On Mon, Oct 10, 2016 at 03:21:31PM -0600, Jeff Law wrote:
> On 09/30/2016 04:34 AM, Segher Boessenkool wrote:
> >[ whoops, message too big, resending with the attachment compressed ]
> >
> >On Tue, Sep 27, 2016 at 03:14:51PM -0600, Jeff Law wrote:
> >>With transposition issue addressed, the only bl
On 09/30/2016 04:34 AM, Segher Boessenkool wrote:
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On Tue, Sep 27, 2016 at 03:14:51PM -0600, Jeff Law wrote:
With transposition issue addressed, the only blocker I see are some
simple testcases we can add to the suite. They d
[ whoops, message too big, resending with the attachment compressed ]
On Tue, Sep 27, 2016 at 03:14:51PM -0600, Jeff Law wrote:
> With transposition issue addressed, the only blocker I see are some
> simple testcases we can add to the suite. They don't have to be real
> extensive. And one moti
On Tue, Sep 27, 2016 at 03:14:51PM -0600, Jeff Law wrote:
> With transposition issue addressed, the only blocker I see are some
> simple testcases we can add to the suite. They don't have to be real
> extensive. And one motivating example for the list archives, ideally
> the glibc malloc case.
On 09/28/2016 03:04 AM, Segher Boessenkool wrote:
+static void
+place_prologue_for_one_component (unsigned int which, basic_block head)
+{
+ /* The block we are currently dealing with. */
+ basic_block bb = head;
+ /* Is this the first time we visit this block, i.e. have we just gone
+
On Tue, Sep 27, 2016 at 03:14:51PM -0600, Jeff Law wrote:
> On 09/23/2016 02:21 AM, Segher Boessenkool wrote:
> >--- a/gcc/function.c
> >+++ b/gcc/function.c
> >@@ -5920,9 +5920,7 @@ thread_prologue_and_epilogue_insns (void)
> > edge entry_edge = single_succ_edge (ENTRY_BLOCK_PTR_FOR_FN (cfun));
On 09/23/2016 02:21 AM, Segher Boessenkool wrote:
Deciding what blocks should run with a certain component active so that
the total cost of executing the prologues (and epilogues) is optimal, is
not a computationally feasible problem. Instead, for each basic block,
we estimate the cost of puttin
