On 5/2/24 13:38, Jeff Law wrote:
>
> On 5/2/24 12:59 PM, Vineet Gupta wrote:
>> This is no logic change (but technically still a functional change).
>>
>> Ran into this when stepping thru combine code.
>> @newpat has some random garbage for a bit until it is actually set.
>> With the fix it remains 0 until actually set.
>>
>> gcc/ChangeLog:
>> * combine.cc (try_combine): Initialize newpat.
> Isn't the same true even after this change if you turn on the optimizer?
You are right. And the reason I was seeing a difference at all is all my
local toolchain builds are -g3 -O0 :-)
> And isn't the same true for many other objects that are initialized
> lazily?
>
> Ultimately I'll defer to Segher on this.
Of course.
Thx for taking a look.
-Vineet
