target/sparc: Implement XMULX

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

diff --git a/target/sparc/helper.h b/target/sparc/helper.h
index 4ae97866afa114f805364475eac6609d1182aeb4..fe0d8bc59393152d774f0cd8654505b972253722 100644 (file)
--- a/target/sparc/helper.h
+++ b/target/sparc/helper.h
@@ -135,6 +135,8 @@ 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/insns.decode b/target/sparc/insns.decode
index 508175eccdb80f5f8585dedb7b29401d4e13e5cd..1d54de5367847fa6b7831035627b4f5015da406c 100644 (file)
--- 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

diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 2a38152f580b096de05f7952daa1c48f14bf9d79..971e7dae8027e715e9b7cf903aebf0e5713a1593 100644 (file)
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -90,6 +90,8 @@
 # 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
 
@@ -5088,6 +5090,8 @@ 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_rrr, a, gen_helper_xmulx)
+TRANS(XMULXHI, VIS3, do_rrr, 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 c21522c5335a6bce1fb6d7a515c5988687c46c6b..c927a054b8bd1c9ffb960ee229e293a0757dcb62 100644 (file)
--- 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"
 
 target_ulong helper_array8(target_ulong rs1, target_ulong rs2)
 {
@@ -509,3 +510,13 @@ 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));
+}