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From: "mxlol233 at outlook dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/111558] RISCV: shrink-wrapper optimization
 question
Date: Tue, 26 Sep 2023 13:26:30 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111558

--- Comment #3 from Xiao Ma <mxlol233 at outlook dot com> ---
(In reply to Xiao Ma from comment #2)
> For this piece of code, LLVM seems to be a bit concise: during the pass of
> Prologue/Epilogue Insertion & Frame Finalization, it only inserts sd/ld
> blocks in the entry and exit BB:
>=20
> https://godbolt.org/z/qxdrMKc46

On the contrary, GCC emits sd/ld blocks for each of BB, in the pro_and_epil=
ogue
pass:

https://godbolt.org/z/vY4M71snz=