Re: [PATCH 1/2] Add allow_uninitialized to tree_base.u.bits for VAR_DECL

2024-07-11 Thread Richard Biener
On Thu, Jul 11, 2024 at 2:14 PM YunQiang Su wrote: > > From: YunQiang Su > > Uninitialized internal temp variable may be useful in some case, > such as for COND_LEN_MUL etc on RISC-V with V extension: If an > const or pre-exists VAR is used, we have to use "undisturbed" > policy; if an uninitiali

[PATCH 1/2] Add allow_uninitialized to tree_base.u.bits for VAR_DECL

2024-07-11 Thread YunQiang Su
From: YunQiang Su Uninitialized internal temp variable may be useful in some case, such as for COND_LEN_MUL etc on RISC-V with V extension: If an const or pre-exists VAR is used, we have to use "undisturbed" policy; if an uninitialized VAR is used, we can use "agnostic". With "agnostic", the micr