| Message ID | 4EA8112E.30609@codesourcery.com |
|---|---|
| State | New |
| Headers | show |
On 26/10/11 14:54, Andrew Stubbs wrote: > On 25/10/11 15:16, Richard Earnshaw wrote: >> The difficulty on R profile is that although BE-32 mode is obsolete, >> there is a config bit that can be set to make the CPU byte-swap the >> instruction stream to make it behave largely like it is running in BE-32 >> mode. >> >> I think really we should be pushing the R-profile code towards having >> BE-8 as the default; but to do that we really need a compiler option >> that can override this behaviour (probably -mbe-[8|32]). Once we have >> that option, we can fix the compiler to prefer BE-8 as there is then a >> way to get back the legacy behaviour. > > Here's an updated patch that makes no generalizations. > > OK? > Yep R. > Andrew > > > be.patch > > > 2011-10-26 Andrew Stubbs <ams@codesourcery.com> > > gcc/ > * config/arm/bpabi.h (BE8_LINK_SPEC): Recognize generic-armv7 tuning. > > --- a/gcc/config/arm/bpabi.h > +++ b/gcc/config/arm/bpabi.h > @@ -58,6 +58,7 @@ > #define BE8_LINK_SPEC \ > " %{mbig-endian:%{march=armv7-a|mcpu=cortex-a5 \ > |mcpu=cortex-a8|mcpu=cortex-a9|mcpu=cortex-a15 \ > + |mcpu=generic-armv7-a \ > |march=armv7-m|mcpu=cortex-m3 \ > |march=armv7e-m|mcpu=cortex-m4 \ > |march=armv6-m|mcpu=cortex-m0 \
On 26/10/11 10:15, Richard Earnshaw wrote: >> Here's an updated patch that makes no generalizations. >> >> OK? >> > > Yep Committed. Andrew
2011-10-26 Andrew Stubbs <ams@codesourcery.com> gcc/ * config/arm/bpabi.h (BE8_LINK_SPEC): Recognize generic-armv7 tuning. --- a/gcc/config/arm/bpabi.h +++ b/gcc/config/arm/bpabi.h @@ -58,6 +58,7 @@ #define BE8_LINK_SPEC \ " %{mbig-endian:%{march=armv7-a|mcpu=cortex-a5 \ |mcpu=cortex-a8|mcpu=cortex-a9|mcpu=cortex-a15 \ + |mcpu=generic-armv7-a \ |march=armv7-m|mcpu=cortex-m3 \ |march=armv7e-m|mcpu=cortex-m4 \ |march=armv6-m|mcpu=cortex-m0 \