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Diffstat (limited to 'tcg/tci/tcg-target.c.inc')
-rw-r--r--tcg/tci/tcg-target.c.inc480
1 files changed, 328 insertions, 152 deletions
diff --git a/tcg/tci/tcg-target.c.inc b/tcg/tci/tcg-target.c.inc
index c79f9c32d8..ee6cdfec71 100644
--- a/tcg/tci/tcg-target.c.inc
+++ b/tcg/tci/tcg-target.c.inc
@@ -126,11 +126,9 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
     case INDEX_op_rotr_i64:
     case INDEX_op_setcond_i32:
     case INDEX_op_setcond_i64:
-        return C_O1_I2(r, r, r);
-
     case INDEX_op_deposit_i32:
     case INDEX_op_deposit_i64:
-        return C_O1_I2(r, 0, r);
+        return C_O1_I2(r, r, r);
 
     case INDEX_op_brcond_i32:
     case INDEX_op_brcond_i64:
@@ -255,16 +253,6 @@ static bool patch_reloc(tcg_insn_unit *code_ptr, int type,
     return true;
 }
 
-#if defined(CONFIG_DEBUG_TCG_INTERPRETER)
-/* Show current bytecode. Used by tcg interpreter. */
-void tci_disas(uint8_t opc)
-{
-    const TCGOpDef *def = &tcg_op_defs[opc];
-    fprintf(stderr, "TCG %s %u, %u, %u\n",
-            def->name, def->nb_oargs, def->nb_iargs, def->nb_cargs);
-}
-#endif
-
 /* Write value (native size). */
 static void tcg_out_i(TCGContext *s, tcg_target_ulong v)
 {
@@ -309,67 +297,300 @@ static void stack_bounds_check(TCGReg base, target_long offset)
     }
 }
 
-static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg1,
-                       intptr_t arg2)
+static void tcg_out_op_l(TCGContext *s, TCGOpcode op, TCGLabel *l0)
 {
     uint8_t *old_code_ptr = s->code_ptr;
 
-    stack_bounds_check(arg1, arg2);
-    if (type == TCG_TYPE_I32) {
-        tcg_out_op_t(s, INDEX_op_ld_i32);
-        tcg_out_r(s, ret);
-        tcg_out_r(s, arg1);
-        tcg_out32(s, arg2);
-    } else {
-        tcg_debug_assert(type == TCG_TYPE_I64);
+    tcg_out_op_t(s, op);
+    tci_out_label(s, l0);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+
+static void tcg_out_op_p(TCGContext *s, TCGOpcode op, void *p0)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+    tcg_out_i(s, (uintptr_t)p0);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+
+static void tcg_out_op_v(TCGContext *s, TCGOpcode op)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+
+static void tcg_out_op_ri(TCGContext *s, TCGOpcode op, TCGReg r0, int32_t i1)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+    tcg_out_r(s, r0);
+    tcg_out32(s, i1);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+
 #if TCG_TARGET_REG_BITS == 64
-        tcg_out_op_t(s, INDEX_op_ld_i64);
-        tcg_out_r(s, ret);
-        tcg_out_r(s, arg1);
-        tcg_debug_assert(arg2 == (int32_t)arg2);
-        tcg_out32(s, arg2);
-#else
-        TODO();
+static void tcg_out_op_rI(TCGContext *s, TCGOpcode op,
+                          TCGReg r0, uint64_t i1)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+    tcg_out_r(s, r0);
+    tcg_out64(s, i1);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
 #endif
-    }
+
+static void tcg_out_op_rr(TCGContext *s, TCGOpcode op, TCGReg r0, TCGReg r1)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+    tcg_out_r(s, r0);
+    tcg_out_r(s, r1);
+
     old_code_ptr[1] = s->code_ptr - old_code_ptr;
 }
 
