[Bug rtl-optimization/19579] [3.3/3.4 regression] -march=i686 generates a bogus program for x86*

[cvs-commit at gcc dot gnu dot org]

--- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-02-10 
17:11 ---
Subject: Bug 19579

CVSROOT:/cvs/gcc
Module name:gcc
Branch: gcc-3_4-branch
Changes by: [EMAIL PROTECTED]   2005-02-10 17:11:13

Modified files:
gcc: ChangeLog ifcvt.c 
gcc/testsuite  : ChangeLog 
Added files:
gcc/testsuite/gcc.c-torture/execute: 20050124-1.c 

Log message:
PR rtl-optimization/19579
* ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
both A and B, see if they don't clobber registers the other expr uses.

* gcc.c-torture/execute/20050124-1.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcconly_with_tag=gcc-3_4-branchr1=2.2326.2.795r2=2.2326.2.796
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ifcvt.c.diff?cvsroot=gcconly_with_tag=gcc-3_4-branchr1=1.136.4.1r2=1.136.4.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcconly_with_tag=gcc-3_4-branchr1=1.3389.2.358r2=1.3389.2.359
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/execute/20050124-1.c.diff?cvsroot=gcconly_with_tag=gcc-3_4-branchr1=NONEr2=1.1.12.1



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19579

[Bug rtl-optimization/19579] [3.3/3.4 regression] -march=i686 generates a bogus program for x86*

[pinskia at gcc dot gnu dot org]

--- Additional Comments From pinskia at gcc dot gnu dot org  2005-01-26 
01:19 ---
Fixed at least on the mainline.

-- 
   What|Removed |Added

  Known to fail|3.3.4 3.3.5 3.4.0 3.4.3 |3.3.4 3.3.5 3.4.0 3.4.3
   |4.0.0   |
  Known to work|3.3.3   |3.3.3 4.0.0
Summary|[3.3/3.4/4.0 regression] -  |[3.3/3.4 regression] -
   |march=i686 generates a bogus|march=i686 generates a bogus
   |program for x86*|program for x86*


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19579