gwj / at91sam9263 · Commits

Commit 07d2c595580fecadb0e4113ae1be3e6421b91956

Authored by bellard
1 parent cad3a37d

moved eflags computation outside op.c 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4472 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 4 changed files with 296 additions and 293 deletions
target-i386/helper.c
  View file @07d2c59
... ... @@ -5239,3 +5239,82 @@ void helper_movq(uint64_t *d, uint64_t *s)
5239 5239 #undef SHIFT
5240 5240  
5241 5241 #endif
  5242 +
  5243 +static int compute_all_eflags(void)
  5244 +{
  5245 + return CC_SRC;
  5246 +}
  5247 +
  5248 +static int compute_c_eflags(void)
  5249 +{
  5250 + return CC_SRC & CC_C;
  5251 +}
  5252 +
  5253 +CCTable cc_table[CC_OP_NB] = {
  5254 + [CC_OP_DYNAMIC] = { /* should never happen */ },
  5255 +
  5256 + [CC_OP_EFLAGS] = { compute_all_eflags, compute_c_eflags },
  5257 +
  5258 + [CC_OP_MULB] = { compute_all_mulb, compute_c_mull },
  5259 + [CC_OP_MULW] = { compute_all_mulw, compute_c_mull },
  5260 + [CC_OP_MULL] = { compute_all_mull, compute_c_mull },
  5261 +
  5262 + [CC_OP_ADDB] = { compute_all_addb, compute_c_addb },
  5263 + [CC_OP_ADDW] = { compute_all_addw, compute_c_addw },
  5264 + [CC_OP_ADDL] = { compute_all_addl, compute_c_addl },
  5265 +
  5266 + [CC_OP_ADCB] = { compute_all_adcb, compute_c_adcb },
  5267 + [CC_OP_ADCW] = { compute_all_adcw, compute_c_adcw },
  5268 + [CC_OP_ADCL] = { compute_all_adcl, compute_c_adcl },
  5269 +
  5270 + [CC_OP_SUBB] = { compute_all_subb, compute_c_subb },
  5271 + [CC_OP_SUBW] = { compute_all_subw, compute_c_subw },
  5272 + [CC_OP_SUBL] = { compute_all_subl, compute_c_subl },
  5273 +
  5274 + [CC_OP_SBBB] = { compute_all_sbbb, compute_c_sbbb },
  5275 + [CC_OP_SBBW] = { compute_all_sbbw, compute_c_sbbw },
  5276 + [CC_OP_SBBL] = { compute_all_sbbl, compute_c_sbbl },
  5277 +
  5278 + [CC_OP_LOGICB] = { compute_all_logicb, compute_c_logicb },
  5279 + [CC_OP_LOGICW] = { compute_all_logicw, compute_c_logicw },
  5280 + [CC_OP_LOGICL] = { compute_all_logicl, compute_c_logicl },
  5281 +
  5282 + [CC_OP_INCB] = { compute_all_incb, compute_c_incl },
  5283 + [CC_OP_INCW] = { compute_all_incw, compute_c_incl },
  5284 + [CC_OP_INCL] = { compute_all_incl, compute_c_incl },
  5285 +
  5286 + [CC_OP_DECB] = { compute_all_decb, compute_c_incl },
  5287 + [CC_OP_DECW] = { compute_all_decw, compute_c_incl },
  5288 + [CC_OP_DECL] = { compute_all_decl, compute_c_incl },
  5289 +
  5290 + [CC_OP_SHLB] = { compute_all_shlb, compute_c_shlb },
  5291 + [CC_OP_SHLW] = { compute_all_shlw, compute_c_shlw },
  5292 + [CC_OP_SHLL] = { compute_all_shll, compute_c_shll },
  5293 +
  5294 + [CC_OP_SARB] = { compute_all_sarb, compute_c_sarl },
  5295 + [CC_OP_SARW] = { compute_all_sarw, compute_c_sarl },
  5296 + [CC_OP_SARL] = { compute_all_sarl, compute_c_sarl },
