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changed emit_variable_access()

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hyung-hwan 2021-11-24 02:45:28 +00:00
parent 67c9bcbbe4
commit 1712858fe9
1 changed files with 3 additions and 52 deletions
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55
lib/comp.c
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@ -746,61 +746,14 @@ static HCL_INLINE void patch_double_long_params_with_oow (hcl_t* hcl, hcl_ooi_t
#endif #endif
} }
#if 0
static int emit_indexed_variable_access (hcl_t* hcl, hcl_oow_t index, hcl_oob_t baseinst1, hcl_oob_t baseinst2, const hcl_ioloc_t* srcloc)
{
hcl_oow_t i;
hcl_fnblk_info_t* fbi;
HCL_ASSERT (hcl, hcl->c->fnblk.depth >= 0);
fbi = &hcl->c->fnblk.info[hcl->c->fnblk.depth];
/* if a temporary variable is accessed inside a block,
* use a special instruction to indicate it */
HCL_ASSERT (hcl, index < fbi->tmprcnt);
for (i = hcl->c->fnblk.depth; i >= 0; i--)
{
hcl_oow_t parent_tmprcnt;
parent_tmprcnt = (i > 0)? hcl->c->fnblk.info[i - 1].tmprcnt: 0;
if (index >= parent_tmprcnt)
{
hcl_oow_t ctx_offset, index_in_ctx;
ctx_offset = hcl->c->fnblk.depth - i;
index_in_ctx = index - parent_tmprcnt;
/* ctx_offset 0 means the current context.
* 1 means current->home.
* 2 means current->home->home.
* index_in_ctx is a relative index within the context found.
*/
if (emit_double_param_instruction(hcl, baseinst1, ctx_offset, index_in_ctx, srcloc) <= -1) return -1;
if (ctx_offset > 0)
{
fbi->access_outer = 1; /* the current function block accesses temporaries in an outer function block */
hcl->c->fnblk.info[i].accessed_by_inner = 1; /* temporaries in an outer function block is accessed by the current function block */
}
return 0;
}
}
/* THIS PART MUST NOT BE REACHED */
/* TODO: top-level... verify this. this will vary depending on how i implement the top-level and global variables... */
if (emit_single_param_instruction(hcl, baseinst2, index, srcloc) <= -1) return -1;
return 0;
}
#else
static int emit_variable_access (hcl_t* hcl, int mode, const hcl_var_info_t* vi, const hcl_ioloc_t* srcloc) static int emit_variable_access (hcl_t* hcl, int mode, const hcl_var_info_t* vi, const hcl_ioloc_t* srcloc)
{ {
static hcl_oob_t inst_map[2][3] = static hcl_oob_t inst_map[2][3] =
{ {
{ HCL_CODE_PUSH_CTXTEMPVAR_0, HCL_CODE_POP_INTO_CTXTEMPVAR_0, HCL_CODE_STORE_INTO_CTXTEMPVAR_0 }, { HCL_CODE_PUSH_CTXTEMPVAR_0, HCL_CODE_POP_INTO_CTXTEMPVAR_0, HCL_CODE_STORE_INTO_CTXTEMPVAR_0 },
/* TODO: modify INSTVAR instruction */ { HCL_CODE_PUSH_INSTVAR_0, HCL_CODE_POP_INTO_INSTVAR_0, HCL_CODE_STORE_INTO_INSTVAR_0 }
/* { HCL_CODE_PUSH_INSTVAR_0, HCL_CODE_POP_INTO_INSTVAR_0, HCL_CODE_STORE_INTO_INSTVAR_0 }, */
{ HCL_CODE_PUSH_CTXTEMPVAR_0, HCL_CODE_POP_INTO_CTXTEMPVAR_0, HCL_CODE_STORE_INTO_CTXTEMPVAR_0 },
}; };
switch (vi->type) switch (vi->type)
{ {
case VAR_INDEXED: case VAR_INDEXED:
@ -808,14 +761,12 @@ static int emit_variable_access (hcl_t* hcl, int mode, const hcl_var_info_t* vi,
case VAR_INST: case VAR_INST:
case VAR_CLASS: case VAR_CLASS:
/* TODO: this part is wrong as of now... */ HCL_ASSERT (hcl, vi->ctx_offset == 0);
return emit_double_param_instruction(hcl, inst_map[1][mode], vi->ctx_offset, vi->index_in_ctx, srcloc); return emit_single_param_instruction(hcl, inst_map[1][mode], vi->index_in_ctx, srcloc);
} }
return -1; return -1;
} }
#endif
#if 0 #if 0
static int emit_instance_variable_access (hcl_t* hcl, hcl_oow_t index, hcl_oob_t baseinst1, hcl_oob_t baseinst2, const hcl_ioloc_t* srcloc) static int emit_instance_variable_access (hcl_t* hcl, hcl_oow_t index, hcl_oob_t baseinst1, hcl_oob_t baseinst2, const hcl_ioloc_t* srcloc)