Re: [WWWDocs] Deprecate support for non-thumb ARM devices

2016-02-29 Thread Joel Sherrill
On 2/29/2016 5:37 AM, Kyrill Tkachov wrote: On 28/02/16 21:34, Joel Sherrill wrote: On February 28, 2016 3:20:24 PM CST, Gerald Pfeifer wrote: On Wed, 24 Feb 2016, Richard Earnshaw (lists) wrote: I propose to commit this patch later this week. + Support for revisions of the ARM arc

Re: [WWWDocs] Deprecate support for non-thumb ARM devices

2016-02-29 Thread Kyrill Tkachov
On 28/02/16 21:34, Joel Sherrill wrote: On February 28, 2016 3:20:24 PM CST, Gerald Pfeifer wrote: On Wed, 24 Feb 2016, Richard Earnshaw (lists) wrote: I propose to commit this patch later this week. + Support for revisions of the ARM architecture prior to ARMv4t has + been depr

Re: [WWWDocs] Deprecate support for non-thumb ARM devices

2016-02-28 Thread Joel Sherrill
On February 28, 2016 3:20:24 PM CST, Gerald Pfeifer wrote: >On Wed, 24 Feb 2016, Richard Earnshaw (lists) wrote: >> I propose to commit this patch later this week. > >+ Support for revisions of the ARM architecture prior to ARMv4t >has >+ been deprecated and will be removed in a futu

Re: [WWWDocs] Deprecate support for non-thumb ARM devices

2016-02-28 Thread Gerald Pfeifer
On Wed, 24 Feb 2016, Richard Earnshaw (lists) wrote: > I propose to commit this patch later this week. + Support for revisions of the ARM architecture prior to ARMv4t has + been deprecated and will be removed in a future GCC release. + This affects ARM6, ARM7 (but not ARM7TDMI),

Re: [WWWDocs] Deprecate support for non-thumb ARM devices

2016-02-26 Thread Richard Earnshaw (lists)
On 24/02/16 13:59, Richard Earnshaw (lists) wrote: > After discussion with the ARM port maintainers we have decided that now > is probably the right time to deprecate support for versions of the ARM > Architecture prior to ARMv4t. This will allow us to clean up some of > the code base going forwar

Re: [WWWDocs] Deprecate support for non-thumb ARM devices

2016-02-25 Thread Stefan Ring
On Thu, Feb 25, 2016 at 3:15 PM, David Brown wrote: > Great link, thanks!

Re: [WWWDocs] Deprecate support for non-thumb ARM devices

2016-02-25 Thread Stefan Ring
On Thu, Feb 25, 2016 at 3:15 PM, David Brown wrote: > The "t" is thumb, "e" means "DSP-like extensions", and I suspect the "l" > is a misprint for "j", meaning the Jazelle (Java) acceleration instructions. I doubt that as "armv5tejl" is also quite common.

Re: [WWWDocs] Deprecate support for non-thumb ARM devices

2016-02-25 Thread Richard Earnshaw (lists)
On 25/02/16 14:15, David Brown wrote: > On 25/02/16 14:32, Stefan Ring wrote: >> On Thu, Feb 25, 2016 at 10:20 AM, Richard Earnshaw (lists) >> wrote: >>> The point is to permit the compiler to use interworking compatible >>> sequences of code when generating ARM code, not to force users to use >>>

Re: [WWWDocs] Deprecate support for non-thumb ARM devices

2016-02-25 Thread David Brown
On 25/02/16 14:32, Stefan Ring wrote: > On Thu, Feb 25, 2016 at 10:20 AM, Richard Earnshaw (lists) > wrote: >> The point is to permit the compiler to use interworking compatible >> sequences of code when generating ARM code, not to force users to use >> Thumb code. The necessary instruction (BX)

Re: [WWWDocs] Deprecate support for non-thumb ARM devices

2016-02-25 Thread Richard Earnshaw (lists)
On 25/02/16 13:32, Stefan Ring wrote: > On Thu, Feb 25, 2016 at 10:20 AM, Richard Earnshaw (lists) > wrote: >> The point is to permit the compiler to use interworking compatible >> sequences of code when generating ARM code, not to force users to use >> Thumb code. The necessary instruction (BX)

Re: [WWWDocs] Deprecate support for non-thumb ARM devices

2016-02-25 Thread Stefan Ring
On Thu, Feb 25, 2016 at 10:20 AM, Richard Earnshaw (lists) wrote: > The point is to permit the compiler to use interworking compatible > sequences of code when generating ARM code, not to force users to use > Thumb code. The necessary instruction (BX) is available in armv5 and > armv5e, even thou

Re: [WWWDocs] Deprecate support for non-thumb ARM devices

2016-02-25 Thread Richard Earnshaw (lists)
On 24/02/16 17:38, Joseph Myers wrote: > On Wed, 24 Feb 2016, Richard Earnshaw (lists) wrote: > >> After discussion with the ARM port maintainers we have decided that now >> is probably the right time to deprecate support for versions of the ARM >> Architecture prior to ARMv4t. This will allow us

Re: [WWWDocs] Deprecate support for non-thumb ARM devices

2016-02-24 Thread Joseph Myers
On Wed, 24 Feb 2016, Richard Earnshaw (lists) wrote: > After discussion with the ARM port maintainers we have decided that now > is probably the right time to deprecate support for versions of the ARM > Architecture prior to ARMv4t. This will allow us to clean up some of Should this include -mar

[WWWDocs] Deprecate support for non-thumb ARM devices

2016-02-24 Thread Richard Earnshaw (lists)
After discussion with the ARM port maintainers we have decided that now is probably the right time to deprecate support for versions of the ARM Architecture prior to ARMv4t. This will allow us to clean up some of the code base going forwards by being able to assume: - Presence of half-word data ac