From 5d8a4f8f4aa5b63eb3cc2a2234ffb8d4f0a2af50 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Thu, 3 Jun 2010 17:35:17 -0700 Subject: tcg-i386: Merge 64-bit generation. Signed-off-by: Richard Henderson Signed-off-by: Aurelien Jarno --- tcg/i386/tcg-target.c | 1156 ++++++++++++++++++++++++++----------- tcg/i386/tcg-target.h | 61 +- tcg/x86_64/tcg-target.c | 1445 ----------------------------------------------- tcg/x86_64/tcg-target.h | 101 ---- 4 files changed, 887 insertions(+), 1876 deletions(-) delete mode 100644 tcg/x86_64/tcg-target.c delete mode 100644 tcg/x86_64/tcg-target.h (limited to 'tcg') diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c index 147ba1744f..4d952007b5 100644 --- a/tcg/i386/tcg-target.c +++ b/tcg/i386/tcg-target.c @@ -24,18 +24,33 @@ #ifndef NDEBUG static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = { - "%eax", - "%ecx", - "%edx", - "%ebx", - "%esp", - "%ebp", - "%esi", - "%edi", +#if TCG_TARGET_REG_BITS == 64 + "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi", + "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15", +#else + "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi", +#endif }; #endif static const int tcg_target_reg_alloc_order[] = { +#if TCG_TARGET_REG_BITS == 64 + TCG_REG_RBP, + TCG_REG_RBX, + TCG_REG_R12, + TCG_REG_R13, + TCG_REG_R14, + TCG_REG_R15, + TCG_REG_R10, + TCG_REG_R11, + TCG_REG_R9, + TCG_REG_R8, + TCG_REG_RCX, + TCG_REG_RDX, + TCG_REG_RSI, + TCG_REG_RDI, + TCG_REG_RAX, +#else TCG_REG_EBX, TCG_REG_ESI, TCG_REG_EDI, @@ -43,10 +58,28 @@ static const int tcg_target_reg_alloc_order[] = { TCG_REG_ECX, TCG_REG_EDX, TCG_REG_EAX, +#endif }; -static const int tcg_target_call_iarg_regs[3] = { TCG_REG_EAX, TCG_REG_EDX, TCG_REG_ECX }; -static const int tcg_target_call_oarg_regs[2] = { TCG_REG_EAX, TCG_REG_EDX }; +static const int tcg_target_call_iarg_regs[] = { +#if TCG_TARGET_REG_BITS == 64 + TCG_REG_RDI, + TCG_REG_RSI, + TCG_REG_RDX, + TCG_REG_RCX, + TCG_REG_R8, + TCG_REG_R9, +#else + TCG_REG_EAX, + TCG_REG_EDX, + TCG_REG_ECX +#endif +}; + +static const int tcg_target_call_oarg_regs[2] = { + TCG_REG_EAX, + TCG_REG_EDX +}; static uint8_t *tb_ret_addr; @@ -55,14 +88,15 @@ static void patch_reloc(uint8_t *code_ptr, int type, { value += addend; switch(type) { - case R_386_32: - *(uint32_t *)code_ptr = value; - break; case R_386_PC32: - *(uint32_t *)code_ptr = value - (long)code_ptr; + value -= (uintptr_t)code_ptr; + if (value != (int32_t)value) { + tcg_abort(); + } + *(uint32_t *)code_ptr = value; break; case R_386_PC8: - value -= (long)code_ptr; + value -= (uintptr_t)code_ptr; if (value != (int8_t)value) { tcg_abort(); } @@ -76,6 +110,10 @@ static void patch_reloc(uint8_t *code_ptr, int type, /* maximum number of register used for input function arguments */ static inline int tcg_target_get_call_iarg_regs_count(int flags) { + if (TCG_TARGET_REG_BITS == 64) { + return 6; + } + flags &= TCG_CALL_TYPE_MASK; switch(flags) { case TCG_CALL_TYPE_STD: @@ -122,20 +160,42 @@ static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str) break; case 'q': ct->ct |= TCG_CT_REG; - tcg_regset_set32(ct->u.regs, 0, 0xf); + if (TCG_TARGET_REG_BITS == 64) { + tcg_regset_set32(ct->u.regs, 0, 0xffff); + } else { + tcg_regset_set32(ct->u.regs, 0, 0xf); + } break; case 'r': ct->ct |= TCG_CT_REG; - tcg_regset_set32(ct->u.regs, 0, 0xff); + if (TCG_TARGET_REG_BITS == 64) { + tcg_regset_set32(ct->u.regs, 0, 0xffff); + } else { + tcg_regset_set32(ct->u.regs, 0, 0xff); + } break; /* qemu_ld/st address constraint */ case 'L': ct->ct |= TCG_CT_REG; - tcg_regset_set32(ct->u.regs, 0, 0xff); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_EAX); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_EDX); + if (TCG_TARGET_REG_BITS == 64) { + tcg_regset_set32(ct->u.regs, 0, 0xffff); + tcg_regset_reset_reg(ct->u.regs, TCG_REG_RSI); + tcg_regset_reset_reg(ct->u.regs, TCG_REG_RDI); + } else { + tcg_regset_set32(ct->u.regs, 0, 0xff); + tcg_regset_reset_reg(ct->u.regs, TCG_REG_EAX); + tcg_regset_reset_reg(ct->u.regs, TCG_REG_EDX); + } + break; + + case 'e': + ct->ct |= TCG_CT_CONST_S32; + break; + case 'Z': + ct->ct |= TCG_CT_CONST_U32; break; + default: return -1; } @@ -148,16 +208,38 @@ static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str) static inline int tcg_target_const_match(tcg_target_long val, const TCGArgConstraint *arg_ct) { - int ct; - ct = arg_ct->ct; - if (ct & TCG_CT_CONST) + int ct = arg_ct->ct; + if (ct & TCG_CT_CONST) { return 1; - else - return 0; + } + if ((ct & TCG_CT_CONST_S32) && val == (int32_t)val) { + return 1; + } + if ((ct & TCG_CT_CONST_U32) && val == (uint32_t)val) { + return 1; + } + return 0; } +#if TCG_TARGET_REG_BITS == 64 +# define LOWREGMASK(x) ((x) & 7) +#else +# define LOWREGMASK(x) (x) +#endif + #define P_EXT 0x100 /* 0x0f opcode prefix */ #define P_DATA16 0x200 /* 0x66 opcode prefix */ +#if TCG_TARGET_REG_BITS == 64 +# define P_ADDR32 0x400 /* 0x67 opcode prefix */ +# define P_REXW 0x800 /* Set REX.W = 1 */ +# define P_REXB_R 0x1000 /* REG field as byte register */ +# define P_REXB_RM 0x2000 /* R/M field as byte register */ +#else +# define P_ADDR32 0 +# define P_REXW 0 +# define P_REXB_R 0 +# define P_REXB_RM 0 +#endif #define OPC_ARITH_EvIz (0x81) #define OPC_ARITH_EvIb (0x83) @@ -179,9 +261,11 @@ static inline int tcg_target_const_match(tcg_target_long val, #define OPC_MOVB_EvGv (0x88) /* stores, more or less */ #define OPC_MOVL_EvGv (0x89) /* stores, more or less */ #define OPC_MOVL_GvEv (0x8b) /* loads, more or less */ +#define OPC_MOVL_EvIz (0xc7) #define OPC_MOVL_Iv (0xb8) #define OPC_MOVSBL (0xbe | P_EXT) #define OPC_MOVSWL (0xbf | P_EXT) +#define OPC_MOVSLQ (0x63 | P_REXW) #define OPC_MOVZBL (0xb6 | P_EXT) #define OPC_MOVZWL (0xb7 | P_EXT) #define OPC_POP_r32 (0x58) @@ -189,7 +273,7 @@ static inline int tcg_target_const_match(tcg_target_long val, #define OPC_PUSH_Iv (0x68) #define OPC_PUSH_Ib (0x6a) #define OPC_RET (0xc3) -#define OPC_SETCC (0x90 | P_EXT) /* ... plus condition code */ +#define OPC_SETCC (0x90 | P_EXT | P_REXB_RM) /* ... plus cc */ #define OPC_SHIFT_1 (0xd1) #define OPC_SHIFT_Ib (0xc1) #define OPC_SHIFT_cl (0xd3) @@ -226,6 +310,8 @@ static inline int tcg_target_const_match(tcg_target_long val, #define EXT3_IDIV 7 /* Group 5 opcode extensions for 0xff. To be used with OPC_GRP5. */ +#define EXT5_INC_Ev 0 +#define EXT5_DEC_Ev 1 #define EXT5_CALLN_Ev 2 #define EXT5_JMPN_Ev 4 @@ -261,7 +347,45 @@ static const uint8_t tcg_cond_to_jcc[10] = { [TCG_COND_GTU] = JCC_JA, }; -static inline void tcg_out_opc(TCGContext *s, int opc) +#if TCG_TARGET_REG_BITS == 64 +static void tcg_out_opc(TCGContext *s, int opc, int r, int rm, int x) +{ + int rex; + + if (opc & P_DATA16) { + /* We should never be asking for both 16 and 64-bit operation. */ + assert((opc & P_REXW) == 0); + tcg_out8(s, 0x66); + } + if (opc & P_ADDR32) { + tcg_out8(s, 0x67); + } + + rex = 0; + rex |= (opc & P_REXW) >> 8; /* REX.W */ + rex |= (r & 8) >> 1; /* REX.R */ + rex |= (x & 8) >> 2; /* REX.X */ + rex |= (rm & 8) >> 3; /* REX.B */ + + /* P_REXB_{R,RM} indicates that the given register is the low byte. + For %[abcd]l we need no REX prefix, but for %{si,di,bp,sp}l we do, + as otherwise the encoding indicates %[abcd]h. Note that the values + that are ORed in merely indicate that the REX byte must be present; + those bits get discarded in output. */ + rex |= opc & (r >= 4 ? P_REXB_R : 0); + rex |= opc & (rm >= 4 ? P_REXB_RM : 0); + + if (rex) { + tcg_out8(s, (uint8_t)(rex | 0x40)); + } + + if (opc & P_EXT) { + tcg_out8(s, 0x0f); + } + tcg_out8(s, opc); +} +#else +static void tcg_out_opc(TCGContext *s, int opc) { if (opc & P_DATA16) { tcg_out8(s, 0x66); @@ -271,36 +395,69 @@ static inline void tcg_out_opc(TCGContext *s, int opc) } tcg_out8(s, opc); } +/* Discard the register arguments to tcg_out_opc early, so as not to penalize + the 32-bit compilation paths. This method works with all versions of gcc, + whereas relying on optimization may not be able to exclude them. */ +#define tcg_out_opc(s, opc, r, rm, x) (tcg_out_opc)(s, opc) +#endif -static inline void tcg_out_modrm(TCGContext *s, int opc, int r, int rm) +static void tcg_out_modrm(TCGContext *s, int opc, int r, int rm) { - tcg_out_opc(s, opc); - tcg_out8(s, 0xc0 | (r << 3) | rm); + tcg_out_opc(s, opc, r, rm, 0); + tcg_out8(s, 0xc0 | (LOWREGMASK(r) << 3) | LOWREGMASK(rm)); } /* Output an opcode with a full "rm + (index<code_ptr + 5 + ~rm; + tcg_target_long disp = offset - pc; + if (disp == (int32_t)disp) { + tcg_out_opc(s, opc, r, 0, 0); + tcg_out8(s, (LOWREGMASK(r) << 3) | 5); + tcg_out32(s, disp); + return; + } - tcg_out_opc(s, opc); + /* Try for an absolute address encoding. This requires the + use of the MODRM+SIB encoding and is therefore larger than + rip-relative addressing. */ + if (offset == (int32_t)offset) { + tcg_out_opc(s, opc, r, 0, 0); + tcg_out8(s, (LOWREGMASK(r) << 3) | 4); + tcg_out8(s, (4 << 3) | 5); + tcg_out32(s, offset); + return; + } + + /* ??? The memory isn't directly addressable. */ + tcg_abort(); + } else { + /* Absolute address. */ + tcg_out_opc(s, opc, r, 0, 0); + tcg_out8(s, (r << 3) | 5); + tcg_out32(s, offset); + return; + } + } /* Find the length of the immediate addend. Note that the encoding that would be used for (%ebp) indicates absolute addressing. */ - if (rm == -1) { + if (rm < 0) { mod = 0, len = 4, rm = 5; - } else if (offset == 0 && rm != TCG_REG_EBP) { + } else if (offset == 0 && LOWREGMASK(rm) != TCG_REG_EBP) { mod = 0, len = 0; } else if (offset == (int8_t)offset) { mod = 0x40, len = 1; @@ -310,22 +467,25 @@ static void tcg_out_modrm_sib_offset(TCGContext *s, int opc, int r, int rm, /* Use a single byte MODRM format if possible. Note that the encoding that would be used for %esp is the escape to the two byte form. */ - if (index == -1 && rm != TCG_REG_ESP) { + if (index < 0 && LOWREGMASK(rm) != TCG_REG_ESP) { /* Single byte MODRM format. */ - tcg_out8(s, mod | (r << 3) | rm); + tcg_out_opc(s, opc, r, rm, 0); + tcg_out8(s, mod | (LOWREGMASK(r) << 3) | LOWREGMASK(rm)); } else { /* Two byte MODRM+SIB format. */ /* Note that the encoding that would place %esp into the index - field indicates no index register. */ - if (index == -1) { + field indicates no index register. In 64-bit mode, the REX.X + bit counts, so %r12 can be used as the index. */ + if (index < 0) { index = 4; } else { assert(index != TCG_REG_ESP); } - tcg_out8(s, mod | (r << 3) | 4); - tcg_out8(s, (shift << 6) | (index << 3) | rm); + tcg_out_opc(s, opc, r, rm, index); + tcg_out8(s, mod | (LOWREGMASK(r) << 3) | 4); + tcg_out8(s, (shift << 6) | (LOWREGMASK(index) << 3) | LOWREGMASK(rm)); } if (len == 1) { @@ -335,9 +495,9 @@ static void tcg_out_modrm_sib_offset(TCGContext *s, int opc, int r, int rm, } } -/* rm == -1 means no register index */ -static inline void tcg_out_modrm_offset(TCGContext *s, int opc, int r, int rm, - int32_t offset) +/* A simplification of the above with no index or shift. */ +static inline void tcg_out_modrm_offset(TCGContext *s, int opc, int r, + int rm, tcg_target_long offset) { tcg_out_modrm_sib_offset(s, opc, r, rm, -1, 0, offset); } @@ -345,58 +505,75 @@ static inline void tcg_out_modrm_offset(TCGContext *s, int opc, int r, int rm, /* Generate dest op= src. Uses the same ARITH_* codes as tgen_arithi. */ static inline void tgen_arithr(TCGContext *s, int subop, int dest, int src) { - tcg_out_modrm(s, OPC_ARITH_GvEv + (subop << 3), dest, src); + /* Propagate an opcode prefix, such as P_REXW. */ + int ext = subop & ~0x7; + subop &= 0x7; + + tcg_out_modrm(s, OPC_ARITH_GvEv + (subop << 3) + ext, dest, src); } static inline void tcg_out_mov(TCGContext *s, TCGType type, int ret, int arg) { if (arg != ret) { - tcg_out_modrm(s, OPC_MOVL_GvEv, ret, arg); + int opc = OPC_MOVL_GvEv + (type == TCG_TYPE_I64 ? P_REXW : 0); + tcg_out_modrm(s, opc, ret, arg); } } -static inline void tcg_out_movi(TCGContext *s, TCGType type, - int ret, int32_t arg) +static void tcg_out_movi(TCGContext *s, TCGType type, + int ret, tcg_target_long arg) { if (arg == 