Hi Richard,
On 2023/11/21 4:11, Richard Sandiford wrote:
Lehua Ding writes:
This patch adds a live_subreg problem to extend the original live_reg to
track the liveness of subreg. We will only try to trace speudo registers
who's mode size is a multiple of nature size and eventually a small port
Lehua Ding writes:
> This patch adds a live_subreg problem to extend the original live_reg to
> track the liveness of subreg. We will only try to trace speudo registers
> who's mode size is a multiple of nature size and eventually a small portion
> of the inside will appear to use subreg. With liv
On 11/14/23 12:18, Vladimir Makarov wrote:
On 11/14/23 03:38, Lehua Ding wrote:
This is perfectly fine, the code inside the live_subreg problem has a
branch that goes through similar logic to live_reg if it finds no
subreg inside the program. Then when the optimization level is less
than
On 11/14/23 03:38, Lehua Ding wrote:
This is perfectly fine, the code inside the live_subreg problem has a
branch that goes through similar logic to live_reg if it finds no
subreg inside the program. Then when the optimization level is less
than 2, it doesn't track the subreg. By the way,
On 11/14/23 04:03, Richard Biener wrote:
I suggest you farm bugzilla for the compile-time-hog / memory-hog testcases.
I do have a set of "large" testcases. Scanning results points at
PRs 36262, 37448, 39326, 69609 all having RA in the 20% area at
-O0 -g.
It's also a good idea to take say cc1
On Tue, Nov 14, 2023 at 9:38 AM Lehua Ding wrote:
>
>
>
> On 2023/11/14 16:14, Richard Biener wrote:
> > On Mon, Nov 13, 2023 at 11:39 PM Vladimir Makarov
> > wrote:
> >>
> >>
> >> On 11/12/23 07:08, Lehua Ding wrote:
> >>> This patch adds a live_subreg problem to extend the original live_reg to
On 2023/11/14 16:14, Richard Biener wrote:
On Mon, Nov 13, 2023 at 11:39 PM Vladimir Makarov wrote:
On 11/12/23 07:08, Lehua Ding wrote:
This patch adds a live_subreg problem to extend the original live_reg to
track the liveness of subreg. We will only try to trace speudo registers
who's
On Mon, Nov 13, 2023 at 11:39 PM Vladimir Makarov wrote:
>
>
> On 11/12/23 07:08, Lehua Ding wrote:
> > This patch adds a live_subreg problem to extend the original live_reg to
> > track the liveness of subreg. We will only try to trace speudo registers
> > who's mode size is a multiple of nature
On 11/12/23 07:08, Lehua Ding wrote:
This patch adds a live_subreg problem to extend the original live_reg to
track the liveness of subreg. We will only try to trace speudo registers
who's mode size is a multiple of nature size and eventually a small portion
of the inside will appear to use sub
This patch adds a live_subreg problem to extend the original live_reg to
track the liveness of subreg. We will only try to trace speudo registers
who's mode size is a multiple of nature size and eventually a small portion
of the inside will appear to use subreg. With live_reg problem, live_subreg
p
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