>From WinAVR bug #1860717 http://sourceforge.net/tracker/index.php?func=detail&aid=1860717&group_id=68108&atid=520074
dimmer_profile.c: In function 'DIM_action': dimmer_profile.c:26: error: could not find a spill register (insn 30 29 31 3 (set (reg:HI 24 r24 [53]) (plus:HI (zero_extend:HI (reg:QI 21 r21 [orig:41 D.1483 ] [41])) (zero_extend:HI (reg:QI 22 r22 [orig:42 D.1481 ] [42])))) 22 {*addhi3_zero_extend2} (insn_list:REG_DEP_TRUE 25 (insn_list:REG_DEP_TRUE 26 (nil))) (nil)) dimmer_profile.c:26: internal compiler error: in failed_reload, at reload1.c:5178 -- Summary: [avr] ICE in reload Product: gcc Version: 4.2.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: eric dot weddington at atmel dot com GCC host triplet: mingw GCC target triplet: avr-*-* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34932