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([71.212.149.95]) by smtp.gmail.com with ESMTPSA id fe12-20020a056a002f0c00b0066a4e561beesm5182855pfb.173.2023.10.22.16.33.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 22 Oct 2023 16:33:24 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: mark.cave-ayland@ilande.co.uk Subject: [PATCH v5 60/94] target/sparc: Move asi fp load/store to decodetree Date: Sun, 22 Oct 2023 16:28:58 -0700 Message-Id: <20231022232932.80507-61-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231022232932.80507-1-richard.henderson@linaro.org> References: <20231022232932.80507-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::435; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x435.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Tested-by: Mark Cave-Ayland Acked-by: Mark Cave-Ayland Signed-off-by: Richard Henderson --- target/sparc/insns.decode | 51 +++++++++-- target/sparc/translate.c | 173 ++++++++------------------------------ 2 files changed, 81 insertions(+), 143 deletions(-) diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode index 1150890e44..45eb6a967f 100644 --- a/target/sparc/insns.decode +++ b/target/sparc/insns.decode @@ -251,6 +251,14 @@ NCP 10 ----- 110111 ----- --------- ----- # v8 CPop2 @r_r_r_asi .. rd:5 ...... rs1:5 0 asi:8 rs2_or_imm:5 &r_r_ri_asi imm=0 @r_r_i_asi .. rd:5 ...... rs1:5 1 rs2_or_imm:s13 \ &r_r_ri_asi imm=1 asi=-2 +@d_r_r_asi .. ..... ...... rs1:5 0 asi:8 rs2_or_imm:5 \ + &r_r_ri_asi rd=%dfp_rd imm=0 +@d_r_i_asi .. ..... ...... rs1:5 1 rs2_or_imm:s13 \ + &r_r_ri_asi rd=%dfp_rd imm=1 asi=-2 +@q_r_r_asi .. ..... ...... rs1:5 0 asi:8 rs2_or_imm:5 \ + &r_r_ri_asi rd=%qfp_rd imm=0 +@q_r_i_asi .. ..... ...... rs1:5 1 rs2_or_imm:s13 \ + &r_r_ri_asi rd=%qfp_rd imm=1 asi=-2 @casa_imm .. rd:5 ...... rs1:5 1 00000000 rs2_or_imm:5 \ &r_r_ri_asi imm=1 asi=-2 @@ -325,10 +333,43 @@ NOP_v9 11 ----- 101101 ----- 0 00000000 ----- # PREFETCH NOP_v9 11 ----- 101101 ----- 1 ------------- # PREFETCH NOP_v9 11 ----- 111101 ----- - ------------- # PREFETCHA -NCP 11 ----- 110000 ----- --------- ----- # v8 LDC +{ + [ + LDFA 11 ..... 110000 ..... . ............. @r_r_r_asi + LDFA 11 ..... 110000 ..... . ............. @r_r_i_asi + ] + NCP 11 ----- 110000 ----- --------- ----- # v8 LDC +} NCP 11 ----- 110001 ----- --------- ----- # v8 LDCSR -NCP 11 ----- 110011 ----- --------- ----- # v8 LDDC -NCP 11 ----- 110100 ----- --------- ----- # v8 STC +LDQFA 11 ..... 110010 ..... . ............. @q_r_r_asi +LDQFA 11 ..... 110010 ..... . ............. @q_r_i_asi +{ + [ + LDDFA 11 ..... 110011 ..... . ............. @d_r_r_asi + LDDFA 11 ..... 110011 ..... . ............. @d_r_i_asi + ] + NCP 11 ----- 110011 ----- --------- ----- # v8 LDDC +} + +{ + [ + STFA 11 ..... 110100 ..... . ............. @r_r_r_asi + STFA 11 ..... 110100 ..... . ............. @r_r_i_asi + ] + NCP 11 ----- 110100 ----- --------- ----- # v8 STC +} NCP 11 ----- 110101 ----- --------- ----- # v8 STCSR -NCP 11 ----- 110110 ----- --------- ----- # v8 STDCQ -NCP 11 ----- 110111 ----- --------- ----- # v8 STDC +{ + [ + STQFA 11 ..... 110110 ..... . ............. @q_r_r_asi + STQFA 11 ..... 