* RFA: Fix match_scratch bug in define_subst
@ 2021-05-16 13:11 Joern Rennecke
2021-05-27 12:05 ` Richard Sandiford
0 siblings, 1 reply; 2+ messages in thread
From: Joern Rennecke @ 2021-05-16 13:11 UTC (permalink / raw)
To: GCC Patches
[-- Attachment #1: Type: text/plain, Size: 37 bytes --]
Bootstrapped on x86_64-pc-linux-gnu.
[-- Attachment #2: define-subst-patch.txt --]
[-- Type: text/plain, Size: 627 bytes --]
2020-12-10 Joern Rennecke <joern.rennecke@embecosm.com>
Fix bug in the define_subst handling that made match_scratch unusable for
multi-alternative patterns.
diff --git a/gcc/gensupport.c b/gcc/gensupport.c
index e1ca06dbc1e..4022c661adb 100644
--- a/gcc/gensupport.c
+++ b/gcc/gensupport.c
@@ -1291,6 +1291,9 @@ alter_constraints (rtx pattern, int n_dup, constraints_handler_t alter)
case MATCH_OPERAND:
XSTR (pattern, 2) = alter (XSTR (pattern, 2), n_dup);
break;
+ case MATCH_SCRATCH:
+ XSTR (pattern, 1) = alter (XSTR (pattern, 1), n_dup);
+ break;
default:
break;
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: RFA: Fix match_scratch bug in define_subst
2021-05-16 13:11 RFA: Fix match_scratch bug in define_subst Joern Rennecke
@ 2021-05-27 12:05 ` Richard Sandiford
0 siblings, 0 replies; 2+ messages in thread
From: Richard Sandiford @ 2021-05-27 12:05 UTC (permalink / raw)
To: Joern Rennecke; +Cc: GCC Patches
Joern Rennecke <joern.rennecke@embecosm.com> writes:
> Bootstrapped on x86_64-pc-linux-gnu.
>
> 2020-12-10 Joern Rennecke <joern.rennecke@embecosm.com>
>
> Fix bug in the define_subst handling that made match_scratch unusable for
> multi-alternative patterns.
OK, and sorry for the slow response.
The changelog won't pass, but I'll leave you to negotiate that with the
commit hook. :-)
Thanks,
Richard
>
> diff --git a/gcc/gensupport.c b/gcc/gensupport.c
> index e1ca06dbc1e..4022c661adb 100644
> --- a/gcc/gensupport.c
> +++ b/gcc/gensupport.c
> @@ -1291,6 +1291,9 @@ alter_constraints (rtx pattern, int n_dup, constraints_handler_t alter)
> case MATCH_OPERAND:
> XSTR (pattern, 2) = alter (XSTR (pattern, 2), n_dup);
> break;
> + case MATCH_SCRATCH:
> + XSTR (pattern, 1) = alter (XSTR (pattern, 1), n_dup);
> + break;
>
> default:
> break;
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2021-05-27 12:05 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-05-16 13:11 RFA: Fix match_scratch bug in define_subst Joern Rennecke
2021-05-27 12:05 ` Richard Sandiford
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).