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-rw-r--r--tcg/optimize.c675
1 files changed, 675 insertions, 0 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c
new file mode 100644
index 0000000000..a3bfa5e71d
--- /dev/null
+++ b/tcg/optimize.c
@@ -0,0 +1,675 @@
+/*
+ * Optimizations for Tiny Code Generator for QEMU
+ *
+ * Copyright (c) 2010 Samsung Electronics.
+ * Contributed by Kirill Batuzov <batuzovk@ispras.ru>
+ *
+ * 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 "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "qemu-common.h"
+#include "tcg-op.h"
+
+#if TCG_TARGET_REG_BITS == 64
+#define CASE_OP_32_64(x) \
+ glue(glue(case INDEX_op_, x), _i32): \
+ glue(glue(case INDEX_op_, x), _i64)
+#else
+#define CASE_OP_32_64(x) \
+ glue(glue(case INDEX_op_, x), _i32)
+#endif
+
+typedef enum {
+ TCG_TEMP_UNDEF = 0,
+ TCG_TEMP_CONST,
+ TCG_TEMP_COPY,
+ TCG_TEMP_HAS_COPY,
+ TCG_TEMP_ANY
+} tcg_temp_state;
+
+struct tcg_temp_info {
+ tcg_temp_state state;
+ uint16_t prev_copy;
+ uint16_t next_copy;
+ tcg_target_ulong val;
+};
+
+static struct tcg_temp_info temps[TCG_MAX_TEMPS];
+
+/* Reset TEMP's state to TCG_TEMP_ANY. If TEMP was a representative of some
+ class of equivalent temp's, a new representative should be chosen in this
+ class. */
+static void reset_temp(TCGArg temp, int nb_temps, int nb_globals)
+{
+ int i;
+ TCGArg new_base = (TCGArg)-1;
+ if (temps[temp].state == TCG_TEMP_HAS_COPY) {
+ for (i = temps[temp].next_copy; i != temp; i = temps[i].next_copy) {
+ if (i >= nb_globals) {
+ temps[i].state = TCG_TEMP_HAS_COPY;
+ new_base = i;
+ break;
+ }
+ }
+ for (i = temps[temp].next_copy; i != temp; i = temps[i].next_copy) {
+ if (new_base == (TCGArg)-1) {
+ temps[i].state = TCG_TEMP_ANY;
+ } else {
+ temps[i].val = new_base;
+ }
+ }
+ temps[temps[temp].next_copy].prev_copy = temps[temp].prev_copy;
+ temps[temps[temp].prev_copy].next_copy = temps[temp].next_copy;
+ } else if (temps[temp].state == TCG_TEMP_COPY) {
+ temps[temps[temp].next_copy].prev_copy = temps[temp].prev_copy;
+ temps[temps[temp].prev_copy].next_copy = temps[temp].next_copy;
+ new_base = temps[temp].val;
+ }
+ temps[temp].state = TCG_TEMP_ANY;
+ if (new_base != (TCGArg)-1 && temps[new_base].next_copy == new_base) {
+ temps[new_base].state = TCG_TEMP_ANY;
+ }
+}
+
+static int op_bits(int op)
+{
+ switch (op) {
+ case INDEX_op_mov_i32:
+ case INDEX_op_add_i32:
+ case INDEX_op_sub_i32:
+ case INDEX_op_mul_i32:
+ case INDEX_op_and_i32:
+ case INDEX_op_or_i32:
+ case INDEX_op_xor_i32:
+ case INDEX_op_shl_i32:
+ case INDEX_op_shr_i32:
+ case INDEX_op_sar_i32:
+#ifdef TCG_TARGET_HAS_rot_i32
+ case INDEX_op_rotl_i32:
+ case INDEX_op_rotr_i32:
+#endif
+#ifdef TCG_TARGET_HAS_not_i32
