This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/54236] [SH] Improve addc and subc insn utilization
- From: "olegendo at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 16 Aug 2012 23:19:51 +0000
- Subject: [Bug target/54236] [SH] Improve addc and subc insn utilization
- Auto-submitted: auto-generated
- References: <bug-54236-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54236
--- Comment #1 from Oleg Endo <olegendo at gcc dot gnu.org> 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): Add commutative modifier.
(*addc, *minus_plus_one, *subc, *negc): New insns and splits.
PR target/54236
* gcc.target/sh/pr54236-1.c: New.
Added:
trunk/gcc/testsuite/gcc.target/sh/pr54236-1.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/sh/sh.md
trunk/gcc/testsuite/ChangeLog