vitalif
/
mirror_qemu
mirror of https://github.com/proxmox/mirror_qemu
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
master
Philippe Mathieu-Daudé 2021-07-29 16:02:57 +02:00
parent c8b69a2a92
commit 2e176eaf9c
1 changed files with 2 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
target/mips/tcg/translate.c
View File

@ -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). */