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";
^ ~~~~~~~~~~~~~

Backports commit 3570d7f6672836140f0a1ec9bf95dd5ea50a2aaa from qemu
This commit is contained in:
Philippe Mathieu-Daudé 2018-03-02 14:14:55 -05:00 committed by Lioncash
parent 5f78f3cd80
commit d17c07b548
No known key found for this signature in database
GPG Key ID: 4E3C3CC1031BA9C7

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@ -5533,19 +5533,19 @@ 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;
}
@ -5571,31 +5571,31 @@ 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;
}
@ -6191,13 +6191,13 @@ 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(tcg_ctx->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;
@ -6205,13 +6205,13 @@ 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(tcg_ctx->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;
}
@ -6236,31 +6236,31 @@ 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;
}
@ -6829,19 +6829,19 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
case 1:
// gen_helper_dmfc0_tracecontrol(arg, tcg_ctx->cpu_env); /* PDtrace support */
rn = "TraceControl";
// break;
goto cp0_unimplemented;
case 2:
// gen_helper_dmfc0_tracecontrol2(arg, tcg_ctx->cpu_env); /* PDtrace support */
rn = "TraceControl2";
// break;
goto cp0_unimplemented;
case 3:
// gen_helper_dmfc0_usertracedata(arg, tcg_ctx->cpu_env); /* PDtrace support */
rn = "UserTraceData";
// break;
goto cp0_unimplemented;
case 4:
// gen_helper_dmfc0_tracebpc(arg, tcg_ctx->cpu_env); /* PDtrace support */
rn = "TraceBPC";
// break;
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}
@ -6866,31 +6866,31 @@ 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;
}
@ -7476,25 +7476,25 @@ 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(tcg_ctx->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(tcg_ctx->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(tcg_ctx->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;
}
@ -7519,31 +7519,31 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
case 1:
// gen_helper_mtc0_performance1(tcg_ctx->cpu_env, arg);
rn = "Performance1";
// break;
goto cp0_unimplemented;
case 2:
// gen_helper_mtc0_performance2(tcg_ctx->cpu_env, arg);
rn = "Performance2";
// break;
goto cp0_unimplemented;
case 3:
// gen_helper_mtc0_performance3(tcg_ctx->cpu_env, arg);
rn = "Performance3";
// break;
goto cp0_unimplemented;
case 4:
// gen_helper_mtc0_performance4(tcg_ctx->cpu_env, arg);
rn = "Performance4";
// break;
goto cp0_unimplemented;
case 5:
// gen_helper_mtc0_performance5(tcg_ctx->cpu_env, arg);
rn = "Performance5";
// break;
goto cp0_unimplemented;
case 6:
// gen_helper_mtc0_performance6(tcg_ctx->cpu_env, arg);
rn = "Performance6";
// break;
goto cp0_unimplemented;
case 7:
// gen_helper_mtc0_performance7(tcg_ctx->cpu_env, arg);
rn = "Performance7";
// break;
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}