[clang] [compiler-rt] [llvm] [SystemZ] Add support for half (fp16) (PR #109164)

[Ulrich Weigand via cfe-commits]

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@@ -47,8 +49,11 @@ def LDR : UnaryRR <"ldr", 0x28,   null_frag, FP64,  FP64>;
 def LXR : UnaryRRE<"lxr", 0xB365, null_frag, FP128, FP128>;
 
 // For z13 we prefer LDR over LER to avoid partial register dependencies.
-let isCodeGenOnly = 1 in
-  def LDR32 : UnaryRR<"ldr", 0x28, null_frag, FP32, FP32>;
+let isCodeGenOnly = 1 in {
+  def LER16 : UnaryRR <"ler", 0x38, null_frag, FP16, FP16>;
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uweigand wrote:

Formatting is a bit odd here.

https://github.com/llvm/llvm-project/pull/109164