+ case INDEX_op_not_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext8s_i32
+ case INDEX_op_ext8s_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext16s_i32
+ case INDEX_op_ext16s_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext8u_i32
+ case INDEX_op_ext8u_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext16u_i32
+ case INDEX_op_ext16u_i32:
+#endif
+ return 32;
+#if TCG_TARGET_REG_BITS == 64
+ case INDEX_op_mov_i64:
+ case INDEX_op_add_i64:
+ case INDEX_op_sub_i64:
+ case INDEX_op_mul_i64:
+ case INDEX_op_and_i64:
+ case INDEX_op_or_i64:
+ case INDEX_op_xor_i64:
+ case INDEX_op_shl_i64:
+ case INDEX_op_shr_i64:
+ case INDEX_op_sar_i64:
+#ifdef TCG_TARGET_HAS_rot_i64
+ case INDEX_op_rotl_i64:
+ case INDEX_op_rotr_i64:
+#endif
+#ifdef TCG_TARGET_HAS_not_i64
+ case INDEX_op_not_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext8s_i64
+ case INDEX_op_ext8s_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext16s_i64
+ case INDEX_op_ext16s_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext32s_i64
+ case INDEX_op_ext32s_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext8u_i64
+ case INDEX_op_ext8u_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext16u_i64
+ case INDEX_op_ext16u_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext32u_i64
+ case INDEX_op_ext32u_i64:
+#endif
+ return 64;
+#endif
+ default:
+ fprintf(stderr, "Unrecognized operation %d in op_bits.\n", op);
+ tcg_abort();
+ }
+}
+
+static int op_to_movi(int op)
+{
+ switch (op_bits(op)) {
+ case 32:
+ return INDEX_op_movi_i32;
+#if TCG_TARGET_REG_BITS == 64
+ case 64:
+ return INDEX_op_movi_i64;
+#endif
+ default:
+ fprintf(stderr, "op_to_movi: unexpected return value of "
+ "function op_bits.\n");
+ tcg_abort();
+ }
+}
+
+static void tcg_opt_gen_mov(TCGArg *gen_args, TCGArg dst, TCGArg src,
+ int nb_temps, int nb_globals)
+{
+ reset_temp(dst, nb_temps, nb_globals);
+ assert(temps[src].state != TCG_TEMP_COPY);
+ if (src >= nb_globals) {
+ assert(temps[src].state != TCG_TEMP_CONST);
+ if (temps[src].state != TCG_TEMP_HAS_COPY) {
+ temps[src].state = TCG_TEMP_HAS_COPY;
+ temps[src].next_copy = src;
+ temps[src].prev_copy = src;
+ }
+ temps[dst].state = TCG_TEMP_COPY;
+ temps[dst].val = src;
+ temps[dst].next_copy = temps[src].next_copy;
+ temps[dst].prev_copy = src;
+ temps[temps[dst].next_copy].prev_copy = dst;
+ temps[src].next_copy = dst;
+ }
+ gen_args[0] = dst;
+ gen_args[1] = src;
+}
+
+static void tcg_opt_gen_movi(TCGArg *gen_args, TCGArg dst, TCGArg val,
+ int nb_temps, int nb_globals)
+{
+ reset_temp(dst, nb_temps, nb_globals);
+ temps[dst].state = TCG_TEMP_CONST;
+ temps[dst].val = val;
+ gen_args[0] = dst;
+ gen_args[1] = val;
+}
+
+static int op_to_mov(int op)
