| /* |
| * 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 "qemu/osdep.h" |
| #include "cpu.h" |
| #include "exec/exec-all.h" |
| #include "tcg/tcg.h" |
| #include "tcg/tcg-op.h" |
| #include "tcg/tcg-mo.h" |
| #include "trace-tcg.h" |
| #include "trace/mem.h" |
| #include "exec/plugin-gen.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 |
| |
| void tcg_gen_op1(TCGOpcode opc, TCGArg a1) |
| { |
| TCGOp *op = tcg_emit_op(opc); |
| op->args[0] = a1; |
| } |
| |
| void tcg_gen_op2(TCGOpcode opc, TCGArg a1, TCGArg a2) |
| { |
| TCGOp *op = tcg_emit_op(opc); |
| op->args[0] = a1; |
| op->args[1] = a2; |
| } |
| |
| void tcg_gen_op3(TCGOpcode opc, TCGArg a1, TCGArg a2, TCGArg a3) |
| { |
| TCGOp *op = tcg_emit_op(opc); |
| op->args[0] = a1; |
| op->args[1] = a2; |
| op->args[2] = a3; |
| } |
| |
| void tcg_gen_op4(TCGOpcode opc, TCGArg a1, TCGArg a2, TCGArg a3, TCGArg a4) |
| { |
| TCGOp *op = tcg_emit_op(opc); |
| op->args[0] = a1; |
| op->args[1] = a2; |
| op->args[2] = a3; |
| op->args[3] = a4; |
| } |
| |
| void tcg_gen_op5(TCGOpcode opc, TCGArg a1, TCGArg a2, TCGArg a3, |
| TCGArg a4, TCGArg a5) |
| { |
| TCGOp *op = tcg_emit_op(opc); |
| op->args[0] = a1; |
| op->args[1] = a2; |
| op->args[2] = a3; |
| op->args[3] = a4; |
| op->args[4] = a5; |
| } |
| |
| void tcg_gen_op6(TCGOpcode opc, TCGArg a1, TCGArg a2, TCGArg a3, |
| TCGArg a4, TCGArg a5, TCGArg a6) |
| { |
| TCGOp *op = tcg_emit_op(opc); |
| op->args[0] = a1; |
| op->args[1] = a2; |
| op->args[2] = a3; |
| op->args[3] = a4; |
| op->args[4] = a5; |
| op->args[5] = a6; |
| } |
| |
| void tcg_gen_mb(TCGBar mb_type) |
| { |
| if (tcg_ctx->tb_cflags & CF_PARALLEL) { |
| tcg_gen_op1(INDEX_op_mb, mb_type); |
| } |
| } |
| |
| /* 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, int32_t arg2) |
| { |
| TCGv_i32 t0; |
| /* Some cases can be optimized here. */ |
| switch (arg2) { |
| case 0: |
| tcg_gen_movi_i32(ret, 0); |
| return; |
| case -1: |
| tcg_gen_mov_i32(ret, arg1); |
| return; |
| case 0xff: |
| /* 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 0xffff: |
| 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, int32_t arg2) |
| { |
| tcg_debug_assert(arg2 >= 0 && 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, int32_t arg2) |
| { |
| tcg_debug_assert(arg2 >= 0 && 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, int32_t arg2) |
| { |
| tcg_debug_assert(arg2 >= 0 && 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) { |
| l->refs++; |
| 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) |
| { |
| if (arg2 == 0) { |
| tcg_gen_movi_i32(ret, 0); |
| } else if (is_power_of_2(arg2)) { |
| tcg_gen_shli_i32(ret, arg1, ctz32(arg2)); |
| } else { |
| 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_clz_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) |
| { |
| if (TCG_TARGET_HAS_clz_i32) { |
| tcg_gen_op3_i32(INDEX_op_clz_i32, ret, arg1, arg2); |
| } else if (TCG_TARGET_HAS_clz_i64) { |
| TCGv_i64 t1 = tcg_temp_new_i64(); |
| TCGv_i64 t2 = tcg_temp_new_i64(); |
| tcg_gen_extu_i32_i64(t1, arg1); |
| tcg_gen_extu_i32_i64(t2, arg2); |
| tcg_gen_addi_i64(t2, t2, 32); |
| tcg_gen_clz_i64(t1, t1, t2); |
| tcg_gen_extrl_i64_i32(ret, t1); |
| tcg_temp_free_i64(t1); |
| tcg_temp_free_i64(t2); |
| tcg_gen_subi_i32(ret, ret, 32); |
| } else { |
| gen_helper_clz_i32(ret, arg1, arg2); |
| } |
| } |
| |
| void tcg_gen_clzi_i32(TCGv_i32 ret, TCGv_i32 arg1, uint32_t arg2) |
| { |
| TCGv_i32 t = tcg_const_i32(arg2); |
| tcg_gen_clz_i32(ret, arg1, t); |
| tcg_temp_free_i32(t); |
| } |
| |
| void tcg_gen_ctz_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) |
| { |
| if (TCG_TARGET_HAS_ctz_i32) { |
| tcg_gen_op3_i32(INDEX_op_ctz_i32, ret, arg1, arg2); |
| } else if (TCG_TARGET_HAS_ctz_i64) { |
| TCGv_i64 t1 = tcg_temp_new_i64(); |
| TCGv_i64 t2 = tcg_temp_new_i64(); |
| tcg_gen_extu_i32_i64(t1, arg1); |
| tcg_gen_extu_i32_i64(t2, arg2); |
| tcg_gen_ctz_i64(t1, t1, t2); |
| tcg_gen_extrl_i64_i32(ret, t1); |
| tcg_temp_free_i64(t1); |
| tcg_temp_free_i64(t2); |
| } else if (TCG_TARGET_HAS_ctpop_i32 |
| || TCG_TARGET_HAS_ctpop_i64 |
| || TCG_TARGET_HAS_clz_i32 |
| || TCG_TARGET_HAS_clz_i64) { |
| TCGv_i32 z, t = tcg_temp_new_i32(); |
| |
| if (TCG_TARGET_HAS_ctpop_i32 || TCG_TARGET_HAS_ctpop_i64) { |
| tcg_gen_subi_i32(t, arg1, 1); |
| tcg_gen_andc_i32(t, t, arg1); |
| tcg_gen_ctpop_i32(t, t); |
| } else { |
| /* Since all non-x86 hosts have clz(0) == 32, don't fight it. */ |
| tcg_gen_neg_i32(t, arg1); |
| tcg_gen_and_i32(t, t, arg1); |
| tcg_gen_clzi_i32(t, t, 32); |
| tcg_gen_xori_i32(t, t, 31); |
| } |
| z = tcg_const_i32(0); |