-static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg)
+static void tcg_out_op_rrm(TCGContext *s, TCGOpcode op,
+                           TCGReg r0, TCGReg r1, TCGArg m2)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+    tcg_out_r(s, r0);
+    tcg_out_r(s, r1);
+    tcg_out32(s, m2);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+
+static void tcg_out_op_rrr(TCGContext *s, TCGOpcode op,
+                           TCGReg r0, TCGReg r1, TCGReg r2)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+    tcg_out_r(s, r0);
+    tcg_out_r(s, r1);
+    tcg_out_r(s, r2);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+
+static void tcg_out_op_rrs(TCGContext *s, TCGOpcode op,
+                           TCGReg r0, TCGReg r1, intptr_t i2)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+    tcg_out_r(s, r0);
+    tcg_out_r(s, r1);
+    tcg_debug_assert(i2 == (int32_t)i2);
+    tcg_out32(s, i2);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+
+static void tcg_out_op_rrcl(TCGContext *s, TCGOpcode op,
+                            TCGReg r0, TCGReg r1, TCGCond c2, TCGLabel *l3)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+    tcg_out_r(s, r0);
+    tcg_out_r(s, r1);
+    tcg_out8(s, c2);
+    tci_out_label(s, l3);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+
+static void tcg_out_op_rrrc(TCGContext *s, TCGOpcode op,
+                            TCGReg r0, TCGReg r1, TCGReg r2, TCGCond c3)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+    tcg_out_r(s, r0);
+    tcg_out_r(s, r1);
+    tcg_out_r(s, r2);
+    tcg_out8(s, c3);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+
+static void tcg_out_op_rrrm(TCGContext *s, TCGOpcode op,
+                            TCGReg r0, TCGReg r1, TCGReg r2, TCGArg m3)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+    tcg_out_r(s, r0);
+    tcg_out_r(s, r1);
+    tcg_out_r(s, r2);
+    tcg_out32(s, m3);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+
+static void tcg_out_op_rrrbb(TCGContext *s, TCGOpcode op, TCGReg r0,
+                             TCGReg r1, TCGReg r2, uint8_t b3, uint8_t b4)
 {
     uint8_t *old_code_ptr = s->code_ptr;
-    tcg_debug_assert(ret != arg);
+
+    tcg_out_op_t(s, op);
+    tcg_out_r(s, r0);
+    tcg_out_r(s, r1);
+    tcg_out_r(s, r2);
+    tcg_out8(s, b3);
+    tcg_out8(s, b4);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+
+static void tcg_out_op_rrrrm(TCGContext *s, TCGOpcode op, TCGReg r0,
+                             TCGReg r1, TCGReg r2, TCGReg r3, TCGArg m4)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+    tcg_out_r(s, r0);
+    tcg_out_r(s, r1);
+    tcg_out_r(s, r2);
+    tcg_out_r(s, r3);
+    tcg_out32(s, m4);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+
 #if TCG_TARGET_REG_BITS == 32
-    tcg_out_op_t(s, INDEX_op_mov_i32);
-#else
-    tcg_out_op_t(s, INDEX_op_mov_i64);
-#endif
-    tcg_out_r(s, ret);
-    tcg_out_r(s, arg);
+static void tcg_out_op_rrrr(TCGContext *s, TCGOpcode op,
+                            TCGReg r0, TCGReg r1, TCGReg r2, TCGReg r3)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+    tcg_out_r(s, r0);
+    tcg_out_r(s, r1);
+    tcg_out_r(s, r2);
+    tcg_out_r(s, r3);
+
     old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+
+static void tcg_out_op_rrrrcl(TCGContext *s, TCGOpcode op,
+                              TCGReg r0, TCGReg r1, TCGReg r2, TCGReg r3,
+                              TCGCond c4, TCGLabel *l5)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+    tcg_out_r(s, r0);
+    tcg_out_r(s, r1);
+    tcg_out_r(s, r2);
+    tcg_out_r(s, r3);
+    tcg_out8(s, c4);
+    tci_out_label(s, l5);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+
+static void tcg_out_op_rrrrrc(TCGContext *s, TCGOpcode op,
+                              TCGReg r0, TCGReg r1, TCGReg r2,
+                              TCGReg r3, TCGReg r4, TCGCond c5)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+    tcg_out_r(s, r0);
+    tcg_out_r(s, r1);
+    tcg_out_r(s, r2);
+    tcg_out_r(s, r3);
+    tcg_out_r(s, r4);
+    tcg_out8(s, c5);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+
+static void tcg_out_op_rrrrrr(TCGContext *s, TCGOpcode op,
+                              TCGReg r0, TCGReg r1, TCGReg r2,
+                              TCGReg r3, TCGReg r4, TCGReg r5)
+{
+    uint8_t *old_code_ptr = s->code_ptr;
+
+    tcg_out_op_t(s, op);
+    tcg_out_r(s, r0);
+    tcg_out_r(s, r1);
+    tcg_out_r(s, r2);
+    tcg_out_r(s, r3);
+    tcg_out_r(s, r4);
+    tcg_out_r(s, r5);
+
+    old_code_ptr[1] = s->code_ptr - old_code_ptr;
+}
+#endif
+
+static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg val, TCGReg base,
+                       intptr_t offset)
+{
+    stack_bounds_check(base, offset);
+    switch (type) {
+    case TCG_TYPE_I32:
+        tcg_out_op_rrs(s, INDEX_op_ld_i32, val, base, offset);
+        break;
+#if TCG_TARGET_REG_BITS == 64
+    case TCG_TYPE_I64:
+        tcg_out_op_rrs(s, INDEX_op_ld_i64, val, base, offset);
+        break;
+#endif
+    default:
+        g_assert_not_reached();
+    }
+}
+
+static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg)
+{
+    switch (type) {
+    case TCG_TYPE_I32:
+        tcg_out_op_rr(s, INDEX_op_mov_i32, ret, arg);
+        break;
+#if TCG_TARGET_REG_BITS == 64
+    case TCG_TYPE_I64:
+        tcg_out_op_rr(s, INDEX_op_mov_i64, ret, arg);
+        break;
+#endif
+    default:
+        g_assert_not_reached();
+    }
     return true;
 }
 
