[llvm] [AMDGPU] Add gfx1150 SALU Float instructions (PR #66884)

[Jay Foad via llvm-commits]

================
@@ -0,0 +1,2527 @@
+# RUN: llvm-mc -arch=amdgcn -mcpu=gfx1150 -disassemble -show-encoding < %s | FileCheck -check-prefixes=GFX1150 %s
----------------
jayfoad wrote:

It looks like this was added with the wrong file name, `_asm_` instead of `_dasm_`?

https://github.com/llvm/llvm-project/pull/66884