--- /dev/null
+/*
+ * 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);
+}
Code Review / kvmfornfv.git / blobdiff