[Bug target/24419] ix86 prologue clobbers memory when it shouldn't

2012-01-10 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24419 Richard Guenther changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|

[Bug target/24419] ix86 prologue clobbers memory when it shouldn't

2009-02-22 Thread hjl dot tools at gmail dot com
--- Comment #19 from hjl dot tools at gmail dot com 2009-02-22 16:52 --- Created an attachment (id=17343) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17343&action=view) The current patch for gcc 4.4.0 revision 144367 -- hjl dot tools at gmail dot com changed: Wha

[Bug target/24419] ix86 prologue clobbers memory when it shouldn't

2009-02-22 Thread steven at gcc dot gnu dot org
--- Comment #18 from steven at gcc dot gnu dot org 2009-02-22 16:38 --- Orphaned bug. HJ? -- steven at gcc dot gnu dot org changed: What|Removed |Added Status

[Bug target/24419] ix86 prologue clobbers memory when it shouldn't

2006-01-17 Thread hjl at lucon dot org
--- Comment #17 from hjl at lucon dot org 2006-01-18 00:58 --- An updated patch is posted at http://gcc.gnu.org/ml/gcc-patches/2006-01/msg01061.html -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24419

[Bug target/24419] ix86 prologue clobbers memory when it shouldn't

2006-01-17 Thread pinskia at gcc dot gnu dot org
--- Comment #16 from pinskia at gcc dot gnu dot org 2006-01-18 00:35 --- What seems the resolution of this bug, from what I gather from RTH, this is not a bug. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24419

[Bug target/24419] ix86 prologue clobbers memory when it shouldn't

2005-10-18 Thread hjl at lucon dot org
--- Comment #15 from hjl at lucon dot org 2005-10-19 04:06 --- An updated patch is posted at http://gcc.gnu.org/ml/gcc-patches/2005-10/msg01107.html -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24419

[Bug target/24419] ix86 prologue clobbers memory when it shouldn't

2005-10-18 Thread hjl at lucon dot org
--- Comment #14 from hjl at lucon dot org 2005-10-18 19:38 --- Created an attachment (id=10023) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=10023&action=view) A patch This is the patch I am testing. It seems to fix my problem. I am running the full bootstrap and check on Linux/i

[Bug target/24419] ix86 prologue clobbers memory when it shouldn't

2005-10-18 Thread jh at suse dot cz
--- Comment #13 from jh at suse dot cz 2005-10-18 18:29 --- Subject: Re: ix86 prologue clobbers memory when it shouldn't > > > --- Comment #12 from hjl at lucon dot org 2005-10-18 18:26 --- > There is another issue when converting stack additions to pop: > > (define_peephol

[Bug target/24419] ix86 prologue clobbers memory when it shouldn't

2005-10-18 Thread hjl at lucon dot org
--- Comment #12 from hjl at lucon dot org 2005-10-18 18:26 --- There is another issue when converting stack additions to pop: (define_peephole2 [(match_scratch:SI 0 "r") (parallel [(set (reg:SI SP_REG) (plus:SI (reg:SI SP_REG) (const_int 4))) (clobber (reg:CC FLAGS_RE

[Bug target/24419] ix86 prologue clobbers memory when it shouldn't

2005-10-18 Thread hjl at lucon dot org
--- Comment #11 from hjl at lucon dot org 2005-10-18 18:23 --- The change looks reasonable. I will check it out. But I still don't like pro_epilogue_adjust_stack doesn't tell the truth about if memory is clobbered. Why not do something like --- gcc/config/i386/i386.c.stack2005-1

[Bug target/24419] ix86 prologue clobbers memory when it shouldn't

2005-10-18 Thread jh at suse dot cz
--- Comment #10 from jh at suse dot cz 2005-10-18 18:17 --- Subject: Re: ix86 prologue clobbers memory when it shouldn't > > > --- Comment #9 from hjl at lucon dot org 2005-10-18 17:50 --- > We only run into the problem with red zone enabled, which is x86-64. We have > 2 iss

[Bug target/24419] ix86 prologue clobbers memory when it shouldn't

2005-10-18 Thread hjl at lucon dot org
--- Comment #9 from hjl at lucon dot org 2005-10-18 17:50 --- We only run into the problem with red zone enabled, which is x86-64. We have 2 issues: 1. When prologue uses mov, memory shouldn't be clobbered. But ix86_expand_prologue calls pro_epilogue_adjust_stack which clobbers memory.

[Bug target/24419] ix86 prologue clobbers memory when it shouldn't

2005-10-18 Thread jh at suse dot cz
--- Comment #8 from jh at suse dot cz 2005-10-18 17:41 --- Subject: Re: ix86 prologue clobbers memory when it shouldn't > > > --- Comment #7 from hjl at lucon dot org 2005-10-18 17:33 --- > We are working on ix86 optimization and run into this problem. The patch quoted on b

[Bug target/24419] ix86 prologue clobbers memory when it shouldn't

2005-10-18 Thread hjl at lucon dot org
--- Comment #7 from hjl at lucon dot org 2005-10-18 17:33 --- We are working on ix86 optimization and run into this problem. -- hjl at lucon dot org changed: What|Removed |Added --