5113f6f70
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kernel add
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/*
* Copyright 2007 Analog Devices Inc.
*
* Licensed under the Clear BSD license or the GPL-2 (or later)
*/
.align 2
.global ___umulsi3_highpart;
.type ___umulsi3_highpart, STT_FUNC;
#ifdef CONFIG_ARITHMETIC_OPS_L1
.section .l1.text
#else
.text
#endif
___umulsi3_highpart:
R2 = R1.H * R0.H, R3 = R1.L * R0.H (FU);
R0 = R1.L * R0.L, R1 = R1.H * R0.L (FU);
R0 >>= 16;
/* Unsigned multiplication has the nice property that we can
ignore carry on this first addition. */
R0 = R0 + R3;
R0 = R0 + R1;
cc = ac0;
R1 = cc;
R1 = PACK(R1.l,R0.h);
R0 = R1 + R2;
RTS;
.size ___umulsi3_highpart, .-___umulsi3_highpart
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