| tcg_gen_movcond_i32(TCG_COND_EQ, ret, arg1, z, arg2, t); |
| tcg_temp_free_i32(t); |
| tcg_temp_free_i32(z); |
| } else { |
| gen_helper_ctz_i32(ret, arg1, arg2); |
| } |
| } |
| |
| void tcg_gen_ctzi_i32(TCGv_i32 ret, TCGv_i32 arg1, uint32_t arg2) |
| { |
| if (!TCG_TARGET_HAS_ctz_i32 && TCG_TARGET_HAS_ctpop_i32 && arg2 == 32) { |
| /* This equivalence has the advantage of not requiring a fixup. */ |
| TCGv_i32 t = tcg_temp_new_i32(); |
| tcg_gen_subi_i32(t, arg1, 1); |
| tcg_gen_andc_i32(t, t, arg1); |
| tcg_gen_ctpop_i32(ret, t); |
| tcg_temp_free_i32(t); |
| } else { |
| TCGv_i32 t = tcg_const_i32(arg2); |
| tcg_gen_ctz_i32(ret, arg1, t); |
| tcg_temp_free_i32(t); |
| } |
| } |
| |
| void tcg_gen_clrsb_i32(TCGv_i32 ret, TCGv_i32 arg) |
| { |
| if (TCG_TARGET_HAS_clz_i32) { |
| TCGv_i32 t = tcg_temp_new_i32(); |
| tcg_gen_sari_i32(t, arg, 31); |
| tcg_gen_xor_i32(t, t, arg); |
| tcg_gen_clzi_i32(t, t, 32); |
| tcg_gen_subi_i32(ret, t, 1); |
| tcg_temp_free_i32(t); |
| } else { |
| gen_helper_clrsb_i32(ret, arg); |
| } |
| } |
| |
| void tcg_gen_ctpop_i32(TCGv_i32 ret, TCGv_i32 arg1) |
| { |
| if (TCG_TARGET_HAS_ctpop_i32) { |
| tcg_gen_op2_i32(INDEX_op_ctpop_i32, ret, arg1); |
| } else if (TCG_TARGET_HAS_ctpop_i64) { |
| TCGv_i64 t = tcg_temp_new_i64(); |
| tcg_gen_extu_i32_i64(t, arg1); |
| tcg_gen_ctpop_i64(t, t); |
| tcg_gen_extrl_i64_i32(ret, t); |
| tcg_temp_free_i64(t); |
| } else { |
| gen_helper_ctpop_i32(ret, arg1); |
| } |
| } |
| |
| 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 > 0); |
| tcg_debug_assert(len <= 32); |
| tcg_debug_assert(ofs + len <= 32); |
| |
| if (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; |
| } |
| |
| t1 = tcg_temp_new_i32(); |
| |
| if (TCG_TARGET_HAS_extract2_i32) { |
| if (ofs + len == 32) { |
| tcg_gen_shli_i32(t1, arg1, len); |
| tcg_gen_extract2_i32(ret, t1, arg2, len); |
| goto done; |
| } |
| if (ofs == 0) { |
| tcg_gen_extract2_i32(ret, arg1, arg2, len); |
| tcg_gen_rotli_i32(ret, ret, len); |
| goto done; |
| } |
| } |
| |
| mask = (1u << len) - 1; |
| 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); |
| done: |
| tcg_temp_free_i32(t1); |
| } |
| |
| void tcg_gen_deposit_z_i32(TCGv_i32 ret, TCGv_i32 arg, |
| unsigned int ofs, unsigned int len) |
| { |
| tcg_debug_assert(ofs < 32); |
| tcg_debug_assert(len > 0); |
| tcg_debug_assert(len <= 32); |
| tcg_debug_assert(ofs + len <= 32); |
| |
| if (ofs + len == 32) { |
| tcg_gen_shli_i32(ret, arg, ofs); |
| } else if (ofs == 0) { |
| tcg_gen_andi_i32(ret, arg, (1u << len) - 1); |
| } else if (TCG_TARGET_HAS_deposit_i32 |
| && TCG_TARGET_deposit_i32_valid(ofs, len)) { |
| TCGv_i32 zero = tcg_const_i32(0); |
| tcg_gen_op5ii_i32(INDEX_op_deposit_i32, ret, zero, arg, ofs, len); |
| tcg_temp_free_i32(zero); |
| } else { |
| /* To help two-operand hosts we prefer to zero-extend first, |
| which allows ARG to stay live. */ |
| switch (len) { |
| case 16: |
| if (TCG_TARGET_HAS_ext16u_i32) { |
| tcg_gen_ext16u_i32(ret, arg); |
| tcg_gen_shli_i32(ret, ret, ofs); |
| return; |
| } |
| break; |
| case 8: |
| if (TCG_TARGET_HAS_ext8u_i32) { |
| tcg_gen_ext8u_i32(ret, arg); |
| tcg_gen_shli_i32(ret, ret, ofs); |
| return; |
| } |
| break; |
| } |
| /* Otherwise prefer zero-extension over AND for code size. */ |
| switch (ofs + len) { |
| case 16: |
| if (TCG_TARGET_HAS_ext16u_i32) { |
| tcg_gen_shli_i32(ret, arg, ofs); |
| tcg_gen_ext16u_i32(ret, ret); |
| return; |
| } |
| break; |
| case 8: |
| if (TCG_TARGET_HAS_ext8u_i32) { |
| tcg_gen_shli_i32(ret, arg, ofs); |
| tcg_gen_ext8u_i32(ret, ret); |
| return; |
| } |
| break; |
| } |
| tcg_gen_andi_i32(ret, arg, (1u << len) - 1); |
| tcg_gen_shli_i32(ret, ret, ofs); |
| } |
| } |
| |
| void tcg_gen_extract_i32(TCGv_i32 ret, TCGv_i32 arg, |
| unsigned int ofs, unsigned int len) |
| { |
| tcg_debug_assert(ofs < 32); |
| tcg_debug_assert(len > 0); |
| tcg_debug_assert(len <= 32); |
| tcg_debug_assert(ofs + len <= 32); |
| |
| /* Canonicalize certain special cases, even if extract is supported. */ |
| if (ofs + len == 32) { |
| tcg_gen_shri_i32(ret, arg, 32 - len); |
| return; |
| } |
| if (ofs == 0) { |
| tcg_gen_andi_i32(ret, arg, (1u << len) - 1); |
| return; |
| } |
| |
| if (TCG_TARGET_HAS_extract_i32 |
| && TCG_TARGET_extract_i32_valid(ofs, len)) { |
| tcg_gen_op4ii_i32(INDEX_op_extract_i32, ret, arg, ofs, len); |
| return; |
| } |
| |
| /* Assume that zero-extension, if available, is cheaper than a shift. */ |
| switch (ofs + len) { |
| case 16: |
| if (TCG_TARGET_HAS_ext16u_i32) { |
| tcg_gen_ext16u_i32(ret, arg); |
| tcg_gen_shri_i32(ret, ret, ofs); |
| return; |
