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[88.21.205.111]) by smtp.gmail.com with ESMTPSA id c64sm758259wmd.41.2020.11.23.12.46.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Nov 2020 12:46:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=wzjpmD/cVMaQhUz0TjxaCicaPXOpKMRCXqJxa9f0/F0=; b=PqViStlsyODrHDB90o69yIo57eKQSUEN/O3mPLEb/Jfp3s7NOxLyMEuQG/b+9A/bTx WhJMyGlPX6leCJvpYOtv8mluVFlFMXF9ekD8gBbnz28U8dUi3dGD3yDy5YoiFZOhZ9uH Hlt4VUFMoYhS2TefCEZzRTs3FcI1KoD0xCPJyzhpgYxNO9IO2KqfhQUX6HVmn+h7Jao0 yEQ7sCiPoLgGt9mYHa3zJzgj00yrhbssGzFO2vYqaYWBCONjn9dPIZaJQzxKnca9qWcD +f+i4iWAzYy9Mepes7omIu0CKdkJJwiHVWDDBAol2oRtig9MxAzArDxPpKY+Np8Imn/b 9DtQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=wzjpmD/cVMaQhUz0TjxaCicaPXOpKMRCXqJxa9f0/F0=; b=jW4XZT2l4Mp+m72UNz9mnMIdPbLjjUSowPrY2nLYcpvO32brdR9db6dfh1pb4dHNP4 wY9if+mH7Cfv7xO9ZnLYR4QyLD+Q57/fH9xgt7yqbwFo7fEJnlVC8H/s3EtaAr4Ff0ny tigQj+z2jJhtbtoa01v0mkVbwkDVndcImwWcQqEyWOqwxy+kcav3erXZvnwpMOwlJMRY ZdM4X+IGxyppfqpXFtJKCbxKUigbEj7qil1pr2TAKGjaoBJOduZ4NN4JfM1XG0bPuXIw lx0BGNX/6ho1hYv+5dy4Hau2O9DzrYue9oU2W1PwgwMESfedWjVrH3kCAaaSF5exhmd7 jewg== X-Gm-Message-State: AOAM5328Oj8Ni7qv97oMM9W0FPTXl1Q4OtuQzDa2OpjvmJZVKpN0oowe mQ9p0gqwVhbwHG5BhBAEuiI= X-Google-Smtp-Source: ABdhPJywagLuIpauFc6CBaev1IhkZyzJdSRm67zblB7d/mv9hD4UmAWEC01MLHIBO4w6hlHIYXCMrg== X-Received: by 2002:a1c:a9c4:: with SMTP id s187mr737360wme.180.1606164395071; Mon, 23 Nov 2020 12:46:35 -0800 (PST) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v2 21/28] target/mips: Extract Loongson EXTensions translation routines Date: Mon, 23 Nov 2020 21:44:41 +0100 Message-Id: <20201123204448.3260804-22-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201123204448.3260804-1-f4bug@amsat.org> References: <20201123204448.3260804-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) LoongEXTs are general-purpose extensions from the LoongISA. Extract 650 lines of translation routines to 'vendor-loong-ext_translate.c.inc'. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- target/mips/translate.c | 652 +----------------- target/mips/vendor-loong-ext_translate.c.inc | 665 +++++++++++++++++++ 2 files changed, 666 insertions(+), 651 deletions(-) create mode 100644 target/mips/vendor-loong-ext_translate.c.inc diff --git a/target/mips/translate.c b/target/mips/translate.c index 745bf9a9dd9..90ab84c69a3 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -330,19 +330,6 @@ enum { OPC_MUL =3D 0x02 | OPC_SPECIAL2, OPC_MSUB =3D 0x04 | OPC_SPECIAL2, OPC_MSUBU =3D 0x05 | OPC_SPECIAL2, - /* Loongson 2F */ - OPC_MULT_G_2F =3D 0x10 | OPC_SPECIAL2, - OPC_DMULT_G_2F =3D 0x11 | OPC_SPECIAL2, - OPC_MULTU_G_2F =3D 0x12 | OPC_SPECIAL2, - OPC_DMULTU_G_2F =3D 0x13 | OPC_SPECIAL2, - OPC_DIV_G_2F =3D 0x14 | OPC_SPECIAL2, - OPC_DDIV_G_2F =3D 0x15 | OPC_SPECIAL2, - OPC_DIVU_G_2F =3D 0x16 | OPC_SPECIAL2, - OPC_DDIVU_G_2F =3D 0x17 | OPC_SPECIAL2, - OPC_MOD_G_2F =3D 0x1c | OPC_SPECIAL2, - OPC_DMOD_G_2F =3D 0x1d | OPC_SPECIAL2, - OPC_MODU_G_2F =3D 0x1e | OPC_SPECIAL2, - OPC_DMODU_G_2F =3D 0x1f | OPC_SPECIAL2, /* Misc */ OPC_CLZ =3D 0x20 | OPC_SPECIAL2, OPC_CLO =3D 0x21 | OPC_SPECIAL2, @@ -412,48 +399,6 @@ enum { R6_OPC_SCD =3D 0x27 | OPC_SPECIAL3, }; =20 -/* Loongson EXT load/store quad word opcodes */ -#define MASK_LOONGSON_GSLSQ(op) (MASK_OP_MAJOR(op) | (op & 0x802= 0)) -enum { - OPC_GSLQ =3D 0x0020 | OPC_LWC2, - OPC_GSLQC1 =3D 0x8020 | OPC_LWC2, - OPC_GSSHFL =3D OPC_LWC2, - OPC_GSSQ =3D 0x0020 | OPC_SWC2, - OPC_GSSQC1 =3D 0x8020 | OPC_SWC2, - OPC_GSSHFS =3D OPC_SWC2, -}; - -/* Loongson EXT shifted load/store opcodes */ -#define MASK_LOONGSON_GSSHFLS(op) (MASK_OP_MAJOR(op) | (op & 0xc03= f)) -enum { - OPC_GSLWLC1 =3D 0x4 | OPC_GSSHFL, - OPC_GSLWRC1 =3D 0x5 | OPC_GSSHFL, - OPC_GSLDLC1 =3D 0x6 | OPC_GSSHFL, - OPC_GSLDRC1 =3D 0x7 | OPC_GSSHFL, - OPC_GSSWLC1 =3D 0x4 | OPC_GSSHFS, - OPC_GSSWRC1 =3D 0x5 | OPC_GSSHFS, - OPC_GSSDLC1 =3D 0x6 | OPC_GSSHFS, - OPC_GSSDRC1 =3D 0x7 | OPC_GSSHFS, -}; - -/* Loongson EXT LDC2/SDC2 opcodes */ -#define MASK_LOONGSON_LSDC2(op) (MASK_OP_MAJOR(op) | (op & 0x7)) - -enum { - OPC_GSLBX =3D 0x0 | OPC_LDC2, - OPC_GSLHX =3D 0x1 | OPC_LDC2, - OPC_GSLWX =3D 0x2 | OPC_LDC2, - OPC_GSLDX =3D 0x3 | OPC_LDC2, - OPC_GSLWXC1 =3D 0x6 | OPC_LDC2, - OPC_GSLDXC1 =3D 0x7 | OPC_LDC2, - OPC_GSSBX =3D 0x0 | OPC_SDC2, - OPC_GSSHX =3D 0x1 | OPC_SDC2, - OPC_GSSWX =3D 0x2 | OPC_SDC2, - OPC_GSSDX =3D 0x3 | OPC_SDC2, - OPC_GSSWXC1 =3D 0x6 | OPC_SDC2, - OPC_GSSDXC1 =3D 0x7 | OPC_SDC2, -}; - /* BSHFL opcodes */ #define MASK_BSHFL(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)= )) =20 @@ -4472,602 +4417,6 @@ static void gen_cl(DisasContext *ctx, uint32_t opc, } } =20 -/* Godson integer instructions */ -static void gen_loongson_integer(DisasContext *ctx, uint32_t opc, - int rd, int rs, int rt) -{ - TCGv t0, t1; - - if (rd =3D=3D 0) { - /* Treat as NOP. */ - return; - } - - switch (opc) { - case OPC_MULT_G_2E: - case OPC_MULT_G_2F: - case OPC_MULTU_G_2E: - case OPC_MULTU_G_2F: -#if defined(TARGET_MIPS64) - case OPC_DMULT_G_2E: - case OPC_DMULT_G_2F: - case OPC_DMULTU_G_2E: - case OPC_DMULTU_G_2F: -#endif - t0 =3D tcg_temp_new(); - t1 =3D tcg_temp_new(); - break; - default: - t0 =3D tcg_temp_local_new(); - t1 =3D tcg_temp_local_new(); - break; - } - - gen_load_gpr(t0, rs); - gen_load_gpr(t1, rt); - - switch (opc) { - case OPC_MULT_G_2E: - case OPC_MULT_G_2F: - tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); - tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); - break; - case OPC_MULTU_G_2E: - case OPC_MULTU_G_2F: - tcg_gen_ext32u_tl(t0, t0); - tcg_gen_ext32u_tl(t1, t1); - tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); - tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); - break; - case OPC_DIV_G_2E: - case OPC_DIV_G_2F: - { - TCGLabel *l1 =3D gen_new_label(); - TCGLabel *l2 =3D gen_new_label(); - TCGLabel *l3 =3D gen_new_label(); - tcg_gen_ext32s_tl(t0, t0); - tcg_gen_ext32s_tl(t1, t1); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); - tcg_gen_movi_tl(cpu_gpr[rd], 0); - tcg_gen_br(l3); - gen_set_label(l1); - tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); - tcg_gen_mov_tl(cpu_gpr[rd], t0); - tcg_gen_br(l3); - gen_set_label(l2); - tcg_gen_div_tl(cpu_gpr[rd], t0, t1); - tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); - gen_set_label(l3); - } - break; - case OPC_DIVU_G_2E: - case OPC_DIVU_G_2F: - { - TCGLabel *l1 =3D gen_new_label(); - TCGLabel *l2 =3D gen_new_label(); - tcg_gen_ext32u_tl(t0, t0); - tcg_gen_ext32u_tl(t1, t1); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); - tcg_gen_movi_tl(cpu_gpr[rd], 0); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); - tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); - gen_set_label(l2); - } - break; - case OPC_MOD_G_2E: - case OPC_MOD_G_2F: - { - TCGLabel *l1 =3D gen_new_label(); - TCGLabel *l2 =3D gen_new_label(); - TCGLabel *l3 =3D gen_new_label(); - tcg_gen_ext32u_tl(t0, t0); - tcg_gen_ext32u_tl(t1, t1); - tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); - tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); - gen_set_label(l1); - tcg_gen_movi_tl(cpu_gpr[rd], 0); - tcg_gen_br(l3); - gen_set_label(l2); - tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); - tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); - gen_set_label(l3); - } - break; - case OPC_MODU_G_2E: - case OPC_MODU_G_2F: - { - TCGLabel *l1 =3D gen_new_label(); - TCGLabel *l2 =3D gen_new_label(); - tcg_gen_ext32u_tl(t0, t0); - tcg_gen_ext32u_tl(t1, t1); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); - tcg_gen_movi_tl(cpu_gpr[rd], 0); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); - tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); - gen_set_label(l2); - } - break; -#if defined(TARGET_MIPS64) - case OPC_DMULT_G_2E: - case OPC_DMULT_G_2F: - tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); - break; - case OPC_DMULTU_G_2E: - case OPC_DMULTU_G_2F: - tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); - break; - case OPC_DDIV_G_2E: - case OPC_DDIV_G_2F: - { - TCGLabel *l1 =3D gen_new_label(); - TCGLabel *l2 =3D gen_new_label(); - TCGLabel *l3 =3D gen_new_label(); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); - tcg_gen_movi_tl(cpu_gpr[rd], 0); - tcg_gen_br(l3); - gen_set_label(l1); - tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); - tcg_gen_mov_tl(cpu_gpr[rd], t0); - tcg_gen_br(l3); - gen_set_label(l2); - tcg_gen_div_tl(cpu_gpr[rd], t0, t1); - gen_set_label(l3); - } - break; - case OPC_DDIVU_G_2E: - case OPC_DDIVU_G_2F: - { - TCGLabel *l1 =3D gen_new_label(); - TCGLabel *l2 =3D gen_new_label(); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); - tcg_gen_movi_tl(cpu_gpr[rd], 0); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); - gen_set_label(l2); - } - break; - case OPC_DMOD_G_2E: - case OPC_DMOD_G_2F: - { - TCGLabel *l1 =3D gen_new_label(); - TCGLabel *l2 =3D gen_new_label(); - TCGLabel *l3 =3D gen_new_label(); - tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); - tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); - gen_set_label(l1); - tcg_gen_movi_tl(cpu_gpr[rd], 0); - tcg_gen_br(l3); - gen_set_label(l2); - tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); - gen_set_label(l3); - } - break; - case OPC_DMODU_G_2E: - case OPC_DMODU_G_2F: - { - TCGLabel *l1 =3D gen_new_label(); - TCGLabel *l2 =3D gen_new_label(); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); - tcg_gen_movi_tl(cpu_gpr[rd], 0); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); - gen_set_label(l2); - } - break; -#endif - } - - tcg_temp_free(t0); - tcg_temp_free(t1); -} - -static void gen_loongson_lswc2(DisasContext *ctx, int rt, - int rs, int rd) -{ - TCGv t0, t1, t2; - TCGv_i32 fp0; -#if defined(TARGET_MIPS64) - int lsq_rt1 =3D ctx->opcode & 0x1f; - int lsq_offset =3D sextract32(ctx->opcode, 