Re: gcc-linaro-5.1 vs gcc-linaro-4.8

2016-01-05 Thread Jim Wilson
On Tue, Jan 5, 2016 at 6:53 PM, Rob Savoye wrote: > Is it in the 2015.11-1 release ? I found gcc-linaro-5.2-2015.11-1-rc1.tar.xz on the snapshot site. I don't see it in this release either. This seems to have identical gcc sources to the 2015-11 release, other than a patch to change the linar

Re: gcc-linaro-5.1 vs gcc-linaro-4.8

2016-01-05 Thread Rob Savoye
  Is it in the 2015.11-1 release ? - rob - Original message From: Jim Wilson Date: 01/05/2016 19:45 (GMT-07:00) To: Xiaofeng Ren Cc: linaro-toolchain@lists.linaro.org, Zhenhua Luo Subject: Re: gcc-linaro-5.1 vs gcc-linaro-4.8 On Tue, Jan 5, 2016 at 4:19 PM, Xiaofeng

RE: gcc-linaro-5.1 vs gcc-linaro-4.8

2016-01-05 Thread Xiaofeng Ren
-linaro-5.1 vs gcc-linaro-4.8 On Tue, Jan 5, 2016 at 4:19 PM, Xiaofeng Ren wrote: > Hello Jim, > Appreciate for your comments. > I will try to manually apply that patch on my side and try it. > BTW, may I know which released Linaro gcc version include that patch? Maybe > I can downloa

Re: gcc-linaro-5.1 vs gcc-linaro-4.8

2016-01-05 Thread Jim Wilson
On Tue, Jan 5, 2016 at 4:19 PM, Xiaofeng Ren wrote: > Hello Jim, > Appreciate for your comments. > I will try to manually apply that patch on my side and try it. > BTW, may I know which released Linaro gcc version include that patch? Maybe > I can download it and try it quickly. > https://gcc.g

RE: gcc-linaro-5.1 vs gcc-linaro-4.8

2016-01-05 Thread Xiaofeng Ren
-Original Message- From: Jim Wilson [mailto:jim.wil...@linaro.org] Sent: Wednesday, January 06, 2016 7:49 AM To: Xiaofeng Ren Cc: Kugan ; Bernie Ogden ; linaro-toolchain@lists.linaro.org Subject: Re: gcc-linaro-5.1 vs gcc-linaro-4.8 On Tue, Jan 5, 2016 at 5:52 AM, Xiaofeng Ren wrote

Re: gcc-linaro-5.1 vs gcc-linaro-4.8

2016-01-05 Thread Jim Wilson
On Tue, Jan 5, 2016 at 5:52 AM, Xiaofeng Ren wrote: >> Gcc-5.1: >> 40110c: 3dc00c6cldr q12, [x3,#48] >> Gcc-4.8: >> 40135c: 4cdf78afld1 {v15.4s}, [x5], #16 The ld1 and ldr instructions are effectively equivalent, they are both loading 16-byte values into f

RE: gcc-linaro-5.1 vs gcc-linaro-4.8

2016-01-05 Thread Xiaofeng Ren
t: Tuesday, January 05, 2016 6:51 PM To: Xiaofeng Ren ; Bernie Ogden Cc: linaro-toolchain@lists.linaro.org Subject: Re: gcc-linaro-5.1 vs gcc-linaro-4.8 Hi Ron, > > Following part of assembly code for fcp function: > > Gcc-5.1: > 40110c: 3dc00c6cldr

Re: gcc-linaro-5.1 vs gcc-linaro-4.8

2016-01-05 Thread Kugan
Hi Ron, > > Following part of assembly code for fcp function: > > Gcc-5.1: > 40110c: 3dc00c6cldr q12, [x3,#48] > 401110: 3dc0106bldr q11, [x3,#64] > 401114: 3dc0146aldr q10, [x3,#80] > 401118: 3dc01869ldr q9, [x3,#96

RE: gcc-linaro-5.1 vs gcc-linaro-4.8

2016-01-05 Thread Xiaofeng Ren
PM To: Xiaofeng Ren Cc: linaro-toolchain@lists.linaro.org Subject: Re: gcc-linaro-5.1 vs gcc-linaro-4.8 Hello, I'm not sure from the information below whether you have observed a performance gap, or are expecting to observe one. Have you seen a performance gap? Regards, Bernie On 5 Ja

Re: gcc-linaro-5.1 vs gcc-linaro-4.8

2016-01-05 Thread Bernie Ogden
Hello, I'm not sure from the information below whether you have observed a performance gap, or are expecting to observe one. Have you seen a performance gap? Regards, Bernie On 5 January 2016 at 10:29, Xiaofeng Ren wrote: > Hello All, > > I found one difference between gcc-linaro-5.1 vs gcc-li