  5297 +
  5298 +#ifdef TARGET_X86_64
  5299 + [CC_OP_MULQ] = { compute_all_mulq, compute_c_mull },
  5300 +
  5301 + [CC_OP_ADDQ] = { compute_all_addq, compute_c_addq },
  5302 +
  5303 + [CC_OP_ADCQ] = { compute_all_adcq, compute_c_adcq },
  5304 +
  5305 + [CC_OP_SUBQ] = { compute_all_subq, compute_c_subq },
  5306 +
  5307 + [CC_OP_SBBQ] = { compute_all_sbbq, compute_c_sbbq },
  5308 +
  5309 + [CC_OP_LOGICQ] = { compute_all_logicq, compute_c_logicq },
  5310 +
  5311 + [CC_OP_INCQ] = { compute_all_incq, compute_c_incl },
  5312 +
  5313 + [CC_OP_DECQ] = { compute_all_decq, compute_c_incl },
  5314 +
  5315 + [CC_OP_SHLQ] = { compute_all_shlq, compute_c_shlq },
  5316 +
  5317 + [CC_OP_SARQ] = { compute_all_sarq, compute_c_sarl },
  5318 +#endif
  5319 +};
  5320 +
... ...
target-i386/helper_template.h
  View file @07d2c59
... ... @@ -50,6 +50,223 @@
50 50 #error unhandled operand size
51 51 #endif
52 52  
  53 +/* dynamic flags computation */
  54 +
  55 +static int glue(compute_all_add, SUFFIX)(void)
  56 +{
  57 + int cf, pf, af, zf, sf, of;
  58 + target_long src1, src2;
  59 + src1 = CC_SRC;
  60 + src2 = CC_DST - CC_SRC;
  61 + cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1;
  62 + pf = parity_table[(uint8_t)CC_DST];
  63 + af = (CC_DST ^ src1 ^ src2) & 0x10;
  64 + zf = ((DATA_TYPE)CC_DST == 0) << 6;
  65 + sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
  66 + of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
  67 + return cf | pf | af | zf | sf | of;
  68 +}
  69 +
  70 +static int glue(compute_c_add, SUFFIX)(void)
  71 +{
  72 + int cf;
  73 + target_long src1;
  74 + src1 = CC_SRC;
  75 + cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1;
  76 + return cf;
  77 +}
  78 +
  79 +static int glue(compute_all_adc, SUFFIX)(void)
  80 +{
  81 + int cf, pf, af, zf, sf, of;
  82 + target_long src1, src2;
  83 + src1 = CC_SRC;
  84 + src2 = CC_DST - CC_SRC - 1;
  85 + cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1;
  86 + pf = parity_table[(uint8_t)CC_DST];
  87 + af = (CC_DST ^ src1 ^ src2) & 0x10;
  88 + zf = ((DATA_TYPE)CC_DST == 0) << 6;
  89 + sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
  90 + of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
  91 + return cf | pf | af | zf | sf | of;
  92 +}
  93 +
  94 +static int glue(compute_c_adc, SUFFIX)(void)
  95 +{
  96 + int cf;
  97 + target_long src1;
  98 + src1 = CC_SRC;
  99 + cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1;
  100 + return cf;
  101 +}
  102 +
  103 +static int glue(compute_all_sub, SUFFIX)(void)
  104 +{
  105 + int cf, pf, af, zf, sf, of;
  106 + target_long src1, src2;
  107 + src1 = CC_DST + CC_SRC;
  108 + src2 = CC_SRC;
  109 + cf = (DATA_TYPE)src1 < (DATA_TYPE)src2;
  110 + pf = parity_table[(uint8_t)CC_DST];
