diff options
Diffstat (limited to 'qemu/tcg/ia64/tcg-target.c')
| -rw-r--r-- | qemu/tcg/ia64/tcg-target.c | 2445 |
1 files changed, 2445 insertions, 0 deletions
diff --git a/qemu/tcg/ia64/tcg-target.c b/qemu/tcg/ia64/tcg-target.c new file mode 100644 index 000000000..81cb9f79f --- /dev/null +++ b/qemu/tcg/ia64/tcg-target.c @@ -0,0 +1,2445 @@ +/* + * Tiny Code Generator for QEMU + * + * Copyright (c) 2009-2010 Aurelien Jarno <aurelien@aurel32.net> + * Based on i386/tcg-target.c - 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. + */ + +/* + * Register definitions + */ + +#ifndef NDEBUG +static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = { + "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", + "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", + "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", + "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", + "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r39", + "r40", "r41", "r42", "r43", "r44", "r45", "r46", "r47", + "r48", "r49", "r50", "r51", "r52", "r53", "r54", "r55", + "r56", "r57", "r58", "r59", "r60", "r61", "r62", "r63", +}; +#endif + +#ifdef CONFIG_USE_GUEST_BASE +#define TCG_GUEST_BASE_REG TCG_REG_R55 +#else +#define TCG_GUEST_BASE_REG TCG_REG_R0 +#endif +#ifndef GUEST_BASE +#define GUEST_BASE 0 +#endif + +/* Branch registers */ +enum { + TCG_REG_B0 = 0, + TCG_REG_B1, + TCG_REG_B2, + TCG_REG_B3, + TCG_REG_B4, + TCG_REG_B5, + TCG_REG_B6, + TCG_REG_B7, +}; + +/* Floating point registers */ +enum { + TCG_REG_F0 = 0, + TCG_REG_F1, + TCG_REG_F2, + TCG_REG_F3, + TCG_REG_F4, + TCG_REG_F5, + TCG_REG_F6, + TCG_REG_F7, + TCG_REG_F8, + TCG_REG_F9, + TCG_REG_F10, + TCG_REG_F11, + TCG_REG_F12, + TCG_REG_F13, + TCG_REG_F14, + TCG_REG_F15, +}; + +/* Predicate registers */ +enum { + TCG_REG_P0 = 0, + TCG_REG_P1, + TCG_REG_P2, + TCG_REG_P3, + TCG_REG_P4, + TCG_REG_P5, + TCG_REG_P6, + TCG_REG_P7, + TCG_REG_P8, + TCG_REG_P9, + TCG_REG_P10, + TCG_REG_P11, + TCG_REG_P12, + TCG_REG_P13, + TCG_REG_P14, + TCG_REG_P15, +}; + +/* Application registers */ +enum { + TCG_REG_PFS = 64, +}; + +static const int tcg_target_reg_alloc_order[] = { + TCG_REG_R35, + TCG_REG_R36, + TCG_REG_R37, + TCG_REG_R38, + TCG_REG_R39, + TCG_REG_R40, + TCG_REG_R41, + TCG_REG_R42, + TCG_REG_R43, + TCG_REG_R44, + TCG_REG_R45, + TCG_REG_R46, + TCG_REG_R47, + TCG_REG_R48, + TCG_REG_R49, + TCG_REG_R50, + TCG_REG_R51, + TCG_REG_R52, + TCG_REG_R53, + TCG_REG_R54, + TCG_REG_R55, + TCG_REG_R14, + TCG_REG_R15, + TCG_REG_R16, + TCG_REG_R17, + TCG_REG_R18, + TCG_REG_R19, + TCG_REG_R20, + TCG_REG_R21, + TCG_REG_R22, + TCG_REG_R23, + TCG_REG_R24, + TCG_REG_R25, + TCG_REG_R26, + TCG_REG_R27, + TCG_REG_R28, + TCG_REG_R29, + TCG_REG_R30, + TCG_REG_R31, + TCG_REG_R56, + TCG_REG_R57, + TCG_REG_R58, + TCG_REG_R59, + TCG_REG_R60, + TCG_REG_R61, + TCG_REG_R62, + TCG_REG_R63, + TCG_REG_R8, + TCG_REG_R9, + TCG_REG_R10, + TCG_REG_R11 +}; + +static const int tcg_target_call_iarg_regs[8] = { + TCG_REG_R56, + TCG_REG_R57, + TCG_REG_R58, + TCG_REG_R59, + TCG_REG_R60, + TCG_REG_R61, + TCG_REG_R62, + TCG_REG_R63, +}; + +static const int tcg_target_call_oarg_regs[] = { + TCG_REG_R8 +}; + +/* + * opcode formation + */ + +/* bundle templates: stops (double bar in the IA64 manual) are marked with + an uppercase letter. */ +enum { + mii = 0x00, + miI = 0x01, + mIi = 0x02, + mII = 0x03, + mlx = 0x04, + mLX = 0x05, + mmi = 0x08, + mmI = 0x09, + Mmi = 0x0a, + MmI = 0x0b, + mfi = 0x0c, + mfI = 0x0d, + mmf = 0x0e, + mmF = 0x0f, + mib = 0x10, + miB = 0x11, + mbb = 0x12, + mbB = 0x13, + bbb = 0x16, + bbB = 0x17, + mmb = 0x18, + mmB = 0x19, + mfb = 0x1c, + mfB = 0x1d, +}; + +enum { + OPC_ADD_A1 = 0x10000000000ull, + OPC_AND_A1 = 0x10060000000ull, + OPC_AND_A3 = 0x10160000000ull, + OPC_ANDCM_A1 = 0x10068000000ull, + OPC_ANDCM_A3 = 0x10168000000ull, + OPC_ADDS_A4 = 0x10800000000ull, + OPC_ADDL_A5 = 0x12000000000ull, + OPC_ALLOC_M34 = 0x02c00000000ull, + OPC_BR_DPTK_FEW_B1 = 0x08400000000ull, + OPC_BR_SPTK_MANY_B1 = 0x08000001000ull, + OPC_BR_CALL_SPNT_FEW_B3 = 0x0a200000000ull, + OPC_BR_SPTK_MANY_B4 = 0x00100001000ull, + OPC_BR_CALL_SPTK_MANY_B5 = 0x02100001000ull, + OPC_BR_RET_SPTK_MANY_B4 = 0x00108001100ull, + OPC_BRL_SPTK_MANY_X3 = 0x18000001000ull, + OPC_BRL_CALL_SPNT_MANY_X4 = 0x1a200001000ull, + OPC_BRL_CALL_SPTK_MANY_X4 = 0x1a000001000ull, + OPC_CMP_LT_A6 = 0x18000000000ull, + OPC_CMP_LTU_A6 = 0x1a000000000ull, + OPC_CMP_EQ_A6 = 0x1c000000000ull, + OPC_CMP4_LT_A6 = 0x18400000000ull, + OPC_CMP4_LTU_A6 = 0x1a400000000ull, + OPC_CMP4_EQ_A6 = 0x1c400000000ull, + OPC_DEP_I14 = 0x0ae00000000ull, + OPC_DEP_I15 = 0x08000000000ull, + OPC_DEP_Z_I12 = 0x0a600000000ull, + OPC_EXTR_I11 = 0x0a400002000ull, + OPC_EXTR_U_I11 = 0x0a400000000ull, + OPC_FCVT_FX_TRUNC_S1_F10 = 0x004d0000000ull, + OPC_FCVT_FXU_TRUNC_S1_F10 = 0x004d8000000ull, + OPC_FCVT_XF_F11 = 0x000e0000000ull, + OPC_FMA_S1_F1 = 0x10400000000ull, + OPC_FNMA_S1_F1 = 0x18400000000ull, + OPC_FRCPA_S1_F6 = 0x00600000000ull, + OPC_GETF_SIG_M19 = 0x08708000000ull, + OPC_LD1_M1 = 0x08000000000ull, + OPC_LD1_M3 = 0x0a000000000ull, + OPC_LD2_M1 = 0x08040000000ull, + OPC_LD2_M3 = 0x0a040000000ull, + OPC_LD4_M1 = 0x08080000000ull, + OPC_LD4_M3 = 0x0a080000000ull, + OPC_LD8_M1 = 0x080c0000000ull, + OPC_LD8_M3 = 0x0a0c0000000ull, + OPC_MUX1_I3 = 0x0eca0000000ull, + OPC_NOP_B9 = 0x04008000000ull, + OPC_NOP_F16 = 0x00008000000ull, + OPC_NOP_I18 = 0x00008000000ull, + OPC_NOP_M48 = 0x00008000000ull, + OPC_MOV_I21 = 0x00e00100000ull, + OPC_MOV_RET_I21 = 0x00e00500000ull, + OPC_MOV_I22 = 0x00188000000ull, + OPC_MOV_I_I26 = 0x00150000000ull, + OPC_MOVL_X2 = 0x0c000000000ull, + OPC_OR_A1 = 0x10070000000ull, + OPC_OR_A3 = 0x10170000000ull, + OPC_SETF_EXP_M18 = 0x0c748000000ull, + OPC_SETF_SIG_M18 = 0x0c708000000ull, + OPC_SHL_I7 = 0x0f240000000ull, + OPC_SHR_I5 = 0x0f220000000ull, + OPC_SHR_U_I5 = 0x0f200000000ull, + OPC_SHRP_I10 = 0x0ac00000000ull, + OPC_SXT1_I29 = 0x000a0000000ull, + OPC_SXT2_I29 = 0x000a8000000ull, + OPC_SXT4_I29 = 0x000b0000000ull, + OPC_ST1_M4 = 0x08c00000000ull, + OPC_ST2_M4 = 0x08c40000000ull, + OPC_ST4_M4 = 0x08c80000000ull, + OPC_ST8_M4 = 0x08cc0000000ull, + OPC_SUB_A1 = 0x10028000000ull, + OPC_SUB_A3 = 0x10128000000ull, + OPC_UNPACK4_L_I2 = 0x0f860000000ull, + OPC_XMA_L_F2 = 0x1d000000000ull, + OPC_XOR_A1 = 0x10078000000ull, + OPC_XOR_A3 = 0x10178000000ull, + OPC_ZXT1_I29 = 0x00080000000ull, + OPC_ZXT2_I29 = 0x00088000000ull, + OPC_ZXT4_I29 = 0x00090000000ull, + + INSN_NOP_M = OPC_NOP_M48, /* nop.m 0 */ + INSN_NOP_I = OPC_NOP_I18, /* nop.i 0 */ +}; + +static inline uint64_t tcg_opc_a1(int qp, uint64_t opc, int r1, + int r2, int r3) +{ + return opc + | ((r3 & 0x7f) << 20) + | ((r2 & 0x7f) << 13) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_a3(int qp, uint64_t opc, int r1, + uint64_t imm, int r3) +{ + return opc + | ((imm & 0x80) << 29) /* s */ + | ((imm & 0x7f) << 13) /* imm7b */ + | ((r3 & 0x7f) << 20) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_a4(int qp, uint64_t opc, int r1, + uint64_t imm, int r3) +{ + return opc + | ((imm & 0x2000) << 23) /* s */ + | ((imm & 0x1f80) << 20) /* imm6d */ + | ((imm & 0x007f) << 13) /* imm7b */ + | ((r3 & 0x7f) << 20) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_a5(int qp, uint64_t opc, int r1, + uint64_t imm, int r3) +{ + return opc + | ((imm & 0x200000) << 15) /* s */ + | ((imm & 0x1f0000) << 6) /* imm5c */ + | ((imm & 0x00ff80) << 20) /* imm9d */ + | ((imm & 0x00007f) << 13) /* imm7b */ + | ((r3 & 0x03) << 20) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_a6(int qp, uint64_t opc, int p1, + int p2, int r2, int r3) +{ + return opc + | ((p2 & 0x3f) << 27) + | ((r3 & 0x7f) << 20) + | ((r2 & 0x7f) << 13) + | ((p1 & 0x3f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_b1(int qp, uint64_t opc, uint64_t imm) +{ + return opc + | ((imm & 0x100000) << 16) /* s */ + | ((imm & 0x0fffff) << 13) /* imm20b */ + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_b3(int