308"></a>00308 <span class="preprocessor"> cgt _gc_t0, ra, rb; \</span>
<a name="l00309"></a>00309 <span class="preprocessor"> MIN_SELB(rt, ra, rb, _gc_t0)</span>
<a name="l00310"></a>00310 <span class="preprocessor"></span>
<a name="l00311"></a><a class="code" href="gc__spu__macs_8h.html#a61420b67e33273ce5db89b22f6f36e69">00311</a> <span class="preprocessor">#define MAX(rt, ra, rb) \</span>
<a name="l00312"></a>00312 <span class="preprocessor"> cgt _gc_t0, ra, rb; \</span>
<a name="l00313"></a>00313 <span class="preprocessor"> MAX_SELB(rt, ra, rb, _gc_t0)</span>
<a name="l00314"></a>00314 <span class="preprocessor"></span>
<a name="l00315"></a><a class="code" href="gc__spu__macs_8h.html#a0956da47402edd3f727764f120de2b35">00315</a> <span class="preprocessor">#define UMIN(rt, ra, rb) \</span>
<a name="l00316"></a>00316 <span class="preprocessor"> clgt _gc_t0, ra, rb; \</span>
<a name="l00317"></a>00317 <span class="preprocessor"> MIN_SELB(rt, ra, rb, _gc_t0)</span>
<a name="l00318"></a>00318 <span class="preprocessor"></span>
<a name="l00319"></a><a class="code" href="gc__spu__macs_8h.html#a1abd0fa2baa9e3d87f43d76d82852abb">00319</a> <span class="preprocessor">#define UMAX(rt, ra, rb) \</span>
<a name="l00320"></a>00320 <span class="preprocessor"> clgt _gc_t0, ra, rb; \</span>
<a name="l00321"></a>00321 <span class="preprocessor"> MAX_SELB(rt, ra, rb, _gc_t0)</span>
<a name="l00322"></a>00322 <span class="preprocessor"></span>
<a name="l00323"></a>00323 <span class="comment">// bytes</span>
<a name="l00324"></a>00324
<a name="l00325"></a><a class="code" href="gc__spu__macs_8h.html#a4706cfc99f6486119693400851ca16de">00325</a> <span class="preprocessor">#define MINB(rt, ra, rb) \</span>
<a name="l00326"></a>00326 <span class="preprocessor"> cgtb _gc_t0, ra, rb; \</span>
<a name="l00327"></a>00327 <span class="preprocessor"> MIN_SELB(rt, ra, rb, _gc_t0)</span>
<a name="l00328"></a>00328 <span class="preprocessor"></span>
<a name="l00329"></a><a class="code" href="gc__spu__macs_8h.html#a573b692776e90f85f0ad48279794e004">00329</a> <span class="preprocessor">#define MAXB(rt, ra, rb) \</span>
<a name="l00330"></a>00330 <span class="preprocessor"> cgtb _gc_t0, ra, rb; \</span>
<a name="l00331"></a>00331 <span class="preprocessor"> MAX_SELB(rt, ra, rb, _gc_t0)</span>
<a name="l00332"></a>00332 <span class="preprocessor"></span>
<a name="l00333"></a><a class="code" href="gc__spu__macs_8h.html#a02d06b581c2ff3bcf83fcc1d605e5f72">00333</a> <span class="preprocessor">#define UMINB(rt, ra, rb) \</span>
<a name="l00334"></a>00334 <span class="preprocessor"> clgtb _gc_t0, ra, rb; \</span>
<a name="l00335"></a>00335 <span class="preprocessor"> MIN_SELB(rt, ra, rb, _gc_t0)</span>
<a name="l00336"></a>00336 <span class="preprocessor"></span>
<a name="l00337"></a><a class="code" href="gc__spu__macs_8h.html#ac0048e3c49063db5412070caa03c2d66">00337</a> <span class="preprocessor">#define UMAXB(rt, ra, rb) \</span>
<a name="l00338"></a>00338 <span class="preprocessor"> clgtb _gc_t0, ra, rb; \</span>
<a name="l00339"></a>00339 <span class="preprocessor"> MAX_SELB(rt, ra, rb, _gc_t0)</span>
<a name="l00340"></a>00340 <span class="preprocessor"></span>
<a name="l00341"></a>00341 <span class="comment">// halfwords</span>
<a name="l00342"></a>00342
<a name="l00343"></a><a class="code" href="gc__spu__macs_8h.html#ab12cf1c6de96ac907b6cd1b0a7681d5c">00343</a> <span class="preprocessor">#define MINH(rt, ra, rb) \</span>
<a name="l00344"></a>00344 <span class="preprocessor"> cgth _gc_t0, ra, rb; \</span>