6, 9) << 4; -#endif - int shf_offset =3D sextract32(ctx->opcode, 6, 8); - - t0 =3D tcg_temp_new(); - - switch (MASK_LOONGSON_GSLSQ(ctx->opcode)) { -#if defined(TARGET_MIPS64) - case OPC_GSLQ: - t1 =3D tcg_temp_new(); - gen_base_offset_addr(ctx, t0, rs, lsq_offset); - tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEQ | - ctx->default_tcg_memop_mask); - gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); - tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ | - ctx->default_tcg_memop_mask); - gen_store_gpr(t1, rt); - gen_store_gpr(t0, lsq_rt1); - tcg_temp_free(t1); - break; - case OPC_GSLQC1: - check_cp1_enabled(ctx); - t1 =3D tcg_temp_new(); - gen_base_offset_addr(ctx, t0, rs, lsq_offset); - tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEQ | - ctx->default_tcg_memop_mask); - gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); - tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ | - ctx->default_tcg_memop_mask); - gen_store_fpr64(ctx, t1, rt); - gen_store_fpr64(ctx, t0, lsq_rt1); - tcg_temp_free(t1); - break; - case OPC_GSSQ: - t1 =3D tcg_temp_new(); - gen_base_offset_addr(ctx, t0, rs, lsq_offset); - gen_load_gpr(t1, rt); - tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ | - ctx->default_tcg_memop_mask); - gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); - gen_load_gpr(t1, lsq_rt1); - tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ | - ctx->default_tcg_memop_mask); - tcg_temp_free(t1); - break; - case OPC_GSSQC1: - check_cp1_enabled(ctx); - t1 =3D tcg_temp_new(); - gen_base_offset_addr(ctx, t0, rs, lsq_offset); - gen_load_fpr64(ctx, t1, rt); - tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ | - ctx->default_tcg_memop_mask); - gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); - gen_load_fpr64(ctx, t1, lsq_rt1); - tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ | - ctx->default_tcg_memop_mask); - tcg_temp_free(t1); - break; -#endif - case OPC_GSSHFL: - switch (MASK_LOONGSON_GSSHFLS(ctx->opcode)) { - case OPC_GSLWLC1: - check_cp1_enabled(ctx); - gen_base_offset_addr(ctx, t0, rs, shf_offset); - t1 =3D tcg_temp_new(); - tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB); - tcg_gen_andi_tl(t1, t0, 3); -#ifndef TARGET_WORDS_BIGENDIAN - tcg_gen_xori_tl(t1, t1, 3); -#endif - tcg_gen_shli_tl(t1, t1, 3); - tcg_gen_andi_tl(t0, t0, ~3); - tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUL); - tcg_gen_shl_tl(t0, t0, t1); - t2 =3D tcg_const_tl(-1); - tcg_gen_shl_tl(t2, t2, t1); - fp0 =3D tcg_temp_new_i32(); - gen_load_fpr32(ctx, fp0, rt); - tcg_gen_ext_i32_tl(t1, fp0); - tcg_gen_andc_tl(t1, t1, t2); - tcg_temp_free(t2); - tcg_gen_or_tl(t0, t0, t1); - tcg_temp_free(t1); -#if defined(TARGET_MIPS64) - tcg_gen_extrl_i64_i32(fp0, t0); -#else - tcg_gen_ext32s_tl(fp0, t0); -#endif - gen_store_fpr32(ctx, fp0, rt); - tcg_temp_free_i32(fp0); - break; - case OPC_GSLWRC1: - check_cp1_enabled(ctx); - gen_base_offset_addr(ctx, t0, rs, shf_offset); - t1 =3D tcg_temp_new(); - tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB); - tcg_gen_andi_tl(t1, t0, 3); -#ifdef TARGET_WORDS_BIGENDIAN - tcg_gen_xori_tl(t1, t1, 3); -#endif - tcg_gen_shli_tl(t1, t1, 3); - tcg_gen_andi_tl(t0, t0, ~3); - tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUL); - tcg_gen_shr_tl(t0, t0, t1); - tcg_gen_xori_tl(t1, t1, 31); - t2 =3D tcg_const_tl(0xfffffffeull); - tcg_gen_shl_tl(t2, t2, t1); - fp0 =3D tcg_temp_new_i32(); - gen_load_fpr32(ctx, fp0, rt); - tcg_gen_ext_i32_tl(t1, fp0); - tcg_gen_and_tl(t1, t1, t2); - tcg_temp_free(t2); - tcg_gen_or_tl(t0, t0, t1); - tcg_temp_free(t1); -#if defined(TARGET_MIPS64) - tcg_gen_extrl_i64_i32(fp0, t0); -#else - tcg_gen_ext32s_tl(fp0, t0); -#endif - gen_store_fpr32(ctx, fp0, rt); - tcg_temp_free_i32(fp0); - break; -#if defined(TARGET_MIPS64) - case OPC_GSLDLC1: - check_cp1_enabled(ctx); - gen_base_offset_addr(ctx, t0, rs, shf_offset); - t1 =3D tcg_temp_new(); - tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB); - tcg_gen_andi_tl(t1, t0, 7); -#ifndef TARGET_WORDS_BIGENDIAN - tcg_gen_xori_tl(t1, t1, 7); -#endif - tcg_gen_shli_tl(t1, t1, 3); - tcg_gen_andi_tl(t0, t0, ~7); - tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ); - tcg_gen_shl_tl(t0, t0, t1); - t2 =3D tcg_const_tl(-1); - tcg_gen_shl_tl(t2, t2, t1); - gen_load_fpr64(ctx, t1, rt); - tcg_gen_andc_tl(t1, t1, t2); - tcg_temp_free(t2); - tcg_gen_or_tl(t0, t0, t1); - tcg_temp_free(t1); - gen_store_fpr64(ctx, t0, rt); - break; - case OPC_GSLDRC1: - check_cp1_enabled(ctx); - gen_base_offset_addr(ctx, t0, rs, shf_offset); - t1 =3D tcg_temp_new(); - tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB); - tcg_gen_andi_tl(t1, t0, 7); -#ifdef TARGET_WORDS_BIGENDIAN - tcg_gen_xori_tl(t1, t1, 7); -#endif - tcg_gen_shli_tl(t1, t1, 3); - tcg_gen_andi_tl(t0, t0, ~7); - tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ); - tcg_gen_shr_tl(t0, t0, t1); - tcg_gen_xori_tl(t1, t1, 