  111 + af = (CC_DST ^ src1 ^ src2) & 0x10;
  112 + zf = ((DATA_TYPE)CC_DST == 0) << 6;
  113 + sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
  114 + of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
  115 + return cf | pf | af | zf | sf | of;
  116 +}
  117 +
  118 +static int glue(compute_c_sub, SUFFIX)(void)
  119 +{
  120 + int cf;
  121 + target_long src1, src2;
  122 + src1 = CC_DST + CC_SRC;
  123 + src2 = CC_SRC;
  124 + cf = (DATA_TYPE)src1 < (DATA_TYPE)src2;
  125 + return cf;
  126 +}
  127 +
  128 +static int glue(compute_all_sbb, SUFFIX)(void)
  129 +{
  130 + int cf, pf, af, zf, sf, of;
  131 + target_long src1, src2;
  132 + src1 = CC_DST + CC_SRC + 1;
  133 + src2 = CC_SRC;
  134 + cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2;
  135 + pf = parity_table[(uint8_t)CC_DST];
  136 + af = (CC_DST ^ src1 ^ src2) & 0x10;
  137 + zf = ((DATA_TYPE)CC_DST == 0) << 6;
  138 + sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
  139 + of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
  140 + return cf | pf | af | zf | sf | of;
  141 +}
  142 +
  143 +static int glue(compute_c_sbb, SUFFIX)(void)
  144 +{
  145 + int cf;
  146 + target_long src1, src2;
  147 + src1 = CC_DST + CC_SRC + 1;
  148 + src2 = CC_SRC;
  149 + cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2;
  150 + return cf;
  151 +}
  152 +
  153 +static int glue(compute_all_logic, SUFFIX)(void)
  154 +{
  155 + int cf, pf, af, zf, sf, of;
  156 + cf = 0;
  157 + pf = parity_table[(uint8_t)CC_DST];
  158 + af = 0;
  159 + zf = ((DATA_TYPE)CC_DST == 0) << 6;
  160 + sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
  161 + of = 0;
  162 + return cf | pf | af | zf | sf | of;
  163 +}
  164 +
  165 +static int glue(compute_c_logic, SUFFIX)(void)
  166 +{
  167 + return 0;
  168 +}
  169 +
  170 +static int glue(compute_all_inc, SUFFIX)(void)
  171 +{
  172 + int cf, pf, af, zf, sf, of;
  173 + target_long src1, src2;
  174 + src1 = CC_DST - 1;
  175 + src2 = 1;
  176 + cf = CC_SRC;
  177 + pf = parity_table[(uint8_t)CC_DST];
  178 + af = (CC_DST ^ src1 ^ src2) & 0x10;
  179 + zf = ((DATA_TYPE)CC_DST == 0) << 6;
  180 + sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
  181 + of = ((CC_DST & DATA_MASK) == SIGN_MASK) << 11;
  182 + return cf | pf | af | zf | sf | of;
  183 +}
  184 +
  185 +#if DATA_BITS == 32
  186 +static int glue(compute_c_inc, SUFFIX)(void)
  187 +{
  188 + return CC_SRC;
  189 +}
  190 +#endif
  191 +
  192 +static int glue(compute_all_dec, SUFFIX)(void)
  193 +{
  194 + int cf, pf, af, zf, sf, of;
  195 + target_long src1, src2;
  196 + src1 = CC_DST + 1;
  197 + src2 = 1;
  198 + cf = CC_SRC;
  199 + pf = parity_table[(uint8_t)CC_DST];
  200 + af = (CC_DST ^ src1 ^ src2) & 0x10;
  201 + zf = ((DATA_TYPE)CC_DST == 0) << 6;