+{
+ switch (op_bits(op)) {
+ case 32:
+ return INDEX_op_mov_i32;
+#if TCG_TARGET_REG_BITS == 64
+ case 64:
+ return INDEX_op_mov_i64;
+#endif
+ default:
+ fprintf(stderr, "op_to_mov: unexpected return value of "
+ "function op_bits.\n");
+ tcg_abort();
+ }
+}
+
+static TCGArg do_constant_folding_2(int op, TCGArg x, TCGArg y)
+{
+ switch (op) {
+ CASE_OP_32_64(add):
+ return x + y;
+
+ CASE_OP_32_64(sub):
+ return x - y;
+
+ CASE_OP_32_64(mul):
+ return x * y;
+
+ CASE_OP_32_64(and):
+ return x & y;
+
+ CASE_OP_32_64(or):
+ return x | y;
+
+ CASE_OP_32_64(xor):
+ return x ^ y;
+
+ case INDEX_op_shl_i32:
+ return (uint32_t)x << (uint32_t)y;
+
+#if TCG_TARGET_REG_BITS == 64
+ case INDEX_op_shl_i64:
+ return (uint64_t)x << (uint64_t)y;
+#endif
+
+ case INDEX_op_shr_i32:
+ return (uint32_t)x >> (uint32_t)y;
+
+#if TCG_TARGET_REG_BITS == 64
+ case INDEX_op_shr_i64:
+ return (uint64_t)x >> (uint64_t)y;
+#endif
+
+ case INDEX_op_sar_i32:
+ return (int32_t)x >> (int32_t)y;
+
+#if TCG_TARGET_REG_BITS == 64
+ case INDEX_op_sar_i64:
+ return (int64_t)x >> (int64_t)y;
+#endif
+
+#ifdef TCG_TARGET_HAS_rot_i32
+ case INDEX_op_rotr_i32:
+#if TCG_TARGET_REG_BITS == 64
+ x &= 0xffffffff;
+ y &= 0xffffffff;
+#endif
+ x = (x << (32 - y)) | (x >> y);
+ return x;
+#endif
+
+#ifdef TCG_TARGET_HAS_rot_i64
+#if TCG_TARGET_REG_BITS == 64
+ case INDEX_op_rotr_i64:
+ x = (x << (64 - y)) | (x >> y);
+ return x;
+#endif
+#endif
+
+#ifdef TCG_TARGET_HAS_rot_i32
+ case INDEX_op_rotl_i32:
+#if TCG_TARGET_REG_BITS == 64
+ x &= 0xffffffff;
+ y &= 0xffffffff;
+#endif
+ x = (x << y) | (x >> (32 - y));
+ return x;
+#endif
+
+#ifdef TCG_TARGET_HAS_rot_i64
+#if TCG_TARGET_REG_BITS == 64
+ case INDEX_op_rotl_i64:
+ x = (x << y) | (x >> (64 - y));
+ return x;
+#endif
+#endif
+
+#if defined(TCG_TARGET_HAS_not_i32) || defined(TCG_TARGET_HAS_not_i64)
+#ifdef TCG_TARGET_HAS_not_i32
+ case INDEX_op_not_i32:
+#endif
+#ifdef TCG_TARGET_HAS_not_i64
+ case INDEX_op_not_i64:
+#endif
+ return ~x;
+#endif
+
+#if defined(TCG_TARGET_HAS_ext8s_i32) || defined(TCG_TARGET_HAS_ext8s_i64)
+#ifdef TCG_TARGET_HAS_ext8s_i32
+ case INDEX_op_ext8s_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext8s_i64
+ case INDEX_op_ext8s_i64:
+#endif
+ return (int8_t)x;
+#endif
+
+#if defined(TCG_TARGET_HAS_ext16s_i32) || defined(TCG_TARGET_HAS_ext16s_i64)
+#ifdef TCG_TARGET_HAS_ext16s_i32
+ case INDEX_op_ext16s_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext16s_i64
+ case INDEX_op_ext16s_i64:
+#endif
+ return (int16_t)x;
+#endif
+
+#if defined(TCG_TARGET_HAS_ext8u_i32) || defined(TCG_TARGET_HAS_ext8u_i64)
+#ifdef TCG_TARGET_HAS_ext8u_i32
+ case INDEX_op_ext8u_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext8u_i64
