> On May 18, 2016, at 10:38 PM, Robert Yang <liezhi.y...@windriver.com> wrote:
>
>
>
> On 05/19/2016 01:28 PM, Khem Raj wrote:
>>
>>> On May 18, 2016, at 8:16 PM, Gary Thomas <g...@mlbassoc.com> wrote:
>>>
>>> On 2016-05-18 22:07, Khem Raj wrote:
>>>> On Wed, May 18, 2016 at 2:03 AM, Robert Yang <liezhi.y...@windriver.com>
>>>> wrote:
>>>>> * It doesn't build on armv4:
>>>>> {standard input}: Assembler messages:
>>>>> {standard input}:52: Error: selected processor does not support `blx
>>>>> llint_throw_stack_overflow_error' in ARM mode
>>>>> {standard input}:126: Error: selected processor does not support `bkpt
>>>>> #0' in ARM mode
>>>>> {standard input}:128: Error: selected processor does not support `blx r0'
>>>>> in ARM mode
>>>>> {standard input}:134: Error: selected processor does not support `bkpt
>>>>> #0' in ARM mode
>>>>> {standard input}:185: Error: selected processor does not support `blx
>>>>> llint_throw_stack_overflow_error' in ARM mode
>>>>> {standard input}:256: Error: selected processor does not support `blx r4'
>>>>> in ARM mode
>>>>> {standard input}:310: Error: selected processor does not support `movw
>>>>> r2,#:lower16:.Lllint_op_enter-.LrelativePCBase' in ARM mode
>>>>> {standard input}:311: Error: selected processor does not support `movt
>>>>> r2,#:upper16:.Lllint_op_enter-.LrelativePCBase' in ARM mode
>>>>> {standard input}:315: Error: selected processor does not support `movw
>>>>> r2,#:lower16:.Lllint_op_get_scope-.LrelativePCBase' in ARM mode
>>>>> {standard input}:316: Error: selected processor does not support `movt
>>>>> r2,#:upper16:.Lllint_op_get_scope-.LrelativePCBase' in ARM mode
>>>>> [snip]
>>>>>
>>>>> * It can build on armv7a, but doesn't work on runtime, cause
>>>>> displaying problems or ephiphany hang.
>>>>>
>>>>> [YOCTO #9474]
>>>>>
>>>>> Signed-off-by: Robert Yang <liezhi.y...@windriver.com>
>>>>> ---
>>>>> meta/recipes-sato/webkit/webkitgtk_2.12.1.bb | 7 ++++++-
>>>>> 1 file changed, 6 insertions(+), 1 deletion(-)
>>>>>
>>>>> diff --git a/meta/recipes-sato/webkit/webkitgtk_2.12.1.bb
>>>>> b/meta/recipes-sato/webkit/webkitgtk_2.12.1.bb
>>>>> index bdbcbea..23ead72 100644
>>>>> --- a/meta/recipes-sato/webkit/webkitgtk_2.12.1.bb
>>>>> +++ b/meta/recipes-sato/webkit/webkitgtk_2.12.1.bb
>>>>> @@ -62,9 +62,14 @@ EXTRA_OECMAKE = " \
>>>>> EXTRA_OECMAKE_append_powerpc = " -DENABLE_JIT=OFF "
>>>>> EXTRA_OECMAKE_append_powerpc64 = " -DENABLE_JIT=OFF "
>>>>>
>>>>> -# ARM JIT code does not build on ARMv5/6 anymore, apparently they test
>>>>> only on v7 onwards
>>>>> +# ARM JIT code does not build on ARMv4/5/6 anymore
>>>>> EXTRA_OECMAKE_append_armv5 = " -DENABLE_JIT=OFF "
>>>>> EXTRA_OECMAKE_append_armv6 = " -DENABLE_JIT=OFF "
>>>>> +EXTRA_OECMAKE_append_armv4 = " -DENABLE_JIT=OFF "
>>>>> +
>>>>> +# ARM JIT can build on armv7a, but doesnt' work on runtime, cause
>>>>> +# displaying problems or ephiphany hang.
>>>>> +EXTRA_OECMAKE_append_armv7a = " -DENABLE_JIT=OFF "
>>>>
>>>> this should work fine with thumb2 e.g. so this is a little broad brush
>>>> here to diable it across
>>>> all armv7
>>>
>>> Why do you think that changing the instruction set (to thumb2) would
>>> make the JIT work any better?
>>
>> Assembler implementation for JIT has always worked better with thumb2.
>>
>>>
>>> If you tell me how, I'll test it on my i.MX6 (Cortex-A9) which is
>>> the platform that inspired the original bug report.
>>
>>
>> Try adding
>>
>> ARM_INSTRUCTION_SET_armv7a = “thumb"
>> ARM_INSTRUCTION_SET_armv7ve = “thumb"
>>
>> in the webkitgtk recipe and see if it helps
>
>
> Hi,
>
> To be clear, webkitgtk can build on armv7a, but doesn't work on
> runtime, cause displaying problems or ephiphany hang.We are talking runtime here.
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