https://bugs.llvm.org/show_bug.cgi?id=44582
Bug ID: 44582
Summary: [AMDGPU][MC][GFX908] 'glc' is not supported for
global_atomic_add_f32 and global_atomic_pk_add_f16
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: AMDGPU
Assignee: unassignedb...@nondot.org
Reporter: dpreobrazhen...@luxoft.com
CC: llvm-bugs@lists.llvm.org
It is not clear why glc modifier is not supported for these opcodes:
global_atomic_add_f32 v0, v[1:2], v2, off offset:-1 glc // error
global_atomic_add_f32 v[1:2], v2, off offset:-1 // ok
sp3 assembler supports this modifier:
global_atomic_add_f32 v0, v[0:1], v0, s[0:1] glc // sp3: ok
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