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target-tilegx: Implement v2sh* instructions

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It is just according to v1sh* instructions implementation.

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Message-Id: <1443956491-26850-1-git-send-email-gang.chen.5i5j@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Chen Gang 2015-10-04 19:01:25 +08:00 committed by Richard Henderson
parent 133b84c819
commit 78affcb798
1 changed files with 17 additions and 1 deletions
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18
target-tilegx/translate.c
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@ -1686,11 +1686,27 @@ static TileExcp gen_rri_opcode(DisasContext *dc, unsigned opext,
break;
case OE_SH(V2SHLI, X0):
case OE_SH(V2SHLI, X1):
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;
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):