diff options
Diffstat (limited to 'tcg/tcg-op.c')
| -rw-r--r-- | tcg/tcg-op.c | 1945 |
1 files changed, 1945 insertions, 0 deletions
diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c new file mode 100644 index 00000000..45098c31 --- /dev/null +++ b/tcg/tcg-op.c @@ -0,0 +1,1945 @@ +/* + * 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. + */ + +#include "tcg.h" +#include "tcg-op.h" + +/* Reduce the number of ifdefs below. This assumes that all uses of + TCGV_HIGH and TCGV_LOW are properly protected by a conditional that + the compiler can eliminate. */ +#if TCG_TARGET_REG_BITS == 64 +extern TCGv_i32 TCGV_LOW_link_error(TCGv_i64); +extern TCGv_i32 TCGV_HIGH_link_error(TCGv_i64); +#define TCGV_LOW TCGV_LOW_link_error +#define TCGV_HIGH TCGV_HIGH_link_error +#endif + +/* Note that this is optimized for sequential allocation during translate. + Up to and including filling in the forward link immediately. We'll do + proper termination of the end of the list after we finish translation. */ + +static void tcg_emit_op(TCGContext *ctx, TCGOpcode opc, int args) +{ + int oi = ctx->gen_next_op_idx; + int ni = oi + 1; + int pi = oi - 1; + + tcg_debug_assert(oi < OPC_BUF_SIZE); + ctx->gen_last_op_idx = oi; + ctx->gen_next_op_idx = ni; + + ctx->gen_op_buf[oi] = (TCGOp){ + .opc = opc, + .args = args, + .prev = pi, + .next = ni + }; +} + +void tcg_gen_op1(TCGContext *ctx, TCGOpcode opc, TCGArg a1) +{ + int pi = ctx->gen_next_parm_idx; + + tcg_debug_assert(pi + 1 <= OPPARAM_BUF_SIZE); + ctx->gen_next_parm_idx = pi + 1; + ctx->gen_opparam_buf[pi] = a1; + + tcg_emit_op(ctx, opc, pi); +} + +void tcg_gen_op2(TCGContext *ctx, TCGOpcode opc, TCGArg a1, TCGArg a2) +{ + int pi = ctx->gen_next_parm_idx; + + tcg_debug_assert(pi + 2 <= OPPARAM_BUF_SIZE); + ctx->gen_next_parm_idx = pi + 2; + ctx->gen_opparam_buf[pi + 0] = a1; + ctx->gen_opparam_buf[pi + 1] = a2; + + tcg_emit_op(ctx, opc, pi); +} + +void tcg_gen_op3(TCGContext *ctx, TCGOpcode opc, TCGArg a1, + TCGArg a2, TCGArg a3) +{ + int pi = ctx->gen_next_parm_idx; + + tcg_debug_assert(pi + 3 <= OPPARAM_BUF_SIZE); + ctx->gen_next_parm_idx = pi + 3; + ctx->gen_opparam_buf[pi + 0] = a1; + ctx->gen_opparam_buf[pi + 1] = a2; + ctx->gen_opparam_buf[pi + 2] = a3; + + tcg_emit_op(ctx, opc, pi); +} + +void tcg_gen_op4(TCGContext *ctx, TCGOpcode opc, TCGArg a1, + TCGArg a2, TCGArg a3, TCGArg a4) +{ + int pi = ctx->gen_next_parm_idx; + + tcg_debug_assert(pi + 4 <= OPPARAM_BUF_SIZE); + ctx->gen_next_parm_idx = pi + 4; + ctx->gen_opparam_buf[pi + 0] = a1; + ctx->gen_opparam_buf[pi + 1] = a2; + ctx->gen_opparam_buf[pi + 2] = a3; + ctx->gen_opparam_buf[pi + 3] = a4; + + tcg_emit_op(ctx, opc, pi); +} + +void tcg_gen_op5(TCGContext *ctx, TCGOpcode opc, TCGArg a1, + TCGArg a2, TCGArg a3, TCGArg a4, TCGArg a5) +{ + int pi = ctx->gen_next_parm_idx; + + tcg_debug_assert(pi + 5 <= OPPARAM_BUF_SIZE); + ctx->gen_next_parm_idx = pi + 5; + ctx->gen_opparam_buf[pi + 0] = a1; + ctx->gen_opparam_buf[pi + 1] = a2; + ctx->gen_opparam_buf[pi + 2] = a3; + ctx->gen_opparam_buf[pi + 3] = a4; + ctx->gen_opparam_buf[pi + 4] = a5; + + tcg_emit_op(ctx, opc, pi); +} + +void tcg_gen_op6(TCGContext *ctx, TCGOpcode opc, TCGArg a1, TCGArg a2, + TCGArg a3, TCGArg a4, TCGArg a5, TCGArg a6) +{ + int pi = ctx->gen_next_parm_idx; + + tcg_debug_assert(pi + 6 <= OPPARAM_BUF_SIZE); + ctx->gen_next_parm_idx = pi + 6; + ctx->gen_opparam_buf[pi + 0] = a1; + ctx->gen_opparam_buf[pi + 1] = a2; + ctx->gen_opparam_buf[pi + 2] = a3; + ctx->gen_opparam_buf[pi + 3] = a4; + ctx->gen_opparam_buf[pi + 4] = a5; + ctx->gen_opparam_buf[pi + 5] = a6; + + tcg_emit_op(ctx, opc, pi); +} + +/* 32 bit ops */ + +void tcg_gen_addi_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2) +{ + /* some cases can be optimized here */ + if (arg2 == 0) { + tcg_gen_mov_i32(ret, arg1); + } else { + TCGv_i32 t0 = tcg_const_i32(arg2); + tcg_gen_add_i32(ret, arg1, t0); + tcg_temp_free_i32(t0); + } +} + +void tcg_gen_subfi_i32(TCGv_i32 ret, int32_t arg1, TCGv_i32 arg2) +{ + if (arg1 == 0 && TCG_TARGET_HAS_neg_i32) { + /* Don't recurse with tcg_gen_neg_i32. */ + tcg_gen_op2_i32(INDEX_op_neg_i32, ret, arg2); + } else { + TCGv_i32 t0 = tcg_const_i32(arg1); + tcg_gen_sub_i32(ret, t0, arg2); + tcg_temp_free_i32(t0); + } +} + +void tcg_gen_subi_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2) +{ + /* some cases can be optimized here */ + if (arg2 == 0) { + tcg_gen_mov_i32(ret, arg1); + } else { + TCGv_i32 t0 = tcg_const_i32(arg2); + tcg_gen_sub_i32(ret, arg1, t0); + tcg_temp_free_i32(t0); + } +} + +void tcg_gen_andi_i32(TCGv_i32 ret, TCGv_i32 arg1, uint32_t arg2) +{ + TCGv_i32 t0; + /* Some cases can be optimized here. */ + switch (arg2) { + case 0: + tcg_gen_movi_i32(ret, 0); + return; + case 0xffffffffu: + tcg_gen_mov_i32(ret, arg1); + return; + case 0xffu: + /* Don't recurse with tcg_gen_ext8u_i32. */ + if (TCG_TARGET_HAS_ext8u_i32) { + tcg_gen_op2_i32(INDEX_op_ext8u_i32, ret, arg1); + return; + } + break; + case 0xffffu: + if (TCG_TARGET_HAS_ext16u_i32) { + tcg_gen_op2_i32(INDEX_op_ext16u_i32, ret, arg1); + return; + } + break; + } + t0 = tcg_const_i32(arg2); + tcg_gen_and_i32(ret, arg1, t0); + tcg_temp_free_i32(t0); +} + +void tcg_gen_ori_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2) +{ + /* Some cases can be optimized here. */ + if (arg2 == -1) { + tcg_gen_movi_i32(ret, -1); + } else if (arg2 == 0) { + tcg_gen_mov_i32(ret, arg1); + } else { + TCGv_i32 t0 = tcg_const_i32(arg2); + tcg_gen_or_i32(ret, arg1, t0); + tcg_temp_free_i32(t0); + } +} + +void tcg_gen_xori_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2) +{ + /* Some cases can be optimized here. */ + if (arg2 == 0) { + tcg_gen_mov_i32(ret, arg1); + } else if (arg2 == -1 && TCG_TARGET_HAS_not_i32) { + /* Don't recurse with tcg_gen_not_i32. */ + tcg_gen_op2_i32(INDEX_op_not_i32, ret, arg1); + } else { + TCGv_i32 t0 = tcg_const_i32(arg2); + tcg_gen_xor_i32(ret, arg1, t0); + tcg_temp_free_i32(t0); + } +} + +void tcg_gen_shli_i32(TCGv_i32 ret, TCGv_i32 arg1, unsigned arg2) +{ + tcg_debug_assert(arg2 < 32); + if (arg2 == 0) { + tcg_gen_mov_i32(ret, arg1); + } else { + TCGv_i32 t0 = tcg_const_i32(arg2); + tcg_gen_shl_i32(ret, arg1, t0); + tcg_temp_free_i32(t0); + } +} + +void tcg_gen_shri_i32(TCGv_i32 ret, TCGv_i32 arg1, unsigned arg2) +{ + tcg_debug_assert(arg2 < 32); + if (arg2 == 0) { + tcg_gen_mov_i32(ret, arg1); + } else { + TCGv_i32 t0 = tcg_const_i32(arg2); + tcg_gen_shr_i32(ret, arg1, t0); + tcg_temp_free_i32(t0); + } +} + +void tcg_gen_sari_i32(TCGv_i32 ret, TCGv_i32 arg1, unsigned arg2) +{ + tcg_debug_assert(arg2 < 32); + if (arg2 == 