mpcc ports hang with TS_BUSY; bug report 4.3BSD-tahoe/sys/23
[unix-history] / usr / src / sys / tahoe / align / Ashar.c
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SL
1/* Ashar.c 1.1 86/07/20 */
2
3
4#include "../tahoealign/align.h"
5shar(infop) process_info *infop;
6/*
7/* Shift arithmetic right (longword).
8/*
9/*******************************/
10{
11 register long Register_12; /* Has to be first reg ! */
12 register long Register_11;
13 register long Register_10;
14
15 Register_12 = operand(infop,0)->data;
16 Register_11 = operand(infop,1)->data;
17 Register_10=psl;
18 Set_psl(r10); /* restore the user psl */
19 asm (" shar r12,r11,r10");
20 asm (" movpsl r12");
21 New_cc (Register_12);
22 write_back (infop, Register_10, operand(infop,2));
23}