 static void tcg_out_movi(TCGContext *s, TCGType type,
-                         TCGReg t0, tcg_target_long arg)
+                         TCGReg ret, tcg_target_long arg)
 {
-    uint8_t *old_code_ptr = s->code_ptr;
-    uint32_t arg32 = arg;
-    if (type == TCG_TYPE_I32 || arg == arg32) {
-        tcg_out_op_t(s, INDEX_op_tci_movi_i32);
-        tcg_out_r(s, t0);
-        tcg_out32(s, arg32);
-    } else {
-        tcg_debug_assert(type == TCG_TYPE_I64);
+    switch (type) {
+    case TCG_TYPE_I32:
+        tcg_out_op_ri(s, INDEX_op_tci_movi_i32, ret, arg);
+        break;
 #if TCG_TARGET_REG_BITS == 64
-        tcg_out_op_t(s, INDEX_op_tci_movi_i64);
-        tcg_out_r(s, t0);
-        tcg_out64(s, arg);
-#else
-        TODO();
+    case TCG_TYPE_I64:
+        tcg_out_op_rI(s, INDEX_op_tci_movi_i64, ret, arg);
+        break;
 #endif
+    default:
+        g_assert_not_reached();
     }
-    old_code_ptr[1] = s->code_ptr - old_code_ptr;
 }
 
 static inline void tcg_out_call(TCGContext *s, const tcg_insn_unit *arg)
@@ -392,52 +613,34 @@ static inline void tcg_out_call(TCGContext *s, const tcg_insn_unit *arg)
 # define CASE_64(x)
 #endif
 
-static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
-                       const int *const_args)
+static void tcg_out_op(TCGContext *s, TCGOpcode opc,
+                       const TCGArg args[TCG_MAX_OP_ARGS],
+                       const int const_args[TCG_MAX_OP_ARGS])
 {
-    uint8_t *old_code_ptr = s->code_ptr;
-
-    tcg_out_op_t(s, opc);
-
     switch (opc) {
     case INDEX_op_exit_tb:
-        tcg_out64(s, args[0]);
+        tcg_out_op_p(s, opc, (void *)args[0]);
         break;
 
     case INDEX_op_goto_tb:
-        if (s->tb_jmp_insn_offset) {
-            /* Direct jump method. */
-            /* Align for atomic patching and thread safety */
-            s->code_ptr = QEMU_ALIGN_PTR_UP(s->code_ptr, 4);
-            s->tb_jmp_insn_offset[args[0]] = tcg_current_code_size(s);
-            tcg_out32(s, 0);
-        } else {
-            /* Indirect jump method. */
-            TODO();
-        }
+        tcg_debug_assert(s->tb_jmp_insn_offset == 0);
+        /* indirect jump method. */
+        tcg_out_op_p(s, opc, s->tb_jmp_target_addr + args[0]);
         set_jmp_reset_offset(s, args[0]);
         break;
 
     case INDEX_op_br:
-        tci_out_label(s, arg_label(args[0]));
+        tcg_out_op_l(s, opc, arg_label(args[0]));
         break;
 
