https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80363
Bug ID: 80363
Summary: #'vec_cond_expr' not supported by
dump_expr#<expression error>
Product: gcc
Version: 6.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: jwjagersma at gmail dot com
Target Milestone: ---
Created attachment 41157
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41157&action=edit
test case
Not sure if this is valid code, see attached source file. (I was kinda hoping
std::max would use the maxps sse instruction. that was a wild guess...)
In any case, the error message here seems wrong:
$ g++ vectest.cpp
In file included from D:/msys64/mingw64/include/c++/6.3.0/algorithm:61:0,
from vectest.cpp:1:
D:/msys64/mingw64/include/c++/6.3.0/bits/stl_algobase.h: In instantiation of
'constexpr const _Tp& std::max(const _Tp&, const _Tp&) [with _Tp = __vector(4)
float]':
vectest.cpp:16:22: required from here
D:/msys64/mingw64/include/c++/6.3.0/bits/stl_algobase.h:224:7: error: could not
convert '#'vec_cond_expr' not supported by dump_expr#<expression error>' from
'__vector(4) int' to 'bool'
if (__a < __b)
^~
