On 09/08/2016 03:31 PM, Michael Rolnik wrote:
Signed-off-by: Michael Rolnik <[email protected]> --- target-arc/translate-inst.c | 105 ++++++++++++++++++++++++++++++++++++++++++++ target-arc/translate-inst.h | 4 ++ 2 files changed, 109 insertions(+)diff --git a/target-arc/translate-inst.c b/target-arc/translate-inst.c index 92c75ac..c3795fe 100644 --- a/target-arc/translate-inst.c +++ b/target-arc/translate-inst.c @@ -1546,3 +1546,108 @@ int arc_gen_MPYU(DisasCtxt *ctx, TCGv dest, TCGv src1, TCGv src2) return BS_NONE; } +/* + DIVAW +*/ +int arc_gen_DIVAW(DisasCtxt *ctx, TCGv dest, TCGv src1, TCGv src2) +{ + TCGLabel *label_else = gen_new_label(); + TCGLabel *label_done = gen_new_label(); + TCGv rslt = dest; + TCGv temp = dest; + + if (TCGV_EQUAL(dest, src1) || TCGV_EQUAL(dest, src2)) { + rslt = tcg_temp_new_i32(); + } + + /* + if (src1 == 0) + dest = 0 + else + { + src1_temp = src1 << 1 + if (src1_temp >= src2) + dest = ((src1_temp - src2) | 0x0000_0001) + else + dest = src1_temp + } + */
Probably better with two movcond instead of branches. r~
