Re: [RFC, 4.8] Magic matching for flags clobbering and setting

2012-05-17 Thread Steven Bosscher
On Sat, Feb 11, 2012 at 1:12 AM, Richard Henderson r...@redhat.com wrote: Seeing as how Uros is starting to go down the path of cleaning up the flags handling for x86, I thought I'd go ahead and knock up the idea that I've been tossing around to help automate the process of building patterns

Re: [RFC, 4.8] Magic matching for flags clobbering and setting

2012-05-17 Thread Richard Henderson
On 05/17/12 10:59, Steven Bosscher wrote: Are you still working on this for GCC 4.8? Not actively. r~

Re: [RFC, 4.8] Magic matching for flags clobbering and setting

2012-02-23 Thread Richard Henderson
On 02/22/12 17:16, Hans-Peter Nilsson wrote: What I know is missing off the top of my head are: (2) Can't be usefully used with define_insn_and_split, and no way to tell. This problem should simply be documented in the .texi file as user error. Not sure I see the problem or the

Re: [RFC, 4.8] Magic matching for flags clobbering and setting

2012-02-22 Thread Hans-Peter Nilsson
On Fri, 10 Feb 2012, Richard Henderson wrote: Seeing as how Uros is starting to go down the path of cleaning up the flags handling for x86, I thought I'd go ahead and knock up the idea that I've been tossing around to help automate the process of building patterns that match both clobbering

Re: [RFC, 4.8] Magic matching for flags clobbering and setting

2012-02-14 Thread Paolo Bonzini
On 02/14/2012 12:52 AM, Steven Bosscher wrote: Other than that: To convert a port, there is still a lot of work to be done to define and handle the various CC modes properly (well, not for the pdp11, because it writes out 1 insn for most define_insns), but it is great not having to define all

Re: [RFC, 4.8] Magic matching for flags clobbering and setting

2012-02-13 Thread Steven Bosscher
On Sat, Feb 11, 2012 at 1:12 AM, Richard Henderson r...@redhat.com wrote: Seeing as how Uros is starting to go down the path of cleaning up the flags handling for x86, I thought I'd go ahead and knock up the idea that I've been tossing around to help automate the process of building patterns