diff options
Diffstat (limited to 'target/arm/translate.c')
| -rw-r--r-- | target/arm/translate.c | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/target/arm/translate.c b/target/arm/translate.c index 8399a2c1f6..09c05de320 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -10766,21 +10766,9 @@ static void disas_thumb_insn(DisasContext *s, uint32_t insn) op = (insn >> 8) & 0xf; switch (op) { case 0: /* add/sub (sp, immediate), in decodetree */ + case 2: /* sign/zero extend, in decodetree */ goto illegal_op; - case 2: /* sign/zero extend. */ - ARCH(6); - rd = insn & 7; - rm = (insn >> 3) & 7; - tmp = load_reg(s, rm); - switch ((insn >> 6) & 3) { - case 0: gen_sxth(tmp); break; - case 1: gen_sxtb(tmp); break; - case 2: gen_uxth(tmp); break; - case 3: gen_uxtb(tmp); break; - } - store_reg(s, rd, tmp); - break; case 4: case 5: case 0xc: case 0xd: /* * 0b1011_x10x_xxxx_xxxx |