110110 ..... . ............. @q_r_i_asi + ] + NCP 11 ----- 110110 ----- --------- ----- # v8 STDCQ +} +{ + [ + STDFA 11 ..... 110111 ..... . ............. @d_r_r_asi + STDFA 11 ..... 110111 ..... . ............. @d_r_i_asi + ] + NCP 11 ----- 110111 ----- --------- ----- # v8 STDC +} diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 3d4961ae44..19b6a9019b 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -2106,12 +2106,6 @@ static DisasASI resolve_asi(DisasContext *dc, int asi, MemOp memop) return (DisasASI){ type, asi, mem_idx, memop }; } -static DisasASI get_asi(DisasContext *dc, int insn, MemOp memop) -{ - int asi = IS_IMM ? -2 : GET_FIELD(insn, 19, 26); - return resolve_asi(dc, asi, memop); -} - #if defined(CONFIG_USER_ONLY) && !defined(TARGET_SPARC64) static void gen_helper_ld_asi(TCGv_i64 r, TCGv_env e, TCGv a, TCGv_i32 asi, TCGv_i32 mop) @@ -2298,13 +2292,14 @@ static void gen_ldstub_asi(DisasContext *dc, DisasASI *da, TCGv dst, TCGv addr) } } -static void gen_ldf_asi0(DisasContext *dc, DisasASI *da, MemOp orig_size, - TCGv addr, int rd) +static void gen_ldf_asi(DisasContext *dc, DisasASI *da, MemOp orig_size, + TCGv addr, int rd) { MemOp memop = da->memop; MemOp size = memop & MO_SIZE; TCGv_i32 d32; TCGv_i64 d64; + TCGv addr_tmp; /* TODO: Use 128-bit load/store below. */ if (size == MO_128) { @@ -2331,8 +2326,9 @@ static void gen_ldf_asi0(DisasContext *dc, DisasASI *da, MemOp orig_size, case MO_128: d64 = tcg_temp_new_i64(); tcg_gen_qemu_ld_i64(d64, addr, da->mem_idx, memop); - tcg_gen_addi_tl(addr, addr, 8); - tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2 + 1], addr, da->mem_idx, memop); + addr_tmp = tcg_temp_new(); + tcg_gen_addi_tl(addr_tmp, addr, 8); + tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2 + 1], addr_tmp, da->mem_idx, memop); tcg_gen_mov_i64(cpu_fpr[rd / 2], d64); break; default: @@ -2343,18 +2339,16 @@ static void gen_ldf_asi0(DisasContext *dc, DisasASI *da, MemOp orig_size, case GET_ASI_BLOCK: /* Valid for lddfa on aligned registers only. */ if (orig_size == MO_64 && (rd & 7) == 0) { - TCGv eight; - int i; - /* The first operation checks required alignment. */ - eight = tcg_constant_tl(8); - for (i = 0; ; ++i) { + addr_tmp = tcg_temp_new(); + for (int i = 0; ; ++i) { tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2 + i], addr, da->mem_idx, memop | (i == 0 ? MO_ALIGN_64 : 0)); if (i == 7) { break; } - tcg_gen_add_tl(addr, addr, eight); + tcg_gen_addi_tl(addr_tmp, addr, 8); + addr = addr_tmp; } } else { gen_exception(dc, TT_ILL_INSN); @@ -2396,8 +2390,9 @@ static void gen_ldf_asi0(DisasContext *dc, DisasASI *da, MemOp orig_size, case MO_128: d64 = tcg_temp_new_i64(); gen_helper_ld_asi(d64, tcg_env, addr, r_asi, r_mop); - tcg_gen_addi_tl(addr, addr, 8); - gen_helper_ld_asi(cpu_fpr[rd / 2 + 1], tcg_env, addr, + addr_tmp = tcg_temp_new(); + tcg_gen_addi_tl(addr_tmp, addr, 8); + gen_helper_ld_asi(cpu_fpr[rd / 2 + 1], tcg_env, addr_tmp, r_asi, r_mop); tcg_gen_mov_i64(cpu_fpr[rd / 2], d64); break; @@ -2409,22 +2404,13 @@ static void gen_ldf_asi0(DisasContext *dc, DisasASI *da, MemOp orig_size, } } -static void __attribute__((unused)) -gen_ldf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd) -{ - MemOp sz = ctz32(size); - DisasASI da = get_asi(dc, insn, MO_TE | sz); - - gen_address_mask(dc, addr); - gen_ldf_asi0(dc, &da, sz, addr, rd); -} - -static void gen_stf_asi0(DisasContext *dc, DisasASI *da, MemOp orig_size, - TCGv addr, int rd) +static void gen_stf_asi(DisasContext *dc, DisasASI *da, MemOp orig_size, + TCGv addr, int rd) { MemOp memop = da->memop; MemOp size = memop & MO_SIZE; TCGv_i32 d32; + TCGv addr_tmp; /* TODO: Use 128-bit load/store below. */ if (size == MO_128) { @@ -2454,8 +2440,9 @@ static void gen_stf_asi0(DisasContext *dc, DisasASI *da, MemOp orig_size, write. */ tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da->mem_idx, memop | MO_ALIGN_16); - tcg_gen_addi_tl(addr, addr, 8); - tcg_gen_qemu_st_i64(cpu_fpr[rd / 2 + 1], addr, da->mem_idx, memop); + addr_tmp = tcg_temp_new(); + tcg_gen_addi_tl(addr_tmp, addr, 8); + tcg_gen_qemu_st_i64(cpu_fpr[rd / 2 + 1], addr_tmp, da->mem_idx, memop); break; default: g_assert_not_reached(); @@ -2465,18 +2452,16 @@ static void gen_stf_asi0(DisasContext *dc, DisasASI *da, MemOp orig_size, case GET_ASI_BLOCK: /* Valid for stdfa on aligned registers only. */ if (orig_size == MO_64 && (rd & 7) == 0) { - TCGv eight; - int i; - /* The first operation checks required alignment. */ - eight = tcg_constant_tl(8); - for (i = 0; ; ++i) { + addr_tmp = tcg_temp_new(); + for (int i = 0; ; ++i) { tcg_gen_qemu_st_i64(cpu_fpr[rd / 2 + i], addr, da->mem_idx, memop | (i == 0 ? MO_ALIGN_64 : 0)); if (i == 7) { break; } - tcg_gen_add_tl(addr, addr, eight); + tcg_gen_addi_tl(addr_tmp, addr, 8); + addr = addr_tmp; } } else { gen_exception(dc, TT_ILL_INSN); @@ -2502,16 +2487,6 @@ static void gen_stf_asi0(DisasContext *dc, DisasASI *da, MemOp orig_size, } } -static void __attribute__((unused)) -gen_stf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd) -{ - MemOp sz = ctz32(size); - DisasASI da = get_asi(dc, insn, MO_TE | sz); - - gen_address_mask(dc, addr); - gen_stf_asi0(dc, &da, sz, addr, rd); -} - static void gen_ldda_asi(DisasContext *dc, DisasASI *da, TCGv addr, int rd) { TCGv hi = gen_dest_gpr(dc, rd); @@ -4647,7 +4622,7 @@ static bool do_ld_fpr(DisasContext *dc, arg_r_r_ri_asi *a, MemOp sz) return true; } da = resolve_asi(dc, a->asi, MO_TE | sz); - gen_ldf_asi0(dc, &da, sz, addr, a->rd); + gen_ldf_asi(dc, &da, sz, addr, a->rd); gen_update_fprs_dirty(dc, a->rd); return advance_pc(dc); } @@ -4656,6 +4631,10 @@ TRANS(LDF, ALL, do_ld_fpr, a, MO_32) TRANS(LDDF, ALL, do_ld_fpr, a, MO_64) TRANS(LDQF, ALL, do_ld_fpr, a, MO_128) +TRANS(LDFA, 64, do_ld_fpr, a, MO_32) +TRANS(LDDFA, 64, do_ld_fpr, a, MO_64) +TRANS(LDQFA, 64, do_ld_fpr, a, MO_128) + static bool do_st_fpr(DisasContext *dc, arg_r_r_ri_asi *a, MemOp sz) { TCGv addr = gen_ldst_addr(dc, a->rs1, a->imm, a->rs2_or_imm); @@ -4671,7 +4650,7 @@ static bool do_st_fpr(DisasContext *dc, arg_r_r_ri_asi *a, MemOp sz) return true; } da = resolve_asi(dc, a->asi, MO_TE | sz); - gen_stf_asi0(dc, &da, sz, addr, a->rd); + gen_stf_asi(dc, &da, sz, addr, a->rd); return advance_pc(dc); } @@ -4679,6 +4658,10 @@ TRANS(STF, ALL, do_st_fpr, a, MO_32) TRANS(STDF, ALL, do_st_fpr, a, MO_64) TRANS(STQF, ALL, do_st_fpr, a, MO_128) +TRANS(STFA, 