Posting the ChangeLog before pushing.
--
gcc/ChangeLog:
* ifcvt.c (noce_convert_multiple_sets_1): New function.
(noce_convert_multiple_sets): Call function a second time if we can
improve the first try.
On 12/10/2021 8:06 AM, Robin Dapp wrote:
Hi Jeff,
I'd generally prefer to refactor the bits between the restart label and
the goto restart into a function and call it twice, passing in the
additional bits to allow for better costing. Can you look into that?
If it's going to be major surgery
Hi Jeff,
> I'd generally prefer to refactor the bits between the restart label and
> the goto restart into a function and call it twice, passing in the
> additional bits to allow for better costing. Can you look into that?
> If it's going to be major surgery, then the goto approach will be OK
On 12/6/2021 11:43 AM, Robin Dapp via Gcc-patches wrote:
If one of the to-be-converted SETs requires the original comparison
(i.e. in order to generate a min/max insn) but no other insn after it
does, we can omit creating temporaries, thus facilitating costing.
---
gcc/ifcvt.c | 33 +
If one of the to-be-converted SETs requires the original comparison
(i.e. in order to generate a min/max insn) but no other insn after it
does, we can omit creating temporaries, thus facilitating costing.
---
gcc/ifcvt.c | 33 +++--
1 file changed, 31 insertions(+), 2 d