qp, uint64_t opc, int b1, uint64_t imm) +{ + return opc + | ((imm & 0x100000) << 16) /* s */ + | ((imm & 0x0fffff) << 13) /* imm20b */ + | ((b1 & 0x7) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_b4(int qp, uint64_t opc, int b2) +{ + return opc + | ((b2 & 0x7) << 13) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_b5(int qp, uint64_t opc, int b1, int b2) +{ + return opc + | ((b2 & 0x7) << 13) + | ((b1 & 0x7) << 6) + | (qp & 0x3f); +} + + +static inline uint64_t tcg_opc_b9(int qp, uint64_t opc, uint64_t imm) +{ + return opc + | ((imm & 0x100000) << 16) /* i */ + | ((imm & 0x0fffff) << 6) /* imm20a */ + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_f1(int qp, uint64_t opc, int f1, + int f3, int f4, int f2) +{ + return opc + | ((f4 & 0x7f) << 27) + | ((f3 & 0x7f) << 20) + | ((f2 & 0x7f) << 13) + | ((f1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_f2(int qp, uint64_t opc, int f1, + int f3, int f4, int f2) +{ + return opc + | ((f4 & 0x7f) << 27) + | ((f3 & 0x7f) << 20) + | ((f2 & 0x7f) << 13) + | ((f1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_f6(int qp, uint64_t opc, int f1, + int p2, int f2, int f3) +{ + return opc + | ((p2 & 0x3f) << 27) + | ((f3 & 0x7f) << 20) + | ((f2 & 0x7f) << 13) + | ((f1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_f10(int qp, uint64_t opc, int f1, int f2) +{ + return opc + | ((f2 & 0x7f) << 13) + | ((f1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_f11(int qp, uint64_t opc, int f1, int f2) +{ + return opc + | ((f2 & 0x7f) << 13) + | ((f1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_f16(int qp, uint64_t opc, uint64_t imm) +{ + return opc + | ((imm & 0x100000) << 16) /* i */ + | ((imm & 0x0fffff) << 6) /* imm20a */ + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_i2(int qp, uint64_t opc, int r1, + int r2, int r3) +{ + return opc + | ((r3 & 0x7f) << 20) + | ((r2 & 0x7f) << 13) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_i3(int qp, uint64_t opc, int r1, + int r2, int mbtype) +{ + return opc + | ((mbtype & 0x0f) << 20) + | ((r2 & 0x7f) << 13) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_i5(int qp, uint64_t opc, int r1, + int r3, int r2) +{ + return opc + | ((r3 & 0x7f) << 20) + | ((r2 & 0x7f) << 13) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_i7(int qp, uint64_t opc, int r1, + int r2, int r3) +{ + return opc + | ((r3 & 0x7f) << 20) + | ((r2 & 0x7f) << 13) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_i10(int qp, uint64_t opc, int r1, + int r2, int r3, uint64_t count) +{ + return opc + | ((count & 0x3f) << 27) + | ((r3 & 0x7f) << 20) + | ((r2 & 0x7f) << 13) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_i11(int qp, uint64_t opc, int r1, + int r3, uint64_t pos, uint64_t len) +{ + return opc + | ((len & 0x3f) << 27) + | ((r3 & 0x7f) << 20) + | ((pos & 0x3f) << 14) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_i12(int qp, uint64_t opc, int r1, + int r2, uint64_t pos, uint64_t len) +{ + return opc + | ((len & 0x3f) << 27) + | ((pos & 0x3f) << 20) + | ((r2 & 0x7f) << 13) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_i14(int qp, uint64_t opc, int r1, uint64_t imm, + int r3, uint64_t pos, uint64_t len) +{ + return opc + | ((imm & 0x01) << 36) + | ((len & 0x3f) << 27) + | ((r3 & 0x7f) << 20) + | ((pos & 0x3f) << 14) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_i15(int qp, uint64_t opc, int r1, int r2, + int r3, uint64_t pos, uint64_t len) +{ + return opc + | ((pos & 0x3f) << 31) + | ((len & 0x0f) << 27) + | ((r3 & 0x7f) << 20) + | ((r2 & 0x7f) << 13) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_i18(int qp, uint64_t opc, uint64_t imm) +{ + return opc + | ((imm & 0x100000) << 16) /* i */ + | ((imm & 0x0fffff) << 6) /* imm20a */ + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_i21(int qp, uint64_t opc, int b1, + int r2, uint64_t imm) +{ + return opc + | ((imm & 0x1ff) << 24) + | ((r2 & 0x7f) << 13) + | ((b1 & 0x7) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_i22(int qp, uint64_t opc, int r1, int b2) +{ + return opc + | ((b2 & 0x7) << 13) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_i26(int qp, uint64_t opc, int ar3, int r2) +{ + return opc + | ((ar3 & 0x7f) << 20) + | ((r2 & 0x7f) << 13) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_i29(int qp, uint64_t opc, int r1, int r3) +{ + return opc + | ((r3 & 0x7f) << 20) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_l2(uint64_t imm) +{ + return (imm & 0x7fffffffffc00000ull) >> 22; +} + +static inline uint64_t tcg_opc_l3(uint64_t imm) +{ + return (imm & 0x07fffffffff00000ull) >> 18; +} + +#define tcg_opc_l4 tcg_opc_l3 + +static inline uint64_t tcg_opc_m1(int qp, uint64_t opc, int r1, int r3) +{ + return opc + | ((r3 & 0x7f) << 20) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_m3(int qp, uint64_t opc, int r1, + int r3, uint64_t imm) +{ + return opc + | ((imm & 0x100) << 28) /* s */ + | ((imm & 0x080) << 20) /* i */ + | ((imm & 0x07f) << 13) /* imm7b */ + | ((r3 & 0x7f) << 20) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_m4(int qp, uint64_t opc, int r2, int r3) +{ + return opc + | ((r3 & 0x7f) << 20) + | ((r2 & 0x7f) << 13) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_m18(int qp, uint64_t opc, int f1, int r2) +{ + return opc + | ((r2 & 0x7f) << 13) + | ((f1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_m19(int qp, uint64_t opc, int r1, int f2) +{ + return opc + | ((f2 & 0x7f) << 13) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_m34(int qp, uint64_t opc, int r1, + int sof, int sol, int sor) +{ + return opc + | ((sor & 0x0f) << 27) + | ((sol & 0x7f) << 20) + | ((sof & 0x7f) << 13) + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_m48(int qp, uint64_t opc, uint64_t imm) +{ + return opc + | ((imm & 0x100000) << 16) /* i */ + | ((imm & 0x0fffff) << 6) /* imm20a */ + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_x2(int qp, uint64_t opc, + int r1, uint64_t imm) +{ + return opc + | ((imm & 0x8000000000000000ull) >> 27) /* i */ + | (imm & 0x0000000000200000ull) /* ic */ + | ((imm & 0x00000000001f0000ull) << 6) /* imm5c */ + | ((imm & 0x000000000000ff80ull) << 20) /* imm9d */ + | ((imm & 0x000000000000007full) << 13) /* imm7b */ + | ((r1 & 0x7f) << 6) + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_x3(int qp, uint64_t opc, uint64_t imm) +{ + return opc + | ((imm & 0x0800000000000000ull) >> 23) /* i */ + | ((imm & 0x00000000000fffffull) << 13) /* imm20b */ + | (qp & 0x3f); +} + +static inline uint64_t tcg_opc_x4(int qp, uint64_t opc, int b1, uint64_t imm) +{ + return opc + | ((imm & 0x0800000000000000ull) >> 23) /* i */ + | ((imm & 0x00000000000fffffull) << 13) /* imm20b */ + | ((b1 & 0x7) << 6) + | (qp & 0x3f); +} + + +/* + * Relocations - Note that we never encode branches elsewhere than slot 2. + */ + +static void reloc_pcrel21b_slot2(tcg_insn_unit *pc, tcg_insn_unit *target) +{ + uint64_t imm = target - pc; + + pc->hi = (pc->hi & 0xf700000fffffffffull) + | ((imm & 0x100000) << 39) /* s */ + | ((imm & 0x0fffff) << 36); /* imm20b */ +} + +static uint64_t get_reloc_pcrel21b_slot2(tcg_insn_unit *pc) +{ + int64_t high = pc->hi; + + return ((high >> 39) & 0x100000) + /* s */ + ((high >> 36) & 0x0fffff); /* imm20b */ +} + +static void patch_reloc(tcg_insn_unit *code_ptr, int type, + intptr_t value, intptr_t addend) +{ + assert(addend == 0); + assert(type == R_IA64_PCREL21B); + reloc_pcrel21b_slot2(code_ptr, (tcg_insn_unit *)value); +} + +/* + * Constraints + */ + +/* 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 'r': + ct->ct |= TCG_CT_REG; + tcg_regset_set(ct->u.regs, 0xffffffffffffffffull); + break; + case 'I': + ct->ct |= TCG_CT_CONST_S22; + break; + case 'S': + ct->ct |= TCG_CT_REG; + tcg_regset_set(ct->u.regs, 0xffffffffffffffffull); +#if defined(CONFIG_SOFTMMU) + tcg_regset_reset_reg(ct->u.regs, TCG_REG_R56); + tcg_regset_reset_reg(ct->u.regs, TCG_REG_R57); + tcg_regset_reset_reg(ct->u.regs, TCG_REG_R58); +#endif + break; + case 'Z': + /* We are cheating a bit here, using the fact that the register + r0 is also the register number 0. Hence there is no need + to check for const_args in each instruction. */ + ct->ct |= TCG_CT_CONST_ZERO; + break; + default: + return -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, TCGType type, + const TCGArgConstraint *arg_ct) +{ + int ct; + ct = arg_ct->ct; + if (ct & TCG_CT_CONST) + return 1; + else if ((ct & TCG_CT_CONST_ZERO) && val == 0) + return 1; + else if ((ct & TCG_CT_CONST_S22) && val == ((int32_t)val << 10) >> 10) + return 1; + else + return 0; +} + +/* + * Code generation + */ + +static tcg_insn_unit *tb_ret_addr; + +static inline void tcg_out_bundle(TCGContext *s, int template, + uint64_t slot0, uint64_t slot1, + uint64_t slot2) +{ + template &= 0x1f; /* 5 bits */ + slot0 &= 0x1ffffffffffull; /* 41 bits */ + slot1 &= 0x1ffffffffffull; /* 41 bits */ + slot2 &= 0x1ffffffffffull; /* 41 bits */ + + *s->code_ptr++ = (tcg_insn_unit){ + (slot1 << 46) | (slot0 << 5) | template, + (slot2 << 23) | (slot1 >> 18) + }; +} + +static inline uint64_t tcg_opc_mov_a(int qp, TCGReg dst, TCGReg src) +{ + return tcg_opc_a4(qp, OPC_ADDS_A4, dst, 0, src); +} + +static inline void tcg_out_mov(TCGContext *s, TCGType type, + TCGReg ret, TCGReg arg) +{ + tcg_out_bundle(s, mmI, + INSN_NOP_M, + INSN_NOP_M, + tcg_opc_mov_a(TCG_REG_P0, ret, arg)); +} + +static inline uint64_t tcg_opc_movi_a(int qp, TCGReg dst, int64_t src) +{ + assert(src == sextract64(src, 0, 22)); + return tcg_opc_a5(qp, OPC_ADDL_A5, dst, src, TCG_REG_R0); +} + +static inline void tcg_out_movi(TCGContext *s, TCGType type, + TCGReg reg, tcg_target_long arg) +{ + tcg_out_bundle(s, mLX, + INSN_NOP_M, + tcg_opc_l2 (arg), + tcg_opc_x2 (TCG_REG_P0, OPC_MOVL_X2, reg, arg)); +} + +static void tcg_out_br(TCGContext *s, TCGLabel *l) +{ + uint64_t imm; + + /* We pay attention here to not modify the branch target by reading + the existing value and using it again. This ensure that caches and + memory are kept coherent during retranslation. */ + if (l->has_value) { + imm = l->u.value_ptr - s->code_ptr; + } else { + imm = get_reloc_pcrel21b_slot2(s->code_ptr); + tcg_out_reloc(s, s->code_ptr, R_IA64_PCREL21B, l, 0); + } + + tcg_out_bundle(s, mmB, + INSN_NOP_M, + INSN_NOP_M, + tcg_opc_b1(TCG_REG_P0, OPC_BR_SPTK_MANY_B1, imm)); +} + +static inline void tcg_out_call(TCGContext *s, tcg_insn_unit *desc) +{ + uintptr_t func = desc->lo, gp = desc->hi, disp; + + /* Look through the function descriptor. */ + tcg_out_bundle(s, mlx, + INSN_NOP_M, + tcg_opc_l2 (gp), + tcg_opc_x2 (TCG_REG_P0, OPC_MOVL_X2, TCG_REG_R1, gp)); + disp = (tcg_insn_unit *)func - s->code_ptr; + tcg_out_bundle(s, mLX, + INSN_NOP_M, + tcg_opc_l4 (disp), + tcg_opc_x4 (TCG_REG_P0, OPC_BRL_CALL_SPTK_MANY_X4, + TCG_REG_B0, disp)); +} + +static void tcg_out_exit_tb(TCGContext *s, tcg_target_long arg) +{ + uint64_t imm, opc1; + + /* At least arg == 0 is a common operation. */ + if (arg == sextract64(arg, 0, 22)) { + opc1 = tcg_opc_movi_a(TCG_REG_P0, TCG_REG_R8, arg); + } else { + tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R8, arg); + opc1 = INSN_NOP_M; + } + + imm = tb_ret_addr - s->code_ptr; + + tcg_out_bundle(s, mLX, + opc1, + tcg_opc_l3 (imm), + tcg_opc_x3 (TCG_REG_P0, OPC_BRL_SPTK_MANY_X3, imm)); +} + +static inline void tcg_out_goto_tb(TCGContext *s, TCGArg arg) +{ + if (s->tb_jmp_offset) { + /* direct jump method */ + tcg_abort(); + } else { + /* indirect jump method */ + tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R2, + (tcg_target_long)(s->tb_next + arg)); + tcg_out_bundle(s, MmI, + tcg_opc_m1 (TCG_REG_P0, OPC_LD8_M1, + TCG_REG_R2, TCG_REG_R2), + INSN_NOP_M, + tcg_opc_i21(TCG_REG_P0, OPC_MOV_I21, TCG_REG_B6, + TCG_REG_R2, 0)); + tcg_out_bundle(s, mmB, + INSN_NOP_M, + INSN_NOP_M, + tcg_opc_b4 (TCG_REG_P0, OPC_BR_SPTK_MANY_B4, + TCG_REG_B6)); + } + s->tb_next_offset[arg] = tcg_current_code_size(s); +} + +static inline void tcg_out_jmp(TCGContext *s, TCGArg addr) +{ + tcg_out_bundle(s, mmI, + INSN_NOP_M, + INSN_NOP_M, + tcg_opc_i21(TCG_REG_P0, OPC_MOV_I21, TCG_REG_B6, addr, 0)); + tcg_out_bundle(s, mmB, + INSN_NOP_M, + INSN_NOP_M, + tcg_opc_b4(TCG_REG_P0, OPC_BR_SPTK_MANY_B4, TCG_REG_B6)); +} + +static inline void tcg_out_ld_rel(TCGContext *s, uint64_t opc_m4, TCGArg arg, + TCGArg arg1, tcg_target_long arg2) +{ + if (arg2 == ((int16_t)arg2 >> 2) << 2) { + tcg_out_bundle(s, MmI, + tcg_opc_a4(TCG_REG_P0, OPC_ADDS_A4, + TCG_REG_R2, arg2, arg1), + tcg_opc_m1 (TCG_REG_P0, opc_m4, arg, TCG_REG_R2), + INSN_NOP_I); + } else { + tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R2, arg2); + tcg_out_bundle(s, MmI, + tcg_opc_a1 (TCG_REG_P0, OPC_ADD_A1, + TCG_REG_R2, TCG_REG_R2, arg1), + tcg_opc_m1 (TCG_REG_P0, opc_m4, arg, TCG_REG_R2), + INSN_NOP_I); + } +} + +static inline void tcg_out_st_rel(TCGContext *s, uint64_t opc_m4, TCGArg arg, + TCGArg arg1, tcg_target_long arg2) +{ + if (arg2 == ((int16_t)arg2 >> 2) << 2) { + tcg_out_bundle(s, MmI, + tcg_opc_a4(TCG_REG_P0, OPC_ADDS_A4, + TCG_REG_R2, arg2, arg1), + tcg_opc_m4 (TCG_REG_P0, opc_m4, arg, TCG_REG_R2), + INSN_NOP_I); + } else { + tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R2, arg2); + tcg_out_bundle(s, MmI, + tcg_opc_a1 (TCG_REG_P0, OPC_ADD_A1, + TCG_REG_R2, TCG_REG_R2, arg1), + tcg_opc_m4 (TCG_REG_P0, opc_m4, arg, TCG_REG_R2), + INSN_NOP_I); + } +} + +static inline void tcg_out_ld(TCGContext *s, TCGType type, TCGReg arg, + TCGReg arg1, intptr_t arg2) +{ + if (type == TCG_TYPE_I32) { + tcg_out_ld_rel(s, OPC_LD4_M1, arg, arg1, arg2); + } else { + tcg_out_ld_rel(s, OPC_LD8_M1, arg, arg1, arg2); + } +} + +static inline void tcg_out_st(TCGContext *s, TCGType type, TCGReg arg, + TCGReg arg1, intptr_t arg2) +{ + if (type == TCG_TYPE_I32) { + tcg_out_st_rel(s, OPC_ST4_M4, arg, arg1, arg2); + } else { + tcg_out_st_rel(s, OPC_ST8_M4, arg, arg1, arg2); + } +} + +static inline void tcg_out_alu(TCGContext *s, uint64_t opc_a1, uint64_t opc_a3, + TCGReg ret, TCGArg arg1, int const_arg1, + TCGArg arg2, int const_arg2) +{ + uint64_t opc1 = 0, opc2 = 0, opc3 = 0; + + if (const_arg2 && arg2 != 0) { + opc2 = tcg_opc_movi_a(TCG_REG_P0, TCG_REG_R3, arg2); + arg2 = TCG_REG_R3; + } + if (const_arg1 && arg1 != 0) { + if (opc_a3 && arg1 == (int8_t)arg1) { + opc3 = tcg_opc_a3(TCG_REG_P0, opc_a3, ret, arg1, arg2); + } else { + opc1 = tcg_opc_movi_a(TCG_REG_P0, TCG_REG_R2, arg1); + arg1 = TCG_REG_R2; + } + } + if (opc3 == 0) { + opc3 = tcg_opc_a1(TCG_REG_P0, opc_a1, ret, arg1, arg2); + } + + tcg_out_bundle(s, (opc1 || opc2 ? mII : miI), + opc1 ? opc1 : INSN_NOP_M, + opc2 ? opc2 : INSN_NOP_I, + opc3); +} + +static inline void tcg_out_add(TCGContext *s, TCGReg ret, TCGReg arg1, + TCGArg arg2, int const_arg2) +{ + if (const_arg2 && arg2 == sextract64(arg2, 0, 14)) { + tcg_out_bundle(s, mmI, + INSN_NOP_M, + INSN_NOP_M, + tcg_opc_a4(TCG_REG_P0, OPC_ADDS_A4, ret, arg2, arg1)); + } else { + tcg_out_alu(s, OPC_ADD_A1, 0, ret, arg1, 0, arg2, const_arg2); + } +} + +static inline void tcg_out_sub(TCGContext *s, TCGReg ret, TCGArg arg1, + int const_arg1, TCGArg arg2, int const_arg2) +{ + if (!const_arg1 && const_arg2 && -arg2 == sextract64(-arg2, 0, 14)) { + tcg_out_bundle(s, mmI, + INSN_NOP_M, + INSN_NOP_M, + tcg_opc_a4(TCG_REG_P0, OPC_ADDS_A4, ret, -arg2, arg1)); + } else { + tcg_out_alu(s, OPC_SUB_A1, OPC_SUB_A3, ret, + arg1, const_arg1, arg2, const_arg2); + } +} + +static inline void tcg_out_eqv(TCGContext *s, TCGArg ret, + TCGArg arg1, int const_arg1, + TCGArg arg2, int const_arg2) +{ + tcg_out_bundle(s, mII, + INSN_NOP_M, + tcg_opc_a1 (TCG_REG_P0, OPC_XOR_A1, ret, arg1, arg2), + tcg_opc_a3 (TCG_REG_P0, OPC_ANDCM_A3, ret, -1, ret)); +} + +static inline void tcg_out_nand(TCGContext *s, TCGArg ret, + TCGArg arg1, int const_arg1, + TCGArg arg2, int const_arg2) +{ + tcg_out_bundle(s, mII, + INSN_NOP_M, + tcg_opc_a1 (TCG_REG_P0, OPC_AND_A1, ret, arg1, arg2), + tcg_opc_a3 (TCG_REG_P0, OPC_ANDCM_A3, ret, -1, ret)); +} + +static inline void tcg_out_nor(TCGContext *s, TCGArg ret, + TCGArg arg1, int const_arg1, + TCGArg arg2, int const_arg2) +{ + tcg_out_bundle(s, mII, + INSN_NOP_M, + tcg_opc_a1 (TCG_REG_P0, OPC_OR_A1, ret, arg1, arg2), + tcg_opc_a3 (TCG_REG_P0, OPC_ANDCM_A3, ret, -1, ret)); +} + +static inline void tcg_out_orc(TCGContext *s, TCGArg ret, + TCGArg arg1, int const_arg1, + TCGArg arg2, int const_arg2) +{ + tcg_out_bundle(s, mII, + INSN_NOP_M, + tcg_opc_a3 (TCG_REG_P0, OPC_ANDCM_A3, TCG_REG_R2, -1, arg2), + tcg_opc_a1 (TCG_REG_P0, OPC_OR_A1, ret, arg1, TCG_REG_R2)); +} + +static inline void tcg_out_mul(TCGContext *s, TCGArg ret, + TCGArg arg1, TCGArg arg2) +{ + tcg_out_bundle(s, mmI, + tcg_opc_m18(TCG_REG_P0, OPC_SETF_SIG_M18, TCG_REG_F6, arg1), + tcg_opc_m18(TCG_REG_P0, OPC_SETF_SIG_M18, TCG_REG_F7, arg2), + INSN_NOP_I); + tcg_out_bundle(s, mmF, + INSN_NOP_M, + INSN_NOP_M, + tcg_opc_f2 (TCG_REG_P0, OPC_XMA_L_F2, TCG_REG_F6, TCG_REG_F6, + TCG_REG_F7, TCG_REG_F0)); + tcg_out_bundle(s, miI, + tcg_opc_m19(TCG_REG_P0, OPC_GETF_SIG_M19, ret, TCG_REG_F6), + INSN_NOP_I, + INSN_NOP_I); +} + +static inline void tcg_out_sar_i32(TCGContext *s, TCGArg ret, TCGArg arg1, + TCGArg arg2, int const_arg2) +{ + if (const_arg2) { + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_i11(TCG_REG_P0, OPC_EXTR_I11, + ret, arg1, arg2, 31 - arg2)); + } else { + tcg_out_bundle(s, mII, + tcg_opc_a3 (TCG_REG_P0, OPC_AND_A3, + TCG_REG_R3, 0x1f, arg2), + tcg_opc_i29(TCG_REG_P0, OPC_SXT4_I29, TCG_REG_R2, arg1), + tcg_opc_i5 (TCG_REG_P0, OPC_SHR_I5, ret, + TCG_REG_R2, TCG_REG_R3)); + } +} + +static inline void tcg_out_sar_i64(TCGContext *s, TCGArg ret, TCGArg arg1, + TCGArg arg2, int const_arg2) +{ + if (const_arg2) { + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_i11(TCG_REG_P0, OPC_EXTR_I11, + ret, arg1, arg2, 63 - arg2)); + } else { + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_i5 (TCG_REG_P0, OPC_SHR_I5, ret, arg1, arg2)); + } +} + +static inline void tcg_out_shl_i32(TCGContext *s, TCGArg ret, TCGArg arg1, + TCGArg arg2, int const_arg2) +{ + if (const_arg2) { + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_i12(TCG_REG_P0, OPC_DEP_Z_I12, ret, + arg1, 63 - arg2, 31 - arg2)); + } else { + tcg_out_bundle(s, mII, + INSN_NOP_M, + tcg_opc_a3 (TCG_REG_P0, OPC_AND_A3, TCG_REG_R2, + 0x1f, arg2), + tcg_opc_i7 (TCG_REG_P0, OPC_SHL_I7, ret, + arg1, TCG_REG_R2)); + } +} + +static inline void tcg_out_shl_i64(TCGContext *s, TCGArg ret, TCGArg arg1, + TCGArg arg2, int const_arg2) +{ + if (const_arg2) { + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_i12(TCG_REG_P0, OPC_DEP_Z_I12, ret, + arg1, 63 - arg2, 63 - arg2)); + } else { + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_i7 (TCG_REG_P0, OPC_SHL_I7, ret, + arg1, arg2)); + } +} + +static inline void tcg_out_shr_i32(TCGContext *s, TCGArg ret, TCGArg arg1, + TCGArg arg2, int const_arg2) +{ + if (const_arg2) { + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_i11(TCG_REG_P0, OPC_EXTR_U_I11, ret, + arg1, arg2, 31 - arg2)); + } else { + tcg_out_bundle(s, mII, + tcg_opc_a3 (TCG_REG_P0, OPC_AND_A3, TCG_REG_R3, + 0x1f, arg2), + tcg_opc_i29(TCG_REG_P0, OPC_ZXT4_I29, TCG_REG_R2, arg1), + tcg_opc_i5 (TCG_REG_P0, OPC_SHR_U_I5, ret, + TCG_REG_R2, TCG_REG_R3)); + } +} + +static inline void tcg_out_shr_i64(TCGContext *s, TCGArg ret, TCGArg arg1, + TCGArg arg2, int const_arg2) +{ + if (const_arg2) { + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_i11(TCG_REG_P0, OPC_EXTR_U_I11, ret, + arg1, arg2, 63 - arg2)); + } else { + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_i5 (TCG_REG_P0, OPC_SHR_U_I5, ret, + arg1, arg2)); + } +} + +static inline void tcg_out_rotl_i32(TCGContext *s, TCGArg ret, TCGArg arg1, + TCGArg arg2, int const_arg2) +{ + if (const_arg2) { + tcg_out_bundle(s, mII, + INSN_NOP_M, + tcg_opc_i2 (TCG_REG_P0, OPC_UNPACK4_L_I2, + TCG_REG_R2, arg1, arg1), + tcg_opc_i11(TCG_REG_P0, OPC_EXTR_U_I11, ret, + TCG_REG_R2, 32 - arg2, 31)); + } else { + tcg_out_bundle(s, miI, + INSN_NOP_M, + tcg_opc_i2 (TCG_REG_P0, OPC_UNPACK4_L_I2, + TCG_REG_R2, arg1, arg1), + tcg_opc_a3 (TCG_REG_P0, OPC_AND_A3, TCG_REG_R3, + 0x1f, arg2)); + tcg_out_bundle(s, mII, + INSN_NOP_M, + tcg_opc_a3 (TCG_REG_P0, OPC_SUB_A3, TCG_REG_R3, + 0x20, TCG_REG_R3), + tcg_opc_i5 (TCG_REG_P0, OPC_SHR_U_I5, ret, + TCG_REG_R2, TCG_REG_R3)); + } +} + +static inline void tcg_out_rotl_i64(TCGContext *s, TCGArg ret, TCGArg arg1, + TCGArg arg2, int const_arg2) +{ + if (const_arg2) { + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_i10(TCG_REG_P0, OPC_SHRP_I10, ret, arg1, + arg1, 0x40 - arg2)); + } else { + tcg_out_bundle(s, mII, + tcg_opc_a3 (TCG_REG_P0, OPC_SUB_A3, TCG_REG_R2, + 0x40, arg2), + tcg_opc_i7 (TCG_REG_P0, OPC_SHL_I7, TCG_REG_R3, + arg1, arg2), + tcg_opc_i5 (TCG_REG_P0, OPC_SHR_U_I5, TCG_REG_R2, + arg1, TCG_REG_R2)); + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_a1 (TCG_REG_P0, OPC_OR_A1, ret, + TCG_REG_R2, TCG_REG_R3)); + } +} + +static inline void tcg_out_rotr_i32(TCGContext *s, TCGArg ret, TCGArg arg1, + TCGArg arg2, int const_arg2) +{ + if (const_arg2) { + tcg_out_bundle(s, mII, + INSN_NOP_M, + tcg_opc_i2 (TCG_REG_P0, OPC_UNPACK4_L_I2, + TCG_REG_R2, arg1, arg1), + tcg_opc_i11(TCG_REG_P0, OPC_EXTR_U_I11, ret, + TCG_REG_R2, arg2, 31)); + } else { + tcg_out_bundle(s, mII, + tcg_opc_a3 (TCG_REG_P0, OPC_AND_A3, TCG_REG_R3, + 0x1f, arg2), + tcg_opc_i2 (TCG_REG_P0, OPC_UNPACK4_L_I2, + TCG_REG_R2, arg1, arg1), + tcg_opc_i5 (TCG_REG_P0, OPC_SHR_U_I5, ret, + TCG_REG_R2, TCG_REG_R3)); + } +} + +static inline void tcg_out_rotr_i64(TCGContext *s, TCGArg ret, TCGArg arg1, + TCGArg arg2, int const_arg2) +{ + if (const_arg2) { + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_i10(TCG_REG_P0, OPC_SHRP_I10, ret, arg1, + arg1, arg2)); + } else { + tcg_out_bundle(s, mII, + tcg_opc_a3 (TCG_REG_P0, OPC_SUB_A3, TCG_REG_R2, + 0x40, arg2), + tcg_opc_i5 (TCG_REG_P0, OPC_SHR_U_I5, TCG_REG_R3, + arg1, arg2), + tcg_opc_i7 (TCG_REG_P0, OPC_SHL_I7, TCG_REG_R2, + arg1, TCG_REG_R2)); + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_a1 (TCG_REG_P0, OPC_OR_A1, ret, + TCG_REG_R2, TCG_REG_R3)); + } +} + +static const uint64_t opc_ext_i29[8] = { + OPC_ZXT1_I29, OPC_ZXT2_I29, OPC_ZXT4_I29, 0, + OPC_SXT1_I29, OPC_SXT2_I29, OPC_SXT4_I29, 0 +}; + +static inline uint64_t tcg_opc_ext_i(int qp, TCGMemOp opc, TCGReg d, TCGReg s) +{ + if ((opc & MO_SIZE) == MO_64) { + return tcg_opc_mov_a(qp, d, s); + } else { + return tcg_opc_i29(qp, opc_ext_i29[opc & MO_SSIZE], d, s); + } +} + +static inline void tcg_out_ext(TCGContext *s, uint64_t opc_i29, + TCGArg ret, TCGArg arg) +{ + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_i29(TCG_REG_P0, opc_i29, ret, arg)); +} + +static inline uint64_t tcg_opc_bswap64_i(int qp, TCGReg d, TCGReg s) +{ + return tcg_opc_i3(qp, OPC_MUX1_I3, d, s, 0xb); +} + +static inline void tcg_out_bswap16(TCGContext *s, TCGArg ret, TCGArg arg) +{ + tcg_out_bundle(s, mII, + INSN_NOP_M, + tcg_opc_i12(TCG_REG_P0, OPC_DEP_Z_I12, ret, arg, 15, 15), + tcg_opc_bswap64_i(TCG_REG_P0, ret, ret)); +} + +static inline void tcg_out_bswap32(TCGContext *s, TCGArg ret, TCGArg arg) +{ + tcg_out_bundle(s, mII, + INSN_NOP_M, + tcg_opc_i12(TCG_REG_P0, OPC_DEP_Z_I12, ret, arg, 31, 31), + tcg_opc_bswap64_i(TCG_REG_P0, ret, ret)); +} + +static inline void tcg_out_bswap64(TCGContext *s, TCGArg ret, TCGArg arg) +{ + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_bswap64_i(TCG_REG_P0, ret, arg)); +} + +static inline void tcg_out_deposit(TCGContext *s, TCGArg ret, TCGArg a1, + TCGArg a2, int const_a2, int pos, int len) +{ + uint64_t i1 = 0, i2 = 0; + int cpos = 63 - pos, lm1 = len - 1; + + if (const_a2) { + /* Truncate the value of a constant a2 to the width of the field. */ + int mask = (1u << len) - 1; + a2 &= mask; + + if (a2 == 0 || a2 == mask) { + /* 1-bit signed constant inserted