+ case INDEX_op_ext8u_i64:
+#endif
+ return (uint8_t)x;
+#endif
+
+#if defined(TCG_TARGET_HAS_ext16u_i32) || defined(TCG_TARGET_HAS_ext16u_i64)
+#ifdef TCG_TARGET_HAS_ext16u_i32
+ case INDEX_op_ext16u_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext16u_i64
+ case INDEX_op_ext16u_i64:
+#endif
+ return (uint16_t)x;
+#endif
+
+#if TCG_TARGET_REG_BITS == 64
+#ifdef TCG_TARGET_HAS_ext32s_i64
+ case INDEX_op_ext32s_i64:
+ return (int32_t)x;
+#endif
+
+#ifdef TCG_TARGET_HAS_ext32u_i64
+ case INDEX_op_ext32u_i64:
+ return (uint32_t)x;
+#endif
+#endif
+
+ default:
+ fprintf(stderr,
+ "Unrecognized operation %d in do_constant_folding.\n", op);
+ tcg_abort();
+ }
+}
+
+static TCGArg do_constant_folding(int op, TCGArg x, TCGArg y)
+{
+ TCGArg res = do_constant_folding_2(op, x, y);
+#if TCG_TARGET_REG_BITS == 64
+ if (op_bits(op) == 32) {
+ res &= 0xffffffff;
+ }
+#endif
+ return res;
+}
+
+/* Propagate constants and copies, fold constant expressions. */
+static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
+ TCGArg *args, TCGOpDef *tcg_op_defs)
+{
+ int i, nb_ops, op_index, op, nb_temps, nb_globals, nb_call_args;
+ const TCGOpDef *def;
+ TCGArg *gen_args;
+ TCGArg tmp;
+ /* Array VALS has an element for each temp.
+ If this temp holds a constant then its value is kept in VALS' element.
+ If this temp is a copy of other ones then this equivalence class'
+ representative is kept in VALS' element.
+ If this temp is neither copy nor constant then corresponding VALS'
+ element is unused. */
+
+ nb_temps = s->nb_temps;
+ nb_globals = s->nb_globals;
+ memset(temps, 0, nb_temps * sizeof(struct tcg_temp_info));
+
+ nb_ops = tcg_opc_ptr - gen_opc_buf;
+ gen_args = args;
+ for (op_index = 0; op_index < nb_ops; op_index++) {
+ op = gen_opc_buf[op_index];
+ def = &tcg_op_defs[op];
+ /* Do copy propagation */
+ if (!(def->flags & (TCG_OPF_CALL_CLOBBER | TCG_OPF_SIDE_EFFECTS))) {
+ assert(op != INDEX_op_call);
+ for (i = def->nb_oargs; i < def->nb_oargs + def->nb_iargs; i++) {
+ if (temps[args[i]].state == TCG_TEMP_COPY) {
+ args[i] = temps[args[i]].val;
+ }
+ }
+ }
+
+ /* For commutative operations make constant second argument */
+ switch (op) {
+ CASE_OP_32_64(add):
+ CASE_OP_32_64(mul):
+ CASE_OP_32_64(and):
+ CASE_OP_32_64(or):
+ CASE_OP_32_64(xor):
+ if (temps[args[1]].state == TCG_TEMP_CONST) {
+ tmp = args[1];
+ args[1] = args[2];
+ args[2] = tmp;
+ }
+ break;
+ default:
+ break;
+ }
+
+ /* Simplify expression if possible. */
+ switch (op) {
+ CASE_OP_32_64(add):
+ CASE_OP_32_64(sub):
+ CASE_OP_32_64(shl):
+ CASE_OP_32_64(shr):
+ CASE_OP_32_64(sar):
+#ifdef TCG_TARGET_HAS_rot_i32
+ case INDEX_op_rotl_i32:
+ case INDEX_op_rotr_i32:
+#endif
+#ifdef TCG_TARGET_HAS_rot_i64