<a name="l00345"></a>00345 <span class="preprocessor"> MIN_SELB(rt, ra, rb, _gc_t0)</span>
<a name="l00346"></a>00346 <span class="preprocessor"></span>
<a name="l00347"></a><a class="code" href="gc__spu__macs_8h.html#a6a50798a9d6d43f31ccd0b6f69ce94bb">00347</a> <span class="preprocessor">#define MAXH(rt, ra, rb) \</span>
<a name="l00348"></a>00348 <span class="preprocessor"> cgth _gc_t0, ra, rb; \</span>
<a name="l00349"></a>00349 <span class="preprocessor"> MAX_SELB(rt, ra, rb, _gc_t0)</span>
<a name="l00350"></a>00350 <span class="preprocessor"></span>
<a name="l00351"></a><a class="code" href="gc__spu__macs_8h.html#a011b8a265124421b442902d3128f3077">00351</a> <span class="preprocessor">#define UMINH(rt, ra, rb) \</span>
<a name="l00352"></a>00352 <span class="preprocessor"> clgth _gc_t0, ra, rb; \</span>
<a name="l00353"></a>00353 <span class="preprocessor"> MIN_SELB(rt, ra, rb, _gc_t0)</span>
<a name="l00354"></a>00354 <span class="preprocessor"></span>
<a name="l00355"></a><a class="code" href="gc__spu__macs_8h.html#a2284e99fa492c3fc911763b3f7dfd6bb">00355</a> <span class="preprocessor">#define UMAXH(rt, ra, rb) \</span>
<a name="l00356"></a>00356 <span class="preprocessor"> clgth _gc_t0, ra, rb; \</span>
<a name="l00357"></a>00357 <span class="preprocessor"> MAX_SELB(rt, ra, rb, _gc_t0)</span>
<a name="l00358"></a>00358 <span class="preprocessor"></span>
<a name="l00359"></a>00359 <span class="comment">// floats</span>
<a name="l00360"></a>00360
<a name="l00361"></a><a class="code" href="gc__spu__macs_8h.html#a5a049b6dcf58fe44b34ce605f3eaca2b">00361</a> <span class="preprocessor">#define FMIN(rt, ra, rb) \</span>
<a name="l00362"></a>00362 <span class="preprocessor"> fcgt _gc_t0, ra, rb; \</span>
<a name="l00363"></a>00363 <span class="preprocessor"> MIN_SELB(rt, ra, rb, _gc_t0)</span>
<a name="l00364"></a>00364 <span class="preprocessor"></span>
<a name="l00365"></a><a class="code" href="gc__spu__macs_8h.html#a7b421d0f1795f8ad600e46e88acc622c">00365</a> <span class="preprocessor">#define FMAX(rt, ra, rb) \</span>
<a name="l00366"></a>00366 <span class="preprocessor"> fcgt _gc_t0, ra, rb; \</span>
<a name="l00367"></a>00367 <span class="preprocessor"> MAX_SELB(rt, ra, rb, _gc_t0)</span>
<a name="l00368"></a>00368 <span class="preprocessor"></span>
<a name="l00369"></a>00369 <span class="comment">// Ignoring the sign, select the values with the minimum magnitude</span>
<a name="l00370"></a><a class="code" href="gc__spu__macs_8h.html#a7dd81f687f21a0ea73febf9858047643">00370</a> <span class="preprocessor">#define FMINMAG(rt, ra, rb) \</span>
<a name="l00371"></a>00371 <span class="preprocessor"> fcmgt _gc_t0, ra, rb; \</span>
<a name="l00372"></a>00372 <span class="preprocessor"> MIN_SELB(rt, ra, rb, _gc_t0)</span>
<a name="l00373"></a>00373 <span class="preprocessor"></span>
<a name="l00374"></a>00374 <span class="comment">// Ignoring the sign, select the values with the maximum magnitude</span>
<a name="l00375"></a><a class="code" href="gc__spu__macs_8h.html#a402f7cff81b427995f82f2d353cb966c">00375</a> <span class="preprocessor">#define FMAXMAG(rt, ra, rb) \</span>
<a name="l00376"></a>00376 <span class="preprocessor"> fcmgt _gc_t0, ra, rb; \</span>
<a name="l00377"></a>00377 <span class="preprocessor"> MAX_SELB(rt, ra, rb, _gc_t0)</span>
<a name="l00378"></a>00378 <span class="preprocessor"></span>
<a name="l00379"></a>00379
<a name="l00380"></a>00380 <span class="preprocessor">#endif </span><span class="comment">/* INCLUDED_GC_SPU_MACS_H */</span>
</pre></div></div>
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