diff --git a/target-mips/helper.h b/target-mips/helper.h index da8d9a1381..acf9ebd759 100644 --- a/target-mips/helper.h +++ b/target-mips/helper.h @@ -4,13 +4,9 @@ DEF_HELPER_3(raise_exception_err, noreturn, env, i32, int) DEF_HELPER_2(raise_exception, noreturn, env, i32) #ifdef TARGET_MIPS64 -DEF_HELPER_4(ldl, tl, env, tl, tl, int) -DEF_HELPER_4(ldr, tl, env, tl, tl, int) DEF_HELPER_4(sdl, void, env, tl, tl, int) DEF_HELPER_4(sdr, void, env, tl, tl, int) #endif -DEF_HELPER_4(lwl, tl, env, tl, tl, int) -DEF_HELPER_4(lwr, tl, env, tl, tl, int) DEF_HELPER_4(swl, void, env, tl, tl, int) DEF_HELPER_4(swr, void, env, tl, tl, int) diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c index 78497d9a87..773c7104af 100644 --- a/target-mips/op_helper.c +++ b/target-mips/op_helper.c @@ -350,56 +350,6 @@ HELPER_ST_ATOMIC(scd, ld, sd, 0x7) #define GET_OFFSET(addr, offset) (addr - (offset)) #endif -target_ulong helper_lwl(CPUMIPSState *env, target_ulong arg1, - target_ulong arg2, int mem_idx) -{ - target_ulong tmp; - - tmp = do_lbu(env, arg2, mem_idx); - arg1 = (arg1 & 0x00FFFFFF) | (tmp << 24); - - if (GET_LMASK(arg2) <= 2) { - tmp = do_lbu(env, GET_OFFSET(arg2, 1), mem_idx); - arg1 = (arg1 & 0xFF00FFFF) | (tmp << 16); - } - - if (GET_LMASK(arg2) <= 1) { - tmp = do_lbu(env, GET_OFFSET(arg2, 2), mem_idx); - arg1 = (arg1 & 0xFFFF00FF) | (tmp << 8); - } - - if (GET_LMASK(arg2) == 0) { - tmp = do_lbu(env, GET_OFFSET(arg2, 3), mem_idx); - arg1 = (arg1 & 0xFFFFFF00) | tmp; - } - return (int32_t)arg1; -} - -target_ulong helper_lwr(CPUMIPSState *env, target_ulong arg1, - target_ulong arg2, int mem_idx) -{ - target_ulong tmp; - - tmp = do_lbu(env, arg2, mem_idx); - arg1 = (arg1 & 0xFFFFFF00) | tmp; - - if (GET_LMASK(arg2) >= 1) { - tmp = do_lbu(env, GET_OFFSET(arg2, -1), mem_idx); - arg1 = (arg1 & 0xFFFF00FF) | (tmp << 8); - } - - if (GET_LMASK(arg2) >= 2) { - tmp = do_lbu(env, GET_OFFSET(arg2, -2), mem_idx); - arg1 = (arg1 & 0xFF00FFFF) | (tmp << 16); - } - - if (GET_LMASK(arg2) == 3) { - tmp = do_lbu(env, GET_OFFSET(arg2, -3), mem_idx); - arg1 = (arg1 & 0x00FFFFFF) | (tmp << 24); - } - return (int32_t)arg1; -} - void helper_swl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2, int mem_idx) { @@ -440,98 +390,6 @@ void helper_swr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2, #define GET_LMASK64(v) (((v) & 7) ^ 7) #endif -target_ulong helper_ldl(CPUMIPSState *env, target_ulong arg1, - target_ulong arg2, int mem_idx) -{ - uint64_t tmp; - - tmp = do_lbu(env, arg2, mem_idx); - arg1 = (arg1 & 0x00FFFFFFFFFFFFFFULL) | (tmp << 56); - - if (GET_LMASK64(arg2) <= 6) { - tmp = do_lbu(env, GET_OFFSET(arg2, 1), mem_idx); - arg1 = (arg1 & 0xFF00FFFFFFFFFFFFULL) | (tmp << 48); - } - - if (GET_LMASK64(arg2) <= 5) { - tmp = do_lbu(env, GET_OFFSET(arg2, 2), mem_idx); - arg1 = (arg1 & 0xFFFF00FFFFFFFFFFULL) | (tmp << 40); - } - - if (GET_LMASK64(arg2) <= 4) { - tmp = do_lbu(env, GET_OFFSET(arg2, 3), mem_idx); - arg1 = (arg1 & 0xFFFFFF00FFFFFFFFULL) | (tmp << 32); - } - - if (GET_LMASK64(arg2) <= 3) { - tmp = do_lbu(env, GET_OFFSET(arg2, 4), mem_idx); - arg1 = (arg1 & 0xFFFFFFFF00FFFFFFULL) | (tmp << 24); - } - - if (GET_LMASK64(arg2) <= 2) { - tmp = do_lbu(env, GET_OFFSET(arg2, 5), mem_idx); - arg1 = (arg1 & 0xFFFFFFFFFF00FFFFULL) | (tmp << 16); - } - - if (GET_LMASK64(arg2) <= 1) { - tmp = do_lbu(env, GET_OFFSET(arg2, 6), mem_idx); - arg1 = (arg1 & 0xFFFFFFFFFFFF00FFULL) | (tmp << 8); - } - - if (GET_LMASK64(arg2) == 0) { - tmp = do_lbu(env, GET_OFFSET(arg2, 7), mem_idx); - arg1 = (arg1 & 0xFFFFFFFFFFFFFF00ULL) | tmp; - } - - return arg1; -} - -target_ulong helper_ldr(CPUMIPSState *env, target_ulong arg1, - target_ulong arg2, int mem_idx) -{ - uint64_t tmp; - - tmp = do_lbu(env, arg2, mem_idx); - arg1 = (arg1 & 