| } |
| break; |
| case 8: |
| if (TCG_TARGET_HAS_ext8u_i32) { |
| tcg_gen_ext8u_i32(ret, arg); |
| tcg_gen_shri_i32(ret, ret, ofs); |
| return; |
| } |
| break; |
| } |
| |
| /* ??? Ideally we'd know what values are available for immediate AND. |
| Assume that 8 bits are available, plus the special case of 16, |
| so that we get ext8u, ext16u. */ |
| switch (len) { |
| case 1 ... 8: case 16: |
| tcg_gen_shri_i32(ret, arg, ofs); |
| tcg_gen_andi_i32(ret, ret, (1u << len) - 1); |
| break; |
| default: |
| tcg_gen_shli_i32(ret, arg, 32 - len - ofs); |
| tcg_gen_shri_i32(ret, ret, 32 - len); |
| break; |
| } |
| } |
| |
| void tcg_gen_sextract_i32(TCGv_i32 ret, TCGv_i32 arg, |
| unsigned int ofs, unsigned int len) |
| { |
| tcg_debug_assert(ofs < 32); |
| tcg_debug_assert(len > 0); |
| tcg_debug_assert(len <= 32); |
| tcg_debug_assert(ofs + len <= 32); |
| |
| /* Canonicalize certain special cases, even if extract is supported. */ |
| if (ofs + len == 32) { |
| tcg_gen_sari_i32(ret, arg, 32 - len); |
| return; |
| } |
| if (ofs == 0) { |
| switch (len) { |
| case 16: |
| tcg_gen_ext16s_i32(ret, arg); |
| return; |
| case 8: |
| tcg_gen_ext8s_i32(ret, arg); |
| return; |
| } |
| } |
| |
| if (TCG_TARGET_HAS_sextract_i32 |
| && TCG_TARGET_extract_i32_valid(ofs, len)) { |
| tcg_gen_op4ii_i32(INDEX_op_sextract_i32, ret, arg, ofs, len); |
| return; |
| } |
| |
| /* Assume that sign-extension, if available, is cheaper than a shift. */ |
| switch (ofs + len) { |
| case 16: |
| if (TCG_TARGET_HAS_ext16s_i32) { |
| tcg_gen_ext16s_i32(ret, arg); |
| tcg_gen_sari_i32(ret, ret, ofs); |
| return; |
| } |
| break; |
| case 8: |
| if (TCG_TARGET_HAS_ext8s_i32) { |
| tcg_gen_ext8s_i32(ret, arg); |
| tcg_gen_sari_i32(ret, ret, ofs); |
| return; |
| } |
| break; |
| } |
| switch (len) { |
| case 16: |
| if (TCG_TARGET_HAS_ext16s_i32) { |
| tcg_gen_shri_i32(ret, arg, ofs); |
| tcg_gen_ext16s_i32(ret, ret); |
| return; |
| } |
| break; |
| case 8: |
| if (TCG_TARGET_HAS_ext8s_i32) { |
| tcg_gen_shri_i32(ret, arg, ofs); |
| tcg_gen_ext8s_i32(ret, ret); |
| return; |
| } |
| break; |
| } |
| |
| tcg_gen_shli_i32(ret, arg, 32 - len - ofs); |
| tcg_gen_sari_i32(ret, ret, 32 - len); |
| } |
| |
| /* |
| * Extract 32-bits from a 64-bit input, ah:al, starting from ofs. |
| * Unlike tcg_gen_extract_i32 above, len is fixed at 32. |
| */ |
| void tcg_gen_extract2_i32(TCGv_i32 ret, TCGv_i32 al, TCGv_i32 ah, |
| unsigned int ofs) |
| { |
| tcg_debug_assert(ofs <= 32); |
| if (ofs == 0) { |
| tcg_gen_mov_i32(ret, al); |
| } else if (ofs == 32) { |
| tcg_gen_mov_i32(ret, ah); |
| } else if (al == ah) { |
| tcg_gen_rotri_i32(ret, al, ofs); |
| } else if (TCG_TARGET_HAS_extract2_i32) { |
| tcg_gen_op4i_i32(INDEX_op_extract2_i32, ret, al, ah, ofs); |
| } else { |
| TCGv_i32 t0 = tcg_temp_new_i32(); |
| tcg_gen_shri_i32(t0, al, ofs); |
| tcg_gen_deposit_i32(ret, t0, ah, 32 - ofs, ofs); |
| tcg_temp_free_i32(t0); |
| } |
| } |
| |
| 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_mulsu2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 arg1, TCGv_i32 arg2) |
| { |
| 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(); |
| tcg_gen_mulu2_i32(t0, t1, arg1, arg2); |
| /* Adjust for negative input for the signed arg1. */ |
| tcg_gen_sari_i32(t2, arg1, 31); |
| tcg_gen_and_i32(t2, t2, arg2); |
| tcg_gen_sub_i32(rh, t1, t2); |
| tcg_gen_mov_i32(rl, t0); |
| tcg_temp_free_i32(t0); |
| tcg_temp_free_i32(t1); |
| tcg_temp_free_i32(t2); |
| } else { |
| TCGv_i64 t0 = tcg_temp_new_i64(); |
| TCGv_i64 t1 = tcg_temp_new_i64(); |
| tcg_gen_ext_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_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 = tcg_temp_new_i32(); |
| TCGv_i32 t1 = tcg_temp_new_i32(); |
| TCGv_i32 t2 = tcg_const_i32(0x00ff00ff); |
| |
| /* arg = abcd */ |
| tcg_gen_shri_i32(t0, arg, 8); /* t0 = .abc */ |
| tcg_gen_and_i32(t1, arg, t2); /* t1 = .b.d */ |
| tcg_gen_and_i32(t0, t0, t2); /* t0 = .a.c */ |
| tcg_gen_shli_i32(t1, t1, 8); /* t1 = b.d. */ |
| tcg_gen_or_i32(ret, t0, t1); /* ret = badc */ |
| |
| tcg_gen_shri_i32(t0, ret, 16); /* t0 = ..ba */ |
| tcg_gen_shli_i32(t1, ret, 16); /* t1 = dc.. */ |
| tcg_gen_or_i32(ret, t0, t1); /* ret = dcba */ |
| |
| tcg_temp_free_i32(t0); |
| tcg_temp_free_i32(t1); |
| tcg_temp_free_i32(t2); |
| } |
| } |
| |
| void tcg_gen_smin_i32(TCGv_i32 ret, TCGv_i32 a, TCGv_i32 b) |
| { |
| tcg_gen_movcond_i32(TCG_COND_LT, ret, a, b, a, b); |
| } |
| |
| void tcg_gen_umin_i32(TCGv_i32 ret, TCGv_i32 a, TCGv_i32 b) |
| { |
| tcg_gen_movcond_i32(TCG_COND_LTU, ret, a, b, a, b); |
| } |
| |
