tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1.align 2
2.global ___umulsi3_highpart;
3.type ___umulsi3_highpart, STT_FUNC;
4
5#ifdef CONFIG_ARITHMETIC_OPS_L1
6.section .l1.text
7#else
8.text
9#endif
10
11___umulsi3_highpart:
12 R2 = R1.H * R0.H, R3 = R1.L * R0.H (FU);
13 R0 = R1.L * R0.L, R1 = R1.H * R0.L (FU);
14 R0 >>= 16;
15 /* Unsigned multiplication has the nice property that we can
16 ignore carry on this first addition. */
17 R0 = R0 + R3;
18 R0 = R0 + R1;
19 cc = ac0;
20 R1 = cc;
21 R1 = PACK(R1.l,R0.h);
22 R0 = R1 + R2;
23 RTS;
24
25.size ___umulsi3_highpart, .-___umulsi3_highpart