From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37757) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZTuSz-0003TP-LN for qemu-devel@nongnu.org; Mon, 24 Aug 2015 12:19:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZTuSy-00034Z-Gn for qemu-devel@nongnu.org; Mon, 24 Aug 2015 12:19:25 -0400 Received: from mail-qk0-x234.google.com ([2607:f8b0:400d:c09::234]:35329) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZTuSy-00034E-CT for qemu-devel@nongnu.org; Mon, 24 Aug 2015 12:19:24 -0400 Received: by qkbm65 with SMTP id m65so74198658qkb.2 for ; Mon, 24 Aug 2015 09:19:24 -0700 (PDT) Sender: Richard Henderson From: Richard Henderson Date: Mon, 24 Aug 2015 09:17:52 -0700 Message-Id: <1440433079-14458-27-git-send-email-rth@twiddle.net> In-Reply-To: <1440433079-14458-1-git-send-email-rth@twiddle.net> References: <1440433079-14458-1-git-send-email-rth@twiddle.net> Subject: [Qemu-devel] [PATCH v14 26/33] target-tilegx: Handle scalar multiply instructions List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: walt@tilera.com, cmetcalf@ezchip.com, xili_gchen_5257@hotmail.com, peter.maydell@linaro.org Signed-off-by: Richard Henderson --- target-tilegx/translate.c | 112 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) diff --git a/target-tilegx/translate.c b/target-tilegx/translate.c index b504ae3..51ee158 100644 --- a/target-tilegx/translate.c +++ b/target-tilegx/translate.c @@ -206,6 +206,38 @@ static void gen_dblalign(TCGv tdest, TCGv tsrcd, TCGv tsrca, TCGv tsrcb) tcg_temp_free(t0); } +#define LU 0 +#define LS 1 +#define HU 2 +#define HS 3 + +static void gen_ext_half(TCGv d, TCGv s, int h) +{ + switch (h) { + case LU: + tcg_gen_ext32u_tl(d, s); + break; + case LS: + tcg_gen_ext32s_tl(d, s); + break; + case HU: + tcg_gen_shri_tl(d, s, 32); + break; + case HS: + tcg_gen_sari_tl(d, s, 32); + break; + } +} + +static void gen_mul_half(TCGv tdest, TCGv tsrca, TCGv tsrcb, int ha, int hb) +{ + TCGv t = tcg_temp_new(); + gen_ext_half(t, tsrca, ha); + gen_ext_half(tdest, tsrcb, hb); + tcg_gen_mul_tl(tdest, tdest, t); + tcg_temp_free(t); +} + static TileExcp gen_st_opcode(DisasContext *dc, unsigned dest, unsigned srca, unsigned srcb, TCGMemOp memop, const char *name) { @@ -619,38 +651,118 @@ static TileExcp gen_rrr_opcode(DisasContext *dc, unsigned opext, case OE_RRR(MNZ, 0, X1): case OE_RRR(MNZ, 4, Y0): case OE_RRR(MNZ, 4, Y1): + return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(MULAX, 0, X0): case OE_RRR(MULAX, 3, Y0): + tcg_gen_mul_tl(tdest, tsrca, tsrcb); + tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); + tcg_gen_ext32s_tl(tdest, tdest); + mnemonic = "mulax"; + break; case OE_RRR(MULA_HS_HS, 0, X0): case OE_RRR(MULA_HS_HS, 9, Y0): + gen_mul_half(tdest, tsrca, tsrcb, HS, HS); + tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); + mnemonic = "mula_hs_hs"; + break; case OE_RRR(MULA_HS_HU, 0, X0): + gen_mul_half(tdest, tsrca, tsrcb, HS, HU); + tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); + mnemonic = "mula_hs_hu"; + break; case OE_RRR(MULA_HS_LS, 0, X0): + gen_mul_half(tdest, tsrca, tsrcb, HS, LS); + tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); + mnemonic = "mula_hs_ls"; + break; case OE_RRR(MULA_HS_LU, 0, X0): + gen_mul_half(tdest, tsrca, tsrcb, HS, LU); + tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); + mnemonic = "mula_hs_lu"; + break; case OE_RRR(MULA_HU_HU, 0, X0): case OE_RRR(MULA_HU_HU, 9, Y0): + gen_mul_half(tdest, tsrca, tsrcb, HU, HU); + tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); + mnemonic = "mula_hu_hu"; + break; case OE_RRR(MULA_HU_LS, 0, X0): + gen_mul_half(tdest, tsrca, tsrcb, HU, LS); + tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); + mnemonic = "mula_hu_ls"; + break; case OE_RRR(MULA_HU_LU, 0, X0): + gen_mul_half(tdest, tsrca, tsrcb, HU, LU); + tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); + mnemonic = "mula_hu_lu"; + break; case OE_RRR(MULA_LS_LS, 0, X0): case OE_RRR(MULA_LS_LS, 9, Y0): + gen_mul_half(tdest, tsrca, tsrcb, LS, LS); + tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); + mnemonic = "mula_ls_ls"; + break; case OE_RRR(MULA_LS_LU, 0, X0): + gen_mul_half(tdest, tsrca, tsrcb, LS, LU); + tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); + mnemonic = "mula_ls_lu"; + break; case OE_RRR(MULA_LU_LU, 0, X0): case OE_RRR(MULA_LU_LU, 9, Y0): + gen_mul_half(tdest, tsrca, tsrcb, LU, LU); + tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); + mnemonic = "mula_lu_lu"; + break; case OE_RRR(MULX, 0, X0): case OE_RRR(MULX, 3, Y0): + tcg_gen_mul_tl(tdest, tsrca, tsrcb); + tcg_gen_ext32s_tl(tdest, tdest); + mnemonic = "mulx"; + break; case OE_RRR(MUL_HS_HS, 0, X0): case OE_RRR(MUL_HS_HS, 8, Y0): + gen_mul_half(tdest, tsrca, tsrcb, HS, HS); + mnemonic = "mul_hs_hs"; + break; case OE_RRR(MUL_HS_HU, 0, X0): + gen_mul_half(tdest, tsrca, tsrcb, HS, HU); + mnemonic = "mul_hs_hu"; + break; case OE_RRR(MUL_HS_LS, 0, X0): + gen_mul_half(tdest, tsrca, tsrcb, HS, LS); + mnemonic = "mul_hs_ls"; + break; case OE_RRR(MUL_HS_LU, 0, X0): + gen_mul_half(tdest, tsrca, tsrcb, HS, LU); + mnemonic = "mul_hs_lu"; + break; case OE_RRR(MUL_HU_HU, 0, X0): case OE_RRR(MUL_HU_HU, 8, Y0): + gen_mul_half(tdest, tsrca, tsrcb, HU, HU); + mnemonic = "mul_hu_hu"; + break; case OE_RRR(MUL_HU_LS, 0, X0): + gen_mul_half(tdest, tsrca, tsrcb, HU, LS); + mnemonic = "mul_hu_ls"; + break; case OE_RRR(MUL_HU_LU, 0, X0): + gen_mul_half(tdest, tsrca, tsrcb, HU, LU); + mnemonic = "mul_hu_lu"; + break; case OE_RRR(MUL_LS_LS, 0, X0): case OE_RRR(MUL_LS_LS, 8, Y0): + gen_mul_half(tdest, tsrca, tsrcb, LS, LS); + mnemonic = "mul_ls_ls"; + break; case OE_RRR(MUL_LS_LU, 0, X0): + gen_mul_half(tdest, tsrca, tsrcb, LS, LU); + mnemonic = "mul_ls_lu"; + break; case OE_RRR(MUL_LU_LU, 0, X0): case OE_RRR(MUL_LU_LU, 8, Y0): + gen_mul_half(tdest, tsrca, tsrcb, LU, LU); + mnemonic = "mul_lu_lu"; + break; case OE_RRR(MZ, 0, X0): case OE_RRR(MZ, 0, X1): case OE_RRR(MZ, 4, Y0): -- 2.4.3