63); - t2 =3D tcg_const_tl(0xfffffffffffffffeull); - tcg_gen_shl_tl(t2, t2, t1); - gen_load_fpr64(ctx, t1, rt); - tcg_gen_and_tl(t1, t1, t2); - tcg_temp_free(t2); - tcg_gen_or_tl(t0, t0, t1); - tcg_temp_free(t1); - gen_store_fpr64(ctx, t0, rt); - break; -#endif - default: - MIPS_INVAL("loongson_gsshfl"); - generate_exception_end(ctx, EXCP_RI); - break; - } - break; - case OPC_GSSHFS: - switch (MASK_LOONGSON_GSSHFLS(ctx->opcode)) { - case OPC_GSSWLC1: - check_cp1_enabled(ctx); - t1 =3D tcg_temp_new(); - gen_base_offset_addr(ctx, t0, rs, shf_offset); - fp0 =3D tcg_temp_new_i32(); - gen_load_fpr32(ctx, fp0, rt); - tcg_gen_ext_i32_tl(t1, fp0); - gen_helper_0e2i(swl, t1, t0, ctx->mem_idx); - tcg_temp_free_i32(fp0); - tcg_temp_free(t1); - break; - case OPC_GSSWRC1: - check_cp1_enabled(ctx); - t1 =3D tcg_temp_new(); - gen_base_offset_addr(ctx, t0, rs, shf_offset); - fp0 =3D tcg_temp_new_i32(); - gen_load_fpr32(ctx, fp0, rt); - tcg_gen_ext_i32_tl(t1, fp0); - gen_helper_0e2i(swr, t1, t0, ctx->mem_idx); - tcg_temp_free_i32(fp0); - tcg_temp_free(t1); - break; -#if defined(TARGET_MIPS64) - case OPC_GSSDLC1: - check_cp1_enabled(ctx); - t1 =3D tcg_temp_new(); - gen_base_offset_addr(ctx, t0, rs, shf_offset); - gen_load_fpr64(ctx, t1, rt); - gen_helper_0e2i(sdl, t1, t0, ctx->mem_idx); - tcg_temp_free(t1); - break; - case OPC_GSSDRC1: - check_cp1_enabled(ctx); - t1 =3D tcg_temp_new(); - gen_base_offset_addr(ctx, t0, rs, shf_offset); - gen_load_fpr64(ctx, t1, rt); - gen_helper_0e2i(sdr, t1, t0, ctx->mem_idx); - tcg_temp_free(t1); - break; -#endif - default: - MIPS_INVAL("loongson_gsshfs"); - generate_exception_end(ctx, EXCP_RI); - break; - } - break; - default: - MIPS_INVAL("loongson_gslsq"); - generate_exception_end(ctx, EXCP_RI); - break; - } - tcg_temp_free(t0); -} - -/* Loongson EXT LDC2/SDC2 */ -static void gen_loongson_lsdc2(DisasContext *ctx, int rt, - int rs, int rd) -{ - int offset =3D sextract32(ctx->opcode, 3, 8); - uint32_t opc =3D MASK_LOONGSON_LSDC2(ctx->opcode); - TCGv t0, t1; - TCGv_i32 fp0; - - /* Pre-conditions */ - switch (opc) { - case OPC_GSLBX: - case OPC_GSLHX: - case OPC_GSLWX: - case OPC_GSLDX: - /* prefetch, implement as NOP */ - if (rt =3D=3D 0) { - return; - } - break; - case OPC_GSSBX: - case OPC_GSSHX: - case OPC_GSSWX: - case OPC_GSSDX: - break; - case OPC_GSLWXC1: -#if defined(TARGET_MIPS64) - case OPC_GSLDXC1: -#endif - check_cp1_enabled(ctx); - /* prefetch, implement as NOP */ - if (rt =3D=3D 0) { - return; - } - break; - case OPC_GSSWXC1: -#if defined(TARGET_MIPS64) - case OPC_GSSDXC1: -#endif - check_cp1_enabled(ctx); - break; - default: - MIPS_INVAL("loongson_lsdc2"); - generate_exception_end(ctx, EXCP_RI); - return; - break; - } - - t0 =3D tcg_temp_new(); - - gen_base_offset_addr(ctx, t0, rs, offset); - gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); - - switch (opc) { - case OPC_GSLBX: - tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_SB); - gen_store_gpr(t0, rt); - break; - case OPC_GSLHX: - tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESW | - ctx->default_tcg_memop_mask); - gen_store_gpr(t0, rt); - break; - case OPC_GSLWX: - gen_base_offset_addr(ctx, t0, rs, offset); - if (rd) { - gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); - } - tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL | - ctx->default_tcg_memop_mask); - gen_store_gpr(t0, rt); - break; -#if defined(TARGET_MIPS64) - case OPC_GSLDX: - gen_base_offset_addr(ctx, t0, rs, offset); - if (rd) { - gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); - } - tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ | - ctx->default_tcg_memop_mask); - gen_store_gpr(t0, rt); - break; -#endif - case OPC_GSLWXC1: - check_cp1_enabled(ctx); - gen_base_offset_addr(ctx, t0, rs, offset); - if (rd) { - gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); - } - fp0 =3D tcg_temp_new_i32(); - tcg_gen_qemu_ld_i32(fp0, t0, ctx->mem_idx, MO_TESL | - ctx->default_tcg_memop_mask); - gen_store_fpr32(ctx, fp0, rt); - tcg_temp_free_i32(fp0); - break; -#if defined(TARGET_MIPS64) - case OPC_GSLDXC1: - check_cp1_enabled(ctx); - gen_base_offset_addr(ctx, t0, rs, offset); - if (rd) { - gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); - } - tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ | - ctx->default_tcg_memop_mask); - gen_store_fpr64(ctx, t0, rt); - break; -#endif - case OPC_GSSBX: - t1 =3D tcg_temp_new(); - gen_load_gpr(t1, rt); - tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_SB); - tcg_temp_free(t1); - break; - case OPC_GSSHX: - t1 =3D tcg_temp_new(); - gen_load_gpr(t1, rt); - tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUW | - ctx->default_tcg_memop_mask); - tcg_temp_free(t1); - break; - case OPC_GSSWX: - t1 =3D tcg_temp_new(); - gen_load_gpr(t1, rt); - tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL | - ctx->default_tcg_memop_mask); - tcg_temp_free(t1); - break; -#if