Keith Walker 2d9c6e699a [Thumb1] Use callee-saved register to adjust stack pointer
When adjusting the Stack Pointer at the end of the function epilogue,
use a callee-saved register, rather than explicitly using R4 which may
not have been saved.

Differential Revision: https://reviews.llvm.org/D157500
2023-08-17 18:29:50 +01:00
..
2022-09-26 11:31:23 +01:00
2022-10-02 11:51:08 +01:00
2022-11-02 22:34:05 +00:00