[PATCH] D126392: [RISCV] Use two ADDIs to do some stack pointer adjustments.

[Jessica Clarke via Phabricator via llvm-commits]

jrtc27 added a comment.

For reference, this is the exact text in the psABI spec:

> In the standard ABI, the stack pointer must remain aligned throughout procedure execution. Non-standard ABI code must realign the stack pointer prior to invoking standard ABI procedures. The operating system must realign the stack pointer prior to invoking a signal handler; hence, POSIX signal handlers need not realign the stack pointer. In systems that service interrupts using the interruptee’s stack, the interrupt service routine must realign the stack pointer if linked with any code that uses a non-standard stack-alignment discipline, but need not realign the stack pointer if all code adheres to the standard ABI.


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  https://reviews.llvm.org/D126392/new/

https://reviews.llvm.org/D126392