0) { + tcg_gen_mov_i32(ret, arg1); + } else { + TCGv_i32 t0 = tcg_const_i32(arg2); + tcg_gen_sar_i32(ret, arg1, t0); + tcg_temp_free_i32(t0); + } +} + +void tcg_gen_brcond_i32(TCGCond cond, TCGv_i32 arg1, TCGv_i32 arg2, TCGLabel *l) +{ + if (cond == TCG_COND_ALWAYS) { + tcg_gen_br(l); + } else if (cond != TCG_COND_NEVER) { + tcg_gen_op4ii_i32(INDEX_op_brcond_i32, arg1, arg2, cond, label_arg(l)); + } +} + +void tcg_gen_brcondi_i32(TCGCond cond, TCGv_i32 arg1, int32_t arg2, TCGLabel *l) +{ + if (cond == TCG_COND_ALWAYS) { + tcg_gen_br(l); + } else if (cond != TCG_COND_NEVER) { + TCGv_i32 t0 = tcg_const_i32(arg2); + tcg_gen_brcond_i32(cond, arg1, t0, l); + tcg_temp_free_i32(t0); + } +} + +void tcg_gen_setcond_i32(TCGCond cond, TCGv_i32 ret, + TCGv_i32 arg1, TCGv_i32 arg2) +{ + if (cond == TCG_COND_ALWAYS) { + tcg_gen_movi_i32(ret, 1); + } else if (cond == TCG_COND_NEVER) { + tcg_gen_movi_i32(ret, 0); + } else { + tcg_gen_op4i_i32(INDEX_op_setcond_i32, ret, arg1, arg2, cond); + } +} + +void tcg_gen_setcondi_i32(TCGCond cond, TCGv_i32 ret, + TCGv_i32 arg1, int32_t arg2) +{ + TCGv_i32 t0 = tcg_const_i32(arg2); + tcg_gen_setcond_i32(cond, ret, arg1, t0); + tcg_temp_free_i32(t0); +} + +void tcg_gen_muli_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2) +{ + TCGv_i32 t0 = tcg_const_i32(arg2); + tcg_gen_mul_i32(ret, arg1, t0); + tcg_temp_free_i32(t0); +} + +void tcg_gen_div_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) +{ + if (TCG_TARGET_HAS_div_i32) { + tcg_gen_op3_i32(INDEX_op_div_i32, ret, arg1, arg2); + } else if (TCG_TARGET_HAS_div2_i32) { + TCGv_i32 t0 = tcg_temp_new_i32(); + tcg_gen_sari_i32(t0, arg1, 31); + tcg_gen_op5_i32(INDEX_op_div2_i32, ret, t0, arg1, t0, arg2); + tcg_temp_free_i32(t0); + } else { + gen_helper_div_i32(ret, arg1, arg2); + } +} + +void tcg_gen_rem_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) +{ + if (TCG_TARGET_HAS_rem_i32) { + tcg_gen_op3_i32(INDEX_op_rem_i32, ret, arg1, arg2); + } else if (TCG_TARGET_HAS_div_i32) { + TCGv_i32 t0 = tcg_temp_new_i32(); + tcg_gen_op3_i32(INDEX_op_div_i32, t0, arg1, arg2); + tcg_gen_mul_i32(t0, t0, arg2); + tcg_gen_sub_i32(ret, arg1, t0); + tcg_temp_free_i32(t0); + } else if (TCG_TARGET_HAS_div2_i32) { + TCGv_i32 t0 = tcg_temp_new_i32(); + tcg_gen_sari_i32(t0, arg1, 31); + tcg_gen_op5_i32(INDEX_op_div2_i32, t0, ret, arg1, t0, arg2); + tcg_temp_free_i32(t0); + } else { + gen_helper_rem_i32(ret, arg1, arg2); + } +} + +void tcg_gen_divu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) +{ + if (TCG_TARGET_HAS_div_i32) { + tcg_gen_op3_i32(INDEX_op_divu_i32, ret, arg1, arg2); + } else if (TCG_TARGET_HAS_div2_i32) { + TCGv_i32 t0 = tcg_temp_new_i32(); + tcg_gen_movi_i32(t0, 0); + tcg_gen_op5_i32(INDEX_op_divu2_i32, ret, t0, arg1, t0, arg2); + tcg_temp_free_i32(t0); + } else { + gen_helper_divu_i32(ret, arg1, arg2); + } +} + +void tcg_gen_remu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) +{ + if (TCG_TARGET_HAS_rem_i32) { + tcg_gen_op3_i32(INDEX_op_remu_i32, ret, arg1, arg2); + } else if (TCG_TARGET_HAS_div_i32) { + TCGv_i32 t0 = tcg_temp_new_i32(); + tcg_gen_op3_i32(INDEX_op_divu_i32, t0, arg1, arg2); + tcg_gen_mul_i32(t0, t0, arg2); + tcg_gen_sub_i32(ret, arg1, t0); + tcg_temp_free_i32(t0); + } else if (TCG_TARGET_HAS_div2_i32) { + TCGv_i32 t0 = tcg_temp_new_i32(); + tcg_gen_movi_i32(t0, 0); + tcg_gen_op5_i32(INDEX_op_divu2_i32, t0, ret, arg1, t0, arg2); + tcg_temp_free_i32(t0); + } else { + gen_helper_remu_i32(ret, arg1, arg2); + } +} + +void tcg_gen_andc_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) +{ + if (TCG_TARGET_HAS_andc_i32) { + tcg_gen_op3_i32(INDEX_op_andc_i32, ret, arg1, arg2); + } else { + TCGv_i32 t0 = tcg_temp_new_i32(); + tcg_gen_not_i32(t0, arg2); + tcg_gen_and_i32(ret, arg1, t0); + tcg_temp_free_i32(t0); + } +} + +void tcg_gen_eqv_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) +{ + if (TCG_TARGET_HAS_eqv_i32) { + tcg_gen_op3_i32(INDEX_op_eqv_i32, ret, arg1, arg2); + } else { + tcg_gen_xor_i32(ret, arg1, arg2); + tcg_gen_not_i32(ret, ret); + } +} + +void tcg_gen_nand_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) +{ + if (TCG_TARGET_HAS_nand_i32) { + tcg_gen_op3_i32(INDEX_op_nand_i32, ret, arg1, arg2); + } else { + tcg_gen_and_i32(ret, arg1, arg2); + tcg_gen_not_i32(ret, ret); + } +} + +void tcg_gen_nor_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) +{ + if (TCG_TARGET_HAS_nor_i32) { + tcg_gen_op3_i32(INDEX_op_nor_i32, ret, arg1, arg2); + } else { + tcg_gen_or_i32(ret, arg1, arg2); + tcg_gen_not_i32(ret, ret); + } +} + +void tcg_gen_orc_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) +{ + if (TCG_TARGET_HAS_orc_i32) { + tcg_gen_op3_i32(INDEX_op_orc_i32, ret, arg1, arg2); + } else { + TCGv_i32 t0 = tcg_temp_new_i32(); + tcg_gen_not_i32(t0, arg2); + tcg_gen_or_i32(ret, arg1, t0); + tcg_temp_free_i32(t0); + } +} + +void tcg_gen_rotl_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) +{ + if (TCG_TARGET_HAS_rot_i32) { + tcg_gen_op3_i32(INDEX_op_rotl_i32, ret, arg1, arg2); + } else { + TCGv_i32 t0, t1; + + t0 = tcg_temp_new_i32(); + t1 = tcg_temp_new_i32(); + tcg_gen_shl_i32(t0, arg1, arg2); + tcg_gen_subfi_i32(t1, 32, arg2); + tcg_gen_shr_i32(t1, arg1, t1); + tcg_gen_or_i32(ret, t0, t1); + tcg_temp_free_i32(t0); + tcg_temp_free_i32(t1); + } +} + +void tcg_gen_rotli_i32(TCGv_i32 ret, TCGv_i32 arg1, unsigned arg2) +{ + tcg_debug_assert(arg2 < 32); + /* some cases can be optimized here */ + if (arg2 == 0) { + tcg_gen_mov_i32(ret, arg1); + } else if (TCG_TARGET_HAS_rot_i32) { + TCGv_i32 t0 = tcg_const_i32(arg2); + tcg_gen_rotl_i32(ret, arg1, t0); + tcg_temp_free_i32(t0); + } else { + TCGv_i32 t0, t1; + t0 = tcg_temp_new_i32(); + t1 = tcg_temp_new_i32(); + tcg_gen_shli_i32(t0, arg1, arg2); + tcg_gen_shri_i32(t1, arg1, 32 - arg2); + tcg_gen_or_i32(ret, t0, t1); + tcg_temp_free_i32(t0); + tcg_temp_free_i32(t1); + } +} + +void tcg_gen_rotr_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) +{ + if (TCG_TARGET_HAS_rot_i32) { + tcg_gen_op3_i32(INDEX_op_rotr_i32, ret, arg1, arg2); + } else { + TCGv_i32 t0, t1; + + t0 = tcg_temp_new_i32(); + t1 = tcg_temp_new_i32(); + tcg_gen_shr_i32(t0, arg1, arg2); + tcg_gen_subfi_i32(t1, 32, arg2); + tcg_gen_shl_i32(t1, arg1, t1); + tcg_gen_or_i32(ret, t0, t1); + tcg_temp_free_i32(t0); + tcg_temp_free_i32(t1); + } +} + +void tcg_gen_rotri_i32(TCGv_i32 ret, TCGv_i32 arg1, unsigned arg2) +{ + tcg_debug_assert(arg2 < 32); + /* some cases can be optimized here */ + if (arg2 == 0) { + tcg_gen_mov_i32(ret, arg1); + } else { + tcg_gen_rotli_i32(ret, arg1, 32 - arg2); + } +} + +void tcg_gen_deposit_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2, + unsigned