diff options
Diffstat (limited to 'target-tilegx/translate.c')
| -rw-r--r-- | target-tilegx/translate.c | 96 |
1 files changed, 90 insertions, 6 deletions
diff --git a/target-tilegx/translate.c b/target-tilegx/translate.c index 68c7db21ee..6b5de5530c 100644 --- a/target-tilegx/translate.c +++ b/target-tilegx/translate.c @@ -160,6 +160,23 @@ static TCGv dest_gr(DisasContext *dc, unsigned reg) return dc->wb[n].val = tcg_temp_new_i64(); } +static void gen_saturate_op(TCGv tdest, TCGv tsrca, TCGv tsrcb, + void (*operate)(TCGv, TCGv, TCGv)) +{ + TCGv t0 = tcg_temp_new(); + + tcg_gen_ext32s_tl(tdest, tsrca); + tcg_gen_ext32s_tl(t0, tsrcb); + operate(tdest, tdest, t0); + + tcg_gen_movi_tl(t0, 0x7fffffff); + tcg_gen_movcond_tl(TCG_COND_GT, tdest, tdest, t0, t0, tdest); + tcg_gen_movi_tl(t0, -0x80000000LL); + tcg_gen_movcond_tl(TCG_COND_LT, tdest, tdest, t0, t0, tdest); + + tcg_temp_free(t0); +} + static TileExcp gen_rr_opcode(DisasContext *dc, unsigned opext, unsigned dest, unsigned srca) { @@ -277,15 +294,24 @@ static TileExcp gen_rrr_opcode(DisasContext *dc, unsigned opext, switch (opext) { case OE_RRR(ADDXSC, 0, X0): case OE_RRR(ADDXSC, 0, X1): + gen_saturate_op(tdest, tsrca, tsrcb, tcg_gen_add_tl); + mnemonic = "addxsc"; + break; case OE_RRR(ADDX, 0, X0): case OE_RRR(ADDX, 0, X1): case OE_RRR(ADDX, 0, Y0): case OE_RRR(ADDX, 0, Y1): + tcg_gen_add_tl(tdest, tsrca, tsrcb); + tcg_gen_ext32s_tl(tdest, tdest); + mnemonic = "addx"; + break; case OE_RRR(ADD, 0, X0): case OE_RRR(ADD, 0, X1): case OE_RRR(ADD, 0, Y0): case OE_RRR(ADD, 0, Y1): - return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; + tcg_gen_add_tl(tdest, tsrca, tsrcb); + mnemonic = "add"; + break; case OE_RRR(AND, 0, X0): case OE_RRR(AND, 0, X1): case OE_RRR(AND, 5, Y0): @@ -422,30 +448,58 @@ static TileExcp gen_rrr_opcode(DisasContext *dc, unsigned opext, case OE_RRR(ROTL, 0, X1): case OE_RRR(ROTL, 6, Y0): case OE_RRR(ROTL, 6, Y1): + return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(SHL1ADDX, 0, X0): case OE_RRR(SHL1ADDX, 0, X1): case OE_RRR(SHL1ADDX, 7, Y0): case OE_RRR(SHL1ADDX, 7, Y1): + tcg_gen_shli_tl(tdest, tsrca, 1); + tcg_gen_add_tl(tdest, tdest, tsrcb); + tcg_gen_ext32s_tl(tdest, tdest); + mnemonic = "shl1addx"; + break; case OE_RRR(SHL1ADD, 0, X0): case OE_RRR(SHL1ADD, 0, X1): case OE_RRR(SHL1ADD, 1, Y0): case OE_RRR(SHL1ADD, 1, Y1): + tcg_gen_shli_tl(tdest, tsrca, 1); + tcg_gen_add_tl(tdest, tdest, tsrcb); + mnemonic = "shl1add"; + break; case OE_RRR(SHL2ADDX, 0, X0): case OE_RRR(SHL2ADDX, 0, X1): case OE_RRR(SHL2ADDX, 7, Y0): case OE_RRR(SHL2ADDX, 7, Y1): + tcg_gen_shli_tl(tdest, tsrca, 2); + tcg_gen_add_tl(tdest, tdest, tsrcb); + tcg_gen_ext32s_tl(tdest, tdest); + mnemonic = "shl2addx"; + break; case OE_RRR(SHL2ADD, 0, X0): case OE_RRR(SHL2ADD, 0, X1): case OE_RRR(SHL2ADD, 1, Y0): case OE_RRR(SHL2ADD, 1, Y1): + tcg_gen_shli_tl(tdest, tsrca, 2); + tcg_gen_add_tl(tdest, tdest, tsrcb); + mnemonic = "shl2add"; + break; case OE_RRR(SHL3ADDX, 0, X0): case OE_RRR(SHL3ADDX, 0, X1): case OE_RRR(SHL3ADDX, 7, Y0): case OE_RRR(SHL3ADDX, 