[ARM64_DYNAREC] Added unaligned code for F3 0F 7F opcode

ptitSeb · Jan 15, 2025 · 8c71178 · 8c71178
1 parent 72df0bd
commit 8c71178
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Showing 2 changed files with 16 additions and 4 deletions.
diff --git a/src/dynarec/arm64/dynarec_arm64_f30f.c b/src/dynarec/arm64/dynarec_arm64_f30f.c
@@ -421,8 +421,20 @@ uintptr_t dynarec64_F30F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int n
                 v1 = sse_get_reg_empty(dyn, ninst, x1, (nextop&7) + (rex.b<<3));
                 VMOVQ(v1, v0);
             } else {
-                addr = geted(dyn, addr, ninst, nextop, &ed, x1, &fixedaddress, &unscaled, 0xfff<<4, 15, rex, NULL, 0, 0);
-                VST128(v0, ed, fixedaddress);
+                IF_UNALIGNED(ip) {
+                    addr = geted(dyn, addr, ninst, nextop, &wback, x1, &fixedaddress, NULL, 0, 0, rex, NULL, 0, 0);
+                    if(wback!=x1) {
+                        MOVx_REG(x1, wback);
+                        wback = x1;
+                    }
+                    for(int i=0; i<16; ++i) {
+                        VST1_8(v0, i, wback);
+                        ADDx_U12(wback, wback, 1);
+                    }
+                } else {
+                    addr = geted(dyn, addr, ninst, nextop, &ed, x1, &fixedaddress, &unscaled, 0xfff<<4, 15, rex, NULL, 0, 0);
+                    VST128(v0, ed, fixedaddress);
+                }
                 SMWRITE2();
             }
             break;

diff --git a/src/libtools/signals.c b/src/libtools/signals.c
@@ -1557,9 +1557,9 @@ void my_box64signalhandler(int32_t sig, siginfo_t* info, void * ucntx)
                         old_pc_i = 0;
                     uint8_t* x64 = (uint8_t*)x64pc;
                     if(db)
-                        printf_log(LOG_INFO, "Special unalinged case fixed @%p, opcode=%08x (addr=%p, db=%p, x64pc=%p[%02hhX %02hhX %02hhX %02hhX %02hhX])\n", pc, *(uint32_t*)pc, addr, db, x64pc, x64[0], x64[1], x64[2], x64[3], x64[4], x64[5]);
+                        printf_log(LOG_INFO, "Special unaligned case fixed @%p, opcode=%08x (addr=%p, db=%p, x64pc=%p[%02hhX %02hhX %02hhX %02hhX %02hhX])\n", pc, *(uint32_t*)pc, addr, db, x64pc, x64[0], x64[1], x64[2], x64[3], x64[4], x64[5]);
                     else
-                        printf_log(LOG_INFO, "Special unalinged case fixed @%p, opcode=%08x (addr=%p)\n", pc, *(uint32_t*)pc, addr);
+                        printf_log(LOG_INFO, "Special unaligned case fixed @%p, opcode=%08x (addr=%p)\n", pc, *(uint32_t*)pc, addr);
                 }
             }
             return;