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Linux/arch/sparc/lib/multi3.S

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Diff markup

Differences between /arch/sparc/lib/multi3.S (Version linux-6.12-rc7) and /arch/ppc/lib/multi3.S (Version policy-sample)


  1 /* SPDX-License-Identifier: GPL-2.0 */            
  2 #include <linux/export.h>                         
  3 #include <linux/linkage.h>                        
  4                                                   
  5         .text                                     
  6         .align  4                                 
  7 ENTRY(__multi3) /* %o0 = u, %o1 = v */            
  8         mov     %o1, %g1                          
  9         srl     %o3, 0, %o4                       
 10         mulx    %o4, %g1, %o1                     
 11         srlx    %g1, 0x20, %g3                    
 12         mulx    %g3, %o4, %g7                     
 13         sllx    %g7, 0x20, %o5                    
 14         srl     %g1, 0, %o4                       
 15         sub     %o1, %o5, %o5                     
 16         srlx    %o5, 0x20, %o5                    
 17         addcc   %g7, %o5, %g7                     
 18         srlx    %o3, 0x20, %o5                    
 19         mulx    %o4, %o5, %o4                     
 20         mulx    %g3, %o5, %o5                     
 21         sethi   %hi(0x80000000), %g3              
 22         addcc   %g7, %o4, %g7                     
 23         srlx    %g7, 0x20, %g7                    
 24         add     %g3, %g3, %g3                     
 25         movcc   %xcc, %g0, %g3                    
 26         addcc   %o5, %g7, %o5                     
 27         sllx    %o4, 0x20, %o4                    
 28         add     %o1, %o4, %o1                     
 29         add     %o5, %g3, %g2                     
 30         mulx    %g1, %o2, %g1                     
 31         add     %g1, %g2, %g1                     
 32         mulx    %o0, %o3, %o0                     
 33         retl                                      
 34          add    %g1, %o0, %o0                     
 35 ENDPROC(__multi3)                                 
 36 EXPORT_SYMBOL(__multi3)                           
                                                      

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