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 ___umulsi3_highpart; 91394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu.type ___umulsi3_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___umulsi3_highpart: 181394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu R2 = R1.H * R0.H, R3 = R1.L * R0.H (FU); 191394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu R0 = R1.L * R0.L, R1 = R1.H * R0.L (FU); 201394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu R0 >>= 16; 211394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu /* Unsigned multiplication has the nice property that we can 221394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu ignore carry on this first addition. */ 231394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu R0 = R0 + R3; 241394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu R0 = R0 + R1; 251394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu cc = ac0; 261394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu R1 = cc; 271394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu R1 = PACK(R1.l,R0.h); 281394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu R0 = R1 + R2; 291394f03221790a988afc3e4b3cb79f2e477246a9Bryan Wu RTS; 3051be24c351bc9ee4937121100adb098eeb1effddMike Frysinger 3151be24c351bc9ee4937121100adb098eeb1effddMike Frysinger.size ___umulsi3_highpart, .-___umulsi3_highpart 32