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| author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2020-11-26 11:56:39 +0100 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2021-01-14 17:13:53 +0100 |
| commit | 1ff668dde2378fb74a4ce590df8b4c5b2a735833 (patch) | |
| tree | 242dd8af493708e322782d7601ad64a913174e8d /target | |
| parent | 13a839cf48a9cc5eb274021b74cad81976210c7a (diff) | |
| download | qemu-1ff668dde2378fb74a4ce590df8b4c5b2a735833.zip qemu-1ff668dde2378fb74a4ce590df8b4c5b2a735833.tar.gz qemu-1ff668dde2378fb74a4ce590df8b4c5b2a735833.tar.bz2 | |
target/mips: Convert Rel6 LLD/SCD opcodes to decodetree
LLD/SCD 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@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20201208203704.243704-13-f4bug@amsat.org>
Diffstat (limited to 'target')
| -rw-r--r-- | target/mips/mips64r6.decode | 3 | ||||
| -rw-r--r-- | target/mips/translate.c | 2 |
2 files changed, 3 insertions, 2 deletions
diff --git a/target/mips/mips64r6.decode b/target/mips/mips64r6.decode index 8ca352a..b58d800 100644 --- a/target/mips/mips64r6.decode +++ b/target/mips/mips64r6.decode @@ -22,3 +22,6 @@ REMOVED 011010 ----- ----- ---------------- # LDL REMOVED 011011 ----- ----- ---------------- # LDR REMOVED 101100 ----- ----- ---------------- # SDL REMOVED 101101 ----- ----- ---------------- # SDR + +REMOVED 110100 ----- ----- ---------------- # LLD +REMOVED 111100 ----- ----- ---------------- # SCD diff --git a/target/mips/translate.c b/target/mips/translate.c index f0438ab..4db95c5 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -28870,7 +28870,6 @@ 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); /* fall through */ case OPC_LDL: case OPC_LDR: @@ -28888,7 +28887,6 @@ static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx) gen_st(ctx, op, rt, rs, imm); break; case OPC_SCD: - check_insn_opc_removed(ctx, ISA_MIPS_R6); check_insn(ctx, ISA_MIPS3); if (ctx->insn_flags & INSN_R5900) { check_insn_opc_user_only(ctx, INSN_R5900); |