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target-tilegx: Implement table index instructions

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Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2015-09-23 10:19:44 -07:00
parent ba1fc78f65
commit 0b4232f108
1 changed files with 15 additions and 0 deletions
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15
target-tilegx/translate.c
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@ -627,12 +627,27 @@ static TileExcp gen_rr_opcode(DisasContext *dc, unsigned opext,
break;
case OE_RR_X0(TBLIDXB0):
case OE_RR_Y0(TBLIDXB0):
tcg_gen_deposit_tl(tdest, load_gr(dc, dest), tsrca, 2, 8);
mnemonic = "tblidxb0";
break;
case OE_RR_X0(TBLIDXB1):
case OE_RR_Y0(TBLIDXB1):
tcg_gen_shri_tl(tdest, tsrca, 8);
tcg_gen_deposit_tl(tdest, load_gr(dc, dest), tdest, 2, 8);
mnemonic = "tblidxb1";
break;
case OE_RR_X0(TBLIDXB2):
case OE_RR_Y0(TBLIDXB2):
tcg_gen_shri_tl(tdest, tsrca, 16);
tcg_gen_deposit_tl(tdest, load_gr(dc, dest), tdest, 2, 8);
mnemonic = "tblidxb2";
break;
case OE_RR_X0(TBLIDXB3):
case OE_RR_Y0(TBLIDXB3):
tcg_gen_shri_tl(tdest, tsrca, 24);
tcg_gen_deposit_tl(tdest, load_gr(dc, dest), tdest, 2, 8);
mnemonic = "tblidxb3";
break;
default:
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
}