http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53448
Bug #: 53448 Summary: [avr] ignoring __attribute__((aligned(2))) Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassig...@gcc.gnu.org ReportedBy: g...@gcc.gnu.org CC: eric.wedding...@atmel.com Target: avr int var __attribute__((aligned(2))) = 1; gets compiled to .global var .data .type var, @object .size var, 2 var: .word 1 i.e. the alignment directive .p2align 1 is missing.