Re: [PATCH] ARCv2: build: use mcpu=hs38 iso generic mcpu=archs

2018-10-11 Thread Guenter Roeck
2, 2018 7:58 PM > > To: Vineet Gupta > > Cc: linux-snps-arc@lists.infradead.org; linux-ker...@vger.kernel.org > > Subject: Re: [PATCH] ARCv2: build: use mcpu=hs38 iso generic mcpu=archs > > > > Hi, > > > > On Fri, Sep 07, 2018 at 03:13:10PM -0700, Vineet Gu

RE: [PATCH] ARCv2: build: use mcpu=hs38 iso generic mcpu=archs

2018-10-11 Thread Alexey Brodkin
.org > Subject: Re: [PATCH] ARCv2: build: use mcpu=hs38 iso generic mcpu=archs > > Hi, > > On Fri, Sep 07, 2018 at 03:13:10PM -0700, Vineet Gupta wrote: > > helps gcc with better instruction selections such as 64-bit multiply MPYD > > > > before > > ---

Re: [PATCH] ARCv2: build: use mcpu=hs38 iso generic mcpu=archs

2018-10-11 Thread Guenter Roeck
Hi, On Fri, Sep 07, 2018 at 03:13:10PM -0700, Vineet Gupta wrote: > helps gcc with better instruction selections such as 64-bit multiply MPYD > > before > -- > 82c34b58 : > 82c34b58: ld r2,[0x83068d00] > 82c34b60: add_s r2,r2,0x7530 > 82c34b66: mov_s r0,0x989680 > 82c34b6

Re: [PATCH] ARCv2: build: use mcpu=hs38 iso generic mcpu=archs

2018-09-12 Thread Guenter Roeck
On Wed, Sep 12, 2018 at 05:06:25PM +, Vineet Gupta wrote: > > > > I use a toolchain based on gcc 7.3.0 and binutils 2.30. What version > > of gcc and binutils do I need for the builds to complete ? > > Hmm I have a prebuilt 2017.03 release of tools (gcc 7.1.1 based) and I don't > see > the is

Re: [PATCH] ARCv2: build: use mcpu=hs38 iso generic mcpu=archs

2018-09-12 Thread Guenter Roeck
On Wed, Sep 12, 2018 at 05:06:25PM +, Vineet Gupta wrote: > > Hmm I have a prebuilt 2017.03 release of tools (gcc 7.1.1 based) and I don't > see > the issue above when building net/core/dev.o > I presume your toolchain was built off of upstream gcc sources. Yes, using buildroot. > Can you p

Re: [PATCH] ARCv2: build: use mcpu=hs38 iso generic mcpu=archs

2018-09-12 Thread Vineet Gupta
On 09/12/2018 09:58 AM, Guenter Roeck wrote: > Hi, > > On Fri, Sep 07, 2018 at 03:13:10PM -0700, Vineet Gupta wrote: >> helps gcc with better instruction selections such as 64-bit multiply MPYD >> >> before >> -- >> 82c34b58 : >> 82c34b58:ld r2,[0x83068d00] >> 82c34b60:add_s r2,r