Intel Corporation

Ruiqi Lian

Junchao Zhang

Guei-Yuan Lueh

Dz-Ching Ju

Vinod K Balakrishnan

Dz-ching (Roy) Ju

Zhaoqing Zhang

Provided are a method, system, and program for allocating call stack frame entries at different memory levels to functions in a program. Functions in a program accessing state information stored in call stack frame entries are processed. Call stack frame entries are allocated to the state information for each function, wherein the call stack frame entries span multiple memory levels, and wherein one function is capable of being allocated stack entries in multiple memory levels.

Allocating call stack frame entries at different memory levels to functions in a program

Operands may be assigned to physical registers within partitioned register banks by identifying possible candidate register banks for an operand. Prior to allocation of the operand to a candidate register bank, conflicts between candidate register banks, if any, may be identified and resolved.

Bank assignment for partitioned register banks

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Ruiqi Lian