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Add support for simple expression in darray new initializer.

This commit is contained in:
Stephen Williams 2013-10-19 13:38:21 -07:00
parent 2464582587
commit d5a0f2fc07
1 changed files with 35 additions and 1 deletions
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36
tgt-vvp/eval_object.c
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@ -95,8 +95,42 @@ static int eval_darray_new(ivl_expr_t ex)
errors += 1;
break;
}
} else if (init_expr && number_is_immediate(size_expr,32,0)) {
/* In this case, there is an init expression, the
expression is NOT an array_pattern, and the size
expression used to calculate the size of the array is
a constant. Generate an unrolled set of assignments. */
long idx;
long cnt = get_number_immediate(size_expr);
struct vector_info rvec;
unsigned wid;
switch (ivl_type_base(element_type)) {
case IVL_VT_BOOL:
wid = width_of_packed_type(element_type);
rvec = draw_eval_expr_wid(init_expr, wid, STUFF_OK_XZ);
for (idx = 0 ; idx < cnt ; idx += 1) {
fprintf(vvp_out, " %%ix/load 3, %ld, 0;\n", idx);
fprintf(vvp_out, " %%set/dar/obj 3, %u, %u;\n",
rvec.base, rvec.wid);
}
if (rvec.base >= 4) clr_vector(rvec);
break;
case IVL_VT_REAL:
draw_eval_real(init_expr);
for (idx = 0 ; idx < cnt ; idx += 1) {
fprintf(vvp_out, " %%ix/load 3, %ld, 0;\n", idx);
fprintf(vvp_out, " %%set/dar/obj/real 3;\n");
}
fprintf(vvp_out, " %%pop/real 1;\n");
break;
default:
fprintf(vvp_out, "; ERROR: Sorry, this type not supported here.\n");
errors += 1;
break;
}
} else if (init_expr) {
fprintf(vvp_out, "; ERROR: Init_expr not supported here\n");
fprintf(vvp_out, "; ERROR: Sorry, I don't know how to work with this size expr.\n");
errors += 1;
}