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target-mips: save cpu state before calling MSA load and store helpers 

PC needs to be saved if an exception can be generated by an helper.
This fixes a problem related to resuming the execution at unexpected address
after an exception (caused by MSA load/store instruction) has been serviced.

Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
This commit is contained in:
Leon Alrae 2015-03-16 16:29:34 +00:00
parent a5f533909e
commit 0af7a37054
1 changed files with 2 additions and 0 deletions
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2
target-mips/translate.c
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@ -18414,12 +18414,14 @@ static void gen_msa(CPUMIPSState *env, DisasContext *ctx)
case OPC_LD_H:
case OPC_LD_W:
case OPC_LD_D:
save_cpu_state(ctx, 1);
gen_helper_msa_ld_df(cpu_env, tdf, twd, trs, ts10);
break;
case OPC_ST_B:
case OPC_ST_H:
case OPC_ST_W:
case OPC_ST_D:
save_cpu_state(ctx, 1);
gen_helper_msa_st_df(cpu_env, tdf, twd, trs, ts10);
break;
}