From: Chen Gang <gang.chen.5...@gmail.com>
It is just according to v1sh* instructions implementation.
Signed-off-by: Chen Gang <gang.chen.5...@gmail.com>
---
target-tilegx/translate.c | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/target-tilegx/translate.c b/target-tilegx/translate.c
index f711c18..03c8e76 100644
--- a/target-tilegx/translate.c
+++ b/target-tilegx/translate.c
@@ -1769,11 +1769,29 @@ static TileExcp gen_rri_opcode(DisasContext *dc,
unsigned opext,
break;
case OE_SH(V2SHLI, X0):
case OE_SH(V2SHLI, X1):
+ tdest = dest_gr(dc, dest);
+ i2 = imm & 15;
+ i3 = 0xffff >> i2;
+ tcg_gen_andi_tl(tdest, tsrca, V2_IMM(i3));
+ tcg_gen_shli_tl(tdest, tdest, i2);
+ mnemonic = "v2shli";
+ break;
case OE_SH(V2SHRSI, X0):
case OE_SH(V2SHRSI, X1):
+ t0 = tcg_const_tl(imm & 15);
+ gen_helper_v2shrs(TDEST, tsrca, t0);
+ tcg_temp_free(t0);
+ mnemonic = "v2shrsi";
+ break;
case OE_SH(V2SHRUI, X0):
case OE_SH(V2SHRUI, X1):
- return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
+ tdest = dest_gr(dc, dest);
+ i2 = imm & 15;
+ i3 = (0xffff << i2) & 0xffff;
+ tcg_gen_andi_tl(tdest, tsrca, V2_IMM(i3));
+ tcg_gen_shri_tl(tdest, tdest, i2);
+ mnemonic = "v2shrui";
+ break;
case OE(ADDLI_OPCODE_X0, 0, X0):
case OE(ADDLI_OPCODE_X1, 0, X1):
--
1.9.3
