Re: [PATCH v2 1/2] target/mips: Remove identical if/else branches

[Philippe Mathieu-Daudé]

On 6/30/20 6:46 PM, Aleksandar Markovic wrote:
> Remove the segment:
> 
>       if (other_tc == other->current_tc) {
>           tccause = other->CP0_Cause;
>       } else {
>           tccause = other->CP0_Cause;
>       }
> 
> Original contributor can't remember what was his intention.
> 
> Bug: 1885718

The format documented in the wiki is:

Fixes: 5a25ce9487 ("mips: Hook in more reg accesses via mttr/mftr")
Buglink: https://bugs.launchpad.net/qemu/+bug/1885718

See:
https://wiki.qemu.org/Contribute/SubmitAPatch#Write_a_meaningful_commit_message

> Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
> ---
>  target/mips/cp0_helper.c | 9 +--------
>  1 file changed, 1 insertion(+), 8 deletions(-)
> 
> diff --git a/target/mips/cp0_helper.c b/target/mips/cp0_helper.c
> index bbf12e4a97..de64add038 100644
> --- a/target/mips/cp0_helper.c
> +++ b/target/mips/cp0_helper.c
> @@ -375,16 +375,9 @@ target_ulong helper_mftc0_entryhi(CPUMIPSState *env)
>  target_ulong helper_mftc0_cause(CPUMIPSState *env)
>  {
>      int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
> -    int32_t tccause;
>      CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
>  
> -    if (other_tc == other->current_tc) {
> -        tccause = other->CP0_Cause;
> -    } else {
> -        tccause = other->CP0_Cause;
> -    }
> -
> -    return tccause;
> +    return other->CP0_Cause;
>  }
>  
>  target_ulong helper_mftc0_status(CPUMIPSState *env)
>