0) { tgen_arithr(s, ARITH_XOR, ret, ret); + return; + } else if (arg == (uint32_t)arg || type == TCG_TYPE_I32) { + tcg_out_opc(s, OPC_MOVL_Iv + LOWREGMASK(ret), 0, ret, 0); + tcg_out32(s, arg); + } else if (arg == (int32_t)arg) { + tcg_out_modrm(s, OPC_MOVL_EvIz + P_REXW, 0, ret); + tcg_out32(s, arg); } else { - tcg_out8(s, OPC_MOVL_Iv + ret); + tcg_out_opc(s, OPC_MOVL_Iv + P_REXW + LOWREGMASK(ret), 0, ret, 0); tcg_out32(s, arg); + tcg_out32(s, arg >> 31 >> 1); } } static inline void tcg_out_pushi(TCGContext *s, tcg_target_long val) { if (val == (int8_t)val) { - tcg_out_opc(s, OPC_PUSH_Ib); + tcg_out_opc(s, OPC_PUSH_Ib, 0, 0, 0); tcg_out8(s, val); - } else { - tcg_out_opc(s, OPC_PUSH_Iv); + } else if (val == (int32_t)val) { + tcg_out_opc(s, OPC_PUSH_Iv, 0, 0, 0); tcg_out32(s, val); + } else { + tcg_abort(); } } static inline void tcg_out_push(TCGContext *s, int reg) { - tcg_out_opc(s, OPC_PUSH_r32 + reg); + tcg_out_opc(s, OPC_PUSH_r32 + LOWREGMASK(reg), 0, reg, 0); } static inline void tcg_out_pop(TCGContext *s, int reg) { - tcg_out_opc(s, OPC_POP_r32 + reg); + tcg_out_opc(s, OPC_POP_r32 + LOWREGMASK(reg), 0, reg, 0); } static inline void tcg_out_ld(TCGContext *s, TCGType type, int ret, int arg1, tcg_target_long arg2) { - tcg_out_modrm_offset(s, OPC_MOVL_GvEv, ret, arg1, arg2); + int opc = OPC_MOVL_GvEv + (type == TCG_TYPE_I64 ? P_REXW : 0); + tcg_out_modrm_offset(s, opc, ret, arg1, arg2); } static inline void tcg_out_st(TCGContext *s, TCGType type, int arg, int arg1, tcg_target_long arg2) { - tcg_out_modrm_offset(s, OPC_MOVL_EvGv, arg, arg1, arg2); + int opc = OPC_MOVL_EvGv + (type == TCG_TYPE_I64 ? P_REXW : 0); + tcg_out_modrm_offset(s, opc, arg, arg1, arg2); } static void tcg_out_shifti(TCGContext *s, int subopc, int reg, int count) @@ -406,35 +583,35 @@ static void tcg_out_shifti(TCGContext *s, int subopc, int reg, int count) subopc &= 0x7; if (count == 1) { - tcg_out_modrm(s, OPC_SHIFT_1 | ext, subopc, reg); + tcg_out_modrm(s, OPC_SHIFT_1 + ext, subopc, reg); } else { - tcg_out_modrm(s, OPC_SHIFT_Ib | ext, subopc, reg); + tcg_out_modrm(s, OPC_SHIFT_Ib + ext, subopc, reg); tcg_out8(s, count); } } static inline void tcg_out_bswap32(TCGContext *s, int reg) { - tcg_out_opc(s, OPC_BSWAP + reg); + tcg_out_opc(s, OPC_BSWAP + LOWREGMASK(reg), 0, reg, 0); } static inline void tcg_out_rolw_8(TCGContext *s, int reg) { - tcg_out_shifti(s, SHIFT_ROL | P_DATA16, reg, 8); + tcg_out_shifti(s, SHIFT_ROL + P_DATA16, reg, 8); } static inline void tcg_out_ext8u(TCGContext *s, int dest, int src) { /* movzbl */ - assert(src < 4); - tcg_out_modrm(s, OPC_MOVZBL, dest, src); + assert(src < 4 || TCG_TARGET_REG_BITS == 64); + tcg_out_modrm(s, OPC_MOVZBL + P_REXB_RM, dest, src); } -static void tcg_out_ext8s(TCGContext *s, int dest, int src) +static void tcg_out_ext8s(TCGContext *s, int dest, int src, int rexw) { /* movsbl */ - assert(src < 4); - tcg_out_modrm(s, OPC_MOVSBL, dest, src); + assert(src < 4 || TCG_TARGET_REG_BITS == 64); + tcg_out_modrm(s, OPC_MOVSBL + P_REXB_RM + rexw, dest, src); } static inline void tcg_out_ext16u(TCGContext *s, int dest, int src) @@ -443,38 +620,94 @@ static inline void tcg_out_ext16u(TCGContext *s, int dest, int src) tcg_out_modrm(s, OPC_MOVZWL, dest, src); } -static inline void tcg_out_ext16s(TCGContext *s, int dest, int src) +static inline void tcg_out_ext16s(TCGContext *s, int dest, int src, int rexw) { - /* movswl */ - tcg_out_modrm(s, OPC_MOVSWL, dest, src); + /* movsw[lq] */ + tcg_out_modrm(s, OPC_MOVSWL + rexw, dest, src); } -static inline void tgen_arithi(TCGContext *s, int c, int r0, - int32_t val, int cf) +static inline void tcg_out_ext32u(TCGContext *s, int dest, int src) { + /* 32-bit mov zero extends. */ + tcg_out_modrm(s, OPC_MOVL_GvEv, dest, src); +} + +static inline void tcg_out_ext32s(TCGContext *s, int dest, int src) +{ + tcg_out_modrm(s, OPC_MOVSLQ, dest, src); +} + +static inline void tcg_out_bswap64(TCGContext *s, int reg) +{ + tcg_out_opc(s, OPC_BSWAP + P_REXW + LOWREGMASK(reg), 0, reg, 0); +} + +static void tgen_arithi(TCGContext *s, int c, int r0, + tcg_target_long val, int cf) +{ + int rexw = 0; + + if (TCG_TARGET_REG_BITS == 64) { + rexw = c & -8; + c &= 7; + } + /* ??? While INC is 2 bytes shorter than ADDL $1, they also induce partial flags update stalls on Pentium4 and are not recommended by current Intel optimization manuals. */ if (!cf && (c == ARITH_ADD || c == ARITH_SUB) && (val == 1 || val == -1)) { - int opc = ((c == ARITH_ADD) ^ (val < 0) ? OPC_INC_r32 : OPC_DEC_r32); - tcg_out_opc(s, opc + r0); - } else if (val == (int8_t)val) { - tcg_out_modrm(s, OPC_ARITH_EvIb, c, r0); + _Bool is_inc = (c == ARITH_ADD) ^ (val < 0); + if (TCG_TARGET_REG_BITS == 64) { + /* The single-byte increment encodings are re-tasked as the + REX prefixes. Use the MODRM encoding. */ + tcg_out_modrm(s, OPC_GRP5 + rexw, + (is_inc ? EXT5_INC_Ev : EXT5_DEC_Ev), r0); + } else { + tcg_out8(s, (is_inc ? OPC_INC_r32 : OPC_DEC_r32) + r0); + } + return; + } + + if (c == ARITH_AND) { + if (TCG_TARGET_REG_BITS == 64) { + if (val == 0xffffffffu) { + tcg_out_ext32u(s, r0, r0); + return; + } + if (val == (uint32_t)val) { + /* AND with no high bits set can use a 32-bit operation. */ + rexw = 0; + } + } + if (val == 0xffu) { + tcg_out_ext8u(s, r0, r0); + return; + } + if (val == 0xffffu) { + tcg_out_ext16u(s, r0, r0); + return; + } + } + + if (val == (int8_t)val) { + tcg_out_modrm(s, OPC_ARITH_EvIb + rexw, c, r0); tcg_out8(s, val); - } else if (c == ARITH_AND && val == 0xffu && r0 < 4) { - tcg_out_ext8u(s, r0, r0); - } else if (c == ARITH_AND && val == 0xffffu) { - tcg_out_ext16u(s, r0, r0); - } else { - tcg_out_modrm(s, OPC_ARITH_EvIz, c, r0); + return; + } + if (rexw == 0 || val == (int32_t)val) { + tcg_out_modrm(s, OPC_ARITH_EvIz + rexw, c, r0); tcg_out32(s, val); + return; } + + tcg_abort(); } static void tcg_out_addi(TCGContext *s, int reg, tcg_target_long val) { - if (val != 0) - tgen_arithi(s, ARITH_ADD, reg, val, 0); + if (val != 0) { + tgen_arithi(s, ARITH_ADD + P_REXW, reg, val, 0); + } } /* Use SMALL != 0 to force a short forward branch. */ @@ -501,7 +734,7 @@ static void tcg_out_jxx(TCGContext *s, int opc, int label_index, int small) tcg_out8(s, OPC_JMP_long); tcg_out32(s, val - 5); } else { - tcg_out_opc(s, OPC_JCC_long + opc); + tcg_out_opc(s, OPC_JCC_long + opc, 0, 0, 0); tcg_out32(s, val - 6); } } @@ -517,7 +750,7 @@ static void tcg_out_jxx(TCGContext *s, int opc, int label_index, int small) if (opc == -1) { tcg_out8(s, OPC_JMP_long); } else { - tcg_out_opc(s, OPC_JCC_long + opc); + tcg_out_opc(s, OPC_JCC_long + opc, 0, 0, 0); } tcg_out_reloc(s, s->code_ptr, R_386_PC32, label_index, -4); s->code_ptr += 4; @@ -525,28 +758,37 @@ static void tcg_out_jxx(TCGContext *s, int opc, int label_index, int small) } static void tcg_out_cmp(TCGContext *s, TCGArg arg1, TCGArg arg2, - int const_arg2) + int const_arg2, int rexw) { if (const_arg2) { if (arg2 == 0) { /* test r, r */ - tcg_out_modrm(s, OPC_TESTL, arg1, arg1); + tcg_out_modrm(s, OPC_TESTL + rexw, arg1, arg1); } else { - tgen_arithi(s, ARITH_CMP, arg1, arg2, 0); + tgen_arithi(s, ARITH_CMP + rexw, arg1, arg2, 0); } } else { - tgen_arithr(s, ARITH_CMP, arg1, arg2); + tgen_arithr(s, ARITH_CMP + rexw, arg1, arg2); } } -static void tcg_out_brcond(TCGContext *s, TCGCond cond, - TCGArg arg1, TCGArg arg2, int const_arg2, - int label_index, int small) +static void tcg_out_brcond32(TCGContext *s, TCGCond cond, + TCGArg arg1, TCGArg arg2, int const_arg2, + int label_index, int small) { - tcg_out_cmp(s, arg1, arg2, const_arg2); + tcg_out_cmp(s, arg1, arg2, const_arg2, 0); tcg_out_jxx(s, tcg_cond_to_jcc[cond], label_index, small); } +#if TCG_TARGET_REG_BITS == 64 +static void tcg_out_brcond64(TCGContext *s, TCGCond cond, + TCGArg arg1, TCGArg arg2, int const_arg2, + int label_index, int small) +{ + tcg_out_cmp(s, arg1, arg2, const_arg2, P_REXW); + tcg_out_jxx(s, tcg_cond_to_jcc[cond], label_index, small); +} +#else /* XXX: we implement it at the target level to avoid having to handle cross basic blocks temporaries */ static void tcg_out_brcond2(TCGContext *s, const TCGArg *args, @@ -556,87 +798,97 @@ static void tcg_out_brcond2(TCGContext *s, const TCGArg *args, label_next = gen_new_label(); switch(args[4]) { case TCG_COND_EQ: - tcg_out_brcond(s, TCG_COND_NE, args[0], args[2], const_args[2], - label_next, 1); - tcg_out_brcond(s, TCG_COND_EQ, args[1], args[3], const_args[3], - args[5], small); + tcg_out_brcond32(s, TCG_COND_NE, args[0], args[2], const_args[2], + label_next, 1); + tcg_out_brcond32(s, TCG_COND_EQ, args[1], args[3], const_args[3], + args[5], small); break; case TCG_COND_NE: - tcg_out_brcond(s, TCG_COND_NE, args[0], args[2], const_args[2], - args[5], small); - tcg_out_brcond(s, TCG_COND_NE, args[1], args[3], const_args[3], - args[5], small); + tcg_out_brcond32(s, TCG_COND_NE, args[0], args[2], const_args[2], + args[5], small); + tcg_out_brcond32(s, TCG_COND_NE, args[1], args[3], const_args[3], + args[5], small); break; case TCG_COND_LT: - tcg_out_brcond(s, TCG_COND_LT, args[1], args[3], const_args[3], - args[5], small); + tcg_out_brcond32(s, TCG_COND_LT, args[1], args[3], const_args[3], + args[5], small); tcg_out_jxx(s, JCC_JNE, label_next, 1); - tcg_out_brcond(s, TCG_COND_LTU, args[0], args[2], const_args[2], - args[5], small); + tcg_out_brcond32(s, TCG_COND_LTU, args[0], args[2], const_args[2], + args[5], small); break; case TCG_COND_LE: - tcg_out_brcond(s, TCG_COND_LT, args[1], args[3], const_args[3], - args[5], small); + tcg_out_brcond32(s, TCG_COND_LT, args[1], args[3], const_args[3], + args[5], small); tcg_out_jxx(s, JCC_JNE, label_next, 1); - tcg_out_brcond(s, TCG_COND_LEU, args[0], args[2], const_args[2], - args[5], small); + tcg_out_brcond32(s, TCG_COND_LEU, args[0], args[2], const_args[2], + args[5], small); break; case TCG_COND_GT: - tcg_out_brcond(s, TCG_COND_GT, args[1], args[3], const_args[3], - args[5], small); + tcg_out_brcond32(s, TCG_COND_GT, args[1], args[3], const_args[3], + args[5], small); tcg_out_jxx(s, JCC_JNE, label_next, 1); - tcg_out_brcond(s, TCG_COND_GTU, args[0], args[2], const_args[2], - args[5], small); + tcg_out_brcond32(s, TCG_COND_GTU, args[0], args[2], const_args[2], + args[5], small); break; case TCG_COND_GE: - tcg_out_brcond(s, TCG_COND_GT, args[1], args[3], const_args[3], - args[5], small); + tcg_out_brcond32(s, TCG_COND_GT, args[1], args[3], const_args[3], + args[5], small); tcg_out_jxx(s, JCC_JNE, label_next, 1); - tcg_out_brcond(s, TCG_COND_GEU, args[0], args[2], const_args[2], - args[5], small); + tcg_out_brcond32(s, TCG_COND_GEU, args[0], args[2], const_args[2], + args[5], small); break; case TCG_COND_LTU: - tcg_out_brcond(s, TCG_COND_LTU, args[1], args[3], const_args[3], - args[5], small); + tcg_out_brcond32(s, TCG_COND_LTU, args[1], args[3], const_args[3], + args[5], small); tcg_out_jxx(s, JCC_JNE, label_next, 1); - tcg_out_brcond(s, TCG_COND_LTU, args[0], args[2], const_args[2], - args[5], small); + tcg_out_brcond32(s, TCG_COND_LTU, args[0], args[2], const_args[2], + args[5], small); break; case TCG_COND_LEU: - tcg_out_brcond(s, TCG_COND_LTU, args[1], args[3], const_args[3], - args[5], small); + tcg_out_brcond32(s, TCG_COND_LTU, args[1], args[3], const_args[3], + args[5], small); tcg_out_jxx(s, JCC_JNE, label_next, 1); - tcg_out_brcond(s, TCG_COND_LEU, args[0], args[2], const_args[2], - args[5], small); + tcg_out_brcond32(s, TCG_COND_LEU, args[0], args[2], const_args[2], + args[5], small); break; case TCG_COND_GTU: - tcg_out_brcond(s, TCG_COND_GTU, args[1], args[3], const_args[3], - args[5], small); + tcg_out_brcond32(s, TCG_COND_GTU, args[1], args[3], const_args[3], + args[5], small); tcg_out_jxx(s, JCC_JNE, label_next, 1); - tcg_out_brcond(s, TCG_COND_GTU, args[0], args[2], const_args[2], - args[5], small); + tcg_out_brcond32(s, TCG_COND_GTU, args[0], args[2], const_args[2], + args[5], small); break; case TCG_COND_GEU: - tcg_out_brcond(s, TCG_COND_GTU, args[1], args[3], const_args[3], - args[5], small); + tcg_out_brcond32(s, TCG_COND_GTU, args[1], args[3], const_args[3], + args[5], small); tcg_out_jxx(s, JCC_JNE, label_next, 