+ case INDEX_op_rotl_i64:
+ case INDEX_op_rotr_i64:
+#endif
+ if (temps[args[1]].state == TCG_TEMP_CONST) {
+ /* Proceed with possible constant folding. */
+ break;
+ }
+ if (temps[args[2]].state == TCG_TEMP_CONST
+ && temps[args[2]].val == 0) {
+ if ((temps[args[0]].state == TCG_TEMP_COPY
+ && temps[args[0]].val == args[1])
+ || args[0] == args[1]) {
+ args += 3;
+ gen_opc_buf[op_index] = INDEX_op_nop;
+ } else {
+ gen_opc_buf[op_index] = op_to_mov(op);
+ tcg_opt_gen_mov(gen_args, args[0], args[1],
+ nb_temps, nb_globals);
+ gen_args += 2;
+ args += 3;
+ }
+ continue;
+ }
+ break;
+ CASE_OP_32_64(mul):
+ if ((temps[args[2]].state == TCG_TEMP_CONST
+ && temps[args[2]].val == 0)) {
+ gen_opc_buf[op_index] = op_to_movi(op);
+ tcg_opt_gen_movi(gen_args, args[0], 0, nb_temps, nb_globals);
+ args += 3;
+ gen_args += 2;
+ continue;
+ }
+ break;
+ CASE_OP_32_64(or):
+ CASE_OP_32_64(and):
+ if (args[1] == args[2]) {
+ if (args[1] == args[0]) {
+ args += 3;
+ gen_opc_buf[op_index] = INDEX_op_nop;
+ } else {
+ gen_opc_buf[op_index] = op_to_mov(op);
+ tcg_opt_gen_mov(gen_args, args[0], args[1], nb_temps,
+ nb_globals);
+ gen_args += 2;
+ args += 3;
+ }
+ continue;
+ }
+ break;
+ }
+
+ /* Propagate constants through copy operations and do constant
+ folding. Constants will be substituted to arguments by register
+ allocator where needed and possible. Also detect copies. */
+ switch (op) {
+ CASE_OP_32_64(mov):
+ if ((temps[args[1]].state == TCG_TEMP_COPY
+ && temps[args[1]].val == args[0])
+ || args[0] == args[1]) {
+ args += 2;
+ gen_opc_buf[op_index] = INDEX_op_nop;
+ break;
+ }
+ if (temps[args[1]].state != TCG_TEMP_CONST) {
+ tcg_opt_gen_mov(gen_args, args[0], args[1],
+ nb_temps, nb_globals);
+ gen_args += 2;
+ args += 2;
+ break;
+ }
+ /* Source argument is constant. Rewrite the operation and
+ let movi case handle it. */
+ op = op_to_movi(op);
+ gen_opc_buf[op_index] = op;
+ args[1] = temps[args[1]].val;
+ /* fallthrough */
+ CASE_OP_32_64(movi):
+ tcg_opt_gen_movi(gen_args, args[0], args[1], nb_temps, nb_globals);
+ gen_args += 2;
+ args += 2;
+ break;
+ CASE_OP_32_64(not):
+#ifdef TCG_TARGET_HAS_ext8s_i32
+ case INDEX_op_ext8s_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext8s_i64
+ case INDEX_op_ext8s_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext16s_i32
+ case INDEX_op_ext16s_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext16s_i64
+ case INDEX_op_ext16s_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext8u_i32
+ case INDEX_op_ext8u_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext8u_i64
+ case INDEX_op_ext8u_i64:
+#endif
+#ifdef TCG_TARGET_HAS_ext16u_i32
+ case INDEX_op_ext16u_i32:
+#endif
+#ifdef TCG_TARGET_HAS_ext16u_i64