     CASE_32_64(setcond)
-        tcg_out_r(s, args[0]);
-        tcg_out_r(s, args[1]);
-        tcg_out_r(s, args[2]);
-        tcg_out8(s, args[3]);   /* condition */
+        tcg_out_op_rrrc(s, opc, args[0], args[1], args[2], args[3]);
         break;
 
 #if TCG_TARGET_REG_BITS == 32
     case INDEX_op_setcond2_i32:
-        /* setcond2_i32 cond, t0, t1_low, t1_high, t2_low, t2_high */
-        tcg_out_r(s, args[0]);
-        tcg_out_r(s, args[1]);
-        tcg_out_r(s, args[2]);
-        tcg_out_r(s, args[3]);
-        tcg_out_r(s, args[4]);
-        tcg_out8(s, args[5]);   /* condition */
+        tcg_out_op_rrrrrc(s, opc, args[0], args[1], args[2],
+                          args[3], args[4], args[5]);
         break;
 #endif
 
@@ -455,10 +658,7 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
     CASE_64(st32)
     CASE_64(st)
         stack_bounds_check(args[1], args[2]);
-        tcg_out_r(s, args[0]);
-        tcg_out_r(s, args[1]);
-        tcg_debug_assert(args[2] == (int32_t)args[2]);
-        tcg_out32(s, args[2]);
+        tcg_out_op_rrs(s, opc, args[0], args[1], args[2]);
         break;
 
     CASE_32_64(add)
@@ -481,26 +681,23 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
     CASE_32_64(divu)     /* Optional (TCG_TARGET_HAS_div_*). */
     CASE_32_64(rem)      /* Optional (TCG_TARGET_HAS_div_*). */
     CASE_32_64(remu)     /* Optional (TCG_TARGET_HAS_div_*). */
-        tcg_out_r(s, args[0]);
-        tcg_out_r(s, args[1]);
-        tcg_out_r(s, args[2]);
+        tcg_out_op_rrr(s, opc, args[0], args[1], args[2]);
         break;
 
     CASE_32_64(deposit)  /* Optional (TCG_TARGET_HAS_deposit_*). */
-        tcg_out_r(s, args[0]);
-        tcg_out_r(s, args[1]);
-        tcg_out_r(s, args[2]);
-        tcg_debug_assert(args[3] <= UINT8_MAX);
-        tcg_out8(s, args[3]);
-        tcg_debug_assert(args[4] <= UINT8_MAX);
-        tcg_out8(s, args[4]);
+        {
+            TCGArg pos = args[3], len = args[4];
+            TCGArg max = opc == INDEX_op_deposit_i32 ? 32 : 64;
+
+            tcg_debug_assert(pos < max);
+            tcg_debug_assert(pos + len <= max);
+
+            tcg_out_op_rrrbb(s, opc, args[0], args[1], args[2], pos, len);
+        }
         break;
 
     CASE_32_64(brcond)
-        tcg_out_r(s, args[0]);
-        tcg_out_r(s, args[1]);
-        tcg_out8(s, args[2]);           /* condition */
-        tci_out_label(s, arg_label(args[3]));
+        tcg_out_op_rrcl(s, opc, args[0], args[1], args[2], arg_label(args[3]));
         break;
 
     CASE_32_64(neg)      /* Optional (TCG_TARGET_HAS_neg_*). */
@@ -516,60 +713,47 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
     CASE_32_64(bswap16)  /* Optional (TCG_TARGET_HAS_bswap16_*). */
     CASE_32_64(bswap32)  /* Optional (TCG_TARGET_HAS_bswap32_*). */
     CASE_64(bswap64)     /* Optional (TCG_TARGET_HAS_bswap64_i64). */
-        tcg_out_r(s, args[0]);
-        tcg_out_r(s, args[1]);
+        tcg_out_op_rr(s, opc, args[0], args[1]);
         break;
 