1); - tcg_out_brcond(s, TCG_COND_GEU, args[0], args[2], const_args[2], - args[5], small); + tcg_out_brcond32(s, TCG_COND_GEU, args[0], args[2], const_args[2], + args[5], small); break; default: tcg_abort(); } tcg_out_label(s, label_next, (tcg_target_long)s->code_ptr); } +#endif -static void tcg_out_setcond(TCGContext *s, TCGCond cond, TCGArg dest, - TCGArg arg1, TCGArg arg2, int const_arg2) +static void tcg_out_setcond32(TCGContext *s, TCGCond cond, TCGArg dest, + TCGArg arg1, TCGArg arg2, int const_arg2) { - tcg_out_cmp(s, arg1, arg2, const_arg2); + tcg_out_cmp(s, arg1, arg2, const_arg2, 0); tcg_out_modrm(s, OPC_SETCC | tcg_cond_to_jcc[cond], 0, dest); tcg_out_ext8u(s, dest, dest); } +#if TCG_TARGET_REG_BITS == 64 +static void tcg_out_setcond64(TCGContext *s, TCGCond cond, TCGArg dest, + TCGArg arg1, TCGArg arg2, int const_arg2) +{ + tcg_out_cmp(s, arg1, arg2, const_arg2, P_REXW); + tcg_out_modrm(s, OPC_SETCC | tcg_cond_to_jcc[cond], 0, dest); + tcg_out_ext8u(s, dest, dest); +} +#else static void tcg_out_setcond2(TCGContext *s, const TCGArg *args, const int *const_args) { @@ -678,11 +930,30 @@ static void tcg_out_setcond2(TCGContext *s, const TCGArg *args, tcg_out_label(s, label_over, (tcg_target_long)s->code_ptr); } } +#endif + +static void tcg_out_branch(TCGContext *s, int call, tcg_target_long dest) +{ + tcg_target_long disp = dest - (tcg_target_long)s->code_ptr - 5; + + if (disp == (int32_t)disp) { + tcg_out_opc(s, call ? OPC_CALL_Jz : OPC_JMP_long, 0, 0, 0); + tcg_out32(s, disp); + } else { + tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R10, dest); + tcg_out_modrm(s, OPC_GRP5, + call ? EXT5_CALLN_Ev : EXT5_JMPN_Ev, TCG_REG_R10); + } +} + +static inline void tcg_out_calli(TCGContext *s, tcg_target_long dest) +{ + tcg_out_branch(s, 1, dest); +} -static void tcg_out_calli(TCGContext *s, tcg_target_long dest) +static void tcg_out_jmp(TCGContext *s, tcg_target_long dest) { - tcg_out_opc(s, OPC_CALL_Jz); - tcg_out32(s, dest - (tcg_target_long)s->code_ptr - 4); + tcg_out_branch(s, 0, dest); } #if defined(CONFIG_SOFTMMU) @@ -718,11 +989,12 @@ static void *qemu_st_helpers[4] = { LABEL_PTRS is filled with 1 (32-bit addresses) or 2 (64-bit addresses) positions of the displacements of forward jumps to the TLB miss case. - EAX is loaded with the low part of the address. In the TLB hit case, - it has been adjusted as indicated by the TLB and so is a host address. - In the TLB miss case, it continues to hold a guest address. + First argument register is loaded with the low part of the address. + In the TLB hit case, it has been adjusted as indicated by the TLB + and so is a host address. In the TLB miss case, it continues to + hold a guest address. - EDX is clobbered. */ + Second argument register is clobbered. */ static inline void tcg_out_tlb_load(TCGContext *s, int addrlo_idx, int mem_index, int s_bits, @@ -730,32 +1002,42 @@ static inline void tcg_out_tlb_load(TCGContext *s, int addrlo_idx, uint8_t **label_ptr, int which) { const int addrlo = args[addrlo_idx]; - const int r0 = TCG_REG_EAX; - const int r1 = TCG_REG_EDX; + const int r0 = tcg_target_call_iarg_regs[0]; + const int r1 = tcg_target_call_iarg_regs[1]; + TCGType type = TCG_TYPE_I32; + int rexw = 0; + + if (TCG_TARGET_REG_BITS == 64 && TARGET_LONG_BITS == 64) { + type = TCG_TYPE_I64; + rexw = P_REXW; + } - tcg_out_mov(s, TCG_TYPE_I32, r1, addrlo); - tcg_out_mov(s, TCG_TYPE_I32, r0, addrlo); + tcg_out_mov(s, type, r1, addrlo); + tcg_out_mov(s, type, r0, addrlo); - tcg_out_shifti(s, SHIFT_SHR, r1, TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS); + tcg_out_shifti(s, SHIFT_SHR + rexw, r1, + TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS); - tgen_arithi(s, ARITH_AND, r0, TARGET_PAGE_MASK | ((1 << s_bits) - 1), 0); - tgen_arithi(s, ARITH_AND, r1, (CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS, 0); + tgen_arithi(s, ARITH_AND + rexw, r0, + TARGET_PAGE_MASK | ((1 << s_bits) - 1), 0); + tgen_arithi(s, ARITH_AND + rexw, r1, + (CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS, 0); - tcg_out_modrm_sib_offset(s, OPC_LEA, r1, TCG_AREG0, r1, 0, + tcg_out_modrm_sib_offset(s, OPC_LEA + P_REXW, r1, TCG_AREG0, r1, 0, offsetof(CPUState, tlb_table[mem_index][0]) + which); /* cmp 0(r1), r0 */ - tcg_out_modrm_offset(s, OPC_CMP_GvEv, r0, r1, 0); + tcg_out_modrm_offset(s, OPC_CMP_GvEv + rexw, r0, r1, 0); - tcg_out_mov(s, TCG_TYPE_I32, r0, addrlo); + tcg_out_mov(s, type, r0, addrlo); /* jne label1 */ tcg_out8(s, OPC_JCC_short + JCC_JNE); label_ptr[0] = s->code_ptr; s->code_ptr++; - if (TARGET_LONG_BITS == 64) { + if (TARGET_LONG_BITS > TCG_TARGET_REG_BITS) { /* cmp 4(r1), addrhi */ tcg_out_modrm_offset(s, OPC_CMP_GvEv, args[addrlo_idx+1], r1, 4); @@ -768,7 +1050,7 @@ static inline void tcg_out_tlb_load(TCGContext *s, int addrlo_idx, /* TLB Hit. */ /* add addend(r1), r0 */ - tcg_out_modrm_offset(s, OPC_ADD_GvEv, r0, r1, + tcg_out_modrm_offset(s, OPC_ADD_GvEv + P_REXW, r0, r1, offsetof(CPUTLBEntry, addend) - which); } #endif @@ -783,26 +1065,24 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, int datalo, int datahi, #endif switch (sizeop) { case 0: - /* movzbl */ tcg_out_modrm_offset(s, OPC_MOVZBL, datalo, base, ofs); break; case 0 | 4: - /* movsbl */ - tcg_out_modrm_offset(s, OPC_MOVSBL, datalo, base, ofs); + tcg_out_modrm_offset(s, OPC_MOVSBL + P_REXW, datalo, base, ofs); break; case 1: - /* movzwl */ tcg_out_modrm_offset(s, OPC_MOVZWL, datalo, base, ofs); if (bswap) { tcg_out_rolw_8(s, datalo); } break; case 1 | 4: - /* movswl */ - tcg_out_modrm_offset(s, OPC_MOVSWL, datalo, base, ofs); if (bswap) { + tcg_out_modrm_offset(s, OPC_MOVZWL, datalo, base, ofs); tcg_out_rolw_8(s, datalo); - tcg_out_modrm(s, OPC_MOVSWL, datalo, datalo); + tcg_out_modrm(s, OPC_MOVSWL + P_REXW, datalo, datalo); + } else { + tcg_out_modrm_offset(s, OPC_MOVSWL + P_REXW, datalo, base, ofs); } break; case 2: @@ -811,22 +1091,40 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, int datalo, int datahi, tcg_out_bswap32(s, datalo); } break; - case 3: +#if TCG_TARGET_REG_BITS == 64 + case 2 | 4: if (bswap) { - int t = datalo; - datalo = datahi; - datahi = t; - } - if (base != datalo) { tcg_out_ld(s, TCG_TYPE_I32, datalo, base, ofs); - tcg_out_ld(s, TCG_TYPE_I32, datahi, base, ofs + 4); + tcg_out_bswap32(s, datalo); + tcg_out_ext32s(s, datalo, datalo); } else { - tcg_out_ld(s, TCG_TYPE_I32, datahi, base, ofs + 4); - tcg_out_ld(s, TCG_TYPE_I32, datalo, base, ofs); + tcg_out_modrm_offset(s, OPC_MOVSLQ, datalo, base, ofs); } - if (bswap) { - tcg_out_bswap32(s, datalo); - tcg_out_bswap32(s, datahi); + break; +#endif + case 3: + if (TCG_TARGET_REG_BITS == 64) { + tcg_out_ld(s, TCG_TYPE_I64, datalo, base, ofs); + if (bswap) { + tcg_out_bswap64(s, datalo); + } + } else { + if (bswap) { + int t = datalo; + datalo = datahi; + datahi = t; + } + if (base != datalo) { + tcg_out_ld(s, TCG_TYPE_I32, datalo, base, ofs); + tcg_out_ld(s, TCG_TYPE_I32, datahi, base, ofs + 4); + } else { + tcg_out_ld(s, TCG_TYPE_I32, datahi, base, ofs + 4); + tcg_out_ld(s, TCG_TYPE_I32, datalo, base, ofs); + } + if (bswap) { + tcg_out_bswap32(s, datalo); + tcg_out_bswap32(s, datahi); + } } break; default: @@ -849,20 +1147,21 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, data_reg = args[0]; addrlo_idx = 1; - if (opc == 3) { + if (TCG_TARGET_REG_BITS == 32 && opc == 3) { data_reg2 = args[1]; addrlo_idx = 2; } #if defined(CONFIG_SOFTMMU) - mem_index = args[addrlo_idx + (TARGET_LONG_BITS / 32)]; + mem_index = args[addrlo_idx + 1 + (TARGET_LONG_BITS > TCG_TARGET_REG_BITS)]; s_bits = opc & 3; tcg_out_tlb_load(s, addrlo_idx, mem_index, s_bits, args, label_ptr, offsetof(CPUTLBEntry, addr_read)); /* TLB Hit. */ - tcg_out_qemu_ld_direct(s, data_reg, data_reg2, TCG_REG_EAX, 0, opc); + tcg_out_qemu_ld_direct(s, data_reg, data_reg2, + tcg_target_call_iarg_regs[0], 0, opc); /* jmp label2 */ tcg_out8(s, OPC_JMP_short); @@ -873,14 +1172,14 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, /* label1: */ *label_ptr[0] = s->code_ptr - label_ptr[0] - 1; - if (TARGET_LONG_BITS == 64) { + if (TARGET_LONG_BITS > TCG_TARGET_REG_BITS) { *label_ptr[1] = s->code_ptr - label_ptr[1] - 1; } /* XXX: move that code at the end of the TB */ - /* EAX is already loaded. */ + /* The first argument is already loaded with addrlo. */ arg_idx = 1; - if (TARGET_LONG_BITS == 64) { + if (TCG_TARGET_REG_BITS == 32 && TARGET_LONG_BITS == 64) { tcg_out_mov(s, TCG_TYPE_I32, tcg_target_call_iarg_regs[arg_idx++], args[addrlo_idx + 1]); } @@ -890,10 +1189,10 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, switch(opc) { case 0 | 4: - tcg_out_ext8s(s, data_reg, TCG_REG_EAX); + tcg_out_ext8s(s, data_reg, TCG_REG_EAX, P_REXW); break; case 1 | 4: - tcg_out_ext16s(s, data_reg, TCG_REG_EAX); + tcg_out_ext16s(s, data_reg, TCG_REG_EAX, P_REXW); break; case 0: tcg_out_ext8u(s, data_reg, TCG_REG_EAX); @@ -902,26 +1201,52 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, tcg_out_ext16u(s, data_reg, TCG_REG_EAX); break; case 2: - default: tcg_out_mov(s, TCG_TYPE_I32, data_reg, TCG_REG_EAX); break; +#if TCG_TARGET_REG_BITS == 64 + case 2 | 4: + tcg_out_ext32s(s, data_reg, TCG_REG_EAX); + break; +#endif case 3: - if (data_reg == TCG_REG_EDX) { + if (TCG_TARGET_REG_BITS == 64) { + tcg_out_mov(s, TCG_TYPE_I64, data_reg, TCG_REG_RAX); + } else if (data_reg == TCG_REG_EDX) { /* xchg %edx, %eax */ - tcg_out_opc(s, OPC_XCHG_ax_r32 + TCG_REG_EDX); + tcg_out_opc(s, OPC_XCHG_ax_r32 + TCG_REG_EDX, 0, 0, 0); tcg_out_mov(s, TCG_TYPE_I32, data_reg2, TCG_REG_EAX); } else { tcg_out_mov(s, TCG_TYPE_I32, data_reg, TCG_REG_EAX); tcg_out_mov(s, TCG_TYPE_I32, data_reg2, TCG_REG_EDX); } break; + default: + tcg_abort(); } /* label2: */ *label_ptr[2] = s->code_ptr - label_ptr[2] - 1; #else - tcg_out_qemu_ld_direct(s, data_reg, data_reg2, - args[addrlo_idx], GUEST_BASE, opc); + { + int32_t offset = GUEST_BASE; + int base = args[addrlo_idx]; + + if (TCG_TARGET_REG_BITS == 64) { + /* ??? We assume all operations have left us with register + contents that are zero extended. So far this appears to + be true. If we want to enforce this, we can either do + an explicit zero-extension here, or (if GUEST_BASE == 0) + use the ADDR32 prefix. For now, do nothing. */ + + if (offset != GUEST_BASE) { + tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_RDI, GUEST_BASE); + tgen_arithr(s, ARITH_ADD + P_REXW, TCG_REG_RDI, base); + base = TCG_REG_RDI, offset = 0; + } + } + + tcg_out_qemu_ld_direct(s, data_reg, data_reg2, base, offset, opc); + } #endif } @@ -936,12 +1261,12 @@ static void tcg_out_qemu_st_direct(TCGContext *s, int datalo, int datahi, /* ??? Ideally we wouldn't need a scratch register. For user-only, we could perform the bswap twice to restore the original value instead of moving to the scratch. But as it is, the L constraint - means that EDX is definitely free here. */ - int scratch = TCG_REG_EDX; + means that the second argument reg is definitely free here. */ + int scratch = tcg_target_call_iarg_regs[1]; switch (sizeop) { case 0: - tcg_out_modrm_offset(s, OPC_MOVB_EvGv, datalo, base, ofs); + tcg_out_modrm_offset(s, OPC_MOVB_EvGv + P_REXB_R, datalo, base, ofs); break; case 1: if (bswap) { @@ -949,9 +1274,7 @@ static void tcg_out_qemu_st_direct(TCGContext *s, int datalo, int datahi, tcg_out_rolw_8(s, scratch); datalo = scratch; } - /* movw */ - tcg_out_modrm_offset(s, OPC_MOVL_EvGv | P_DATA16, - datalo, base, ofs); + tcg_out_modrm_offset(s, OPC_MOVL_EvGv + P_DATA16, datalo, base, ofs); break; case 2: if (bswap) { @@ -962,7 +1285,14 @@ static void tcg_out_qemu_st_direct(TCGContext *s, int datalo, int datahi, tcg_out_st(s, TCG_TYPE_I32, datalo, base, ofs); break; case 3: - if (bswap) { + if (TCG_TARGET_REG_BITS == 64) { + if (bswap) { + tcg_out_mov(s, TCG_TYPE_I64, scratch, datalo); + tcg_out_bswap64(s, scratch); + datalo = scratch; + } + tcg_out_st(s, TCG_TYPE_I64, datalo, base, ofs); + } else if (bswap) { tcg_out_mov(s, TCG_TYPE_I32, scratch, datahi); tcg_out_bswap32(s, scratch); tcg_out_st(s, TCG_TYPE_I32, scratch, base, ofs); @@ -992,20 +1322,21 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, data_reg = args[0]; addrlo_idx = 1; - if (opc == 3) { + if (TCG_TARGET_REG_BITS == 32 && opc == 3) { data_reg2 = args[1]; addrlo_idx = 2; } #if defined(CONFIG_SOFTMMU) - mem_index = args[addrlo_idx + (TARGET_LONG_BITS / 32)]; + mem_index = args[addrlo_idx + 1 + (TARGET_LONG_BITS > TCG_TARGET_REG_BITS)]; s_bits = opc; tcg_out_tlb_load(s, addrlo_idx, mem_index, s_bits, args, label_ptr, offsetof(CPUTLBEntry, addr_write)); /* TLB Hit. */ - tcg_out_qemu_st_direct(s, data_reg, data_reg2, TCG_REG_EAX, 0, opc); + tcg_out_qemu_st_direct(s, data_reg, data_reg2, + tcg_target_call_iarg_regs[0], 0, opc); /* jmp label2 */ tcg_out8(s, OPC_JMP_short); @@ -1016,12 +1347,17 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, /* label1: */ *label_ptr[0] = s->code_ptr - label_ptr[0] - 1; - if (TARGET_LONG_BITS == 64) { + if (TARGET_LONG_BITS > TCG_TARGET_REG_BITS) { *label_ptr[1] = s->code_ptr - label_ptr[1] - 1; } /* XXX: move that code at the end of the TB */ - if (TARGET_LONG_BITS == 32) { + if (TCG_TARGET_REG_BITS == 64) { + tcg_out_mov(s, (opc == 3 ? TCG_TYPE_I64 : TCG_TYPE_I32), + TCG_REG_RSI, data_reg); + tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_RDX, mem_index); + stack_adjust = 0; + } else if (TARGET_LONG_BITS == 32) { tcg_out_mov(s, TCG_TYPE_I32, TCG_REG_EDX, data_reg); if (opc == 3) { tcg_out_mov(s, TCG_TYPE_I32, TCG_REG_ECX, data_reg2); @@ -1058,7 +1394,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, tcg_out_calli(s, (tcg_target_long)qemu_st_helpers[s_bits]); - if (stack_adjust == 4) { + if (stack_adjust == (TCG_TARGET_REG_BITS / 8)) { /* Pop and discard. This is 2 bytes smaller than the add. */ tcg_out_pop(s, TCG_REG_ECX); } else if (stack_adjust != 0) { @@ -1068,21 +1404,48 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, /* label2: */ *label_ptr[2] = s->code_ptr - label_ptr[2] - 1; #else - tcg_out_qemu_st_direct(s, data_reg, data_reg2, - args[addrlo_idx], GUEST_BASE, opc); + { + int32_t offset = GUEST_BASE; + int base = args[addrlo_idx]; + + if (TCG_TARGET_REG_BITS == 64) { + /* ??? We assume all operations have left us with register + contents that are zero extended. So far this appears to + be true. If we want to enforce this, we can either do + an explicit zero-extension here, or (if GUEST_BASE == 0) + use the ADDR32 prefix. For now, do nothing. */ + + if (offset != GUEST_BASE) { + tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_RDI, GUEST_BASE); + tgen_arithr(s, ARITH_ADD + P_REXW, TCG_REG_RDI, base); + base = TCG_REG_RDI, offset = 0; + } + } + + tcg_out_qemu_st_direct(s, data_reg, data_reg2, base, offset, opc); + } #endif } static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, const int *const_args) { - int c; + int c, rexw = 0; + +#if TCG_TARGET_REG_BITS == 64 +# define OP_32_64(x) \ + case glue(glue(INDEX_op_, x), _i64): \ + rexw = P_REXW; /* FALLTHRU */ \ + case glue(glue(INDEX_op_, x), _i32) +#else +# define OP_32_64(x) \ + case glue(glue(INDEX_op_, x), _i32) +#endif switch(opc) { case INDEX_op_exit_tb: - tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_EAX, args[0]); - tcg_out8(s, OPC_JMP_long); /* jmp tb_ret_addr */ - tcg_out32(s, tb_ret_addr - s->code_ptr - 4); + tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_EAX, args[0]); + tcg_out_jmp(s, (tcg_target_long) tb_ret_addr); break; case INDEX_op_goto_tb: if (s->tb_jmp_offset) { @@ -1107,8 +1470,7 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, break; case INDEX_op_jmp: if (const_args[0]) { - tcg_out8(s, OPC_JMP_long); - tcg_out32(s, args[0] - (tcg_target_long)s->code_ptr - 4); + tcg_out_jmp(s, args[0]); } else { /* jmp *reg */ tcg_out_modrm(s, OPC_GRP5, EXT5_JMPN_Ev, args[0]); @@ -1120,38 +1482,43 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, case INDEX_op_movi_i32: tcg_out_movi(s, TCG_TYPE_I32, args[0], args[1]); break; - case INDEX_op_ld8u_i32: - /* movzbl */ + OP_32_64(ld8u): + /* Note that we can ignore REXW for the zero-extend to 64-bit. */ tcg_out_modrm_offset(s, OPC_MOVZBL, args[0], args[1], args[2]); break; - case INDEX_op_ld8s_i32: - /* movsbl */ - tcg_out_modrm_offset(s, OPC_MOVSBL, args[0], args[1], args[2]); + OP_32_64(ld8s): + tcg_out_modrm_offset(s, OPC_MOVSBL + rexw, args[0], args[1], args[2]); break; - case INDEX_op_ld16u_i32: - /* movzwl */ + OP_32_64(ld16u): + /* Note that we can ignore REXW for the zero-extend to 64-bit. */ tcg_out_modrm_offset(s, OPC_MOVZWL, args[0], args[1], args[2]); break; - case INDEX_op_ld16s_i32: - /* movswl */ - tcg_out_modrm_offset(s, OPC_MOVSWL, args[0], args[1], args[2]); + OP_32_64(ld16s): + tcg_out_modrm_offset(s, OPC_MOVSWL + rexw, args[0], args[1], args[2]); break; +#if TCG_TARGET_REG_BITS == 64 + case INDEX_op_ld32u_i64: +#endif case INDEX_op_ld_i32: tcg_out_ld(s, TCG_TYPE_I32, args[0], args[1], args[2]); break; - case INDEX_op_st8_i32: - /* movb */ - tcg_out_modrm_offset(s, OPC_MOVB_EvGv, args[0], args[1], args[2]); + + OP_32_64(st8): + tcg_out_modrm_offset(s, OPC_MOVB_EvGv | P_REXB_R, + args[0], args[1], args[2]); break; - case INDEX_op_st16_i32: - /* movw */ + OP_32_64(st16): tcg_out_modrm_offset(s, OPC_MOVL_EvGv | P_DATA16, args[0], args[1], args[2]); break; +#if TCG_TARGET_REG_BITS == 64 + case INDEX_op_st32_i64: +#endif case INDEX_op_st_i32: tcg_out_st(s, TCG_TYPE_I32, args[0], args[1], args[2]); break; - case INDEX_op_add_i32: + + OP_32_64(add): /* For 3-operand addition, use LEA. */ if (args[0] != args[1]) { TCGArg a0 = args[0], a1 = args[1], a2 = args[2], c3 = 0; @@ -1161,147 +1528,117 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, } else if (a0 == a2) { /* Watch out for dest = src + dest, since we've removed the matching constraint on the add. */ - tgen_arithr(s, ARITH_ADD, a0, a1); + tgen_arithr(s, ARITH_ADD + rexw, a0, a1); break; } - tcg_out_modrm_sib_offset(s, OPC_LEA, a0, a1, a2, 0, c3); + tcg_out_modrm_sib_offset(s, OPC_LEA + rexw, a0, a1, a2, 0, c3); break; } c = ARITH_ADD; goto gen_arith; - case INDEX_op_sub_i32: + OP_32_64(sub): c = ARITH_SUB; goto gen_arith; - case INDEX_op_and_i32: + OP_32_64(and): c = ARITH_AND; goto gen_arith; - case INDEX_op_or_i32: + OP_32_64(or): c = ARITH_OR; goto gen_arith; - case INDEX_op_xor_i32: + OP_32_64(xor): c = ARITH_XOR; goto gen_arith; gen_arith: if (const_args[2]) { - tgen_arithi(s, c, args[0], args[2], 0); + tgen_arithi(s, c + rexw, args[0], args[2], 0); } else { - tgen_arithr(s, c, args[0], args[2]); + tgen_arithr(s, c + rexw, args[0], args[2]); } break; - case INDEX_op_mul_i32: + + OP_32_64(mul): if (const_args[2]) { int32_t val; val = args[2]; if (val == (int8_t)val) { - tcg_out_modrm(s, OPC_IMUL_GvEvIb, args[0], args[0]); + tcg_out_modrm(s, OPC_IMUL_GvEvIb + rexw, args[0], args[0]); tcg_out8(s, val); } else { - tcg_out_modrm(s, OPC_IMUL_GvEvIz, args[0], args[0]); + tcg_out_modrm(s, OPC_IMUL_GvEvIz + rexw, args[0], args[0]); tcg_out32(s, val); } } else { - tcg_out_modrm(s, OPC_IMUL_GvEv, args[0], args[2]); + tcg_out_modrm(s, OPC_IMUL_GvEv + rexw, args[0], args[2]); } break; - case INDEX_op_mulu2_i32: - tcg_out_modrm(s, OPC_GRP3_Ev, EXT3_MUL, args[3]); - break; - case INDEX_op_div2_i32: - tcg_out_modrm(s, OPC_GRP3_Ev, EXT3_IDIV, args[4]); + + OP_32_64(div2): + tcg_out_modrm(s, OPC_GRP3_Ev + rexw, EXT3_IDIV, args[4]); break; - case INDEX_op_divu2_i32: - tcg_out_modrm(s, OPC_GRP3_Ev, EXT3_DIV, args[4]); + OP_32_64(divu2): + tcg_out_modrm(s, OPC_GRP3_Ev + rexw, EXT3_DIV, args[4]); break; - case INDEX_op_shl_i32: + + OP_32_64(shl): c = SHIFT_SHL; - gen_shift32: - if (const_args[2]) { - tcg_out_shifti(s, c, args[0], args[2]); - } else { - tcg_out_modrm(s, OPC_SHIFT_cl, c, args[0]); - } - break; - case INDEX_op_shr_i32: + goto gen_shift; + OP_32_64(shr): c = SHIFT_SHR; - goto gen_shift32; - case INDEX_op_sar_i32: + goto gen_shift; + OP_32_64(sar): c = SHIFT_SAR; - goto gen_shift32; - case INDEX_op_rotl_i32: + goto gen_shift; + OP_32_64(rotl): c = SHIFT_ROL; - goto gen_shift32; - case INDEX_op_rotr_i32: + goto gen_shift; + OP_32_64(rotr): c = SHIFT_ROR; - goto gen_shift32; - - case INDEX_op_add2_i32: - if (const_args[4]) { - tgen_arithi(s, ARITH_ADD, args[0], args[4], 1); - } else { - tgen_arithr(s, ARITH_ADD, args[0], args[4]); - } - if (const_args[5]) { - tgen_arithi(s, ARITH_ADC, args[1], args[5], 1); + goto gen_shift; + gen_shift: + if (const_args[2]) { + tcg_out_shifti(s, c + rexw, args[0], args[2]); } else { - tgen_arithr(s, ARITH_ADC, args[1], args[5]); - } - break; - case INDEX_op_sub2_i32: - if (const_args[4]) { - tgen_arithi(s, ARITH_SUB, args[0], args[4], 1); - } else { - tgen_arithr(s, ARITH_SUB, args[0], args[4]); - } - if (const_args[5]) { - tgen_arithi(s, ARITH_SBB, args[1], args[5], 1); - } else { - tgen_arithr(s, ARITH_SBB, args[1], args[5]); + tcg_out_modrm(s, OPC_SHIFT_cl + rexw, c, args[0]); } break; + case INDEX_op_brcond_i32: - tcg_out_brcond(s, args[2], args[0], args[1], const_args[1], - args[3], 0); + tcg_out_brcond32(s, args[2], args[0], args[1], const_args[1], + args[3], 0); break; - case INDEX_op_brcond2_i32: - tcg_out_brcond2(s, args, const_args, 0); + case INDEX_op_setcond_i32: + tcg_out_setcond32(s, args[3], args[0], args[1], + args[2], const_args[2]); break; - case INDEX_op_bswap16_i32: + OP_32_64(bswap16): tcg_out_rolw_8(s, args[0]); break; - case INDEX_op_bswap32_i32: + OP_32_64(bswap32): tcg_out_bswap32(s, args[0]); break; - case INDEX_op_neg_i32: - tcg_out_modrm(s, OPC_GRP3_Ev, EXT3_NEG, args[0]); + OP_32_64(neg): + tcg_out_modrm(s, OPC_GRP3_Ev + rexw, EXT3_NEG, args[0]); break; - - case INDEX_op_not_i32: - tcg_out_modrm(s, OPC_GRP3_Ev, EXT3_NOT, args[0]); + OP_32_64(not): + tcg_out_modrm(s, OPC_GRP3_Ev + rexw, EXT3_NOT, args[0]); break; - case INDEX_op_ext8s_i32: - tcg_out_ext8s(s, args[0], args[1]); + OP_32_64(ext8s): + tcg_out_ext8s(s, args[0], args[1], rexw); break; - case INDEX_op_ext16s_i32: - tcg_out_ext16s(s, args[0], args[1]); + OP_32_64(ext16s): + tcg_out_ext16s(s, args[0], args[1], rexw); break; - case INDEX_op_ext8u_i32: + OP_32_64(ext8u): tcg_out_ext8u(s, args[0], args[1]); break; - case INDEX_op_ext16u_i32: + OP_32_64(ext16u): tcg_out_ext16u(s, args[0], args[1]); break; - case INDEX_op_setcond_i32: - tcg_out_setcond(s, args[3], args[0], args[1], args[2], const_args[2]); - break; - case INDEX_op_setcond2_i32: - tcg_out_setcond2(s, args, const_args); - break; - case INDEX_op_qemu_ld8u: tcg_out_qemu_ld(s, args, 0); break; @@ -1314,6 +1651,9 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, case INDEX_op_qemu_ld16s: tcg_out_qemu_ld(s, args, 1 | 4); break; +#if TCG_TARGET_REG_BITS == 64 + case INDEX_op_qemu_ld32u: +#endif case INDEX_op_qemu_ld32: tcg_out_qemu_ld(s, args, 2); break; @@ -1334,9 +1674,82 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, tcg_out_qemu_st(s, args, 3); break; +#if TCG_TARGET_REG_BITS == 32 + case INDEX_op_brcond2_i32: + tcg_out_brcond2(s, args, const_args, 0); + break; + case INDEX_op_setcond2_i32: + tcg_out_setcond2(s, args, const_args); + break; + case INDEX_op_mulu2_i32: + tcg_out_modrm(s, OPC_GRP3_Ev, EXT3_MUL, args[3]); + break; + case INDEX_op_add2_i32: + if (const_args[4]) { + tgen_arithi(s, ARITH_ADD, args[0], args[4], 1); + } else { + tgen_arithr(s, ARITH_ADD, args[0], args[4]); + } + if (const_args[5]) { + tgen_arithi(s, ARITH_ADC, args[1], args[5], 1); + } else { + tgen_arithr(s, ARITH_ADC, args[1], args[5]); + } + break; + case INDEX_op_sub2_i32: + if (const_args[4]) { + tgen_arithi(s, ARITH_SUB, args[0], args[4], 1); + } else { + tgen_arithr(s, ARITH_SUB, args[0], args[4]); + } + if (const_args[5]) { + tgen_arithi(s, ARITH_SBB, args[1], args[5], 1); + } else { + tgen_arithr(s, ARITH_SBB, args[1], args[5]); + } + break; +#else /* TCG_TARGET_REG_BITS == 64 */ + case INDEX_op_movi_i64: + tcg_out_movi(s, TCG_TYPE_I64, args[0], args[1]); + break; + case INDEX_op_ld32s_i64: + tcg_out_modrm_offset(s, OPC_MOVSLQ, args[0], args[1], args[2]); + break; + case INDEX_op_ld_i64: + tcg_out_ld(s, TCG_TYPE_I64, args[0], args[1], args[2]); + break; + case