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authorptitSeb <sebastien.chev@gmail.com>2024-05-27 13:14:22 +0200
committerptitSeb <sebastien.chev@gmail.com>2024-05-27 13:14:22 +0200
commitbdeb8d7ee2198826c1eed283199ee495000d0004 (patch)
tree28fd71917a48938cca981b55aad3ec115be99660
parentde831ee5ac321883dcbad8408082c2423439781c (diff)
downloadbox64-bdeb8d7ee2198826c1eed283199ee495000d0004.tar.gz
box64-bdeb8d7ee2198826c1eed283199ee495000d0004.zip
[ARM64_DYNAREC] Some fixes to opcode when src is same as dest
-rw-r--r--src/dynarec/arm64/dynarec_arm64_660f.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/dynarec/arm64/dynarec_arm64_660f.c b/src/dynarec/arm64/dynarec_arm64_660f.c
index 5348ed4d..2afbd088 100644
--- a/src/dynarec/arm64/dynarec_arm64_660f.c
+++ b/src/dynarec/arm64/dynarec_arm64_660f.c
@@ -358,16 +358,22 @@ uintptr_t dynarec64_660F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int n
                     GETEX(q1, 0, 0);

                     v0 = fpu_get_scratch(dyn);

                     v1 = fpu_get_scratch(dyn);

+                    if(q0==q1)

+                        d0 = fpu_get_scratch(dyn);

+                    else

+                        d0 = q0;

                     UXTL_8(v0, q0);   // this is unsigned, so 0 extended

                     SXTL_8(v1, q1);   // this is signed

                     VMULQ_16(v0, v0, v1);

                     SADDLPQ_16(v1, v0);

                     UXTL2_8(v0, q0);   // this is unsigned

-                    SQXTN_16(q0, v1);   // SQXTN reset the vector so need to grab the high part first

+                    SQXTN_16(d0, v1);   // SQXTN reset the vector so need to grab the high part first

                     SXTL2_8(v1, q1);   // this is signed

                     VMULQ_16(v0, v0, v1);

                     SADDLPQ_16(v0, v0);

-                    SQXTN2_16(q0, v0);

+                    SQXTN2_16(d0, v0);

+                    if(q0!=d0)

+                        VMOVQ(q0, d0);

                     break;

 

                 case 0x05: