/[qemu]/qemu/op-i386.c
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Diff of /qemu/op-i386.c

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revision 1.37 by bellard, Tue Jun 24 13:27:18 2003 UTC revision 1.38 by bellard, Mon Jun 30 10:11:50 2003 UTC
# Line 80  static inline int lshift(int x, int n) Line 80  static inline int lshift(int x, int n)
80    
81  /* operations with flags */  /* operations with flags */
82    
83  void OPPROTO op_addl_T0_T1_cc(void)  /* update flags with T0 and T1 (add/sub case) */
84    void OPPROTO op_update2_cc(void)
85  {  {
86      CC_SRC = T0;      CC_SRC = T1;
     T0 += T1;  
87      CC_DST = T0;      CC_DST = T0;
88  }  }
89    
90  void OPPROTO op_orl_T0_T1_cc(void)  /* update flags with T0 (logic operation case) */
91    void OPPROTO op_update1_cc(void)
92  {  {
     T0 |= T1;  
93      CC_DST = T0;      CC_DST = T0;
94  }  }
95    
96  void OPPROTO op_andl_T0_T1_cc(void)  void OPPROTO op_update_neg_cc(void)
97  {  {
98      T0 &= T1;      CC_SRC = -T0;
     CC_DST = T0;  
 }  
   
 void OPPROTO op_subl_T0_T1_cc(void)  
 {  
     CC_SRC = T0;  
     T0 -= T1;  
     CC_DST = T0;  
 }  
   
 void OPPROTO op_xorl_T0_T1_cc(void)  
 {  
     T0 ^= T1;  
99      CC_DST = T0;      CC_DST = T0;
100  }  }
101    
102  void OPPROTO op_cmpl_T0_T1_cc(void)  void OPPROTO op_cmpl_T0_T1_cc(void)
103  {  {
104      CC_SRC = T0;      CC_SRC = T1;
105      CC_DST = T0 - T1;      CC_DST = T0 - T1;
106  }  }
107    
108  void OPPROTO op_negl_T0_cc(void)  void OPPROTO op_update_inc_cc(void)
 {  
     CC_SRC = 0;  
     T0 = -T0;  
     CC_DST = T0;  
 }  
   
 void OPPROTO op_incl_T0_cc(void)  
 {  
     CC_SRC = cc_table[CC_OP].compute_c();  
     T0++;  
     CC_DST = T0;  
 }  
   
 void OPPROTO op_decl_T0_cc(void)  
109  {  {
110      CC_SRC = cc_table[CC_OP].compute_c();      CC_SRC = cc_table[CC_OP].compute_c();
     T0--;  
111      CC_DST = T0;      CC_DST = T0;
112  }  }
113    

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