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[qfcc] Implement ruamoko conversion instructions

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Thanks to me having done something right 20 years ago, that was pretty
easy :). The two boolean types aren't supported yet because I haven't
decided on just how to represent their types in qfcc.
This commit is contained in:
Bill Currie 2022-01-21 10:14:14 +09:00
parent 16a203c643
commit 479ec07fd4
1 changed files with 18 additions and 0 deletions
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18
tools/qfcc/source/statements.c
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@ -1318,6 +1318,17 @@ expr_expr (sblock_t *sblock, expr_t *e, operand_t **op)
return sblock;
}
static int type_map[ev_type_count] = {
[ev_int] = 0,
[ev_float] = 1,
[ev_long] = 2,
[ev_double] = 3,
[ev_uint] = 4,
//[ev_bool32] = 5,
[ev_ulong] = 6,
//[ev_bool64] = 7,
};
static sblock_t *
expr_cast (sblock_t *sblock, expr_t *e, operand_t **op)
{
@ -1332,6 +1343,13 @@ expr_cast (sblock_t *sblock, expr_t *e, operand_t **op)
*op = temp_operand (e->e.expr.type, e);
s = new_statement (st_expr, "conv", e);
s->opa = src;
if (options.code.progsversion == PROG_VERSION) {
int from = type_map[src_type->type];
int to = type_map[type->type];
int width = type_width (src_type) - 1;
int conv = (width << 6) | (from << 3) | to;
s->opb = short_operand (conv, e);
}
s->opc = *op;
sblock_add_statement (sblock, s);
} else {