[30/41] target/sparc: Implement XMULX

Commit Message

Richard Henderson March 2, 2024, 5:15 a.m. UTC

Signed-off-by: Richard Henderson <[e-mail]>
---
 target/sparc/helper.h     |  2 ++
 target/sparc/translate.c  |  4 ++++
 target/sparc/vis_helper.c | 11 +++++++++++
 target/sparc/insns.decode |  2 ++
 4 files changed, 19 insertions(+)

Patch

diff --git a/target/sparc/helper.h b/target/sparc/helper.h
index 56daf2ad01..9b642fd74b 100644
--- a/target/sparc/helper.h
+++ b/target/sparc/helper.h
@@ -130,6 +130,8 @@  DEF_HELPER_FLAGS_2(fcmpeq8, TCG_CALL_NO_RWG_SE, i64, i64, i64)
 DEF_HELPER_FLAGS_2(fcmpne8, TCG_CALL_NO_RWG_SE, i64, i64, i64)
 DEF_HELPER_FLAGS_2(fcmpule8, TCG_CALL_NO_RWG_SE, i64, i64, i64)
 DEF_HELPER_FLAGS_2(fcmpugt8, TCG_CALL_NO_RWG_SE, i64, i64, i64)
+DEF_HELPER_FLAGS_2(xmulx, TCG_CALL_NO_RWG_SE, i64, i64, i64)
+DEF_HELPER_FLAGS_2(xmulxhi, TCG_CALL_NO_RWG_SE, i64, i64, i64)
 #endif
 #undef VIS_HELPER
 #undef VIS_CMPHELPER
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 2d697d2020..f8db98c32f 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -91,6 +91,8 @@ 
 # define gen_helper_fxtoq                ({ qemu_build_not_reached(); NULL; })
 # define gen_helper_fxtos                ({ qemu_build_not_reached(); NULL; })
 # define gen_helper_pdist                ({ qemu_build_not_reached(); NULL; })
+# define gen_helper_xmulx                ({ qemu_build_not_reached(); NULL; })
+# define gen_helper_xmulxhi              ({ qemu_build_not_reached(); NULL; })
 # define MAXTL_MASK                             0
 #endif
 
@@ -5081,6 +5083,8 @@  TRANS(FPCMPULE8, VIS3B, do_rdd, a, gen_helper_fcmpule8)
 TRANS(FPCMPUGT8, VIS3B, do_rdd, a, gen_helper_fcmpugt8)
 
 TRANS(PDISTN, VIS3, do_rdd, a, gen_op_pdistn)
+TRANS(XMULX, VIS3, do_rdd, a, gen_helper_xmulx)
+TRANS(XMULXHI, VIS3, do_rdd, a, gen_helper_xmulxhi)
 
 static bool do_env_ddd(DisasContext *dc, arg_r_r_r *a,
                        void (*func)(TCGv_i64, TCGv_env, TCGv_i64, TCGv_i64))
diff --git a/target/sparc/vis_helper.c b/target/sparc/vis_helper.c
index 8675ac64b3..387acb3855 100644
--- a/target/sparc/vis_helper.c
+++ b/target/sparc/vis_helper.c
@@ -20,6 +20,7 @@ 
 #include "qemu/osdep.h"
 #include "cpu.h"
 #include "exec/helper-proto.h"
+#include "crypto/clmul.h"
 
 /* This function uses non-native bit order */
 #define GET_FIELD(X, FROM, TO)                                  \
@@ -492,3 +493,13 @@  uint64_t helper_fslas32(uint64_t src1, uint64_t src2)
 
     return r.ll;
 }
+
+uint64_t helper_xmulx(uint64_t src1, uint64_t src2)
+{
+    return int128_getlo(clmul_64(src1, src2));
+}
+
+uint64_t helper_xmulxhi(uint64_t src1, uint64_t src2)
+{
+    return int128_gethi(clmul_64(src1, src2));
+}
diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index 0cd1cffe18..54ba329440 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -391,6 +391,8 @@  FCMPEq      10 000 cc:2 110101 .....  0 0101 0111 .....    \
     ADDXCcc     10 ..... 110110 ..... 0 0001 0011 .....    @r_r_r
     UMULXHI     10 ..... 110110 ..... 0 0001 0110 .....    @r_r_r
     LZCNT       10 ..... 110110 00000 0 0001 0111 .....    @r_r2
+    XMULX       10 ..... 110110 ..... 1 0001 0101 .....    @r_r_r
+    XMULXHI     10 ..... 110110 ..... 1 0001 0110 .....    @r_r_r
 
     ALIGNADDR   10 ..... 110110 ..... 0 0001 1000 .....    @r_r_r
     ALIGNADDRL  10 ..... 110110 ..... 0 0001 1010 .....    @r_r_r