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| author | Philippe Mathieu-Daudé | 2021-07-29 16:02:57 +0200 |
|---|---|---|
| committer | Philippe Mathieu-Daudé | 2021-08-25 13:00:37 +0200 |
| commit | 2e176eaf9c54a23ea2f37ccbeef2045f422b0e30 (patch) | |
| tree | 7d9f987bdfc44ae85fc9393369a52878fb39b097 /target/mips | |
| parent | target/mips: Remove JR opcode unused arguments (diff) | |
| download | qemu-2e176eaf9c54a23ea2f37ccbeef2045f422b0e30.tar.gz qemu-2e176eaf9c54a23ea2f37ccbeef2045f422b0e30.tar.xz qemu-2e176eaf9c54a23ea2f37ccbeef2045f422b0e30.zip | |
target/mips: Simplify PREF opcode
check_insn() checks for any bit in the set, and INSN_R5900 is
just another bit added to the set. No need to special-case it.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210801234202.3167676-2-f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/mips')
| -rw-r--r-- | target/mips/tcg/translate.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/target/mips/tcg/translate.c b/target/mips/tcg/translate.c index bf71724f3f..6b95cca052 100644 --- a/target/mips/tcg/translate.c +++ b/target/mips/tcg/translate.c @@ -15739,12 +15739,8 @@ static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx) /* Treat as NOP. */ break; case OPC_PREF: - if (ctx->insn_flags & INSN_R5900) { - /* Treat as NOP. */ - } else { - check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1); - /* Treat as NOP. */ - } + check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1 | INSN_R5900); + /* Treat as NOP. */ break; /* Floating point (COP1). */ |