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([71.212.149.95]) by smtp.gmail.com with ESMTPSA id 9-20020a17090a0cc900b0027463889e72sm499870pjt.55.2023.10.25.17.22.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Oct 2023 17:22:55 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Mark Cave-Ayland Subject: [PULL 58/94] target/sparc: Split out fp ldst functions with asi precomputed Date: Wed, 25 Oct 2023 17:15:06 -0700 Message-Id: <20231026001542.1141412-88-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231026001542.1141412-1-richard.henderson@linaro.org> References: <20231026001542.1141412-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::1034; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1034.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, RCVD_IN_DNSWL_NONE=-0.0001, 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 Take the operation size from the MemOp instead of a separate parameter. Tested-by: Mark Cave-Ayland Acked-by: Mark Cave-Ayland Signed-off-by: Richard Henderson --- target/sparc/translate.c | 138 +++++++++++++++++++++++---------------- 1 file changed, 80 insertions(+), 58 deletions(-) diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 363d8b7fc8..55d6f83736 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -2320,35 +2320,41 @@ static void gen_ldstub_asi(DisasContext *dc, DisasASI *da, TCGv dst, TCGv addr) } } -static void __attribute__((unused)) -gen_ldf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd) +static void gen_ldf_asi0(DisasContext *dc, DisasASI *da, MemOp orig_size, + TCGv addr, int rd) { - DisasASI da = get_asi(dc, insn, (size == 4 ? MO_TEUL : MO_TEUQ)); + MemOp memop = da->memop; + MemOp size = memop & MO_SIZE; TCGv_i32 d32; TCGv_i64 d64; - switch (da.type) { + /* TODO: Use 128-bit load/store below. */ + if (size == MO_128) { + memop = (memop & ~MO_SIZE) | MO_64; + } + + switch (da->type) { case GET_ASI_EXCP: break; case GET_ASI_DIRECT: - gen_address_mask(dc, addr); + memop |= MO_ALIGN_4; switch (size) { - case 4: + case MO_32: d32 = gen_dest_fpr_F(dc); - tcg_gen_qemu_ld_i32(d32, addr, da.mem_idx, da.memop | MO_ALIGN); + tcg_gen_qemu_ld_i32(d32, addr, da->mem_idx, memop); gen_store_fpr_F(dc, rd, d32); break; - case 8: - tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2], addr, da.mem_idx, - da.memop | MO_ALIGN_4); + + case MO_64: + tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2], addr, da->mem_idx, memop); break; - case 16: + + case MO_128: d64 = tcg_temp_new_i64(); - tcg_gen_qemu_ld_i64(d64, addr, da.mem_idx, da.memop | MO_ALIGN_4); + 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, - da.memop | MO_ALIGN_4); + tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2 + 1], addr, da->mem_idx, memop); tcg_gen_mov_i64(cpu_fpr[rd / 2], d64); break; default: @@ -2358,24 +2364,19 @@ gen_ldf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd) case GET_ASI_BLOCK: /* Valid for lddfa on aligned registers only. */ - if (size == 8 && (rd & 7) == 0) { - MemOp memop; + if (orig_size == MO_64 && (rd & 7) == 0) { TCGv eight; int i; - gen_address_mask(dc, addr); - /* The first operation checks required alignment. */ - memop = da.memop | MO_ALIGN_64; eight = tcg_constant_tl(8); for (i = 0; ; ++i) { - tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2 + i], addr, - da.mem_idx, memop); + 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); - memop = da.memop; } } else { gen_exception(dc, TT_ILL_INSN); @@ -2384,10 +2385,9 @@ gen_ldf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd) case GET_ASI_SHORT: /* Valid for lddfa only. */ - if (size == 8) { - gen_address_mask(dc, addr); - tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2], addr, da.mem_idx, - da.memop | MO_ALIGN); + if (orig_size == MO_64) { + tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2], addr, da->mem_idx, + memop | MO_ALIGN); } else { gen_exception(dc, TT_ILL_INSN); } @@ -2395,8 +2395,8 @@ gen_ldf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd) default: { - TCGv_i32 r_asi = tcg_constant_i32(da.asi); - TCGv_i32 r_mop = tcg_constant_i32(da.memop | MO_ALIGN); + TCGv_i32 r_asi = tcg_constant_i32(da->asi); + TCGv_i32 r_mop = tcg_constant_i32(memop | MO_ALIGN); save_state(dc); /* According to the table in the UA2011 manual, the only @@ -2404,21 +2404,23 @@ gen_ldf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd) the NO_FAULT asis. We still need a helper for these, but we can just use the integer asi helper for them. */ switch (size) { - case 4: + case MO_32: d64 = tcg_temp_new_i64(); gen_helper_ld_asi(d64, tcg_env, addr, r_asi, r_mop); d32 = gen_dest_fpr_F(dc); tcg_gen_extrl_i64_i32(d32, d64); gen_store_fpr_F(dc, rd, d32); break; - case 8: - gen_helper_ld_asi(cpu_fpr[rd / 2], tcg_env, addr, r_asi, r_mop); + case MO_64: + gen_helper_ld_asi(cpu_fpr[rd / 2], tcg_env, addr, + r_asi, r_mop); break; - case 16: + 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, r_asi, r_mop); + gen_helper_ld_asi(cpu_fpr[rd / 2 + 1], tcg_env, addr, + r_asi, r_mop); tcg_gen_mov_i64(cpu_fpr[rd / 2], d64); break; default: @@ -2430,36 +2432,52 @@ gen_ldf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd) } static void __attribute__((unused)) -gen_stf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd) +gen_ldf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd) { - DisasASI da = get_asi(dc, insn, (size == 4 ? MO_TEUL : MO_TEUQ)); + 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) +{ + MemOp memop = da->memop; + MemOp size = memop & MO_SIZE; TCGv_i32 d32; - switch (da.type) { + /* TODO: Use 128-bit load/store below. */ + if (size == MO_128) { + memop = (memop & ~MO_SIZE) | MO_64; + } + + switch (da->type) { case GET_ASI_EXCP: break; case GET_ASI_DIRECT: - gen_address_mask(dc, addr); + memop |= MO_ALIGN_4; switch (size) { - case 4: + case MO_32: d32 = gen_load_fpr_F(dc, rd); - tcg_gen_qemu_st_i32(d32, addr, da.mem_idx, da.memop | MO_ALIGN); + tcg_gen_qemu_st_i32(d32, addr, da->mem_idx, memop | MO_ALIGN); break; - case 8: - tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx, - da.memop | MO_ALIGN_4); + case MO_64: + tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da->mem_idx, + memop | MO_ALIGN_4); break; - case 16: + case MO_128: /* Only 4-byte alignment required. However, it is legal for the cpu to signal the alignment fault, and the OS trap handler is required to fix it up. Requiring 16-byte alignment here avoids having to probe the second page before performing the first write. */ - tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx, - da.memop | MO_ALIGN_16); + 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, da.memop); + tcg_gen_qemu_st_i64(cpu_fpr[rd / 2 + 1], addr, da->mem_idx, memop); break; default: g_assert_not_reached(); @@ -2468,24 +2486,19 @@ gen_stf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd) case GET_ASI_BLOCK: /* Valid for stdfa on aligned registers only. */ - if (size == 8 && (rd & 7) == 0) { - MemOp memop; + if (orig_size == MO_64 && (rd & 7) == 0) { TCGv eight; int i; - gen_address_mask(dc, addr); - /* The first operation checks required alignment. */ - memop = da.memop | MO_ALIGN_64; eight = tcg_constant_tl(8); for (i = 0; ; ++i) { - tcg_gen_qemu_st_i64(cpu_fpr[rd / 2 + i], addr, - da.mem_idx, memop); + 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); - memop = da.memop; } } else { gen_exception(dc, TT_ILL_INSN); @@ -2494,10 +2507,9 @@ gen_stf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd) case GET_ASI_SHORT: /* Valid for stdfa only. */ - if (size == 8) { - gen_address_mask(dc, addr); - tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx, - da.memop | MO_ALIGN); + if (orig_size == MO_64) { + tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da->mem_idx, + memop | MO_ALIGN); } else { gen_exception(dc, TT_ILL_INSN); } @@ -2512,6 +2524,16 @@ gen_stf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd) } } +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);