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| author | Richard Henderson <richard.henderson@linaro.org> | 2019-09-04 12:30:41 -0700 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2019-09-05 13:23:04 +0100 |
| commit | c4d3095bb62bdac0b4f9cb180bd7aa0b40c2c270 (patch) | |
| tree | c9b387cd734a5ba310c2909ed8b1c5ac590ea4db /target/arm/translate.c | |
| parent | 6e8514ba408f3cc758cd47e2da5475d8684507ec (diff) | |
| download | qemu-c4d3095bb62bdac0b4f9cb180bd7aa0b40c2c270.zip qemu-c4d3095bb62bdac0b4f9cb180bd7aa0b40c2c270.tar.gz qemu-c4d3095bb62bdac0b4f9cb180bd7aa0b40c2c270.tar.bz2 | |
target/arm: Convert T16 add/sub (3 low, 2 low and imm)
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-52-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 | 26 |
1 files changed, 2 insertions, 24 deletions
diff --git a/target/arm/translate.c b/target/arm/translate.c index f9d4b61..45d617a 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -10691,31 +10691,9 @@ static void disas_thumb_insn(DisasContext *s, uint32_t insn) * 0b0001_1xxx_xxxx_xxxx * - Add, subtract (three low registers) * - Add, subtract (two low registers and immediate) + * In decodetree. */ - rn = (insn >> 3) & 7; - tmp = load_reg(s, rn); - if (insn & (1 << 10)) { - /* immediate */ - tmp2 = tcg_temp_new_i32(); - tcg_gen_movi_i32(tmp2, (insn >> 6) & 7); - } else { - /* reg */ - rm = (insn >> 6) & 7; - tmp2 = load_reg(s, rm); - } - if (insn & (1 << 9)) { - if (s->condexec_mask) - tcg_gen_sub_i32(tmp, tmp, tmp2); - else - gen_sub_CC(tmp, tmp, tmp2); - } else { - if (s->condexec_mask) - tcg_gen_add_i32(tmp, tmp, tmp2); - else - gen_add_CC(tmp, tmp, tmp2); - } - tcg_temp_free_i32(tmp2); - store_reg(s, rd, tmp); + goto illegal_op; } else { /* shift immediate */ rm = (insn >> 3) & 7; |