 #if TCG_TARGET_REG_BITS == 32
     case INDEX_op_add2_i32:
     case INDEX_op_sub2_i32:
-        tcg_out_r(s, args[0]);
-        tcg_out_r(s, args[1]);
-        tcg_out_r(s, args[2]);
-        tcg_out_r(s, args[3]);
-        tcg_out_r(s, args[4]);
-        tcg_out_r(s, args[5]);
+        tcg_out_op_rrrrrr(s, opc, args[0], args[1], args[2],
+                          args[3], args[4], args[5]);
         break;
     case INDEX_op_brcond2_i32:
-        tcg_out_r(s, args[0]);
-        tcg_out_r(s, args[1]);
-        tcg_out_r(s, args[2]);
-        tcg_out_r(s, args[3]);
-        tcg_out8(s, args[4]);           /* condition */
-        tci_out_label(s, arg_label(args[5]));
+        tcg_out_op_rrrrcl(s, opc, args[0], args[1], args[2],
+                          args[3], args[4], arg_label(args[5]));
         break;
     case INDEX_op_mulu2_i32:
-        tcg_out_r(s, args[0]);
-        tcg_out_r(s, args[1]);
-        tcg_out_r(s, args[2]);
-        tcg_out_r(s, args[3]);
+        tcg_out_op_rrrr(s, opc, args[0], args[1], args[2], args[3]);
         break;
 #endif
 
     case INDEX_op_qemu_ld_i32:
     case INDEX_op_qemu_st_i32:
-        tcg_out_r(s, *args++);
-        tcg_out_r(s, *args++);
-        if (TARGET_LONG_BITS > TCG_TARGET_REG_BITS) {
-            tcg_out_r(s, *args++);
+        if (TARGET_LONG_BITS <= TCG_TARGET_REG_BITS) {
+            tcg_out_op_rrm(s, opc, args[0], args[1], args[2]);
+        } else {
+            tcg_out_op_rrrm(s, opc, args[0], args[1], args[2], args[3]);
         }
-        tcg_out_i(s, *args++);
         break;
 
     case INDEX_op_qemu_ld_i64:
     case INDEX_op_qemu_st_i64:
-        tcg_out_r(s, *args++);
-        if (TCG_TARGET_REG_BITS == 32) {
-            tcg_out_r(s, *args++);
-        }
-        tcg_out_r(s, *args++);
-        if (TARGET_LONG_BITS > TCG_TARGET_REG_BITS) {
-            tcg_out_r(s, *args++);
+        if (TCG_TARGET_REG_BITS == 64) {
+            tcg_out_op_rrm(s, opc, args[0], args[1], args[2]);
+        } else if (TARGET_LONG_BITS <= TCG_TARGET_REG_BITS) {
+            tcg_out_op_rrrm(s, opc, args[0], args[1], args[2], args[3]);
+        } else {
+            tcg_out_op_rrrrm(s, opc, args[0], args[1],
+                             args[2], args[3], args[4]);
         }
-        tcg_out_i(s, *args++);
         break;
 
     case INDEX_op_mb:
+        tcg_out_op_v(s, opc);
         break;
 
     case INDEX_op_mov_i32:  /* Always emitted via tcg_out_mov.  */
@@ -578,32 +762,24 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
     default:
         tcg_abort();
     }
-    old_code_ptr[1] = s->code_ptr - old_code_ptr;
 }
 
-static void tcg_out_st(TCGContext *s, TCGType type, TCGReg arg, TCGReg arg1,
-                       intptr_t arg2)
+static void tcg_out_st(TCGContext *s, TCGType type, TCGReg val, TCGReg base,
+                       intptr_t offset)
 {
-    uint8_t *old_code_ptr = s->code_ptr;
-
-    stack_bounds_check(arg1, arg2);
-    if (type == TCG_TYPE_I32) {
-        tcg_out_op_t(s, INDEX_op_st_i32);
-        tcg_out_r(s, arg);
-        tcg_out_r(s, arg1);
-        tcg_out32(s, arg2);
-    } else {
-        tcg_debug_assert(type == TCG_TYPE_I64);
+    stack_bounds_check(base, offset);
+    switch (type) {
+    case TCG_TYPE_I32:
+        tcg_out_op_rrs(s, INDEX_op_st_i32, val, base, offset);
+        break;
 #if TCG_TARGET_REG_BITS == 64
-        tcg_out_op_t(s, INDEX_op_st_i64);
-        tcg_out_r(s, arg);
-        tcg_out_r(s, arg1);
-        tcg_out32(s, arg2);
-#else
-        TODO();
+    case TCG_TYPE_I64:
+        tcg_out_op_rrs(s, INDEX_op_st_i64, val, base, offset);
+        break;
 #endif
+    default:
+        g_assert_not_reached();
     }
-    old_code_ptr[1] = s->code_ptr - old_code_ptr;
 }
 
 static inline bool tcg_out_sti(TCGContext *s, TCGType type, TCGArg val,