diff options
Diffstat (limited to 'tcg/riscv/tcg-target.c.inc')
-rw-r--r-- | tcg/riscv/tcg-target.c.inc | 2347 |
1 files changed, 1625 insertions, 722 deletions
diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc index 6393630..31b9f7d 100644 --- a/tcg/riscv/tcg-target.c.inc +++ b/tcg/riscv/tcg-target.c.inc @@ -27,43 +27,25 @@ * THE SOFTWARE. */ -#include "../tcg-ldst.c.inc" -#include "../tcg-pool.c.inc" +/* Used for function call generation. */ +#define TCG_REG_CALL_STACK TCG_REG_SP +#define TCG_TARGET_STACK_ALIGN 16 +#define TCG_TARGET_CALL_STACK_OFFSET 0 +#define TCG_TARGET_CALL_ARG_I32 TCG_CALL_ARG_NORMAL +#define TCG_TARGET_CALL_ARG_I64 TCG_CALL_ARG_NORMAL +#define TCG_TARGET_CALL_ARG_I128 TCG_CALL_ARG_NORMAL +#define TCG_TARGET_CALL_RET_I128 TCG_CALL_RET_NORMAL #ifdef CONFIG_DEBUG_TCG static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = { - "zero", - "ra", - "sp", - "gp", - "tp", - "t0", - "t1", - "t2", - "s0", - "s1", - "a0", - "a1", - "a2", - "a3", - "a4", - "a5", - "a6", - "a7", - "s2", - "s3", - "s4", - "s5", - "s6", - "s7", - "s8", - "s9", - "s10", - "s11", - "t3", - "t4", - "t5", - "t6" + "zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", + "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", + "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", + "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6", + "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", + "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", + "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", + "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", }; #endif @@ -100,6 +82,16 @@ static const int tcg_target_reg_alloc_order[] = { TCG_REG_A5, TCG_REG_A6, TCG_REG_A7, + + /* Vector registers and TCG_REG_V0 reserved for mask. */ + TCG_REG_V1, TCG_REG_V2, TCG_REG_V3, TCG_REG_V4, + TCG_REG_V5, TCG_REG_V6, TCG_REG_V7, TCG_REG_V8, + TCG_REG_V9, TCG_REG_V10, TCG_REG_V11, TCG_REG_V12, + TCG_REG_V13, TCG_REG_V14, TCG_REG_V15, TCG_REG_V16, + TCG_REG_V17, TCG_REG_V18, TCG_REG_V19, TCG_REG_V20, + TCG_REG_V21, TCG_REG_V22, TCG_REG_V23, TCG_REG_V24, + TCG_REG_V25, TCG_REG_V26, TCG_REG_V27, TCG_REG_V28, + TCG_REG_V29, TCG_REG_V30, TCG_REG_V31, }; static const int tcg_target_call_iarg_regs[] = { @@ -113,20 +105,6 @@ static const int tcg_target_call_iarg_regs[] = { TCG_REG_A7, }; -#ifndef have_zbb -bool have_zbb; -#endif -#if defined(__riscv_arch_test) && defined(__riscv_zba) -# define have_zba true -#else -static bool have_zba; -#endif -#if defined(__riscv_arch_test) && defined(__riscv_zicond) -# define have_zicond true -#else -static bool have_zicond; -#endif - static TCGReg tcg_target_call_oarg_reg(TCGCallReturnKind kind, int slot) { tcg_debug_assert(kind == TCG_CALL_RET_NORMAL); @@ -134,62 +112,47 @@ static TCGReg tcg_target_call_oarg_reg(TCGCallReturnKind kind, int slot) return TCG_REG_A0 + slot; } -#define TCG_CT_CONST_ZERO 0x100 -#define TCG_CT_CONST_S12 0x200 -#define TCG_CT_CONST_N12 0x400 -#define TCG_CT_CONST_M12 0x800 -#define TCG_CT_CONST_J12 0x1000 +#define TCG_CT_CONST_S12 0x100 +#define TCG_CT_CONST_M12 0x200 +#define TCG_CT_CONST_S5 0x400 +#define TCG_CT_CONST_CMP_VI 0x800 #define ALL_GENERAL_REGS MAKE_64BIT_MASK(0, 32) +#define ALL_VECTOR_REGS MAKE_64BIT_MASK(32, 32) +#define ALL_DVECTOR_REG_GROUPS 0x5555555500000000 +#define ALL_QVECTOR_REG_GROUPS 0x1111111100000000 #define sextreg sextract64 -/* test if a constant matches the constraint */ -static bool tcg_target_const_match(int64_t val, int ct, - TCGType type, TCGCond cond, int vece) -{ - if (ct & TCG_CT_CONST) { - return 1; - } - if ((ct & TCG_CT_CONST_ZERO) && val == 0) { - return 1; - } - /* - * Sign extended from 12 bits: [-0x800, 0x7ff]. - * Used for most arithmetic, as this is the isa field. - */ - if ((ct & TCG_CT_CONST_S12) && val >= -0x800 && val <= 0x7ff) { - return 1; - } - /* - * Sign extended from 12 bits, negated: [-0x7ff, 0x800]. - * Used for subtraction, where a constant must be handled by ADDI. - */ - if ((ct & TCG_CT_CONST_N12) && val >= -0x7ff && val <= 0x800) { - return 1; - } - /* - * Sign extended from 12 bits, +/- matching: [-0x7ff, 0x7ff]. - * Used by addsub2 and movcond, which may need the negative value, - * and requires the modified constant to be representable. - */ - if ((ct & TCG_CT_CONST_M12) && val >= -0x7ff && val <= 0x7ff) { - return 1; - } - /* - * Inverse of sign extended from 12 bits: ~[-0x800, 0x7ff]. - * Used to map ANDN back to ANDI, etc. - */ - if ((ct & TCG_CT_CONST_J12) && ~val >= -0x800 && ~val <= 0x7ff) { - return 1; - } - return 0; -} - /* * RISC-V Base ISA opcodes (IM) */ +#define V_OPIVV (0x0 << 12) +#define V_OPFVV (0x1 << 12) +#define V_OPMVV (0x2 << 12) +#define V_OPIVI (0x3 << 12) +#define V_OPIVX (0x4 << 12) +#define V_OPFVF (0x5 << 12) +#define V_OPMVX (0x6 << 12) +#define V_OPCFG (0x7 << 12) + +/* NF <= 7 && NF >= 0 */ +#define V_NF(x) (x << 29) +#define V_UNIT_STRIDE (0x0 << 20) +#define V_UNIT_STRIDE_WHOLE_REG (0x8 << 20) + +typedef enum { + VLMUL_M1 = 0, /* LMUL=1 */ + VLMUL_M2, /* LMUL=2 */ + VLMUL_M4, /* LMUL=4 */ + VLMUL_M8, /* LMUL=8 */ + VLMUL_RESERVED, + VLMUL_MF8, /* LMUL=1/8 */ + VLMUL_MF4, /* LMUL=1/4 */ + VLMUL_MF2, /* LMUL=1/2 */ +} RISCVVlmul; + typedef enum { OPC_ADD = 0x33, OPC_ADDI = 0x13, @@ -197,6 +160,7 @@ typedef enum { OPC_ANDI = 0x7013, OPC_AUIPC = 0x17, OPC_BEQ = 0x63, + OPC_BEXTI = 0x48005013, OPC_BGE = 0x5063, OPC_BGEU = 0x7063, OPC_BLT = 0x4063, @@ -285,8 +249,182 @@ typedef enum { /* Zicond: integer conditional operations */ OPC_CZERO_EQZ = 0x0e005033, OPC_CZERO_NEZ = 0x0e007033, + + /* V: Vector extension 1.0 */ + OPC_VSETVLI = 0x57 | V_OPCFG, + OPC_VSETIVLI = 0xc0000057 | V_OPCFG, + OPC_VSETVL = 0x80000057 | V_OPCFG, + + OPC_VLE8_V = 0x7 | V_UNIT_STRIDE, + OPC_VLE16_V = 0x5007 | V_UNIT_STRIDE, + OPC_VLE32_V = 0x6007 | V_UNIT_STRIDE, + OPC_VLE64_V = 0x7007 | V_UNIT_STRIDE, + OPC_VSE8_V = 0x27 | V_UNIT_STRIDE, + OPC_VSE16_V = 0x5027 | V_UNIT_STRIDE, + OPC_VSE32_V = 0x6027 | V_UNIT_STRIDE, + OPC_VSE64_V = 0x7027 | V_UNIT_STRIDE, + + OPC_VL1RE64_V = 0x2007007 | V_UNIT_STRIDE_WHOLE_REG | V_NF(0), + OPC_VL2RE64_V = 0x2007007 | V_UNIT_STRIDE_WHOLE_REG | V_NF(1), + OPC_VL4RE64_V = 0x2007007 | V_UNIT_STRIDE_WHOLE_REG | V_NF(3), + OPC_VL8RE64_V = 0x2007007 | V_UNIT_STRIDE_WHOLE_REG | V_NF(7), + + OPC_VS1R_V = 0x2000027 | V_UNIT_STRIDE_WHOLE_REG | V_NF(0), + OPC_VS2R_V = 0x2000027 | V_UNIT_STRIDE_WHOLE_REG | V_NF(1), + OPC_VS4R_V = 0x2000027 | V_UNIT_STRIDE_WHOLE_REG | V_NF(3), + OPC_VS8R_V = 0x2000027 | V_UNIT_STRIDE_WHOLE_REG | V_NF(7), + + OPC_VMERGE_VIM = 0x5c000057 | V_OPIVI, + OPC_VMERGE_VVM = 0x5c000057 | V_OPIVV, + + OPC_VADD_VV = 0x57 | V_OPIVV, + OPC_VADD_VI = 0x57 | V_OPIVI, + OPC_VSUB_VV = 0x8000057 | V_OPIVV, + OPC_VRSUB_VI = 0xc000057 | V_OPIVI, + OPC_VAND_VV = 0x24000057 | V_OPIVV, + OPC_VAND_VI = 0x24000057 | V_OPIVI, + OPC_VOR_VV = 0x28000057 | V_OPIVV, + OPC_VOR_VI = 0x28000057 | V_OPIVI, + OPC_VXOR_VV = 0x2c000057 | V_OPIVV, + OPC_VXOR_VI = 0x2c000057 | V_OPIVI, + + OPC_VMUL_VV = 0x94000057 | V_OPMVV, + OPC_VSADD_VV = 0x84000057 | V_OPIVV, + OPC_VSADD_VI = 0x84000057 | V_OPIVI, + OPC_VSSUB_VV = 0x8c000057 | V_OPIVV, + OPC_VSSUB_VI = 0x8c000057 | V_OPIVI, + OPC_VSADDU_VV = 0x80000057 | V_OPIVV, + OPC_VSADDU_VI = 0x80000057 | V_OPIVI, + OPC_VSSUBU_VV = 0x88000057 | V_OPIVV, + OPC_VSSUBU_VI = 0x88000057 | V_OPIVI, + + OPC_VMAX_VV = 0x1c000057 | V_OPIVV, + OPC_VMAX_VI = 0x1c000057 | V_OPIVI, + OPC_VMAXU_VV = 0x18000057 | V_OPIVV, + OPC_VMAXU_VI = 0x18000057 | V_OPIVI, + OPC_VMIN_VV = 0x14000057 | V_OPIVV, + OPC_VMIN_VI = 0x14000057 | V_OPIVI, + OPC_VMINU_VV = 0x10000057 | V_OPIVV, + OPC_VMINU_VI = 0x10000057 | V_OPIVI, + + OPC_VMSEQ_VV = 0x60000057 | V_OPIVV, + OPC_VMSEQ_VI = 0x60000057 | V_OPIVI, + OPC_VMSEQ_VX = 0x60000057 | V_OPIVX, + OPC_VMSNE_VV = 0x64000057 | V_OPIVV, + OPC_VMSNE_VI = 0x64000057 | V_OPIVI, + OPC_VMSNE_VX = 0x64000057 | V_OPIVX, + + OPC_VMSLTU_VV = 0x68000057 | V_OPIVV, + OPC_VMSLTU_VX = 0x68000057 | V_OPIVX, + OPC_VMSLT_VV = 0x6c000057 | V_OPIVV, + OPC_VMSLT_VX = 0x6c000057 | V_OPIVX, + OPC_VMSLEU_VV = 0x70000057 | V_OPIVV, + OPC_VMSLEU_VX = 0x70000057 | V_OPIVX, + OPC_VMSLE_VV = 0x74000057 | V_OPIVV, + OPC_VMSLE_VX = 0x74000057 | V_OPIVX, + + OPC_VMSLEU_VI = 0x70000057 | V_OPIVI, + OPC_VMSLE_VI = 0x74000057 | V_OPIVI, + OPC_VMSGTU_VI = 0x78000057 | V_OPIVI, + OPC_VMSGTU_VX = 0x78000057 | V_OPIVX, + OPC_VMSGT_VI = 0x7c000057 | V_OPIVI, + OPC_VMSGT_VX = 0x7c000057 | V_OPIVX, + + OPC_VSLL_VV = 0x94000057 | V_OPIVV, + OPC_VSLL_VI = 0x94000057 | V_OPIVI, + OPC_VSLL_VX = 0x94000057 | V_OPIVX, + OPC_VSRL_VV = 0xa0000057 | V_OPIVV, + OPC_VSRL_VI = 0xa0000057 | V_OPIVI, + OPC_VSRL_VX = 0xa0000057 | V_OPIVX, + OPC_VSRA_VV = 0xa4000057 | V_OPIVV, + OPC_VSRA_VI = 0xa4000057 | V_OPIVI, + OPC_VSRA_VX = 0xa4000057 | V_OPIVX, + + OPC_VMV_V_V = 0x5e000057 | V_OPIVV, + OPC_VMV_V_I = 0x5e000057 | V_OPIVI, + OPC_VMV_V_X = 0x5e000057 | V_OPIVX, + + OPC_VMVNR_V = 0x9e000057 | V_OPIVI, } RISCVInsn; +static const struct { + RISCVInsn op; + bool swap; +} tcg_cmpcond_to_rvv_vv[] = { + [TCG_COND_EQ] = { OPC_VMSEQ_VV, false }, + [TCG_COND_NE] = { OPC_VMSNE_VV, false }, + [TCG_COND_LT] = { OPC_VMSLT_VV, false }, + [TCG_COND_GE] = { OPC_VMSLE_VV, true }, + [TCG_COND_GT] = { OPC_VMSLT_VV, true }, + [TCG_COND_LE] = { OPC_VMSLE_VV, false }, + [TCG_COND_LTU] = { OPC_VMSLTU_VV, false }, + [TCG_COND_GEU] = { OPC_VMSLEU_VV, true }, + [TCG_COND_GTU] = { OPC_VMSLTU_VV, true }, + [TCG_COND_LEU] = { OPC_VMSLEU_VV, false } +}; + +static const struct { + RISCVInsn op; + int min; + int max; + bool adjust; +} tcg_cmpcond_to_rvv_vi[] = { + [TCG_COND_EQ] = { OPC_VMSEQ_VI, -16, 15, false }, + [TCG_COND_NE] = { OPC_VMSNE_VI, -16, 15, false }, + [TCG_COND_GT] = { OPC_VMSGT_VI, -16, 15, false }, + [TCG_COND_LE] = { OPC_VMSLE_VI, -16, 15, false }, + [TCG_COND_LT] = { OPC_VMSLE_VI, -15, 16, true }, + [TCG_COND_GE] = { OPC_VMSGT_VI, -15, 16, true }, + [TCG_COND_LEU] = { OPC_VMSLEU_VI, 0, 15, false }, + [TCG_COND_GTU] = { OPC_VMSGTU_VI, 0, 15, false }, + [TCG_COND_LTU] = { OPC_VMSLEU_VI, 1, 16, true }, + [TCG_COND_GEU] = { OPC_VMSGTU_VI, 1, 16, true }, +}; + +/* test if a constant matches the constraint */ +static bool tcg_target_const_match(int64_t val, int ct, + TCGType type, TCGCond cond, int vece) +{ + if (ct & TCG_CT_CONST) { + return 1; + } + if (type >= TCG_TYPE_V64) { + /* Val is replicated by VECE; extract the highest element. */ + val >>= (-8 << vece) & 63; + } + /* + * Sign extended from 12 bits: [-0x800, 0x7ff]. + * Used for most arithmetic, as this is the isa field. + */ + if ((ct & TCG_CT_CONST_S12) && val >= -0x800 && val <= 0x7ff) { + return 1; + } + /* + * Sign extended from 12 bits, +/- matching: [-0x7ff, 0x7ff]. + * Used by movcond, which may need the negative value, + * and requires the modified constant to be representable. + */ + if ((ct & TCG_CT_CONST_M12) && val >= -0x7ff && val <= 0x7ff) { + return 1; + } + /* + * Sign extended from 5 bits: [-0x10, 0x0f]. + * Used for vector-immediate. + */ + if ((ct & TCG_CT_CONST_S5) && val >= -0x10 && val <= 0x0f) { + return 1; + } + /* + * Used for vector compare OPIVI instructions. + */ + if ((ct & TCG_CT_CONST_CMP_VI) && + val >= tcg_cmpcond_to_rvv_vi[cond].min && + val <= tcg_cmpcond_to_rvv_vi[cond].max) { + return true; + } + return 0; +} + /* * RISC-V immediate and instruction encoders (excludes 16-bit RVC) */ @@ -377,6 +515,45 @@ static int32_t encode_uj(RISCVInsn opc, TCGReg rd, uint32_t imm) return opc | (rd & 0x1f) << 7 | encode_ujimm20(imm); } + +/* Type-OPIVI */ + +static int32_t encode_vi(RISCVInsn opc, TCGReg rd, int32_t imm, + TCGReg vs2, bool vm) +{ + return opc | (rd & 0x1f) << 7 | (imm & 0x1f) << 15 | + (vs2 & 0x1f) << 20 | (vm << 25); +} + +/* Type-OPIVV/OPMVV/OPIVX/OPMVX, Vector load and store */ + +static int32_t encode_v(RISCVInsn opc, TCGReg d, TCGReg s1, + TCGReg s2, bool vm) +{ + return opc | (d & 0x1f) << 7 | (s1 & 0x1f) << 15 | + (s2 & 0x1f) << 20 | (vm << 25); +} + +/* Vector vtype */ + +static uint32_t encode_vtype(bool vta, bool vma, + MemOp vsew, RISCVVlmul vlmul) +{ + return vma << 7 | vta << 6 | vsew << 3 | vlmul; +} + +static int32_t encode_vset(RISCVInsn opc, TCGReg rd, + TCGArg rs1, uint32_t vtype) +{ + return opc | (rd & 0x1f) << 7 | (rs1 & 0x1f) << 15 | (vtype & 0x7ff) << 20; +} + +static int32_t encode_vseti(RISCVInsn opc, TCGReg rd, + uint32_t uimm, uint32_t vtype) +{ + return opc | (rd & 0x1f) << 7 | (uimm & 0x1f) << 15 | (vtype & 0x3ff) << 20; +} + /* * RISC-V instruction emitters */ @@ -490,6 +667,91 @@ static bool patch_reloc(tcg_insn_unit *code_ptr, int type, } /* + * RISC-V vector instruction emitters + */ + +/* + * Vector registers uses the same 5 lower bits as GPR registers, + * and vm=0 (vm = false) means vector masking ENABLED. + * With RVV 1.0, vs2 is the first operand, while rs1/imm is the + * second operand. + */ +static void tcg_out_opc_vv(TCGContext *s, RISCVInsn opc, + TCGReg vd, TCGReg vs2, TCGReg vs1) +{ + tcg_out32(s, encode_v(opc, vd, vs1, vs2, true)); +} + +static void tcg_out_opc_vx(TCGContext *s, RISCVInsn opc, + TCGReg vd, TCGReg vs2, TCGReg rs1) +{ + tcg_out32(s, encode_v(opc, vd, rs1, vs2, true)); +} + +static void tcg_out_opc_vi(TCGContext *s, RISCVInsn opc, + TCGReg vd, TCGReg vs2, int32_t imm) +{ + tcg_out32(s, encode_vi(opc, vd, imm, vs2, true)); +} + +static void tcg_out_opc_vv_vi(TCGContext *s, RISCVInsn o_vv, RISCVInsn o_vi, + TCGReg vd, TCGReg vs2, TCGArg vi1, int c_vi1) +{ + if (c_vi1) { + tcg_out_opc_vi(s, o_vi, vd, vs2, vi1); + } else { + tcg_out_opc_vv(s, o_vv, vd, vs2, vi1); + } +} + +static void tcg_out_opc_vim_mask(TCGContext *s, RISCVInsn opc, TCGReg vd, + TCGReg vs2, int32_t imm) +{ + tcg_out32(s, encode_vi(opc, vd, imm, vs2, false)); +} + +static void tcg_out_opc_vvm_mask(TCGContext *s, RISCVInsn opc, TCGReg vd, + TCGReg vs2, TCGReg vs1) +{ + tcg_out32(s, encode_v(opc, vd, vs1, vs2, false)); +} + +typedef struct VsetCache { + uint32_t movi_insn; + uint32_t vset_insn; +} VsetCache; + +static VsetCache riscv_vset_cache[3][4]; + +static void set_vtype(TCGContext *s, TCGType type, MemOp vsew) +{ + const VsetCache *p = &riscv_vset_cache[type - TCG_TYPE_V64][vsew]; + + s->riscv_cur_type = type; + s->riscv_cur_vsew = vsew; + + if (p->movi_insn) { + tcg_out32(s, p->movi_insn); + } + tcg_out32(s, p->vset_insn); +} + +static MemOp set_vtype_len(TCGContext *s, TCGType type) +{ + if (type != s->riscv_cur_type) { + set_vtype(s, type, MO_64); + } + return s->riscv_cur_vsew; +} + +static void set_vtype_len_sew(TCGContext *s, TCGType type, MemOp vsew) +{ + if (type != s->riscv_cur_type || vsew != s->riscv_cur_vsew) { + set_vtype(s, type, vsew); + } +} + +/* * TCG intrinsics */ @@ -503,6 +765,15 @@ static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) case TCG_TYPE_I64: tcg_out_opc_imm(s, OPC_ADDI, ret, arg, 0); break; + case TCG_TYPE_V64: + case TCG_TYPE_V128: + case TCG_TYPE_V256: + { + int lmul = type - riscv_lg2_vlenb; + int nf = 1 << MAX(lmul, 0); + tcg_out_opc_vi(s, OPC_VMVNR_V, ret, arg, nf - 1); + } + break; default: g_assert_not_reached(); } @@ -594,7 +865,7 @@ static void tcg_out_ext8u(TCGContext *s, TCGReg ret, TCGReg arg) static void tcg_out_ext16u(TCGContext *s, TCGReg ret, TCGReg arg) { - if (have_zbb) { + if (cpuinfo & CPUINFO_ZBB) { tcg_out_opc_reg(s, OPC_ZEXT_H, ret, arg, TCG_REG_ZERO); } else { tcg_out_opc_imm(s, OPC_SLLIW, ret, arg, 16); @@ -604,7 +875,7 @@ static void tcg_out_ext16u(TCGContext *s, TCGReg ret, TCGReg arg) static void tcg_out_ext32u(TCGContext *s, TCGReg ret, TCGReg arg) { - if (have_zba) { + if (cpuinfo & CPUINFO_ZBA) { tcg_out_opc_reg(s, OPC_ADD_UW, ret, arg, TCG_REG_ZERO); } else { tcg_out_opc_imm(s, OPC_SLLI, ret, arg, 32); @@ -614,7 +885,7 @@ static void tcg_out_ext32u(TCGContext *s, TCGReg ret, TCGReg arg) static void tcg_out_ext8s(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) { - if (have_zbb) { + if (cpuinfo & CPUINFO_ZBB) { tcg_out_opc_imm(s, OPC_SEXT_B, ret, arg, 0); } else { tcg_out_opc_imm(s, OPC_SLLIW, ret, arg, 24); @@ -624,7 +895,7 @@ static void tcg_out_ext8s(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) static void tcg_out_ext16s(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) { - if (have_zbb) { + if (cpuinfo & CPUINFO_ZBB) { tcg_out_opc_imm(s, OPC_SEXT_H, ret, arg, 0); } else { tcg_out_opc_imm(s, OPC_SLLIW, ret, arg, 16); @@ -695,18 +966,101 @@ static void tcg_out_ldst(TCGContext *s, RISCVInsn opc, TCGReg data, } } +static void tcg_out_vec_ldst(TCGContext *s, RISCVInsn opc, TCGReg data, + TCGReg addr, intptr_t offset) +{ + tcg_debug_assert(data >= TCG_REG_V0); + tcg_debug_assert(addr < TCG_REG_V0); + + if (offset) { + tcg_debug_assert(addr != TCG_REG_ZERO); + if (offset == sextreg(offset, 0, 12)) { + tcg_out_opc_imm(s, OPC_ADDI, TCG_REG_TMP0, addr, offset); + } else { + tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_TMP0, offset); + tcg_out_opc_reg(s, OPC_ADD, TCG_REG_TMP0, TCG_REG_TMP0, addr); + } + addr = TCG_REG_TMP0; + } + tcg_out32(s, encode_v(opc, data, addr, 0, true)); +} + static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg arg, TCGReg arg1, intptr_t arg2) { - RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_LW : OPC_LD; - tcg_out_ldst(s, insn, arg, arg1, arg2); + RISCVInsn insn; + + switch (type) { + case TCG_TYPE_I32: + tcg_out_ldst(s, OPC_LW, arg, arg1, arg2); + break; + case TCG_TYPE_I64: + tcg_out_ldst(s, OPC_LD, arg, arg1, arg2); + break; + case TCG_TYPE_V64: + case TCG_TYPE_V128: + case TCG_TYPE_V256: + if (type >= riscv_lg2_vlenb) { + static const RISCVInsn whole_reg_ld[] = { + OPC_VL1RE64_V, OPC_VL2RE64_V, OPC_VL4RE64_V, OPC_VL8RE64_V + }; + unsigned idx = type - riscv_lg2_vlenb; + + tcg_debug_assert(idx < ARRAY_SIZE(whole_reg_ld)); + insn = whole_reg_ld[idx]; + } else { + static const RISCVInsn unit_stride_ld[] = { + OPC_VLE8_V, OPC_VLE16_V, OPC_VLE32_V, OPC_VLE64_V + }; + MemOp prev_vsew = set_vtype_len(s, type); + + tcg_debug_assert(prev_vsew < ARRAY_SIZE(unit_stride_ld)); + insn = unit_stride_ld[prev_vsew]; + } + tcg_out_vec_ldst(s, insn, arg, arg1, arg2); + break; + default: + g_assert_not_reached(); + } } static void tcg_out_st(TCGContext *s, TCGType type, TCGReg arg, TCGReg arg1, intptr_t arg2) { - RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_SW : OPC_SD; - tcg_out_ldst(s, insn, arg, arg1, arg2); + RISCVInsn insn; + + switch (type) { + case TCG_TYPE_I32: + tcg_out_ldst(s, OPC_SW, arg, arg1, arg2); + break; + case TCG_TYPE_I64: + tcg_out_ldst(s, OPC_SD, arg, arg1, arg2); + break; + case TCG_TYPE_V64: + case TCG_TYPE_V128: + case TCG_TYPE_V256: + if (type >= riscv_lg2_vlenb) { + static const RISCVInsn whole_reg_st[] = { + OPC_VS1R_V, OPC_VS2R_V, OPC_VS4R_V, OPC_VS8R_V + }; + unsigned idx = type - riscv_lg2_vlenb; + + tcg_debug_assert(idx < ARRAY_SIZE(whole_reg_st)); + insn = whole_reg_st[idx]; + } else { + static const RISCVInsn unit_stride_st[] = { + OPC_VSE8_V, OPC_VSE16_V, OPC_VSE32_V, OPC_VSE64_V + }; + MemOp prev_vsew = set_vtype_len(s, type); + + tcg_debug_assert(prev_vsew < ARRAY_SIZE(unit_stride_st)); + insn = unit_stride_st[prev_vsew]; + } + tcg_out_vec_ldst(s, insn, arg, arg1, arg2); + break; + default: + g_assert_not_reached(); + } } static bool tcg_out_sti(TCGContext *s, TCGType type, TCGArg val, @@ -719,65 +1073,44 @@ static bool tcg_out_sti(TCGContext *s, TCGType type, TCGArg val, return false; } -static void tcg_out_addsub2(TCGContext *s, - TCGReg rl, TCGReg rh, - TCGReg al, TCGReg ah, - TCGArg bl, TCGArg bh, - bool cbl, bool cbh, bool is_sub, bool is32bit) +static bool tcg_out_dup_vec(TCGContext *s, TCGType type, unsigned vece, + TCGReg dst, TCGReg src) { - const RISCVInsn opc_add = is32bit ? OPC_ADDW : OPC_ADD; - const RISCVInsn opc_addi = is32bit ? OPC_ADDIW : OPC_ADDI; - const RISCVInsn opc_sub = is32bit ? OPC_SUBW : OPC_SUB; - TCGReg th = TCG_REG_TMP1; + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vx(s, OPC_VMV_V_X, dst, 0, src); + return true; +} - /* If we have a negative constant such that negating it would - make the high part zero, we can (usually) eliminate one insn. */ - if (cbl && cbh && bh == -1 && bl != 0) { - bl = -bl; - bh = 0; - is_sub = !is_sub; - } +static bool tcg_out_dupm_vec(TCGContext *s, TCGType type, unsigned vece, + TCGReg dst, TCGReg base, intptr_t offset) +{ + tcg_out_ld(s, TCG_TYPE_REG, TCG_REG_TMP0, base, offset); + return tcg_out_dup_vec(s, type, vece, dst, TCG_REG_TMP0); +} - /* By operating on the high part first, we get to use the final - carry operation to move back from the temporary. */ - if (!cbh) { - tcg_out_opc_reg(s, (is_sub ? opc_sub : opc_add), th, ah, bh); - } else if (bh != 0 || ah == rl) { - tcg_out_opc_imm(s, opc_addi, th, ah, (is_sub ? -bh : bh)); - } else { - th = ah; - } +static void tcg_out_dupi_vec(TCGContext *s, TCGType type, unsigned vece, + TCGReg dst, int64_t arg) +{ + /* Arg is replicated by VECE; extract the highest element. */ + arg >>= (-8 << vece) & 63; - /* Note that tcg optimization should eliminate the bl == 0 case. */ - if (is_sub) { - if (cbl) { - tcg_out_opc_imm(s, OPC_SLTIU, TCG_REG_TMP0, al, bl); - tcg_out_opc_imm(s, opc_addi, rl, al, -bl); + if (arg >= -16 && arg < 16) { + if (arg == 0 || arg == -1) { + set_vtype_len(s, type); } else { - tcg_out_opc_reg(s, OPC_SLTU, TCG_REG_TMP0, al, bl); - tcg_out_opc_reg(s, opc_sub, rl, al, bl); + set_vtype_len_sew(s, type, vece); } - tcg_out_opc_reg(s, opc_sub, rh, th, TCG_REG_TMP0); - } else { - if (cbl) { - tcg_out_opc_imm(s, opc_addi, rl, al, bl); - tcg_out_opc_imm(s, OPC_SLTIU, TCG_REG_TMP0, rl, bl); - } else if (al == bl) { - /* - * If the input regs overlap, this is a simple doubling - * and carry-out is the input msb. This special case is - * required when the output reg overlaps the input, - * but we might as well use it always. - */ - tcg_out_opc_imm(s, OPC_SLTI, TCG_REG_TMP0, al, 0); - tcg_out_opc_reg(s, opc_add, rl, al, al); - } else { - tcg_out_opc_reg(s, opc_add, rl, al, bl); - tcg_out_opc_reg(s, OPC_SLTU, TCG_REG_TMP0, - rl, (rl == bl ? al : bl)); - } - tcg_out_opc_reg(s, opc_add, rh, th, TCG_REG_TMP0); + tcg_out_opc_vi(s, OPC_VMV_V_I, dst, 0, arg); + return; } + tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_TMP0, arg); + tcg_out_dup_vec(s, type, vece, dst, TCG_REG_TMP0); +} + +static void tcg_out_br(TCGContext *s, TCGLabel *l) +{ + tcg_out_reloc(s, s->code_ptr, R_RISCV_JAL, l, 0); + tcg_out_opc_jump(s, OPC_JAL, TCG_REG_ZERO, 0); } static const struct { @@ -796,8 +1129,8 @@ static const struct { [TCG_COND_GTU] = { OPC_BLTU, true } }; -static void tcg_out_brcond(TCGContext *s, TCGCond cond, TCGReg arg1, - TCGReg arg2, TCGLabel *l) +static void tgen_brcond(TCGContext *s, TCGType type, TCGCond cond, + TCGReg arg1, TCGReg arg2, TCGLabel *l) { RISCVInsn op = tcg_brcond_to_riscv[cond].op; @@ -813,6 +1146,11 @@ static void tcg_out_brcond(TCGContext *s, TCGCond cond, TCGReg arg1, tcg_out_opc_branch(s, op, arg1, arg2, 0); } +static const TCGOutOpBrcond outop_brcond = { + .base.static_constraint = C_O0_I2(r, rz), + .out_rr = tgen_brcond, +}; + #define SETCOND_INV TCG_TARGET_NB_REGS #define SETCOND_NEZ (SETCOND_INV << 1) #define SETCOND_FLAGS (SETCOND_INV | SETCOND_NEZ) @@ -937,6 +1275,24 @@ static void tcg_out_setcond(TCGContext *s, TCGCond cond, TCGReg ret, } } +static void tgen_setcond(TCGContext *s, TCGType type, TCGCond cond, + TCGReg dest, TCGReg arg1, TCGReg arg2) +{ + tcg_out_setcond(s, cond, dest, arg1, arg2, false); +} + +static void tgen_setcondi(TCGContext *s, TCGType type, TCGCond cond, + TCGReg dest, TCGReg arg1, tcg_target_long arg2) +{ + tcg_out_setcond(s, cond, dest, arg1, arg2, true); +} + +static const TCGOutOpSetcond outop_setcond = { + .base.static_constraint = C_O1_I2(r, r, rI), + .out_rrr = tgen_setcond, + .out_rri = tgen_setcondi, +}; + static void tcg_out_negsetcond(TCGContext *s, TCGCond cond, TCGReg ret, TCGReg arg1, tcg_target_long arg2, bool c2) { @@ -975,6 +1331,24 @@ static void tcg_out_negsetcond(TCGContext *s, TCGCond cond, TCGReg ret, } } +static void tgen_negsetcond(TCGContext *s, TCGType type, TCGCond cond, + TCGReg dest, TCGReg arg1, TCGReg arg2) +{ + tcg_out_negsetcond(s, cond, dest, arg1, arg2, false); +} + +static void tgen_negsetcondi(TCGContext *s, TCGType type, TCGCond cond, + TCGReg dest, TCGReg arg1, tcg_target_long arg2) +{ + tcg_out_negsetcond(s, cond, dest, arg1, arg2, true); +} + +static const TCGOutOpSetcond outop_negsetcond = { + .base.static_constraint = C_O1_I2(r, r, rI), + .out_rrr = tgen_negsetcond, + .out_rri = tgen_negsetcondi, +}; + static void tcg_out_movcond_zicond(TCGContext *s, TCGReg ret, TCGReg test_ne, int val1, bool c_val1, int val2, bool c_val2) @@ -1072,15 +1446,15 @@ static void tcg_out_movcond_br2(TCGContext *s, TCGCond cond, TCGReg ret, tcg_out_mov(s, TCG_TYPE_REG, ret, tmp); } -static void tcg_out_movcond(TCGContext *s, TCGCond cond, TCGReg ret, - TCGReg cmp1, int cmp2, bool c_cmp2, - TCGReg val1, bool c_val1, - TCGReg val2, bool c_val2) +static void tcg_out_movcond(TCGContext *s, TCGType type, TCGCond cond, + TCGReg ret, TCGReg cmp1, TCGArg cmp2, bool c_cmp2, + TCGArg val1, bool c_val1, + TCGArg val2, bool c_val2) { int tmpflags; TCGReg t; - if (!have_zicond && (!c_cmp2 || cmp2 == 0)) { + if (!(cpuinfo & CPUINFO_ZICOND) && (!c_cmp2 || cmp2 == 0)) { tcg_out_movcond_br2(s, cond, ret, cmp1, cmp2, val1, c_val1, val2, c_val2); return; @@ -1089,7 +1463,7 @@ static void tcg_out_movcond(TCGContext *s, TCGCond cond, TCGReg ret, tmpflags = tcg_out_setcond_int(s, cond, TCG_REG_TMP0, cmp1, cmp2, c_cmp2); t = tmpflags & ~SETCOND_FLAGS; - if (have_zicond) { + if (cpuinfo & CPUINFO_ZICOND) { if (tmpflags & SETCOND_INV) { tcg_out_movcond_zicond(s, ret, t, val2, c_val2, val1, c_val1); } else { @@ -1102,6 +1476,11 @@ static void tcg_out_movcond(TCGContext *s, TCGCond cond, TCGReg ret, } } +static const TCGOutOpMovcond outop_movcond = { + .base.static_constraint = C_O1_I4(r, r, rI, rM, rM), + .out = tcg_out_movcond, +}; + static void tcg_out_cltz(TCGContext *s, TCGType type, RISCVInsn insn, TCGReg ret, TCGReg src1, int src2, bool c_src2) { @@ -1113,17 +1492,77 @@ static void tcg_out_cltz(TCGContext *s, TCGType type, RISCVInsn insn, * Note that constraints put 'ret' in a new register, so the * computation above did not clobber either 'src1' or 'src2'. */ - tcg_out_movcond(s, TCG_COND_EQ, ret, src1, 0, true, + tcg_out_movcond(s, type, TCG_COND_EQ, ret, src1, 0, true, src2, c_src2, ret, false); } } +static void tcg_out_cmpsel(TCGContext *s, TCGType type, unsigned vece, + TCGCond cond, TCGReg ret, + TCGReg cmp1, TCGReg cmp2, bool c_cmp2, + TCGReg val1, bool c_val1, + TCGReg val2, bool c_val2) +{ + set_vtype_len_sew(s, type, vece); + + /* Use only vmerge_vim if possible, by inverting the test. */ + if (c_val2 && !c_val1) { + TCGArg temp = val1; + cond = tcg_invert_cond(cond); + val1 = val2; + val2 = temp; + c_val1 = true; + c_val2 = false; + } + + /* Perform the comparison into V0 mask. */ + if (c_cmp2) { + tcg_out_opc_vi(s, tcg_cmpcond_to_rvv_vi[cond].op, TCG_REG_V0, cmp1, + cmp2 - tcg_cmpcond_to_rvv_vi[cond].adjust); + } else if (tcg_cmpcond_to_rvv_vv[cond].swap) { + tcg_out_opc_vv(s, tcg_cmpcond_to_rvv_vv[cond].op, + TCG_REG_V0, cmp2, cmp1); + } else { + tcg_out_opc_vv(s, tcg_cmpcond_to_rvv_vv[cond].op, + TCG_REG_V0, cmp1, cmp2); + } + if (c_val1) { + if (c_val2) { + tcg_out_opc_vi(s, OPC_VMV_V_I, ret, 0, val2); + val2 = ret; + } + /* vd[i] == v0.mask[i] ? imm : vs2[i] */ + tcg_out_opc_vim_mask(s, OPC_VMERGE_VIM, ret, val2, val1); + } else { + /* vd[i] == v0.mask[i] ? vs1[i] : vs2[i] */ + tcg_out_opc_vvm_mask(s, OPC_VMERGE_VVM, ret, val2, val1); + } +} + +static void tcg_out_vshifti(TCGContext *s, RISCVInsn opc_vi, RISCVInsn opc_vx, + TCGReg dst, TCGReg src, unsigned imm) +{ + if (imm < 32) { + tcg_out_opc_vi(s, opc_vi, dst, src, imm); + } else { + tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_TMP0, imm); + tcg_out_opc_vx(s, opc_vx, dst, src, TCG_REG_TMP0); + } +} + +static void init_setting_vtype(TCGContext *s) +{ + s->riscv_cur_type = TCG_TYPE_COUNT; +} + static void tcg_out_call_int(TCGContext *s, const tcg_insn_unit *arg, bool tail) { TCGReg link = tail ? TCG_REG_ZERO : TCG_REG_RA; ptrdiff_t offset = tcg_pcrel_diff(s, arg); int ret; + init_setting_vtype(s); + tcg_debug_assert((offset & 1) == 0); if (offset == sextreg(offset, 0, 20)) { /* short jump: -2097150 to 2097152 */ @@ -1149,7 +1588,7 @@ static void tcg_out_call(TCGContext *s, const tcg_insn_unit *arg, tcg_out_call_int(s, arg, false); } -static void tcg_out_mb(TCGContext *s, TCGArg a0) +static void tcg_out_mb(TCGContext *s, unsigned a0) { tcg_insn_unit insn = OPC_FENCE; @@ -1163,7 +1602,7 @@ static void tcg_out_mb(TCGContext *s, TCGArg a0) insn |= 0x02100000; } if (a0 & TCG_MO_ST_ST) { - insn |= 0x02200000; + insn |= 0x01100000; } tcg_out32(s, insn); } @@ -1259,13 +1698,15 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, TCGReg *pbase, ldst = new_ldst_label(s); ldst->is_ld = is_ld; ldst->oi = oi; - ldst->addrlo_reg = addr_reg; + ldst->addr_reg = addr_reg; + + init_setting_vtype(s); tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_TMP0, TCG_AREG0, mask_ofs); tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_TMP1, TCG_AREG0, table_ofs); tcg_out_opc_imm(s, OPC_SRLI, TCG_REG_TMP2, addr_reg, - s->page_bits - CPU_TLB_ENTRY_BITS); + TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS); tcg_out_opc_reg(s, OPC_AND, TCG_REG_TMP2, TCG_REG_TMP2, TCG_REG_TMP0); tcg_out_opc_reg(s, OPC_ADD, TCG_REG_TMP2, TCG_REG_TMP2, TCG_REG_TMP1); @@ -1281,7 +1722,7 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, TCGReg *pbase, tcg_out_opc_imm(s, addr_type == TCG_TYPE_I32 ? OPC_ADDIW : OPC_ADDI, addr_adj, addr_reg, s_mask - a_mask); } - compare_mask = s->page_mask | a_mask; + compare_mask = TARGET_PAGE_MASK | a_mask; if (compare_mask == sextreg(compare_mask, 0, 12)) { tcg_out_opc_imm(s, OPC_ANDI, TCG_REG_TMP1, addr_adj, compare_mask); } else { @@ -1304,7 +1745,7 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, TCGReg *pbase, /* TLB Hit - translate address using addend. */ if (addr_type != TCG_TYPE_I32) { tcg_out_opc_reg(s, OPC_ADD, TCG_REG_TMP0, addr_reg, TCG_REG_TMP2); - } else if (have_zba) { + } else if (cpuinfo & CPUINFO_ZBA) { tcg_out_opc_reg(s, OPC_ADD_UW, TCG_REG_TMP0, addr_reg, TCG_REG_TMP2); } else { @@ -1320,7 +1761,9 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, TCGReg *pbase, ldst = new_ldst_label(s); ldst->is_ld = is_ld; ldst->oi = oi; - ldst->addrlo_reg = addr_reg; + ldst->addr_reg = addr_reg; + + init_setting_vtype(s); /* We are expecting alignment max 7, so we can always use andi. */ tcg_debug_assert(a_mask == sextreg(a_mask, 0, 12)); @@ -1335,7 +1778,7 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, TCGReg *pbase, if (addr_type != TCG_TYPE_I32) { tcg_out_opc_reg(s, OPC_ADD, base, addr_reg, TCG_GUEST_BASE_REG); - } else if (have_zba) { + } else if (cpuinfo & CPUINFO_ZBA) { tcg_out_opc_reg(s, OPC_ADD_UW, base, addr_reg, TCG_GUEST_BASE_REG); } else { @@ -1390,22 +1833,31 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, TCGReg val, } } -static void tcg_out_qemu_ld(TCGContext *s, TCGReg data_reg, TCGReg addr_reg, - MemOpIdx oi, TCGType data_type) +static void tgen_qemu_ld(TCGContext *s, TCGType type, TCGReg data_reg, + TCGReg addr_reg, MemOpIdx oi) { TCGLabelQemuLdst *ldst; TCGReg base; ldst = prepare_host_addr(s, &base, addr_reg, oi, true); - tcg_out_qemu_ld_direct(s, data_reg, base, get_memop(oi), data_type); + tcg_out_qemu_ld_direct(s, data_reg, base, get_memop(oi), type); if (ldst) { - ldst->type = data_type; + ldst->type = type; ldst->datalo_reg = data_reg; ldst->raddr = tcg_splitwx_to_rx(s->code_ptr); } } +static const TCGOutOpQemuLdSt outop_qemu_ld = { + .base.static_constraint = C_O1_I1(r, r), + .out = tgen_qemu_ld, +}; + +static const TCGOutOpQemuLdSt2 outop_qemu_ld2 = { + .base.static_constraint = C_NotImplemented, +}; + static void tcg_out_qemu_st_direct(TCGContext *s, TCGReg val, TCGReg base, MemOp opc) { @@ -1430,8 +1882,8 @@ static void tcg_out_qemu_st_direct(TCGContext *s, TCGReg val, } } -static void tcg_out_qemu_st(TCGContext *s, TCGReg data_reg, TCGReg addr_reg, - MemOpIdx oi, TCGType data_type) +static void tgen_qemu_st(TCGContext *s, TCGType type, TCGReg data_reg, + TCGReg addr_reg, MemOpIdx oi) { TCGLabelQemuLdst *ldst; TCGReg base; @@ -1440,12 +1892,21 @@ static void tcg_out_qemu_st(TCGContext *s, TCGReg data_reg, TCGReg addr_reg, tcg_out_qemu_st_direct(s, data_reg, base, get_memop(oi)); if (ldst) { - ldst->type = data_type; + ldst->type = type; ldst->datalo_reg = data_reg; ldst->raddr = tcg_splitwx_to_rx(s->code_ptr); } } +static const TCGOutOpQemuLdSt outop_qemu_st = { + .base.static_constraint = C_O0_I2(rz, r), + .out = tgen_qemu_st, +}; + +static const TCGOutOpQemuLdSt2 outop_qemu_st2 = { + .base.static_constraint = C_NotImplemented, +}; + static const tcg_insn_unit *tb_ret_addr; static void tcg_out_exit_tb(TCGContext *s, uintptr_t a0) @@ -1472,6 +1933,11 @@ static void tcg_out_goto_tb(TCGContext *s, int which) set_jmp_reset_offset(s, which); } +static void tcg_out_goto_ptr(TCGContext *s, TCGReg a0) +{ + tcg_out_opc_imm(s, OPC_JALR, TCG_REG_ZERO, a0, 0); +} + void tb_target_set_jmp_target(const TranslationBlock *tb, int n, uintptr_t jmp_rx, uintptr_t jmp_rw) { @@ -1489,553 +1955,960 @@ void tb_target_set_jmp_target(const TranslationBlock *tb, int n, flush_idcache_range(jmp_rx, jmp_rw, 4); } -static void tcg_out_op(TCGContext *s, TCGOpcode opc, - const TCGArg args[TCG_MAX_OP_ARGS], - const int const_args[TCG_MAX_OP_ARGS]) + +static void tgen_add(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) { - TCGArg a0 = args[0]; - TCGArg a1 = args[1]; - TCGArg a2 = args[2]; - int c2 = const_args[2]; + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_ADDW : OPC_ADD; + tcg_out_opc_reg(s, insn, a0, a1, a2); +} - switch (opc) { - case INDEX_op_goto_ptr: - tcg_out_opc_imm(s, OPC_JALR, TCG_REG_ZERO, a0, 0); - break; +static void tgen_addi(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, tcg_target_long a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_ADDIW : OPC_ADDI; + tcg_out_opc_imm(s, insn, a0, a1, a2); +} - case INDEX_op_br: - tcg_out_reloc(s, s->code_ptr, R_RISCV_JAL, arg_label(a0), 0); - tcg_out_opc_jump(s, OPC_JAL, TCG_REG_ZERO, 0); - break; +static const TCGOutOpBinary outop_add = { + .base.static_constraint = C_O1_I2(r, r, rI), + .out_rrr = tgen_add, + .out_rri = tgen_addi, +}; - case INDEX_op_ld8u_i32: - case INDEX_op_ld8u_i64: - tcg_out_ldst(s, OPC_LBU, a0, a1, a2); - break; - case INDEX_op_ld8s_i32: - case INDEX_op_ld8s_i64: - tcg_out_ldst(s, OPC_LB, a0, a1, a2); - break; - case INDEX_op_ld16u_i32: - case INDEX_op_ld16u_i64: - tcg_out_ldst(s, OPC_LHU, a0, a1, a2); - break; - case INDEX_op_ld16s_i32: - case INDEX_op_ld16s_i64: - tcg_out_ldst(s, OPC_LH, a0, a1, a2); - break; - case INDEX_op_ld32u_i64: - tcg_out_ldst(s, OPC_LWU, a0, a1, a2); - break; - case INDEX_op_ld_i32: - case INDEX_op_ld32s_i64: - tcg_out_ldst(s, OPC_LW, a0, a1, a2); - break; - case INDEX_op_ld_i64: - tcg_out_ldst(s, OPC_LD, a0, a1, a2); - break; +static const TCGOutOpBinary outop_addco = { + .base.static_constraint = C_NotImplemented, +}; - case INDEX_op_st8_i32: - case INDEX_op_st8_i64: - tcg_out_ldst(s, OPC_SB, a0, a1, a2); - break; - case INDEX_op_st16_i32: - case INDEX_op_st16_i64: - tcg_out_ldst(s, OPC_SH, a0, a1, a2); - break; - case INDEX_op_st_i32: - case INDEX_op_st32_i64: - tcg_out_ldst(s, OPC_SW, a0, a1, a2); - break; - case INDEX_op_st_i64: - tcg_out_ldst(s, OPC_SD, a0, a1, a2); - break; +static const TCGOutOpAddSubCarry outop_addci = { + .base.static_constraint = C_NotImplemented, +}; - case INDEX_op_add_i32: - if (c2) { - tcg_out_opc_imm(s, OPC_ADDIW, a0, a1, a2); - } else { - tcg_out_opc_reg(s, OPC_ADDW, a0, a1, a2); - } - break; - case INDEX_op_add_i64: - if (c2) { - tcg_out_opc_imm(s, OPC_ADDI, a0, a1, a2); - } else { - tcg_out_opc_reg(s, OPC_ADD, a0, a1, a2); - } - break; +static const TCGOutOpBinary outop_addcio = { + .base.static_constraint = C_NotImplemented, +}; - case INDEX_op_sub_i32: - if (c2) { - tcg_out_opc_imm(s, OPC_ADDIW, a0, a1, -a2); - } else { - tcg_out_opc_reg(s, OPC_SUBW, a0, a1, a2); - } - break; - case INDEX_op_sub_i64: - if (c2) { - tcg_out_opc_imm(s, OPC_ADDI, a0, a1, -a2); - } else { - tcg_out_opc_reg(s, OPC_SUB, a0, a1, a2); - } - break; +static void tcg_out_set_carry(TCGContext *s) +{ + g_assert_not_reached(); +} - case INDEX_op_and_i32: - case INDEX_op_and_i64: - if (c2) { - tcg_out_opc_imm(s, OPC_ANDI, a0, a1, a2); - } else { - tcg_out_opc_reg(s, OPC_AND, a0, a1, a2); - } - break; +static void tgen_and(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + tcg_out_opc_reg(s, OPC_AND, a0, a1, a2); +} - case INDEX_op_or_i32: - case INDEX_op_or_i64: - if (c2) { - tcg_out_opc_imm(s, OPC_ORI, a0, a1, a2); - } else { - tcg_out_opc_reg(s, OPC_OR, a0, a1, a2); - } - break; +static void tgen_andi(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, tcg_target_long a2) +{ + tcg_out_opc_imm(s, OPC_ANDI, a0, a1, a2); +} - case INDEX_op_xor_i32: - case INDEX_op_xor_i64: - if (c2) { - tcg_out_opc_imm(s, OPC_XORI, a0, a1, a2); - } else { - tcg_out_opc_reg(s, OPC_XOR, a0, a1, a2); - } - break; +static const TCGOutOpBinary outop_and = { + .base.static_constraint = C_O1_I2(r, r, rI), + .out_rrr = tgen_and, + .out_rri = tgen_andi, +}; - case INDEX_op_andc_i32: - case INDEX_op_andc_i64: - if (c2) { - tcg_out_opc_imm(s, OPC_ANDI, a0, a1, ~a2); - } else { - tcg_out_opc_reg(s, OPC_ANDN, a0, a1, a2); - } - break; - case INDEX_op_orc_i32: - case INDEX_op_orc_i64: - if (c2) { - tcg_out_opc_imm(s, OPC_ORI, a0, a1, ~a2); - } else { - tcg_out_opc_reg(s, OPC_ORN, a0, a1, a2); - } - break; - case INDEX_op_eqv_i32: - case INDEX_op_eqv_i64: - if (c2) { - tcg_out_opc_imm(s, OPC_XORI, a0, a1, ~a2); - } else { - tcg_out_opc_reg(s, OPC_XNOR, a0, a1, a2); - } - break; +static void tgen_andc(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + tcg_out_opc_reg(s, OPC_ANDN, a0, a1, a2); +} - case INDEX_op_not_i32: - case INDEX_op_not_i64: - tcg_out_opc_imm(s, OPC_XORI, a0, a1, -1); - break; +static TCGConstraintSetIndex cset_zbb_rrr(TCGType type, unsigned flags) +{ + return cpuinfo & CPUINFO_ZBB ? C_O1_I2(r, r, r) : C_NotImplemented; +} - case INDEX_op_neg_i32: - tcg_out_opc_reg(s, OPC_SUBW, a0, TCG_REG_ZERO, a1); - break; - case INDEX_op_neg_i64: - tcg_out_opc_reg(s, OPC_SUB, a0, TCG_REG_ZERO, a1); - break; +static const TCGOutOpBinary outop_andc = { + .base.static_constraint = C_Dynamic, + .base.dynamic_constraint = cset_zbb_rrr, + .out_rrr = tgen_andc, +}; - case INDEX_op_mul_i32: - tcg_out_opc_reg(s, OPC_MULW, a0, a1, a2); - break; - case INDEX_op_mul_i64: - tcg_out_opc_reg(s, OPC_MUL, a0, a1, a2); - break; +static void tgen_clz(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_CLZW : OPC_CLZ; + tcg_out_cltz(s, type, insn, a0, a1, a2, false); +} - case INDEX_op_div_i32: - tcg_out_opc_reg(s, OPC_DIVW, a0, a1, a2); - break; - case INDEX_op_div_i64: - tcg_out_opc_reg(s, OPC_DIV, a0, a1, a2); - break; +static void tgen_clzi(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, tcg_target_long a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_CLZW : OPC_CLZ; + tcg_out_cltz(s, type, insn, a0, a1, a2, true); +} - case INDEX_op_divu_i32: - tcg_out_opc_reg(s, OPC_DIVUW, a0, a1, a2); - break; - case INDEX_op_divu_i64: - tcg_out_opc_reg(s, OPC_DIVU, a0, a1, a2); - break; +static TCGConstraintSetIndex cset_clzctz(TCGType type, unsigned flags) +{ + return cpuinfo & CPUINFO_ZBB ? C_N1_I2(r, r, rM) : C_NotImplemented; +} - case INDEX_op_rem_i32: - tcg_out_opc_reg(s, OPC_REMW, a0, a1, a2); - break; - case INDEX_op_rem_i64: - tcg_out_opc_reg(s, OPC_REM, a0, a1, a2); - break; +static const TCGOutOpBinary outop_clz = { + .base.static_constraint = C_Dynamic, + .base.dynamic_constraint = cset_clzctz, + .out_rrr = tgen_clz, + .out_rri = tgen_clzi, +}; - case INDEX_op_remu_i32: - tcg_out_opc_reg(s, OPC_REMUW, a0, a1, a2); - break; - case INDEX_op_remu_i64: - tcg_out_opc_reg(s, OPC_REMU, a0, a1, a2); - break; +static void tgen_ctpop(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_CPOPW : OPC_CPOP; + tcg_out_opc_imm(s, insn, a0, a1, 0); +} - case INDEX_op_shl_i32: - if (c2) { - tcg_out_opc_imm(s, OPC_SLLIW, a0, a1, a2 & 0x1f); - } else { - tcg_out_opc_reg(s, OPC_SLLW, a0, a1, a2); - } - break; - case INDEX_op_shl_i64: - if (c2) { - tcg_out_opc_imm(s, OPC_SLLI, a0, a1, a2 & 0x3f); - } else { - tcg_out_opc_reg(s, OPC_SLL, a0, a1, a2); - } - break; +static TCGConstraintSetIndex cset_ctpop(TCGType type, unsigned flags) +{ + return cpuinfo & CPUINFO_ZBB ? C_O1_I1(r, r) : C_NotImplemented; +} - case INDEX_op_shr_i32: - if (c2) { - tcg_out_opc_imm(s, OPC_SRLIW, a0, a1, a2 & 0x1f); - } else { - tcg_out_opc_reg(s, OPC_SRLW, a0, a1, a2); - } - break; - case INDEX_op_shr_i64: - if (c2) { - tcg_out_opc_imm(s, OPC_SRLI, a0, a1, a2 & 0x3f); - } else { - tcg_out_opc_reg(s, OPC_SRL, a0, a1, a2); - } - break; +static const TCGOutOpUnary outop_ctpop = { + .base.static_constraint = C_Dynamic, + .base.dynamic_constraint = cset_ctpop, + .out_rr = tgen_ctpop, +}; - case INDEX_op_sar_i32: - if (c2) { - tcg_out_opc_imm(s, OPC_SRAIW, a0, a1, a2 & 0x1f); - } else { - tcg_out_opc_reg(s, OPC_SRAW, a0, a1, a2); - } - break; - case INDEX_op_sar_i64: - if (c2) { - tcg_out_opc_imm(s, OPC_SRAI, a0, a1, a2 & 0x3f); - } else { - tcg_out_opc_reg(s, OPC_SRA, a0, a1, a2); - } - break; +static void tgen_ctz(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_CTZW : OPC_CTZ; + tcg_out_cltz(s, type, insn, a0, a1, a2, false); +} - case INDEX_op_rotl_i32: - if (c2) { - tcg_out_opc_imm(s, OPC_RORIW, a0, a1, -a2 & 0x1f); - } else { - tcg_out_opc_reg(s, OPC_ROLW, a0, a1, a2); - } - break; - case INDEX_op_rotl_i64: - if (c2) { - tcg_out_opc_imm(s, OPC_RORI, a0, a1, -a2 & 0x3f); - } else { - tcg_out_opc_reg(s, OPC_ROL, a0, a1, a2); - } - break; +static void tgen_ctzi(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, tcg_target_long a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_CTZW : OPC_CTZ; + tcg_out_cltz(s, type, insn, a0, a1, a2, true); +} - case INDEX_op_rotr_i32: - if (c2) { - tcg_out_opc_imm(s, OPC_RORIW, a0, a1, a2 & 0x1f); - } else { - tcg_out_opc_reg(s, OPC_RORW, a0, a1, a2); - } - break; - case INDEX_op_rotr_i64: - if (c2) { - tcg_out_opc_imm(s, OPC_RORI, a0, a1, a2 & 0x3f); - } else { - tcg_out_opc_reg(s, OPC_ROR, a0, a1, a2); - } - break; +static const TCGOutOpBinary outop_ctz = { + .base.static_constraint = C_Dynamic, + .base.dynamic_constraint = cset_clzctz, + .out_rrr = tgen_ctz, + .out_rri = tgen_ctzi, +}; - case INDEX_op_bswap64_i64: - tcg_out_opc_imm(s, OPC_REV8, a0, a1, 0); - break; - case INDEX_op_bswap32_i32: - a2 = 0; - /* fall through */ - case INDEX_op_bswap32_i64: - tcg_out_opc_imm(s, OPC_REV8, a0, a1, 0); - if (a2 & TCG_BSWAP_OZ) { - tcg_out_opc_imm(s, OPC_SRLI, a0, a0, 32); - } else { - tcg_out_opc_imm(s, OPC_SRAI, a0, a0, 32); +static void tgen_divs(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_DIVW : OPC_DIV; + tcg_out_opc_reg(s, insn, a0, a1, a2); +} + +static const TCGOutOpBinary outop_divs = { + .base.static_constraint = C_O1_I2(r, r, r), + .out_rrr = tgen_divs, +}; + +static const TCGOutOpDivRem outop_divs2 = { + .base.static_constraint = C_NotImplemented, +}; + +static void tgen_divu(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_DIVUW : OPC_DIVU; + tcg_out_opc_reg(s, insn, a0, a1, a2); +} + +static const TCGOutOpBinary outop_divu = { + .base.static_constraint = C_O1_I2(r, r, r), + .out_rrr = tgen_divu, +}; + +static const TCGOutOpDivRem outop_divu2 = { + .base.static_constraint = C_NotImplemented, +}; + +static void tgen_eqv(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + tcg_out_opc_reg(s, OPC_XNOR, a0, a1, a2); +} + +static const TCGOutOpBinary outop_eqv = { + .base.static_constraint = C_Dynamic, + .base.dynamic_constraint = cset_zbb_rrr, + .out_rrr = tgen_eqv, +}; + +static void tgen_extrh_i64_i32(TCGContext *s, TCGType t, TCGReg a0, TCGReg a1) +{ + tcg_out_opc_imm(s, OPC_SRAI, a0, a1, 32); +} + +static const TCGOutOpUnary outop_extrh_i64_i32 = { + .base.static_constraint = C_O1_I1(r, r), + .out_rr = tgen_extrh_i64_i32, +}; + +static void tgen_mul(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_MULW : OPC_MUL; + tcg_out_opc_reg(s, insn, a0, a1, a2); +} + +static const TCGOutOpBinary outop_mul = { + .base.static_constraint = C_O1_I2(r, r, r), + .out_rrr = tgen_mul, +}; + +static const TCGOutOpMul2 outop_muls2 = { + .base.static_constraint = C_NotImplemented, +}; + +static TCGConstraintSetIndex cset_mulh(TCGType type, unsigned flags) +{ + return type == TCG_TYPE_I32 ? C_NotImplemented : C_O1_I2(r, r, r); +} + +static void tgen_mulsh(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + tcg_out_opc_reg(s, OPC_MULH, a0, a1, a2); +} + +static const TCGOutOpBinary outop_mulsh = { + .base.static_constraint = C_Dynamic, + .base.dynamic_constraint = cset_mulh, + .out_rrr = tgen_mulsh, +}; + +static const TCGOutOpMul2 outop_mulu2 = { + .base.static_constraint = C_NotImplemented, +}; + +static void tgen_muluh(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + tcg_out_opc_reg(s, OPC_MULHU, a0, a1, a2); +} + +static const TCGOutOpBinary outop_muluh = { + .base.static_constraint = C_Dynamic, + .base.dynamic_constraint = cset_mulh, + .out_rrr = tgen_muluh, +}; + +static const TCGOutOpBinary outop_nand = { + .base.static_constraint = C_NotImplemented, +}; + +static const TCGOutOpBinary outop_nor = { + .base.static_constraint = C_NotImplemented, +}; + +static void tgen_or(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + tcg_out_opc_reg(s, OPC_OR, a0, a1, a2); +} + +static void tgen_ori(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, tcg_target_long a2) +{ + tcg_out_opc_imm(s, OPC_ORI, a0, a1, a2); +} + +static const TCGOutOpBinary outop_or = { + .base.static_constraint = C_O1_I2(r, r, rI), + .out_rrr = tgen_or, + .out_rri = tgen_ori, +}; + +static void tgen_orc(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + tcg_out_opc_reg(s, OPC_ORN, a0, a1, a2); +} + +static const TCGOutOpBinary outop_orc = { + .base.static_constraint = C_Dynamic, + .base.dynamic_constraint = cset_zbb_rrr, + .out_rrr = tgen_orc, +}; + +static void tgen_rems(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_REMW : OPC_REM; + tcg_out_opc_reg(s, insn, a0, a1, a2); +} + +static const TCGOutOpBinary outop_rems = { + .base.static_constraint = C_O1_I2(r, r, r), + .out_rrr = tgen_rems, +}; + +static void tgen_remu(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_REMUW : OPC_REMU; + tcg_out_opc_reg(s, insn, a0, a1, a2); +} + +static const TCGOutOpBinary outop_remu = { + .base.static_constraint = C_O1_I2(r, r, r), + .out_rrr = tgen_remu, +}; + +static TCGConstraintSetIndex cset_rot(TCGType type, unsigned flags) +{ + return cpuinfo & CPUINFO_ZBB ? C_O1_I2(r, r, ri) : C_NotImplemented; +} + +static void tgen_rotr(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_RORW : OPC_ROR; + tcg_out_opc_reg(s, insn, a0, a1, a2); +} + +static void tgen_rotri(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, tcg_target_long a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_RORIW : OPC_RORI; + unsigned mask = type == TCG_TYPE_I32 ? 