https://bugs.llvm.org/show_bug.cgi?id=51626
Bug ID: 51626
Summary: Wrong data layout for M68k
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: M68k
Assignee: unassignedb...@nondot.org
Reporter: glaub...@physik.fu-berlin.de
CC: glaub...@physik.fu-berlin.de, jrt...@jrtc27.com,
llvm-bugs@lists.llvm.org, miny...@uci.edu,
rickytaylo...@gmail.com
According to the comment by Jessica Clarke in [1], the data layout for M68k is
wrong.
Quote:
> glaubitz@node54:/data/home/glaubitz/llvm-project/build> clang -S -x c
> /dev/null -o - -emit-llvm --target=m68k-linux-gnu | grep datalayout
> target datalayout =
> "E-m:e-p:32:32-i8:8:8-i16:16:16-i32:16:32-n8:16:32-a:0:16-S16"
> glaubitz@node54:/data/home/glaubitz/llvm-project/build>
"p:32:32 still looks wrong, _Alignof(void *) is 2 not 4 so it should be
p:32:16:32 just like i32, so that needs fixing in LLVM"
> [1] https://github.com/rust-lang/rust/pull/88321#discussion_r696022822
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