[compiler-rt] [builtins] Generate __multc3 for z/OS (PR #77554)

[Sean Perry via llvm-commits]

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@@ -15,8 +15,6 @@
 #include "int_lib.h"
 #include "int_math.h"
 
-#if defined(CRT_HAS_TF_MODE)
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perry-ca wrote:

int128 isn't supported on z/OS yet.  This change enables quad precision without needing to have TF mode enabled.  We need this diff otherwise we don't get __multc3 defined.

https://github.com/llvm/llvm-project/pull/77554