31 : 63; + tcg_out_opc_imm(s, insn, a0, a1, a2 & mask); +} + +static const TCGOutOpBinary outop_rotr = { + .base.static_constraint = C_Dynamic, + .base.dynamic_constraint = cset_rot, + .out_rrr = tgen_rotr, + .out_rri = tgen_rotri, +}; + +static void tgen_rotl(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_ROLW : OPC_ROL; + tcg_out_opc_reg(s, insn, a0, a1, a2); +} + +static void tgen_rotli(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, tcg_target_long a2) +{ + tgen_rotri(s, type, a0, a1, -a2); +} + +static const TCGOutOpBinary outop_rotl = { + .base.static_constraint = C_Dynamic, + .base.dynamic_constraint = cset_rot, + .out_rrr = tgen_rotl, + .out_rri = tgen_rotli, +}; + +static void tgen_sar(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_SRAW : OPC_SRA; + tcg_out_opc_reg(s, insn, a0, a1, a2); +} + +static void tgen_sari(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, tcg_target_long a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_SRAIW : OPC_SRAI; + unsigned mask = type == TCG_TYPE_I32 ? 31 : 63; + tcg_out_opc_imm(s, insn, a0, a1, a2 & mask); +} + +static const TCGOutOpBinary outop_sar = { + .base.static_constraint = C_O1_I2(r, r, ri), + .out_rrr = tgen_sar, + .out_rri = tgen_sari, +}; + +static void tgen_shl(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_SLLW : OPC_SLL; + tcg_out_opc_reg(s, insn, a0, a1, a2); +} + +static void tgen_shli(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, tcg_target_long a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_SLLIW : OPC_SLLI; + unsigned mask = type == TCG_TYPE_I32 ? 31 : 63; + tcg_out_opc_imm(s, insn, a0, a1, a2 & mask); +} + +static const TCGOutOpBinary outop_shl = { + .base.static_constraint = C_O1_I2(r, r, ri), + .out_rrr = tgen_shl, + .out_rri = tgen_shli, +}; + +static void tgen_shr(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_SRLW : OPC_SRL; + tcg_out_opc_reg(s, insn, a0, a1, a2); +} + +static void tgen_shri(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, tcg_target_long a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_SRLIW : OPC_SRLI; + unsigned mask = type == TCG_TYPE_I32 ? 31 : 63; + tcg_out_opc_imm(s, insn, a0, a1, a2 & mask); +} + +static const TCGOutOpBinary outop_shr = { + .base.static_constraint = C_O1_I2(r, r, ri), + .out_rrr = tgen_shr, + .out_rri = tgen_shri, +}; + +static void tgen_sub(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_SUBW : OPC_SUB; + tcg_out_opc_reg(s, insn, a0, a1, a2); +} + +static const TCGOutOpSubtract outop_sub = { + .base.static_constraint = C_O1_I2(r, r, r), + .out_rrr = tgen_sub, +}; + +static const TCGOutOpAddSubCarry outop_subbo = { + .base.static_constraint = C_NotImplemented, +}; + +static const TCGOutOpAddSubCarry outop_subbi = { + .base.static_constraint = C_NotImplemented, +}; + +static const TCGOutOpAddSubCarry outop_subbio = { + .base.static_constraint = C_NotImplemented, +}; + +static void tcg_out_set_borrow(TCGContext *s) +{ + g_assert_not_reached(); +} + +static void tgen_xor(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, TCGReg a2) +{ + tcg_out_opc_reg(s, OPC_XOR, a0, a1, a2); +} + +static void tgen_xori(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, tcg_target_long a2) +{ + tcg_out_opc_imm(s, OPC_XORI, a0, a1, a2); +} + +static const TCGOutOpBinary outop_xor = { + .base.static_constraint = C_O1_I2(r, r, rI), + .out_rrr = tgen_xor, + .out_rri = tgen_xori, +}; + +static TCGConstraintSetIndex cset_bswap(TCGType type, unsigned flags) +{ + return cpuinfo & CPUINFO_ZBB ? C_O1_I1(r, r) : C_NotImplemented; +} + +static void tgen_bswap16(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, unsigned flags) +{ + tcg_out_opc_imm(s, OPC_REV8, a0, a1, 0); + if (flags & TCG_BSWAP_OZ) { + tcg_out_opc_imm(s, OPC_SRLI, a0, a0, 48); + } else { + tcg_out_opc_imm(s, OPC_SRAI, a0, a0, 48); + } +} + +static const TCGOutOpBswap outop_bswap16 = { + .base.static_constraint = C_Dynamic, + .base.dynamic_constraint = cset_bswap, + .out_rr = tgen_bswap16, +}; + +static void tgen_bswap32(TCGContext *s, TCGType type, + TCGReg a0, TCGReg a1, unsigned flags) +{ + tcg_out_opc_imm(s, OPC_REV8, a0, a1, 0); + if (flags & TCG_BSWAP_OZ) { + tcg_out_opc_imm(s, OPC_SRLI, a0, a0, 32); + } else { + tcg_out_opc_imm(s, OPC_SRAI, a0, a0, 32); + } +} + +static const TCGOutOpBswap outop_bswap32 = { + .base.static_constraint = C_Dynamic, + .base.dynamic_constraint = cset_bswap, + .out_rr = tgen_bswap32, +}; + +static void tgen_bswap64(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1) +{ + tcg_out_opc_imm(s, OPC_REV8, a0, a1, 0); +} + +static const TCGOutOpUnary outop_bswap64 = { + .base.static_constraint = C_Dynamic, + .base.dynamic_constraint = cset_bswap, + .out_rr = tgen_bswap64, +}; + +static void tgen_neg(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1) +{ + tgen_sub(s, type, a0, TCG_REG_ZERO, a1); +} + +static const TCGOutOpUnary outop_neg = { + .base.static_constraint = C_O1_I1(r, r), + .out_rr = tgen_neg, +}; + +static void tgen_not(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1) +{ + tgen_xori(s, type, a0, a1, -1); +} + +static const TCGOutOpUnary outop_not = { + .base.static_constraint = C_O1_I1(r, r), + .out_rr = tgen_not, +}; + +static const TCGOutOpDeposit outop_deposit = { + .base.static_constraint = C_NotImplemented, +}; + +static void tgen_extract(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1, + unsigned ofs, unsigned len) +{ + if (ofs == 0) { + switch (len) { + case 16: + tcg_out_ext16u(s, a0, a1); + return; + case 32: + tcg_out_ext32u(s, a0, a1); + return; } - break; - case INDEX_op_bswap16_i64: - case INDEX_op_bswap16_i32: - tcg_out_opc_imm(s, OPC_REV8, a0, a1, 0); - if (a2 & TCG_BSWAP_OZ) { - tcg_out_opc_imm(s, OPC_SRLI, a0, a0, 48); - } else { - tcg_out_opc_imm(s, OPC_SRAI, a0, a0, 48); + } + if (ofs + len == 32) { + tgen_shri(s, TCG_TYPE_I32, a0, a1, ofs); + return; + } + if (len == 1) { + tcg_out_opc_imm(s, OPC_BEXTI, a0, a1, ofs); + return; + } + g_assert_not_reached(); +} + +static const TCGOutOpExtract outop_extract = { + .base.static_constraint = C_O1_I1(r, r), + .out_rr = tgen_extract, +}; + +static void tgen_sextract(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1, + unsigned ofs, unsigned len) +{ + if (ofs == 0) { + switch (len) { + case 8: + tcg_out_ext8s(s, type, a0, a1); + return; + case 16: + tcg_out_ext16s(s, type, a0, a1); + return; + case 32: + tcg_out_ext32s(s, a0, a1); + return; } - break; + } else if (ofs + len == 32) { + tgen_sari(s, TCG_TYPE_I32, a0, a1, ofs); + return; + } + g_assert_not_reached(); +} - case INDEX_op_ctpop_i32: - tcg_out_opc_imm(s, OPC_CPOPW, a0, a1, 0); - break; - case INDEX_op_ctpop_i64: - tcg_out_opc_imm(s, OPC_CPOP, a0, a1, 0); - break; +static const TCGOutOpExtract outop_sextract = { + .base.static_constraint = C_O1_I1(r, r), + .out_rr = tgen_sextract, +}; - case INDEX_op_clz_i32: - tcg_out_cltz(s, TCG_TYPE_I32, OPC_CLZW, a0, a1, a2, c2); - break; - case INDEX_op_clz_i64: - tcg_out_cltz(s, TCG_TYPE_I64, OPC_CLZ, a0, a1, a2, c2); - break; - case INDEX_op_ctz_i32: - tcg_out_cltz(s, TCG_TYPE_I32, OPC_CTZW, a0, a1, a2, c2); - break; - case INDEX_op_ctz_i64: - tcg_out_cltz(s, TCG_TYPE_I64, OPC_CTZ, a0, a1, a2, c2); - break; +static const TCGOutOpExtract2 outop_extract2 = { + .base.static_constraint = C_NotImplemented, +}; - case INDEX_op_add2_i32: - tcg_out_addsub2(s, a0, a1, a2, args[3], args[4], args[5], - const_args[4], const_args[5], false, true); - break; - case INDEX_op_add2_i64: - tcg_out_addsub2(s, a0, a1, a2, args[3], args[4], args[5], - const_args[4], const_args[5], false, false); - break; - case INDEX_op_sub2_i32: - tcg_out_addsub2(s, a0, a1, a2, args[3], args[4], args[5], - const_args[4], const_args[5], true, true); - break; - case INDEX_op_sub2_i64: - tcg_out_addsub2(s, a0, a1, a2, args[3], args[4], args[5], - const_args[4], const_args[5], true, false); - break; +static void tgen_ld8u(TCGContext *s, TCGType type, TCGReg dest, + TCGReg base, ptrdiff_t offset) +{ + tcg_out_ldst(s, OPC_LBU, dest, base, offset); +} - case INDEX_op_brcond_i32: - case INDEX_op_brcond_i64: - tcg_out_brcond(s, a2, a0, a1, arg_label(args[3])); - break; +static const TCGOutOpLoad outop_ld8u = { + .base.static_constraint = C_O1_I1(r, r), + .out = tgen_ld8u, +}; - case INDEX_op_setcond_i32: - case INDEX_op_setcond_i64: - tcg_out_setcond(s, args[3], a0, a1, a2, c2); - break; +static void tgen_ld8s(TCGContext *s, TCGType type, TCGReg dest, + TCGReg base, ptrdiff_t offset) +{ + tcg_out_ldst(s, OPC_LB, dest, base, offset); +} - case INDEX_op_negsetcond_i32: - case INDEX_op_negsetcond_i64: - tcg_out_negsetcond(s, args[3], a0, a1, a2, c2); - break; +static const TCGOutOpLoad outop_ld8s = { + .base.static_constraint = C_O1_I1(r, r), + .out = tgen_ld8s, +}; - case INDEX_op_movcond_i32: - case INDEX_op_movcond_i64: - tcg_out_movcond(s, args[5], a0, a1, a2, c2, - args[3], const_args[3], args[4], const_args[4]); - break; +static void tgen_ld16u(TCGContext *s, TCGType type, TCGReg dest, + TCGReg base, ptrdiff_t offset) +{ + tcg_out_ldst(s, OPC_LHU, dest, base, offset); +} - case INDEX_op_qemu_ld_a32_i32: - case INDEX_op_qemu_ld_a64_i32: - tcg_out_qemu_ld(s, a0, a1, a2, TCG_TYPE_I32); - break; - case INDEX_op_qemu_ld_a32_i64: - case INDEX_op_qemu_ld_a64_i64: - tcg_out_qemu_ld(s, a0, a1, a2, TCG_TYPE_I64); +static const TCGOutOpLoad outop_ld16u = { + .base.static_constraint = C_O1_I1(r, r), + .out = tgen_ld16u, +}; + +static