[Bug middle-end/33970] Missed optimization using unsigned char loop variable

2007-11-06 Thread henning dot m at insightbb dot com
--- Comment #9 from henning dot m at insightbb dot com 2007-11-06 12:37 --- (In reply to comment #8) > (In reply to comment #7) > > With Mike's description in comment #6, confirmed on 4.1.2 and 4.2.2. AVR GCC > > 4.2.2 is worse than 4.1.2, in that even if sub2 is ca

[Bug middle-end/33970] Missed optimization using unsigned char loop variable

2007-11-01 Thread henning dot m at insightbb dot com
--- Comment #6 from henning dot m at insightbb dot com 2007-11-01 21:26 --- (In reply to comment #5) > Mike, can you provide additional information as to where the bug is? > This is the assembly output I get: Note that r14,r15 is being reserved for variable x when only a sing

[Bug c/33970] New: Missed optimization using unsigned char loop variable

2007-11-01 Thread henning dot m at insightbb dot com
riable Product: gcc Version: 4.1.2 Status: UNCONFIRMED Severity: enhancement Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: henning dot m at insightbb dot com GCC build triplet: WinAVR 20070525 GCC