diff options
| author | Leon Alrae <leon.alrae@imgtec.com> | 2015-01-26 16:58:57 +0000 |
|---|---|---|
| committer | Leon Alrae <leon.alrae@imgtec.com> | 2015-02-13 14:11:29 +0000 |
| commit | 5e88759a52934a32502298f2c78c6dfaa144364b (patch) | |
| tree | b3cdf816abe0b3307e3c02b8876814b2e8da8192 /target-mips/translate.c | |
| parent | b40a1530f294b5fa4479dc3ca9bf46c269d08d87 (diff) | |
target-mips: pass 0 instead of -1 as rs in microMIPS LUI instruction
Using rs = -1 in gen_logic_imm() for microMIPS LUI instruction is dangerous
and may bite us when implementing microMIPS R6 because in R6 AUI and LUI
are distinguished by rs value. Therefore use 0 for safety.
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Diffstat (limited to 'target-mips/translate.c')
| -rw-r--r-- | target-mips/translate.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c index b80af98593..ca51149872 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -13653,7 +13653,7 @@ static void decode_micromips32_opc (CPUMIPSState *env, DisasContext *ctx, target. */ break; case LUI: - gen_logic_imm(ctx, OPC_LUI, rs, -1, imm); + gen_logic_imm(ctx, OPC_LUI, rs, 0, imm); break; case SYNCI: /* Break the TB to be able to sync copied instructions |