|  | //===- subzero/src/IceInstX8632.def - X-macros for x86-32 insts -*- C++ -*-===// | 
|  | // | 
|  | //                        The Subzero Code Generator | 
|  | // | 
|  | // This file is distributed under the University of Illinois Open Source | 
|  | // License. See LICENSE.TXT for details. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // This file defines properties of lowered x86-32 instructions in the | 
|  | // form of x-macros. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #ifndef SUBZERO_SRC_ICEINSTX8632_DEF | 
|  | #define SUBZERO_SRC_ICEINSTX8632_DEF | 
|  |  | 
|  | #include "IceRegList.h" | 
|  |  | 
|  | // x86-32 ABI: | 
|  | //   Scratch GPRs: eax, ecx, edx | 
|  | //   Callee-save GPRs: ebx, ebp, esi, edi | 
|  | //   Scratch XMMs: xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7 | 
|  | // Key to table columns: | 
|  | //   val: Enum value, when a specific register is needed during lowering. | 
|  | //   encode: Encoding in the integrated assembler. | 
|  | //   name: Name used for the external assembler. | 
|  | //   scratch: Scratch (caller-save) register. | 
|  | //   preserved: Preserved (callee-save) register. | 
|  | //   stackptr: This register is used as the stack pointer. | 
|  | //   frameptr: This register is used as the frame pointer if needed. | 
|  | //   isGPR: This is a GPR (integer-type). | 
|  | //   is64: This is a 64-bit GPR. | 
|  | //   is32: This is a 32-bit GPR. | 
|  | //   is16: This is a 16-bit GPR. | 
|  | //   is8: This is an 8-bit GPR. | 
|  | //   isXmm: This is an XMM register for FP and vector ops. | 
|  | //   is64To8: A 64-bit GPR truncable to 8-bit. | 
|  | //   is32To8: A 32-bit GPR truncable to 8-bit. | 
|  | //   is16To8: A 16-bit GPR truncable to 8-bit. | 
|  | //   isTrunc8Rcvr: An 8-bit GPR that a wider GPR trivially truncates to. | 
|  | //   isAhRcvr: An 8-bit GPR that register "ah" can be assigned to. | 
|  | //   aliases: List of register aliases, which need not include this register. | 
|  | #define REGX8632_BYTEREG_TABLE                                                 \ | 
|  | /* val, encode, name, base, scratch,preserved,stackptr,frameptr,             \ | 
|  | isGPR,is64,is32,is16,is8, isXmm,                                          \ | 
|  | is64To8,is32To8,is16To8,isTrunc8Rcvr,isAhRcvr, aliases */                 \ | 
|  | /* 8-bit registers */                                                        \ | 
|  | X(Reg_al, 0, "al", Reg_eax, 1,0,0,0, 1,0,0,0,1, 0, 0,0,0,1,1,                \ | 
|  | REGLIST2(RegX8632, eax, ax))                                               \ | 
|  | X(Reg_cl, 1, "cl", Reg_ecx, 1,0,0,0, 1,0,0,0,1, 0, 0,0,0,1,1,                \ | 
|  | REGLIST2(RegX8632, ecx, cx))                                               \ | 
|  | X(Reg_dl, 2, "dl", Reg_edx, 1,0,0,0, 1,0,0,0,1, 0, 0,0,0,1,1,                \ | 
|  | REGLIST2(RegX8632, edx, dx))                                               \ | 
|  | X(Reg_bl, 3, "bl", Reg_ebx, 0,1,0,0, 1,0,0,0,1, 0, 0,0,0,1,1,                \ | 
|  | REGLIST2(RegX8632, ebx, bx))                                               \ | 
|  | /* High 8-bit registers */                                                   \ | 
|  | X(Reg_ah, 4, "ah", Reg_eax, 1,0,0,0, 1,0,0,0,1, 0, 0,0,0,0,1,                \ | 
|  | REGLIST2(RegX8632, eax, ax))                                               \ | 
