Re: [webkit-dev] Question about Floating-point operations base SH4 JIT

2012-08-02 Thread talking1239
Firstly, Thanks for your help. I find that describe() function was call only in the Interpreter::dumpRegisters function, and dumpCallFrame will call the dumpRegisters , but i cann't find the place that call the dumpCallFrame . -- BGs/Felix Shi At 2012-08-02 15:06:38,"Filip Pizlo" wrote:

Re: [webkit-dev] Question about Floating-point operations base SH4 JIT

2012-08-02 Thread Filip Pizlo
I would still suggest you look at the tag/payload ordering. If it's flipped, you'll see this error. Try using the describe() function in jsc in addition to using print(). That will do a dump of the internal structure of the JSValue. If it's flipped, then you'll know where to look. -F On A

Re: [webkit-dev] Question about Floating-point operations base SH4 JIT

2012-08-02 Thread talking1239
My platform use the little-endian. -- BGs/Felix Shi At 2012-08-02 14:51:48,"Filip Pizlo" wrote: What is the endianness of your platform? I think that the big endian code in JavaScriptCore may have rotted. This smells to me like the tag and payload getting flipped around, which might h

Re: [webkit-dev] Question about Floating-point operations base SH4 JIT

2012-08-01 Thread Filip Pizlo
What is the endianness of your platform? I think that the big endian code in JavaScriptCore may have rotted. This smells to me like the tag and payload getting flipped around, which might happen if there are parts of the code that are assuming little endian and your hardware is big endian. -F

[webkit-dev] Question about Floating-point operations base SH4 JIT

2012-08-01 Thread talking1239
Hi, I have test with follow case, and cann't get correct reslut. I find that Floating-point operations is error, and I don't know where shold start to fixed this question. so if anybody can give some information for which function i should to check. Any help explaining this would be much app