Re: [Qemu-devel] [PULL 16/20] target/arm: Use vector infrastructure for aa64 compares

2018-04-05 Thread Richard Henderson
On 04/05/2018 03:06 PM, Thomas Huth wrote: > On 05.04.2018 02:54, Richard Henderson wrote: >> On 04/05/2018 10:07 AM, Richard Henderson wrote: >>> On 04/05/2018 02:49 AM, Emilio G. Cota wrote: 1. grab this binary: http://cs.columbia.edu/~cota/qemu/nbench-aarch64 2. run it on a Powe

Re: [Qemu-devel] [PULL 16/20] target/arm: Use vector infrastructure for aa64 compares

2018-04-04 Thread Thomas Huth
On 05.04.2018 02:54, Richard Henderson wrote: > On 04/05/2018 10:07 AM, Richard Henderson wrote: >> On 04/05/2018 02:49 AM, Emilio G. Cota wrote: >>> 1. grab this binary: >>> http://cs.columbia.edu/~cota/qemu/nbench-aarch64 >>> 2. run it on a PowerPC host with: >>> $ aarch64-linux-user/qemu-aar

Re: [Qemu-devel] [PULL 16/20] target/arm: Use vector infrastructure for aa64 compares

2018-04-04 Thread Emilio G. Cota
On Thu, Apr 05, 2018 at 10:54:46 +1000, Richard Henderson wrote: > On 04/05/2018 10:07 AM, Richard Henderson wrote: > > On 04/05/2018 02:49 AM, Emilio G. Cota wrote: > >> 1. grab this binary: > >> http://cs.columbia.edu/~cota/qemu/nbench-aarch64 > >> 2. run it on a PowerPC host with: > >> $ aar

Re: [Qemu-devel] [PULL 16/20] target/arm: Use vector infrastructure for aa64 compares

2018-04-04 Thread Richard Henderson
On 04/05/2018 10:07 AM, Richard Henderson wrote: > On 04/05/2018 02:49 AM, Emilio G. Cota wrote: >> 1. grab this binary: >> http://cs.columbia.edu/~cota/qemu/nbench-aarch64 >> 2. run it on a PowerPC host with: >> $ aarch64-linux-user/qemu-aarch64 nbench-aarch64 -V >> >> Note: the "-V" (or "-v")

Re: [Qemu-devel] [PULL 16/20] target/arm: Use vector infrastructure for aa64 compares

2018-04-04 Thread Richard Henderson
On 04/05/2018 02:49 AM, Emilio G. Cota wrote: > 1. grab this binary: > http://cs.columbia.edu/~cota/qemu/nbench-aarch64 > 2. run it on a PowerPC host with: > $ aarch64-linux-user/qemu-aarch64 nbench-aarch64 -V > > Note: the "-V" (or "-v") flag is important! Without it, there's no segfault. Ho

Re: [Qemu-devel] [PULL 16/20] target/arm: Use vector infrastructure for aa64 compares

2018-04-04 Thread Emilio G. Cota
On Wed, Apr 04, 2018 at 19:24:52 +0100, Alex Bennée wrote: > > Emilio G. Cota writes: > > > On Wed, Feb 07, 2018 at 14:55:36 -0800, Richard Henderson wrote: > >> Reviewed-by: Alex Bennée > >> Reviewed-by: Peter Maydell > >> Signed-off-by: Richard Henderson > > > > Just bisected a segfault for

Re: [Qemu-devel] [PULL 16/20] target/arm: Use vector infrastructure for aa64 compares

2018-04-04 Thread Alex Bennée
Emilio G. Cota writes: > On Wed, Feb 07, 2018 at 14:55:36 -0800, Richard Henderson wrote: >> Reviewed-by: Alex Bennée >> Reviewed-by: Peter Maydell >> Signed-off-by: Richard Henderson > > Just bisected a segfault for aarch64 nbench on a PowerPC host > to this commit (79d61de6bdc398). I've als

Re: [Qemu-devel] [PULL 16/20] target/arm: Use vector infrastructure for aa64 compares

2018-04-04 Thread Emilio G. Cota
On Wed, Feb 07, 2018 at 14:55:36 -0800, Richard Henderson wrote: > Reviewed-by: Alex Bennée > Reviewed-by: Peter Maydell > Signed-off-by: Richard Henderson Just bisected a segfault for aarch64 nbench on a PowerPC host to this commit (79d61de6bdc398). I've also tested on x86_64 and aarch64 hosts