diff mbox series

[23/61] target/arm: Implement SME2 BMOPA

Message ID 20250206195715.2150758-24-richard.henderson@linaro.org
State New
Headers show
Series target/arm: Implement FEAT_SME2 | expand

Commit Message

Richard Henderson Feb. 6, 2025, 7:56 p.m. UTC 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/tcg/helper-sme.h    |  3 +++
 target/arm/tcg/sme_helper.c    | 34 ++++++++++++++++++++++++----------
 target/arm/tcg/translate-sme.c |  2 ++
 target/arm/tcg/sme.decode      |  2 ++
 4 files changed, 31 insertions(+), 10 deletions(-)
diff mbox series

Patch

diff --git a/target/arm/tcg/helper-sme.h b/target/arm/tcg/helper-sme.h
index 8246ce774c..17d1a7c102 100644
--- a/target/arm/tcg/helper-sme.h
+++ b/target/arm/tcg/helper-sme.h
@@ -153,3 +153,6 @@  DEF_HELPER_FLAGS_6(sme_sumopa_d, TCG_CALL_NO_RWG,
                    void, ptr, ptr, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_6(sme_usmopa_d, TCG_CALL_NO_RWG,
                    void, ptr, ptr, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_6(sme2_bmopa_s, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, ptr, i32)
diff --git a/target/arm/tcg/sme_helper.c b/target/arm/tcg/sme_helper.c
index ee81bece12..6d8e2cedc9 100644
--- a/target/arm/tcg/sme_helper.c
+++ b/target/arm/tcg/sme_helper.c
@@ -1267,17 +1267,31 @@  DEF_IMOP_64(umopa_d, uint16_t, uint16_t)
 DEF_IMOP_64(sumopa_d, int16_t, uint16_t)
 DEF_IMOP_64(usmopa_d, uint16_t, int16_t)
 
-#define DEF_IMOPH(NAME, S) \
-    void HELPER(sme_##NAME##_##S)(void *vza, void *vzn, void *vzm,          \
+#define DEF_IMOPH(P, NAME, S) \
+    void HELPER(P##_##NAME##_##S)(void *vza, void *vzn, void *vzm,          \
                                   void *vpn, void *vpm, uint32_t desc)      \
     { do_imopa_##S(vza, vzn, vzm, vpn, vpm, desc, NAME##_##S); }
 
-DEF_IMOPH(smopa, s)
-DEF_IMOPH(umopa, s)
-DEF_IMOPH(sumopa, s)
-DEF_IMOPH(usmopa, s)
+DEF_IMOPH(sme, smopa, s)
+DEF_IMOPH(sme, umopa, s)
+DEF_IMOPH(sme, sumopa, s)
+DEF_IMOPH(sme, usmopa, s)
 
-DEF_IMOPH(smopa, d)
-DEF_IMOPH(umopa, d)
-DEF_IMOPH(sumopa, d)
-DEF_IMOPH(usmopa, d)
+DEF_IMOPH(sme, smopa, d)
+DEF_IMOPH(sme, umopa, d)
+DEF_IMOPH(sme, sumopa, d)
+DEF_IMOPH(sme, usmopa, d)
+
+static uint32_t bmopa_s(uint32_t n, uint32_t m, uint32_t a, uint8_t p, bool neg)
+{
+    uint32_t sum = ctpop32(~(n ^ m));
+    if (neg) {
+        sum = -sum;
+    }
+    if (!(p & 1)) {
+        sum = 0;
+    }
+    return a + sum;
+}
+
+DEF_IMOPH(sme2, bmopa, s)
diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c
index 8a901f158c..25139cb7aa 100644
--- a/target/arm/tcg/translate-sme.c
+++ b/target/arm/tcg/translate-sme.c
@@ -507,3 +507,5 @@  TRANS_FEAT(SMOPA_d, aa64_sme_i16i64, do_outprod, a, MO_64, gen_helper_sme_smopa_
 TRANS_FEAT(UMOPA_d, aa64_sme_i16i64, do_outprod, a, MO_64, gen_helper_sme_umopa_d)
 TRANS_FEAT(SUMOPA_d, aa64_sme_i16i64, do_outprod, a, MO_64, gen_helper_sme_sumopa_d)
 TRANS_FEAT(USMOPA_d, aa64_sme_i16i64, do_outprod, a, MO_64, gen_helper_sme_usmopa_d)
+
+TRANS_FEAT(BMOPA, aa64_sme2, do_outprod, a, MO_32, gen_helper_sme2_bmopa_s)
diff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode
index 37bd0c6198..de8d04cb87 100644
--- a/target/arm/tcg/sme.decode
+++ b/target/arm/tcg/sme.decode
@@ -165,3 +165,5 @@  SMOPA_d         1010000 0 11 0 ..... ... ... ..... . 0 ...      @op_64
 SUMOPA_d        1010000 0 11 1 ..... ... ... ..... . 0 ...      @op_64
 USMOPA_d        1010000 1 11 0 ..... ... ... ..... . 0 ...      @op_64
 UMOPA_d         1010000 1 11 1 ..... ... ... ..... . 0 ...      @op_64
+
+BMOPA           1000000 0 10 0 ..... ... ... ..... . 10 ..      @op_32