| void tcg_gen_smax_i32(TCGv_i32 ret, TCGv_i32 a, TCGv_i32 b) |
| { |
| tcg_gen_movcond_i32(TCG_COND_LT, ret, a, b, b, a); |
| } |
| |
| void tcg_gen_umax_i32(TCGv_i32 ret, TCGv_i32 a, TCGv_i32 b) |
| { |
| tcg_gen_movcond_i32(TCG_COND_LTU, ret, a, b, b, a); |
| } |
| |
| void tcg_gen_abs_i32(TCGv_i32 ret, TCGv_i32 a) |
| { |
| TCGv_i32 t = tcg_temp_new_i32(); |
| |
| tcg_gen_sari_i32(t, a, 31); |
| tcg_gen_xor_i32(ret, a, t); |
| tcg_gen_sub_i32(ret, ret, t); |
| tcg_temp_free_i32(t); |
| } |
| |
| /* 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_LOW(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, int64_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 -1: |
| tcg_gen_mov_i64(ret, arg1); |
| return; |
| case 0xff: |
| /* 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 0xffff: |
| if (TCG_TARGET_HAS_ext16u_i64) { |
| tcg_gen_op2_i64(INDEX_op_ext16u_i64, ret, arg1); |
| return; |
| } |
| break; |
| case 0xffffffffu: |
| 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 if (right) { |
| if (TCG_TARGET_HAS_extract2_i32) { |
| tcg_gen_extract2_i32(TCGV_LOW(ret), |
| TCGV_LOW(arg1), TCGV_HIGH(arg1), c); |
| } else { |
| tcg_gen_shri_i32(TCGV_LOW(ret), TCGV_LOW(arg1), c); |
| tcg_gen_deposit_i32(TCGV_LOW(ret), TCGV_LOW(ret), |
| TCGV_HIGH(arg1), 32 - c, c); |
| } |
| if (arith) { |
| tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), c); |
| } else { |
| tcg_gen_shri_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), c); |
| } |
| } else { |
| if (TCG_TARGET_HAS_extract2_i32) { |
| tcg_gen_extract2_i32(TCGV_HIGH(ret), |
| TCGV_LOW(arg1), TCGV_HIGH(arg1), 32 - c); |
| } else { |
| TCGv_i32 t0 = tcg_temp_new_i32(); |
| tcg_gen_shri_i32(t0, TCGV_LOW(arg1), 32 - c); |
| tcg_gen_deposit_i32(TCGV_HIGH(ret), t0, |
| TCGV_HIGH(arg1), c, 32 - c); |
| tcg_temp_free_i32(t0); |
| } |
| tcg_gen_shli_i32(TCGV_LOW(ret), TCGV_LOW(arg1), c); |
| } |
| } |
| |
| void tcg_gen_shli_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2) |
| { |
| tcg_debug_assert(arg2 >= 0 && 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, int64_t arg2) |
| { |
| tcg_debug_assert(arg2 >= 0 && 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, int64_t arg2) |
| { |
| tcg_debug_assert(arg2 >= 0 && 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) { |
| l->refs++; |
| 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) |
| { |
| if (arg2 == 0) { |
| tcg_gen_movi_i64(ret, 0); |
| } else if (is_power_of_2(arg2)) { |
| tcg_gen_shli_i64(ret, arg1, ctz64(arg2)); |
| } else { |
| 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 = tcg_temp_new_i64(); |
| TCGv_i64 t1 = tcg_temp_new_i64(); |
| TCGv_i64 t2 = tcg_const_i64(0x00ff00ff); |
| |
| /* arg = ....abcd */ |
| tcg_gen_shri_i64(t0, arg, 8); /* t0 = .....abc */ |
| tcg_gen_and_i64(t1, arg, t2); /* t1 = .....b.d */ |
| tcg_gen_and_i64(t0, t0, t2); /* t0 = .....a.c */ |
| tcg_gen_shli_i64(t1, t1, 8); /* t1 = ....b.d. */ |
| tcg_gen_or_i64(ret, t0, t1); /* ret = ....badc */ |
| |
| tcg_gen_shli_i64(t1, ret, 48); /* t1 = dc...... */ |
| tcg_gen_shri_i64(t0, ret, 16); /* t0 = ......ba */ |
| tcg_gen_shri_i64(t1, t1, 32); /* t1 = ....dc.. */ |
| tcg_gen_or_i64(ret, t0, t1); /* ret = ....dcba */ |
| |
| tcg_temp_free_i64(t0); |
| tcg_temp_free_i64(t1); |
| tcg_temp_free_i64(t2); |
| } |
| } |
| |
| 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(); |
| TCGv_i64 t2 = tcg_temp_new_i64(); |
| |
| /* arg = abcdefgh */ |
| tcg_gen_movi_i64(t2, 0x00ff00ff00ff00ffull); |
| tcg_gen_shri_i64(t0, arg, 8); /* t0 = .abcdefg */ |
| tcg_gen_and_i64(t1, arg, t2); /* t1 = .b.d.f.h */ |
| tcg_gen_and_i64(t0, t0, t2); /* t0 = .a.c.e.g */ |
| tcg_gen_shli_i64(t1, t1, 8); /* t1 = b.d.f.h. */ |
| tcg_gen_or_i64(ret, t0, t1); /* ret = badcfehg */ |
| |
| tcg_gen_movi_i64(t2, 0x0000ffff0000ffffull); |
| tcg_gen_shri_i64(t0, ret, 16); /* t0 = ..badcfe */ |
| tcg_gen_and_i64(t1, ret, t2); /* t1 = ..dc..hg */ |
| tcg_gen_and_i64(t0, t0, t2); /* t0 = ..ba..fe */ |
| tcg_gen_shli_i64(t1, t1, 16); /* t1 = dc..hg.. */ |
| tcg_gen_or_i64(ret, t0, t1); /* ret = dcbahgfe */ |
| |
| tcg_gen_shri_i64(t0, ret, 32); /* t0 = ....dcba */ |
| tcg_gen_shli_i64(t1, ret, 32); /* t1 = hgfe.... */ |
| tcg_gen_or_i64(ret, t0, t1); /* ret = hgfedcba */ |
| |
| tcg_temp_free_i64(t0); |
| tcg_temp_free_i64(t1); |
| tcg_temp_free_i64(t2); |
| } |
| } |
| |
| 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_clz_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) |
| { |
| if (TCG_TARGET_HAS_clz_i64) { |
| tcg_gen_op3_i64(INDEX_op_clz_i64, ret, arg1, arg2); |
| } else { |
| gen_helper_clz_i64(ret, arg1, arg2); |
| } |
| } |
| |
