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Do not run "wreduce" in "prep -ifx"

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This commit is contained in:
Clifford Wolf 2016-06-08 12:14:32 +02:00
parent 2032e6d8e4
commit 52b0b4e31e
1 changed files with 3 additions and 2 deletions
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3
techlibs/common/prep.cc
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@ -48,7 +48,7 @@ struct PrepPass : public ScriptPass
log("\n"); log("\n");
log(" -ifx\n"); log(" -ifx\n");
log(" passed to 'proc'. uses verilog simulation behavior for verilog if/case\n"); log(" passed to 'proc'. uses verilog simulation behavior for verilog if/case\n");
log(" undef handling\n"); log(" undef handling. this also prevents 'wreduce' from being run.\n");
log("\n"); log("\n");
log(" -nordff\n"); log(" -nordff\n");
log(" passed to 'memory_dff'. prohibits merging of FFs into memory read ports\n"); log(" passed to 'memory_dff'. prohibits merging of FFs into memory read ports\n");
@ -151,6 +151,7 @@ struct PrepPass : public ScriptPass
run("opt_clean"); run("opt_clean");
run("check"); run("check");
run("opt -keepdc"); run("opt -keepdc");
if (!ifxmode)
run("wreduce"); run("wreduce");
run("memory_dff" + (help_mode ? " [-nordff]" : memory_opts)); run("memory_dff" + (help_mode ? " [-nordff]" : memory_opts));
run("opt_clean"); run("opt_clean");