64, do_st_fpr, a, MO_32) +TRANS(STDFA, 64, do_st_fpr, a, MO_64) +TRANS(STQFA, 64, do_st_fpr, a, MO_128) + static bool trans_STDFQ(DisasContext *dc, arg_STDFQ *a) { if (!avail_32(dc)) { @@ -5512,64 +5495,7 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn) if (xop < 4 || (xop > 7 && xop < 0x14 && xop != 0x0e) || (xop > 0x17 && xop <= 0x1d ) || (xop > 0x2c && xop <= 0x33) || xop == 0x1f || xop == 0x3d) { - TCGv cpu_val = gen_dest_gpr(dc, rd); - - switch (xop) { - case 0x0: /* ld, V9 lduw, load unsigned word */ - case 0x1: /* ldub, load unsigned byte */ - case 0x2: /* lduh, load unsigned halfword */ - case 0x3: /* ldd, load double word */ - case 0x9: /* ldsb, load signed byte */ - case 0xa: /* ldsh, load signed halfword */ - case 0xd: /* ldstub */ - case 0x0f: /* swap */ - case 0x10: /* lda, V9 lduwa, load word alternate */ - case 0x11: /* lduba, load unsigned byte alternate */ - case 0x12: /* lduha, load unsigned halfword alternate */ - case 0x13: /* ldda, load double word alternate */ - case 0x19: /* ldsba, load signed byte alternate */ - case 0x1a: /* ldsha, load signed halfword alternate */ - case 0x1d: /* ldstuba */ - case 0x1f: /* swapa */ - g_assert_not_reached(); /* in decodetree */ - case 0x08: /* V9 ldsw */ - case 0x0b: /* V9 ldx */ - case 0x18: /* V9 ldswa */ - case 0x1b: /* V9 ldxa */ - case 0x2d: /* V9 prefetch */ - case 0x3d: /* V9 prefetcha */ - goto illegal_insn; /* in decodetree */ -#ifdef TARGET_SPARC64 - case 0x30: /* V9 ldfa */ - if (gen_trap_ifnofpu(dc)) { - goto jmp_insn; - } - gen_ldf_asi(dc, cpu_addr, insn, 4, rd); - gen_update_fprs_dirty(dc, rd); - goto skip_move; - case 0x33: /* V9 lddfa */ - if (gen_trap_ifnofpu(dc)) { - goto jmp_insn; - } - gen_ldf_asi(dc, cpu_addr, insn, 8, DFPREG(rd)); - gen_update_fprs_dirty(dc, DFPREG(rd)); - goto skip_move; - case 0x32: /* V9 ldqfa */ - CHECK_FPU_FEATURE(dc, FLOAT128); - if (gen_trap_ifnofpu(dc)) { - goto jmp_insn; - } - gen_ldf_asi(dc, cpu_addr, insn, 16, QFPREG(rd)); - gen_update_fprs_dirty(dc, QFPREG(rd)); - goto skip_move; -#endif - default: - goto illegal_insn; - } - gen_store_gpr(dc, rd, cpu_val); -#if defined(TARGET_SPARC64) - skip_move: ; -#endif + goto illegal_insn; /* in decodetree */ } else if (xop >= 0x20 && xop < 0x24) { if (gen_trap_ifnofpu(dc)) { goto jmp_insn; @@ -5625,36 +5551,7 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn) goto illegal_insn; } } else if (xop > 0x33 && xop < 0x3f) { - switch (xop) { -#ifdef TARGET_SPARC64 - case 0x34: /* V9 stfa */ - if (gen_trap_ifnofpu(dc)) { - goto jmp_insn; - } - gen_stf_asi(dc, cpu_addr, insn, 4, rd); - break; - case 0x36: /* V9 stqfa */ - { - CHECK_FPU_FEATURE(dc, FLOAT128); - if (gen_trap_ifnofpu(dc)) { - goto jmp_insn; - } - gen_stf_asi(dc, cpu_addr, insn, 16, QFPREG(rd)); - } - break; - case 0x37: /* V9 stdfa */ - if (gen_trap_ifnofpu(dc)) { - goto jmp_insn; - } - gen_stf_asi(dc, cpu_addr, insn, 8, DFPREG(rd)); - break; -#endif - case 0x3e: /* V9 casxa */ - case 0x3c: /* V9 or LEON3 casa */ - goto illegal_insn; /* in decodetree */ - default: - goto illegal_insn; - } + goto illegal_insn; /* in decodetree */ } else { goto illegal_insn; }