As there does not seems to be a consolidated list of conferences for High-Level Synthesis I've decided to create my own. So, without further ado:

Date Deadline Conference Location
    FMCAD 2006  
27 - 29 Jul 2006 17,24 Mar 2006 MEMOCODE 2006 Napa Valley, CA, USA
11-15 Feb 2006 11,18 Jul 2005 HPCA XII (2006) Austin, TX, USA
Oct 2006 Feb/Mar, 2006. ASPLOS 2006 San Jose, CA, USA
3 Feb 2006 15 Dec 2005 BARC 2006 Kingston, RI, USA
25 Mar - 2 Apr 2006 7,14 Oct 2005 ETAPS 2006 Vienna, Austria
12-16 Nov 2005 1,8 May 2005 MICRO 38 Barcelona, Spain
19-21 Sep 2005 11,18 Apr 2005 CODES-ISSS New York City, NY, USA
6-10 Nov 2005 20 Apr 2005 ICCAD 2005 San Jose, CA, USA
3-6 Oct 2005 29 Mar 2005 CHARME 2005 Saarbrücken, Germany
2-5 Oct 2005 6 May 2005 ICCD 2005 San Jose, CA, USA
26-28 Sep 2005 13 Apr 2005 ICFP 2005 Tallinn, Estonia
22-27 Jul 2005 4 Mar 2005 CADE-20 Tallinn, Estonia
13-17 Jun 2005. 22 Nov 2004 DAC 2005 Anaheim, CA, USA
4-8 Jun 2005 11,18 Nov 2004 ISCA 2005 Madison, WI, USA