Ben Shi c85175c5f6 [AVR] Fix a bug in prologue of ISR ...

The r1 register should be cleared in prologue of ISR as it is used
as constant zero.

Reviewed By: dylanmckay

Differential Revision: https://reviews.llvm.org/D99467

2021-06-29 21:44:50 +08:00

18 KiB

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