|  | X(Reg_ch, 5, "ch", Reg_ecx, 1,0,0,0, 1,0,0,0,1, 0, 0,0,0,0,1,                \ | 
|  | REGLIST2(RegX8632, ecx, cx))                                               \ | 
|  | X(Reg_dh, 6, "dh", Reg_edx, 1,0,0,0, 1,0,0,0,1, 0, 0,0,0,0,1,                \ | 
|  | REGLIST2(RegX8632, edx, dx))                                               \ | 
|  | X(Reg_bh, 7, "bh", Reg_ebx, 0,1,0,0, 1,0,0,0,1, 0, 0,0,0,0,1,                \ | 
|  | REGLIST2(RegX8632, ebx, bx))                                               \ | 
|  | /* End of 8-bit register set */ | 
|  | //#define X(val, encode, name, base, scratch, preserved, stackptr, frameptr, | 
|  | //          isGPR, is64, is32, is16, is8, isXmm, is64To8, is32To8, is16To8, | 
|  | //          isTrunc8Rcvr, isAhRcvr, aliases) | 
|  |  | 
|  | #define REGX8632_GPR_TABLE                                                     \ | 
|  | /* val, encode, name, base, scratch,preserved,stackptr,frameptr,             \ | 
|  | isGPR,is64,is32,is16,is8, isXmm,                                          \ | 
|  | is64To8,is32To8,is16To8,isTrunc8Rcvr,isAhRcvr, aliases */                 \ | 
|  | /* 32-bit registers */                                                       \ | 
|  | X(Reg_eax, 0, "eax", Reg_eax, 1,0,0,0, 1,0,1,0,0, 0, 0,1,0,0,0,              \ | 
|  | REGLIST3(RegX8632, ax, al, ah))                                            \ | 
|  | X(Reg_ecx, 1, "ecx", Reg_ecx, 1,0,0,0, 1,0,1,0,0, 0, 0,1,0,0,0,              \ | 
|  | REGLIST3(RegX8632, cx, cl, ch))                                            \ | 
|  | X(Reg_edx, 2, "edx", Reg_edx, 1,0,0,0, 1,0,1,0,0, 0, 0,1,0,0,0,              \ | 
|  | REGLIST3(RegX8632, dx, dl, dh))                                            \ | 
|  | X(Reg_ebx, 3, "ebx", Reg_ebx, 0,1,0,0, 1,0,1,0,0, 0, 0,1,0,0,0,              \ | 
|  | REGLIST3(RegX8632, bx, bl, bh))                                            \ | 
|  | X(Reg_esp, 4, "esp", Reg_esp, 0,0,1,0, 1,0,0,0,0, 0, 0,0,0,0,0,              \ | 
|  | REGLIST1(RegX8632, sp))                                                    \ | 
|  | X(Reg_ebp, 5, "ebp", Reg_ebp, 0,1,0,1, 1,0,1,0,0, 0, 0,0,0,0,0,              \ | 
|  | REGLIST1(RegX8632, bp))                                                    \ | 
|  | X(Reg_esi, 6, "esi", Reg_esi, 0,1,0,0, 1,0,1,0,0, 0, 0,0,0,0,0,              \ | 
|  | REGLIST1(RegX8632, si))                                                    \ | 
|  | X(Reg_edi, 7, "edi", Reg_edi, 0,1,0,0, 1,0,1,0,0, 0, 0,0,0,0,0,              \ | 
|  | REGLIST1(RegX8632, di))                                                    \ | 
|  | /* 16-bit registers */                                                       \ | 
|  | X(Reg_ax, 0, "ax", Reg_eax, 1,0,0,0, 1,0,0,1,0, 0, 0,0,1,0,0,                \ | 
|  | REGLIST3(RegX8632, eax, al, ah))                                           \ | 
|  | X(Reg_cx, 1, "cx", Reg_ecx, 1,0,0,0, 1,0,0,1,0, 0, 0,0,1,0,0,                \ | 
|  | REGLIST3(RegX8632, ecx, cl, ch))                                           \ | 
|  | X(Reg_dx, 2, "dx", Reg_edx, 1,0,0,0, 1,0,0,1,0, 0, 0,0,1,0,0,                \ | 
|  | REGLIST3(RegX8632, edx, dl, dh))                                           \ | 
|  | X(Reg_bx, 3, "bx", Reg_ebx, 0,1,0,0, 1,0,0,1,0, 0, 0,0,1,0,0,                \ | 
|  | REGLIST3(RegX8632, ebx, bl, bh))                                           \ | 
