https://sourceware.org/bugzilla/show_bug.cgi?id=20141
Bug ID: 20141
Summary: .arch .avx512f doesn't enable upper 16 vector
registers
Product: binutils
Version: 2.27 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: gas
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: kirill.yukhin at intel dot com
Target Milestone: ---
[hjl@gnu-6 tmp]$ cat b.s
.arch corei7
.arch .avx512f
vmovntdq %zmm16, (%rcx)
[hjl@gnu-6 tmp]$ gcc -c b.s
b.s: Assembler messages:
b.s:3: Error: bad register name `%zmm16'
[hjl@gnu-6 tmp]$
There should be no error.
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