https://bugs.llvm.org/show_bug.cgi?id=40917
Bug ID: 40917
Summary: [AMDGPU][MC][GFX9] Invalid handling of fp constants by
buffer_atomic* opcodes
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: AMDGPU
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
buffer_atomic* opcodes accept fp inline constants for src2, but they are
encoded as 0:
buffer_atomic_add v5, off, s[8:11], 1.0 offset:4095 glc
result in the following code:
[0xff,0x4f,0x08,0xe1,0x00,0x05,0x02,0x80]
buffer_atomic_add v5, off, s[8:11], 0 offset:4095 glc
Moreover, inv2pi specified as src2 triggers an exception.
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