|  | X(Reg_sp, 4, "sp", Reg_esp, 0,0,1,0, 1,0,0,0,0, 0, 0,0,0,0,0,                \ | 
|  | REGLIST1(RegX8632, esp))                                                   \ | 
|  | X(Reg_bp, 5, "bp", Reg_ebp, 0,1,0,1, 1,0,0,1,0, 0, 0,0,0,0,0,                \ | 
|  | REGLIST1(RegX8632, ebp))                                                   \ | 
|  | X(Reg_si, 6, "si", Reg_esi, 0,1,0,0, 1,0,0,1,0, 0, 0,0,0,0,0,                \ | 
|  | REGLIST1(RegX8632, esi))                                                   \ | 
|  | X(Reg_di, 7, "di", Reg_edi, 0,1,0,0, 1,0,0,1,0, 0, 0,0,0,0,0,                \ | 
|  | REGLIST1(RegX8632, edi))                                                   \ | 
|  | /* 8-bit registers */                                                        \ | 
|  | REGX8632_BYTEREG_TABLE                                                       \ | 
|  | /* End of GPR register set */ | 
|  | //#define X(val, encode, name, base, scratch, preserved, stackptr, frameptr, | 
|  | //          isGPR, is64, is32, is16, is8, isXmm, is64To8, is32To8, is16To8, | 
|  | //          isTrunc8Rcvr, isAhRcvr, aliases) | 
|  |  | 
|  | // Note: It would be more appropriate to list the xmm register aliases as | 
|  | // REGLIST0(), but the corresponding empty initializer gives a syntax error, so | 
|  | // we use REGLIST1() to redundantly assign the register itself as an alias. | 
|  | #define REGX8632_XMM_TABLE                                                     \ | 
|  | /* val, encode, name, base, scratch,preserved,stackptr,frameptr,             \ | 
|  | isGPR,is64,is32,is16,is8, isXmm,                                          \ | 
|  | is64To8,is32To8,is16To8,isTrunc8Rcvr,isAhRcvr, aliases */                 \ | 
|  | /* xmm registers */                                                          \ | 
|  | X(Reg_xmm0, 0, "xmm0", Reg_xmm0, 1,0,0,0, 0,0,0,0,0, 1, 0,0,0,0,0,           \ | 
|  | NO_ALIASES())                                                              \ | 
|  | X(Reg_xmm1, 1, "xmm1", Reg_xmm1, 1,0,0,0, 0,0,0,0,0, 1, 0,0,0,0,0,           \ | 
|  | NO_ALIASES())                                                              \ | 
|  | X(Reg_xmm2, 2, "xmm2", Reg_xmm2, 1,0,0,0, 0,0,0,0,0, 1, 0,0,0,0,0,           \ | 
|  | NO_ALIASES())                                                              \ | 
|  | X(Reg_xmm3, 3, "xmm3", Reg_xmm3, 1,0,0,0, 0,0,0,0,0, 1, 0,0,0,0,0,           \ | 
|  | NO_ALIASES())                                                              \ | 
|  | X(Reg_xmm4, 4, "xmm4", Reg_xmm4, 1,0,0,0, 0,0,0,0,0, 1, 0,0,0,0,0,           \ | 
|  | NO_ALIASES())                                                              \ | 
|  | X(Reg_xmm5, 5, "xmm5", Reg_xmm5, 1,0,0,0, 0,0,0,0,0, 1, 0,0,0,0,0,           \ | 
|  | NO_ALIASES())                                                              \ | 
|  | X(Reg_xmm6, 6, "xmm6", Reg_xmm6, 1,0,0,0, 0,0,0,0,0, 1, 0,0,0,0,0,           \ | 
|  | NO_ALIASES())                                                              \ | 
|  | X(Reg_xmm7, 7, "xmm7", Reg_xmm7, 1,0,0,0, 0,0,0,0,0, 1, 0,0,0,0,0,           \ | 
|  | NO_ALIASES())                                                              \ | 
|  | /* End of xmm register set */ | 
|  | //#define X(val, encode, name, base, scratch, preserved, stackptr, frameptr, | 