| void tcg_gen_clzi_i64(TCGv_i64 ret, TCGv_i64 arg1, uint64_t arg2) |
| { |
| if (TCG_TARGET_REG_BITS == 32 |
| && TCG_TARGET_HAS_clz_i32 |
| && arg2 <= 0xffffffffu) { |
| TCGv_i32 t = tcg_const_i32((uint32_t)arg2 - 32); |
| tcg_gen_clz_i32(t, TCGV_LOW(arg1), t); |
| tcg_gen_addi_i32(t, t, 32); |
| tcg_gen_clz_i32(TCGV_LOW(ret), TCGV_HIGH(arg1), t); |
| tcg_gen_movi_i32(TCGV_HIGH(ret), 0); |
| tcg_temp_free_i32(t); |
| } else { |
| TCGv_i64 t = tcg_const_i64(arg2); |
| tcg_gen_clz_i64(ret, arg1, t); |
| tcg_temp_free_i64(t); |
| } |
| } |
| |
| void tcg_gen_ctz_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) |
| { |
| if (TCG_TARGET_HAS_ctz_i64) { |
| tcg_gen_op3_i64(INDEX_op_ctz_i64, ret, arg1, arg2); |
| } else if (TCG_TARGET_HAS_ctpop_i64 || TCG_TARGET_HAS_clz_i64) { |
| TCGv_i64 z, t = tcg_temp_new_i64(); |
| |
| if (TCG_TARGET_HAS_ctpop_i64) { |
| tcg_gen_subi_i64(t, arg1, 1); |
| tcg_gen_andc_i64(t, t, arg1); |
| tcg_gen_ctpop_i64(t, t); |
| } else { |
| /* Since all non-x86 hosts have clz(0) == 64, don't fight it. */ |
| tcg_gen_neg_i64(t, arg1); |
| tcg_gen_and_i64(t, t, arg1); |
| tcg_gen_clzi_i64(t, t, 64); |
| tcg_gen_xori_i64(t, t, 63); |
| } |
| z = tcg_const_i64(0); |
| tcg_gen_movcond_i64(TCG_COND_EQ, ret, arg1, z, arg2, t); |
| tcg_temp_free_i64(t); |
| tcg_temp_free_i64(z); |
| } else { |
| gen_helper_ctz_i64(ret, arg1, arg2); |
| } |
| } |
| |
| void tcg_gen_ctzi_i64(TCGv_i64 ret, TCGv_i64 arg1, uint64_t arg2) |
| { |
| if (TCG_TARGET_REG_BITS == 32 |
| && TCG_TARGET_HAS_ctz_i32 |
| && arg2 <= 0xffffffffu) { |
| TCGv_i32 t32 = tcg_const_i32((uint32_t)arg2 - 32); |
| tcg_gen_ctz_i32(t32, TCGV_HIGH(arg1), t32); |
| tcg_gen_addi_i32(t32, t32, 32); |
| tcg_gen_ctz_i32(TCGV_LOW(ret), TCGV_LOW(arg1), t32); |
| tcg_gen_movi_i32(TCGV_HIGH(ret), 0); |
| tcg_temp_free_i32(t32); |
| } else if (!TCG_TARGET_HAS_ctz_i64 |
| && TCG_TARGET_HAS_ctpop_i64 |
| && arg2 == 64) { |
| /* This equivalence has the advantage of not requiring a fixup. */ |
| TCGv_i64 t = tcg_temp_new_i64(); |
| tcg_gen_subi_i64(t, arg1, 1); |
| tcg_gen_andc_i64(t, t, arg1); |
| tcg_gen_ctpop_i64(ret, t); |
| tcg_temp_free_i64(t); |
| } else { |
| TCGv_i64 t64 = tcg_const_i64(arg2); |
| tcg_gen_ctz_i64(ret, arg1, t64); |
| tcg_temp_free_i64(t64); |
| } |
| } |
| |
| void tcg_gen_clrsb_i64(TCGv_i64 ret, TCGv_i64 arg) |
| { |
| if (TCG_TARGET_HAS_clz_i64 || TCG_TARGET_HAS_clz_i32) { |
| TCGv_i64 t = tcg_temp_new_i64(); |
| tcg_gen_sari_i64(t, arg, 63); |
| tcg_gen_xor_i64(t, t, arg); |
| tcg_gen_clzi_i64(t, t, 64); |
| tcg_gen_subi_i64(ret, t, 1); |
| tcg_temp_free_i64(t); |
| } else { |
| gen_helper_clrsb_i64(ret, arg); |
| } |
| } |
| |
| void tcg_gen_ctpop_i64(TCGv_i64 ret, TCGv_i64 arg1) |
| { |
| if (TCG_TARGET_HAS_ctpop_i64) { |
| tcg_gen_op2_i64(INDEX_op_ctpop_i64, ret, arg1); |
| } else if (TCG_TARGET_REG_BITS == 32 && TCG_TARGET_HAS_ctpop_i32) { |
| tcg_gen_ctpop_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1)); |
| tcg_gen_ctpop_i32(TCGV_LOW(ret), TCGV_LOW(arg1)); |
| tcg_gen_add_i32(TCGV_LOW(ret), TCGV_LOW(ret), TCGV_HIGH(ret)); |
| tcg_gen_movi_i32(TCGV_HIGH(ret), 0); |
| } else { |
| gen_helper_ctpop_i64(ret, arg1); |
| } |
| } |
| |
| 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 > 0); |
| tcg_debug_assert(len <= 64); |
| tcg_debug_assert(ofs + len <= 64); |
| |
| if (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; |
| } |
| } |
| |
| t1 = tcg_temp_new_i64(); |
| |
| if (TCG_TARGET_HAS_extract2_i64) { |
| if (ofs + len == 64) { |
| tcg_gen_shli_i64(t1, arg1, len); |
| tcg_gen_extract2_i64(ret, t1, arg2, len); |
| goto done; |
| } |
| if (ofs == 0) { |
| tcg_gen_extract2_i64(ret, arg1, arg2, len); |
| tcg_gen_rotli_i64(ret, ret, len); |
| goto done; |
| } |
| } |
| |
| mask = (1ull << len) - 1; |
| 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); |
| done: |
| tcg_temp_free_i64(t1); |
| } |
| |
| void tcg_gen_deposit_z_i64(TCGv_i64 ret, TCGv_i64 arg, |
| unsigned int ofs, unsigned int len) |
| { |
| tcg_debug_assert(ofs < 64); |
| tcg_debug_assert(len > 0); |
| tcg_debug_assert(len <= 64); |
| tcg_debug_assert(ofs + len <= 64); |
| |
| if (ofs + len == 64) { |
| tcg_gen_shli_i64(ret, arg, ofs); |
| } else if (ofs == 0) { |
| tcg_gen_andi_i64(ret, arg, (1ull << len) - 1); |
| } else if (TCG_TARGET_HAS_deposit_i64 |
| && TCG_TARGET_deposit_i64_valid(ofs, len)) { |
| TCGv_i64 zero = tcg_const_i64(0); |
| tcg_gen_op5ii_i64(INDEX_op_deposit_i64, ret, zero, arg, ofs, len); |
| tcg_temp_free_i64(zero); |
| } else { |
| if (TCG_TARGET_REG_BITS == 32) { |
| if (ofs >= 32) { |
| tcg_gen_deposit_z_i32(TCGV_HIGH(ret), TCGV_LOW(arg), |
