On Wed, May 05, 2021 at 02:19:27PM +0200, Eric Botcazou wrote:
> > At least for NOTE_INSN_BASIC_BLOCK skipping more than one might
> > be problematic, because that would mean we've skipped into a different basic
> > block and it wouldn't surprise me if split_block in that case crashed or
> > did so
> At least for NOTE_INSN_BASIC_BLOCK skipping more than one might
> be problematic, because that would mean we've skipped into a different basic
> block and it wouldn't surprise me if split_block in that case crashed or
> did something weird (if the first argument is not BLOCK_FOR_INSN of the
> sec
On Wed, May 05, 2021 at 01:21:20PM +0200, Eric Botcazou wrote:
> > I mean, can't we have just one while loop that skips over all debug insns,
> > NOTE_INSN_BASIC_BLOCK_P, NOTE_INSN_PROLOGUE_END and NOTE_INSN_FUNCTION_BEG
> > and stops on anything else, or, if we want to skip at most one of some or
> I mean, can't we have just one while loop that skips over all debug insns,
> NOTE_INSN_BASIC_BLOCK_P, NOTE_INSN_PROLOGUE_END and NOTE_INSN_FUNCTION_BEG
> and stops on anything else, or, if we want to skip at most one of some or
> all of those note kinds, do some tracking if we've already skipped
On Wed, May 05, 2021 at 01:00:35PM +0200, Eric Botcazou wrote:
> 2021-05-05 Eric Botcazou
>
> PR rtl-optimization/100411
> * cfgcleanup.c (try_crossjump_to_edge): Also skip end of prologue
> and beginning of function markers.
>
> --
> Eric Botcazou
> diff --git a/gcc/cfgcle
Hi,
this is the bootstrap failure of GCC 11 on MinGW64 configured with --enable-
tune=nocona. The bottom line is that SEH does not support CFI for epilogues
but the x86 back-end nevertheless attaches it to instructions, so we have to
filter it out and this is done by detecting the end of the pr
