diff options
Diffstat (limited to 'tcg/mips/tcg-target.c.inc')
| -rw-r--r-- | tcg/mips/tcg-target.c.inc | 175 |
1 files changed, 51 insertions, 124 deletions
diff --git a/tcg/mips/tcg-target.c.inc b/tcg/mips/tcg-target.c.inc index 7293169ab2..ab55f3109b 100644 --- a/tcg/mips/tcg-target.c.inc +++ b/tcg/mips/tcg-target.c.inc @@ -171,67 +171,27 @@ static bool patch_reloc(tcg_insn_unit *code_ptr, int type, #define TCG_CT_CONST_N16 0x1000 /* "Negatable" 16-bit: -32767 - 32767 */ #define TCG_CT_CONST_WSZ 0x2000 /* word size */ +#define ALL_GENERAL_REGS 0xffffffffu +#define NOA0_REGS (ALL_GENERAL_REGS & ~(1 << TCG_REG_A0)) + +#ifdef CONFIG_SOFTMMU +#define ALL_QLOAD_REGS \ + (NOA0_REGS & ~((TCG_TARGET_REG_BITS < TARGET_LONG_BITS) << TCG_REG_A2)) +#define ALL_QSTORE_REGS \ + (NOA0_REGS & ~(TCG_TARGET_REG_BITS < TARGET_LONG_BITS \ + ? (1 << TCG_REG_A2) | (1 << TCG_REG_A3) \ + : (1 << TCG_REG_A1))) +#else +#define ALL_QLOAD_REGS NOA0_REGS +#define ALL_QSTORE_REGS NOA0_REGS +#endif + + static inline bool is_p2m1(tcg_target_long val) { return val && ((val + 1) & val) == 0; } -/* parse target specific constraints */ -static const char *target_parse_constraint(TCGArgConstraint *ct, - const char *ct_str, TCGType type) -{ - switch(*ct_str++) { - case 'r': - ct->regs = 0xffffffff; - break; - case 'L': /* qemu_ld input arg constraint */ - ct->regs = 0xffffffff; - tcg_regset_reset_reg(ct->regs, TCG_REG_A0); -#if defined(CONFIG_SOFTMMU) - if (TCG_TARGET_REG_BITS < TARGET_LONG_BITS) { - tcg_regset_reset_reg(ct->regs, TCG_REG_A2); - } -#endif - break; - case 'S': /* qemu_st constraint */ - ct->regs = 0xffffffff; - tcg_regset_reset_reg(ct->regs, TCG_REG_A0); -#if defined(CONFIG_SOFTMMU) - if (TCG_TARGET_REG_BITS < TARGET_LONG_BITS) { - tcg_regset_reset_reg(ct->regs, TCG_REG_A2); - tcg_regset_reset_reg(ct->regs, TCG_REG_A3); - } else { - tcg_regset_reset_reg(ct->regs, TCG_REG_A1); - } -#endif - break; - case 'I': - ct->ct |= TCG_CT_CONST_U16; - break; - case 'J': - ct->ct |= TCG_CT_CONST_S16; - break; - case 'K': - ct->ct |= TCG_CT_CONST_P2M1; - break; - case 'N': - ct->ct |= TCG_CT_CONST_N16; - break; - case 'W': - ct->ct |= TCG_CT_CONST_WSZ; - break; - case 'Z': - /* We are cheating a bit here, using the fact that the register - ZERO is also the register number 0. Hence there is no need - to check for const_args in each instruction. */ - ct->ct |= TCG_CT_CONST_ZERO; - break; - default: - return NULL; - } - return ct_str; -} - /* test if a constant matches the constraint */ static inline int tcg_target_const_match(tcg_target_long val, TCGType type, const TCGArgConstraint *arg_ct) @@ -1697,6 +1657,11 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGArg a0, a1, a2; int c2; + /* + * Note that many operands use the constraint set "rZ". + * We make use of the fact that 0 is the ZERO register, + * and