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| author | Richard Henderson | 2019-09-04 21:30:46 +0200 |
|---|---|---|
| committer | Peter Maydell | 2019-09-05 14:23:04 +0200 |
| commit | e6f69612cc79e2acc05dafda8695f791a916946f (patch) | |
| tree | d77068ce1df942c6004356dd29373ac333bbab48 /target/arm/translate.c | |
| parent | target/arm: Convert T16 adjust sp (immediate) (diff) | |
| download | qemu-e6f69612cc79e2acc05dafda8695f791a916946f.tar.gz qemu-e6f69612cc79e2acc05dafda8695f791a916946f.tar.xz qemu-e6f69612cc79e2acc05dafda8695f791a916946f.zip | |
target/arm: Convert T16, extract
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-57-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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 |