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authorEddie Hung <eddie@fpgeh.com>2019-06-14 10:32:46 -0700
committerEddie Hung <eddie@fpgeh.com>2019-06-14 10:32:46 -0700
commit627a62a797ef9e676ba9d89f53f927d0c2463585 (patch)
tree5bee8befafcb57b64ae08f0ae4db17cbaf18009d /techlibs/common
parent1656c44373dbf7375c068d5626e38a76b5a83c4d (diff)
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Make doc consistent
Diffstat (limited to 'techlibs/common')
-rw-r--r--techlibs/common/synth.cc5
1 files changed, 4 insertions, 1 deletions
diff --git a/techlibs/common/synth.cc b/techlibs/common/synth.cc
index ee2e86de9..555de9fba 100644
--- a/techlibs/common/synth.cc
+++ b/techlibs/common/synth.cc
@@ -76,7 +76,7 @@ struct SynthPass : public ScriptPass
log(" synonymous to the end of the command list.\n");
log("\n");
log(" -abc9\n");
- log(" use abc9 instead of abc\n");
+ log(" use new ABC9 flow (EXPERIMENTAL)\n");
log("\n");
log("\n");
log("The following commands are executed by this synthesis command:\n");
@@ -174,6 +174,9 @@ struct SynthPass : public ScriptPass
if (!design->full_selection())
log_cmd_error("This command only operates on fully selected designs!\n");
+ if (abc == "abc9" && !lut)
+ log_cmd_error("ABC9 flow only supported for FPGA synthesis (using '-lut' option)");
+
log_header(design, "Executing SYNTH pass.\n");
log_push();