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[wasm] Intrinsics for blazor #102670

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merged 6 commits into from
Jun 19, 2024
Merged

[wasm] Intrinsics for blazor #102670

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21b68e2
Add IsNullRef/NullRef intrinsics
kg May 22, 2024
f829d7c
Checkpoint
kg May 24, 2024
71cf842
Fix the add intrinsic
kg May 28, 2024
ddd01be
Add conversion to I8 if offset is I4
BrzVlad Jun 18, 2024
a21eb46
Small cleanup
BrzVlad Jun 18, 2024
1d360ed
Fix interp PGO WBT
kg Jun 6, 2024
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44 changes: 44 additions & 0 deletions src/mono/mono/mini/interp/transform.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2252,6 +2252,50 @@ interp_handle_intrinsics (TransformData *td, MonoMethod *target_method, MonoClas
#endif
} else if (!strcmp (tm, "InitBlockUnaligned") || !strcmp (tm, "InitBlock")) {
*op = MINT_INITBLK;
} else if (!strcmp (tm, "IsNullRef")) {
#if SIZEOF_VOID_P == 4
*op = MINT_CEQ0_I4;
#else
// FIXME: No CEQ0_I8
#endif
} else if (!strcmp (tm, "NullRef")) {
#if SIZEOF_VOID_P == 4
*op = MINT_LDC_I4_0;
#else
*op = MINT_LDC_I8_0;
#endif
} else if (!strcmp (tm, "Add")) {
MonoGenericContext *ctx = mono_method_get_context (target_method);
g_assert (ctx);
g_assert (ctx->method_inst);
g_assert (ctx->method_inst->type_argc == 1);
MonoType *t = ctx->method_inst->type_argv [0];

int base_var = td->sp[-2].var,
offset_var = td->sp[-1].var,
temp, align, esize;

push_simple_type (td, STACK_TYPE_I);
temp = td->sp [-1].var;
td->sp -= 3;

// temp = (ldarg 1) mul (sizeof !!T)
esize = mono_type_size (t, &align);
g_assert (esize <= 32767);
interp_add_ins (td, MINT_MUL_P_IMM);
td->last_ins->data[0] = (gint16)esize;
interp_ins_set_sreg (td->last_ins, offset_var);
interp_ins_set_dreg (td->last_ins, temp);

// (ldarg 0) add temp
interp_add_ins (td, MINT_ADD_P);
interp_ins_set_sregs2 (td->last_ins, base_var, temp);
push_simple_type (td, STACK_TYPE_MP);
interp_ins_set_dreg (td->last_ins, td->sp [-1].var);

td->ip += 5;

return TRUE;
}
} else if (in_corlib && !strcmp (klass_name_space, "System.Runtime.CompilerServices") && !strcmp (klass_name, "RuntimeHelpers")) {
if (!strcmp (tm, "get_OffsetToStringData")) {
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