+ case INDEX_op_ext16u_i64:
+#endif
+#if TCG_TARGET_REG_BITS == 64
+ case INDEX_op_ext32s_i64:
+ case INDEX_op_ext32u_i64:
+#endif
+ if (temps[args[1]].state == TCG_TEMP_CONST) {
+ gen_opc_buf[op_index] = op_to_movi(op);
+ tmp = do_constant_folding(op, temps[args[1]].val, 0);
+ tcg_opt_gen_movi(gen_args, args[0], tmp, nb_temps, nb_globals);
+ gen_args += 2;
+ args += 2;
+ break;
+ } else {
+ reset_temp(args[0], nb_temps, nb_globals);
+ gen_args[0] = args[0];
+ gen_args[1] = args[1];
+ gen_args += 2;
+ args += 2;
+ break;
+ }
+ CASE_OP_32_64(add):
+ CASE_OP_32_64(sub):
+ CASE_OP_32_64(mul):
+ CASE_OP_32_64(or):
+ CASE_OP_32_64(and):
+ CASE_OP_32_64(xor):
+ CASE_OP_32_64(shl):
+ CASE_OP_32_64(shr):
+ CASE_OP_32_64(sar):
+#ifdef TCG_TARGET_HAS_rot_i32
+ case INDEX_op_rotl_i32:
+ case INDEX_op_rotr_i32:
+#endif
+#ifdef TCG_TARGET_HAS_rot_i64
+ case INDEX_op_rotl_i64:
+ case INDEX_op_rotr_i64:
+#endif
+ if (temps[args[1]].state == TCG_TEMP_CONST
+ && temps[args[2]].state == TCG_TEMP_CONST) {
+ gen_opc_buf[op_index] = op_to_movi(op);
+ tmp = do_constant_folding(op, temps[args[1]].val,
+ temps[args[2]].val);
+ tcg_opt_gen_movi(gen_args, args[0], tmp, nb_temps, nb_globals);
+ gen_args += 2;
+ args += 3;
+ break;
+ } else {
+ reset_temp(args[0], nb_temps, nb_globals);
+ gen_args[0] = args[0];
+ gen_args[1] = args[1];
+ gen_args[2] = args[2];
+ gen_args += 3;
+ args += 3;
+ break;
+ }
+ case INDEX_op_call:
+ nb_call_args = (args[0] >> 16) + (args[0] & 0xffff);
+ if (!(args[nb_call_args + 1] & (TCG_CALL_CONST | TCG_CALL_PURE))) {
+ for (i = 0; i < nb_globals; i++) {
+ reset_temp(i, nb_temps, nb_globals);
+ }
+ }
+ for (i = 0; i < (args[0] >> 16); i++) {
+ reset_temp(args[i + 1], nb_temps, nb_globals);
+ }
+ i = nb_call_args + 3;
+ while (i) {
+ *gen_args = *args;
+ args++;
+ gen_args++;
+ i--;
+ }
+ break;
+ case INDEX_op_set_label:
+ case INDEX_op_jmp:
+ case INDEX_op_br:
+ CASE_OP_32_64(brcond):
+ memset(temps, 0, nb_temps * sizeof(struct tcg_temp_info));
+ for (i = 0; i < def->nb_args; i++) {
+ *gen_args = *args;
+ args++;
+ gen_args++;
+ }
+ break;
+ default:
+ /* Default case: we do know nothing about operation so no
+ propagation is done. We only trash output args. */
+ for (i = 0; i < def->nb_oargs; i++) {
+ reset_temp(args[i], nb_temps, nb_globals);
+ }
+ for (i = 0; i < def->nb_args; i++) {
+ gen_args[i] = args[i];
+ }
+ args += def->nb_args;
+ gen_args += def->nb_args;
+ break;
+ }
+ }
+
+ return gen_args;
+}
+
+TCGArg *tcg_optimize(TCGContext *s, uint16_t *tcg_opc_ptr,
+ TCGArg *args, TCGOpDef *tcg_op_defs)
+{
+ TCGArg *res;
+ res = tcg_constant_folding(s, tcg_opc_ptr, args, tcg_op_defs);
+ return res;
+}
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-04-29 20:52:21 +0200