Spilling windowed registers in userspace is much easier, more portable,
less error-prone and equally effective as in kernel. Now that register
spilling syscall is considered obsolete in the xtensa linux kernel
replace it with CALL12 followed by series of ENTRY in libgcc.
2015-08-18 Max Filippov
On Mon, Aug 17, 2015 at 2:59 PM, Max Filippov wrote:
> 2015-08-18 Max Filippov
> libgcc/
> * config/xtensa/lib2funcs.S (__xtensa_libgcc_window_spill): Use
> CALL12 followed by series of ENTRY to spill windowed registers.
> (__xtensa_nonlocal_goto): Call __xtensa_libgcc_w
On Tue, Aug 18, 2015 at 3:50 AM, augustine.sterl...@gmail.com
wrote:
> On Mon, Aug 17, 2015 at 2:59 PM, Max Filippov wrote:
>> 2015-08-18 Max Filippov
>> libgcc/
>> * config/xtensa/lib2funcs.S (__xtensa_libgcc_window_spill): Use
>> CALL12 followed by series of ENTRY to spill wi
