On 09/22/2011 07:47 AM, Bernd Schmidt wrote:
> dwarf2cfi should be able to figure this out. I'd need to see RTL dumps
> to get an idea what's going on.
Indeed. Please CC me, Alan.
r~
On 09/22/11 16:40, Alan Modra wrote:
> The bootstrap breakage happens on libmudflap/mf-hooks1.c, compiling
> __wrap_malloc. Eliding some detail, this function starts off as
>
> void *__wrap_malloc (size_t c)
> {
> if (__mf_starting_p)
> return __real_malloc (c);
>
> The "if" is bb2, the si
On Thu, Sep 22, 2011 at 12:58:51AM +0930, Alan Modra wrote:
> I spent a little time today looking at why shrink wrap is failing to
> help on PowerPC, and it turns out that the optimization simply doesn't
> trigger that often due to prologue clobbered regs. PowerPC uses r0 as
> a temp in the prolog
