https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #20 from Oleg Endo ---
Thanks for the reminder. The issue hasn't been fully resolved. Please leave
this PR open. This will be helpful when getting back to the issue.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
--- Comment #19
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #18 from Oleg Endo ---
Author: olegendo
Date: Thu Oct 1 12:36:15 2015
New Revision: 228332
URL: https://gcc.gnu.org/viewcvs?rev=228332&root=gcc&view=rev
Log:
gcc/testsuite/
PR target/54236
* gcc.target/sh/pr54236-6.c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #17 from Oleg Endo ---
Author: olegendo
Date: Mon Sep 28 14:00:44 2015
New Revision: 228202
URL: https://gcc.gnu.org/viewcvs?rev=228202&root=gcc&view=rev
Log:
gcc/
PR target/54236
* config/sh/predicates.md (t_reg_oper
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #16 from Oleg Endo ---
Created attachment 36012
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36012&action=edit
addsicc pattern
(In reply to Oleg Endo from comment #9)
> The following function compiled with -O2
>
> unsigned i
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #15 from Oleg Endo ---
The following shows missed subc cases when there are constants involved. Addc
cases can be constructed in the same way.
int fun (int x)
{
return x - 1 - (x > 100);
}
-O2 -m4:
mov #100,r1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #14 from Oleg Endo ---
Author: olegendo
Date: Thu May 21 12:36:35 2015
New Revision: 223479
URL: https://gcc.gnu.org/viewcvs?rev=223479&root=gcc&view=rev
Log:
gcc/
PR target/54236
* config/sh/sh.md (*round_int_even):
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #13 from Oleg Endo ---
Author: olegendo
Date: Tue May 19 08:00:41 2015
New Revision: 223346
URL: https://gcc.gnu.org/viewcvs?rev=223346&root=gcc&view=rev
Log:
gcc/
PR target/54236
* config/sh/sh.md (*round_int_even):
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #12 from Oleg Endo ---
Author: olegendo
Date: Sun May 17 21:01:29 2015
New Revision: 223274
URL: https://gcc.gnu.org/viewcvs?rev=223274&root=gcc&view=rev
Log:
gcc/
PR target/54236
* config/sh/sh.md (*addc_2r_t): Use a
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #11 from Oleg Endo ---
Author: olegendo
Date: Sun Jan 25 16:41:25 2015
New Revision: 220093
URL: https://gcc.gnu.org/viewcvs?rev=220093&root=gcc&view=rev
Log:
gcc/testsuite/
PR target/54236
* gcc.target/sh/pr54236-4.c: New.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #10 from Oleg Endo ---
Author: olegendo
Date: Sat Jan 24 13:04:53 2015
New Revision: 220081
URL: https://gcc.gnu.org/viewcvs?rev=220081&root=gcc&view=rev
Log:
gcc/
PR target/49263
PR target/53987
PR target/64345
PR ta
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #9 from Oleg Endo ---
The following function compiled with -O2
unsigned int check (unsigned int x)
{
return x == 0 ? 1 : x;
}
results in:
tst r4,r4
bt/s.L7
mov #1,r0
mov r4,r0
.L7:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #8 from Oleg Endo ---
Author: olegendo
Date: Wed May 21 08:06:06 2014
New Revision: 210682
URL: http://gcc.gnu.org/viewcvs?rev=210682&root=gcc&view=rev
Log:
gcc/
PR target/54236
* config/sh/sh.md (*addc_r_1): Rename t
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #7 from Oleg Endo ---
(In reply to Oleg Endo from comment #6)
> Created attachment 31144 [details]
> stitching addc insns
>
> The attached patch is an example that shows how widening additions can be
> stitched together. One applicat
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #6 from Oleg Endo ---
Created attachment 31144
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31144&action=edit
stitching addc insns
The attached patch is an example that shows how widening additions can be
stitched together. On
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #5 from Oleg Endo ---
Created attachment 31141
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31141&action=edit
widening unsigned addition
The addc insn can also be used to implement widening 32 bit -> 64 bit unsigned
addition, a
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #4 from Oleg Endo ---
Author: olegendo
Date: Tue Oct 29 20:45:56 2013
New Revision: 204180
URL: http://gcc.gnu.org/viewcvs?rev=204180&root=gcc&view=rev
Log:
PR target/54236
* config/sh/sh.md (*addc): Rename existing variations
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #3 from Oleg Endo ---
Some more addc candidates I ran into:
int test00 (int a, int b, int c, int d)
{
return (d & 1) + a + b;
}
-O2 -m4:
mov r7,r0
and #1,r0
add r4,r0
rts
add
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #2 from Oleg Endo 2012-09-19 17:45:53
UTC ---
Author: olegendo
Date: Wed Sep 19 17:45:37 2012
New Revision: 191489
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191489
Log:
PR target/54236
* config/sh/sh.m
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #1 from Oleg Endo 2012-08-16 23:19:51
UTC ---
Author: olegendo
Date: Thu Aug 16 23:19:45 2012
New Revision: 190459
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190459
Log:
PR target/54236
* config/sh/sh.md (addc): Ad
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
Oleg Endo changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed|
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