|  | //          isGPR, is64, is32, is16, is8, isXmm, is64To8, is32To8, is16To8, | 
|  | //          isTrunc8Rcvr, isAhRcvr, aliases) | 
|  |  | 
|  | // We also provide a combined table, so that there is a namespace where | 
|  | // all of the registers are considered and have distinct numberings. | 
|  | // This is in contrast to the above, where the "encode" is based on how | 
|  | // the register numbers will be encoded in binaries and values can overlap. | 
|  | #define REGX8632_TABLE                                                         \ | 
|  | REGX8632_GPR_TABLE                                                           \ | 
|  | REGX8632_XMM_TABLE | 
|  | //#define X(val, encode, name, base, scratch, preserved, stackptr, frameptr, | 
|  | //          isGPR, is64, is32, is16, is8, isXmm, is64To8, is32To8, is16To8, | 
|  | //          isTrunc8Rcvr, isAhRcvr, aliases) | 
|  |  | 
|  | // X86 segment registers. | 
|  | #define SEG_REGX8632_TABLE                                                     \ | 
|  | /* val, name, prefix */                                                      \ | 
|  | X(SegReg_CS, "cs", 0x2E)                                                     \ | 
|  | X(SegReg_DS, "ds", 0x3E)                                                     \ | 
|  | X(SegReg_ES, "es", 0x26)                                                     \ | 
|  | X(SegReg_SS, "ss", 0x36)                                                     \ | 
|  | X(SegReg_FS, "fs", 0x64)                                                     \ | 
|  | X(SegReg_GS, "gs", 0x65) | 
|  | //#define X(val, name, prefix) | 
|  |  | 
|  | // X87 ST(n) registers. | 
|  | #define X87ST_REGX8632_TABLE                                                   \ | 
|  | /* val, encode, name */                                                      \ | 
|  | X(X87ST_First, 0, "st(0)")                                                   \ | 
|  | X(X87ST_0, 0, "st(0)")                                                       \ | 
|  | X(X87ST_1, 1, "st(1)")                                                       \ | 
|  | X(X87ST_2, 2, "st(2)")                                                       \ | 
|  | X(X87ST_3, 3, "st(3)")                                                       \ | 
|  | X(X87ST_4, 4, "st(4)")                                                       \ | 
|  | X(X87ST_5, 5, "st(5)")                                                       \ | 
|  | X(X87ST_6, 6, "st(6)")                                                       \ | 
|  | X(X87ST_7, 7, "st(7)")                                                       \ | 
|  | X(X87ST_Last, 7, "st(7)") | 
|  | //#define X(val, encode, name) | 
|  |  | 
|  | #define ICEINSTX8632BR_TABLE                                                   \ | 
|  | /* val, encode, opposite, dump, emit */                                      \ | 
|  | X(Br_o,  0,  Br_no, "o",  "jo")                                              \ | 
|  | X(Br_no, 1,  Br_o,  "no", "jno")                                             \ | 
|  | X(Br_b,  2,  Br_ae, "b",  "jb")                                              \ | 
|  | X(Br_ae, 3,  Br_b,  "ae", "jae")                                             \ | 
|  | X(Br_e,  4,  Br_ne, "e",  "je")                                              \ | 
|  | X(Br_ne, 5,  Br_e,  "ne", "jne")                                             \ | 
