Re: stabs changes for 64 bit targets

2013-05-13 Thread Joern Rennecke
Quoting Jakub Jelinek : On Mon, May 13, 2013 at 10:45:46AM -0400, David Taylor wrote: There are problems when using current STABS debug format for 64 bit targets. Why are you considering extending STABS at this point? STABS support might very well be dropped altogether from GCC 4.9 or the nex

Re: stabs changes for 64 bit targets

2013-05-13 Thread Jakub Jelinek
On Mon, May 13, 2013 at 10:45:46AM -0400, David Taylor wrote: > There are problems when using current STABS debug format for 64 bit > targets. Why are you considering extending STABS at this point? STABS support might very well be dropped altogether from GCC 4.9 or the next release, people just sh

stabs changes for 64 bit targets

2013-05-13 Thread David Taylor
There are problems when using current STABS debug format for 64 bit targets. A STABS entry is 12 bytes: . e_strx (4 bytes) . e_type (1 byte) . e_other (1 byte) . e_desc (2 bytes) . e_value (4 bytes) Unless you have an awfully lot of debug information, 4 bytes for a string tab

Re: ARM Multilibs with --with-mode=thumb

2013-05-13 Thread gnubie gnubie
Hi Terry, Thank you very much. It was this macro that I had managed to miss: > #ifndef MULTILIB_DEFAULTS > #define MULTILIB_DEFAULTS \ > - { "marm", "mlittle-endian", "mfloat-abi=soft", > "mno-thumb-interwork", "fno-leading-underscore" } > + { "mthumb", "mlittle-endian", "mfloat-abi=soft", >

Re: -Og changes on 4.7.3?

2013-05-13 Thread Richard Biener
On Mon, May 13, 2013 at 3:03 AM, Gene Smith wrote: > Could the -Og patches for 4.8 be back-ported to 4.7.3? Or is there important > 4.8 dependencies that would make this not practicable? > > The patches to add -Og shown on gcc.patches list don't look extremely > extensive. > > This would be for pe