void tgen_ld16s(TCGContext *s, TCGType type, TCGReg dest, + TCGReg base, ptrdiff_t offset) +{ + tcg_out_ldst(s, OPC_LH, dest, base, offset); +} + +static const TCGOutOpLoad outop_ld16s = { + .base.static_constraint = C_O1_I1(r, r), + .out = tgen_ld16s, +}; + +static void tgen_ld32u(TCGContext *s, TCGType type, TCGReg dest, + TCGReg base, ptrdiff_t offset) +{ + tcg_out_ldst(s, OPC_LWU, dest, base, offset); +} + +static const TCGOutOpLoad outop_ld32u = { + .base.static_constraint = C_O1_I1(r, r), + .out = tgen_ld32u, +}; + +static void tgen_ld32s(TCGContext *s, TCGType type, TCGReg dest, + TCGReg base, ptrdiff_t offset) +{ + tcg_out_ldst(s, OPC_LW, dest, base, offset); +} + +static const TCGOutOpLoad outop_ld32s = { + .base.static_constraint = C_O1_I1(r, r), + .out = tgen_ld32s, +}; + +static void tgen_st8_r(TCGContext *s, TCGType type, TCGReg data, + TCGReg base, ptrdiff_t offset) +{ + tcg_out_ldst(s, OPC_SB, data, base, offset); +} + +static const TCGOutOpStore outop_st8 = { + .base.static_constraint = C_O0_I2(rz, r), + .out_r = tgen_st8_r, +}; + +static void tgen_st16_r(TCGContext *s, TCGType type, TCGReg data, + TCGReg base, ptrdiff_t offset) +{ + tcg_out_ldst(s, OPC_SH, data, base, offset); +} + +static const TCGOutOpStore outop_st16 = { + .base.static_constraint = C_O0_I2(rz, r), + .out_r = tgen_st16_r, +}; + +static const TCGOutOpStore outop_st = { + .base.static_constraint = C_O0_I2(rz, r), + .out_r = tcg_out_st, +}; + + +static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc, + unsigned vecl, unsigned vece, + const TCGArg args[TCG_MAX_OP_ARGS], + const int const_args[TCG_MAX_OP_ARGS]) +{ + TCGType type = vecl + TCG_TYPE_V64; + TCGArg a0, a1, a2; + int c2; + + a0 = args[0]; + a1 = args[1]; + a2 = args[2]; + c2 = const_args[2]; + + switch (opc) { + case INDEX_op_dupm_vec: + tcg_out_dupm_vec(s, type, vece, a0, a1, a2); break; - case INDEX_op_qemu_st_a32_i32: - case INDEX_op_qemu_st_a64_i32: - tcg_out_qemu_st(s, a0, a1, a2, TCG_TYPE_I32); + case INDEX_op_ld_vec: + tcg_out_ld(s, type, a0, a1, a2); break; - case INDEX_op_qemu_st_a32_i64: - case INDEX_op_qemu_st_a64_i64: - tcg_out_qemu_st(s, a0, a1, a2, TCG_TYPE_I64); + case INDEX_op_st_vec: + tcg_out_st(s, type, a0, a1, a2); break; - - case INDEX_op_extrh_i64_i32: - tcg_out_opc_imm(s, OPC_SRAI, a0, a1, 32); + case INDEX_op_add_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vv_vi(s, OPC_VADD_VV, OPC_VADD_VI, a0, a1, a2, c2); break; - - case INDEX_op_mulsh_i32: - case INDEX_op_mulsh_i64: - tcg_out_opc_reg(s, OPC_MULH, a0, a1, a2); - break; - - case INDEX_op_muluh_i32: - case INDEX_op_muluh_i64: - tcg_out_opc_reg(s, OPC_MULHU, a0, a1, a2); + case INDEX_op_sub_vec: + set_vtype_len_sew(s, type, vece); + if (const_args[1]) { + tcg_out_opc_vi(s, OPC_VRSUB_VI, a0, a2, a1); + } else { + tcg_out_opc_vv(s, OPC_VSUB_VV, a0, a1, a2); + } break; + case INDEX_op_and_vec: + set_vtype_len(s, type); + tcg_out_opc_vv_vi(s, OPC_VAND_VV, OPC_VAND_VI, a0, a1, a2, c2); + break; + case INDEX_op_or_vec: + set_vtype_len(s, type); + tcg_out_opc_vv_vi(s, OPC_VOR_VV, OPC_VOR_VI, a0, a1, a2, c2); + break; + case INDEX_op_xor_vec: + set_vtype_len(s, type); + tcg_out_opc_vv_vi(s, OPC_VXOR_VV, OPC_VXOR_VI, a0, a1, a2, c2); + break; + case INDEX_op_not_vec: + set_vtype_len(s, type); + tcg_out_opc_vi(s, OPC_VXOR_VI, a0, a1, -1); + break; + case INDEX_op_neg_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vi(s, OPC_VRSUB_VI, a0, a1, 0); + break; + case INDEX_op_mul_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vv(s, OPC_VMUL_VV, a0, a1, a2); + break; + case INDEX_op_ssadd_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vv_vi(s, OPC_VSADD_VV, OPC_VSADD_VI, a0, a1, a2, c2); + break; + case INDEX_op_sssub_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vv_vi(s, OPC_VSSUB_VV, OPC_VSSUB_VI, a0, a1, a2, c2); + break; + case INDEX_op_usadd_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vv_vi(s, OPC_VSADDU_VV, OPC_VSADDU_VI, a0, a1, a2, c2); + break; + case INDEX_op_ussub_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vv_vi(s, OPC_VSSUBU_VV, OPC_VSSUBU_VI, a0, a1, a2, c2); + break; + case INDEX_op_smax_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vv_vi(s, OPC_VMAX_VV, OPC_VMAX_VI, a0, a1, a2, c2); + break; + case INDEX_op_smin_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vv_vi(s, OPC_VMIN_VV, OPC_VMIN_VI, a0, a1, a2, c2); + break; + case INDEX_op_umax_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vv_vi(s, OPC_VMAXU_VV, OPC_VMAXU_VI, a0, a1, a2, c2); + break; + case INDEX_op_umin_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vv_vi(s, OPC_VMINU_VV, OPC_VMINU_VI, a0, a1, a2, c2); + break; + case INDEX_op_shls_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vx(s, OPC_VSLL_VX, a0, a1, a2); + break; + case INDEX_op_shrs_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vx(s, OPC_VSRL_VX, a0, a1, a2); + break; + case INDEX_op_sars_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vx(s, OPC_VSRA_VX, a0, a1, a2); + break; + case INDEX_op_shlv_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vv(s, OPC_VSLL_VV, a0, a1, a2); + break; + case INDEX_op_shrv_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vv(s, OPC_VSRL_VV, a0, a1, a2); + break; + case INDEX_op_sarv_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vv(s, OPC_VSRA_VV, a0, a1, a2); + break; + case INDEX_op_shli_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_vshifti(s, OPC_VSLL_VI, OPC_VSLL_VX, a0, a1, a2); + break; + case INDEX_op_shri_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_vshifti(s, OPC_VSRL_VI, OPC_VSRL_VX, a0, a1, a2); + break; + case INDEX_op_sari_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_vshifti(s, OPC_VSRA_VI, OPC_VSRA_VX, a0, a1, a2); + break; + case INDEX_op_rotli_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_vshifti(s, OPC_VSLL_VI, OPC_VSLL_VX, TCG_REG_V0, a1, a2); + tcg_out_vshifti(s, OPC_VSRL_VI, OPC_VSRL_VX, a0, a1, + -a2 & ((8 << vece) - 1)); + tcg_out_opc_vv(s, OPC_VOR_VV, a0, a0, TCG_REG_V0); + break; + case INDEX_op_rotls_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vx(s, OPC_VSLL_VX, TCG_REG_V0, a1, a2); + tcg_out_opc_reg(s, OPC_SUBW, TCG_REG_TMP0, TCG_REG_ZERO, a2); + tcg_out_opc_vx(s, OPC_VSRL_VX, a0, a1, TCG_REG_TMP0); + tcg_out_opc_vv(s, OPC_VOR_VV, a0, a0, TCG_REG_V0); + break; + case INDEX_op_rotlv_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vi(s, OPC_VRSUB_VI, TCG_REG_V0, a2, 0); + tcg_out_opc_vv(s, OPC_VSRL_VV, TCG_REG_V0, a1, TCG_REG_V0); + tcg_out_opc_vv(s, OPC_VSLL_VV, a0, a1, a2); + tcg_out_opc_vv(s, OPC_VOR_VV, a0, a0, TCG_REG_V0); + break; + case INDEX_op_rotrv_vec: + set_vtype_len_sew(s, type, vece); + tcg_out_opc_vi(s, OPC_VRSUB_VI, TCG_REG_V0, a2, 0); + tcg_out_opc_vv(s, OPC_VSLL_VV, TCG_REG_V0, a1, TCG_REG_V0); + tcg_out_opc_vv(s, OPC_VSRL_VV, a0, a1, a2); + tcg_out_opc_vv(s, OPC_VOR_VV, a0, a0, TCG_REG_V0); + break; + case INDEX_op_cmp_vec: + tcg_out_cmpsel(s, type, vece, args[3], a0, a1, a2, c2, + -1, true, 0, true); + break; + case INDEX_op_cmpsel_vec: + tcg_out_cmpsel(s, type, vece, args[5], a0, a1, a2, c2, + args[3], const_args[3], args[4], const_args[4]); + break; + case INDEX_op_mov_vec: /* Always emitted via tcg_out_mov. */ + case INDEX_op_dup_vec: /* Always emitted via tcg_out_dup_vec. */ + default: + g_assert_not_reached(); + } +} - case INDEX_op_mb: - tcg_out_mb(s, a0); - break; +void tcg_expand_vec_op(TCGOpcode opc, TCGType type, unsigned vece, + TCGArg a0, ...) +{ + g_assert_not_reached(); +} - case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */ - case INDEX_op_mov_i64: - case INDEX_op_call: /* Always emitted via tcg_out_call. */ - case INDEX_op_exit_tb: /* Always emitted via tcg_out_exit_tb. */ - case INDEX_op_goto_tb: /* Always emitted via tcg_out_goto_tb. */ - case INDEX_op_ext8s_i32: /* Always emitted via tcg_reg_alloc_op. */ - case INDEX_op_ext8s_i64: - case INDEX_op_ext8u_i32: - case INDEX_op_ext8u_i64: - case INDEX_op_ext16s_i32: - case INDEX_op_ext16s_i64: - case INDEX_op_ext16u_i32: - case INDEX_op_ext16u_i64: - case INDEX_op_ext32s_i64: - case INDEX_op_ext32u_i64: - case INDEX_op_ext_i32_i64: - case INDEX_op_extu_i32_i64: - case INDEX_op_extrl_i64_i32: +int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece) +{ + switch (opc) { + case INDEX_op_add_vec: + case INDEX_op_sub_vec: + case INDEX_op_and_vec: + case INDEX_op_or_vec: + case INDEX_op_xor_vec: + case INDEX_op_not_vec: + case INDEX_op_neg_vec: + case INDEX_op_mul_vec: + case INDEX_op_ssadd_vec: + case INDEX_op_sssub_vec: + case INDEX_op_usadd_vec: + case INDEX_op_ussub_vec: + case INDEX_op_smax_vec: + case INDEX_op_smin_vec: + case INDEX_op_umax_vec: + case INDEX_op_umin_vec: + case INDEX_op_shls_vec: + case INDEX_op_shrs_vec: + case INDEX_op_sars_vec: + case INDEX_op_shlv_vec: + case INDEX_op_shrv_vec: + case INDEX_op_sarv_vec: + case INDEX_op_shri_vec: + case INDEX_op_shli_vec: + case INDEX_op_sari_vec: + case INDEX_op_rotls_vec: + case INDEX_op_rotlv_vec: + case INDEX_op_rotrv_vec: + case INDEX_op_rotli_vec: + case INDEX_op_cmp_vec: + case INDEX_op_cmpsel_vec: + return 1; default: - g_assert_not_reached(); + return 0; } } -static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op) +static TCGConstraintSetIndex +tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags) { switch (op) { - case INDEX_op_goto_ptr: - return C_O0_I1(r); - - case INDEX_op_ld8u_i32: - case INDEX_op_ld8s_i32: - case