https://bugs.llvm.org/show_bug.cgi?id=49797
Bug ID: 49797
Summary: SVE ACLE prefetch functions in C++ result in
compilation error
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: C++
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected],
[email protected]
When compiling the C++ program including SVE ACLE prefetch function e.g.
svprfb,
the following error occurs.
---------------------------------------------
$ cat test.cpp
#include "arm_sve.h"
void test(const void *a, svbool_t pg) {
svprfb(pg, a, SV_PLDL1KEEP);
}
$ clang++ -mcpu=generic+sve -S test.cpp
test.cpp:4:14: error: cannot initialize a parameter of type 'const signed char
*' with an lvalue of type 'const void *'
svprfb(pg, a, SV_PLDL1KEEP);
^
/work03/lang/utsumi/install_main/lib64/clang/13.0.0/include/arm_sve.h:3741:42:
note: expanded from macro 'svprfb'
#define svprfb(...) __builtin_sve_svprfb(__VA_ARGS__)
^~~~~~~~~~~
1 error generated.
---------------------------------------------
In "Arm C Language Extensions for SVE (Version 00bet6)" downloadble from
https://developer.arm.com/documentation/100987/latest ,
the parameters of svprfb is as follows.
---------------------------------------------
void svprfb(svbool_t pg, const void *base, enum svprfop op)
---------------------------------------------
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