[ARM64_DYNAREC] Small improvement to 0F 5D/5F opcodes

1 files changed, 6 insertions, 10 deletions

diff --git a/src/dynarec/arm64/dynarec_arm64_0f.c b/src/dynarec/arm64/dynarec_arm64_0f.c
index 3fe4d540..a3e86df2 100644
--- a/src/dynarec/arm64/dynarec_arm64_0f.c
+++ b/src/dynarec/arm64/dynarec_arm64_0f.c
@@ -1128,14 +1128,12 @@ uintptr_t dynarec64_0F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
             GETEX(v1, 0, 0);

             // FMIN/FMAX wll not copy the value if v0[x] is NaN

             // but x86 will copy if either v0[x] or v1[x] is NaN, so lets force a copy if source is NaN

-            if(!box64_dynarec_fastnan && v0!=v1) {

+            VFMINQS(v0, v0, v1);

+            if(!box64_dynarec_fastnan && (v0!=v1)) {

                 q0 = fpu_get_scratch(dyn, ninst);

                 VFCMEQQS(q0, v0, v0);   // 0 is NaN, 1 is not NaN, so MASK for NaN

-                VANDQ(v0, v0, q0);

-                VBICQ(q0, v1, q0);

-                VORRQ(v0, v0, q0);

+                VBIFQ(v0, v1, q0);   // copy dest where source is NaN

             }

-            VFMINQS(v0, v0, v1);

             break;

         case 0x5E:

             INST_NAME("DIVPS Gx, Ex");

@@ -1151,14 +1149,12 @@ uintptr_t dynarec64_0F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
             GETEX(v1, 0, 0);

             // FMIN/FMAX wll not copy the value if v0[x] is NaN

             // but x86 will copy if either v0[x] or v1[x] is NaN, so lets force a copy if source is NaN

-            if(!box64_dynarec_fastnan && v0!=v1) {

+            VFMAXQS(v0, v0, v1);

+            if(!box64_dynarec_fastnan && (v0!=v1)) {

                 q0 = fpu_get_scratch(dyn, ninst);

                 VFCMEQQS(q0, v0, v0);   // 0 is NaN, 1 is not NaN, so MASK for NaN

-                VANDQ(v0, v0, q0);

-                VBICQ(q0, v1, q0);

-                VORRQ(v0, v0, q0);

+                VBIFQ(v0, v1, q0);   // copy dest where source is NaN

             }

-            VFMAXQS(v0, v0, v1);

             break;

         case 0x60:

             INST_NAME("PUNPCKLBW Gm,Em");