On Jun 22, 2012, at 5:04 PM, Richard Henderson wrote: > On 06/21/2012 12:48 AM, Tristan Gingold wrote: >> 2012-06-18 Tristan Gingold <ging...@adacore.com> >> >> * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ... >> (seh_cfa_adjust_cfa): ... that function. >> (seh_emit_stackalloc): Do not emit out of range values. >> * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE, >> UNSPEC_DEF_CFA constants. >> * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define. >> * config/i386/i386.c (ix86_frame_pointer_required): Required >> for very large frames on SEH target. >> (ix86_compute_frame_layout): Save area is before frame pointer >> on SEH target. Handle very large frames. >> (ix86_expand_prologue): Likewise. > > Ok.
I propose to backport it to the gcc 4.7 branch, as it fixes two issues: incorrect unwind info emitted and support of setjmp. Is it Ok ? Tristan.