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authorptitSeb <sebastien.chev@gmail.com>2025-04-29 17:33:52 +0200
committerptitSeb <sebastien.chev@gmail.com>2025-04-29 17:33:52 +0200
commit17cbeab0be9f7919eb37a2e74d131d47ac7a6285 (patch)
treedc4269855e7dbf3e7c14c959bd2c53e27bbd0cf9 /src
parent313e16d2bc91a7ed84f3efa17db074e8b534902e (diff)
downloadbox64-17cbeab0be9f7919eb37a2e74d131d47ac7a6285.tar.gz
box64-17cbeab0be9f7919eb37a2e74d131d47ac7a6285.zip
[ARM64_DYNAREC] Switched RPCPS opcode to precise 1/A instead of approximate
Diffstat (limited to 'src')
-rw-r--r--src/dynarec/arm64/dynarec_arm64_0f.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/dynarec/arm64/dynarec_arm64_0f.c b/src/dynarec/arm64/dynarec_arm64_0f.c
index 2ea3cb71..9f2ba58a 100644
--- a/src/dynarec/arm64/dynarec_arm64_0f.c
+++ b/src/dynarec/arm64/dynarec_arm64_0f.c
@@ -1098,9 +1098,10 @@ uintptr_t dynarec64_0F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
         case 0x53:

             INST_NAME("RCPPS Gx, Ex");

             nextop = F8;

-            SKIPTEST(x1);

             GETEX(q0, 0, 0);

             GETGX_empty(q1);

+            #if 0

+            SKIPTEST(x1);

             if(q0 == q1)

                 v1 = fpu_get_scratch(dyn, ninst);

             else

@@ -1109,6 +1110,11 @@ uintptr_t dynarec64_0F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
             VFRECPEQS(v0, q0);

             VFRECPSQS(v1, v0, q0);

             VFMULQS(q1, v0, v1);

+            #else

+            v0 = fpu_get_scratch(dyn, ninst);

+            VFMOVSQ_8(v0, 0b01110000);    //1.0f

+            VFDIVQS(q1, v0, q0);

+            #endif

             break;

         case 0x54:

             INST_NAME("ANDPS Gx, Ex");