Re: [PATCH 1/6] Disallow predicating the prologue

2011-04-01 Thread Bernd Schmidt
On 04/01/2011 08:59 PM, H.J. Lu wrote: > On Wed, Mar 23, 2011 at 7:45 AM, Bernd Schmidt > wrote: >> With prologues appearing in blocks other than the entry block, ifcvt can >> decide to predicate them. This is not a good idea, as dwarf2out will >> blow up trying to handle predicated frame-related

Re: [PATCH 1/6] Disallow predicating the prologue

2011-04-01 Thread H.J. Lu
On Wed, Mar 23, 2011 at 7:45 AM, Bernd Schmidt wrote: > With prologues appearing in blocks other than the entry block, ifcvt can > decide to predicate them. This is not a good idea, as dwarf2out will > blow up trying to handle predicated frame-related things. > One of your changes breaks GCC boot

Re: [PATCH 1/6] Disallow predicating the prologue

2011-03-31 Thread Jeff Law
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 03/23/11 08:45, Bernd Schmidt wrote: > With prologues appearing in blocks other than the entry block, ifcvt can > decide to predicate them. This is not a good idea, as dwarf2out will > blow up trying to handle predicated frame-related things. OK. je

[PATCH 1/6] Disallow predicating the prologue

2011-03-23 Thread Bernd Schmidt
With prologues appearing in blocks other than the entry block, ifcvt can decide to predicate them. This is not a good idea, as dwarf2out will blow up trying to handle predicated frame-related things. Bernd * ifcvt.c (cond_exec_process_insns): Disallow converting a block that conta