int ofs, unsigned int len) +{ + uint32_t mask; + TCGv_i32 t1; + + tcg_debug_assert(ofs < 32); + tcg_debug_assert(len <= 32); + tcg_debug_assert(ofs + len <= 32); + + if (ofs == 0 && len == 32) { + tcg_gen_mov_i32(ret, arg2); + return; + } + if (TCG_TARGET_HAS_deposit_i32 && TCG_TARGET_deposit_i32_valid(ofs, len)) { + tcg_gen_op5ii_i32(INDEX_op_deposit_i32, ret, arg1, arg2, ofs, len); + return; + } + + mask = (1u << len) - 1; + t1 = tcg_temp_new_i32(); + + if (ofs + len < 32) { + tcg_gen_andi_i32(t1, arg2, mask); + tcg_gen_shli_i32(t1, t1, ofs); + } else { + tcg_gen_shli_i32(t1, arg2, ofs); + } + tcg_gen_andi_i32(ret, arg1, ~(mask << ofs)); + tcg_gen_or_i32(ret, ret, t1); + + tcg_temp_free_i32(t1); +} + +void tcg_gen_movcond_i32(TCGCond cond, TCGv_i32 ret, TCGv_i32 c1, + TCGv_i32 c2, TCGv_i32 v1, TCGv_i32 v2) +{ + if (cond == TCG_COND_ALWAYS) { + tcg_gen_mov_i32(ret, v1); + } else if (cond == TCG_COND_NEVER) { + tcg_gen_mov_i32(ret, v2); + } else if (TCG_TARGET_HAS_movcond_i32) { + tcg_gen_op6i_i32(INDEX_op_movcond_i32, ret, c1, c2, v1, v2, cond); + } else { + TCGv_i32 t0 = tcg_temp_new_i32(); + TCGv_i32 t1 = tcg_temp_new_i32(); + tcg_gen_setcond_i32(cond, t0, c1, c2); + tcg_gen_neg_i32(t0, t0); + tcg_gen_and_i32(t1, v1, t0); + tcg_gen_andc_i32(ret, v2, t0); + tcg_gen_or_i32(ret, ret, t1); + tcg_temp_free_i32(t0); + tcg_temp_free_i32(t1); + } +} + +void tcg_gen_add2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 al, + TCGv_i32 ah, TCGv_i32 bl, TCGv_i32 bh) +{ + if (TCG_TARGET_HAS_add2_i32) { + tcg_gen_op6_i32(INDEX_op_add2_i32, rl, rh, al, ah, bl, bh); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + tcg_gen_concat_i32_i64(t0, al, ah); + tcg_gen_concat_i32_i64(t1, bl, bh); + tcg_gen_add_i64(t0, t0, t1); + tcg_gen_extr_i64_i32(rl, rh, t0); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + } +} + +void tcg_gen_sub2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 al, + TCGv_i32 ah, TCGv_i32 bl, TCGv_i32 bh) +{ + if (TCG_TARGET_HAS_sub2_i32) { + tcg_gen_op6_i32(INDEX_op_sub2_i32, rl, rh, al, ah, bl, bh); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + tcg_gen_concat_i32_i64(t0, al, ah); + tcg_gen_concat_i32_i64(t1, bl, bh); + tcg_gen_sub_i64(t0, t0, t1); + tcg_gen_extr_i64_i32(rl, rh, t0); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + } +} + +void tcg_gen_mulu2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 arg1, TCGv_i32 arg2) +{ + if (TCG_TARGET_HAS_mulu2_i32) { + tcg_gen_op4_i32(INDEX_op_mulu2_i32, rl, rh, arg1, arg2); + } else if (TCG_TARGET_HAS_muluh_i32) { + TCGv_i32 t = tcg_temp_new_i32(); + tcg_gen_op3_i32(INDEX_op_mul_i32, t, arg1, arg2); + tcg_gen_op3_i32(INDEX_op_muluh_i32, rh, arg1, arg2); + tcg_gen_mov_i32(rl, t); + tcg_temp_free_i32(t); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + tcg_gen_extu_i32_i64(t0, arg1); + tcg_gen_extu_i32_i64(t1, arg2); + tcg_gen_mul_i64(t0, t0, t1); + tcg_gen_extr_i64_i32(rl, rh, t0); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + } +} + +void tcg_gen_muls2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 arg1, TCGv_i32 arg2) +{ + if (TCG_TARGET_HAS_muls2_i32) { + tcg_gen_op4_i32(INDEX_op_muls2_i32, rl, rh, arg1, arg2); + } else if (TCG_TARGET_HAS_mulsh_i32) { + TCGv_i32 t = tcg_temp_new_i32(); + tcg_gen_op3_i32(INDEX_op_mul_i32, t, arg1, arg2); + tcg_gen_op3_i32(INDEX_op_mulsh_i32, rh, arg1, arg2); + tcg_gen_mov_i32(rl, t); + tcg_temp_free_i32(t); + } else if (TCG_TARGET_REG_BITS == 32) { + TCGv_i32 t0 = tcg_temp_new_i32(); + TCGv_i32 t1 = tcg_temp_new_i32(); + TCGv_i32 t2 = tcg_temp_new_i32(); + TCGv_i32 t3 = tcg_temp_new_i32(); + tcg_gen_mulu2_i32(t0, t1, arg1, arg2); + /* Adjust for negative inputs. */ + tcg_gen_sari_i32(t2, arg1, 31); + tcg_gen_sari_i32(t3, arg2, 31); + tcg_gen_and_i32(t2, t2, arg2); + tcg_gen_and_i32(t3, t3, arg1); + tcg_gen_sub_i32(rh, t1, t2); + tcg_gen_sub_i32(rh, rh, t3); + tcg_gen_mov_i32(rl, t0); + tcg_temp_free_i32(t0); + tcg_temp_free_i32(t1); + tcg_temp_free_i32(t2); + tcg_temp_free_i32(t3); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + tcg_gen_ext_i32_i64(t0, arg1); + tcg_gen_ext_i32_i64(t1, arg2); + tcg_gen_mul_i64(t0, t0, t1); + tcg_gen_extr_i64_i32(rl, rh, t0); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + } +} + +void tcg_gen_ext8s_i32(TCGv_i32 ret, TCGv_i32 arg) +{ + if (TCG_TARGET_HAS_ext8s_i32) { + tcg_gen_op2_i32(INDEX_op_ext8s_i32, ret, arg); + } else { + tcg_gen_shli_i32(ret, arg, 24); + tcg_gen_sari_i32(ret, ret, 24); + } +} + +void tcg_gen_ext16s_i32(TCGv_i32 ret, TCGv_i32 arg) +{ + if (TCG_TARGET_HAS_ext16s_i32) { + tcg_gen_op2_i32(INDEX_op_ext16s_i32, ret, arg); + } else { + tcg_gen_shli_i32(ret, arg, 16); + tcg_gen_sari_i32(ret, ret, 16); + } +} + +void tcg_gen_ext8u_i32(TCGv_i32 ret, TCGv_i32 arg) +{ + if (TCG_TARGET_HAS_ext8u_i32) { + tcg_gen_op2_i32(INDEX_op_ext8u_i32, ret, arg); + } else { + tcg_gen_andi_i32(ret, arg, 0xffu); + } +} + +void tcg_gen_ext16u_i32(TCGv_i32 ret, TCGv_i32 arg) +{ + if (TCG_TARGET_HAS_ext16u_i32) { + tcg_gen_op2_i32(INDEX_op_ext16u_i32, ret, arg); + } else { + tcg_gen_andi_i32(ret, arg, 0xffffu); + } +} + +/* Note: we assume the two high bytes are set to zero */ +void tcg_gen_bswap16_i32(TCGv_i32 ret, TCGv_i32 arg) +{ + if (TCG_TARGET_HAS_bswap16_i32) { + tcg_gen_op2_i32(INDEX_op_bswap16_i32, ret, arg); + } else { + TCGv_i32 t0 = tcg_temp_new_i32(); + + tcg_gen_ext8u_i32(t0, arg); + tcg_gen_shli_i32(t0, t0, 8); + tcg_gen_shri_i32(ret, arg, 8); + tcg_gen_or_i32(ret, ret, t0); + tcg_temp_free_i32(t0); + } +} + +void tcg_gen_bswap32_i32(TCGv_i32 ret, TCGv_i32 arg) +{ + if (TCG_TARGET_HAS_bswap32_i32) { + tcg_gen_op2_i32(INDEX_op_bswap32_i32, ret, arg); + } else { + TCGv_i32 t0, t1; + t0 = tcg_temp_new_i32(); + t1 = tcg_temp_new_i32(); + + tcg_gen_shli_i32(t0, arg, 24); + + tcg_gen_andi_i32(t1, arg, 0x0000ff00); + tcg_gen_shli_i32(t1, t1, 8); + tcg_gen_or_i32(t0, t0, t1); + + tcg_gen_shri_i32(t1, arg, 8); + tcg_gen_andi_i32(t1, t1, 0x0000ff00); + tcg_gen_or_i32(t0, t0, t1); + + tcg_gen_shri_i32(t1, arg, 24); + tcg_gen_or_i32(ret, t0, t1); + tcg_temp_free_i32(t0); + tcg_temp_free_i32(t1); + } +} + +/* 64-bit ops */ + +#if TCG_TARGET_REG_BITS == 32 +/* These are all inline for TCG_TARGET_REG_BITS == 64. */ + +void tcg_gen_discard_i64(TCGv_i64 arg) +{ + tcg_gen_discard_i32(TCGV_LOW(arg)); + tcg_gen_discard_i32(TCGV_HIGH(arg)); +} + +void tcg_gen_mov_i64(TCGv_i64 ret, TCGv_i64 arg) +{ + tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg)); + tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg)); +} + +void tcg_gen_movi_i64(TCGv_i64 ret, int64_t arg) +{ + tcg_gen_movi_i32(TCGV_LOW(ret), arg); + tcg_gen_movi_i32(TCGV_HIGH(ret), arg >> 32); +} + +void tcg_gen_ld8u_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset) +{ + tcg_gen_ld8u_i32(TCGV_LOW(ret), arg2, offset); + tcg_gen_movi_i32(TCGV_HIGH(ret), 0); +} + +void tcg_gen_ld8s_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset) +{ + tcg_gen_ld8s_i32(TCGV_LOW(ret), arg2, offset); + tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_HIGH(ret), 31); +} + +void tcg_gen_ld16u_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset) +{ + tcg_gen_ld16u_i32(TCGV_LOW(ret), arg2, offset); + tcg_gen_movi_i32(TCGV_HIGH(ret), 0); +} + +void tcg_gen_ld16s_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset) +{ + tcg_gen_ld16s_i32(TCGV_LOW(ret), arg2, offset); + tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31); +} + +void tcg_gen_ld32u_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset) +{ + tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset); + tcg_gen_movi_i32(TCGV_HIGH(ret), 0); +} + +void tcg_gen_ld32s_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset) +{ + tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset); + tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31); +} + +void tcg_gen_ld_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset) +{ + /* Since arg2 and ret have different types, + they cannot be the same temporary */ +#ifdef HOST_WORDS_BIGENDIAN + tcg_gen_ld_i32(TCGV_HIGH(ret), arg2, offset); + tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset + 4); +#else + tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset); + tcg_gen_ld_i32(TCGV_HIGH(ret), arg2, offset + 4); +#endif +} + +void tcg_gen_st_i64(TCGv_i64 arg1, TCGv_ptr arg2, tcg_target_long offset) +{ +#ifdef HOST_WORDS_BIGENDIAN + tcg_gen_st_i32(TCGV_HIGH(arg1), arg2, offset); + tcg_gen_st_i32(TCGV_LOW(arg1), arg2, offset + 4); +#else + tcg_gen_st_i32(TCGV_LOW(arg1), arg2, offset); + tcg_gen_st_i32(TCGV_HIGH(arg1), arg2, offset + 4); +#endif +} + +void tcg_gen_and_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + tcg_gen_and_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2)); + tcg_gen_and_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2)); +} + +void tcg_gen_or_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + tcg_gen_or_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2)); + tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2)); +} + +void tcg_gen_xor_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + tcg_gen_xor_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2)); + tcg_gen_xor_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2)); +} + +void tcg_gen_shl_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + gen_helper_shl_i64(ret, arg1, arg2); +} + +void tcg_gen_shr_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + gen_helper_shr_i64(ret, arg1, arg2); +} + +void tcg_gen_sar_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + gen_helper_sar_i64(ret, arg1, arg2); +} + +void tcg_gen_mul_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + TCGv_i64 t0; + TCGv_i32 t1; + + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i32(); + + tcg_gen_mulu2_i32(TCGV_LOW(t0), TCGV_HIGH(t0), + TCGV_LOW(arg1), TCGV_LOW(arg2)); + + tcg_gen_mul_i32(t1, TCGV_LOW(arg1), TCGV_HIGH(arg2)); + tcg_gen_add_i32(TCGV_HIGH(t0), TCGV_HIGH(t0), t1); + tcg_gen_mul_i32(t1, TCGV_HIGH(arg1), TCGV_LOW(arg2)); + tcg_gen_add_i32(TCGV_HIGH(t0), TCGV_HIGH(t0), t1); + + tcg_gen_mov_i64(ret, t0); + tcg_temp_free_i64(t0); + tcg_temp_free_i32(t1); +} +#endif /* TCG_TARGET_REG_SIZE == 32 */ + +void tcg_gen_addi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2) +{ + /* some cases can be optimized here */ + if (arg2 == 0) { + tcg_gen_mov_i64(ret, arg1); + } else { + TCGv_i64 t0 = tcg_const_i64(arg2); + tcg_gen_add_i64(ret, arg1, t0); + tcg_temp_free_i64(t0); + } +} + +void tcg_gen_subfi_i64(TCGv_i64 ret, int64_t arg1, TCGv_i64 arg2) +{ + if (arg1 == 0 && TCG_TARGET_HAS_neg_i64) { + /* Don't recurse with tcg_gen_neg_i64. */ + tcg_gen_op2_i64(INDEX_op_neg_i64, ret, arg2); + } else { + TCGv_i64 t0 = tcg_const_i64(arg1); + tcg_gen_sub_i64(ret, t0, arg2); + tcg_temp_free_i64(t0); + } +} + +void tcg_gen_subi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2) +{ + /* some cases can be optimized here */ + if (arg2 == 0) { + tcg_gen_mov_i64(ret, arg1); + } else { + TCGv_i64 t0 = tcg_const_i64(arg2); + tcg_gen_sub_i64(ret, arg1, t0); + tcg_temp_free_i64(t0); + } +} + +void tcg_gen_andi_i64(TCGv_i64 ret, TCGv_i64 arg1, uint64_t arg2) +{ + TCGv_i64 t0; + + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_andi_i32(TCGV_LOW(ret), TCGV_LOW(arg1), arg2); + tcg_gen_andi_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32); + return; + } + + /* Some cases can be optimized here. */ + switch (arg2) { + case 0: + tcg_gen_movi_i64(ret, 0); + return; + case 0xffffffffffffffffull: + tcg_gen_mov_i64(ret, arg1); + return; + case 0xffull: + /* Don't recurse with tcg_gen_ext8u_i64. */ + if (TCG_TARGET_HAS_ext8u_i64) { + tcg_gen_op2_i64(INDEX_op_ext8u_i64, ret, arg1); + return; + } + break; + case 0xffffu: + if (TCG_TARGET_HAS_ext16u_i64) { + tcg_gen_op2_i64(INDEX_op_ext16u_i64, ret, arg1); + return; + } + break; + case 0xffffffffull: + if (TCG_TARGET_HAS_ext32u_i64) { + tcg_gen_op2_i64(INDEX_op_ext32u_i64, ret, arg1); + return; + } + break; + } + t0 = tcg_const_i64(arg2); + tcg_gen_and_i64(ret, arg1, t0); + tcg_temp_free_i64(t0); +} + +void tcg_gen_ori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_ori_i32(TCGV_LOW(ret), TCGV_LOW(arg1), arg2); + tcg_gen_ori_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32); + return; + } + /* Some cases can be optimized here. */ + if (arg2 == -1) { + tcg_gen_movi_i64(ret, -1); + } else if (arg2 == 0) { + tcg_gen_mov_i64(ret, arg1); + } else { + TCGv_i64 t0 = tcg_const_i64(arg2); + tcg_gen_or_i64(ret, arg1, t0); + tcg_temp_free_i64(t0); + } +} + +void tcg_gen_xori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_xori_i32(TCGV_LOW(ret), TCGV_LOW(arg1), arg2); + tcg_gen_xori_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32); + return; + } + /* Some cases can be optimized here. */ + if (arg2 == 0) { + tcg_gen_mov_i64(ret, arg1); + } else if (arg2 == -1 && TCG_TARGET_HAS_not_i64) { + /* Don't recurse with tcg_gen_not_i64. */ + tcg_gen_op2_i64(INDEX_op_not_i64, ret, arg1); + } else { + TCGv_i64 t0 = tcg_const_i64(arg2); + tcg_gen_xor_i64(ret, arg1, t0); + tcg_temp_free_i64(t0); + } +} + +static inline void tcg_gen_shifti_i64(TCGv_i64 ret, TCGv_i64 arg1, + unsigned c, bool right, bool arith) +{ + tcg_debug_assert(c < 