hence such cases need not check for const_args. + */ a0 = args[0]; a1 = args[1]; a2 = args[2]; @@ -2147,52 +2112,11 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, } } -static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op) -{ - static const TCGTargetOpDef r = { .args_ct_str = { "r" } }; - static const TCGTargetOpDef r_r = { .args_ct_str = { "r", "r" } }; - static const TCGTargetOpDef r_L = { .args_ct_str = { "r", "L" } }; - static const TCGTargetOpDef rZ_r = { .args_ct_str = { "rZ", "r" } }; - static const TCGTargetOpDef SZ_S = { .args_ct_str = { "SZ", "S" } }; - static const TCGTargetOpDef rZ_rZ = { .args_ct_str = { "rZ", "rZ" } }; - static const TCGTargetOpDef r_r_L = { .args_ct_str = { "r", "r", "L" } }; - static const TCGTargetOpDef r_L_L = { .args_ct_str = { "r", "L", "L" } }; - static const TCGTargetOpDef r_r_ri = { .args_ct_str = { "r", "r", "ri" } }; - static const TCGTargetOpDef r_r_rI = { .args_ct_str = { "r", "r", "rI" } }; - static const TCGTargetOpDef r_r_rJ = { .args_ct_str = { "r", "r", "rJ" } }; - static const TCGTargetOpDef SZ_S_S = { .args_ct_str = { "SZ", "S", "S" } }; - static const TCGTargetOpDef SZ_SZ_S - = { .args_ct_str = { "SZ", "SZ", "S" } }; - static const TCGTargetOpDef SZ_SZ_S_S - = { .args_ct_str = { "SZ", "SZ", "S", "S" } }; - static const TCGTargetOpDef r_rZ_rN - = { .args_ct_str = { "r", "rZ", "rN" } }; - static const TCGTargetOpDef r_rZ_rZ - = { .args_ct_str = { "r", "rZ", "rZ" } }; - static const TCGTargetOpDef r_r_rIK - = { .args_ct_str = { "r", "r", "rIK" } }; - static const TCGTargetOpDef r_r_rWZ - = { .args_ct_str = { "r", "r", "rWZ" } }; - static const TCGTargetOpDef r_r_r_r - = { .args_ct_str = { "r", "r", "r", "r" } }; - static const TCGTargetOpDef r_r_L_L - = { .args_ct_str = { "r", "r", "L", "L" } }; - static const TCGTargetOpDef dep - = { .args_ct_str = { "r", "0", "rZ" } }; - static const TCGTargetOpDef movc - = { .args_ct_str = { "r", "rZ", "rZ", "rZ", "0" } }; - static const TCGTargetOpDef movc_r6 - = { .args_ct_str = { "r", "rZ", "rZ", "rZ", "rZ" } }; - static const TCGTargetOpDef add2 - = { .args_ct_str = { "r", "r", "rZ", "rZ", "rN", "rN" } }; - static const TCGTargetOpDef br2 - = { .args_ct_str = { "rZ", "rZ", "rZ", "rZ" } }; - static const TCGTargetOpDef setc2 - = { .args_ct_str = { "r", "rZ", "rZ", "rZ", "rZ" } }; - +static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op) +{ switch (op) { case INDEX_op_goto_ptr: - return &r; + return C_O0_I1(r); case INDEX_op_ld8u_i32: case INDEX_op_ld8s_i32: @@ -2225,7 +2149,7 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op) case INDEX_op_extrl_i64_i32: case INDEX_op_extrh_i64_i32: case INDEX_op_extract_i64: - return &r_r; + return C_O1_I1(r, r); case INDEX_op_st8_i32: case INDEX_op_st16_i32: @@ -2234,14 +2158,14 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op) case