luke
/
iverilog
mirror of https://github.com/steveicarus/iverilog.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Fix compressed assignments to concatenations. 

When loading a lval concatenation, tgt-vvp was loading the elements
in the wrong order for the %concat instruction.
This commit is contained in:
Martin Whitaker 2016-02-23 16:44:03 +00:00
parent 1a78784205
commit b77d758f19
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
tgt-vvp/stmt_assign.c
View File

@ -193,17 +193,17 @@ static void get_vec_from_lval(ivl_statement_t net, struct vec_slice_info*slices)
unsigned wid = ivl_stmt_lwidth(net); unsigned wid = ivl_stmt_lwidth(net);
cur_bit = 0; cur_bit = 0;
for (lidx = 0 ; lidx < ivl_stmt_lvals(net) ; lidx += 1) { for (lidx = ivl_stmt_lvals(net) ; lidx > 0 ; lidx -= 1) {
ivl_lval_t lval; ivl_lval_t lval;
unsigned bit_limit = wid - cur_bit; unsigned bit_limit = wid - cur_bit;
lval = ivl_stmt_lval(net, lidx); lval = ivl_stmt_lval(net, lidx-1);
if (bit_limit > ivl_lval_width(lval)) if (bit_limit > ivl_lval_width(lval))
bit_limit = ivl_lval_width(lval); bit_limit = ivl_lval_width(lval);
get_vec_from_lval_slice(lval, slices+lidx, bit_limit); get_vec_from_lval_slice(lval, slices+lidx-1, bit_limit);
if (lidx > 0) { if (cur_bit > 0) {
fprintf(vvp_out, " %%concat/vec4;\n"); fprintf(vvp_out, " %%concat/vec4;\n");
} }