https://bugs.llvm.org/show_bug.cgi?id=48803
Bug ID: 48803
Summary: 64-bit vectors with SSE but no SSE2 cause compiler
error on x86_64
Product: new-bugs
Version: 11.0
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: cl...@evan.coeusgroup.com
CC: htmldevelo...@gmail.com, llvm-bugs@lists.llvm.org
If you disable SSE2 but leave SSE enabled while targeting x86_64, using 64-bit
vectors will cause a compiler error. Here is a quick test case (or, on
Compiler Explorer if you prefer: https://godbolt.org/z/haGxze):
typedef int __attribute__((__vector_size__(8))) vec;
void foo(vec a, vec b) {}
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