  202 + sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
  203 + of = ((CC_DST & DATA_MASK) == ((target_ulong)SIGN_MASK - 1)) << 11;
  204 + return cf | pf | af | zf | sf | of;
  205 +}
  206 +
  207 +static int glue(compute_all_shl, SUFFIX)(void)
  208 +{
  209 + int cf, pf, af, zf, sf, of;
  210 + cf = (CC_SRC >> (DATA_BITS - 1)) & CC_C;
  211 + pf = parity_table[(uint8_t)CC_DST];
  212 + af = 0; /* undefined */
  213 + zf = ((DATA_TYPE)CC_DST == 0) << 6;
  214 + sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
  215 + /* of is defined if shift count == 1 */
  216 + of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O;
  217 + return cf | pf | af | zf | sf | of;
  218 +}
  219 +
  220 +static int glue(compute_c_shl, SUFFIX)(void)
  221 +{
  222 + return (CC_SRC >> (DATA_BITS - 1)) & CC_C;
  223 +}
  224 +
  225 +#if DATA_BITS == 32
  226 +static int glue(compute_c_sar, SUFFIX)(void)
  227 +{
  228 + return CC_SRC & 1;
  229 +}
  230 +#endif
  231 +
  232 +static int glue(compute_all_sar, SUFFIX)(void)
  233 +{
  234 + int cf, pf, af, zf, sf, of;
  235 + cf = CC_SRC & 1;
  236 + pf = parity_table[(uint8_t)CC_DST];
  237 + af = 0; /* undefined */
  238 + zf = ((DATA_TYPE)CC_DST == 0) << 6;
  239 + sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
  240 + /* of is defined if shift count == 1 */
  241 + of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O;
  242 + return cf | pf | af | zf | sf | of;
  243 +}
  244 +
  245 +#if DATA_BITS == 32
  246 +static int glue(compute_c_mul, SUFFIX)(void)
  247 +{
  248 + int cf;
  249 + cf = (CC_SRC != 0);
  250 + return cf;
  251 +}
  252 +#endif
  253 +
  254 +/* NOTE: we compute the flags like the P4. On olders CPUs, only OF and
  255 + CF are modified and it is slower to do that. */
  256 +static int glue(compute_all_mul, SUFFIX)(void)
  257 +{
  258 + int cf, pf, af, zf, sf, of;
  259 + cf = (CC_SRC != 0);
  260 + pf = parity_table[(uint8_t)CC_DST];
  261 + af = 0; /* undefined */
  262 + zf = ((DATA_TYPE)CC_DST == 0) << 6;
  263 + sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
  264 + of = cf << 11;
  265 + return cf | pf | af | zf | sf | of;
  266 +}
  267 +
  268 +/* shifts */
  269 +
53 270 target_ulong glue(helper_rcl, SUFFIX)(target_ulong t0, target_ulong t1)
54 271 {
55 272 int count, eflags;
... ...
target-i386/op.c
  View file @07d2c59
... ... @@ -752,84 +752,6 @@ void OPPROTO op_salc(void)
752 752 EAX = (EAX & ~0xff) | ((-cf) & 0xff);
753 753 }
754 754  
755   -static int compute_all_eflags(void)
756   -{
757   - return CC_SRC;
758   -}
759   -
760   -static int compute_c_eflags(void)
761   -{
762   - return CC_SRC & CC_C;
763   -}
764   -
765   -CCTable cc_table[CC_OP_NB] = {
766   - [CC_OP_DYNAMIC] = { /* should never happen */ },
767   -