|  | X(Br_be, 6,  Br_a,  "be", "jbe")                                             \ | 
|  | X(Br_a,  7,  Br_be, "a",  "ja")                                              \ | 
|  | X(Br_s,  8,  Br_ns, "s",  "js")                                              \ | 
|  | X(Br_ns, 9,  Br_s,  "ns", "jns")                                             \ | 
|  | X(Br_p,  10, Br_np, "p",  "jp")                                              \ | 
|  | X(Br_np, 11, Br_p,  "np", "jnp")                                             \ | 
|  | X(Br_l,  12, Br_ge, "l",  "jl")                                              \ | 
|  | X(Br_ge, 13, Br_l,  "ge", "jge")                                             \ | 
|  | X(Br_le, 14, Br_g,  "le", "jle")                                             \ | 
|  | X(Br_g,  15, Br_le, "g",  "jg") | 
|  | //#define X(val, encode, opp, dump, emit) | 
|  |  | 
|  | #define ICEINSTX8632CMPPS_TABLE                                                \ | 
|  | /* val, emit */                                                              \ | 
|  | X(Cmpps_eq,    "eq")                                                         \ | 
|  | X(Cmpps_lt,    "lt")                                                         \ | 
|  | X(Cmpps_le,    "le")                                                         \ | 
|  | X(Cmpps_unord, "unord")                                                      \ | 
|  | X(Cmpps_neq,   "neq")                                                        \ | 
|  | X(Cmpps_nlt,   "nlt")                                                        \ | 
|  | X(Cmpps_nle,   "nle")                                                        \ | 
|  | X(Cmpps_ord,   "ord") | 
|  | //#define X(val, emit) | 
|  |  | 
|  | #define ICETYPEX8632_TABLE                                                     \ | 
|  | /* tag,  elty, cvt,  sdss, pdps, spsd, int_, unpack, pack, width, fld */     \ | 
|  | X(void,  void, "?",  "",   "",   "",   "",   "",     "",   "",    "")        \ | 
|  | X(i1,    void, "si", "",   "",   "",   "",   "",     "",   "b",   "")        \ | 
|  | X(i8,    void, "si", "",   "",   "",   "",   "",     "",   "b",   "")        \ | 
|  | X(i16,   void, "si", "",   "",   "",   "",   "",     "",   "w",   "")        \ | 
|  | X(i32,   void, "si", "",   "",   "",   "",   "",     "",   "l",   "")        \ | 
|  | X(i64,   void, "si", "",   "",   "",   "",   "",     "",   "q",   "")        \ | 
|  | X(f32,   void, "ss", "ss", "ps", "ss", "d",  "",     "",   "",    "s")       \ | 
|  | X(f64,   void, "sd", "sd", "pd", "sd", "q",  "",     "",   "",    "l")       \ | 
|  | X(v4i1,  i32,  "?",  "",   "",   "",   "d",  "dq",   "",   "",    "")        \ | 
|  | X(v8i1,  i16,  "?",  "",   "",   "",   "w",  "wd",   "",   "",    "")        \ | 
|  | X(v16i1, i8,   "?",  "",   "",   "",   "b",  "bw",   "",   "",    "")        \ | 
|  | X(v16i8, i8,   "?",  "",   "",   "",   "b",  "bw",   "",   "",    "")        \ | 
|  | X(v8i16, i16,  "?",  "",   "",   "",   "w",  "wd",   "wb", "",    "")        \ | 
|  | X(v4i32, i32,  "dq", "",   "",   "",   "d",  "dq",   "dw", "",    "")        \ | 
|  | X(v4f32, f32,  "ps", "",   "ps", "ps", "d",  "dq",   "",   "",    "") | 
|  | //#define X(tag, elty, cvt, sdss, pdps, spsd, int_, unpack, pack, width, fld) | 
|  |  | 
|  | #endif // SUBZERO_SRC_ICEINSTX8632_DEF |