defined(TARGET_MIPS64) - case OPC_GSSDX: - t1 =3D tcg_temp_new(); - gen_load_gpr(t1, rt); - tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ | - ctx->default_tcg_memop_mask); - tcg_temp_free(t1); - break; -#endif - case OPC_GSSWXC1: - fp0 =3D tcg_temp_new_i32(); - gen_load_fpr32(ctx, fp0, rt); - tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL | - ctx->default_tcg_memop_mask); - tcg_temp_free_i32(fp0); - break; -#if defined(TARGET_MIPS64) - case OPC_GSSDXC1: - t1 =3D tcg_temp_new(); - gen_load_fpr64(ctx, t1, rt); - tcg_gen_qemu_st_i64(t1, t0, ctx->mem_idx, MO_TEQ | - ctx->default_tcg_memop_mask); - tcg_temp_free(t1); - break; -#endif - default: - break; - } - - tcg_temp_free(t0); -} - /* Traps */ static void gen_trap(DisasContext *ctx, uint32_t opc, int rs, int rt, int16_t imm) @@ -12458,6 +11807,7 @@ out: =20 #include "vendor-vr54xx_translate.c.inc" #include "vendor-loong-simd_translate.c.inc" +#include "vendor-loong-ext_translate.c.inc" =20 static void decode_opc_special_r6(CPUMIPSState *env, DisasContext *ctx) { diff --git a/target/mips/vendor-loong-ext_translate.c.inc b/target/mips/ven= dor-loong-ext_translate.c.inc new file mode 100644 index 00000000000..824a3994d16 --- /dev/null +++ b/target/mips/vendor-loong-ext_translate.c.inc @@ -0,0 +1,665 @@ +/* + * Loongson EXTensions translation routines. + * + * Copyright (c) 2004-2005 Jocelyn Mayer + * Copyright (c) 2006 Marius Groeger (FPU operations) + * Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support) + * Copyright (c) 2009 CodeSourcery (MIPS16 and microMIPS support) + * Copyright (c) 2012 Jia Liu & Dongxue Zhang (MIPS ASE DSP support) + * + * SPDX-License-Identifier: LGPL-2.1-or-later + */ + +enum { + /* Loongson 2F */ + OPC_MULT_G_2F =3D 0x10 | OPC_SPECIAL2, + OPC_DMULT_G_2F =3D 0x11 | OPC_SPECIAL2, + OPC_MULTU_G_2F =3D 0x12 | OPC_SPECIAL2, + OPC_DMULTU_G_2F =3D 0x13 | OPC_SPECIAL2, + OPC_DIV_G_2F =3D 0x14 | OPC_SPECIAL2, + OPC_DDIV_G_2F =3D 0x15 | OPC_SPECIAL2, + OPC_DIVU_G_2F =3D 0x16 | OPC_SPECIAL2, + OPC_DDIVU_G_2F =3D 0x17 | OPC_SPECIAL2, + OPC_MOD_G_2F =3D 0x1c | OPC_SPECIAL2, + OPC_DMOD_G_2F =3D 0x1d | OPC_SPECIAL2, + OPC_MODU_G_2F =3D 0x1e | OPC_SPECIAL2, + OPC_DMODU_G_2F =3D 0x1f | OPC_SPECIAL2, +}; + +/* Loongson EXT load/store quad word opcodes */ +#define MASK_LOONGSON_GSLSQ(op) (MASK_OP_MAJOR(op) | (op & 0x802= 0)) +enum { + OPC_GSLQ =3D 0x0020 | OPC_LWC2, + OPC_GSLQC1 =3D 0x8020 | OPC_LWC2, + OPC_GSSHFL =3D OPC_LWC2, + OPC_GSSQ =3D 0x0020 | OPC_SWC2, + OPC_GSSQC1 =3D 0x8020 | OPC_SWC2, + OPC_GSSHFS =3D OPC_SWC2, +}; + +/* Loongson EXT shifted load/store opcodes */ +#define MASK_LOONGSON_GSSHFLS(op) (MASK_OP_MAJOR(op) | (op & 0xc03= f)) +enum { + OPC_GSLWLC1 =3D 0x4 | OPC_GSSHFL, + OPC_GSLWRC1 =3D 0x5 | OPC_GSSHFL, + OPC_GSLDLC1 =3D 0x6 | OPC_GSSHFL, + OPC_GSLDRC1 =3D 0x7 | OPC_GSSHFL, + OPC_GSSWLC1 =3D 0x4 | OPC_GSSHFS, + OPC_GSSWRC1 =3D 0x5 | OPC_GSSHFS, + OPC_GSSDLC1 =3D 0x6 | OPC_GSSHFS, + OPC_GSSDRC1 =3D 0x7 | OPC_GSSHFS, +}; + +/* Loongson EXT LDC2/SDC2 opcodes */ +#define MASK_LOONGSON_LSDC2(op) (MASK_OP_MAJOR(op) | (op & 0x7)) + +enum { + OPC_GSLBX =3D 0x0 | OPC_LDC2, + OPC_GSLHX =3D 0x1 | OPC_LDC2, + OPC_GSLWX =3D 0x2 | OPC_LDC2, + OPC_GSLDX =3D 0x3 | OPC_LDC2, + OPC_GSLWXC1 =3D 0x6 | OPC_LDC2, + OPC_GSLDXC1 =3D 0x7 | OPC_LDC2, + OPC_GSSBX =3D 0x0 | OPC_SDC2, + OPC_GSSHX =3D 0x1 | OPC_SDC2, + OPC_GSSWX =3D 0x2 | OPC_SDC2, + OPC_GSSDX =3D 0x3 | OPC_SDC2, + OPC_GSSWXC1 =3D 0x6 | OPC_SDC2, + OPC_GSSDXC1 =3D 0x7 | OPC_SDC2, +}; + +/* Godson integer instructions */ +static void gen_loongson_integer(DisasContext *ctx, uint32_t opc, + int rd, int rs, int rt) +{ + TCGv t0, t1; + + if (rd =3D=3D 0) { + /* Treat as NOP. */ + return; + } + + switch (opc) { + case OPC_MULT_G_2E: + case OPC_MULT_G_2F: + case OPC_MULTU_G_2E: + case OPC_MULTU_G_2F: +#if defined(TARGET_MIPS64) + case OPC_DMULT_G_2E: + case OPC_DMULT_G_2F: + case OPC_DMULTU_G_2E: + case OPC_DMULTU_G_2F: +#endif + t0 =3D tcg_temp_new(); + t1 =3D tcg_temp_new(); + break; + default: + t0 =3D tcg_temp_local_new(); + t1 =3D tcg_temp_local_new(); + break; + } + + gen_load_gpr(t0, rs); + gen_load_gpr(t1, rt); + + switch (opc) { + case OPC_MULT_G_2E: + case OPC_MULT_G_2F: + tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); + tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); + break; + case OPC_MULTU_G_2E: + case OPC_MULTU_G_2F: + tcg_gen_ext32u_tl(t0, t0); + tcg_gen_ext32u_tl(t1, t1); + tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); + tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); + break; + case OPC_DIV_G_2E: + case OPC_DIV_G_2F: + { + TCGLabel *l1 =3D gen_new_label(); + TCGLabel *l2 =3D gen_new_label(); + TCGLabel *l3 =3D gen_new_label(); + tcg_gen_ext32s_tl(t0, t0); + tcg_gen_ext32s_tl(t1, t1); + tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); + tcg_gen_movi_tl(cpu_gpr[rd], 