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target/mips: Guard check_insn_opc_user_only with INSN_R5900 check 

Avoid using check_opc_user_only() as a decision making code wrt
various architectures. Use ctx->insn_flags checks instead.

Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Fredrik Noring <noring@nocrew.org>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
This commit is contained in:
Fredrik Noring 2018-11-07 20:19:34 +01:00 committed by Aleksandar Markovic
parent 9dc324ce66
commit 55fc7a69aa
1 changed files with 12 additions and 4 deletions
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16
target/mips/translate.c
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@ -28313,7 +28313,9 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
break;
case OPC_LL: /* Load and stores */
check_insn(ctx, ISA_MIPS2);
check_insn_opc_user_only(ctx, INSN_R5900);
if (ctx->insn_flags & INSN_R5900) {
check_insn_opc_user_only(ctx, INSN_R5900);
}
/* Fallthrough */
case OPC_LWL:
case OPC_LWR:
@ -28339,7 +28341,9 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
case OPC_SC:
check_insn(ctx, ISA_MIPS2);
check_insn_opc_removed(ctx, ISA_MIPS32R6);
check_insn_opc_user_only(ctx, INSN_R5900);
if (ctx->insn_flags & INSN_R5900) {
check_insn_opc_user_only(ctx, INSN_R5900);
}
gen_st_cond(ctx, op, rt, rs, imm);
break;
case OPC_CACHE:
@ -28607,7 +28611,9 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
#if defined(TARGET_MIPS64)
/* MIPS64 opcodes */
case OPC_LLD:
check_insn_opc_user_only(ctx, INSN_R5900);
if (ctx->insn_flags & INSN_R5900) {
check_insn_opc_user_only(ctx, INSN_R5900);
}
/* fall through */
case OPC_LDL:
case OPC_LDR:
@ -28631,7 +28637,9 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
case OPC_SCD:
check_insn_opc_removed(ctx, ISA_MIPS32R6);
check_insn(ctx, ISA_MIPS3);
check_insn_opc_user_only(ctx, INSN_R5900);
if (ctx->insn_flags & INSN_R5900) {
check_insn_opc_user_only(ctx, INSN_R5900);
}
check_mips_64(ctx);
gen_st_cond(ctx, op, rt, rs, imm);
break;