Lei Huang 3479c57466 PowerPC32:PIC: Update to bcl to fix branch prediction mis-predict issue (#134140) ...

Update `bl` to `bcl 20, 31, .+4` for 32bit PIC code gen so the link
stack is 
not corrupted and cause mis-predict for the branch predictor.

fixes: https://github.com/llvm/llvm-project/issues/128644

2025-04-07 15:50:21 -04:00

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