0); + tcg_gen_br(l3); + gen_set_label(l1); + tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); + tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); + tcg_gen_mov_tl(cpu_gpr[rd], t0); + tcg_gen_br(l3); + gen_set_label(l2); + tcg_gen_div_tl(cpu_gpr[rd], t0, t1); + tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); + gen_set_label(l3); + } + break; + case OPC_DIVU_G_2E: + case OPC_DIVU_G_2F: + { + TCGLabel *l1 =3D gen_new_label(); + TCGLabel *l2 =3D gen_new_label(); + tcg_gen_ext32u_tl(t0, t0); + tcg_gen_ext32u_tl(t1, t1); + tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); + tcg_gen_movi_tl(cpu_gpr[rd], 0); + tcg_gen_br(l2); + gen_set_label(l1); + tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); + tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); + gen_set_label(l2); + } + break; + case OPC_MOD_G_2E: + case OPC_MOD_G_2F: + { + TCGLabel *l1 =3D gen_new_label(); + TCGLabel *l2 =3D gen_new_label(); + TCGLabel *l3 =3D gen_new_label(); + tcg_gen_ext32u_tl(t0, t0); + tcg_gen_ext32u_tl(t1, t1); + tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); + tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); + tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); + gen_set_label(l1); + tcg_gen_movi_tl(cpu_gpr[rd], 0); + tcg_gen_br(l3); + gen_set_label(l2); + tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); + tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); + gen_set_label(l3); + } + break; + case OPC_MODU_G_2E: + case OPC_MODU_G_2F: + { + TCGLabel *l1 =3D gen_new_label(); + TCGLabel *l2 =3D gen_new_label(); + tcg_gen_ext32u_tl(t0, t0); + tcg_gen_ext32u_tl(t1, t1); + tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); + tcg_gen_movi_tl(cpu_gpr[rd], 0); + tcg_gen_br(l2); + gen_set_label(l1); + tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); + tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); + gen_set_label(l2); + } + break; +#if defined(TARGET_MIPS64) + case OPC_DMULT_G_2E: + case OPC_DMULT_G_2F: + tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); + break; + case OPC_DMULTU_G_2E: + case OPC_DMULTU_G_2F: + tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); + break; + case OPC_DDIV_G_2E: + case OPC_DDIV_G_2F: + { + TCGLabel *l1 =3D gen_new_label(); + TCGLabel *l2 =3D gen_new_label(); + TCGLabel *l3 =3D gen_new_label(); + tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); + tcg_gen_movi_tl(cpu_gpr[rd], 0); + tcg_gen_br(l3); + gen_set_label(l1); + tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); + tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); + tcg_gen_mov_tl(cpu_gpr[rd], t0); + tcg_gen_br(l3); + gen_set_label(l2); + tcg_gen_div_tl(cpu_gpr[rd], t0, t1); + gen_set_label(l3); + } + break; + case OPC_DDIVU_G_2E: + case OPC_DDIVU_G_2F: + { + TCGLabel *l1 =3D gen_new_label(); + TCGLabel *l2 =3D gen_new_label(); + tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); + tcg_gen_movi_tl(cpu_gpr[rd], 0); + tcg_gen_br(l2); + gen_set_label(l1); + tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); + gen_set_label(l2); + } + break; + case OPC_DMOD_G_2E: + case OPC_DMOD_G_2F: + { + TCGLabel *l1 =3D gen_new_label(); + TCGLabel *l2 =3D gen_new_label(); + TCGLabel *l3 =3D gen_new_label(); + tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); + tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); + tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); + gen_set_label(l1); + tcg_gen_movi_tl(cpu_gpr[rd], 0); + tcg_gen_br(l3); + gen_set_label(l2); + tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); + gen_set_label(l3); + } + break; + case OPC_DMODU_G_2E: + case OPC_DMODU_G_2F: + { + TCGLabel *l1 =3D gen_new_label(); + TCGLabel *l2 =3D gen_new_label(); + tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); + tcg_gen_movi_tl(cpu_gpr[rd], 0); + tcg_gen_br(l2); + gen_set_label(l1); + tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); + gen_set_label(l2); + } + break; +#endif + } + + tcg_temp_free(t0); + tcg_temp_free(t1); +} + +static void gen_loongson_lswc2(DisasContext *ctx, int rt, + int rs, int rd) +{ + TCGv t0, t1, t2; + TCGv_i32 fp0; +#if defined(TARGET_MIPS64) + int lsq_rt1 =3D ctx->opcode & 0x1f; + int lsq_offset =3D sextract32(ctx->opcode, 6, 9) << 4; +#endif + int shf_offset =3D sextract32(ctx->opcode, 6, 8); + + t0 =3D tcg_temp_new(); + + switch (MASK_LOONGSON_GSLSQ(ctx->opcode)) { +#if defined(TARGET_MIPS64) + case OPC_GSLQ: + t1 =3D tcg_temp_new(); + gen_base_offset_addr(ctx, t0, rs, lsq_offset); + tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEQ | + ctx->default_tcg_memop_mask); + gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); + tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ | + ctx->default_tcg_memop_mask); + gen_store_gpr(t1, rt); + gen_store_gpr(t0, lsq_rt1); + tcg_temp_free(t1); + break; + case OPC_GSLQC1: + check_cp1_enabled(ctx); + t1 =3D tcg_temp_new(); + gen_base_offset_addr(ctx, t0, rs, lsq_offset); + tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEQ | + ctx->default_tcg_memop_mask); + gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); + tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ | + ctx->default_tcg_memop_mask); + gen_store_fpr64(ctx, t1, rt); + gen_store_fpr64(ctx, t0, lsq_rt1); + tcg_temp_free(t1); + break; + case OPC_GSSQ: + t1 =3D tcg_temp_new(); + gen_base_offset_addr(ctx, t0, rs, lsq_offset); + gen_load_gpr(t1, rt); + tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ | + ctx->default_tcg_memop_mask); + gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); + gen_load_gpr(t1, lsq_rt1); + tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ | + ctx->default_tcg_memop_mask); + tcg_temp_free(t1); + break; + case OPC_GSSQC1: + check_cp1_enabled(ctx); + t1 =3D tcg_temp_new(); + gen_base_offset_addr(ctx, t0, rs, lsq_offset); + gen_load_fpr64(ctx, t1, rt); + tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ | + ctx->default_tcg_memop_mask); + gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); + gen_load_fpr64(ctx, t1, lsq_rt1); + tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ | + ctx->default_tcg_memop_mask); + tcg_temp_free(t1); + break; +#endif + case OPC_GSSHFL: + switch (MASK_LOONGSON_GSSHFLS(ctx->opcode)) { + case OPC_GSLWLC1: + check_cp1_enabled(ctx); + gen_base_offset_addr(ctx, t0, rs, shf_offset); + t1 =3D tcg_temp_new(); + tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB); + tcg_gen_andi_tl(t1, t0, 3); +#ifndef TARGET_WORDS_BIGENDIAN + tcg_gen_xori_tl(t1, t1, 3); +#endif + tcg_gen_shli_tl(t1, t1, 3); + tcg_gen_andi_tl(t0, t0, ~3); + tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUL); + tcg_gen_shl_tl(t0, t0, t1); + t2 =3D tcg_const_tl(-1); + tcg_gen_shl_tl(t2, t2, t1); + fp0 =3D tcg_temp_new_i32(); + gen_load_fpr32(ctx, fp0, rt); + tcg_gen_ext_i32_tl(t1, fp0); + tcg_gen_andc_tl(t1, t1, t2); + tcg_temp_free(t2); + tcg_gen_or_tl(t0, t0, t1); + tcg_temp_free(t1); +#if defined(TARGET_MIPS64) + tcg_gen_extrl_i64_i32(fp0, t0); +#else + tcg_gen_ext32s_tl(fp0, t0); +#endif + gen_store_fpr32(ctx, fp0, rt); + tcg_temp_free_i32(fp0); + break; + case OPC_GSLWRC1: + check_cp1_enabled(ctx); + gen_base_offset_addr(ctx, t0, rs, shf_offset); + t1 =3D tcg_temp_new(); + tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB); + tcg_gen_andi_tl(t1, t0, 3); +#ifdef TARGET_WORDS_BIGENDIAN + tcg_gen_xori_tl(t1, t1, 3); +#endif + tcg_gen_shli_tl(t1, t1, 3); + tcg_gen_andi_tl(t0, t0, ~3); + tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUL); + tcg_gen_shr_tl(t0, t0, t1); + tcg_gen_xori_tl(t1, t1, 31); + t2 =3D tcg_const_tl(0xfffffffeull); + tcg_gen_shl_tl(t2, t2, t1); + fp0 =3D tcg_temp_new_i32(); + gen_load_fpr32(ctx, fp0, rt); + tcg_gen_ext_i32_tl(t1, fp0); + tcg_gen_and_tl(t1, t1, t2); + tcg_temp_free(t2); + tcg_gen_or_tl(t0, t0, t1); + tcg_temp_free(t1); +#if defined(TARGET_MIPS64) + tcg_gen_extrl_i64_i32(fp0, t0); +#else + tcg_gen_ext32s_tl(fp0, t0); +#endif + gen_store_fpr32(ctx, fp0, rt); + tcg_temp_free_i32(fp0); + break; +#if defined(TARGET_MIPS64) + case OPC_GSLDLC1: + check_cp1_enabled(ctx); + gen_base_offset_addr(ctx, t0, rs, shf_offset); + t1 =3D tcg_temp_new(); + tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB); + tcg_gen_andi_tl(t1, t0, 7); +#ifndef TARGET_WORDS_BIGENDIAN + tcg_gen_xori_tl(t1, t1, 7); +#endif + tcg_gen_shli_tl(t1, t1, 3); + tcg_gen_andi_tl(t0, t0, ~7); + tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ); + tcg_gen_shl_tl(t0, t0, t1); + t2 =3D tcg_const_tl(-1); + tcg_gen_shl_tl(t2, t2, t1); + gen_load_fpr64(ctx, t1, rt); + tcg_gen_andc_tl(t1, t1, t2); + tcg_temp_free(t2); + tcg_gen_or_tl(t0, t0, t1); + tcg_temp_free(t1); + gen_store_fpr64(ctx, t0, rt); + break; + case OPC_GSLDRC1: + check_cp1_enabled(ctx); + gen_base_offset_addr(ctx, t0, rs, shf_offset); + t1 =3D tcg_temp_new(); + tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB); + tcg_gen_andi_tl(t1, t0, 7); +#ifdef TARGET_WORDS_BIGENDIAN + tcg_gen_xori_tl(t1, t1, 7); +#endif + tcg_gen_shli_tl(t1, t1, 3); + tcg_gen_andi_tl(t0, t0, ~7); + tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ); + tcg_gen_shr_tl(t0, t0, t1); + tcg_gen_xori_tl(t1, t1, 63); + t2 =3D tcg_const_tl(0xfffffffffffffffeull); + tcg_gen_shl_tl(t2, t2, t1); + gen_load_fpr64(ctx, t1, rt); + tcg_gen_and_tl(t1, t1, t2); + tcg_temp_free(t2); + tcg_gen_or_tl(t0, t0, t1); + tcg_temp_free(t1); + gen_store_fpr64(ctx, t0, rt); + break; +#endif + default: + MIPS_INVAL("loongson_gsshfl"); + generate_exception_end(ctx, EXCP_RI); + break; + } + break; + case OPC_GSSHFS: + switch (MASK_LOONGSON_GSSHFLS(ctx->opcode)) { + case OPC_GSSWLC1: + check_cp1_enabled(ctx); + t1 =3D tcg_temp_new(); + gen_base_offset_addr(ctx, t0, rs, shf_offset); + fp0 =3D tcg_temp_new_i32(); + gen_load_fpr32(ctx, fp0, rt); + tcg_gen_ext_i32_tl(t1, fp0); + gen_helper_0e2i(swl, t1, t0, ctx->mem_idx); + tcg_temp_free_i32(fp0); + tcg_temp_free(t1); + break; + case