diff options
| author | Eddie Hung <eddie@fpgeh.com> | 2020-02-19 11:09:37 -0800 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2020-02-19 11:09:37 -0800 |
| commit | ea4bd161b68cda30b5300b9275ebc0723896be02 (patch) | |
| tree | 2c4b3914ce93bb115ac38fb2029bdc9fd445088b /frontends | |
| parent | 1d401a7991f4c0f133b7355acc400132da1aa4a0 (diff) | |
| download | yosys-ea4bd161b68cda30b5300b9275ebc0723896be02.tar.gz yosys-ea4bd161b68cda30b5300b9275ebc0723896be02.tar.bz2 yosys-ea4bd161b68cda30b5300b9275ebc0723896be02.zip | |
verilog: add support for more delays than just rise/fall
Diffstat (limited to 'frontends')
| -rw-r--r-- | frontends/verilog/verilog_parser.y | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/frontends/verilog/verilog_parser.y b/frontends/verilog/verilog_parser.y index dc8f39e8d..dc58acdb0 100644 --- a/frontends/verilog/verilog_parser.y +++ b/frontends/verilog/verilog_parser.y @@ -995,7 +995,46 @@ specify_rise_fall: $$->fall = *$4; delete $2; delete $4; - }; + } | + '(' specify_triple ',' specify_triple ',' specify_triple ')' { + $$ = new specify_rise_fall; + $$->rise = *$2; + $$->fall = *$4; + delete $2; + delete $4; + delete $6; + log_file_warning(current_filename, get_line_num(), "Path delay expressions beyond rise/fall not currently supported. Ignoring.\n"); + } | + '(' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ')' { + $$ = new specify_rise_fall; + $$->rise = *$2; + $$->fall = *$4; + delete $2; + delete $4; + delete $6; + delete $8; + delete $10; + delete $12; + log_file_warning(current_filename, get_line_num(), "Path delay expressions beyond rise/fall not currently supported. Ignoring.\n"); + } | + '(' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ',' specify_triple ')' { + $$ = new specify_rise_fall; + $$->rise = *$2; + $$->fall = *$4; + delete $2; + delete $4; + delete $6; + delete $8; + delete $10; + delete $12; + delete $14; + delete $16; + delete $18; + delete $20; + delete $22; + delete $24; + log_file_warning(current_filename, get_line_num(), "Path delay expressions beyond rise/fall not currently supported. Ignoring.\n"); + } specify_triple: expr { |