[Bug target/56102] Wrong rtx cost calculated for Thumb1

2013-08-06 Thread amker.cheng at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56102 bin.cheng amker.cheng at gmail dot com changed: What|Removed |Added Status|NEW |RESOLVED

[Bug target/56102] Wrong rtx cost calculated for Thumb1

2013-08-05 Thread ramana at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56102 Ramana Radhakrishnan ramana at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW

[Bug target/56102] Wrong rtx cost calculated for Thumb1

2013-01-24 Thread amker.cheng at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56102 --- Comment #1 from bin.cheng amker.cheng at gmail dot com 2013-01-25 03:46:59 UTC --- I have investigated this issue. GCC uses function init_lower_subreg to initialize costs of MOVE insn with different mode, then uses this information

[Bug target/56102] Wrong rtx cost calculated for Thumb1

2013-01-24 Thread amker.cheng at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56102 --- Comment #2 from bin.cheng amker.cheng at gmail dot com 2013-01-25 07:25:34 UTC --- Created attachment 29270 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=29270 correct test case The previous test case is not appropriate,