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Diffstat (limited to 'target/arm/tcg/sme_helper.c')
-rw-r--r--target/arm/tcg/sme_helper.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/target/arm/tcg/sme_helper.c b/target/arm/tcg/sme_helper.c
index 094a1e57f3..ee4596e066 100644
--- a/target/arm/tcg/sme_helper.c
+++ b/target/arm/tcg/sme_helper.c
@@ -1737,6 +1737,44 @@ void HELPER(sme2_fcvt_w)(void *vd, void *vs, float_status *fpst, uint32_t desc)
     }
 }
 
+#define UNPK(NAME, SREG, TW, TN, HW, HN)                        \
+void HELPER(NAME)(void *vd, void *vs, uint32_t desc)            \
+{                                                               \
+    ARMVectorReg scratch[SREG];                                 \
+    size_t oprsz = simd_oprsz(desc);                            \
+    size_t n = oprsz / sizeof(TW);                              \
+    if (vectors_overlap(vd, 2 * SREG, vs, SREG)) {              \
+        vs = memcpy(scratch, vs, sizeof(scratch));              \
+    }                                                           \
+    for (size_t r = 0; r < SREG; ++r) {                         \
+        TN *s = vs + r * sizeof(ARMVectorReg);                  \
+        for (size_t i = 0; i < 2; ++i) {                        \
+            TW *d = vd + (2 * r + i) * sizeof(ARMVectorReg);    \
+            for (size_t e = 0; e < n; ++e) {                    \
+                d[HW(e)] = s[HN(i * n + e)];                    \
+            }                                                   \
+        }                                                       \
+    }                                                           \
+}
+
+UNPK(sme2_sunpk2_bh, 1, int16_t, int8_t, H2, H1)
+UNPK(sme2_sunpk2_hs, 1, int32_t, int16_t, H4, H2)
+UNPK(sme2_sunpk2_sd, 1, int64_t, int32_t, H8, H4)
+
+UNPK(sme2_sunpk4_bh, 2, int16_t, int8_t, H2, H1)
+UNPK(sme2_sunpk4_hs, 2, int32_t, int16_t, H4, H2)
+UNPK(sme2_sunpk4_sd, 2, int64_t, int32_t, H8, H4)
+
+UNPK(sme2_uunpk2_bh, 1, uint16_t, uint8_t, H2, H1)
+UNPK(sme2_uunpk2_hs, 1, uint32_t, uint16_t, H4, H2)
+UNPK(sme2_uunpk2_sd, 1, uint64_t, uint32_t, H8, H4)
+
+UNPK(sme2_uunpk4_bh, 2, uint16_t, uint8_t, H2, H1)
+UNPK(sme2_uunpk4_hs, 2, uint32_t, uint16_t, H4, H2)
+UNPK(sme2_uunpk4_sd, 2, uint64_t, uint32_t, H8, H4)
+
+#undef UNPK
+
 /* Deinterleave and convert. */
 void HELPER(sme2_fcvtl)(void *vd, void *vs, float_status *fpst, uint32_t desc)
 {