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initial commit

This commit is contained in:
Ethan Sifferman 2023-07-28 22:22:15 -07:00
parent 999bcb6935
commit eb104a727e
3 changed files with 18 additions and 5 deletions
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6
Documentation/developer/guide/vvp/vvp.rst
View File

@ -765,13 +765,13 @@ The .ufunc statements define a call to a user defined function.
::
<label> .ufunc/real <flabel>, <wid>,
<isymbols> ( <psymbols> ) <ssymbol>;
[<isymbols> ( <psymbols> )] <ssymbol>;
<label> .ufunc/vec4 <flabel>, <wid>,
<isymbols> ( <psymbols> ) <ssymbol>;
[<isymbols> ( <psymbols> )] <ssymbol>;
<label> .ufunc/e <flabel>, <wid>, <trigger>,
<isymbols> ( <psymbols> ) <ssymbol>;
[<isymbols> ( <psymbols> )] <ssymbol>;
The first variant is used for functions that only need to be called
when one of their inputs changes value. The second variant is used

6
tgt-vvp/vvp_scope.c
View File

@ -2077,11 +2077,14 @@ static void draw_lpm_ufunc(ivl_lpm_t net)
fprintf(vvp_out, "L_%p%s .ufunc%s TD_%s, %u", net, dly, type_string,
vvp_mangle_id(ivl_scope_name(def)),
ivl_lpm_width(net));
fprintf(vvp_out, ", ");
/* Print all the net signals that connect to the input of the
function. */
for (idx = 0 ; idx < ninp ; idx += 1) {
fprintf(vvp_out, ", %s", input_strings[idx]);
fprintf(vvp_out, "%s", input_strings[idx]);
if (idx != ninp-1)
fprintf(vvp_out, ", ");
}
free(input_strings);
@ -2101,6 +2104,7 @@ static void draw_lpm_ufunc(ivl_lpm_t net)
fprintf(vvp_out, "v%p_0", psig);
}
if (ninp > 0)
fprintf(vvp_out, ")");
#if 0
/* Now print the reference to the signal from which the

9
vvp/parse.y
View File

@ -261,12 +261,21 @@ statement
| T_LABEL K_UFUNC_REAL T_SYMBOL ',' T_NUMBER ',' symbols '(' symbols ')' T_SYMBOL ';'
{ compile_ufunc_real($1, $3, $5, $7.cnt, $7.vect, $9.cnt, $9.vect, $11, 0); }
| T_LABEL K_UFUNC_REAL T_SYMBOL ',' T_NUMBER ',' T_SYMBOL ';'
{ compile_ufunc_real($1, $3, $5, 0, 0, 0, 0, $7, 0); }
| T_LABEL K_UFUNC_VEC4 T_SYMBOL ',' T_NUMBER ',' symbols '(' symbols ')' T_SYMBOL ';'
{ compile_ufunc_vec4($1, $3, $5, $7.cnt, $7.vect, $9.cnt, $9.vect, $11, 0); }
| T_LABEL K_UFUNC_VEC4 T_SYMBOL ',' T_NUMBER ',' T_SYMBOL ';'
{ compile_ufunc_vec4($1, $3, $5, 0, 0, 0, 0, $7, 0); }
| T_LABEL K_UFUNC_E T_SYMBOL ',' T_NUMBER ',' T_SYMBOL ',' symbols '(' symbols ')' T_SYMBOL ';'
{ compile_ufunc_vec4($1, $3, $5, $9.cnt, $9.vect, $11.cnt, $11.vect, $13, $7); }
| T_LABEL K_UFUNC_E T_SYMBOL ',' T_NUMBER ',' T_SYMBOL ',' T_SYMBOL ';'
{ compile_ufunc_vec4($1, $3, $5, 0, 0, 0, 0, $7, 0); }
/* Resolver statements are very much like functors. They are
compiled to functors of a different mode. */