768   - [CC_OP_EFLAGS] = { compute_all_eflags, compute_c_eflags },
769   -
770   - [CC_OP_MULB] = { compute_all_mulb, compute_c_mull },
771   - [CC_OP_MULW] = { compute_all_mulw, compute_c_mull },
772   - [CC_OP_MULL] = { compute_all_mull, compute_c_mull },
773   -
774   - [CC_OP_ADDB] = { compute_all_addb, compute_c_addb },
775   - [CC_OP_ADDW] = { compute_all_addw, compute_c_addw },
776   - [CC_OP_ADDL] = { compute_all_addl, compute_c_addl },
777   -
778   - [CC_OP_ADCB] = { compute_all_adcb, compute_c_adcb },
779   - [CC_OP_ADCW] = { compute_all_adcw, compute_c_adcw },
780   - [CC_OP_ADCL] = { compute_all_adcl, compute_c_adcl },
781   -
782   - [CC_OP_SUBB] = { compute_all_subb, compute_c_subb },
783   - [CC_OP_SUBW] = { compute_all_subw, compute_c_subw },
784   - [CC_OP_SUBL] = { compute_all_subl, compute_c_subl },
785   -
786   - [CC_OP_SBBB] = { compute_all_sbbb, compute_c_sbbb },
787   - [CC_OP_SBBW] = { compute_all_sbbw, compute_c_sbbw },
788   - [CC_OP_SBBL] = { compute_all_sbbl, compute_c_sbbl },
789   -
790   - [CC_OP_LOGICB] = { compute_all_logicb, compute_c_logicb },
791   - [CC_OP_LOGICW] = { compute_all_logicw, compute_c_logicw },
792   - [CC_OP_LOGICL] = { compute_all_logicl, compute_c_logicl },
793   -
794   - [CC_OP_INCB] = { compute_all_incb, compute_c_incl },
795   - [CC_OP_INCW] = { compute_all_incw, compute_c_incl },
796   - [CC_OP_INCL] = { compute_all_incl, compute_c_incl },
797   -
798   - [CC_OP_DECB] = { compute_all_decb, compute_c_incl },
799   - [CC_OP_DECW] = { compute_all_decw, compute_c_incl },
800   - [CC_OP_DECL] = { compute_all_decl, compute_c_incl },
801   -
802   - [CC_OP_SHLB] = { compute_all_shlb, compute_c_shlb },
803   - [CC_OP_SHLW] = { compute_all_shlw, compute_c_shlw },
804   - [CC_OP_SHLL] = { compute_all_shll, compute_c_shll },
805   -
806   - [CC_OP_SARB] = { compute_all_sarb, compute_c_sarl },
807   - [CC_OP_SARW] = { compute_all_sarw, compute_c_sarl },
808   - [CC_OP_SARL] = { compute_all_sarl, compute_c_sarl },
809   -
810   -#ifdef TARGET_X86_64
811   - [CC_OP_MULQ] = { compute_all_mulq, compute_c_mull },
812   -
813   - [CC_OP_ADDQ] = { compute_all_addq, compute_c_addq },
814   -
815   - [CC_OP_ADCQ] = { compute_all_adcq, compute_c_adcq },
816   -
817   - [CC_OP_SUBQ] = { compute_all_subq, compute_c_subq },
818   -
819   - [CC_OP_SBBQ] = { compute_all_sbbq, compute_c_sbbq },
820   -
821   - [CC_OP_LOGICQ] = { compute_all_logicq, compute_c_logicq },
822   -
823   - [CC_OP_INCQ] = { compute_all_incq, compute_c_incl },
824   -
825   - [CC_OP_DECQ] = { compute_all_decq, compute_c_incl },
826   -
827   - [CC_OP_SHLQ] = { compute_all_shlq, compute_c_shlq },
828   -
829   - [CC_OP_SARQ] = { compute_all_sarq, compute_c_sarl },
830   -#endif
831   -};
832   -
833 755 void OPPROTO op_fcomi_dummy(void)
834 756 {
835 757 T0 = 0;
... ...
