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Line 34... | Line 34... | ||
34 | context_save: |
34 | context_save: |
35 | alloc loc0 = ar.pfs, 1, 11, 0, 0 |
35 | alloc loc0 = ar.pfs, 1, 11, 0, 0 |
36 | mov loc1 = ar.unat ;; |
36 | mov loc1 = ar.unat ;; |
37 | /* loc2 */ |
37 | /* loc2 */ |
38 | mov loc3 = ar.rsc |
38 | mov loc3 = ar.rsc |
- | 39 | ||
- | 40 | .auto |
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- | 41 | ||
- | 42 | /* |
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- | 43 | * Flush dirty registers to backing store. |
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- | 44 | * After this ar.bsp and ar.bspstore are equal. |
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- | 45 | */ |
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- | 46 | flushrs |
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39 | mov loc4 = ar.bsp |
47 | mov loc4 = ar.bsp |
- | 48 | ||
- | 49 | /* |
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- | 50 | * Put RSE to enforced lazy mode. |
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- | 51 | * So that ar.rnat can be read. |
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- | 52 | */ |
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- | 53 | movl loc5 = ~3 |
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- | 54 | and loc5 = loc3, loc5 |
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- | 55 | mov ar.rsc = loc5 |
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40 | mov loc5 = ar.rnat |
56 | mov loc5 = ar.rnat |
- | 57 | ||
- | 58 | .explicit |
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- | 59 | ||
41 | mov loc6 = ar.lc |
60 | mov loc6 = ar.lc |
42 | mov loc7 = ar.ec |
61 | mov loc7 = ar.ec |
43 | mov loc8 = ar.ccv |
62 | mov loc8 = ar.ccv |
44 | mov loc9 = ar.csd |
63 | mov loc9 = ar.csd |
45 | mov loc10 = ar.ssd |
64 | mov loc10 = ar.ssd |
Line 143... | Line 162... | ||
143 | ld8 loc7 = [in0], 8 ;; /* load ar.ec */ |
162 | ld8 loc7 = [in0], 8 ;; /* load ar.ec */ |
144 | ld8 loc8 = [in0], 8 ;; /* load ar.ccv */ |
163 | ld8 loc8 = [in0], 8 ;; /* load ar.ccv */ |
145 | ld8 loc9 = [in0], 8 ;; /* load ar.csd */ |
164 | ld8 loc9 = [in0], 8 ;; /* load ar.csd */ |
146 | ld8 loc10 = [in0], 8 ;; /* load ar.ssd */ |
165 | ld8 loc10 = [in0], 8 ;; /* load ar.ssd */ |
147 | 166 | ||
- | 167 | .auto |
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- | 168 | ||
- | 169 | /* |
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- | 170 | * Invalidate the ALAT |
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- | 171 | */ |
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- | 172 | invala |
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- | 173 | ||
148 | /* |
174 | /* |
149 | * Restore application registers |
175 | * Restore application registers |
150 | */ |
176 | */ |
- | 177 | ||
- | 178 | mov ar.bspstore = loc4 |
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- | 179 | mov ar.rnat = loc5 |
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- | 180 | mov ar.pfs = loc0 |
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- | 181 | mov ar.rsc = loc3 |
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- | 182 | ||
- | 183 | .explicit |
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- | 184 | ||
151 | mov ar.unat = loc2 ;; |
185 | mov ar.unat = loc2 ;; |
152 | /* TODO: restore ar.rsc, ar.rnat, ar.bspstore */ |
- | |
153 | mov ar.lc = loc6 |
186 | mov ar.lc = loc6 |
154 | mov ar.ec = loc7 |
187 | mov ar.ec = loc7 |
155 | mov ar.ccv = loc8 |
188 | mov ar.ccv = loc8 |
156 | mov ar.csd = loc9 |
189 | mov ar.csd = loc9 |
157 | mov ar.ssd = loc10 |
190 | mov ar.ssd = loc10 |
Line 215... | Line 248... | ||
215 | * Restore predicate registers |
248 | * Restore predicate registers |
216 | */ |
249 | */ |
217 | ld8 loc2 = [in0], 8 ;; |
250 | ld8 loc2 = [in0], 8 ;; |
218 | mov pr = loc2, ~0 |
251 | mov pr = loc2, ~0 |
219 | 252 | ||
220 | mov ar.pfs = loc0 |
- | |
221 | mov ar.unat = loc1 |
253 | mov ar.unat = loc1 |
222 | 254 | ||
223 | mov r8 = r0 /* context_restore returns 0 */ |
255 | mov r8 = r0 /* context_restore returns 0 */ |
224 | br.ret.sptk.many b0 |
256 | br.ret.sptk.many b0 |