7, Y1): + tcg_gen_shli_tl(tdest, tsrca, 3); + tcg_gen_add_tl(tdest, tdest, tsrcb); + tcg_gen_ext32s_tl(tdest, tdest); + mnemonic = "shl3addx"; + break; case OE_RRR(SHL3ADD, 0, X0): case OE_RRR(SHL3ADD, 0, X1): case OE_RRR(SHL3ADD, 1, Y0): case OE_RRR(SHL3ADD, 1, Y1): + tcg_gen_shli_tl(tdest, tsrca, 3); + tcg_gen_add_tl(tdest, tdest, tsrcb); + mnemonic = "shl3add"; + break; case OE_RRR(SHLX, 0, X0): case OE_RRR(SHLX, 0, X1): case OE_RRR(SHL, 0, X0): @@ -471,16 +525,27 @@ static TileExcp gen_rrr_opcode(DisasContext *dc, unsigned opext, case OE_RRR(STNT4, 0, X1): case OE_RRR(STNT, 0, X1): case OE_RRR(ST, 0, X1): + return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(SUBXSC, 0, X0): case OE_RRR(SUBXSC, 0, X1): + gen_saturate_op(tdest, tsrca, tsrcb, tcg_gen_sub_tl); + mnemonic = "subxsc"; + break; case OE_RRR(SUBX, 0, X0): case OE_RRR(SUBX, 0, X1): case OE_RRR(SUBX, 0, Y0): case OE_RRR(SUBX, 0, Y1): + tcg_gen_sub_tl(tdest, tsrca, tsrcb); + tcg_gen_ext32s_tl(tdest, tdest); + mnemonic = "subx"; + break; case OE_RRR(SUB, 0, X0): case OE_RRR(SUB, 0, X1): case OE_RRR(SUB, 0, Y0): case OE_RRR(SUB, 0, Y1): + tcg_gen_sub_tl(tdest, tsrca, tsrcb); + mnemonic = "sub"; + break; case OE_RRR(V1ADDUC, 0, X0): case OE_RRR(V1ADDUC, 0, X1): case OE_RRR(V1ADD, 0, X0): @@ -640,11 +705,21 @@ static TileExcp gen_rri_opcode(DisasContext *dc, unsigned opext, const char *mnemonic; switch (opext) { + case OE(ADDI_OPCODE_Y0, 0, Y0): + case OE(ADDI_OPCODE_Y1, 0, Y1): case OE_IM(ADDI, X0): case OE_IM(ADDI, X1): + tcg_gen_addi_tl(tdest, tsrca, imm); + mnemonic = "addi"; + break; + case OE(ADDXI_OPCODE_Y0, 0, Y0): + case OE(ADDXI_OPCODE_Y1, 0, Y1): case OE_IM(ADDXI, X0): case OE_IM(ADDXI, X1): - return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; + tcg_gen_addi_tl(tdest, tsrca, imm); + tcg_gen_ext32s_tl(tdest, tdest); + mnemonic = "addxi"; + break; case OE(ANDI_OPCODE_Y0, 0, Y0): case OE(ANDI_OPCODE_Y1, 0, Y1): case OE_IM(ANDI, X0): @@ -752,21 +827,30 @@ static TileExcp gen_rri_opcode(DisasContext *dc, unsigned opext, case OE_SH(V2SHRSI, X1): case OE_SH(V2SHRUI, X0): case OE_SH(V2SHRUI, X1): + return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; - case OE(ADDI_OPCODE_Y0, 0, Y0): - case OE(ADDI_OPCODE_Y1, 0, Y1): case OE(ADDLI_OPCODE_X0, 0, X0): case OE(ADDLI_OPCODE_X1, 0, X1): - case OE(ADDXI_OPCODE_Y0, 0, Y0): - case OE(ADDXI_OPCODE_Y1, 0, Y1): + tcg_gen_addi_tl(tdest, tsrca, imm); + mnemonic = "addli"; + break; case OE(ADDXLI_OPCODE_X0, 0, X0): case OE(ADDXLI_OPCODE_X1, 0, X1): + tcg_gen_addi_tl(tdest, tsrca, imm); + tcg_gen_ext32s_tl(tdest, tdest); + mnemonic = "addxli"; + break; case OE(CMPEQI_OPCODE_Y0, 0, Y0): case OE(CMPEQI_OPCODE_Y1, 0, Y1): case OE(CMPLTSI_OPCODE_Y0, 0, Y0): case OE(CMPLTSI_OPCODE_Y1, 0, Y1): + return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE(SHL16INSLI_OPCODE_X0, 0, X0): case OE(SHL16INSLI_OPCODE_X1, 0, X1): + tcg_gen_shli_tl(tdest, tsrca, 16); + tcg_gen_ori_tl(tdest, tdest, imm & 0xffff); + mnemonic = "shl16insli"; + break; default: return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; |