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21 lines
475 B
C
21 lines
475 B
C
#include "pspmath.h"
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void vfpu_quaternion_hermite_tangent(ScePspQuatMatrix *qout, ScePspQuatMatrix *p1, ScePspQuatMatrix *p2, float bias) {
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__asm__ volatile (
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// load p1 and p2
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"lv.q C000, 0(%1)\n"
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"lv.q C010, 0(%2)\n"
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// load bias
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"mtv %3, S100\n"
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// C020 = C010 - C000
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"vsub.q C020, C010, C000\n"
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// scale C020 by bias
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"vscl.q C020, C020, S100\n"
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// store result
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"sv.q C020, 0(%0)\n"
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:"+r"(qout): "r"(p1), "r"(p2), "r"(bias));
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}
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