64); + if (c == 0) { + tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg1)); + tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1)); + } else if (c >= 32) { + c -= 32; + if (right) { + if (arith) { + tcg_gen_sari_i32(TCGV_LOW(ret), TCGV_HIGH(arg1), c); + tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), 31); + } else { + tcg_gen_shri_i32(TCGV_LOW(ret), TCGV_HIGH(arg1), c); + tcg_gen_movi_i32(TCGV_HIGH(ret), 0); + } + } else { + tcg_gen_shli_i32(TCGV_HIGH(ret), TCGV_LOW(arg1), c); + tcg_gen_movi_i32(TCGV_LOW(ret), 0); + } + } else { + TCGv_i32 t0, t1; + + t0 = tcg_temp_new_i32(); + t1 = tcg_temp_new_i32(); + if (right) { + tcg_gen_shli_i32(t0, TCGV_HIGH(arg1), 32 - c); + if (arith) { + tcg_gen_sari_i32(t1, TCGV_HIGH(arg1), c); + } else { + tcg_gen_shri_i32(t1, TCGV_HIGH(arg1), c); + } + tcg_gen_shri_i32(TCGV_LOW(ret), TCGV_LOW(arg1), c); + tcg_gen_or_i32(TCGV_LOW(ret), TCGV_LOW(ret), t0); + tcg_gen_mov_i32(TCGV_HIGH(ret), t1); + } else { + tcg_gen_shri_i32(t0, TCGV_LOW(arg1), 32 - c); + /* Note: ret can be the same as arg1, so we use t1 */ + tcg_gen_shli_i32(t1, TCGV_LOW(arg1), c); + tcg_gen_shli_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), c); + tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(ret), t0); + tcg_gen_mov_i32(TCGV_LOW(ret), t1); + } + tcg_temp_free_i32(t0); + tcg_temp_free_i32(t1); + } +} + +void tcg_gen_shli_i64(TCGv_i64 ret, TCGv_i64 arg1, unsigned arg2) +{ + tcg_debug_assert(arg2 < 64); + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_shifti_i64(ret, arg1, arg2, 0, 0); + } else if (arg2 == 0) { + tcg_gen_mov_i64(ret, arg1); + } else { + TCGv_i64 t0 = tcg_const_i64(arg2); + tcg_gen_shl_i64(ret, arg1, t0); + tcg_temp_free_i64(t0); + } +} + +void tcg_gen_shri_i64(TCGv_i64 ret, TCGv_i64 arg1, unsigned arg2) +{ + tcg_debug_assert(arg2 < 64); + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_shifti_i64(ret, arg1, arg2, 1, 0); + } else if (arg2 == 0) { + tcg_gen_mov_i64(ret, arg1); + } else { + TCGv_i64 t0 = tcg_const_i64(arg2); + tcg_gen_shr_i64(ret, arg1, t0); + tcg_temp_free_i64(t0); + } +} + +void tcg_gen_sari_i64(TCGv_i64 ret, TCGv_i64 arg1, unsigned arg2) +{ + tcg_debug_assert(arg2 < 64); + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_shifti_i64(ret, arg1, arg2, 1, 1); + } else if (arg2 == 0) { + tcg_gen_mov_i64(ret, arg1); + } else { + TCGv_i64 t0 = tcg_const_i64(arg2); + tcg_gen_sar_i64(ret, arg1, t0); + tcg_temp_free_i64(t0); + } +} + +void tcg_gen_brcond_i64(TCGCond cond, TCGv_i64 arg1, TCGv_i64 arg2, TCGLabel *l) +{ + if (cond == TCG_COND_ALWAYS) { + tcg_gen_br(l); + } else if (cond != TCG_COND_NEVER) { + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_op6ii_i32(INDEX_op_brcond2_i32, TCGV_LOW(arg1), + TCGV_HIGH(arg1), TCGV_LOW(arg2), + TCGV_HIGH(arg2), cond, label_arg(l)); + } else { + tcg_gen_op4ii_i64(INDEX_op_brcond_i64, arg1, arg2, cond, + label_arg(l)); + } + } +} + +void tcg_gen_brcondi_i64(TCGCond cond, TCGv_i64 arg1, int64_t arg2, TCGLabel *l) +{ + if (cond == TCG_COND_ALWAYS) { + tcg_gen_br(l); + } else if (cond != TCG_COND_NEVER) { + TCGv_i64 t0 = tcg_const_i64(arg2); + tcg_gen_brcond_i64(cond, arg1, t0, l); + tcg_temp_free_i64(t0); + } +} + +void tcg_gen_setcond_i64(TCGCond cond, TCGv_i64 ret, + TCGv_i64 arg1, TCGv_i64 arg2) +{ + if (cond == TCG_COND_ALWAYS) { + tcg_gen_movi_i64(ret, 1); + } else if (cond == TCG_COND_NEVER) { + tcg_gen_movi_i64(ret, 0); + } else { + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_op6i_i32(INDEX_op_setcond2_i32, TCGV_LOW(ret), + TCGV_LOW(arg1), TCGV_HIGH(arg1), + TCGV_LOW(arg2), TCGV_HIGH(arg2), cond); + tcg_gen_movi_i32(TCGV_HIGH(ret), 0); + } else { + tcg_gen_op4i_i64(INDEX_op_setcond_i64, ret, arg1, arg2, cond); + } + } +} + +void tcg_gen_setcondi_i64(TCGCond cond, TCGv_i64 ret, + TCGv_i64 arg1, int64_t arg2) +{ + TCGv_i64 t0 = tcg_const_i64(arg2); + tcg_gen_setcond_i64(cond, ret, arg1, t0); + tcg_temp_free_i64(t0); +} + +void tcg_gen_muli_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2) +{ + TCGv_i64 t0 = tcg_const_i64(arg2); + tcg_gen_mul_i64(ret, arg1, t0); + tcg_temp_free_i64(t0); +} + +void tcg_gen_div_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + if (TCG_TARGET_HAS_div_i64) { + tcg_gen_op3_i64(INDEX_op_div_i64, ret, arg1, arg2); + } else if (TCG_TARGET_HAS_div2_i64) { + TCGv_i64 t0 = tcg_temp_new_i64(); + tcg_gen_sari_i64(t0, arg1, 63); + tcg_gen_op5_i64(INDEX_op_div2_i64, ret, t0, arg1, t0, arg2); + tcg_temp_free_i64(t0); + } else { + gen_helper_div_i64(ret, arg1, arg2); + } +} + +void tcg_gen_rem_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + if (TCG_TARGET_HAS_rem_i64) { + tcg_gen_op3_i64(INDEX_op_rem_i64, ret, arg1, arg2); + } else if (TCG_TARGET_HAS_div_i64) { + TCGv_i64 t0 = tcg_temp_new_i64(); + tcg_gen_op3_i64(INDEX_op_div_i64, t0, arg1, arg2); + tcg_gen_mul_i64(t0, t0, arg2); + tcg_gen_sub_i64(ret, arg1, t0); + tcg_temp_free_i64(t0); + } else if (TCG_TARGET_HAS_div2_i64) { + TCGv_i64 t0 = tcg_temp_new_i64(); + tcg_gen_sari_i64(t0, arg1, 63); + tcg_gen_op5_i64(INDEX_op_div2_i64, t0, ret, arg1, t0, arg2); + tcg_temp_free_i64(t0); + } else { + gen_helper_rem_i64(ret, arg1, arg2); + } +} + +void tcg_gen_divu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + if (TCG_TARGET_HAS_div_i64) { + tcg_gen_op3_i64(INDEX_op_divu_i64, ret, arg1, arg2); + } else if (TCG_TARGET_HAS_div2_i64) { + TCGv_i64 t0 = tcg_temp_new_i64(); + tcg_gen_movi_i64(t0, 0); + tcg_gen_op5_i64(INDEX_op_divu2_i64, ret, t0, arg1, t0, arg2); + tcg_temp_free_i64(t0); + } else { + gen_helper_divu_i64(ret, arg1, arg2); + } +} + +void tcg_gen_remu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + if (TCG_TARGET_HAS_rem_i64) { + tcg_gen_op3_i64(INDEX_op_remu_i64, ret, arg1, arg2); + } else if (TCG_TARGET_HAS_div_i64) { + TCGv_i64 t0 = tcg_temp_new_i64(); + tcg_gen_op3_i64(INDEX_op_divu_i64, t0, arg1, arg2); + tcg_gen_mul_i64(t0, t0, arg2); + tcg_gen_sub_i64(ret, arg1, t0); + tcg_temp_free_i64(t0); + } else if (TCG_TARGET_HAS_div2_i64) { + TCGv_i64 t0 = tcg_temp_new_i64(); + tcg_gen_movi_i64(t0, 0); + tcg_gen_op5_i64(INDEX_op_divu2_i64, t0, ret, arg1, t0, arg2); + tcg_temp_free_i64(t0); + } else { + gen_helper_remu_i64(ret, arg1, arg2); + } +} + +void tcg_gen_ext8s_i64(TCGv_i64 ret, TCGv_i64 arg) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_ext8s_i32(TCGV_LOW(ret), TCGV_LOW(arg)); + tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31); + } else if (TCG_TARGET_HAS_ext8s_i64) { + tcg_gen_op2_i64(INDEX_op_ext8s_i64, ret, arg); + } else { + tcg_gen_shli_i64(ret, arg, 56); + tcg_gen_sari_i64(ret, ret, 56); + } +} + +void tcg_gen_ext16s_i64(TCGv_i64 