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| File: [Development] / linux-2.6-xfs / arch / blackfin / lib / umulsi3_highpart.S (download)
Revision 1.2, Wed Jul 4 15:54:07 2007 UTC (10 years, 3 months ago) by tes.longdrop.melbourne.sgi.com
Merge up to 2.6.22-rc7 Merge of 2.6.x-xfs-melb:linux:29062a by kenmcd. |
.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