into register. */ + i2 = tcg_opc_i14(TCG_REG_P0, OPC_DEP_I14, ret, a2, a1, cpos, lm1); + } else { + /* Otherwise, load any constant into a temporary. Do this into + the first I slot to help out with cross-unit delays. */ + i1 = tcg_opc_movi_a(TCG_REG_P0, TCG_REG_R2, a2); + a2 = TCG_REG_R2; + } + } + if (i2 == 0) { + i2 = tcg_opc_i15(TCG_REG_P0, OPC_DEP_I15, ret, a2, a1, cpos, lm1); + } + tcg_out_bundle(s, (i1 ? mII : miI), + INSN_NOP_M, + i1 ? i1 : INSN_NOP_I, + i2); +} + +static inline uint64_t tcg_opc_cmp_a(int qp, TCGCond cond, TCGArg arg1, + TCGArg arg2, int cmp4) +{ + uint64_t opc_eq_a6, opc_lt_a6, opc_ltu_a6; + + if (cmp4) { + opc_eq_a6 = OPC_CMP4_EQ_A6; + opc_lt_a6 = OPC_CMP4_LT_A6; + opc_ltu_a6 = OPC_CMP4_LTU_A6; + } else { + opc_eq_a6 = OPC_CMP_EQ_A6; + opc_lt_a6 = OPC_CMP_LT_A6; + opc_ltu_a6 = OPC_CMP_LTU_A6; + } + + switch (cond) { + case TCG_COND_EQ: + return tcg_opc_a6 (qp, opc_eq_a6, TCG_REG_P6, TCG_REG_P7, arg1, arg2); + case TCG_COND_NE: + return tcg_opc_a6 (qp, opc_eq_a6, TCG_REG_P7, TCG_REG_P6, arg1, arg2); + case TCG_COND_LT: + return tcg_opc_a6 (qp, opc_lt_a6, TCG_REG_P6, TCG_REG_P7, arg1, arg2); + case TCG_COND_LTU: + return tcg_opc_a6 (qp, opc_ltu_a6, TCG_REG_P6, TCG_REG_P7, arg1, arg2); + case TCG_COND_GE: + return tcg_opc_a6 (qp, opc_lt_a6, TCG_REG_P7, TCG_REG_P6, arg1, arg2); + case TCG_COND_GEU: + return tcg_opc_a6 (qp, opc_ltu_a6, TCG_REG_P7, TCG_REG_P6, arg1, arg2); + case TCG_COND_LE: + return tcg_opc_a6 (qp, opc_lt_a6, TCG_REG_P7, TCG_REG_P6, arg2, arg1); + case TCG_COND_LEU: + return tcg_opc_a6 (qp, opc_ltu_a6, TCG_REG_P7, TCG_REG_P6, arg2, arg1); + case TCG_COND_GT: + return tcg_opc_a6 (qp, opc_lt_a6, TCG_REG_P6, TCG_REG_P7, arg2, arg1); + case TCG_COND_GTU: + return tcg_opc_a6 (qp, opc_ltu_a6, TCG_REG_P6, TCG_REG_P7, arg2, arg1); + default: + tcg_abort(); + break; + } +} + +static inline void tcg_out_brcond(TCGContext *s, TCGCond cond, TCGReg arg1, + TCGReg arg2, TCGLabel *l, int cmp4) +{ + uint64_t imm; + + /* We pay attention here to not modify the branch target by reading + the existing value and using it again. This ensure that caches and + memory are kept coherent during retranslation. */ + if (l->has_value) { + imm = l->u.value_ptr - s->code_ptr; + } else { + imm = get_reloc_pcrel21b_slot2(s->code_ptr); + tcg_out_reloc(s, s->code_ptr, R_IA64_PCREL21B, l, 0); + } + + tcg_out_bundle(s, miB, + INSN_NOP_M, + tcg_opc_cmp_a(TCG_REG_P0, cond, arg1, arg2, cmp4), + tcg_opc_b1(TCG_REG_P6, OPC_BR_DPTK_FEW_B1, imm)); +} + +static inline void tcg_out_setcond(TCGContext *s, TCGCond cond, TCGArg ret, + TCGArg arg1, TCGArg arg2, int cmp4) +{ + tcg_out_bundle(s, MmI, + tcg_opc_cmp_a(TCG_REG_P0, cond, arg1, arg2, cmp4), + tcg_opc_movi_a(TCG_REG_P6, ret, 1), + tcg_opc_movi_a(TCG_REG_P7, ret, 0)); +} + +static inline void tcg_out_movcond(TCGContext *s, TCGCond cond, TCGArg ret, + TCGArg c1, TCGArg c2, + TCGArg v1, int const_v1, + TCGArg v2, int const_v2, int cmp4) +{ + uint64_t opc1, opc2; + + if (const_v1) { + opc1 = tcg_opc_movi_a(TCG_REG_P6, ret, v1); + } else if (ret == v1) { + opc1 = INSN_NOP_M; + } else { + opc1 = tcg_opc_mov_a(TCG_REG_P6, ret, v1); + } + if (const_v2) { + opc2 = tcg_opc_movi_a(TCG_REG_P7, ret, v2); + } else if (ret == v2) { + opc2 = INSN_NOP_I; + } else { + opc2 = tcg_opc_mov_a(TCG_REG_P7, ret, v2); + } + + tcg_out_bundle(s, MmI, + tcg_opc_cmp_a(TCG_REG_P0, cond, c1, c2, cmp4), + opc1, + opc2); +} + +#if defined(CONFIG_SOFTMMU) +/* We're expecting to use an signed 22-bit immediate add. */ +QEMU_BUILD_BUG_ON(offsetof(CPUArchState, tlb_table[NB_MMU_MODES - 1][1]) + > 0x1fffff) + +/* Load and compare a TLB entry, and return the result in (p6, p7). + R2 is loaded with the addend TLB entry. + R57 is loaded with the address, zero extented on 32-bit targets. + R1, R3 are clobbered, leaving R56 free for... + BSWAP_1, BSWAP_2 and I-slot insns for swapping data for store. */ +static inline void tcg_out_qemu_tlb(TCGContext *s, TCGReg addr_reg, + TCGMemOp s_bits, int off_rw, int off_add, + uint64_t bswap1, uint64_t bswap2) +{ + /* + .mii + mov r2 = off_rw + extr.u r3 = addr_reg, ... # extract tlb page + zxt4 r57 = addr_reg # or mov for 64-bit guest + ;; + .mii + addl r2 = r2, areg0 + shl r3 = r3, cteb # via dep.z + dep r1 = 0, r57, ... # zero page ofs, keep align + ;; + .mmi + add r2 = r2, r3 + ;; + ld4 r3 = [r2], off_add-off_rw # or ld8 for 64-bit guest + nop + ;; + .mmi + nop + cmp.eq p6, p7 = r3, r58 + nop + ;; + */ + tcg_out_bundle(s, miI, + tcg_opc_movi_a(TCG_REG_P0, TCG_REG_R2, off_rw), + tcg_opc_i11(TCG_REG_P0, OPC_EXTR_U_I11, TCG_REG_R3, + addr_reg, TARGET_PAGE_BITS, CPU_TLB_BITS - 1), + tcg_opc_ext_i(TCG_REG_P0, + TARGET_LONG_BITS == 32 ? MO_UL : MO_Q, + TCG_REG_R57, addr_reg)); + tcg_out_bundle(s, miI, + tcg_opc_a1 (TCG_REG_P0, OPC_ADD_A1, TCG_REG_R2, + TCG_REG_R2, TCG_AREG0), + tcg_opc_i12(TCG_REG_P0, OPC_DEP_Z_I12, TCG_REG_R3, + TCG_REG_R3, 63 - CPU_TLB_ENTRY_BITS, + 63 - CPU_TLB_ENTRY_BITS), + tcg_opc_i14(TCG_REG_P0, OPC_DEP_I14, TCG_REG_R1, 0, + TCG_REG_R57, 63 - s_bits, + TARGET_PAGE_BITS - s_bits - 1)); + tcg_out_bundle(s, MmI, + tcg_opc_a1 (TCG_REG_P0, OPC_ADD_A1, + TCG_REG_R2, TCG_REG_R2, TCG_REG_R3), + tcg_opc_m3 (TCG_REG_P0, + (TARGET_LONG_BITS == 32 + ? OPC_LD4_M3 : OPC_LD8_M3), TCG_REG_R3, + TCG_REG_R2, off_add - off_rw), + bswap1); + tcg_out_bundle(s, mmI, + tcg_opc_m1 (TCG_REG_P0, OPC_LD8_M1, TCG_REG_R2, TCG_REG_R2), + tcg_opc_a6 (TCG_REG_P0, OPC_CMP_EQ_A6, TCG_REG_P6, + TCG_REG_P7, TCG_REG_R1, TCG_REG_R3), + bswap2); +} + +typedef struct TCGLabelQemuLdst { + bool is_ld; + TCGMemOp size; + tcg_insn_unit *label_ptr; /* label pointers to be updated */ + struct TCGLabelQemuLdst *next; +} TCGLabelQemuLdst; + +typedef struct TCGBackendData { + TCGLabelQemuLdst *labels; +} TCGBackendData; + +static inline void tcg_out_tb_init(TCGContext *s) +{ + s->be->labels = NULL; +} + +static void add_qemu_ldst_label(TCGContext *s, bool is_ld, TCGMemOp opc, + tcg_insn_unit *label_ptr) +{ + TCGBackendData *be = s->be; + TCGLabelQemuLdst *l = tcg_malloc(sizeof(*l)); + + l->is_ld = is_ld; + l->size = opc & MO_SIZE; + l->label_ptr = label_ptr; + l->next = be->labels; + be->labels = l; +} + +static void tcg_out_tb_finalize(TCGContext *s) +{ + static const void * const helpers[8] = { + helper_ret_stb_mmu, + helper_le_stw_mmu, + helper_le_stl_mmu, + helper_le_stq_mmu, + helper_ret_ldub_mmu, + helper_le_lduw_mmu, + helper_le_ldul_mmu, + helper_le_ldq_mmu, + }; + tcg_insn_unit *thunks[8] = { }; + TCGLabelQemuLdst *l; + + for (l = s->be->labels; l != NULL; l = l->next) { + long x = l->is_ld * 4 + l->size; + tcg_insn_unit *dest = thunks[x]; + + /* The out-of-line thunks are all the same; load the return address + from B0, load the GP, and branch to the code. Note that we are + always post-call, so the register window has rolled, so we're + using incomming parameter register numbers, not outgoing. */ + if (dest == NULL) { + uintptr_t *desc = (uintptr_t *)helpers[x]; + uintptr_t func = desc[0], gp = desc[1], disp; + + thunks[x] = dest = s->code_ptr; + + tcg_out_bundle(s, mlx, + INSN_NOP_M, + tcg_opc_l2 (gp), + tcg_opc_x2 (TCG_REG_P0, OPC_MOVL_X2, + TCG_REG_R1, gp)); + tcg_out_bundle(s, mii, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_i22(TCG_REG_P0, OPC_MOV_I22, + l->is_ld ? TCG_REG_R35 : TCG_REG_R36, + TCG_REG_B0)); + disp = (tcg_insn_unit *)func - s->code_ptr; + tcg_out_bundle(s, mLX, + INSN_NOP_M, + tcg_opc_l3 (disp), + tcg_opc_x3 (TCG_REG_P0, OPC_BRL_SPTK_MANY_X3, disp)); + } + + reloc_pcrel21b_slot2(l->label_ptr, dest); + } +} + +static inline void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args) +{ + static const uint64_t opc_ld_m1[4] = { + OPC_LD1_M1, OPC_LD2_M1, OPC_LD4_M1, OPC_LD8_M1 + }; + int addr_reg, data_reg, mem_index; + TCGMemOpIdx oi; + TCGMemOp opc, s_bits; + uint64_t fin1, fin2; + tcg_insn_unit *label_ptr; + + data_reg = args[0]; + addr_reg = args[1]; + oi = args[2]; + opc = get_memop(oi); + mem_index = get_mmuidx(oi); + s_bits = opc & MO_SIZE; + + /* Read the TLB entry */ + tcg_out_qemu_tlb(s, addr_reg, s_bits, + offsetof(CPUArchState, tlb_table[mem_index][0].addr_read), + offsetof(CPUArchState, tlb_table[mem_index][0].addend), + INSN_NOP_I, INSN_NOP_I); + + /* P6 is the fast path, and P7 the slow path */ + + fin2 = 0; + if (opc & MO_BSWAP) { + fin1 = tcg_opc_bswap64_i(TCG_REG_P0, data_reg, TCG_REG_R8); + if (s_bits < MO_64) { + int shift = 64 - (8 << s_bits); + fin2 = (opc & MO_SIGN ? OPC_EXTR_I11 : OPC_EXTR_U_I11); + fin2 = tcg_opc_i11(TCG_REG_P0, fin2, + data_reg, data_reg, shift, 63 - shift); + } + } else { + fin1 = tcg_opc_ext_i(TCG_REG_P0, opc, data_reg, TCG_REG_R8); + } + + tcg_out_bundle(s, mmI, + tcg_opc_mov_a(TCG_REG_P7, TCG_REG_R56, TCG_AREG0), + tcg_opc_a1 (TCG_REG_P6, OPC_ADD_A1, TCG_REG_R2, + TCG_REG_R2, TCG_REG_R57), + tcg_opc_movi_a(TCG_REG_P7, TCG_REG_R58, oi)); + label_ptr = s->code_ptr; + tcg_out_bundle(s, miB, + tcg_opc_m1 (TCG_REG_P6, opc_ld_m1[s_bits], + TCG_REG_R8, TCG_REG_R2), + INSN_NOP_I, + tcg_opc_b3 (TCG_REG_P7, OPC_BR_CALL_SPNT_FEW_B3, TCG_REG_B0, + get_reloc_pcrel21b_slot2(label_ptr))); + + add_qemu_ldst_label(s, 1, opc, label_ptr); + + /* Note that we always use LE helper functions, so the bswap insns + here for the fast path also apply to the slow path. */ + tcg_out_bundle(s, (fin2 ? mII : miI), + INSN_NOP_M, + fin1, + fin2 ? fin2 : INSN_NOP_I); +} + +static inline void tcg_out_qemu_st(TCGContext *s, const TCGArg *args) +{ + static const uint64_t opc_st_m4[4] = { + OPC_ST1_M4, OPC_ST2_M4, OPC_ST4_M4, OPC_ST8_M4 + }; + TCGReg addr_reg, data_reg; + int mem_index; + uint64_t pre1, pre2; + TCGMemOpIdx oi; + TCGMemOp opc, s_bits; + tcg_insn_unit *label_ptr; + + data_reg = args[0]; + addr_reg = args[1]; + oi = args[2]; + opc = get_memop(oi); + mem_index = get_mmuidx(oi); + s_bits = opc & MO_SIZE; + + /* Note that we always use LE helper functions, so the bswap insns + that are here for the fast path also apply to the slow path, + and move the data into the argument register. */ + pre2 = INSN_NOP_I; + if (opc & MO_BSWAP) { + pre1 = tcg_opc_bswap64_i(TCG_REG_P0, TCG_REG_R58, data_reg); + if (s_bits < MO_64) { + int shift = 64 - (8 << s_bits); + pre2 = tcg_opc_i11(TCG_REG_P0, OPC_EXTR_U_I11, + TCG_REG_R58, TCG_REG_R58, shift, 63 - shift); + } + } else { + /* Just move the data into place for the slow path. */ + pre1 = tcg_opc_ext_i(TCG_REG_P0, opc, TCG_REG_R58, data_reg); + } + + tcg_out_qemu_tlb(s, addr_reg, s_bits, + offsetof(CPUArchState, tlb_table[mem_index][0].addr_write), + offsetof(CPUArchState, tlb_table[mem_index][0].addend), + pre1, pre2); + + /* P6 is the fast path, and P7 the slow path */ + tcg_out_bundle(s, mmI, + tcg_opc_mov_a(TCG_REG_P7, TCG_REG_R56, TCG_AREG0), + tcg_opc_a1 (TCG_REG_P6, OPC_ADD_A1, TCG_REG_R2, + TCG_REG_R2, TCG_REG_R57), + tcg_opc_movi_a(TCG_REG_P7, TCG_REG_R59, oi)); + label_ptr = s->code_ptr; + tcg_out_bundle(s, miB, + tcg_opc_m4 (TCG_REG_P6, opc_st_m4[s_bits], + TCG_REG_R58, TCG_REG_R2), + INSN_NOP_I, + tcg_opc_b3 (TCG_REG_P7, OPC_BR_CALL_SPNT_FEW_B3, TCG_REG_B0, + get_reloc_pcrel21b_slot2(label_ptr))); + + add_qemu_ldst_label(s, 0, opc, label_ptr); +} + +#else /* !CONFIG_SOFTMMU */ +# include "tcg-be-null.h" + +static inline void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args) +{ + static uint64_t const opc_ld_m1[4] = { + OPC_LD1_M1, OPC_LD2_M1, OPC_LD4_M1, OPC_LD8_M1 + }; + int addr_reg, data_reg; + TCGMemOp opc, s_bits, bswap; + + data_reg = args[0]; + addr_reg = args[1]; + opc = args[2]; + s_bits = opc & MO_SIZE; + bswap = opc & MO_BSWAP; + +#if TARGET_LONG_BITS == 32 + if (GUEST_BASE != 0) { + tcg_out_bundle(s, mII, + INSN_NOP_M, + tcg_opc_i29(TCG_REG_P0, OPC_ZXT4_I29, + TCG_REG_R3, addr_reg), + tcg_opc_a1 (TCG_REG_P0, OPC_ADD_A1, TCG_REG_R2, + TCG_GUEST_BASE_REG, TCG_REG_R3)); + } else { + tcg_out_bundle(s, miI, + INSN_NOP_M, + tcg_opc_i29(TCG_REG_P0, OPC_ZXT4_I29, + TCG_REG_R2, addr_reg), + INSN_NOP_I); + } + + if (!bswap) { + if (!(opc & MO_SIGN)) { + tcg_out_bundle(s, miI, + tcg_opc_m1 (TCG_REG_P0, opc_ld_m1[s_bits], + data_reg, TCG_REG_R2), + INSN_NOP_I, + INSN_NOP_I); + } else { + tcg_out_bundle(s, mII, + tcg_opc_m1 (TCG_REG_P0, opc_ld_m1[s_bits], + data_reg, TCG_REG_R2), + INSN_NOP_I, + tcg_opc_ext_i(TCG_REG_P0, opc, data_reg, data_reg)); + } + } else if (s_bits == MO_64) { + tcg_out_bundle(s, mII, + tcg_opc_m1 (TCG_REG_P0, opc_ld_m1[s_bits], + data_reg, TCG_REG_R2), + INSN_NOP_I, + tcg_opc_bswap64_i(TCG_REG_P0, data_reg, data_reg)); + } else { + if (s_bits == MO_16) { + tcg_out_bundle(s, mII, + tcg_opc_m1 (TCG_REG_P0, opc_ld_m1[s_bits], + data_reg, TCG_REG_R2), + INSN_NOP_I, + tcg_opc_i12(TCG_REG_P0, OPC_DEP_Z_I12, + data_reg, data_reg, 15, 15)); + } else { + tcg_out_bundle(s, mII, + tcg_opc_m1 (TCG_REG_P0, opc_ld_m1[s_bits], + data_reg, TCG_REG_R2), + INSN_NOP_I, + tcg_opc_i12(TCG_REG_P0, OPC_DEP_Z_I12, + data_reg, data_reg, 31, 31)); + } + if (!(opc & MO_SIGN)) { + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_bswap64_i(TCG_REG_P0, data_reg, data_reg)); + } else { + tcg_out_bundle(s, mII, + INSN_NOP_M, + tcg_opc_bswap64_i(TCG_REG_P0, data_reg, data_reg), + tcg_opc_ext_i(TCG_REG_P0, opc, data_reg, data_reg)); + } + } +#else + if (GUEST_BASE != 0) { + tcg_out_bundle(s, MmI, + tcg_opc_a1 (TCG_REG_P0, OPC_ADD_A1, TCG_REG_R2, + TCG_GUEST_BASE_REG, addr_reg), + tcg_opc_m1 (TCG_REG_P0, opc_ld_m1[s_bits], + data_reg, TCG_REG_R2), + INSN_NOP_I); + } else { + tcg_out_bundle(s, mmI, + INSN_NOP_M, + tcg_opc_m1 (TCG_REG_P0, opc_ld_m1[s_bits], + data_reg, addr_reg), + INSN_NOP_I); + } + + if (bswap && s_bits == MO_16) { + tcg_out_bundle(s, mII, + INSN_NOP_M, + tcg_opc_i12(TCG_REG_P0, OPC_DEP_Z_I12, + data_reg, data_reg, 15, 15), + tcg_opc_bswap64_i(TCG_REG_P0, data_reg, data_reg)); + } else if (bswap && s_bits == MO_32) { + tcg_out_bundle(s, mII, + INSN_NOP_M, + tcg_opc_i12(TCG_REG_P0, OPC_DEP_Z_I12, + data_reg, data_reg, 31, 31), + tcg_opc_bswap64_i(TCG_REG_P0, data_reg, data_reg)); + } else if (bswap && s_bits == MO_64) { + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_bswap64_i(TCG_REG_P0, data_reg, data_reg)); + } + if (opc & MO_SIGN) { + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_ext_i(TCG_REG_P0, opc, data_reg, data_reg)); + } +#endif +} + +static inline void tcg_out_qemu_st(TCGContext *s, const TCGArg *args) +{ + static uint64_t const opc_st_m4[4] = { + OPC_ST1_M4, OPC_ST2_M4, OPC_ST4_M4, OPC_ST8_M4 + }; + int addr_reg, data_reg; +#if TARGET_LONG_BITS == 64 + uint64_t add_guest_base; +#endif + TCGMemOp opc, s_bits, bswap; + + data_reg = args[0]; + addr_reg = args[1]; + opc = args[2]; + s_bits = opc & MO_SIZE; + bswap = opc & MO_BSWAP; + +#if TARGET_LONG_BITS == 32 + if (GUEST_BASE != 0) { + tcg_out_bundle(s, mII, + INSN_NOP_M, + tcg_opc_i29(TCG_REG_P0, OPC_ZXT4_I29, + TCG_REG_R3, addr_reg), + tcg_opc_a1 (TCG_REG_P0, OPC_ADD_A1, TCG_REG_R2, + TCG_GUEST_BASE_REG, TCG_REG_R3)); + } else { + tcg_out_bundle(s, miI, + INSN_NOP_M, + tcg_opc_i29(TCG_REG_P0, OPC_ZXT4_I29, + TCG_REG_R2, addr_reg), + INSN_NOP_I); + } + + if (bswap) { + if (s_bits == MO_16) { + tcg_out_bundle(s, mII, + INSN_NOP_M, + tcg_opc_i12(TCG_REG_P0, OPC_DEP_Z_I12, + TCG_REG_R3, data_reg, 15, 15), + tcg_opc_bswap64_i(TCG_REG_P0, + TCG_REG_R3, TCG_REG_R3)); + data_reg = TCG_REG_R3; + } else if (s_bits == MO_32) { + tcg_out_bundle(s, mII, + INSN_NOP_M, + tcg_opc_i12(TCG_REG_P0, OPC_DEP_Z_I12, + TCG_REG_R3, data_reg, 31, 31), + tcg_opc_bswap64_i(TCG_REG_P0, + TCG_REG_R3, TCG_REG_R3)); + data_reg = TCG_REG_R3; + } else if (s_bits == MO_64) { + tcg_out_bundle(s, miI, + INSN_NOP_M, + INSN_NOP_I, + tcg_opc_bswap64_i(TCG_REG_P0, TCG_REG_R3, data_reg)); + data_reg = TCG_REG_R3; + } + } + tcg_out_bundle(s, mmI, + tcg_opc_m4 (TCG_REG_P0, opc_st_m4[s_bits], + data_reg, TCG_REG_R2), + INSN_NOP_M, + INSN_NOP_I); +#else + if (GUEST_BASE != 0) { + add_guest_base = tcg_opc_a1 (TCG_REG_P0, OPC_ADD_A1, TCG_REG_R2, + TCG_GUEST_BASE_REG, addr_reg); + addr_reg = TCG_REG_R2; + } else { + add_guest_base = INSN_NOP_M; + } + + if (!bswap) { + tcg_out_bundle(s, (GUEST_BASE ? MmI : mmI), + add_guest_base, + tcg_opc_m4 (TCG_REG_P0, opc_st_m4[s_bits], + data_reg, addr_reg), + INSN_NOP_I); + } else { + if (s_bits == MO_16) { + tcg_out_bundle(s, mII, + add_guest_base, + tcg_opc_i12(TCG_REG_P0, OPC_DEP_Z_I12, + TCG_REG_R3, data_reg, 15, 15), + tcg_opc_bswap64_i(TCG_REG_P0, + TCG_REG_R3, TCG_REG_R3)); + data_reg = TCG_REG_R3; + } else if (s_bits == MO_32) { + tcg_out_bundle(s, mII, + add_guest_base, + tcg_opc_i12(TCG_REG_P0, OPC_DEP_Z_I12, + TCG_REG_R3, data_reg, 31, 31), + tcg_opc_bswap64_i(TCG_REG_P0, + TCG_REG_R3, TCG_REG_R3)); + data_reg = TCG_REG_R3; + } else if (s_bits == MO_64) { + tcg_out_bundle(s, miI, + add_guest_base, + INSN_NOP_I, + tcg_opc_bswap64_i(TCG_REG_P0, TCG_REG_R3, data_reg)); + data_reg = TCG_REG_R3; + } + tcg_out_bundle(s, miI, + tcg_opc_m4 (TCG_REG_P0, opc_st_m4[s_bits], + data_reg, addr_reg), + INSN_NOP_I, + INSN_NOP_I); + } +#endif +} + +#endif + +static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, + const TCGArg *args, const int *const_args) +{ + switch(opc) { + case INDEX_op_exit_tb: + tcg_out_exit_tb(s, args[0]); + break; + case INDEX_op_br: + tcg_out_br(s, arg_label(args[0])); + break; + case INDEX_op_goto_tb: + tcg_out_goto_tb(s, args[0]); + break; + + case INDEX_op_ld8u_i32: + case INDEX_op_ld8u_i64: + tcg_out_ld_rel(s, OPC_LD1_M1, args[0], args[1], args[2]); + break; + case INDEX_op_ld8s_i32: + case INDEX_op_ld8s_i64: + tcg_out_ld_rel(s, OPC_LD1_M1, args[0], args[1], args[2]); + tcg_out_ext(s, OPC_SXT1_I29, args[0], args[0]); + break; + case INDEX_op_ld16u_i32: + case INDEX_op_ld16u_i64: + tcg_out_ld_rel(s, OPC_LD2_M1, args[0], args[1], args[2]); + break; + case INDEX_op_ld16s_i32: + case INDEX_op_ld16s_i64: + tcg_out_ld_rel(s, OPC_LD2_M1, args[0], args[1], args[2]); + tcg_out_ext(s, OPC_SXT2_I29, args[0], args[0]); + break; + case INDEX_op_ld_i32: + case INDEX_op_ld32u_i64: + tcg_out_ld_rel(s, OPC_LD4_M1, args[0], args[1], args[2]); + break; + case INDEX_op_ld32s_i64: + tcg_out_ld_rel(s, OPC_LD4_M1, args[0], args[1], args[2]); + tcg_out_ext(s, OPC_SXT4_I29, args[0], args[0]); + break; + case INDEX_op_ld_i64: + tcg_out_ld_rel(s, OPC_LD8_M1, args[0], args[1], args[2]); + break; + case INDEX_op_st8_i32: + case INDEX_op_st8_i64: + tcg_out_st_rel(s, OPC_ST1_M4, args[0], args[1], args[2]); + break; + case INDEX_op_st16_i32: + case INDEX_op_st16_i64: + tcg_out_st_rel(s, OPC_ST2_M4, args[0], args[1], args[2]); + break; + case INDEX_op_st_i32: + case INDEX_op_st32_i64: + tcg_out_st_rel(s, OPC_ST4_M4, args[0], args[1], args[2]); + break; + case INDEX_op_st_i64: + tcg_out_st_rel(s, OPC_ST8_M4, args[0], args[1], args[2]); + break; + + case INDEX_op_add_i32: + case INDEX_op_add_i64: + tcg_out_add(s, args[0], args[1], args[2], const_args[2]); + break; + case INDEX_op_sub_i32: + case INDEX_op_sub_i64: + tcg_out_sub(s, args[0], args[1], const_args[1], args[2], const_args[2]); + break; + + case INDEX_op_and_i32: + case INDEX_op_and_i64: + /* TCG expects arg2 constant; A3 expects arg1 constant. Swap. */ + tcg_out_alu(s, OPC_AND_A1, OPC_AND_A3, args[0], + args[2], const_args[2], args[1], const_args[1]); + break; + case INDEX_op_andc_i32: + case INDEX_op_andc_i64: + tcg_out_alu(s, OPC_ANDCM_A1, OPC_ANDCM_A3, args[0], + args[1], const_args[1], args[2], const_args[2]); + break; + case INDEX_op_eqv_i32: + case INDEX_op_eqv_i64: + tcg_out_eqv(s, args[0], args[1], const_args[1], + args[2], const_args[2]); + break; + case INDEX_op_nand_i32: + case INDEX_op_nand_i64: + tcg_out_nand(s, args[0], args[1], const_args[1], + args[2], const_args[2]); + break; + case INDEX_op_nor_i32: + case INDEX_op_nor_i64: + tcg_out_nor(s, args[0], args[1], const_args[1], + args[2], const_args[2]); + break; + case INDEX_op_or_i32: + case INDEX_op_or_i64: + /* TCG expects arg2 constant; A3 expects arg1 constant. Swap. */ + tcg_out_alu(s, OPC_OR_A1, OPC_OR_A3, args[0], + args[2], const_args[2], args[1], const_args[1]); + break; + case INDEX_op_orc_i32: + case INDEX_op_orc_i64: + tcg_out_orc(s, args[0], args[1], const_args[1], + args[2], const_args[2]); + break; + case INDEX_op_xor_i32: + case INDEX_op_xor_i64: + /* TCG expects arg2 constant; A3 expects arg1 constant. Swap. */ + tcg_out_alu(s, OPC_XOR_A1, OPC_XOR_A3, args[0], + args[2], const_args[2], args[1], const_args[1]); + break; + + case INDEX_op_mul_i32: + case INDEX_op_mul_i64: + tcg_out_mul(s, args[0], args[1], args[2]); + break; + + case INDEX_op_sar_i32: + tcg_out_sar_i32(s, args[0], args[1], args[2], const_args[2]); + break; + case INDEX_op_sar_i64: + tcg_out_sar_i64(s, args[0], args[1], args[2], const_args[2]); + break; + case INDEX_op_shl_i32: + tcg_out_shl_i32(s, args[0], args[1], args[2], const_args[2]); + break; + case INDEX_op_shl_i64: + tcg_out_shl_i64(s, args[0], args[1], args[2], const_args[2]); + break; + case INDEX_op_shr_i32: + tcg_out_shr_i32(s, args[0], args[1], args[2], const_args[2]); + break; + case INDEX_op_shr_i64: + tcg_out_shr_i64(s, args[0], args[1], args[2], const_args[2]); + break; + case INDEX_op_rotl_i32: + tcg_out_rotl_i32(s, args[0], args[1], args[2], const_args[2]); + break; + case INDEX_op_rotl_i64: + tcg_out_rotl_i64(s, args[0], args[1], args[2], const_args[2]); + break; + case INDEX_op_rotr_i32: + tcg_out_rotr_i32(s, args[0], args[1], args[2], const_args[2]); + break; + case INDEX_op_rotr_i64: + tcg_out_rotr_i64(s, args[0], args[1], args[2], const_args[2]); + break; + + case INDEX_op_ext8s_i32: + case INDEX_op_ext8s_i64: + tcg_out_ext(s, OPC_SXT1_I29, args[0], args[1]); + break; + case INDEX_op_ext8u_i32: + case INDEX_op_ext8u_i64: + tcg_out_ext(s, OPC_ZXT1_I29, args[0], args[1]); + break; + case INDEX_op_ext16s_i32: + case INDEX_op_ext16s_i64: + tcg_out_ext(s, OPC_SXT2_I29, args[0], args[1]); + break; + case INDEX_op_ext16u_i32: + case INDEX_op_ext16u_i64: + tcg_out_ext(s, OPC_ZXT2_I29, args[0], args[1]); + break; + case INDEX_op_ext32s_i64: + tcg_out_ext(s, OPC_SXT4_I29, args[0], args[1]); + break; + case INDEX_op_ext32u_i64: + tcg_out_ext(s, OPC_ZXT4_I29, args[0], args[1]); + break; + + case INDEX_op_bswap16_i32: + case INDEX_op_bswap16_i64: + tcg_out_bswap16(s, args[0], args[1]); + break; + case INDEX_op_bswap32_i32: + case INDEX_op_bswap32_i64: + tcg_out_bswap32(s, args[0], args[1]); + break; + case INDEX_op_bswap64_i64: + tcg_out_bswap64(s, args[0], args[1]); + break; + + case INDEX_op_deposit_i32: + case INDEX_op_deposit_i64: + tcg_out_deposit(s, args[0], args[1], args[2], const_args[2], + args[3], args[4]); + break; + + case INDEX_op_brcond_i32: + tcg_out_brcond(s, args[2], args[0], args[1], arg_label(args[3]), 1); + break; + case INDEX_op_brcond_i64: + tcg_out_brcond(s, args[2], args[0], args[1], arg_label(args[3]), 0); + break; + case INDEX_op_setcond_i32: + tcg_out_setcond(s, args[3], args[0], args[1], args[2], 1); + break; + case INDEX_op_setcond_i64: + tcg_out_setcond(s, args[3], args[0], args[1], args[2], 0); + break; + case INDEX_op_movcond_i32: + tcg_out_movcond(s, args[5], args[0], args[1], args[2], + args[3], const_args[3], args[4], const_args[4], 1); + break; + case INDEX_op_movcond_i64: + tcg_out_movcond(s, args[5], args[0], args[1], args[2], + args[3], const_args[3], args[4], const_args[4], 0); + break; + + case INDEX_op_qemu_ld_i32: + tcg_out_qemu_ld(s, args); + break; + case INDEX_op_qemu_ld_i64: + tcg_out_qemu_ld(s, args); + break; + case INDEX_op_qemu_st_i32: + tcg_out_qemu_st(s, args); + break; + case INDEX_op_qemu_st_i64: + tcg_out_qemu_st(s, args); + break; + + case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */ + case INDEX_op_mov_i64: + case INDEX_op_movi_i32: /* Always emitted via tcg_out_movi. */ + case INDEX_op_movi_i64: + case INDEX_op_call: /* Always emitted via tcg_out_call. */ + default: + tcg_abort(); + } +} + +static const TCGTargetOpDef