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From: "cvs-commit at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug optimization/13260] [3.4 Regression] Incorrect optimisation of loop termination condition Date: Thu, 04 Dec 2003 20:10:00 -0000 [thread overview] Message-ID: <20031204201035.27462.qmail@sources.redhat.com> (raw) In-Reply-To: <20031201154846.13260.stuart.menefy@st.com> ------- Additional Comments From cvs-commit at gcc dot gnu dot org 2003-12-04 20:10 ------- Subject: Bug 13260 CVSROOT: /cvs/gcc Module name: gcc Changes by: amylaar@gcc.gnu.org 2003-12-04 20:10:29 Modified files: gcc : ChangeLog gcc/config/sh : sh-protos.h sh.c sh.h sh.md Log message: PR optimization/13260 * sh-protos.h (sh_expand_t_scc): Declare. * sh.h (PREDICATE_CODES): Add cmpsi_operand. * sh.c (cmpsi_operand, sh_expand_t_scc): New functions. * sh.md (cmpsi): Use cmpsi_operand. If T_REG is compared to something that is not a CONST_INT, copy it into a pseudo register. (subc): Fix description of new T value. (slt, sgt, sge, sgtu): Don't clobber T after rtl generation is over. (sltu, sleu, sgeu): Likewise. (seq, sne): Likewise. Use sh_expand_t_scc. Patches: http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.1915&r2=2.1916 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/sh/sh-protos.h.diff?cvsroot=gcc&r1=1.50&r2=1.51 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/sh/sh.c.diff?cvsroot=gcc&r1=1.239&r2=1.240 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/sh/sh.h.diff?cvsroot=gcc&r1=1.227&r2=1.228 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/sh/sh.md.diff?cvsroot=gcc&r1=1.162&r2=1.163 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13260
next prev parent reply other threads:[~2003-12-04 20:10 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2003-12-01 15:48 [Bug c/13260] New: " stuart dot menefy at st dot com 2003-12-01 15:51 ` [Bug c/13260] " paolo at gcc dot gnu dot org 2003-12-01 15:59 ` [Bug optimization/13260] [3.4 Regression] " pinskia at gcc dot gnu dot org 2003-12-01 16:04 ` pinskia at gcc dot gnu dot org 2003-12-01 16:04 ` pinskia at gcc dot gnu dot org 2003-12-04 20:10 ` cvs-commit at gcc dot gnu dot org [this message] 2003-12-04 20:35 ` amylaar at gcc dot gnu dot org 2003-12-04 21:02 ` cvs-commit at gcc dot gnu dot org 2003-12-04 21:07 ` amylaar at gcc dot gnu dot org 2004-02-09 16:03 ` dank at kegel dot com
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