https://bugs.llvm.org/show_bug.cgi?id=36619
Bug ID: 36619
Summary: '-march=native' incorrectly emits VZEROUPPER with
Knights Landing
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: X86
Assignee: unassignedb...@nondot.org
Reporter: d...@znu.io
CC: llvm-bugs@lists.llvm.org
The following code compiled on Knights Landing incorrectly generates VZEROUPPER
with '-march=native', and correctly does NOT emit VZEROUPPER with '-march=knl':
class alignas(32) BigThing { int i[8]; };
void test(BigThing *in, BigThing *out) { *out = *in; }
--
You are receiving this mail because:
You are on the CC list for the bug._______________________________________________
llvm-bugs mailing list
llvm-bugs@lists.llvm.org
http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
