196f1050d3df105c9ae6c6ac224f370199ea82fcdRobin Getz/*
296f1050d3df105c9ae6c6ac224f370199ea82fcdRobin Getz * Copyright 2007 Analog Devices Inc.
396f1050d3df105c9ae6c6ac224f370199ea82fcdRobin Getz *
496f1050d3df105c9ae6c6ac224f370199ea82fcdRobin Getz * Licensed under the ADI BSD license or the GPL-2 (or later)
596f1050d3df105c9ae6c6ac224f370199ea82fcdRobin Getz */
696f1050d3df105c9ae6c6ac224f370199ea82fcdRobin Getz
71394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu.align 2
81394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu.global ___smulsi3_highpart;
91394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu.type ___smulsi3_highpart, STT_FUNC;
101394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu
111394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu#ifdef CONFIG_ARITHMETIC_OPS_L1
121394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu.section .l1.text
131394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu#else
141394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu.text
151394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu#endif
161394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu
171394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu___smulsi3_highpart:
181394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu	R2 = R1.L * R0.L (FU);
191394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu	R3 = R1.H * R0.L (IS,M);
201394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu	R0 = R0.H * R1.H, R1 = R0.H * R1.L (IS,M);
211394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu
221394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu	R1.L = R2.H + R1.L;
231394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu	cc = ac0;
241394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu	R2 = cc;
251394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu
261394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu	R1.L = R1.L + R3.L;
271394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu	cc = ac0;
281394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu	R1 >>>= 16;
291394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu	R3 >>>= 16;
301394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu	R1 = R1 + R3;
311394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu	R1 = R1 + R2;
321394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu	R2 = cc;
331394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu	R1 = R1 + R2;
341394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu
351394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu	R0 = R0 + R1;
361394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu	RTS;
3751be24c351bc9ee4937121100adb098eeb1effddMike Frysinger
3851be24c351bc9ee4937121100adb098eeb1effddMike Frysinger.size ___smulsi3_highpart, .-___smulsi3_highpart
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