PR target/69176
* config/aarch64/aarch64.md (add<GPI>3): Move long immediate
operands to pseudo only if CSE is expected. Split long immediate
operands only after reload, and for the stack pointer.
(*add<GPI>3_pluslong): Remove.
(*addsi3_aarch64, *adddi3_aarch64): Merge into...
(*add<GPI>3_aarch64): ... here. Add r/rk/Upl alternative.
(*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
(*add<GPI>3 peepholes): New.
(*add<GPI>3 splitters): New.
* config/aarch64/constraints.md (Upl): New.
* config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232540 138bc75d-0d04-0410-961f-82ee72b054a4