ia64_op_defs[] = { + { INDEX_op_br, { } }, + { INDEX_op_exit_tb, { } }, + { INDEX_op_goto_tb, { } }, + + { 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, { "rZ", "r" } }, + { INDEX_op_st16_i32, { "rZ", "r" } }, + { INDEX_op_st_i32, { "rZ", "r" } }, + + { INDEX_op_add_i32, { "r", "rZ", "rI" } }, + { INDEX_op_sub_i32, { "r", "rI", "rI" } }, + + { INDEX_op_and_i32, { "r", "rI", "rI" } }, + { INDEX_op_andc_i32, { "r", "rI", "rI" } }, + { INDEX_op_eqv_i32, { "r", "rZ", "rZ" } }, + { INDEX_op_nand_i32, { "r", "rZ", "rZ" } }, + { INDEX_op_nor_i32, { "r", "rZ", "rZ" } }, + { INDEX_op_or_i32, { "r", "rI", "rI" } }, + { INDEX_op_orc_i32, { "r", "rZ", "rZ" } }, + { INDEX_op_xor_i32, { "r", "rI", "rI" } }, + + { INDEX_op_mul_i32, { "r", "rZ", "rZ" } }, + + { INDEX_op_sar_i32, { "r", "rZ", "ri" } }, + { INDEX_op_shl_i32, { "r", "rZ", "ri" } }, + { INDEX_op_shr_i32, { "r", "rZ", "ri" } }, + { INDEX_op_rotl_i32, { "r", "rZ", "ri" } }, + { INDEX_op_rotr_i32, { "r", "rZ", "ri" } }, + + { INDEX_op_ext8s_i32, { "r", "rZ"} }, + { INDEX_op_ext8u_i32, { "r", "rZ"} }, + { INDEX_op_ext16s_i32, { "r", "rZ"} }, + { INDEX_op_ext16u_i32, { "r", "rZ"} }, + + { INDEX_op_bswap16_i32, { "r", "rZ" } }, + { INDEX_op_bswap32_i32, { "r", "rZ" } }, + + { INDEX_op_brcond_i32, { "rZ", "rZ" } }, + { INDEX_op_setcond_i32, { "r", "rZ", "rZ" } }, + { INDEX_op_movcond_i32, { "r", "rZ", "rZ", "rI", "rI" } }, + + { 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, { "rZ", "r" } }, + { INDEX_op_st16_i64, { "rZ", "r" } }, + { INDEX_op_st32_i64, { "rZ", "r" } }, + { INDEX_op_st_i64, { "rZ", "r" } }, + + { INDEX_op_add_i64, { "r", "rZ", "rI" } }, + { INDEX_op_sub_i64, { "r", "rI", "rI" } }, + + { INDEX_op_and_i64, { "r", "rI", "rI" } }, + { INDEX_op_andc_i64, { "r", "rI", "rI" } }, + { INDEX_op_eqv_i64, { "r", "rZ", "rZ" } }, + { INDEX_op_nand_i64, { "r", "rZ", "rZ" } }, + { INDEX_op_nor_i64, { "r", "rZ", "rZ" } }, + { INDEX_op_or_i64, { "r", "rI", "rI" } }, + { INDEX_op_orc_i64, { "r", "rZ", "rZ" } }, + { INDEX_op_xor_i64, { "r", "rI", "rI" } }, + + { INDEX_op_mul_i64, { "r", "rZ", "rZ" } }, + + { INDEX_op_sar_i64, { "r", "rZ", "ri" } }, + { INDEX_op_shl_i64, { "r", "rZ", "ri" } }, + { INDEX_op_shr_i64, { "r", "rZ", "ri" } }, + { INDEX_op_rotl_i64, { "r", "rZ", "ri" } }, + { INDEX_op_rotr_i64, { "r", "rZ", "ri" } }, + + { INDEX_op_ext8s_i64, { "r", "rZ"} }, + { INDEX_op_ext8u_i64, { "r", "rZ"} }, + { INDEX_op_ext16s_i64, { "r", "rZ"} }, + { INDEX_op_ext16u_i64, { "r", "rZ"} }, + { INDEX_op_ext32s_i64, { "r", "rZ"} }, + { INDEX_op_ext32u_i64, { "r", "rZ"} }, + + { INDEX_op_bswap16_i64, { "r", "rZ" } }, + { INDEX_op_bswap32_i64, { "r", "rZ" } }, + { INDEX_op_bswap64_i64, { "r", "rZ" } }, + + { INDEX_op_brcond_i64, { "rZ", "rZ" } }, + { INDEX_op_setcond_i64, { "r", "rZ", "rZ" } }, + { INDEX_op_movcond_i64, { "r", "rZ", "rZ", "rI", "rI" } }, + + { INDEX_op_deposit_i32, { "r", "rZ", "ri" } }, + { INDEX_op_deposit_i64, { "r", "rZ", "ri" } }, + + { INDEX_op_qemu_ld_i32, { "r", "r" } }, + { INDEX_op_qemu_ld_i64, { "r", "r" } }, + { INDEX_op_qemu_st_i32, { "SZ", "r" } }, + { INDEX_op_qemu_st_i64, { "SZ", "r" } }, + + { -1 }, +}; + +/* Generate global QEMU prologue and epilogue code */ +static void tcg_target_qemu_prologue(TCGContext *s) +{ + int frame_size; + + /* reserve some stack space */ + frame_size = TCG_STATIC_CALL_ARGS_SIZE + + CPU_TEMP_BUF_NLONGS * sizeof(long); + frame_size = (frame_size + TCG_TARGET_STACK_ALIGN - 1) & + ~(TCG_TARGET_STACK_ALIGN - 1); + tcg_set_frame(s, TCG_REG_CALL_STACK, TCG_STATIC_CALL_ARGS_SIZE, + CPU_TEMP_BUF_NLONGS * sizeof(long)); + + /* First emit adhoc function descriptor */ + *s->code_ptr = (tcg_insn_unit){ + (uint64_t)(s->code_ptr + 1), /* entry point */ + 0 /* skip gp */ + }; + s->code_ptr++; + + /* prologue */ + tcg_out_bundle(s, miI, + tcg_opc_m34(TCG_REG_P0, OPC_ALLOC_M34, + TCG_REG_R34, 32, 24, 0), + INSN_NOP_I, + tcg_opc_i21(TCG_REG_P0, OPC_MOV_I21, + TCG_REG_B6, TCG_REG_R33, 0)); + + /* ??? If GUEST_BASE < 0x200000, we could load the register via + an ADDL in the M slot of the next bundle. */ + if (GUEST_BASE != 0) { + tcg_out_bundle(s, mlx, + INSN_NOP_M, + tcg_opc_l2 (GUEST_BASE), + tcg_opc_x2 (TCG_REG_P0, OPC_MOVL_X2, + TCG_GUEST_BASE_REG, GUEST_BASE)); + tcg_regset_set_reg(s->reserved_regs, TCG_GUEST_BASE_REG); + } + + tcg_out_bundle(s, miB, + tcg_opc_a4 (TCG_REG_P0, OPC_ADDS_A4, + TCG_REG_R12, -frame_size, TCG_REG_R12), + tcg_opc_i22(TCG_REG_P0, OPC_MOV_I22, + TCG_REG_R33, TCG_REG_B0), + tcg_opc_b4 (TCG_REG_P0, OPC_BR_SPTK_MANY_B4, TCG_REG_B6)); + + /* epilogue */ + tb_ret_addr = s->code_ptr; + tcg_out_bundle(s, miI, + INSN_NOP_M, + tcg_opc_i21(TCG_REG_P0, OPC_MOV_I21, + TCG_REG_B0, TCG_REG_R33, 0), + tcg_opc_a4 (TCG_REG_P0, OPC_ADDS_A4, + TCG_REG_R12, frame_size, TCG_REG_R12)); + tcg_out_bundle(s, miB, + INSN_NOP_M, + tcg_opc_i26(TCG_REG_P0, OPC_MOV_I_I26, + TCG_REG_PFS, TCG_REG_R34), + tcg_opc_b4 (TCG_REG_P0, OPC_BR_RET_SPTK_MANY_B4, + TCG_REG_B0)); +} + +static void tcg_target_init(TCGContext *s) +{ + tcg_regset_set(tcg_target_available_regs[TCG_TYPE_I32], + 0xffffffffffffffffull); + tcg_regset_set(tcg_target_available_regs[TCG_TYPE_I64], + 0xffffffffffffffffull); + + tcg_regset_clear(tcg_target_call_clobber_regs); + 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_set_reg(tcg_target_call_clobber_regs, TCG_REG_R14); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R15); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R16); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R17); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R18); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R19); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R20); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R21); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R22); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R23); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R24); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R25); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R26); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R27); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R28); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R29); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R30); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R31); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R56); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R57); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R58); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R59); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R60); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R61); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R62); + tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_R63); + + tcg_regset_clear(s->reserved_regs); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_R0); /* zero register */ + tcg_regset_set_reg(s->reserved_regs, TCG_REG_R1); /* global pointer */ + tcg_regset_set_reg(s->reserved_regs, TCG_REG_R2); /* internal use */ + tcg_regset_set_reg(s->reserved_regs, TCG_REG_R3); /* internal use */ + tcg_regset_set_reg(s->reserved_regs, TCG_REG_R12); /* stack pointer */ + tcg_regset_set_reg(s->reserved_regs, TCG_REG_R13); /* thread pointer */ + tcg_regset_set_reg(s->reserved_regs, TCG_REG_R33); /* return address */ + tcg_regset_set_reg(s->reserved_regs, TCG_REG_R34); /* PFS */ + + /* The following 4 are not in use, are call-saved, but *not* saved + by the prologue. Therefore we cannot use them without modifying + the prologue. There doesn't seem to be any good reason to use + these as opposed to the windowed registers. */ + tcg_regset_set_reg(s->reserved_regs, TCG_REG_R4); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_R5); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_R6); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_R7); + + tcg_add_target_add_op_defs(ia64_op_defs); +} |