INDEX_op_st_i64: + tcg_out_st(s, TCG_TYPE_I64, args[0], args[1], args[2]); + break; + case INDEX_op_qemu_ld32s: + tcg_out_qemu_ld(s, args, 2 | 4); + break; + + case INDEX_op_brcond_i64: + tcg_out_brcond64(s, args[2], args[0], args[1], const_args[1], + args[3], 0); + break; + case INDEX_op_setcond_i64: + tcg_out_setcond64(s, args[3], args[0], args[1], + args[2], const_args[2]); + break; + + case INDEX_op_bswap64_i64: + tcg_out_bswap64(s, args[0]); + break; + case INDEX_op_ext32u_i64: + tcg_out_ext32u(s, args[0], args[1]); + break; + case INDEX_op_ext32s_i64: + tcg_out_ext32s(s, args[0], args[1]); + break; +#endif + default: tcg_abort(); } + +#undef OP_32_64 } static const TCGTargetOpDef x86_op_defs[] = { @@ -1359,7 +1772,6 @@ static const TCGTargetOpDef x86_op_defs[] = { { INDEX_op_add_i32, { "r", "r", "ri" } }, { INDEX_op_sub_i32, { "r", "0", "ri" } }, { INDEX_op_mul_i32, { "r", "0", "ri" } }, - { INDEX_op_mulu2_i32, { "a", "d", "a", "r" } }, { INDEX_op_div2_i32, { "a", "d", "0", "1", "r" } }, { INDEX_op_divu2_i32, { "a", "d", "0", "1", "r" } }, { INDEX_op_and_i32, { "r", "0", "ri" } }, @@ -1374,10 +1786,6 @@ static const TCGTargetOpDef x86_op_defs[] = { { INDEX_op_brcond_i32, { "r", "ri" } }, - { INDEX_op_add2_i32, { "r", "r", "0", "1", "ri", "ri" } }, - { INDEX_op_sub2_i32, { "r", "r", "0", "1", "ri", "ri" } }, - { INDEX_op_brcond2_i32, { "r", "r", "ri", "ri" } }, - { INDEX_op_bswap16_i32, { "r", "0" } }, { INDEX_op_bswap32_i32, { "r", "0" } }, @@ -1391,9 +1799,75 @@ static const TCGTargetOpDef x86_op_defs[] = { { INDEX_op_ext16u_i32, { "r", "r" } }, { INDEX_op_setcond_i32, { "q", "r", "ri" } }, + +#if TCG_TARGET_REG_BITS == 32 + { INDEX_op_mulu2_i32, { "a", "d", "a", "r" } }, + { INDEX_op_add2_i32, { "r", "r", "0", "1", "ri", "ri" } }, + { INDEX_op_sub2_i32, { "r", "r", "0", "1", "ri", "ri" } }, + { INDEX_op_brcond2_i32, { "r", "r", "ri", "ri" } }, { INDEX_op_setcond2_i32, { "r", "r", "r", "ri", "ri" } }, +#else + { INDEX_op_mov_i64, { "r", "r" } }, + { INDEX_op_movi_i64, { "r" } }, + { INDEX_op_ld8u_i64, { "r", "r" } }, + { INDEX_op_ld8s_i64, { "r", "r" } }, + { INDEX_op_ld16u_i64, { "r", "r" } }, + { INDEX_op_ld16s_i64, { "r", "r" } }, + { INDEX_op_ld32u_i64, { "r", "r" } }, + { INDEX_op_ld32s_i64, { "r", "r" } }, + { INDEX_op_ld_i64, { "r", "r" } }, + { INDEX_op_st8_i64, { "r", "r" } }, + { INDEX_op_st16_i64, { "r", "r" } }, + { INDEX_op_st32_i64, { "r", "r" } }, + { INDEX_op_st_i64, { "r", "r" } }, + + { INDEX_op_add_i64, { "r", "0", "re" } }, + { INDEX_op_mul_i64, { "r", "0", "re" } }, + { INDEX_op_div2_i64, { "a", "d", "0", "1", "r" } }, + { INDEX_op_divu2_i64, { "a", "d", "0", "1", "r" } }, + { INDEX_op_sub_i64, { "r", "0", "re" } }, + { INDEX_op_and_i64, { "r", "0", "reZ" } }, + { INDEX_op_or_i64, { "r", "0", "re" } }, + { INDEX_op_xor_i64, { "r", "0", "re" } }, + + { INDEX_op_shl_i64, { "r", "0", "ci" } }, + { INDEX_op_shr_i64, { "r", "0", "ci" } }, + { INDEX_op_sar_i64, { "r", "0", "ci" } }, + { INDEX_op_rotl_i64, { "r", "0", "ci" } }, + { INDEX_op_rotr_i64, { "r", "0", "ci" } }, + + { INDEX_op_brcond_i64, { "r", "re" } }, + { INDEX_op_setcond_i64, { "r", "r", "re" } }, + + { INDEX_op_bswap16_i64, { "r", "0" } }, + { INDEX_op_bswap32_i64, { "r", "0" } }, + { INDEX_op_bswap64_i64, { "r", "0" } }, + { INDEX_op_neg_i64, { "r", "0" } }, + { INDEX_op_not_i64, { "r", "0" } }, + + { INDEX_op_ext8s_i64, { "r", "r" } }, + { INDEX_op_ext16s_i64, { "r", "r" } }, + { INDEX_op_ext32s_i64, { "r", "r" } }, + { INDEX_op_ext8u_i64, { "r", "r" } }, + { INDEX_op_ext16u_i64, { "r", "r" } }, + { INDEX_op_ext32u_i64, { "r", "r" } }, +#endif -#if TARGET_LONG_BITS == 32 +#if TCG_TARGET_REG_BITS == 64 + { INDEX_op_qemu_ld8u, { "r", "L" } }, + { INDEX_op_qemu_ld8s, { "r", "L" } }, + { INDEX_op_qemu_ld16u, { "r", "L" } }, + { INDEX_op_qemu_ld16s, { "r", "L" } }, + { INDEX_op_qemu_ld32, { "r", "L" } }, + { INDEX_op_qemu_ld32u, { "r", "L" } }, + { INDEX_op_qemu_ld32s, { "r", "L" } }, + { INDEX_op_qemu_ld64, { "r", "L" } }, + + { INDEX_op_qemu_st8, { "L", "L" } }, + { INDEX_op_qemu_st16, { "L", "L" } }, + { INDEX_op_qemu_st32, { "L", "L" } }, + { INDEX_op_qemu_st64, { "L", "L" } }, +#elif TARGET_LONG_BITS <= TCG_TARGET_REG_BITS { INDEX_op_qemu_ld8u, { "r", "L" } }, { INDEX_op_qemu_ld8s, { "r", "L" } }, { INDEX_op_qemu_ld16u, { "r", "L" } }, @@ -1422,11 +1896,19 @@ static const TCGTargetOpDef x86_op_defs[] = { }; static int tcg_target_callee_save_regs[] = { - /* TCG_REG_EBP, */ /* currently used for the global env, so no - need to save */ +#if TCG_TARGET_REG_BITS == 64 + TCG_REG_RBP, + TCG_REG_RBX, + TCG_REG_R12, + TCG_REG_R13, + /* TCG_REG_R14, */ /* Currently used for the global env. */ + TCG_REG_R15, +#else + /* TCG_REG_EBP, */ /* Currently used for the global env. */ TCG_REG_EBX, TCG_REG_ESI, TCG_REG_EDI, +#endif }; /* Generate global QEMU prologue and epilogue code */ @@ -1435,27 +1917,34 @@ static void tcg_target_qemu_prologue(TCGContext *s) int i, frame_size, push_size, stack_addend; /* TB prologue */ - /* save all callee saved registers */ - for(i = 0; i < ARRAY_SIZE(tcg_target_callee_save_regs); i++) { + + /* Save all callee saved registers. */ + for (i = 0; i < ARRAY_SIZE(tcg_target_callee_save_regs); i++) { tcg_out_push(s, tcg_target_callee_save_regs[i]); } - /* reserve some stack space */ - push_size = 4 + ARRAY_SIZE(tcg_target_callee_save_regs) * 4; + + /* Reserve some stack space. */ + push_size = 1 + ARRAY_SIZE(tcg_target_callee_save_regs); + push_size *= TCG_TARGET_REG_BITS / 8; + frame_size = push_size + TCG_STATIC_CALL_ARGS_SIZE; frame_size = (frame_size + TCG_TARGET_STACK_ALIGN - 1) & ~(TCG_TARGET_STACK_ALIGN - 1); stack_addend = frame_size - push_size; tcg_out_addi(s, TCG_REG_ESP, -stack_addend); - tcg_out_modrm(s, OPC_GRP5, EXT5_JMPN_Ev, TCG_REG_EAX); /* jmp *%eax */ + /* jmp *tb. */ + tcg_out_modrm(s, OPC_GRP5, EXT5_JMPN_Ev, tcg_target_call_iarg_regs[0]); /* TB epilogue */ tb_ret_addr = s->code_ptr; + tcg_out_addi(s, TCG_REG_ESP, stack_addend); - for(i = ARRAY_SIZE(tcg_target_callee_save_regs) - 1; i >= 0; i--) { + + for (i = ARRAY_SIZE(tcg_target_callee_save_regs) - 1; i >= 0; i--) { tcg_out_pop(s, tcg_target_callee_save_regs[i]); } - tcg_out_opc(s, OPC_RET); + tcg_out_opc(s, OPC_RET, 0, 0, 0); } static void tcg_target_init(TCGContext *s) @@ -1466,12 +1955,25 @@ static void tcg_target_init(TCGContext *s) tcg_abort(); #endif - tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xff); + if (TCG_TARGET_REG_BITS == 64) { + tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffff); + tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I64], 0, 0xffff); + } else { + tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xff); + } tcg_regset_clear(tcg_target_call_clobber_regs); tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_EAX); tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_EDX); tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_ECX); + if (TCG_TARGET_REG_BITS == 64) { + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_RDI); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_RSI); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R8); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R9); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R10); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R11); + } tcg_regset_clear(s->reserved_regs); tcg_regset_set_reg(s->reserved_regs, TCG_REG_ESP); diff --git a/tcg/i386/tcg-target.h b/tcg/i386/tcg-target.h index ca1d7306ea..bfafbfcbae 100644 --- a/tcg/i386/tcg-target.h +++ b/tcg/i386/tcg-target.h @@ -23,10 +23,18 @@ */ #define TCG_TARGET_I386 1 -#define TCG_TARGET_REG_BITS 32 +#if defined(__x86_64__) +# define TCG_TARGET_REG_BITS 64 +#else +# define TCG_TARGET_REG_BITS 32 +#endif //#define TCG_TARGET_WORDS_BIGENDIAN -#define TCG_TARGET_NB_REGS 8 +#if TCG_TARGET_REG_BITS == 64 +# define TCG_TARGET_NB_REGS 16 +#else +# define TCG_TARGET_NB_REGS 8 +#endif enum { TCG_REG_EAX = 0, @@ -37,8 +45,30 @@ enum { TCG_REG_EBP, TCG_REG_ESI, TCG_REG_EDI, + + /* 64-bit registers; always define the symbols to avoid + too much if-deffing. */ + TCG_REG_R8, + TCG_REG_R9, + TCG_REG_R10, + TCG_REG_R11, + TCG_REG_R12, + TCG_REG_R13, + TCG_REG_R14, + TCG_REG_R15, + TCG_REG_RAX = TCG_REG_EAX, + TCG_REG_RCX = TCG_REG_ECX, + TCG_REG_RDX = TCG_REG_EDX, + TCG_REG_RBX = TCG_REG_EBX, + TCG_REG_RSP = TCG_REG_ESP, + TCG_REG_RBP = TCG_REG_EBP, + TCG_REG_RSI = TCG_REG_ESI, + TCG_REG_RDI = TCG_REG_EDI, }; +#define TCG_CT_CONST_S32 0x100 +#define TCG_CT_CONST_U32 0x200 + /* used for function call generation */ #define TCG_REG_CALL_STACK TCG_REG_ESP #define TCG_TARGET_STACK_ALIGN 16 @@ -61,10 +91,35 @@ enum { // #define TCG_TARGET_HAS_nand_i32 // #define TCG_TARGET_HAS_nor_i32 +#if TCG_TARGET_REG_BITS == 64 +#define TCG_TARGET_HAS_div2_i64 +#define TCG_TARGET_HAS_rot_i64 +#define TCG_TARGET_HAS_ext8s_i64 +#define TCG_TARGET_HAS_ext16s_i64 +#define TCG_TARGET_HAS_ext32s_i64 +#define TCG_TARGET_HAS_ext8u_i64 +#define TCG_TARGET_HAS_ext16u_i64 +#define TCG_TARGET_HAS_ext32u_i64 +#define TCG_TARGET_HAS_bswap16_i64 +#define TCG_TARGET_HAS_bswap32_i64 +#define TCG_TARGET_HAS_bswap64_i64 +#define TCG_TARGET_HAS_neg_i64 +#define TCG_TARGET_HAS_not_i64 +// #define TCG_TARGET_HAS_andc_i64 +// #define TCG_TARGET_HAS_orc_i64 +// #define TCG_TARGET_HAS_eqv_i64 +// #define TCG_TARGET_HAS_nand_i64 +// #define TCG_TARGET_HAS_nor_i64 +#endif + #define TCG_TARGET_HAS_GUEST_BASE /* Note: must be synced with dyngen-exec.h */ -#define TCG_AREG0 TCG_REG_EBP +#if TCG_TARGET_REG_BITS == 64 +# define TCG_AREG0 TCG_REG_R14 +#else +# define TCG_AREG0 TCG_REG_EBP +#endif static inline void flush_icache_range(unsigned long start, unsigned long stop) { diff --git a/tcg/x86_64/tcg-target.c b/tcg/x86_64/tcg-target.c deleted file mode 100644 index 490666ed60..0000000000 --- a/tcg/x86_64/tcg-target.c +++ /dev/null @@ -1,1445 +0,0 @@ -/* - * Tiny Code Generator for QEMU - * - * Copyright (c) 2008 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#ifndef NDEBUG -static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = { - "%rax", - "%rcx", - "%rdx", - "%rbx", - "%rsp", - "%rbp", - "%rsi", - "%rdi", - "%r8", - "%r9", - "%r10", - "%r11", - "%r12", - "%r13", - "%r14", - "%r15", -}; -#endif - -static const int tcg_target_reg_alloc_order[] = { - TCG_REG_RBP, - TCG_REG_RBX, - TCG_REG_R12, - TCG_REG_R13, - TCG_REG_R14, - TCG_REG_R15, - TCG_REG_R10, - TCG_REG_R11, - TCG_REG_R9, - TCG_REG_R8, - TCG_REG_RCX, - TCG_REG_RDX, - TCG_REG_RSI, - TCG_REG_RDI, - TCG_REG_RAX, -}; - -static const int tcg_target_call_iarg_regs[6] = { - TCG_REG_RDI, - TCG_REG_RSI, - TCG_REG_RDX, - TCG_REG_RCX, - TCG_REG_R8, - TCG_REG_R9, -}; - -static const int tcg_target_call_oarg_regs[2] = { - TCG_REG_RAX, - TCG_REG_RDX -}; - -static uint8_t *tb_ret_addr; - -static void patch_reloc(uint8_t *code_ptr, int type, - tcg_target_long value, tcg_target_long addend) -{ - value += addend; - switch(type) { - case R_X86_64_32: - if (value != (uint32_t)value) - tcg_abort(); - *(uint32_t *)code_ptr = value; - break; - case R_X86_64_32S: - if (value != (int32_t)value) - tcg_abort(); - *(uint32_t *)code_ptr = value; - break; - case R_386_PC32: - value -= (long)code_ptr; - if (value != (int32_t)value) - tcg_abort(); - *(uint32_t *)code_ptr = value; - break; - default: - tcg_abort(); - } -} - -/* maximum number of register used for input function arguments */ -static inline int tcg_target_get_call_iarg_regs_count(int flags) -{ - return 6; -} - -/* parse target specific constraints */ -static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str) -{ - const char *ct_str; - - ct_str = *pct_str; - switch(ct_str[0]) { - case 'a': - ct->ct |= TCG_CT_REG; - tcg_regset_set_reg(ct->u.regs, TCG_REG_RAX); - break; - case 'b': - ct->ct |= TCG_CT_REG; - tcg_regset_set_reg(ct->u.regs, TCG_REG_RBX); - break; - case 'c': - ct->ct |= TCG_CT_REG; - tcg_regset_set_reg(ct->u.regs, TCG_REG_RCX); - break; - case 'd': - ct->ct |= TCG_CT_REG; - tcg_regset_set_reg(ct->u.regs, TCG_REG_RDX); - break; - case 'S': - ct->ct |= TCG_CT_REG; - tcg_regset_set_reg(ct->u.regs, TCG_REG_RSI); - break; - case 'D': - ct->ct |= TCG_CT_REG; - tcg_regset_set_reg(ct->u.regs, TCG_REG_RDI); - break; - case 'q': - ct->ct |= TCG_CT_REG; - tcg_regset_set32(ct->u.regs, 0, 0xf); - break; - case 'r': - ct->ct |= TCG_CT_REG; - tcg_regset_set32(ct->u.regs, 0, 0xffff); - break; - case 'L': /* qemu_ld/st constraint */ - ct->ct |= TCG_CT_REG; - tcg_regset_set32(ct->u.regs, 0, 0xffff); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_RSI); - tcg_regset_reset_reg(ct->u.regs, TCG_REG_RDI); - break; - case 'e': - ct->ct |= TCG_CT_CONST_S32; - break; - case 'Z': - ct->ct |= TCG_CT_CONST_U32; - break; - default: - return -1; - } - ct_str++; - *pct_str = ct_str; - return 0; -} - -/* test if a constant matches the constraint */ -static inline int tcg_target_const_match(tcg_target_long val, - const TCGArgConstraint *arg_ct) -{ - int ct; - ct = arg_ct->ct; - if (ct & TCG_CT_CONST) - return 1; - else if ((ct & TCG_CT_CONST_S32) && val == (int32_t)val) - return 1; - else if ((ct & TCG_CT_CONST_U32) && val == (uint32_t)val) - return 1; - else - return 0; -} - -#define ARITH_ADD 0 -#define ARITH_OR 1 -#define ARITH_ADC 2 -#define ARITH_SBB 3 -#define ARITH_AND 4 -#define ARITH_SUB 5 -#define ARITH_XOR 6 -#define ARITH_CMP 7 - -#define SHIFT_ROL 0 -#define SHIFT_ROR 1 -#define SHIFT_SHL 4 -#define SHIFT_SHR 5 -#define SHIFT_SAR 7 - -#define JCC_JMP (-1) -#define JCC_JO 0x0 -#define JCC_JNO 0x1 -#define JCC_JB 0x2 -#define JCC_JAE 0x3 -#define JCC_JE 0x4 -#define JCC_JNE 0x5 -#define JCC_JBE 0x6 -#define JCC_JA 0x7 -#define JCC_JS 0x8 -#define JCC_JNS 0x9 -#define JCC_JP 0xa -#define JCC_JNP 0xb -#define JCC_JL 0xc -#define JCC_JGE 0xd -#define JCC_JLE 0xe -#define JCC_JG 0xf - -#define P_EXT 0x100 /* 0x0f opcode prefix */ -#define P_REXW 0x200 /* set rex.w = 1 */ -#define P_REXB_R 0x400 /* REG field as byte register */ -#define P_REXB_RM 0x800 /* R/M field as byte register */ - -static const uint8_t tcg_cond_to_jcc[10] = { - [TCG_COND_EQ] = JCC_JE, - [TCG_COND_NE] = JCC_JNE, - [TCG_COND_LT] = JCC_JL, - [TCG_COND_GE] = JCC_JGE, - [TCG_COND_LE] = JCC_JLE, - [TCG_COND_GT] = JCC_JG, - [TCG_COND_LTU] = JCC_JB, - [TCG_COND_GEU] = JCC_JAE, - [TCG_COND_LEU] = JCC_JBE, - [TCG_COND_GTU] = JCC_JA, -}; - -static void tcg_out_opc(TCGContext *s, int opc, int r, int rm, int x) -{ - int rex = 0; - - rex |= (opc & P_REXW) >> 6; /* REX.W */ - rex |= (r & 8) >> 1; /* REX.R */ - rex |= (x & 8) >> 2; /* REX.X */ - rex |= (rm & 8) >> 3; /* REX.B */ - - /* P_REXB_{R,RM} indicates that the given register is the low byte. - For %[abcd]l we need no REX prefix, but for %{si,di,bp,sp}l we do, - as otherwise the encoding indicates %[abcd]h. Note that the values - that are ORed in merely indicate that the REX byte must be present; - those bits get discarded in output. */ - rex |= opc & (r >= 4 ? P_REXB_R : 0); - rex |= opc & (rm >= 4 ? P_REXB_RM : 0); - - if (rex) { - tcg_out8(s, (uint8_t)(rex | 0x40)); - } - if (opc & P_EXT) { - tcg_out8(s, 0x0f); - } - tcg_out8(s, opc & 0xff); -} - -static inline void tcg_out_modrm(TCGContext *s, int opc, int r, int rm) -{ - tcg_out_opc(s, opc, r, rm, 0); - tcg_out8(s, 0xc0 | ((r & 7) << 3) | (rm & 7)); -} - -/* rm < 0 means no register index plus (-rm - 1 immediate bytes) */ -static inline void tcg_out_modrm_offset(TCGContext *s, int opc, int r, int rm, - tcg_target_long offset) -{ - if (rm < 0) { - tcg_target_long val; - tcg_out_opc(s, opc, r, 0, 0); - val = offset - ((tcg_target_long)s->code_ptr + 5 + (-rm - 1)); - if (val == (int32_t)val) { - /* eip relative */ - tcg_out8(s, 0x05 | ((r & 7) << 3)); - tcg_out32(s, val); - } else if (offset == (int32_t)offset) { - tcg_out8(s, 0x04 | ((r & 7) << 3)); - tcg_out8(s, 0x25); /* sib */ - tcg_out32(s, offset); - } else { - tcg_abort(); - } - } else if (offset == 0 && (rm & 7) != TCG_REG_RBP) { - tcg_out_opc(s, opc, r, rm, 0); - if ((rm & 7) == TCG_REG_RSP) { - tcg_out8(s, 0x04 | ((r & 7) << 3)); - tcg_out8(s, 0x24); - } else { - tcg_out8(s, 0x00 | ((r & 7) << 3) | (rm & 7)); - } - } else if ((int8_t)offset == offset) { - tcg_out_opc(s, opc, r, rm, 0); - if ((rm & 7) == TCG_REG_RSP) { - tcg_out8(s, 0x44 | ((r & 7) << 3)); - tcg_out8(s, 0x24); - } else { - tcg_out8(s, 0x40 | ((r & 7) << 3) | (rm & 7)); - } - tcg_out8(s, offset); - } else { - tcg_out_opc(s, opc, r, rm, 0); - if ((rm & 7) == TCG_REG_RSP) { - tcg_out8(s, 0x84 | ((r & 7) << 3)); - tcg_out8(s, 0x24); - } else { - tcg_out8(s, 0x80 | ((r & 7) << 3) | (rm & 7)); - } - tcg_out32(s, offset); - } -} - -#if defined(CONFIG_SOFTMMU) -/* XXX: incomplete. index must be different from ESP */ -static void tcg_out_modrm_offset2(TCGContext *s, int opc, int r, int rm, - int index, int shift, - tcg_target_long offset) -{ - int mod; - if (rm == -1) - tcg_abort(); - if (offset == 0 && (rm & 7) != TCG_REG_RBP) { - mod = 0; - } else if (offset == (int8_t)offset) { - mod = 0x40; - } else if (offset == (int32_t)offset) { - mod = 0x80; - } else { - tcg_abort(); - } - if (index == -1) { - tcg_out_opc(s, opc, r, rm, 0); - if ((rm & 7) == TCG_REG_RSP) { - tcg_out8(s, mod | ((r & 7) << 3) | 0x04); - tcg_out8(s, 0x04 | (rm & 7)); - } else { - tcg_out8(s, mod | ((r & 7) << 3) | (rm & 7)); - } - } else { - tcg_out_opc(s, opc, r, rm, index); - tcg_out8(s, mod | ((r & 7) << 3) | 0x04); - tcg_out8(s, (shift << 6) | ((index & 7) << 3) | (rm & 7)); - } - if (mod == 0x40) { - tcg_out8(s, offset); - } else if (mod == 0x80) { - tcg_out32(s, offset); - } -} -#endif - -static inline void tcg_out_mov(TCGContext *s, TCGType type, int ret, int arg) -{ - int rexw = (type == TCG_TYPE_I64 ? P_REXW : 0); - tcg_out_modrm(s, 0x8b | rexw, ret, arg); -} - -static inline void tcg_out_movi(TCGContext *s, TCGType type, - int ret, tcg_target_long arg) -{ - if (arg == 0) { - tcg_out_modrm(s, 0x01 | (ARITH_XOR << 3), ret, ret); /* xor r0,r0 */ - } else if (arg == (uint32_t)arg || type == TCG_TYPE_I32) { - tcg_out_opc(s, 0xb8 + (ret & 7), 0, ret, 0); - tcg_out32(s, arg); - } else if (arg == (int32_t)arg) { - tcg_out_modrm(s, 0xc7 | P_REXW, 0, ret); - tcg_out32(s, arg); - } else { - tcg_out_opc(s, (0xb8 + (ret & 7)) | P_REXW, 0, ret, 0); - tcg_out32(s, arg); - tcg_out32(s, arg >> 32); - } -} - -static void tcg_out_goto(TCGContext *s, int call, uint8_t *target) -{ - int32_t disp; - - disp = target - s->code_ptr - 5; - if (disp == (target - s->code_ptr - 5)) { - tcg_out8(s, call ? 0xe8 : 0xe9); - tcg_out32(s, disp); - } else { - tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R10, (tcg_target_long) target); - tcg_out_modrm(s, 0xff, call ? 2 : 4, TCG_REG_R10); - } -} - -static inline void tcg_out_ld(TCGContext *s, TCGType type, int ret, - int arg1, tcg_target_long arg2) -{ - if (type == TCG_TYPE_I32) - tcg_out_modrm_offset(s, 0x8b, ret, arg1, arg2); /* movl */ - else - tcg_out_modrm_offset(s, 0x8b | P_REXW, ret, arg1, arg2); /* movq */ -} - -static inline void tcg_out_st(TCGContext *s, TCGType type, int arg, - int arg1, tcg_target_long arg2) -{ - if (type == TCG_TYPE_I32) - tcg_out_modrm_offset(s, 0x89, arg, arg1, arg2); /* movl */ - else - tcg_out_modrm_offset(s, 0x89 | P_REXW, arg, arg1, arg2); /* movq */ -} - -static inline void tgen_arithi32(TCGContext *s, int c, int r0, int32_t val) -{ - if ((c == ARITH_ADD && val == 1) || (c == ARITH_SUB && val == -1)) { - /* inc */ - tcg_out_modrm(s, 0xff, 0, r0); - } else if ((c == ARITH_ADD && val == -1) || (c == ARITH_SUB && val == 1)) { - /* dec */ - tcg_out_modrm(s, 0xff, 1, r0); - } else if (val == (int8_t)val) { - tcg_out_modrm(s, 0x83, c, r0); - tcg_out8(s, val); - } else if (c == ARITH_AND && val == 0xffu) { - /* movzbl */ - tcg_out_modrm(s, 0xb6 | P_EXT | P_REXB_RM, r0, r0); - } else if (c == ARITH_AND && val == 0xffffu) { - /* movzwl */ - tcg_out_modrm(s, 0xb7 | P_EXT, r0, r0); - } else { - tcg_out_modrm(s, 0x81, c, r0); - tcg_out32(s, val); - } -} - -static inline void tgen_arithi64(TCGContext *s, int c, int r0, int64_t val) -{ - if ((c == ARITH_ADD && val == 1) || (c == ARITH_SUB && val == -1)) { - /* inc */ - tcg_out_modrm(s, 0xff | P_REXW, 0, r0); - } else if ((c == ARITH_ADD && val == -1) || (c == ARITH_SUB && val == 1)) { - /* dec */ - tcg_out_modrm(s, 0xff | P_REXW, 1, r0); - } else if (c == ARITH_AND && val == 0xffffffffu) { - /* 32-bit mov zero extends */ - tcg_out_modrm(s, 0x8b, r0, r0); - } else if (c == ARITH_AND && val == (uint32_t)val) { - /* AND with no high bits set can use a 32-bit operation. */ - tgen_arithi32(s, c, r0, (uint32_t)val); - } else if (val == (int8_t)val) { - tcg_out_modrm(s, 0x83 | P_REXW, c, r0); - tcg_out8(s, val); - } else if (val == (int32_t)val) { - tcg_out_modrm(s, 0x81 | P_REXW, c, r0); - tcg_out32(s, val); - } else { - tcg_abort(); - } -} - -static void tcg_out_addi(TCGContext *s, int reg, tcg_target_long val) -{ - if (val != 0) - tgen_arithi64(s, ARITH_ADD, reg, val); -} - -static void tcg_out_jxx(TCGContext *s, int opc, int label_index) -{ - int32_t val, val1; - TCGLabel *l = &s->labels[label_index]; - - if (l->has_value) { - val = l->u.value - (tcg_target_long)s->code_ptr; - val1 = val - 2; - if ((int8_t)val1 == val1) { - if (opc == -1) - tcg_out8(s, 0xeb); - else - tcg_out8(s, 0x70 + opc); - tcg_out8(s, val1); - } else { - if (opc == -1) { - tcg_out8(s, 0xe9); - tcg_out32(s, val - 5); - } else { - tcg_out8(s, 0x0f); - tcg_out8(s, 0x80 + opc); - tcg_out32(s, val - 6); - } - } - } else { - if (opc == -1) { - tcg_out8(s, 0xe9); - } else { - tcg_out8(s, 0x0f); - tcg_out8(s, 0x80 + opc); - } - tcg_out_reloc(s, s->code_ptr, R_386_PC32, label_index, -4); - s->code_ptr += 4; - } -} - -static void tcg_out_cmp(TCGContext *s, TCGArg arg1, TCGArg arg2, - int const_arg2, int rexw) -{ - if (const_arg2) { - if (arg2 == 0) { - /* test r, r */ - tcg_out_modrm(s, 0x85 | rexw, arg1, arg1); - } else { - if (rexw) { - tgen_arithi64(s, ARITH_CMP, arg1, arg2); - } else { - tgen_arithi32(s, ARITH_CMP, arg1, arg2); - } - } - } else { - tcg_out_modrm(s, 0x01 | (ARITH_CMP << 3) | rexw, arg2, arg1); - } -} - -static void tcg_out_brcond(TCGContext *s, TCGCond cond, - TCGArg arg1, TCGArg arg2, int const_arg2, - int label_index, int rexw) -{ - tcg_out_cmp(s, arg1, arg2, const_arg2, rexw); - tcg_out_jxx(s, tcg_cond_to_jcc[cond], label_index); -} - -static void tcg_out_setcond(TCGContext *s, TCGCond cond, TCGArg dest, - TCGArg arg1, TCGArg arg2, int const_arg2, int rexw) -{ - tcg_out_cmp(s, arg1, arg2, const_arg2, rexw); - /* setcc */ - tcg_out_modrm(s, 0x90 | tcg_cond_to_jcc[cond] | P_EXT | P_REXB_RM, 0, dest); - tgen_arithi32(s, ARITH_AND, dest, 0xff); -} - -#if defined(CONFIG_SOFTMMU) - -#include "../../softmmu_defs.h" - -static void *qemu_ld_helpers[4] = { - __ldb_mmu, - __ldw_mmu, - __ldl_mmu, - __ldq_mmu, -}; - -static void *qemu_st_helpers[4] = { - __stb_mmu, - __stw_mmu, - __stl_mmu, - __stq_mmu, -}; -#endif - -static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, - int opc) -{ - int addr_reg, data_reg, r0, r1, mem_index, s_bits, bswap, rexw; - int32_t offset; -#if defined(CONFIG_SOFTMMU) - uint8_t *label1_ptr, *label2_ptr; -#endif - - data_reg = *args++; - addr_reg = *args++; - mem_index = *args; - s_bits = opc & 3; - - r0 = TCG_REG_RDI; - r1 = TCG_REG_RSI; - -#if TARGET_LONG_BITS == 32 - rexw = 0; -#else - rexw = P_REXW; -#endif -#if defined(CONFIG_SOFTMMU) - tcg_out_mov(s, TCG_TYPE_TL, r1, addr_reg); - tcg_out_mov(s, TCG_TYPE_TL, r0, addr_reg); - - tcg_out_modrm(s, 0xc1 | rexw, 5, r1); /* shr $x, r1 */ - tcg_out8(s, TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS); - - tcg_out_modrm(s, 0x81 | rexw, 4, r0); /* andl $x, r0 */ - tcg_out32(s, TARGET_PAGE_MASK | ((1 << s_bits) - 1)); - - tcg_out_modrm(s, 0x81, 4, r1); /* andl $x, r1 */ - tcg_out32(s, (CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS); - - /* lea offset(r1, env), r1 */ - tcg_out_modrm_offset2(s, 0x8d | P_REXW, r1, r1, TCG_AREG0, 0, - offsetof(CPUState, tlb_table[mem_index][0].addr_read)); - - /* cmp 0(r1), r0 */ - tcg_out_modrm_offset(s, 0x3b | rexw, r0, r1, 0); - - tcg_out_mov(s, TCG_TYPE_TL, r0, addr_reg); - - /* je label1 */ - tcg_out8(s, 0x70 + JCC_JE); - label1_ptr = s->code_ptr; - s->code_ptr++; - - /* XXX: move that code at the end of the TB */ - tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_RSI, mem_index); - tcg_out_goto(s, 1, qemu_ld_helpers[s_bits]); - - switch(opc) { - case 0 | 4: - /* movsbq */ - tcg_out_modrm(s, 0xbe | P_EXT | P_REXW, data_reg, TCG_REG_RAX); - break; - case 1 | 4: - /* movswq */ - tcg_out_modrm(s, 0xbf | P_EXT | P_REXW, data_reg, TCG_REG_RAX); - break; - case 2 | 4: - /* movslq */ - tcg_out_modrm(s, 0x63 | P_REXW, data_reg, TCG_REG_RAX); - break; - case 0: - /* movzbq */ - tcg_out_modrm(s, 0xb6 | P_EXT | P_REXW, data_reg, TCG_REG_RAX); - break; - case 1: - /* movzwq */ - tcg_out_modrm(s, 0xb7 | P_EXT | P_REXW, data_reg, TCG_REG_RAX); - break; - case 2: - default: - tcg_out_mov(s, TCG_TYPE_I32, data_reg, TCG_REG_RAX); - break; - case 3: - tcg_out_mov(s, TCG_TYPE_I64, data_reg, TCG_REG_RAX); - break; - } - - /* jmp label2 */ - tcg_out8(s, 0xeb); - label2_ptr = s->code_ptr; - s->code_ptr++; - - /* label1: */ - *label1_ptr = s->code_ptr - label1_ptr - 1; - - /* add x(r1), r0 */ - tcg_out_modrm_offset(s, 0x03 | P_REXW, r0, r1, offsetof(CPUTLBEntry, addend) - - offsetof(CPUTLBEntry, addr_read)); - offset = 0; -#else - if (GUEST_BASE == (int32_t)GUEST_BASE) { - r0 = addr_reg; - offset = GUEST_BASE; - } else { - offset = 0; - /* movq $GUEST_BASE, r0 */ - tcg_out_opc(s, (0xb8 + (r0 & 7)) | P_REXW, 0, r0, 0); - tcg_out32(s, GUEST_BASE); - tcg_out32(s, GUEST_BASE >> 32); - /* addq addr_reg, r0 */ - tcg_out_modrm(s, 0x01 | P_REXW, addr_reg, r0); - } -#endif - -#ifdef TARGET_WORDS_BIGENDIAN - bswap = 1; -#else - bswap = 0; -#endif - switch(opc) { - case 0: - /* movzbl */ - tcg_out_modrm_offset(s, 0xb6 | P_EXT, data_reg, r0, offset); - break; - case 0 | 4: - /* movsbX */ - tcg_out_modrm_offset(s, 0xbe | P_EXT | rexw, data_reg, r0, offset); - break; - case 1: - /* movzwl */ - tcg_out_modrm_offset(s, 0xb7 | P_EXT, data_reg, r0, offset); - if (bswap) { - /* rolw $8, data_reg */ - tcg_out8(s, 0x66); - tcg_out_modrm(s, 0xc1, 0, data_reg); - tcg_out8(s, 8); - } - break; - case 1 | 4: - if (bswap) { - /* movzwl */ - tcg_out_modrm_offset(s, 0xb7 | P_EXT, data_reg, r0, offset); - /* rolw $8, data_reg */ - tcg_out8(s, 0x66); - tcg_out_modrm(s, 0xc1, 0, data_reg); - tcg_out8(s, 8); - - /* movswX data_reg, data_reg */ - tcg_out_modrm(s, 0xbf | P_EXT | rexw, data_reg, data_reg); - } else { - /* movswX */ - tcg_out_modrm_offset(s, 0xbf | P_EXT | rexw, data_reg, r0, offset); - } - break; - case 2: - /* movl (r0), data_reg */ - tcg_out_modrm_offset(s, 0x8b, data_reg, r0, offset); - if (bswap) { - /* bswap */ - tcg_out_opc(s, (0xc8 + (data_reg & 7)) | P_EXT, 0, data_reg, 0); - } - break; - case 2 | 4: - if (bswap) { - /* movl (r0), data_reg */ - tcg_out_modrm_offset(s, 0x8b, data_reg, r0, offset); - /* bswap */ - tcg_out_opc(s, (0xc8 + (data_reg & 7)) | P_EXT, 0, data_reg, 0); - /* movslq */ - tcg_out_modrm(s, 0x63 | P_REXW, data_reg, data_reg); - } else { - /* movslq */ - tcg_out_modrm_offset(s, 0x63 | P_REXW, data_reg, r0, offset); - } - break; - case 3: - /* movq (r0), data_reg */ - tcg_out_modrm_offset(s, 0x8b | P_REXW, data_reg, r0, offset); - if (bswap) { - /* bswap */ - tcg_out_opc(s, (0xc8 + (data_reg & 7)) | P_EXT | P_REXW, 0, data_reg, 0); - } - break; - default: - tcg_abort(); - } - -#if defined(CONFIG_SOFTMMU) - /* label2: */ - *label2_ptr = s->code_ptr - label2_ptr - 1; -#endif -} - -static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, - int opc) -{ - int addr_reg, data_reg, r0, r1, mem_index, s_bits, bswap, rexw; - int32_t offset; -#if defined(CONFIG_SOFTMMU) - uint8_t *label1_ptr, *label2_ptr; -#endif - - data_reg = *args++; - addr_reg = *args++; - mem_index = *args; - - s_bits = opc; - - r0 = TCG_REG_RDI; - r1 = TCG_REG_RSI; - -#if TARGET_LONG_BITS == 32 - rexw = 0; -#else - rexw = P_REXW; -#endif -#if defined(CONFIG_SOFTMMU) - tcg_out_mov(s, TCG_TYPE_TL, r1, addr_reg); - tcg_out_mov(s, TCG_TYPE_TL, r0, addr_reg); - - tcg_out_modrm(s, 0xc1 | rexw, 5, r1); /* shr $x, r1 */ - tcg_out8(s, TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS); - - tcg_out_modrm(s, 0x81 | rexw, 4, r0); /* andl $x, r0 */ - tcg_out32(s, TARGET_PAGE_MASK | ((1 << s_bits) - 1)); - - tcg_out_modrm(s, 0x81, 4, r1); /* andl $x, r1 */ - tcg_out32(s, (CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS); - - /* lea offset(r1, env), r1 */ - tcg_out_modrm_offset2(s, 0x8d | P_REXW, r1, r1, TCG_AREG0, 0, - offsetof(CPUState, tlb_table[mem_index][0].addr_write)); - - /* cmp 0(r1), r0 */ - tcg_out_modrm_offset(s, 0x3b | rexw, r0, r1, 0); - - tcg_out_mov(s, TCG_TYPE_TL, r0, addr_reg); - - /* je label1 */ - tcg_out8(s, 0x70 + JCC_JE); - label1_ptr = s->code_ptr; - s->code_ptr++; - - /* XXX: move that code at the end of the TB */ - switch(opc) { - case 0: - /* movzbl */ - tcg_out_modrm(s, 0xb6 | P_EXT | P_REXB_RM, TCG_REG_RSI, data_reg); - break; - case 1: - /* movzwl */ - tcg_out_modrm(s, 0xb7 | P_EXT, TCG_REG_RSI, data_reg); - break; - case 2: - tcg_out_mov(s, TCG_TYPE_I32, TCG_REG_RSI, data_reg); - break; - default: - case 3: - tcg_out_mov(s, TCG_TYPE_I64, TCG_REG_RSI, data_reg); - break; - } - tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_RDX, mem_index); - tcg_out_goto(s, 1, qemu_st_helpers[s_bits]); - - /* jmp label2 */ - tcg_out8(s, 0xeb); - label2_ptr = s->code_ptr; - s->code_ptr++; - - /* label1: */ - *label1_ptr = s->code_ptr - label1_ptr - 1; - - /* add x(r1), r0 */ - tcg_out_modrm_offset(s, 0x03 | P_REXW, r0, r1, offsetof(CPUTLBEntry, addend) - - offsetof(CPUTLBEntry, addr_write)); - offset = 0; -#else - if (GUEST_BASE == (int32_t)GUEST_BASE) { - r0 = addr_reg; - offset = GUEST_BASE; - } else { - offset = 0; - /* movq $GUEST_BASE, r0 */ - tcg_out_opc(s, (0xb8 + (r0 & 7)) | P_REXW, 0, r0, 0); - tcg_out32(s, GUEST_BASE); - tcg_out32(s, GUEST_BASE >> 32); - /* addq addr_reg, r0 */ - tcg_out_modrm(s, 0x01 | P_REXW, addr_reg, r0); - } -#endif - -#ifdef TARGET_WORDS_BIGENDIAN - bswap = 1; -#else - bswap = 0; -#endif - switch(opc) { - case 0: - /* movb */ - tcg_out_modrm_offset(s, 0x88 | P_REXB_R, data_reg, r0, offset); - break; - case 1: - if (bswap) { - tcg_out_mov(s, TCG_TYPE_I32, r1, data_reg); - tcg_out8(s, 0x66); /* rolw $8, %ecx */ - tcg_out_modrm(s, 0xc1, 0, r1); - tcg_out8(s, 8); - data_reg = r1; - } - /* movw */ - tcg_out8(s, 0x66); - tcg_out_modrm_offset(s, 0x89, data_reg, r0, offset); - break; - case 2: - if (bswap) { - tcg_out_mov(s, TCG_TYPE_I32, r1, data_reg); - /* bswap data_reg */ - tcg_out_opc(s, (0xc8 + r1) | P_EXT, 0, r1, 0); - data_reg = r1; - } - /* movl */ - tcg_out_modrm_offset(s, 0x89, data_reg, r0, offset); - break; - case 3: - if (bswap) { - tcg_out_mov(s, TCG_TYPE_I64, r1, data_reg); - /* bswap data_reg */ - tcg_out_opc(s, (0xc8 + r1) | P_EXT | P_REXW, 0, r1, 0); - data_reg = r1; - } - /* movq */ - tcg_out_modrm_offset(s, 0x89 | P_REXW, data_reg, r0, offset); - break; - default: - tcg_abort(); - } - -#if defined(CONFIG_SOFTMMU) - /* label2: */ - *label2_ptr = s->code_ptr - label2_ptr - 1; -#endif -} - -static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, - const int *const_args) -{ - int c; - - switch(opc) { - case INDEX_op_exit_tb: - tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_RAX, args[0]); - tcg_out_goto(s, 0, tb_ret_addr); - break; - case INDEX_op_goto_tb: - if (s->tb_jmp_offset) { - /* direct jump method */ - tcg_out8(s, 0xe9); /* jmp im */ - s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf; - tcg_out32(s, 0); - } else { - /* indirect jump method */ - /* jmp Ev */ - tcg_out_modrm_offset(s, 0xff, 4, -1, - (tcg_target_long)(s->tb_next + - args[0])); - } - s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf; - break; - case INDEX_op_call: - if (const_args[0]) { - tcg_out_goto(s, 1, (void *) args[0]); - } else { - tcg_out_modrm(s, 0xff, 2, args[0]); - } - break; - case INDEX_op_jmp: - if (const_args[0]) { - tcg_out_goto(s, 0, (void *) args[0]); - } else { - tcg_out_modrm(s, 0xff, 4, args[0]); - } - break; - case INDEX_op_br: - tcg_out_jxx(s, JCC_JMP, args[0]); - break; - case INDEX_op_movi_i32: - tcg_out_movi(s, TCG_TYPE_I32, args[0], (uint32_t)args[1]); - break; - case INDEX_op_movi_i64: - tcg_out_movi(s, TCG_TYPE_I64, args[0], args[1]); - break; - case INDEX_op_ld8u_i32: - case INDEX_op_ld8u_i64: - /* movzbl */ - tcg_out_modrm_offset(s, 0xb6 | P_EXT, args[0], args[1], args[2]); - break; - case INDEX_op_ld8s_i32: - /* movsbl */ - tcg_out_modrm_offset(s, 0xbe | P_EXT, args[0], args[1], args[2]); - break; - case INDEX_op_ld8s_i64: - /* movsbq */ - tcg_out_modrm_offset(s, 0xbe | P_EXT | P_REXW, args[0], args[1], args[2]); - break; - case INDEX_op_ld16u_i32: - case INDEX_op_ld16u_i64: - /* movzwl */ - tcg_out_modrm_offset(s, 0xb7 | P_EXT, args[0], args[1], args[2]); - break; - case INDEX_op_ld16s_i32: - /* movswl */ - tcg_out_modrm_offset(s, 0xbf | P_EXT, args[0], args[1], args[2]); - break; - case INDEX_op_ld16s_i64: - /* movswq */ - tcg_out_modrm_offset(s, 0xbf | P_EXT | P_REXW, args[0], args[1], args[2]); - break; - case INDEX_op_ld_i32: - case INDEX_op_ld32u_i64: - /* movl */ - tcg_out_modrm_offset(s, 0x8b, args[0], args[1], args[2]); - break; - case INDEX_op_ld32s_i64: - /* movslq */ - tcg_out_modrm_offset(s, 0x63 | P_REXW, args[0], args[1], args[2]); - break; - case INDEX_op_ld_i64: - /* movq */ - tcg_out_modrm_offset(s, 0x8b | P_REXW, args[0], args[1], args[2]); - break; - - case INDEX_op_st8_i32: - case INDEX_op_st8_i64: - /* movb */ - tcg_out_modrm_offset(s, 0x88 | P_REXB_R, args[0], args[1], args[2]); - break; - case INDEX_op_st16_i32: - case INDEX_op_st16_i64: - /* movw */ - tcg_out8(s, 0x66); - tcg_out_modrm_offset(s, 0x89, args[0], args[1], args[2]); - break; - case INDEX_op_st_i32: - case INDEX_op_st32_i64: - /* movl */ - tcg_out_modrm_offset(s, 0x89, args[0], args[1], args[2]); - break; - case INDEX_op_st_i64: - /* movq */ - tcg_out_modrm_offset(s, 0x89 | P_REXW, args[0], args[1], args[2]); - break; - - case INDEX_op_sub_i32: - c = ARITH_SUB; - goto gen_arith32; - case INDEX_op_and_i32: - c = ARITH_AND; - goto gen_arith32; - case INDEX_op_or_i32: - c = ARITH_OR; - goto gen_arith32; - case INDEX_op_xor_i32: - c = ARITH_XOR; - goto gen_arith32; - case INDEX_op_add_i32: - c = ARITH_ADD; - gen_arith32: - if (const_args[2]) { - tgen_arithi32(s, c, args[0], args[2]); - } else { - tcg_out_modrm(s, 0x01 | (c << 3), args[2], args[0]); - } - break; - - case INDEX_op_sub_i64: - c = ARITH_SUB; - goto gen_arith64; - case INDEX_op_and_i64: - c = ARITH_AND; - goto gen_arith64; - case INDEX_op_or_i64: - c = ARITH_OR; - goto gen_arith64; - case INDEX_op_xor_i64: - c = ARITH_XOR; - goto gen_arith64; - case INDEX_op_add_i64: - c = ARITH_ADD; - gen_arith64: - if (const_args[2]) { - tgen_arithi64(s, c, args[0], args[2]); - } else { - tcg_out_modrm(s, 0x01 | (c << 3) | P_REXW, args[2], args[0]); - } - break; - - case INDEX_op_mul_i32: - if (const_args[2]) { - int32_t val; - val = args[2]; - if (val == (int8_t)val) { - tcg_out_modrm(s, 0x6b, args[0], args[0]); - tcg_out8(s, val); - } else { - tcg_out_modrm(s, 0x69, args[0], args[0]); - tcg_out32(s, val); - } - } else { - tcg_out_modrm(s, 0xaf | P_EXT, args[0], args[2]); - } - break; - case INDEX_op_mul_i64: - if (const_args[2]) { - int32_t val; - val = args[2]; - if (val == (int8_t)val) { - tcg_out_modrm(s, 0x6b | P_REXW, args[0], args[0]); - tcg_out8(s, val); - } else { - tcg_out_modrm(s, 0x69 | P_REXW, args[0], args[0]); - tcg_out32(s, val); - } - } else { - tcg_out_modrm(s, 0xaf | P_EXT | P_REXW, args[0], args[2]); - } - break; - case INDEX_op_div2_i32: - tcg_out_modrm(s, 0xf7, 7, args[4]); - break; - case INDEX_op_divu2_i32: - tcg_out_modrm(s, 0xf7, 6, args[4]); - break; - case INDEX_op_div2_i64: - tcg_out_modrm(s, 0xf7 | P_REXW, 7, args[4]); - break; - case INDEX_op_divu2_i64: - tcg_out_modrm(s, 0xf7 | P_REXW, 6, args[4]); - break; - - case INDEX_op_shl_i32: - c = SHIFT_SHL; - gen_shift32: - if (const_args[2]) { - if (args[2] == 1) { - tcg_out_modrm(s, 0xd1, c, args[0]); - } else { - tcg_out_modrm(s, 0xc1, c, args[0]); - tcg_out8(s, args[2]); - } - } else { - tcg_out_modrm(s, 0xd3, c, args[0]); - } - break; - case INDEX_op_shr_i32: - c = SHIFT_SHR; - goto gen_shift32; - case INDEX_op_sar_i32: - c = SHIFT_SAR; - goto gen_shift32; - case INDEX_op_rotl_i32: - c = SHIFT_ROL; - goto gen_shift32; - case INDEX_op_rotr_i32: - c = SHIFT_ROR; - goto gen_shift32; - - case INDEX_op_shl_i64: - c = SHIFT_SHL; - gen_shift64: - if (const_args[2]) { - if (args[2] == 1) { - tcg_out_modrm(s, 0xd1 | P_REXW, c, args[0]); - } else { - tcg_out_modrm(s, 0xc1 | P_REXW, c, args[0]); - tcg_out8(s, args[2]); - } - } else { - tcg_out_modrm(s, 0xd3 | P_REXW, c, args[0]); - } - break; - case INDEX_op_shr_i64: - c = SHIFT_SHR; - goto gen_shift64; - case INDEX_op_sar_i64: - c = SHIFT_SAR; - goto gen_shift64; - case INDEX_op_rotl_i64: - c = SHIFT_ROL; - goto gen_shift64; - case INDEX_op_rotr_i64: - c = SHIFT_ROR; - goto gen_shift64; - - case INDEX_op_brcond_i32: - tcg_out_brcond(s, args[2], args[0], args[1], const_args[1], - args[3], 0); - break; - case INDEX_op_brcond_i64: - tcg_out_brcond(s, args[2], args[0], args[1], const_args[1], - args[3], P_REXW); - break; - - case INDEX_op_bswap16_i32: - case INDEX_op_bswap16_i64: - tcg_out8(s, 0x66); - tcg_out_modrm(s, 0xc1, SHIFT_ROL, args[0]); - tcg_out8(s, 8); - break; - case INDEX_op_bswap32_i32: - case INDEX_op_bswap32_i64: - tcg_out_opc(s, (0xc8 + (args[0] & 7)) | P_EXT, 0, args[0], 0); - break; - case INDEX_op_bswap64_i64: - tcg_out_opc(s, (0xc8 + (args[0] & 7)) | P_EXT | P_REXW, 0, args[0], 0); - break; - - case INDEX_op_neg_i32: - tcg_out_modrm(s, 0xf7, 3, args[0]); - break; - case INDEX_op_neg_i64: - tcg_out_modrm(s, 0xf7 | P_REXW, 3, args[0]); - break; - - case INDEX_op_not_i32: - tcg_out_modrm(s, 0xf7, 2, args[0]); - break; - case INDEX_op_not_i64: - tcg_out_modrm(s, 0xf7 | P_REXW, 2, args[0]); - break; - - case INDEX_op_ext8s_i32: - tcg_out_modrm(s, 0xbe | P_EXT | P_REXB_RM, args[0], args[1]); - break; - case INDEX_op_ext16s_i32: - tcg_out_modrm(s, 0xbf | P_EXT, args[0], args[1]); - break; - case INDEX_op_ext8s_i64: - tcg_out_modrm(s, 0xbe | P_EXT | P_REXW, args[0], args[1]); - break; - case INDEX_op_ext16s_i64: - tcg_out_modrm(s, 0xbf | P_EXT | P_REXW, args[0], args[1]); - break; - case INDEX_op_ext32s_i64: - tcg_out_modrm(s, 0x63 | P_REXW, args[0], args[1]); - break; - case INDEX_op_ext8u_i32: - case INDEX_op_ext8u_i64: - tcg_out_modrm(s, 0xb6 | P_EXT | P_REXB_RM, args[0], args[1]); - break; - case INDEX_op_ext16u_i32: - case INDEX_op_ext16u_i64: - tcg_out_modrm(s, 0xb7 | P_EXT, args[0], args[1]); - break; - case INDEX_op_ext32u_i64: - tcg_out_modrm(s, 0x8b, args[0], args[1]); - break; - - case INDEX_op_setcond_i32: - tcg_out_setcond(s, args[3], args[0], args[1], args[2], - const_args[2], 0); - break; - case INDEX_op_setcond_i64: - tcg_out_setcond(s, args[3], args[0], args[1], args[2], - const_args[2], P_REXW); - break; - - case INDEX_op_qemu_ld8u: - tcg_out_qemu_ld(s, args, 0); - break; - case INDEX_op_qemu_ld8s: - tcg_out_qemu_ld(s, args, 0 | 4); - break; - case INDEX_op_qemu_ld16u: - tcg_out_qemu_ld(s, args, 1); - break; - case INDEX_op_qemu_ld16s: - tcg_out_qemu_ld(s, args, 1 | 4); - break; - case INDEX_op_qemu_ld32: - case INDEX_op_qemu_ld32u: - tcg_out_qemu_ld(s, args, 2); - break; - case INDEX_op_qemu_ld32s: - tcg_out_qemu_ld(s, args, 2 | 4); - break; - case INDEX_op_qemu_ld64: - tcg_out_qemu_ld(s, args, 3); - break; - - case INDEX_op_qemu_st8: - tcg_out_qemu_st(s, args, 0); - break; - case INDEX_op_qemu_st16: - tcg_out_qemu_st(s, args, 1); - break; - case INDEX_op_qemu_st32: - tcg_out_qemu_st(s, args, 2); - break; - case INDEX_op_qemu_st64: - tcg_out_qemu_st(s, args, 3); - break; - - default: - tcg_abort(); - } -} - -static int tcg_target_callee_save_regs[] = { - TCG_REG_RBP, - TCG_REG_RBX, - TCG_REG_R12, - TCG_REG_R13, - /* TCG_REG_R14, */ /* currently used for the global env, so no - need to save */ - TCG_REG_R15, -}; - -static inline void tcg_out_push(TCGContext *s, int reg) -{ - tcg_out_opc(s, (0x50 + (reg & 7)), 0, reg, 0); -} - -static inline void tcg_out_pop(TCGContext *s, int reg) -{ - tcg_out_opc(s, (0x58 + (reg & 7)), 0, reg, 0); -} - -/* Generate global QEMU prologue and epilogue code */ -static void tcg_target_qemu_prologue(TCGContext *s) -{ - int i, frame_size, push_size, stack_addend; - - /* TB prologue */ - /* save all callee saved registers */ - for(i = 0; i < ARRAY_SIZE(tcg_target_callee_save_regs); i++) { - tcg_out_push(s, tcg_target_callee_save_regs[i]); - - } - /* reserve some stack space */ - push_size = 8 + ARRAY_SIZE(tcg_target_callee_save_regs) * 8; - frame_size = push_size + TCG_STATIC_CALL_ARGS_SIZE; - frame_size = (frame_size + TCG_TARGET_STACK_ALIGN - 1) & - ~(TCG_TARGET_STACK_ALIGN - 1); - stack_addend = frame_size - push_size; - tcg_out_addi(s, TCG_REG_RSP, -stack_addend); - - tcg_out_modrm(s, 0xff, 4, TCG_REG_RDI); /* jmp *%rdi */ - - /* TB epilogue */ - tb_ret_addr = s->code_ptr; - tcg_out_addi(s, TCG_REG_RSP, stack_addend); - for(i = ARRAY_SIZE(tcg_target_callee_save_regs) - 1; i >= 0; i--) { - tcg_out_pop(s, tcg_target_callee_save_regs[i]); - } - tcg_out8(s, 0xc3); /* ret */ -} - -static const TCGTargetOpDef x86_64_op_defs[] = { - { INDEX_op_exit_tb, { } }, - { INDEX_op_goto_tb, { } }, - { INDEX_op_call, { "ri" } }, /* XXX: might need a specific constant constraint */ - { INDEX_op_jmp, { "ri" } }, /* XXX: might need a specific constant constraint */ - { INDEX_op_br, { } }, - - { INDEX_op_mov_i32, { "r", "r" } }, - { INDEX_op_movi_i32, { "r" } }, - { INDEX_op_ld8u_i32, { "r", "r" } }, - { INDEX_op_ld8s_i32, { "r", "r" } }, - { INDEX_op_ld16u_i32, { "r", "r" } }, - { INDEX_op_ld16s_i32, { "r", "r" } }, - { INDEX_op_ld_i32, { "r", "r" } }, - { INDEX_op_st8_i32, { "r", "r" } }, - { INDEX_op_st16_i32, { "r", "r" } }, - { INDEX_op_st_i32, { "r", "r" } }, - - { INDEX_op_add_i32, { "r", "0", "ri" } }, - { INDEX_op_mul_i32, { "r", "0", "ri" } }, - { INDEX_op_div2_i32, { "a", "d", "0", "1", "r" } }, - { INDEX_op_divu2_i32, { "a", "d", "0", "1", "r" } }, - { INDEX_op_sub_i32, { "r", "0", "ri" } }, - { INDEX_op_and_i32, { "r", "0", "ri" } }, - { INDEX_op_or_i32, { "r", "0", "ri" } }, - { INDEX_op_xor_i32, { "r", "0", "ri" } }, - - { INDEX_op_shl_i32, { "r", "0", "ci" } }, - { INDEX_op_shr_i32, { "r", "0", "ci" } }, - { INDEX_op_sar_i32, { "r", "0", "ci" } }, - { INDEX_op_rotl_i32, { "r", "0", "ci" } }, - { INDEX_op_rotr_i32, { "r", "0", "ci" } }, - - { INDEX_op_brcond_i32, { "r", "ri" } }, - - { INDEX_op_mov_i64, { "r", "r" } }, - { INDEX_op_movi_i64, { "r" } }, - { INDEX_op_ld8u_i64, { "r", "r" } }, - { INDEX_op_ld8s_i64, { "r", "r" } }, - { INDEX_op_ld16u_i64, { "r", "r" } }, - { INDEX_op_ld16s_i64, { "r", "r" } }, - { INDEX_op_ld32u_i64, { "r", "r" } }, - { INDEX_op_ld32s_i64, { "r", "r" } }, - { INDEX_op_ld_i64, { "r", "r" } }, - { INDEX_op_st8_i64, { "r", "r" } }, - { INDEX_op_st16_i64, { "r", "r" } }, - { INDEX_op_st32_i64, { "r", "r" } }, - { INDEX_op_st_i64, { "r", "r" } }, - - { INDEX_op_add_i64, { "r", "0", "re" } }, - { INDEX_op_mul_i64, { "r", "0", "re" } }, - { INDEX_op_div2_i64, { "a", "d", "0", "1", "r" } }, - { INDEX_op_divu2_i64, { "a", "d", "0", "1", "r" } }, - { INDEX_op_sub_i64, { "r", "0", "re" } }, - { INDEX_op_and_i64, { "r", "0", "reZ" } }, - { INDEX_op_or_i64, { "r", "0", "re" } }, - { INDEX_op_xor_i64, { "r", "0", "re" } }, - - { INDEX_op_shl_i64, { "r", "0", "ci" } }, - { INDEX_op_shr_i64, { "r", "0", "ci" } }, - { INDEX_op_sar_i64, { "r", "0", "ci" } }, - { INDEX_op_rotl_i64, { "r", "0", "ci" } }, - { INDEX_op_rotr_i64, { "r", "0", "ci" } }, - - { INDEX_op_brcond_i64, { "r", "re" } }, - - { INDEX_op_bswap16_i32, { "r", "0" } }, - { INDEX_op_bswap16_i64, { "r", "0" } }, - { INDEX_op_bswap32_i32, { "r", "0" } }, - { INDEX_op_bswap32_i64, { "r", "0" } }, - { INDEX_op_bswap64_i64, { "r", "0" } }, - - { INDEX_op_neg_i32, { "r", "0" } }, - { INDEX_op_neg_i64, { "r", "0" } }, - - { INDEX_op_not_i32, { "r", "0" } }, - { INDEX_op_not_i64, { "r", "0" } }, - - { INDEX_op_ext8s_i32, { "r", "r"} }, - { INDEX_op_ext16s_i32, { "r", "r"} }, - { INDEX_op_ext8s_i64, { "r", "r"} }, - { INDEX_op_ext16s_i64, { "r", "r"} }, - { INDEX_op_ext32s_i64, { "r", "r"} }, - { INDEX_op_ext8u_i32, { "r", "r"} }, - { INDEX_op_ext16u_i32, { "r", "r"} }, - { INDEX_op_ext8u_i64, { "r", "r"} }, - { INDEX_op_ext16u_i64, { "r", "r"} }, - { INDEX_op_ext32u_i64, { "r", "r"} }, - - { INDEX_op_setcond_i32, { "r", "r", "ri" } }, - { INDEX_op_setcond_i64, { "r", "r", "re" } }, - - { INDEX_op_qemu_ld8u, { "r", "L" } }, - { INDEX_op_qemu_ld8s, { "r", "L" } }, - { INDEX_op_qemu_ld16u, { "r", "L" } }, - { INDEX_op_qemu_ld16s, { "r", "L" } }, - { INDEX_op_qemu_ld32, { "r", "L" } }, - { INDEX_op_qemu_ld32u, { "r", "L" } }, - { INDEX_op_qemu_ld32s, { "r", "L" } }, - { INDEX_op_qemu_ld64, { "r", "L" } }, - - { INDEX_op_qemu_st8, { "L", "L" } }, - { INDEX_op_qemu_st16, { "L", "L" } }, - { INDEX_op_qemu_st32, { "L", "L" } }, - { INDEX_op_qemu_st64, { "L", "L" } }, - - { -1 }, -}; - -static void tcg_target_init(TCGContext *s) -{ -#if !defined(CONFIG_USER_ONLY) - /* fail safe */ - if ((1 << CPU_TLB_ENTRY_BITS) != sizeof(CPUTLBEntry)) - tcg_abort(); -#endif - - tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffff); - tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I64], 0, 0xffff); - tcg_regset_set32(tcg_target_call_clobber_regs, 0, - (1 << TCG_REG_RDI) | - (1 << TCG_REG_RSI) | - (1 << TCG_REG_RDX) | - (1 << TCG_REG_RCX) | - (1 << TCG_REG_R8) | - (1 << TCG_REG_R9) | - (1 << TCG_REG_RAX) | - (1 << TCG_REG_R10) | - (1 << TCG_REG_R11)); - - tcg_regset_clear(s->reserved_regs); - tcg_regset_set_reg(s->reserved_regs, TCG_REG_RSP); - - tcg_add_target_add_op_defs(x86_64_op_defs); -} diff --git a/tcg/x86_64/tcg-target.h b/tcg/x86_64/tcg-target.h deleted file mode 100644 index e0eabaa1b4..0000000000 --- a/tcg/x86_64/tcg-target.h +++ /dev/null @@ -1,101 +0,0 @@ -/* - * Tiny Code Generator for QEMU - * - * Copyright (c) 2008 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#define TCG_TARGET_X86_64 1 - -#define TCG_TARGET_REG_BITS 64 -//#define TCG_TARGET_WORDS_BIGENDIAN - -#define TCG_TARGET_NB_REGS 16 - -enum { - TCG_REG_RAX = 0, - TCG_REG_RCX, - TCG_REG_RDX, - TCG_REG_RBX, - TCG_REG_RSP, - TCG_REG_RBP, - TCG_REG_RSI, - TCG_REG_RDI, - TCG_REG_R8, - TCG_REG_R9, - TCG_REG_R10, - TCG_REG_R11, - TCG_REG_R12, - TCG_REG_R13, - TCG_REG_R14, - TCG_REG_R15, -}; - -#define TCG_CT_CONST_S32 0x100 -#define TCG_CT_CONST_U32 0x200 - -/* used for function call generation */ -#define TCG_REG_CALL_STACK TCG_REG_RSP -#define TCG_TARGET_STACK_ALIGN 16 -#define TCG_TARGET_CALL_STACK_OFFSET 0 - -/* optional instructions */ -#define TCG_TARGET_HAS_div2_i32 -#define TCG_TARGET_HAS_div2_i64 -#define TCG_TARGET_HAS_bswap16_i32 -#define TCG_TARGET_HAS_bswap16_i64 -#define TCG_TARGET_HAS_bswap32_i32 -#define TCG_TARGET_HAS_bswap32_i64 -#define TCG_TARGET_HAS_bswap64_i64 -#define TCG_TARGET_HAS_neg_i32 -#define TCG_TARGET_HAS_neg_i64 -#define TCG_TARGET_HAS_not_i32 -#define TCG_TARGET_HAS_not_i64 -#define TCG_TARGET_HAS_ext8s_i32 -#define TCG_TARGET_HAS_ext16s_i32 -#define TCG_TARGET_HAS_ext8s_i64 -#define TCG_TARGET_HAS_ext16s_i64 -#define TCG_TARGET_HAS_ext32s_i64 -#define TCG_TARGET_HAS_ext8u_i32 -#define TCG_TARGET_HAS_ext16u_i32 -#define TCG_TARGET_HAS_ext8u_i64 -#define TCG_TARGET_HAS_ext16u_i64 -#define TCG_TARGET_HAS_ext32u_i64 -#define TCG_TARGET_HAS_rot_i32 -#define TCG_TARGET_HAS_rot_i64 - -// #define TCG_TARGET_HAS_andc_i32 -// #define TCG_TARGET_HAS_andc_i64 -// #define TCG_TARGET_HAS_orc_i32 -// #define TCG_TARGET_HAS_orc_i64 -// #define TCG_TARGET_HAS_eqv_i32 -// #define TCG_TARGET_HAS_eqv_i64 -// #define TCG_TARGET_HAS_nand_i32 -// #define TCG_TARGET_HAS_nand_i64 -// #define TCG_TARGET_HAS_nor_i32 -// #define TCG_TARGET_HAS_nor_i64 - -#define TCG_TARGET_HAS_GUEST_BASE - -/* Note: must be synced with dyngen-exec.h */ -#define TCG_AREG0 TCG_REG_R14 - -static inline void flush_icache_range(unsigned long start, unsigned long stop) -{ -} -- cgit v1.2.3