INDEX_op_st16_i64: case INDEX_op_st32_i64: case INDEX_op_st_i64: - return &rZ_r; + return C_O0_I2(rZ, r); case INDEX_op_add_i32: case INDEX_op_add_i64: - return &r_r_rJ; + return C_O1_I2(r, r, rJ); case INDEX_op_sub_i32: case INDEX_op_sub_i64: - return &r_rZ_rN; + return C_O1_I2(r, rZ, rN); case INDEX_op_mul_i32: case INDEX_op_mulsh_i32: case INDEX_op_muluh_i32: @@ -2260,20 +2184,20 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op) case INDEX_op_remu_i64: case INDEX_op_nor_i64: case INDEX_op_setcond_i64: - return &r_rZ_rZ; + return C_O1_I2(r, rZ, rZ); case INDEX_op_muls2_i32: case INDEX_op_mulu2_i32: case INDEX_op_muls2_i64: case INDEX_op_mulu2_i64: - return &r_r_r_r; + return C_O2_I2(r, r, r, r); case INDEX_op_and_i32: case INDEX_op_and_i64: - return &r_r_rIK; + return C_O1_I2(r, r, rIK); case INDEX_op_or_i32: case INDEX_op_xor_i32: case INDEX_op_or_i64: case INDEX_op_xor_i64: - return &r_r_rI; + return C_O1_I2(r, r, rI); case INDEX_op_shl_i32: case INDEX_op_shr_i32: case INDEX_op_sar_i32: @@ -2284,44 +2208,47 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op) case INDEX_op_sar_i64: case INDEX_op_rotr_i64: case INDEX_op_rotl_i64: - return &r_r_ri; + return C_O1_I2(r, r, ri); case INDEX_op_clz_i32: case INDEX_op_clz_i64: - return &r_r_rWZ; + return C_O1_I2(r, r, rWZ); case INDEX_op_deposit_i32: case INDEX_op_deposit_i64: - return &dep; + return C_O1_I2(r, 0, rZ); case INDEX_op_brcond_i32: case INDEX_op_brcond_i64: - return &rZ_rZ; + return C_O0_I2(rZ, rZ); case INDEX_op_movcond_i32: case INDEX_op_movcond_i64: - return use_mips32r6_instructions ? &movc_r6 : &movc; - + return (use_mips32r6_instructions + ? C_O1_I4(r, rZ, rZ, rZ, rZ) + : C_O1_I4(r, rZ, rZ, rZ, 0)); case INDEX_op_add2_i32: case INDEX_op_sub2_i32: - return &add2; + return C_O2_I4(r, r, rZ, rZ, rN, rN); case INDEX_op_setcond2_i32: - return &setc2; + return C_O1_I4(r, rZ, rZ, rZ, rZ); case INDEX_op_brcond2_i32: - return &br2; + return C_O0_I4(rZ, rZ, rZ, rZ); case INDEX_op_qemu_ld_i32: return (TCG_TARGET_REG_BITS == 64 || TARGET_LONG_BITS == 32 - ? &r_L : &r_L_L); + ? C_O1_I1(r, L) : C_O1_I2(r, L, L)); case INDEX_op_qemu_st_i32: return (TCG_TARGET_REG_BITS == 64 || TARGET_LONG_BITS == 32 - ? &SZ_S : &SZ_S_S); + ? C_O0_I2(SZ, S) : C_O0_I3(SZ, S, S)); case INDEX_op_qemu_ld_i64: - return (TCG_TARGET_REG_BITS == 64 ? &r_L - : TARGET_LONG_BITS == 32 ? &r_r_L : &r_r_L_L); + return (TCG_TARGET_REG_BITS == 64 ? C_O1_I1(r, L) + : TARGET_LONG_BITS == 32 ? C_O2_I1(r, r, L) + : C_O2_I2(r, r, L, L)); case INDEX_op_qemu_st_i64: - return (TCG_TARGET_REG_BITS == 64 ? &SZ_S - : TARGET_LONG_BITS == 32 ? &SZ_SZ_S : &SZ_SZ_S_S); + return (TCG_TARGET_REG_BITS == 64 ? C_O0_I2(SZ, S) + : TARGET_LONG_BITS == 32 ? C_O0_I3(SZ, SZ, S) + : C_O0_I4(SZ, SZ, S, S)); default: - return NULL; + g_assert_not_reached(); } } |