target-i386/ops_template.h
  View file @07d2c59
... ... @@ -51,221 +51,6 @@
51 51 #error unhandled operand size
52 52 #endif
53 53  
54   -/* dynamic flags computation */
55   -
56   -static int glue(compute_all_add, SUFFIX)(void)
57   -{
58   - int cf, pf, af, zf, sf, of;
59   - target_long src1, src2;
60   - src1 = CC_SRC;
61   - src2 = CC_DST - CC_SRC;
62   - cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1;
63   - pf = parity_table[(uint8_t)CC_DST];
64   - af = (CC_DST ^ src1 ^ src2) & 0x10;
65   - zf = ((DATA_TYPE)CC_DST == 0) << 6;
66   - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
67   - of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
68   - return cf | pf | af | zf | sf | of;
69   -}
70   -
71   -static int glue(compute_c_add, SUFFIX)(void)
72   -{
73   - int cf;
74   - target_long src1;
75   - src1 = CC_SRC;
76   - cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1;
77   - return cf;
78   -}
79   -
80   -static int glue(compute_all_adc, SUFFIX)(void)
81   -{
82   - int cf, pf, af, zf, sf, of;
83   - target_long src1, src2;
84   - src1 = CC_SRC;
85   - src2 = CC_DST - CC_SRC - 1;
86   - cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1;
87   - pf = parity_table[(uint8_t)CC_DST];
88   - af = (CC_DST ^ src1 ^ src2) & 0x10;
89   - zf = ((DATA_TYPE)CC_DST == 0) << 6;
90   - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
91   - of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
92   - return cf | pf | af | zf | sf | of;
93   -}
94   -
95   -static int glue(compute_c_adc, SUFFIX)(void)
96   -{
97   - int cf;
98   - target_long src1;
99   - src1 = CC_SRC;
100   - cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1;
101   - return cf;
102   -}
103   -
104   -static int glue(compute_all_sub, SUFFIX)(void)
105   -{
106   - int cf, pf, af, zf, sf, of;
107   - target_long src1, src2;
108   - src1 = CC_DST + CC_SRC;
109   - src2 = CC_SRC;
110   - cf = (DATA_TYPE)src1 < (DATA_TYPE)src2;
111   - pf = parity_table[(uint8_t)CC_DST];
112   - af = (CC_DST ^ src1 ^ src2) & 0x10;
113   - zf = ((DATA_TYPE)CC_DST == 0) << 6;
114   - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
115   - of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
116   - return cf | pf | af | zf | sf | of;
117   -}
118   -
119   -static int glue(compute_c_sub, SUFFIX)(void)
120   -{
121   - int cf;
122   - target_long src1, src2;
123   - src1 = CC_DST + CC_SRC;
124   - src2 = CC_SRC;
125   - cf = (DATA_TYPE)src1 < (DATA_TYPE)src2;
126   - return cf;
127   -}
128   -
129   -static int glue(compute_all_sbb, SUFFIX)(void)
130   -{
131   - int cf, pf, af, zf, sf, of;
132   - target_long src1, src2;
133   - src1 = CC_DST + CC_SRC + 1;
134   - src2 = CC_SRC;
135   - cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2;
136   - pf = parity_table[(uint8_t)CC_DST];
137   - af = (CC_DST ^ src1 ^ src2) & 0x10;
138   - zf = ((DATA_TYPE)CC_DST == 0) << 6;
139   - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
140   - of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
141   - return cf | pf | af | zf | sf | of;
142   -}
143   -
144   -static int glue(compute_c_sbb, SUFFIX)(void)
145   -{
146   - int cf;
147   - target_long src1, src2;
148   - src1 = CC_DST + CC_SRC + 1;
149   - src2 = CC_SRC;
150   - cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2;
151   - return cf;
152   -}
153   -
154   -static int glue(compute_all_logic, SUFFIX)(void)
155   -{
156   - int cf, pf, af, zf, sf, of;
157   - cf = 0;
158   - pf = parity_table[(uint8_t)CC_DST];
159   - af = 0;