| ofs - 32, len); |
| tcg_gen_movi_i32(TCGV_LOW(ret), 0); |
| return; |
| } |
| if (ofs + len <= 32) { |
| tcg_gen_deposit_z_i32(TCGV_LOW(ret), TCGV_LOW(arg), ofs, len); |
| tcg_gen_movi_i32(TCGV_HIGH(ret), 0); |
| return; |
| } |
| } |
| /* To help two-operand hosts we prefer to zero-extend first, |
| which allows ARG to stay live. */ |
| switch (len) { |
| case 32: |
| if (TCG_TARGET_HAS_ext32u_i64) { |
| tcg_gen_ext32u_i64(ret, arg); |
| tcg_gen_shli_i64(ret, ret, ofs); |
| return; |
| } |
| break; |
| case 16: |
| if (TCG_TARGET_HAS_ext16u_i64) { |
| tcg_gen_ext16u_i64(ret, arg); |
| tcg_gen_shli_i64(ret, ret, ofs); |
| return; |
| } |
| break; |
| case 8: |
| if (TCG_TARGET_HAS_ext8u_i64) { |
| tcg_gen_ext8u_i64(ret, arg); |
| tcg_gen_shli_i64(ret, ret, ofs); |
| return; |
| } |
| break; |
| } |
| /* Otherwise prefer zero-extension over AND for code size. */ |
| switch (ofs + len) { |
| case 32: |
| if (TCG_TARGET_HAS_ext32u_i64) { |
| tcg_gen_shli_i64(ret, arg, ofs); |
| tcg_gen_ext32u_i64(ret, ret); |
| return; |
| } |
| break; |
| case 16: |
| if (TCG_TARGET_HAS_ext16u_i64) { |
| tcg_gen_shli_i64(ret, arg, ofs); |
| tcg_gen_ext16u_i64(ret, ret); |
| return; |
| } |
| break; |
| case 8: |
| if (TCG_TARGET_HAS_ext8u_i64) { |
| tcg_gen_shli_i64(ret, arg, ofs); |
| tcg_gen_ext8u_i64(ret, ret); |
| return; |
| } |
| break; |
| } |
| tcg_gen_andi_i64(ret, arg, (1ull << len) - 1); |
| tcg_gen_shli_i64(ret, ret, ofs); |
| } |
| } |
| |
| void tcg_gen_extract_i64(TCGv_i64 ret, TCGv_i64 arg, |
| unsigned int ofs, unsigned int len) |
| { |
| tcg_debug_assert(ofs < 64); |
| tcg_debug_assert(len > 0); |
| tcg_debug_assert(len <= 64); |
| tcg_debug_assert(ofs + len <= 64); |
| |
| /* Canonicalize certain special cases, even if extract is supported. */ |
| if (ofs + len == 64) { |
| tcg_gen_shri_i64(ret, arg, 64 - len); |
| return; |
| } |
| if (ofs == 0) { |
| tcg_gen_andi_i64(ret, arg, (1ull << len) - 1); |
| return; |
| } |
| |
| if (TCG_TARGET_REG_BITS == 32) { |
| /* Look for a 32-bit extract within one of the two words. */ |
| if (ofs >= 32) { |
| tcg_gen_extract_i32(TCGV_LOW(ret), TCGV_HIGH(arg), ofs - 32, len); |
| tcg_gen_movi_i32(TCGV_HIGH(ret), 0); |
| return; |
| } |
| if (ofs + len <= 32) { |
| tcg_gen_extract_i32(TCGV_LOW(ret), TCGV_LOW(arg), ofs, len); |
| tcg_gen_movi_i32(TCGV_HIGH(ret), 0); |
| return; |
| } |
| /* The field is split across two words. One double-word |
| shift is better than two double-word shifts. */ |
| goto do_shift_and; |
| } |
| |
| if (TCG_TARGET_HAS_extract_i64 |
| && TCG_TARGET_extract_i64_valid(ofs, len)) { |
| tcg_gen_op4ii_i64(INDEX_op_extract_i64, ret, arg, ofs, len); |
| return; |
| } |
| |
| /* Assume that zero-extension, if available, is cheaper than a shift. */ |
| switch (ofs + len) { |
| case 32: |
| if (TCG_TARGET_HAS_ext32u_i64) { |
| tcg_gen_ext32u_i64(ret, arg); |
| tcg_gen_shri_i64(ret, ret, ofs); |
| return; |
| } |
| break; |
| case 16: |
| if (TCG_TARGET_HAS_ext16u_i64) { |
| tcg_gen_ext16u_i64(ret, arg); |
| tcg_gen_shri_i64(ret, ret, ofs); |
| return; |
| } |
| break; |
| case 8: |
| if (TCG_TARGET_HAS_ext8u_i64) { |
| tcg_gen_ext8u_i64(ret, arg); |
| tcg_gen_shri_i64(ret, ret, ofs); |
| return; |
| } |
| break; |
| } |
| |
| /* ??? Ideally we'd know what values are available for immediate AND. |
| Assume that 8 bits are available, plus the special cases of 16 and 32, |
| so that we get ext8u, ext16u, and ext32u. */ |
| switch (len) { |
| case 1 ... 8: case 16: case 32: |
| do_shift_and: |
| tcg_gen_shri_i64(ret, arg, ofs); |
| tcg_gen_andi_i64(ret, ret, (1ull << len) - 1); |
| break; |
| default: |
| tcg_gen_shli_i64(ret, arg, 64 - len - ofs); |
| tcg_gen_shri_i64(ret, ret, 64 - len); |
| break; |
| } |
| } |
| |
| void tcg_gen_sextract_i64(TCGv_i64 ret, TCGv_i64 arg, |
| unsigned int ofs, unsigned int len) |
| { |
| tcg_debug_assert(ofs < 64); |
| tcg_debug_assert(len > 0); |
| tcg_debug_assert(len <= 64); |
| tcg_debug_assert(ofs + len <= 64); |
| |
| /* Canonicalize certain special cases, even if sextract is supported. */ |
| if (ofs + len == 64) { |
| tcg_gen_sari_i64(ret, arg, 64 - len); |
| return; |
| } |
| if (ofs == 0) { |
| switch (len) { |
| case 32: |
| tcg_gen_ext32s_i64(ret, arg); |
| return; |
| case 16: |
| tcg_gen_ext16s_i64(ret, arg); |
| return; |
| case 8: |
| tcg_gen_ext8s_i64(ret, arg); |
| return; |
| } |
| } |
| |
| if (TCG_TARGET_REG_BITS == 32) { |
| /* Look for a 32-bit extract within one of the two words. */ |
| if (ofs >= 32) { |
| tcg_gen_sextract_i32(TCGV_LOW(ret), TCGV_HIGH(arg), ofs - 32, len); |
