Re: [Qemu-devel] [PATCH v2 3/8] target/s390x: Tidy SRST

2017-07-07 Thread Aurelien Jarno
On 2017-07-01 13:25, Richard Henderson wrote: > Since we require all registers saved on input, read R0 from ENV instead > of passing it manually. Recognize the specification exception when R0 > contains incorrect data. Keep high bits of result registers unmodified > when in 31 or 24-bit mode. >

[Qemu-devel] [PATCH v2 3/8] target/s390x: Tidy SRST

2017-07-01 Thread Richard Henderson
Since we require all registers saved on input, read R0 from ENV instead of passing it manually. Recognize the specification exception when R0 contains incorrect data. Keep high bits of result registers unmodified when in 31 or 24-bit mode. Signed-off-by: Richard Henderson ---