[Qemu-devel] [RFC PATCH 11/11] target/mips: Port MIPS64 DCL[Z/O] to decodetree

["Philippe Mathieu-Daudé" <f4bug@amsat.org>]

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 target/mips/insns.decode    | 12 ++++++++++++
 target/mips/translate.inc.c | 12 ++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/target/mips/insns.decode b/target/mips/insns.decode
index 8a1a7acf3a..e256220211 100644
--- a/target/mips/insns.decode
+++ b/target/mips/insns.decode
@@ -2,9 +2,21 @@
 #
 # From:
 # - MIPS32 Architecture For Programmers Volume II-A (Document Number: MD00086)
+# - MIPS64 Architecture For Programmers Volume II-A (Document Number: MD00087)
+
+&rs_rt_rd       rs rt rd
+
+@rs_rt_rd       ...... rs:5  rt:5  rd:5  00000 ......   &rs_rt_rd
 
 ####
 # System Instructions
 ####
 
 synci           000001 ----- 11111 ----------------          >insn=ISA_MIPS32R2
+
+####
+# Special2 Instructions
+####
+
+dclz            011100 ..... ..... ..... ..... 100100   @rs_rt_rd   ?ctx->insn_flags&ISA_MIPS64
+dclo            011100 ..... ..... ..... ..... 100101   @rs_rt_rd   ?ctx->insn_flags&ISA_MIPS64
diff --git a/target/mips/translate.inc.c b/target/mips/translate.inc.c
index f3dcd32f98..90fe868605 100644
--- a/target/mips/translate.inc.c
+++ b/target/mips/translate.inc.c
@@ -18,3 +18,15 @@ static bool trans_synci(DisasContext *dc, arg_synci *a)
     dc->base.is_jmp = DISAS_STOP;
     return true;
 }
+
+static bool trans_dclz(DisasContext *ctx, arg_rs_rt_rd *a)
+{
+    gen_cl(ctx, OPC_DCLZ, a->rd, a->rs);
+    return true;
+}
+
+static bool trans_dclo(DisasContext *ctx, arg_rs_rt_rd *a)
+{
+    gen_cl(ctx, OPC_DCLO, a->rd, a->rs);
+    return true;
+}
-- 
2.17.2