INDEX_op_ld16u_i32: - case INDEX_op_ld16s_i32: - case INDEX_op_ld_i32: - case INDEX_op_not_i32: - case INDEX_op_neg_i32: - case INDEX_op_ld8u_i64: - case INDEX_op_ld8s_i64: - case INDEX_op_ld16u_i64: - case INDEX_op_ld16s_i64: - case INDEX_op_ld32s_i64: - case INDEX_op_ld32u_i64: - case INDEX_op_ld_i64: - case INDEX_op_not_i64: - case INDEX_op_neg_i64: - case INDEX_op_ext8u_i32: - case INDEX_op_ext8u_i64: - case INDEX_op_ext16u_i32: - case INDEX_op_ext16u_i64: - case INDEX_op_ext32u_i64: - case INDEX_op_extu_i32_i64: - case INDEX_op_ext8s_i32: - case INDEX_op_ext8s_i64: - case INDEX_op_ext16s_i32: - case INDEX_op_ext16s_i64: - case INDEX_op_ext32s_i64: - case INDEX_op_extrl_i64_i32: - case INDEX_op_extrh_i64_i32: - case INDEX_op_ext_i32_i64: - case INDEX_op_bswap16_i32: - case INDEX_op_bswap32_i32: - case INDEX_op_bswap16_i64: - case INDEX_op_bswap32_i64: - case INDEX_op_bswap64_i64: - case INDEX_op_ctpop_i32: - case INDEX_op_ctpop_i64: - return C_O1_I1(r, r); - - case INDEX_op_st8_i32: - case INDEX_op_st16_i32: - case INDEX_op_st_i32: - case INDEX_op_st8_i64: - case INDEX_op_st16_i64: - case INDEX_op_st32_i64: - case INDEX_op_st_i64: - return C_O0_I2(rZ, r); - - case INDEX_op_add_i32: - case INDEX_op_and_i32: - case INDEX_op_or_i32: - case INDEX_op_xor_i32: - case INDEX_op_add_i64: - case INDEX_op_and_i64: - case INDEX_op_or_i64: - case INDEX_op_xor_i64: - case INDEX_op_setcond_i32: - case INDEX_op_setcond_i64: - case INDEX_op_negsetcond_i32: - case INDEX_op_negsetcond_i64: - return C_O1_I2(r, r, rI); - - case INDEX_op_andc_i32: - case INDEX_op_andc_i64: - case INDEX_op_orc_i32: - case INDEX_op_orc_i64: - case INDEX_op_eqv_i32: - case INDEX_op_eqv_i64: - return C_O1_I2(r, r, rJ); - - case INDEX_op_sub_i32: - case INDEX_op_sub_i64: - return C_O1_I2(r, rZ, rN); - - case INDEX_op_mul_i32: - case INDEX_op_mulsh_i32: - case INDEX_op_muluh_i32: - case INDEX_op_div_i32: - case INDEX_op_divu_i32: - case INDEX_op_rem_i32: - case INDEX_op_remu_i32: - case INDEX_op_mul_i64: - case INDEX_op_mulsh_i64: - case INDEX_op_muluh_i64: - case INDEX_op_div_i64: - case INDEX_op_divu_i64: - case INDEX_op_rem_i64: - case INDEX_op_remu_i64: - return C_O1_I2(r, rZ, rZ); - - case INDEX_op_shl_i32: - case INDEX_op_shr_i32: - case INDEX_op_sar_i32: - case INDEX_op_rotl_i32: - case INDEX_op_rotr_i32: - case INDEX_op_shl_i64: - case INDEX_op_shr_i64: - case INDEX_op_sar_i64: - case INDEX_op_rotl_i64: - case INDEX_op_rotr_i64: - return C_O1_I2(r, r, ri); - - case INDEX_op_clz_i32: - case INDEX_op_clz_i64: - case INDEX_op_ctz_i32: - case INDEX_op_ctz_i64: - return C_N1_I2(r, r, rM); - - case INDEX_op_brcond_i32: - case INDEX_op_brcond_i64: - return C_O0_I2(rZ, rZ); - - case INDEX_op_movcond_i32: - case INDEX_op_movcond_i64: - return C_O1_I4(r, r, rI, rM, rM); - - case INDEX_op_add2_i32: - case INDEX_op_add2_i64: - case INDEX_op_sub2_i32: - case INDEX_op_sub2_i64: - return C_O2_I4(r, r, rZ, rZ, rM, rM); - - case INDEX_op_qemu_ld_a32_i32: - case INDEX_op_qemu_ld_a64_i32: - case INDEX_op_qemu_ld_a32_i64: - case INDEX_op_qemu_ld_a64_i64: - return C_O1_I1(r, r); - case INDEX_op_qemu_st_a32_i32: - case INDEX_op_qemu_st_a64_i32: - case INDEX_op_qemu_st_a32_i64: - case INDEX_op_qemu_st_a64_i64: - return C_O0_I2(rZ, r); - + case INDEX_op_st_vec: + return C_O0_I2(v, r); + case INDEX_op_dup_vec: + case INDEX_op_dupm_vec: + case INDEX_op_ld_vec: + return C_O1_I1(v, r); + case INDEX_op_neg_vec: + case INDEX_op_not_vec: + case INDEX_op_shli_vec: + case INDEX_op_shri_vec: + case INDEX_op_sari_vec: + case INDEX_op_rotli_vec: + return C_O1_I1(v, v); + case INDEX_op_add_vec: + case INDEX_op_and_vec: + case INDEX_op_or_vec: + case INDEX_op_xor_vec: + case INDEX_op_ssadd_vec: + case INDEX_op_sssub_vec: + case INDEX_op_usadd_vec: + case INDEX_op_ussub_vec: + case INDEX_op_smax_vec: + case INDEX_op_smin_vec: + case INDEX_op_umax_vec: + case INDEX_op_umin_vec: + return C_O1_I2(v, v, vK); + case INDEX_op_sub_vec: + return C_O1_I2(v, vK, v); + case INDEX_op_mul_vec: + case INDEX_op_shlv_vec: + case INDEX_op_shrv_vec: + case INDEX_op_sarv_vec: + case INDEX_op_rotlv_vec: + case INDEX_op_rotrv_vec: + return C_O1_I2(v, v, v); + case INDEX_op_shls_vec: + case INDEX_op_shrs_vec: + case INDEX_op_sars_vec: + case INDEX_op_rotls_vec: + return C_O1_I2(v, v, r); + case INDEX_op_cmp_vec: + return C_O1_I2(v, v, vL); + case INDEX_op_cmpsel_vec: + return C_O1_I4(v, v, vL, vK, vK); default: - g_assert_not_reached(); + return C_NotImplemented; } } @@ -2107,69 +2980,73 @@ static void tcg_target_qemu_prologue(TCGContext *s) static void tcg_out_tb_start(TCGContext *s) { - /* nothing to do */ + init_setting_vtype(s); } -static volatile sig_atomic_t got_sigill; - -static void sigill_handler(int signo, siginfo_t *si, void *data) +static bool vtype_check(unsigned vtype) { - /* Skip the faulty instruction */ - ucontext_t *uc = (ucontext_t *)data; - uc->uc_mcontext.__gregs[REG_PC] += 4; + unsigned long tmp; - got_sigill = 1; + /* vsetvl tmp, zero, vtype */ + asm(".insn r 0x57, 7, 0x40, %0, zero, %1" : "=r"(tmp) : "r"(vtype)); + return tmp != 0; } -static void tcg_target_detect_isa(void) +static void probe_frac_lmul_1(TCGType type, MemOp vsew) { -#if !defined(have_zba) || !defined(have_zbb) || !defined(have_zicond) - /* - * TODO: It is expected that this will be determinable via - * linux riscv_hwprobe syscall, not yet merged. - * In the meantime, test via sigill. - */ - - struct sigaction sa_old, sa_new; + VsetCache *p = &riscv_vset_cache[type - TCG_TYPE_V64][vsew]; + unsigned avl = tcg_type_size(type) >> vsew; + int lmul = type - riscv_lg2_vlenb; + unsigned vtype = encode_vtype(true, true, vsew, lmul & 7); + bool lmul_eq_avl = true; - memset(&sa_new, 0, sizeof(sa_new)); - sa_new.sa_flags = SA_SIGINFO; - sa_new.sa_sigaction = sigill_handler; - sigaction(SIGILL, &sa_new, &sa_old); + /* Guaranteed by Zve64x. */ + assert(lmul < 3); -#ifndef have_zba - /* Probe for Zba: add.uw zero,zero,zero. */ - got_sigill = 0; - asm volatile(".insn r 0x3b, 0, 0x04, zero, zero, zero" : : : "memory"); - have_zba = !got_sigill; -#endif + /* + * For LMUL < -3, the host vector size is so large that TYPE + * is smaller than the minimum 1/8 fraction. + * + * For other fractional LMUL settings, implementations must + * support SEW settings between SEW_MIN and LMUL * ELEN, inclusive. + * So if ELEN = 64, LMUL = 1/2, then SEW will support e8, e16, e32, + * but e64 may not be supported. In other words, the hardware only + * guarantees SEW_MIN <= SEW <= LMUL * ELEN. Check. + */ + if (lmul < 0 && (lmul < -3 || !vtype_check(vtype))) { + vtype = encode_vtype(true, true, vsew, VLMUL_M1); + lmul_eq_avl = false; + } -#ifndef have_zbb - /* Probe for Zba: andn zero,zero,zero. */ - got_sigill = 0; - asm volatile(".insn r 0x33, 7, 0x20, zero, zero, zero" : : : "memory"); - have_zbb = !got_sigill; -#endif + if (avl < 32) { + p->vset_insn = encode_vseti(OPC_VSETIVLI, TCG_REG_ZERO, avl, vtype); + } else if (lmul_eq_avl) { + /* rd != 0 and rs1 == 0 uses vlmax */ + p->vset_insn = encode_vset(OPC_VSETVLI, TCG_REG_TMP0, TCG_REG_ZERO, vtype); + } else { + p->movi_insn = encode_i(OPC_ADDI, TCG_REG_TMP0, TCG_REG_ZERO, avl); + p->vset_insn = encode_vset(OPC_VSETVLI, TCG_REG_ZERO, TCG_REG_TMP0, vtype); + } +} -#ifndef have_zicond - /* Probe for Zicond: czero.eqz zero,zero,zero. */ - got_sigill = 0; - asm volatile(".insn r 0x33, 5, 0x07, zero, zero, zero" : : : "memory"); - have_zicond = !got_sigill; -#endif +static void probe_frac_lmul(void) +{ + /* Match riscv_lg2_vlenb to TCG_TYPE_V64. */ + QEMU_BUILD_BUG_ON(TCG_TYPE_V64 != 3); - sigaction(SIGILL, &sa_old, NULL); -#endif + for (TCGType t = TCG_TYPE_V64; t <= TCG_TYPE_V256; t++) { + for (MemOp e = MO_8; e <= MO_64; e++) { + probe_frac_lmul_1(t, e); + } + } } static void tcg_target_init(TCGContext *s) { - tcg_target_detect_isa(); - tcg_target_available_regs[TCG_TYPE_I32] = 0xffffffff; tcg_target_available_regs[TCG_TYPE_I64] = 0xffffffff; - tcg_target_call_clobber_regs = -1u; + tcg_target_call_clobber_regs = -1; tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S0); tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S1); tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S2); @@ -2191,6 +3068,32 @@ static void tcg_target_init(TCGContext *s) tcg_regset_set_reg(s->reserved_regs, TCG_REG_SP); tcg_regset_set_reg(s->reserved_regs, TCG_REG_GP); tcg_regset_set_reg(s->reserved_regs, TCG_REG_TP); + + if (cpuinfo & CPUINFO_ZVE64X) { + switch (riscv_lg2_vlenb) { + case TCG_TYPE_V64: + tcg_target_available_regs[TCG_TYPE_V64] = ALL_VECTOR_REGS; + tcg_target_available_regs[TCG_TYPE_V128] = ALL_DVECTOR_REG_GROUPS; + tcg_target_available_regs[TCG_TYPE_V256] = ALL_QVECTOR_REG_GROUPS; + s->reserved_regs |= (~ALL_QVECTOR_REG_GROUPS & ALL_VECTOR_REGS); + break; + case TCG_TYPE_V128: + tcg_target_available_regs[TCG_TYPE_V64] = ALL_VECTOR_REGS; + tcg_target_available_regs[TCG_TYPE_V128] = ALL_VECTOR_REGS; + tcg_target_available_regs[TCG_TYPE_V256] = ALL_DVECTOR_REG_GROUPS; + s->reserved_regs |= (~ALL_DVECTOR_REG_GROUPS & ALL_VECTOR_REGS); + break; + default: + /* Guaranteed by Zve64x. */ + tcg_debug_assert(riscv_lg2_vlenb >= TCG_TYPE_V256); + tcg_target_available_regs[TCG_TYPE_V64] = ALL_VECTOR_REGS; + tcg_target_available_regs[TCG_TYPE_V128] = ALL_VECTOR_REGS; + tcg_target_available_regs[TCG_TYPE_V256] = ALL_VECTOR_REGS; + break; + } + tcg_regset_set_reg(s->reserved_regs, TCG_REG_V0); + probe_frac_lmul(); + } } typedef struct { |