OPC_GSSWRC1: + check_cp1_enabled(ctx); + t1 =3D tcg_temp_new(); + gen_base_offset_addr(ctx, t0, rs, shf_offset); + fp0 =3D tcg_temp_new_i32(); + gen_load_fpr32(ctx, fp0, rt); + tcg_gen_ext_i32_tl(t1, fp0); + gen_helper_0e2i(swr, t1, t0, ctx->mem_idx); + tcg_temp_free_i32(fp0); + tcg_temp_free(t1); + break; +#if defined(TARGET_MIPS64) + case OPC_GSSDLC1: + check_cp1_enabled(ctx); + t1 =3D tcg_temp_new(); + gen_base_offset_addr(ctx, t0, rs, shf_offset); + gen_load_fpr64(ctx, t1, rt); + gen_helper_0e2i(sdl, t1, t0, ctx->mem_idx); + tcg_temp_free(t1); + break; + case OPC_GSSDRC1: + check_cp1_enabled(ctx); + t1 =3D tcg_temp_new(); + gen_base_offset_addr(ctx, t0, rs, shf_offset); + gen_load_fpr64(ctx, t1, rt); + gen_helper_0e2i(sdr, t1, t0, ctx->mem_idx); + tcg_temp_free(t1); + break; +#endif + default: + MIPS_INVAL("loongson_gsshfs"); + generate_exception_end(ctx, EXCP_RI); + break; + } + break; + default: + MIPS_INVAL("loongson_gslsq"); + generate_exception_end(ctx, EXCP_RI); + break; + } + tcg_temp_free(t0); +} + +/* Loongson EXT LDC2/SDC2 */ +static void gen_loongson_lsdc2(DisasContext *ctx, int rt, + int rs, int rd) +{ + int offset =3D sextract32(ctx->opcode, 3, 8); + uint32_t opc =3D MASK_LOONGSON_LSDC2(ctx->opcode); + TCGv t0, t1; + TCGv_i32 fp0; + + /* Pre-conditions */ + switch (opc) { + case OPC_GSLBX: + case OPC_GSLHX: + case OPC_GSLWX: + case OPC_GSLDX: + /* prefetch, implement as NOP */ + if (rt =3D=3D 0) { + return; + } + break; + case OPC_GSSBX: + case OPC_GSSHX: + case OPC_GSSWX: + case OPC_GSSDX: + break; + case OPC_GSLWXC1: +#if defined(TARGET_MIPS64) + case OPC_GSLDXC1: +#endif + check_cp1_enabled(ctx); + /* prefetch, implement as NOP */ + if (rt =3D=3D 0) { + return; + } + break; + case OPC_GSSWXC1: +#if defined(TARGET_MIPS64) + case OPC_GSSDXC1: +#endif + check_cp1_enabled(ctx); + break; + default: + MIPS_INVAL("loongson_lsdc2"); + generate_exception_end(ctx, EXCP_RI); + return; + break; + } + + t0 =3D tcg_temp_new(); + + gen_base_offset_addr(ctx, t0, rs, offset); + gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); + + switch (opc) { + case OPC_GSLBX: + tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_SB); + gen_store_gpr(t0, rt); + break; + case OPC_GSLHX: + tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESW | + ctx->default_tcg_memop_mask); + gen_store_gpr(t0, rt); + break; + case OPC_GSLWX: + gen_base_offset_addr(ctx, t0, rs, offset); + if (rd) { + gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); + } + tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL | + ctx->default_tcg_memop_mask); + gen_store_gpr(t0, rt); + break; +#if defined(TARGET_MIPS64) + case OPC_GSLDX: + gen_base_offset_addr(ctx, t0, rs, offset); + if (rd) { + gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); + } + tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ | + ctx->default_tcg_memop_mask); + gen_store_gpr(t0, rt); + break; +#endif + case OPC_GSLWXC1: + check_cp1_enabled(ctx); + gen_base_offset_addr(ctx, t0, rs, offset); + if (rd) { + gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); + } + fp0 =3D tcg_temp_new_i32(); + tcg_gen_qemu_ld_i32(fp0, t0, ctx->mem_idx, MO_TESL | + ctx->default_tcg_memop_mask); + gen_store_fpr32(ctx, fp0, rt); + tcg_temp_free_i32(fp0); + break; +#if defined(TARGET_MIPS64) + case OPC_GSLDXC1: + check_cp1_enabled(ctx); + gen_base_offset_addr(ctx, t0, rs, offset); + if (rd) { + gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); + } + tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ | + ctx->default_tcg_memop_mask); + gen_store_fpr64(ctx, t0, rt); + break; +#endif + case OPC_GSSBX: + t1 =3D tcg_temp_new(); + gen_load_gpr(t1, rt); + tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_SB); + tcg_temp_free(t1); + break; + case OPC_GSSHX: + t1 =3D tcg_temp_new(); + gen_load_gpr(t1, rt); + tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUW | + ctx->default_tcg_memop_mask); + tcg_temp_free(t1); + break; + case OPC_GSSWX: + t1 =3D tcg_temp_new(); + gen_load_gpr(t1, rt); + tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL | + ctx->default_tcg_memop_mask); + tcg_temp_free(t1); + break; +#if defined(TARGET_MIPS64) + case OPC_GSSDX: + t1 =3D tcg_temp_new(); + gen_load_gpr(t1, rt); + tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ | + ctx->default_tcg_memop_mask); + tcg_temp_free(t1); + break; +#endif + case OPC_GSSWXC1: + fp0 =3D tcg_temp_new_i32(); + gen_load_fpr32(ctx, fp0, rt); + tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL | + ctx->default_tcg_memop_mask); + tcg_temp_free_i32(fp0); + break; +#if defined(TARGET_MIPS64) + case OPC_GSSDXC1: + t1 =3D tcg_temp_new(); + gen_load_fpr64(ctx, t1, rt); + tcg_gen_qemu_st_i64(t1, t0, ctx->mem_idx, MO_TEQ | + ctx->default_tcg_memop_mask); + tcg_temp_free(t1); + break; +#endif + default: + break; + } + + tcg_temp_free(t0); +} --=20 2.26.2