Re: [Qemu-devel] Incorrect handling of more PPC64 insns (PATCH)

2013-05-07 Thread Torbjorn Granlund
OK, so took to reading some of translate to see how well it agrees with the PPC architecture definition. I spotted a bug with cmp, which was repeated 4 times. Somebody decided that NARROW_MODE should affect the handling of cmp instructions, which is contrary to the ISA documentation. The first h

Re: [Qemu-devel] Incorrect handling of more PPC64 insns

2013-05-07 Thread Peter Maydell
On 7 May 2013 12:48, Torbjorn Granlund wrote: > Peter Maydell writes: > On 7 May 2013 11:27, Torbjorn Granlund wrote: > > Alexander Graf writes: > > There's a certain chance that happens, yes. We don't have instruction > > test suites for the PPC target. > > > > There certainly

Re: [Qemu-devel] Incorrect handling of more PPC64 insns

2013-05-07 Thread Torbjorn Granlund
Peter Maydell writes: On 7 May 2013 11:27, Torbjorn Granlund wrote: > Alexander Graf writes: > > There's a certain chance that happens, yes. We don't have instruction > test suites for the PPC target. > > There certainly are more bugs. GMP still crashes all over the place.

Re: [Qemu-devel] Incorrect handling of more PPC64 insns

2013-05-07 Thread Peter Maydell
On 7 May 2013 11:27, Torbjorn Granlund wrote: > Alexander Graf writes: > > There's a certain chance that happens, yes. We don't have instruction > test suites for the PPC target. > > There certainly are more bugs. GMP still crashes all over the place. If you want to more seriously test the

[Qemu-devel] Incorrect handling of more PPC64 insns

2013-05-07 Thread Torbjorn Granlund
Alexander Graf writes: There's a certain chance that happens, yes. We don't have instruction test suites for the PPC target. There certainly are more bugs. GMP still crashes all over the place. I have semi-isolated one more. Extracted stand-alone sources: bug-qemu-ppc-again.c Descript