Re: [Qemu-devel] sparc crash on delayed control-transfer couples

2018-02-14 Thread Mark Cave-Ayland
On 13/02/18 21:01, Steven Seeger wrote: Consider the following code: 0x100 cmp %g5, 3 0x104 be 0x200 0x108 b 0x300 I believe this is what is described on page 55 of the sparc v8 manual as unpredictable behavior, where a Bicc precedes an unconditional branch. QEMU actually crashes

[Qemu-devel] sparc crash on delayed control-transfer couples

2018-02-13 Thread Steven Seeger
Consider the following code: 0x100 cmp %g5, 3 0x104 be 0x200 0x108 b 0x300 I believe this is what is described on page 55 of the sparc v8 manual as unpredictable behavior, where a Bicc precedes an unconditional branch. QEMU actually crashes unless run in GDB. Single stepping will a