Zhiyao Ma adc26b4eae [ARM] Fix 8-bit immediate overflow in the instruction of segmented stack prologue. ...

It fixes the overflow of 8-bit immediate field in the emitted
instruction that allocates large stacklet.

For thumb2 targets, load large immediate by a pair of movw and movt
instruction. For thumb1 and ARM targets, load large immediate by reading
from literal pool.

Differential Revision: https://reviews.llvm.org/D118545

2022-03-10 15:15:24 -08:00

7.9 KiB

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