[PULL 65/66] target/mips: Convert Rel6 LL/SC opcodes to decodetree

LL/SC opcodes have been removed from the Release 6. Add a single decodetree entry for the opcodes, triggering Reserved Instruction if ever used. Remove unreachable check_insn_opc_removed() calls. Signed-off-by: Philippe Mathieu-Daudé <f4bug(a)amsat.org&gt; Reviewed-by: Richard Henderson <richard.henderson(a)linaro.org&gt; Message-Id: <20201208203704.243704-14-f4bug(a)amsat.org&gt; --- target/mips/mips32r6.decode | 2 ++ target/mips/translate.c | 2 -- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/target/mips/mips32r6.decode b/target/mips/mips32r6.decode index 3ec50704cf2..489c20aa4e9 100644 --- a/target/mips/mips32r6.decode +++ b/target/mips/mips32r6.decode @@ -31,4 +31,6 @@ REMOVED 101010 ----- ----- ---------------- # SWL REMOVED 101110 ----- ----- ---------------- # SWR REMOVED 101111 ----- ----- ---------------- # CACHE +REMOVED 110000 ----- ----- ---------------- # LL REMOVED 110011 ----- ----- ---------------- # PREF +REMOVED 111000 ----- ----- ---------------- # SC diff --git a/target/mips/translate.c b/target/mips/translate.c index 9f717aab287..b5b7706a7c2 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -28585,7 +28585,6 @@ static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx) if (ctx->insn_flags & INSN_R5900) { check_insn_opc_user_only(ctx, INSN_R5900); } - check_insn_opc_removed(ctx, ISA_MIPS_R6); /* Fallthrough */ case OPC_LWL: case OPC_LWR: @@ -28606,7 +28605,6 @@ static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx) break; case OPC_SC: check_insn(ctx, ISA_MIPS2); - check_insn_opc_removed(ctx, ISA_MIPS_R6); if (ctx->insn_flags & INSN_R5900) { check_insn_opc_user_only(ctx, INSN_R5900); } -- 2.26.2