Re: [PATCH v3] target/i386: Fix calculation of LOCK NEG eflags

[Paolo Bonzini]

On 11/3/22 12:22, Qi Hu wrote:

ping

On 2022/10/24 16:41, Qi Hu wrote:

In sequence:
---
lock negl -0x14(%rbp)
pushf
pop    %rax
---

%rax will obtain the wrong value becasue the "lock neg" calculates the
wrong eflags. The "s->T0" is updated by the wrong value.

You can use this to do some test:
---
#include <assert.h>

int main()

This is already part of a pull request.

Paolo