From 70c5444b25f18760781509104f4393b3d0a05fc0 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Fri, 20 Sep 2019 10:07:54 -0700 Subject: [PATCH] Update doc --- passes/pmgen/ice40_dsp.cc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/passes/pmgen/ice40_dsp.cc b/passes/pmgen/ice40_dsp.cc index cff4c5ddb..0b7ffe64b 100644 --- a/passes/pmgen/ice40_dsp.cc +++ b/passes/pmgen/ice40_dsp.cc @@ -288,8 +288,8 @@ struct Ice40DspPass : public Pass { log("Currently, only the 16x16 multiply mode is supported and not the 2 x 8x8 mode.\n"); log("\n"); log("Pack input registers (A, B, {C,D}; with optional hold), pipeline registers\n"); - log("({F,J,K,G}, H), output registers (O; with optional hold), and post-adder into\n"); - log("into the SB_MAC16 resource.\n"); + log("({F,J,K,G}, H), output registers (O -- full 32-bits or lower 16-bits only; with\n"); + log("optional hold), and post-adder into into the SB_MAC16 resource.\n"); log("\n"); log("Multiply-accumulate operations using the post-adder with feedback on the {C,D}\n"); log("input will be folded into the DSP. In this scenario only, resetting the\n"); -- 2.30.2