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([71.212.149.95]) by smtp.gmail.com with ESMTPSA id h1-20020a62b401000000b00690d255b5a1sm2427978pfn.217.2023.10.20.22.36.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Oct 2023 22:36:03 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: mark.cave-ayland@ilande.co.uk Subject: [PATCH v3 76/90] target/sparc: Move FSMULD to decodetree Date: Fri, 20 Oct 2023 22:31:44 -0700 Message-Id: <20231021053158.278135-77-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231021053158.278135-1-richard.henderson@linaro.org> References: <20231021053158.278135-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2001:4860:4864:20::2a; envelope-from=richard.henderson@linaro.org; helo=mail-oa1-x2a.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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Richard Henderson --- target/sparc/insns.decode | 1 + target/sparc/translate.c | 43 +++++++++++++++++++++------------------ 2 files changed, 24 insertions(+), 20 deletions(-) diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode index 0753bbef2d..54c9c38736 100644 --- a/target/sparc/insns.decode +++ b/target/sparc/insns.decode @@ -260,6 +260,7 @@ FMULq 10 ..... 110100 ..... 0 0100 1011 ..... @r_r_r FDIVs 10 ..... 110100 ..... 0 0100 1101 ..... @r_r_r FDIVd 10 ..... 110100 ..... 0 0100 1110 ..... @r_r_r FDIVq 10 ..... 110100 ..... 0 0100 1111 ..... @r_r_r +FsMULd 10 ..... 110100 ..... 0 0110 1001 ..... @r_r_r FdTOx 10 ..... 110100 00000 0 1000 0010 ..... @r_r2 FxTOd 10 ..... 110100 00000 0 1000 1000 ..... @r_r2 FiTOs 10 ..... 110100 00000 0 1100 0100 ..... @r_r2 diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 8ce0282e2b..8a3ee221e9 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -1666,22 +1666,6 @@ static void gen_ne_fop_QQ(DisasContext *dc, int rd, int rs, } #endif -static void gen_fop_DFF(DisasContext *dc, int rd, int rs1, int rs2, - void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32, TCGv_i32)) -{ - TCGv_i64 dst; - TCGv_i32 src1, src2; - - src1 = gen_load_fpr_F(dc, rs1); - src2 = gen_load_fpr_F(dc, rs2); - dst = gen_dest_fpr_D(dc, rd); - - gen(dst, tcg_env, src1, src2); - gen_helper_check_ieee_exceptions(cpu_fsr, tcg_env); - - gen_store_fpr_D(dc, rd, dst); -} - static void gen_fop_QDD(DisasContext *dc, int rd, int rs1, int rs2, void (*gen)(TCGv_ptr, TCGv_i64, TCGv_i64)) { @@ -5049,6 +5033,28 @@ TRANS(FSUBd, ALL, do_env_ddd, a, gen_helper_fsubd) TRANS(FMULd, ALL, do_env_ddd, a, gen_helper_fmuld) TRANS(FDIVd, ALL, do_env_ddd, a, gen_helper_fdivd) +static bool trans_FsMULd(DisasContext *dc, arg_r_r_r *a) +{ + TCGv_i64 dst; + TCGv_i32 src1, src2; + + if (gen_trap_ifnofpu(dc)) { + return true; + } + if (!(dc->def->features & CPU_FEATURE_FSMULD)) { + return raise_unimpfpop(dc); + } + + gen_op_clear_ieee_excp_and_FTT(); + dst = gen_dest_fpr_D(dc, a->rd); + src1 = gen_load_fpr_F(dc, a->rs1); + src2 = gen_load_fpr_F(dc, a->rs2); + gen_helper_fsmuld(dst, tcg_env, src1, src2); + gen_helper_check_ieee_exceptions(cpu_fsr, tcg_env); + gen_store_fpr_D(dc, a->rd, dst); + return advance_pc(dc); +} + static bool do_dddd(DisasContext *dc, arg_r_r_r *a, void (*func)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64)) { @@ -5159,11 +5165,8 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn) case 0x47: /* fsubq */ case 0x4b: /* fmulq */ case 0x4f: /* fdivq */ - g_assert_not_reached(); /* in decodetree */ case 0x69: /* fsmuld */ - CHECK_FPU_FEATURE(dc, FSMULD); - gen_fop_DFF(dc, rd, rs1, rs2, gen_helper_fsmuld); - break; + g_assert_not_reached(); /* in decodetree */ case 0x6e: /* fdmulq */ CHECK_FPU_FEATURE(dc, FLOAT128); gen_fop_QDD(dc, rd, rs1, rs2, gen_helper_fdmulq);