| } else if (ofs + len <= 32) { |
| tcg_gen_sextract_i32(TCGV_LOW(ret), TCGV_LOW(arg), ofs, len); |
| } else if (ofs == 0) { |
| tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg)); |
| tcg_gen_sextract_i32(TCGV_HIGH(ret), TCGV_HIGH(arg), 0, len - 32); |
| return; |
| } else if (len > 32) { |
| TCGv_i32 t = tcg_temp_new_i32(); |
| /* Extract the bits for the high word normally. */ |
| tcg_gen_sextract_i32(t, TCGV_HIGH(arg), ofs + 32, len - 32); |
| /* Shift the field down for the low part. */ |
| tcg_gen_shri_i64(ret, arg, ofs); |
| /* Overwrite the shift into the high part. */ |
| tcg_gen_mov_i32(TCGV_HIGH(ret), t); |
| tcg_temp_free_i32(t); |
| return; |
| } else { |
| /* Shift the field down for the low part, such that the |
| field sits at the MSB. */ |
| tcg_gen_shri_i64(ret, arg, ofs + len - 32); |
| /* Shift the field down from the MSB, sign extending. */ |
| tcg_gen_sari_i32(TCGV_LOW(ret), TCGV_LOW(ret), 32 - len); |
| } |
| /* Sign-extend the field from 32 bits. */ |
| tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31); |
| return; |
| } |
| |
| if (TCG_TARGET_HAS_sextract_i64 |
| && TCG_TARGET_extract_i64_valid(ofs, len)) { |
| tcg_gen_op4ii_i64(INDEX_op_sextract_i64, ret, arg, ofs, len); |
| return; |
| } |
| |
| /* Assume that sign-extension, if available, is cheaper than a shift. */ |
| switch (ofs + len) { |
| case 32: |
| if (TCG_TARGET_HAS_ext32s_i64) { |
| tcg_gen_ext32s_i64(ret, arg); |
| tcg_gen_sari_i64(ret, ret, ofs); |
| return; |
| } |
| break; |
| case 16: |
| if (TCG_TARGET_HAS_ext16s_i64) { |
| tcg_gen_ext16s_i64(ret, arg); |
| tcg_gen_sari_i64(ret, ret, ofs); |
| return; |
| } |
| break; |
| case 8: |
| if (TCG_TARGET_HAS_ext8s_i64) { |
| tcg_gen_ext8s_i64(ret, arg); |
| tcg_gen_sari_i64(ret, ret, ofs); |
| return; |
| } |
| break; |
| } |
| switch (len) { |
| case 32: |
| if (TCG_TARGET_HAS_ext32s_i64) { |
| tcg_gen_shri_i64(ret, arg, ofs); |
| tcg_gen_ext32s_i64(ret, ret); |
| return; |
| } |
| break; |
| case 16: |
| if (TCG_TARGET_HAS_ext16s_i64) { |
| tcg_gen_shri_i64(ret, arg, ofs); |
| tcg_gen_ext16s_i64(ret, ret); |
| return; |
| } |
| break; |
| case 8: |
| if (TCG_TARGET_HAS_ext8s_i64) { |
| tcg_gen_shri_i64(ret, arg, ofs); |
| tcg_gen_ext8s_i64(ret, ret); |
| return; |
| } |
| break; |
| } |
| tcg_gen_shli_i64(ret, arg, 64 - len - ofs); |
| tcg_gen_sari_i64(ret, ret, 64 - len); |
| } |
| |
| /* |
| * Extract 64 bits from a 128-bit input, ah:al, starting from ofs. |
| * Unlike tcg_gen_extract_i64 above, len is fixed at 64. |
| */ |
| void tcg_gen_extract2_i64(TCGv_i64 ret, TCGv_i64 al, TCGv_i64 ah, |
| unsigned int ofs) |
| { |
| tcg_debug_assert(ofs <= 64); |
| if (ofs == 0) { |
| tcg_gen_mov_i64(ret, al); |
| } else if (ofs == 64) { |
| tcg_gen_mov_i64(ret, ah); |
| } else if (al == ah) { |
| tcg_gen_rotri_i64(ret, al, ofs); |
| } else if (TCG_TARGET_HAS_extract2_i64) { |
| tcg_gen_op4i_i64(INDEX_op_extract2_i64, ret, al, ah, ofs); |
| } else { |
| TCGv_i64 t0 = tcg_temp_new_i64(); |
| tcg_gen_shri_i64(t0, al, ofs); |
| tcg_gen_deposit_i64(ret, t0, ah, 64 - ofs, ofs); |
| tcg_temp_free_i64(t0); |
| } |
| } |
| |
| 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); |
| } |
| } |
| |
| void tcg_gen_mulsu2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 arg1, TCGv_i64 arg2) |
| { |
| TCGv_i64 t0 = tcg_temp_new_i64(); |
| TCGv_i64 t1 = tcg_temp_new_i64(); |
| TCGv_i64 t2 = tcg_temp_new_i64(); |
| tcg_gen_mulu2_i64(t0, t1, arg1, arg2); |
| /* Adjust for negative input for the signed arg1. */ |
| tcg_gen_sari_i64(t2, arg1, 63); |
| tcg_gen_and_i64(t2, t2, arg2); |
| tcg_gen_sub_i64(rh, t1, t2); |
| tcg_gen_mov_i64(rl, t0); |
| tcg_temp_free_i64(t0); |
| tcg_temp_free_i64(t1); |
| tcg_temp_free_i64(t2); |
| } |
| |
| void tcg_gen_smin_i64(TCGv_i64 ret, TCGv_i64 a, TCGv_i64 b) |
| { |
| tcg_gen_movcond_i64(TCG_COND_LT, ret, a, b, a, b); |
| } |
| |
| void tcg_gen_umin_i64(TCGv_i64 ret, TCGv_i64 a, TCGv_i64 b) |
| { |
| tcg_gen_movcond_i64(TCG_COND_LTU, ret, a, b, a, b); |
| } |
| |
| void tcg_gen_smax_i64(TCGv_i64 ret, TCGv_i64 a, TCGv_i64 b) |
| { |
| tcg_gen_movcond_i64(TCG_COND_LT, ret, a, b, b, a); |
| } |
| |
| void tcg_gen_umax_i64(TCGv_i64 ret, TCGv_i64 a, TCGv_i64 b) |
| { |
| tcg_gen_movcond_i64(TCG_COND_LTU, ret, a, b, b, a); |
| } |
| |
| void tcg_gen_abs_i64(TCGv_i64 ret, TCGv_i64 a) |
| { |
| TCGv_i64 t = tcg_temp_new_i64(); |
| |
| tcg_gen_sari_i64(t, a, 63); |
| tcg_gen_xor_i64(ret, a, t); |
| tcg_gen_sub_i64(ret, ret, t); |
| tcg_temp_free_i64(t); |
| } |
| |
| /* Size changing operations. */ |
| |
| void tcg_gen_extrl_i64_i32(TCGv_i32 ret, TCGv_i64 arg) |
| { |