ret, TCGv_i64 arg) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_ext16s_i32(TCGV_LOW(ret), TCGV_LOW(arg)); + tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31); + } else if (TCG_TARGET_HAS_ext16s_i64) { + tcg_gen_op2_i64(INDEX_op_ext16s_i64, ret, arg); + } else { + tcg_gen_shli_i64(ret, arg, 48); + tcg_gen_sari_i64(ret, ret, 48); + } +} + +void tcg_gen_ext32s_i64(TCGv_i64 ret, TCGv_i64 arg) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg)); + tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31); + } else if (TCG_TARGET_HAS_ext32s_i64) { + tcg_gen_op2_i64(INDEX_op_ext32s_i64, ret, arg); + } else { + tcg_gen_shli_i64(ret, arg, 32); + tcg_gen_sari_i64(ret, ret, 32); + } +} + +void tcg_gen_ext8u_i64(TCGv_i64 ret, TCGv_i64 arg) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_ext8u_i32(TCGV_LOW(ret), TCGV_LOW(arg)); + tcg_gen_movi_i32(TCGV_HIGH(ret), 0); + } else if (TCG_TARGET_HAS_ext8u_i64) { + tcg_gen_op2_i64(INDEX_op_ext8u_i64, ret, arg); + } else { + tcg_gen_andi_i64(ret, arg, 0xffu); + } +} + +void tcg_gen_ext16u_i64(TCGv_i64 ret, TCGv_i64 arg) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_ext16u_i32(TCGV_LOW(ret), TCGV_LOW(arg)); + tcg_gen_movi_i32(TCGV_HIGH(ret), 0); + } else if (TCG_TARGET_HAS_ext16u_i64) { + tcg_gen_op2_i64(INDEX_op_ext16u_i64, ret, arg); + } else { + tcg_gen_andi_i64(ret, arg, 0xffffu); + } +} + +void tcg_gen_ext32u_i64(TCGv_i64 ret, TCGv_i64 arg) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg)); + tcg_gen_movi_i32(TCGV_HIGH(ret), 0); + } else if (TCG_TARGET_HAS_ext32u_i64) { + tcg_gen_op2_i64(INDEX_op_ext32u_i64, ret, arg); + } else { + tcg_gen_andi_i64(ret, arg, 0xffffffffu); + } +} + +/* Note: we assume the six high bytes are set to zero */ +void tcg_gen_bswap16_i64(TCGv_i64 ret, TCGv_i64 arg) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_bswap16_i32(TCGV_LOW(ret), TCGV_LOW(arg)); + tcg_gen_movi_i32(TCGV_HIGH(ret), 0); + } else if (TCG_TARGET_HAS_bswap16_i64) { + tcg_gen_op2_i64(INDEX_op_bswap16_i64, ret, arg); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + + tcg_gen_ext8u_i64(t0, arg); + tcg_gen_shli_i64(t0, t0, 8); + tcg_gen_shri_i64(ret, arg, 8); + tcg_gen_or_i64(ret, ret, t0); + tcg_temp_free_i64(t0); + } +} + +/* Note: we assume the four high bytes are set to zero */ +void tcg_gen_bswap32_i64(TCGv_i64 ret, TCGv_i64 arg) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_bswap32_i32(TCGV_LOW(ret), TCGV_LOW(arg)); + tcg_gen_movi_i32(TCGV_HIGH(ret), 0); + } else if (TCG_TARGET_HAS_bswap32_i64) { + tcg_gen_op2_i64(INDEX_op_bswap32_i64, ret, arg); + } else { + TCGv_i64 t0, t1; + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); + + tcg_gen_shli_i64(t0, arg, 24); + tcg_gen_ext32u_i64(t0, t0); + + tcg_gen_andi_i64(t1, arg, 0x0000ff00); + tcg_gen_shli_i64(t1, t1, 8); + tcg_gen_or_i64(t0, t0, t1); + + tcg_gen_shri_i64(t1, arg, 8); + tcg_gen_andi_i64(t1, t1, 0x0000ff00); + tcg_gen_or_i64(t0, t0, t1); + + tcg_gen_shri_i64(t1, arg, 24); + tcg_gen_or_i64(ret, t0, t1); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + } +} + +void tcg_gen_bswap64_i64(TCGv_i64 ret, TCGv_i64 arg) +{ + if (TCG_TARGET_REG_BITS == 32) { + TCGv_i32 t0, t1; + t0 = tcg_temp_new_i32(); + t1 = tcg_temp_new_i32(); + + tcg_gen_bswap32_i32(t0, TCGV_LOW(arg)); + tcg_gen_bswap32_i32(t1, TCGV_HIGH(arg)); + tcg_gen_mov_i32(TCGV_LOW(ret), t1); + tcg_gen_mov_i32(TCGV_HIGH(ret), t0); + tcg_temp_free_i32(t0); + tcg_temp_free_i32(t1); + } else if (TCG_TARGET_HAS_bswap64_i64) { + tcg_gen_op2_i64(INDEX_op_bswap64_i64, ret, arg); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + + tcg_gen_shli_i64(t0, arg, 56); + + tcg_gen_andi_i64(t1, arg, 0x0000ff00); + tcg_gen_shli_i64(t1, t1, 40); + tcg_gen_or_i64(t0, t0, t1); + + tcg_gen_andi_i64(t1, arg, 0x00ff0000); + tcg_gen_shli_i64(t1, t1, 24); + tcg_gen_or_i64(t0, t0, t1); + + tcg_gen_andi_i64(t1, arg, 0xff000000); + tcg_gen_shli_i64(t1, t1, 8); + tcg_gen_or_i64(t0, t0, t1); + + tcg_gen_shri_i64(t1, arg, 8); + tcg_gen_andi_i64(t1, t1, 0xff000000); + tcg_gen_or_i64(t0, t0, t1); + + tcg_gen_shri_i64(t1, arg, 24); + tcg_gen_andi_i64(t1, t1, 0x00ff0000); + tcg_gen_or_i64(t0, t0, t1); + + tcg_gen_shri_i64(t1, arg, 40); + tcg_gen_andi_i64(t1, t1, 0x0000ff00); + tcg_gen_or_i64(t0, t0, t1); + + tcg_gen_shri_i64(t1, arg, 56); + tcg_gen_or_i64(ret, t0, t1); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + } +} + +void tcg_gen_not_i64(TCGv_i64 ret, TCGv_i64 arg) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_not_i32(TCGV_LOW(ret), TCGV_LOW(arg)); + tcg_gen_not_i32(TCGV_HIGH(ret), TCGV_HIGH(arg)); + } else if (TCG_TARGET_HAS_not_i64) { + tcg_gen_op2_i64(INDEX_op_not_i64, ret, arg); + } else { + tcg_gen_xori_i64(ret, arg, -1); + } +} + +void tcg_gen_andc_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_andc_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2)); + tcg_gen_andc_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2)); + } else if (TCG_TARGET_HAS_andc_i64) { + tcg_gen_op3_i64(INDEX_op_andc_i64, ret, arg1, arg2); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + tcg_gen_not_i64(t0, arg2); + tcg_gen_and_i64(ret, arg1, t0); + tcg_temp_free_i64(t0); + } +} + +void tcg_gen_eqv_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_eqv_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2)); + tcg_gen_eqv_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2)); + } else if (TCG_TARGET_HAS_eqv_i64) { + tcg_gen_op3_i64(INDEX_op_eqv_i64, ret, arg1, arg2); + } else { + tcg_gen_xor_i64(ret, arg1, arg2); + tcg_gen_not_i64(ret, ret); + } +} + +void tcg_gen_nand_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_nand_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2)); + tcg_gen_nand_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2)); + } else if (TCG_TARGET_HAS_nand_i64) { + tcg_gen_op3_i64(INDEX_op_nand_i64, ret, arg1, arg2); + } else { + tcg_gen_and_i64(ret, arg1, arg2); + tcg_gen_not_i64(ret, ret); + } +} + +void tcg_gen_nor_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_nor_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2)); + tcg_gen_nor_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2)); + } else if (TCG_TARGET_HAS_nor_i64) { + tcg_gen_op3_i64(INDEX_op_nor_i64, ret, arg1, arg2); + } else { + tcg_gen_or_i64(ret, arg1, arg2); + tcg_gen_not_i64(ret, ret); + } +} + +void tcg_gen_orc_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_orc_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2)); + tcg_gen_orc_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2)); + } else if (TCG_TARGET_HAS_orc_i64) { + tcg_gen_op3_i64(INDEX_op_orc_i64, ret, arg1, arg2); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + tcg_gen_not_i64(t0, arg2); + tcg_gen_or_i64(ret, arg1, t0); + tcg_temp_free_i64(t0); + } +} + +void tcg_gen_rotl_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + if (TCG_TARGET_HAS_rot_i64) { + tcg_gen_op3_i64(INDEX_op_rotl_i64, ret, arg1, arg2); + } else { + TCGv_i64 t0, t1; + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); + tcg_gen_shl_i64(t0, arg1, arg2); + tcg_gen_subfi_i64(t1, 64, arg2); + tcg_gen_shr_i64(t1, arg1, t1); + tcg_gen_or_i64(ret, t0, t1); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + } +} + +void tcg_gen_rotli_i64(TCGv_i64 ret, TCGv_i64 arg1, unsigned arg2) +{ + tcg_debug_assert(arg2 < 64); + /* some cases can be optimized here */ + if (arg2 == 0) { + tcg_gen_mov_i64(ret, arg1); + } else if (TCG_TARGET_HAS_rot_i64) { + TCGv_i64 t0 = tcg_const_i64(arg2); + tcg_gen_rotl_i64(ret, arg1, t0); + tcg_temp_free_i64(t0); + } else { + TCGv_i64 t0, t1; + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); + tcg_gen_shli_i64(t0, arg1, arg2); + tcg_gen_shri_i64(t1, arg1, 64 - arg2); + tcg_gen_or_i64(ret, t0, t1); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + } +} + +void tcg_gen_rotr_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + if (TCG_TARGET_HAS_rot_i64) { + tcg_gen_op3_i64(INDEX_op_rotr_i64, ret, arg1, arg2); + } else { + TCGv_i64 t0, t1; + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); + tcg_gen_shr_i64(t0, arg1, arg2); + tcg_gen_subfi_i64(t1, 64, arg2); + tcg_gen_shl_i64(t1, arg1, t1); + tcg_gen_or_i64(ret, t0, t1); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + } +} + +void tcg_gen_rotri_i64(TCGv_i64 ret, TCGv_i64 arg1, unsigned arg2) +{ + tcg_debug_assert(arg2 < 64); + /* some cases can be optimized here */ + if (arg2 == 0) { + tcg_gen_mov_i64(ret, arg1); + } else { + tcg_gen_rotli_i64(ret, arg1, 64 - arg2); + } +} + +void tcg_gen_deposit_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2, + unsigned int ofs, unsigned int len) +{ + uint64_t mask; + TCGv_i64 t1; + + tcg_debug_assert(ofs < 64); + tcg_debug_assert(len <= 64); + tcg_debug_assert(ofs + len <= 64); + + if (ofs == 0 && len == 64) { + tcg_gen_mov_i64(ret, arg2); + return; + } + if (TCG_TARGET_HAS_deposit_i64 && TCG_TARGET_deposit_i64_valid(ofs, len)) { + tcg_gen_op5ii_i64(INDEX_op_deposit_i64, ret, arg1, arg2, ofs, len); + return; + } + + if (TCG_TARGET_REG_BITS == 32) { + if (ofs >= 32) { + tcg_gen_deposit_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), + TCGV_LOW(arg2), ofs - 32, len); + tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg1)); + return; + } + if (ofs + len <= 32) { + tcg_gen_deposit_i32(TCGV_LOW(ret), TCGV_LOW(arg1), + TCGV_LOW(arg2), ofs, len); + tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1)); + return; + } + } + + mask = (1ull << len) - 1; + t1 = tcg_temp_new_i64(); + + if (ofs + len < 64) { + tcg_gen_andi_i64(t1, arg2, mask); + tcg_gen_shli_i64(t1, t1, ofs); + } else { + tcg_gen_shli_i64(t1, arg2, ofs); + } + tcg_gen_andi_i64(ret, arg1, ~(mask << ofs)); + tcg_gen_or_i64(ret, ret, t1); + + tcg_temp_free_i64(t1); +} + +void tcg_gen_movcond_i64(TCGCond cond, TCGv_i64 ret, TCGv_i64 c1, + TCGv_i64 c2, TCGv_i64 v1, TCGv_i64 v2) +{ + if (cond == TCG_COND_ALWAYS) { + tcg_gen_mov_i64(ret, v1); + } else if (cond == TCG_COND_NEVER) { + tcg_gen_mov_i64(ret, v2); + } else if (TCG_TARGET_REG_BITS == 32) { + TCGv_i32 t0 = tcg_temp_new_i32(); + TCGv_i32 t1 = tcg_temp_new_i32(); + tcg_gen_op6i_i32(INDEX_op_setcond2_i32, t0, + TCGV_LOW(c1), TCGV_HIGH(c1), + TCGV_LOW(c2), TCGV_HIGH(c2), cond); + + if (TCG_TARGET_HAS_movcond_i32) { + tcg_gen_movi_i32(t1, 0); + tcg_gen_movcond_i32(TCG_COND_NE, TCGV_LOW(ret), t0, t1, + TCGV_LOW(v1), TCGV_LOW(v2)); + tcg_gen_movcond_i32(TCG_COND_NE, TCGV_HIGH(ret), t0, t1, + TCGV_HIGH(v1), TCGV_HIGH(v2)); + } else { + tcg_gen_neg_i32(t0, t0); + + tcg_gen_and_i32(t1, TCGV_LOW(v1), t0); + tcg_gen_andc_i32(TCGV_LOW(ret), TCGV_LOW(v2), t0); + tcg_gen_or_i32(TCGV_LOW(ret), TCGV_LOW(ret), t1); + + tcg_gen_and_i32(t1, TCGV_HIGH(v1), t0); + tcg_gen_andc_i32(TCGV_HIGH(ret), TCGV_HIGH(v2), t0); + tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(ret), t1); + } + tcg_temp_free_i32(t0); + tcg_temp_free_i32(t1); + } else if (TCG_TARGET_HAS_movcond_i64) { + tcg_gen_op6i_i64(INDEX_op_movcond_i64, ret, c1, c2, v1, v2, cond); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + tcg_gen_setcond_i64(cond, t0, c1, c2); + tcg_gen_neg_i64(t0, t0); + tcg_gen_and_i64(t1, v1, t0); + tcg_gen_andc_i64(ret, v2, t0); + tcg_gen_or_i64(ret, ret, t1); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + } +} + +void tcg_gen_add2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 al, + TCGv_i64 ah, TCGv_i64 bl, TCGv_i64 bh) +{ + if (TCG_TARGET_HAS_add2_i64) { + tcg_gen_op6_i64(INDEX_op_add2_i64, rl, rh, al, ah, bl, bh); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + tcg_gen_add_i64(t0, al, bl); + tcg_gen_setcond_i64(TCG_COND_LTU, t1, t0, al); + tcg_gen_add_i64(rh, ah, bh); + tcg_gen_add_i64(rh, rh, t1); + tcg_gen_mov_i64(rl, t0); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + } +} + +void tcg_gen_sub2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 al, + TCGv_i64 ah, TCGv_i64 bl, TCGv_i64 bh) +{ + if (TCG_TARGET_HAS_sub2_i64) { + tcg_gen_op6_i64(INDEX_op_sub2_i64, rl, rh, al, ah, bl, bh); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + tcg_gen_sub_i64(t0, al, bl); + tcg_gen_setcond_i64(TCG_COND_LTU, t1, al, bl); + tcg_gen_sub_i64(rh, ah, bh); + tcg_gen_sub_i64(rh, rh, t1); + tcg_gen_mov_i64(rl, t0); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + } +} + +void tcg_gen_mulu2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 arg1, TCGv_i64 arg2) +{ + if (TCG_TARGET_HAS_mulu2_i64) { + tcg_gen_op4_i64(INDEX_op_mulu2_i64, rl, rh, arg1, arg2); + } else if (TCG_TARGET_HAS_muluh_i64) { + TCGv_i64 t = tcg_temp_new_i64(); + tcg_gen_op3_i64(INDEX_op_mul_i64, t, arg1, arg2); + tcg_gen_op3_i64(INDEX_op_muluh_i64, rh, arg1, arg2); + tcg_gen_mov_i64(rl, t); + tcg_temp_free_i64(t); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + tcg_gen_mul_i64(t0, arg1, arg2); + gen_helper_muluh_i64(rh, arg1, arg2); + tcg_gen_mov_i64(rl, t0); + tcg_temp_free_i64(t0); + } +} + +void tcg_gen_muls2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 arg1, TCGv_i64 arg2) +{ + if (TCG_TARGET_HAS_muls2_i64) { + tcg_gen_op4_i64(INDEX_op_muls2_i64, rl, rh, arg1, arg2); + } else if (TCG_TARGET_HAS_mulsh_i64) { + TCGv_i64 t = tcg_temp_new_i64(); + tcg_gen_op3_i64(INDEX_op_mul_i64, t, arg1, arg2); + tcg_gen_op3_i64(INDEX_op_mulsh_i64, rh, arg1, arg2); + tcg_gen_mov_i64(rl, t); + tcg_temp_free_i64(t); + } else