160   - zf = ((DATA_TYPE)CC_DST == 0) << 6;
161   - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
162   - of = 0;
163   - return cf | pf | af | zf | sf | of;
164   -}
165   -
166   -static int glue(compute_c_logic, SUFFIX)(void)
167   -{
168   - return 0;
169   -}
170   -
171   -static int glue(compute_all_inc, SUFFIX)(void)
172   -{
173   - int cf, pf, af, zf, sf, of;
174   - target_long src1, src2;
175   - src1 = CC_DST - 1;
176   - src2 = 1;
177   - cf = CC_SRC;
178   - pf = parity_table[(uint8_t)CC_DST];
179   - af = (CC_DST ^ src1 ^ src2) & 0x10;
180   - zf = ((DATA_TYPE)CC_DST == 0) << 6;
181   - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
182   - of = ((CC_DST & DATA_MASK) == SIGN_MASK) << 11;
183   - return cf | pf | af | zf | sf | of;
184   -}
185   -
186   -#if DATA_BITS == 32
187   -static int glue(compute_c_inc, SUFFIX)(void)
188   -{
189   - return CC_SRC;
190   -}
191   -#endif
192   -
193   -static int glue(compute_all_dec, SUFFIX)(void)
194   -{
195   - int cf, pf, af, zf, sf, of;
196   - target_long src1, src2;
197   - src1 = CC_DST + 1;
198   - src2 = 1;
199   - cf = CC_SRC;
200   - pf = parity_table[(uint8_t)CC_DST];
201   - af = (CC_DST ^ src1 ^ src2) & 0x10;
202   - zf = ((DATA_TYPE)CC_DST == 0) << 6;
203   - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
204   - of = ((CC_DST & DATA_MASK) == ((target_ulong)SIGN_MASK - 1)) << 11;
205   - return cf | pf | af | zf | sf | of;
206   -}
207   -
208   -static int glue(compute_all_shl, SUFFIX)(void)
209   -{
210   - int cf, pf, af, zf, sf, of;
211   - cf = (CC_SRC >> (DATA_BITS - 1)) & CC_C;
212   - pf = parity_table[(uint8_t)CC_DST];
213   - af = 0; /* undefined */
214   - zf = ((DATA_TYPE)CC_DST == 0) << 6;
215   - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
216   - /* of is defined if shift count == 1 */
217   - of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O;
218   - return cf | pf | af | zf | sf | of;
219   -}
220   -
221   -static int glue(compute_c_shl, SUFFIX)(void)
222   -{
223   - return (CC_SRC >> (DATA_BITS - 1)) & CC_C;
224   -}
225   -
226   -#if DATA_BITS == 32
227   -static int glue(compute_c_sar, SUFFIX)(void)
228   -{
229   - return CC_SRC & 1;
230   -}
231   -#endif
232   -
233   -static int glue(compute_all_sar, SUFFIX)(void)
234   -{
235   - int cf, pf, af, zf, sf, of;
236   - cf = CC_SRC & 1;
237   - pf = parity_table[(uint8_t)CC_DST];
238   - af = 0; /* undefined */
239   - zf = ((DATA_TYPE)CC_DST == 0) << 6;
240   - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
241   - /* of is defined if shift count == 1 */
242   - of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O;
243   - return cf | pf | af | zf | sf | of;
244   -}
245   -
246   -#if DATA_BITS == 32
247   -static int glue(compute_c_mul, SUFFIX)(void)
248   -{
249   - int cf;
250   - cf = (CC_SRC != 0);
251   - return cf;
252   -}
253   -#endif
254   -
255   -/* NOTE: we compute the flags like the P4. On olders CPUs, only OF and
256   - CF are modified and it is slower to do that. */
257   -static int glue(compute_all_mul, SUFFIX)(void)
258   -{
259   - int cf, pf, af, zf, sf, of;
260   - cf = (CC_SRC != 0);
261   - pf = parity_table[(uint8_t)CC_DST];
262   - af = 0; /* undefined */
263   - zf = ((DATA_TYPE)CC_DST == 0) << 6;
264   - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
265   - of = cf << 11;
266   - return cf | pf | af | zf | sf | of;
267   -}
268   -
269 54 /* various optimized jumps cases */
270 55  
271 56 void OPPROTO glue(op_jb_sub, SUFFIX)(void)
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