| if (TCG_TARGET_REG_BITS == 32) { |
| tcg_gen_mov_i32(ret, TCGV_LOW(arg)); |
| } else if (TCG_TARGET_HAS_extrl_i64_i32) { |
| tcg_gen_op2(INDEX_op_extrl_i64_i32, |
| tcgv_i32_arg(ret), tcgv_i64_arg(arg)); |
| } else { |
| tcg_gen_mov_i32(ret, (TCGv_i32)arg); |
| } |
| } |
| |
| void tcg_gen_extrh_i64_i32(TCGv_i32 ret, TCGv_i64 arg) |
| { |
| if (TCG_TARGET_REG_BITS == 32) { |
| tcg_gen_mov_i32(ret, TCGV_HIGH(arg)); |
| } else if (TCG_TARGET_HAS_extrh_i64_i32) { |
| tcg_gen_op2(INDEX_op_extrh_i64_i32, |
| tcgv_i32_arg(ret), tcgv_i64_arg(arg)); |
| } else { |
| TCGv_i64 t = tcg_temp_new_i64(); |
| tcg_gen_shri_i64(t, arg, 32); |
| tcg_gen_mov_i32(ret, (TCGv_i32)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 { |
| tcg_gen_op2(INDEX_op_extu_i32_i64, |
| tcgv_i64_arg(ret), tcgv_i32_arg(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 { |
| tcg_gen_op2(INDEX_op_ext_i32_i64, |
| tcgv_i64_arg(ret), tcgv_i32_arg(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_extrl_i64_i32(lo, arg); |
| tcg_gen_extrh_i64_i32(hi, arg); |
| } |
| } |
| |
| 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_exit_tb(TranslationBlock *tb, unsigned idx) |
| { |
| uintptr_t val = (uintptr_t)tb + idx; |
| |
| if (tb == NULL) { |
| tcg_debug_assert(idx == 0); |
| } else if (idx <= TB_EXIT_IDXMAX) { |
| #ifdef CONFIG_DEBUG_TCG |
| /* This is an exit following a goto_tb. Verify that we have |
| seen this numbered exit before, via tcg_gen_goto_tb. */ |
| tcg_debug_assert(tcg_ctx->goto_tb_issue_mask & (1 << idx)); |
| #endif |
| /* When not chaining, exit without indicating a link. */ |
| if (qemu_loglevel_mask(CPU_LOG_TB_NOCHAIN)) { |
| val = 0; |
| } |
| } else { |
| /* This is an exit via the exitreq label. */ |
| tcg_debug_assert(idx == TB_EXIT_REQUESTED); |
| } |
| |
| plugin_gen_disable_mem_helpers(); |
| tcg_gen_op1i(INDEX_op_exit_tb, val); |
| } |
| |
| void tcg_gen_goto_tb(unsigned idx) |
| { |
| /* We only support two chained exits. */ |
| tcg_debug_assert(idx <= TB_EXIT_IDXMAX); |
| #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 |
| plugin_gen_disable_mem_helpers(); |
| /* When not chaining, we simply fall through to the "fallback" exit. */ |
| if (!qemu_loglevel_mask(CPU_LOG_TB_NOCHAIN)) { |
| tcg_gen_op1i(INDEX_op_goto_tb, idx); |
| } |
| } |
| |
| void tcg_gen_lookup_and_goto_ptr(void) |
| { |
| if (TCG_TARGET_HAS_goto_ptr && !qemu_loglevel_mask(CPU_LOG_TB_NOCHAIN)) { |
| TCGv_ptr ptr; |
| |
| plugin_gen_disable_mem_helpers(); |
| ptr = tcg_temp_new_ptr(); |
| gen_helper_lookup_tb_ptr(ptr, cpu_env); |
| tcg_gen_op1i(INDEX_op_goto_ptr, tcgv_ptr_arg(ptr)); |
| tcg_temp_free_ptr(ptr); |
| } else { |
| tcg_gen_exit_tb(NULL, 0); |
| } |
| } |
| |
| static inline MemOp tcg_canonicalize_memop(MemOp op, bool is64, bool st) |
| { |
| /* Trigger the asserts within as early as possible. */ |
| (void)get_alignment_bits(op); |
| |
| 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, |
| MemOp 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(opc, tcgv_i32_arg(val), tcgv_i64_arg(addr), oi); |
| } |
| #endif |
| } |
| |
| static void gen_ldst_i64(TCGOpcode opc, TCGv_i64 val, TCGv addr, |
| MemOp 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(opc, tcgv_i64_arg(val), tcgv_i32_arg(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 |
| } |
| |
| static void tcg_gen_req_mo(TCGBar type) |
| { |
| #ifdef TCG_GUEST_DEFAULT_MO |
| type &= TCG_GUEST_DEFAULT_MO; |
| #endif |
| type &= ~TCG_TARGET_DEFAULT_MO; |
| if (type) { |
| tcg_gen_mb(type | TCG_BAR_SC); |
| } |
| } |
| |
| static inline TCGv plugin_prep_mem_callbacks(TCGv vaddr) |
| { |
| #ifdef CONFIG_PLUGIN |
| if (tcg_ctx->plugin_insn != NULL) { |
| /* Save a copy of the vaddr for use after a load. */ |
| TCGv temp = tcg_temp_new(); |
| tcg_gen_mov_tl(temp, vaddr); |
| return temp; |
| } |
| #endif |
| return vaddr; |
| } |
| |
| static inline void plugin_gen_mem_callbacks(TCGv vaddr, uint16_t info) |
| { |
| #ifdef CONFIG_PLUGIN |
| if (tcg_ctx->plugin_insn != NULL) { |
| plugin_gen_empty_mem_callback(vaddr, info); |
| tcg_temp_free(vaddr); |
| } |
| #endif |
| } |
| |
| void tcg_gen_qemu_ld_i32(TCGv_i32 val, TCGv addr, TCGArg idx, MemOp memop) |
| { |
| MemOp orig_memop; |
| uint16_t info = trace_mem_get_info(memop, idx, 0); |
| |
| tcg_gen_req_mo(TCG_MO_LD_LD | TCG_MO_ST_LD); |
| memop = tcg_canonicalize_memop(memop, 0, 0); |
| trace_guest_mem_before_tcg(tcg_ctx->cpu, cpu_env, addr, info); |
| |
| orig_memop = memop; |
| if (!TCG_TARGET_HAS_MEMORY_BSWAP && (memop & MO_BSWAP)) { |
| memop &= ~MO_BSWAP; |
| /* The bswap primitive requires zero-extended input. */ |
| |