if (TCG_TARGET_HAS_mulu2_i64 || TCG_TARGET_HAS_muluh_i64) { + TCGv_i64 t0 = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + TCGv_i64 t2 = tcg_temp_new_i64(); + TCGv_i64 t3 = tcg_temp_new_i64(); + tcg_gen_mulu2_i64(t0, t1, arg1, arg2); + /* Adjust for negative inputs. */ + tcg_gen_sari_i64(t2, arg1, 63); + tcg_gen_sari_i64(t3, arg2, 63); + tcg_gen_and_i64(t2, t2, arg2); + tcg_gen_and_i64(t3, t3, arg1); + tcg_gen_sub_i64(rh, t1, t2); + tcg_gen_sub_i64(rh, rh, t3); + tcg_gen_mov_i64(rl, t0); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + tcg_temp_free_i64(t2); + tcg_temp_free_i64(t3); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + tcg_gen_mul_i64(t0, arg1, arg2); + gen_helper_mulsh_i64(rh, arg1, arg2); + tcg_gen_mov_i64(rl, t0); + tcg_temp_free_i64(t0); + } +} + +/* Size changing operations. */ + +void tcg_gen_trunc_shr_i64_i32(TCGv_i32 ret, TCGv_i64 arg, unsigned count) +{ + tcg_debug_assert(count < 64); + if (TCG_TARGET_REG_BITS == 32) { + if (count >= 32) { + tcg_gen_shri_i32(ret, TCGV_HIGH(arg), count - 32); + } else if (count == 0) { + tcg_gen_mov_i32(ret, TCGV_LOW(arg)); + } else { + TCGv_i64 t = tcg_temp_new_i64(); + tcg_gen_shri_i64(t, arg, count); + tcg_gen_mov_i32(ret, TCGV_LOW(t)); + tcg_temp_free_i64(t); + } + } else if (TCG_TARGET_HAS_trunc_shr_i32) { + tcg_gen_op3i_i32(INDEX_op_trunc_shr_i32, ret, + MAKE_TCGV_I32(GET_TCGV_I64(arg)), count); + } else if (count == 0) { + tcg_gen_mov_i32(ret, MAKE_TCGV_I32(GET_TCGV_I64(arg))); + } else { + TCGv_i64 t = tcg_temp_new_i64(); + tcg_gen_shri_i64(t, arg, count); + tcg_gen_mov_i32(ret, MAKE_TCGV_I32(GET_TCGV_I64(t))); + tcg_temp_free_i64(t); + } +} + +void tcg_gen_extu_i32_i64(TCGv_i64 ret, TCGv_i32 arg) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_mov_i32(TCGV_LOW(ret), arg); + tcg_gen_movi_i32(TCGV_HIGH(ret), 0); + } else { + /* Note: we assume the target supports move between + 32 and 64 bit registers. */ + tcg_gen_ext32u_i64(ret, MAKE_TCGV_I64(GET_TCGV_I32(arg))); + } +} + +void tcg_gen_ext_i32_i64(TCGv_i64 ret, TCGv_i32 arg) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_mov_i32(TCGV_LOW(ret), arg); + tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31); + } else { + /* Note: we assume the target supports move between + 32 and 64 bit registers. */ + tcg_gen_ext32s_i64(ret, MAKE_TCGV_I64(GET_TCGV_I32(arg))); + } +} + +void tcg_gen_concat_i32_i64(TCGv_i64 dest, TCGv_i32 low, TCGv_i32 high) +{ + TCGv_i64 tmp; + + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_mov_i32(TCGV_LOW(dest), low); + tcg_gen_mov_i32(TCGV_HIGH(dest), high); + return; + } + + tmp = tcg_temp_new_i64(); + /* These extensions are only needed for type correctness. + We may be able to do better given target specific information. */ + tcg_gen_extu_i32_i64(tmp, high); + tcg_gen_extu_i32_i64(dest, low); + /* If deposit is available, use it. Otherwise use the extra + knowledge that we have of the zero-extensions above. */ + if (TCG_TARGET_HAS_deposit_i64 && TCG_TARGET_deposit_i64_valid(32, 32)) { + tcg_gen_deposit_i64(dest, dest, tmp, 32, 32); + } else { + tcg_gen_shli_i64(tmp, tmp, 32); + tcg_gen_or_i64(dest, dest, tmp); + } + tcg_temp_free_i64(tmp); +} + +void tcg_gen_extr_i64_i32(TCGv_i32 lo, TCGv_i32 hi, TCGv_i64 arg) +{ + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_mov_i32(lo, TCGV_LOW(arg)); + tcg_gen_mov_i32(hi, TCGV_HIGH(arg)); + } else { + tcg_gen_trunc_shr_i64_i32(lo, arg, 0); + tcg_gen_trunc_shr_i64_i32(hi, arg, 32); + } +} + +void tcg_gen_extr32_i64(TCGv_i64 lo, TCGv_i64 hi, TCGv_i64 arg) +{ + tcg_gen_ext32u_i64(lo, arg); + tcg_gen_shri_i64(hi, arg, 32); +} + +/* QEMU specific operations. */ + +void tcg_gen_goto_tb(unsigned idx) +{ + /* We only support two chained exits. */ + tcg_debug_assert(idx <= 1); +#ifdef CONFIG_DEBUG_TCG + /* Verify that we havn't seen this numbered exit before. */ + tcg_debug_assert((tcg_ctx.goto_tb_issue_mask & (1 << idx)) == 0); + tcg_ctx.goto_tb_issue_mask |= 1 << idx; +#endif + tcg_gen_op1i(INDEX_op_goto_tb, idx); +} + +static inline TCGMemOp tcg_canonicalize_memop(TCGMemOp op, bool is64, bool st) +{ + switch (op & MO_SIZE) { + case MO_8: + op &= ~MO_BSWAP; + break; + case MO_16: + break; + case MO_32: + if (!is64) { + op &= ~MO_SIGN; + } + break; + case MO_64: + if (!is64) { + tcg_abort(); + } + break; + } + if (st) { + op &= ~MO_SIGN; + } + return op; +} + +static void gen_ldst_i32(TCGOpcode opc, TCGv_i32 val, TCGv addr, + TCGMemOp memop, TCGArg idx) +{ + TCGMemOpIdx oi = make_memop_idx(memop, idx); +#if TARGET_LONG_BITS == 32 + tcg_gen_op3i_i32(opc, val, addr, oi); +#else + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_op4i_i32(opc, val, TCGV_LOW(addr), TCGV_HIGH(addr), oi); + } else { + tcg_gen_op3(&tcg_ctx, opc, GET_TCGV_I32(val), GET_TCGV_I64(addr), oi); + } +#endif +} + +static void gen_ldst_i64(TCGOpcode opc, TCGv_i64 val, TCGv addr, + TCGMemOp memop, TCGArg idx) +{ + TCGMemOpIdx oi = make_memop_idx(memop, idx); +#if TARGET_LONG_BITS == 32 + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_op4i_i32(opc, TCGV_LOW(val), TCGV_HIGH(val), addr, oi); + } else { + tcg_gen_op3(&tcg_ctx, opc, GET_TCGV_I64(val), GET_TCGV_I32(addr), oi); + } +#else + if (TCG_TARGET_REG_BITS == 32) { + tcg_gen_op5i_i32(opc, TCGV_LOW(val), TCGV_HIGH(val), + TCGV_LOW(addr), TCGV_HIGH(addr), oi); + } else { + tcg_gen_op3i_i64(opc, val, addr, oi); + } +#endif +} + +void tcg_gen_qemu_ld_i32(TCGv_i32 val, TCGv addr, TCGArg idx, TCGMemOp memop) +{ + memop = tcg_canonicalize_memop(memop, 0, 0); + gen_ldst_i32(INDEX_op_qemu_ld_i32, val, addr, memop, idx); +} + +void tcg_gen_qemu_st_i32(TCGv_i32 val, TCGv addr, TCGArg idx, TCGMemOp memop) +{ + memop = tcg_canonicalize_memop(memop, 0, 1); + gen_ldst_i32(INDEX_op_qemu_st_i32, val, addr, memop, idx); +} + +void tcg_gen_qemu_ld_i64(TCGv_i64 val, TCGv addr, TCGArg idx, TCGMemOp memop) +{ + if (TCG_TARGET_REG_BITS == 32 && (memop & MO_SIZE) < MO_64) { + tcg_gen_qemu_ld_i32(TCGV_LOW(val), addr, idx, memop); + if (memop & MO_SIGN) { + tcg_gen_sari_i32(TCGV_HIGH(val), TCGV_LOW(val), 31); + } else { + tcg_gen_movi_i32(TCGV_HIGH(val), 0); + } + return; + } + + memop = tcg_canonicalize_memop(memop, 1, 0); + gen_ldst_i64(INDEX_op_qemu_ld_i64, val, addr, memop, idx); +} + +void tcg_gen_qemu_st_i64(TCGv_i64 val, TCGv addr, TCGArg idx, TCGMemOp memop) +{ + if (TCG_TARGET_REG_BITS == 32 && (memop & MO_SIZE) < MO_64) { + tcg_gen_qemu_st_i32(TCGV_LOW(val), addr, idx, memop); + return; + } + + memop = tcg_canonicalize_memop(memop, 1, 1); + gen_ldst_i64(INDEX_op_qemu_st_i64, val, addr, memop, idx); +} |