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target-mips: replace break by goto cp0_unimplemented 

this fixes many warnings like:

target/mips/translate.c:6253:13: warning: Value stored to 'rn' is never read
            rn = "invalid sel";
            ^    ~~~~~~~~~~~~~

Reported-by: Clang Static Analyzer
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
This commit is contained in:
Philippe Mathieu-Daudé 2017-03-04 15:56:51 -03:00 committed by Yongbok Kim
parent 965447eecb
commit 3570d7f667
1 changed files with 44 additions and 44 deletions
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88
target/mips/translate.c
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@ -5458,19 +5458,19 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
case 1:
// gen_helper_mfc0_tracecontrol(arg); /* PDtrace support */
rn = "TraceControl";
// break;
goto cp0_unimplemented;
case 2:
// gen_helper_mfc0_tracecontrol2(arg); /* PDtrace support */
rn = "TraceControl2";
// break;
goto cp0_unimplemented;
case 3:
// gen_helper_mfc0_usertracedata(arg); /* PDtrace support */
rn = "UserTraceData";
// break;
goto cp0_unimplemented;
case 4:
// gen_helper_mfc0_tracebpc(arg); /* PDtrace support */
rn = "TraceBPC";
// break;
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}
@ -5496,31 +5496,31 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
case 1:
// gen_helper_mfc0_performance1(arg);
rn = "Performance1";
// break;
goto cp0_unimplemented;
case 2:
// gen_helper_mfc0_performance2(arg);
rn = "Performance2";
// break;
goto cp0_unimplemented;
case 3:
// gen_helper_mfc0_performance3(arg);
rn = "Performance3";
// break;
goto cp0_unimplemented;
case 4:
// gen_helper_mfc0_performance4(arg);
rn = "Performance4";
// break;
goto cp0_unimplemented;
case 5:
// gen_helper_mfc0_performance5(arg);
rn = "Performance5";
// break;
goto cp0_unimplemented;
case 6:
// gen_helper_mfc0_performance6(arg);
rn = "Performance6";
// break;
goto cp0_unimplemented;
case 7:
// gen_helper_mfc0_performance7(arg);
rn = "Performance7";
// break;
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}
@ -6116,13 +6116,13 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
rn = "TraceControl";
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
// break;
goto cp0_unimplemented;
case 2:
// gen_helper_mtc0_tracecontrol2(cpu_env, arg); /* PDtrace support */
rn = "TraceControl2";
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
// break;
goto cp0_unimplemented;
case 3:
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
@ -6130,13 +6130,13 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
rn = "UserTraceData";
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
// break;
goto cp0_unimplemented;
case 4:
// gen_helper_mtc0_tracebpc(cpu_env, arg); /* PDtrace support */
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
rn = "TraceBPC";
// break;
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}
@ -6161,31 +6161,31 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
case 1:
// gen_helper_mtc0_performance1(arg);
rn = "Performance1";
// break;
goto cp0_unimplemented;
case 2:
// gen_helper_mtc0_performance2(arg);
rn = "Performance2";
// break;
goto cp0_unimplemented;
case 3:
// gen_helper_mtc0_performance3(arg);
rn = "Performance3";
// break;
goto cp0_unimplemented;
case 4:
// gen_helper_mtc0_performance4(arg);
rn = "Performance4";
// break;
goto cp0_unimplemented;
case 5:
// gen_helper_mtc0_performance5(arg);
rn = "Performance5";
// break;
goto cp0_unimplemented;
case 6:
// gen_helper_mtc0_performance6(arg);
rn = "Performance6";
// break;
goto cp0_unimplemented;
case 7:
// gen_helper_mtc0_performance7(arg);
rn = "Performance7";
// break;
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}
@ -6766,19 +6766,19 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
case 1:
// gen_helper_dmfc0_tracecontrol(arg, cpu_env); /* PDtrace support */
rn = "TraceControl";
// break;
goto cp0_unimplemented;
case 2:
// gen_helper_dmfc0_tracecontrol2(arg, cpu_env); /* PDtrace support */
rn = "TraceControl2";
// break;
goto cp0_unimplemented;
case 3:
// gen_helper_dmfc0_usertracedata(arg, cpu_env); /* PDtrace support */
rn = "UserTraceData";
// break;
goto cp0_unimplemented;
case 4:
// gen_helper_dmfc0_tracebpc(arg, cpu_env); /* PDtrace support */
rn = "TraceBPC";
// break;
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}
@ -6803,31 +6803,31 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
case 1:
// gen_helper_dmfc0_performance1(arg);
rn = "Performance1";
// break;
goto cp0_unimplemented;
case 2:
// gen_helper_dmfc0_performance2(arg);
rn = "Performance2";
// break;
goto cp0_unimplemented;
case 3:
// gen_helper_dmfc0_performance3(arg);
rn = "Performance3";
// break;
goto cp0_unimplemented;
case 4:
// gen_helper_dmfc0_performance4(arg);
rn = "Performance4";
// break;
goto cp0_unimplemented;
case 5:
// gen_helper_dmfc0_performance5(arg);
rn = "Performance5";
// break;
goto cp0_unimplemented;
case 6:
// gen_helper_dmfc0_performance6(arg);
rn = "Performance6";
// break;
goto cp0_unimplemented;
case 7:
// gen_helper_dmfc0_performance7(arg);
rn = "Performance7";
// break;
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}
@ -7417,25 +7417,25 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
rn = "TraceControl";
// break;
goto cp0_unimplemented;
case 2:
// gen_helper_mtc0_tracecontrol2(cpu_env, arg); /* PDtrace support */
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
rn = "TraceControl2";
// break;
goto cp0_unimplemented;
case 3:
// gen_helper_mtc0_usertracedata(cpu_env, arg); /* PDtrace support */
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
rn = "UserTraceData";
// break;
goto cp0_unimplemented;
case 4:
// gen_helper_mtc0_tracebpc(cpu_env, arg); /* PDtrace support */
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
rn = "TraceBPC";
// break;
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}
@ -7460,31 +7460,31 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
case 1:
// gen_helper_mtc0_performance1(cpu_env, arg);
rn = "Performance1";
// break;
goto cp0_unimplemented;
case 2:
// gen_helper_mtc0_performance2(cpu_env, arg);
rn = "Performance2";
// break;
goto cp0_unimplemented;
case 3:
// gen_helper_mtc0_performance3(cpu_env, arg);
rn = "Performance3";
// break;
goto cp0_unimplemented;
case 4:
// gen_helper_mtc0_performance4(cpu_env, arg);
rn = "Performance4";
// break;
goto cp0_unimplemented;
case 5:
// gen_helper_mtc0_performance5(cpu_env, arg);
rn = "Performance5";
// break;
goto cp0_unimplemented;
case 6:
// gen_helper_mtc0_performance6(cpu_env, arg);
rn = "Performance6";
// break;
goto cp0_unimplemented;
case 7:
// gen_helper_mtc0_performance7(cpu_env, arg);
rn = "Performance7";
// break;
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}