Tyler McMullen 775c674b38 Only save callee-saved registers that are used (#293) ...

* Only save callee-saved registers that are actually being used.

* Rename AllocatableSet to RegisterSet

* Style cleanup and small renames for readability.

* Adjust x86 prologue-epilogue test to account for callee-saved register optimization.

* Add more tests for prologue-epilogue optimizations.

2018-04-03 14:44:12 -07:00

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intel

Only save callee-saved registers that are used (#293)

2018-04-03 14:44:12 -07:00

riscv

Rename CallConv::Native to CallConv::SystemV. (#291)

2018-03-30 12:32:14 -07:00