https://bugs.llvm.org/show_bug.cgi?id=51272
Bug ID: 51272
Summary: ppc support for -ffixed-rN
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: PowerPC
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected]
Blocks: 4068
Via this thread:
https://lists.ozlabs.org/pipermail/linuxppc-dev/2021-July/232574.html
It seems that Go (language) is using r30, so the Linux kernel vdso must be
built with -ffixed-r30 for PPC.
We generally support this flag for other architectures, but it winds up needing
per-arch backend support and frontend validation.
Referenced Bugs:
https://bugs.llvm.org/show_bug.cgi?id=4068
[Bug 4068] [Meta] Compiling the Linux kernel with clang
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