0xFFFFFFFFFFFFFF00ULL) | tmp; - - if (GET_LMASK64(arg2) >= 1) { - tmp = do_lbu(env, GET_OFFSET(arg2, -1), mem_idx); - arg1 = (arg1 & 0xFFFFFFFFFFFF00FFULL) | (tmp << 8); - } - - if (GET_LMASK64(arg2) >= 2) { - tmp = do_lbu(env, GET_OFFSET(arg2, -2), mem_idx); - arg1 = (arg1 & 0xFFFFFFFFFF00FFFFULL) | (tmp << 16); - } - - if (GET_LMASK64(arg2) >= 3) { - tmp = do_lbu(env, GET_OFFSET(arg2, -3), mem_idx); - arg1 = (arg1 & 0xFFFFFFFF00FFFFFFULL) | (tmp << 24); - } - - if (GET_LMASK64(arg2) >= 4) { - tmp = do_lbu(env, GET_OFFSET(arg2, -4), mem_idx); - arg1 = (arg1 & 0xFFFFFF00FFFFFFFFULL) | (tmp << 32); - } - - if (GET_LMASK64(arg2) >= 5) { - tmp = do_lbu(env, GET_OFFSET(arg2, -5), mem_idx); - arg1 = (arg1 & 0xFFFF00FFFFFFFFFFULL) | (tmp << 40); - } - - if (GET_LMASK64(arg2) >= 6) { - tmp = do_lbu(env, GET_OFFSET(arg2, -6), mem_idx); - arg1 = (arg1 & 0xFF00FFFFFFFFFFFFULL) | (tmp << 48); - } - - if (GET_LMASK64(arg2) == 7) { - tmp = do_lbu(env, GET_OFFSET(arg2, -7), mem_idx); - arg1 = (arg1 & 0x00FFFFFFFFFFFFFFULL) | (tmp << 56); - } - - return arg1; -} - void helper_sdl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2, int mem_idx) { diff --git a/target-mips/translate.c b/target-mips/translate.c index a48a475806..05d88c4bfc 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -1580,7 +1580,7 @@ static void gen_ld (CPUMIPSState *env, DisasContext *ctx, uint32_t opc, int rt, int base, int16_t offset) { const char *opn = "ld"; - TCGv t0, t1; + TCGv t0, t1, t2; if (rt == 0 && env->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F)) { /* Loongson CPU uses a load to zero register for prefetch. @@ -1612,21 +1612,45 @@ static void gen_ld (CPUMIPSState *env, DisasContext *ctx, uint32_t opc, opn = "lld"; break; case OPC_LDL: - save_cpu_state(ctx, 1); t1 = tcg_temp_new(); + 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_ld64(t0, t0, ctx->mem_idx); + tcg_gen_shl_tl(t0, t0, t1); + tcg_gen_xori_tl(t1, t1, 63); + t2 = tcg_const_tl(0x7fffffffffffffffull); + tcg_gen_shr_tl(t2, t2, t1); gen_load_gpr(t1, rt); - gen_helper_1e2i(ldl, t1, t1, t0, ctx->mem_idx); - gen_store_gpr(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_gpr(t0, rt); opn = "ldl"; break; case OPC_LDR: - save_cpu_state(ctx, 1); t1 = tcg_temp_new(); + 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_ld64(t0, t0, ctx->mem_idx); + tcg_gen_shr_tl(t0, t0, t1); + tcg_gen_xori_tl(t1, t1, 63); + t2 = tcg_const_tl(0xfffffffffffffffeull); + tcg_gen_shl_tl(t2, t2, t1); gen_load_gpr(t1, rt); - gen_helper_1e2i(ldr, t1, t1, t0, ctx->mem_idx); - gen_store_gpr(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_gpr(t0, rt); opn = "ldr"; break; case OPC_LDPC: @@ -1672,21 +1696,46 @@ static void gen_ld (CPUMIPSState *env, DisasContext *ctx, uint32_t opc, opn = "lbu"; break; case OPC_LWL: - save_cpu_state(ctx, 1); t1 = tcg_temp_new(); + 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_ld32u(t0, t0, ctx->mem_idx); + tcg_gen_shl_tl(t0, t0, t1); + tcg_gen_xori_tl(t1, t1, 31); + t2 = tcg_const_tl(0x7fffffffull); + tcg_gen_shr_tl(t2, t2, t1); gen_load_gpr(t1, rt); - gen_helper_1e2i(lwl, t1, t1, t0, ctx->mem_idx); - gen_store_gpr(t1, rt); + tcg_gen_and_tl(t1, t1, t2); + tcg_temp_free(t2); + tcg_gen_or_tl(t0, t0, t1); tcg_temp_free(t1); + tcg_gen_ext32s_tl(t0, t0); + gen_store_gpr(t0, rt); opn = "lwl"; break; case OPC_LWR: - save_cpu_state(ctx, 1); t1 = tcg_temp_new(); + 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_ld32u(t0, t0, ctx->mem_idx); + tcg_gen_shr_tl(t0, t0, t1); + tcg_gen_xori_tl(t1, t1, 31); + t2 = tcg_const_tl(0xfffffffeull); + tcg_gen_shl_tl(t2, t2, t1); gen_load_gpr(t1, rt); - gen_helper_1e2i(lwr, t1, t1, t0, ctx->mem_idx); - gen_store_gpr(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_gpr(t0, rt); opn = "lwr"; break; case OPC_LL: