[llvm-bugs] [Bug 48614] New: _builtin_cpu_supports is missing a check for sha

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=48614

            Bug ID: 48614
           Summary: _builtin_cpu_supports is missing a check for sha
           Product: clang
           Version: 11.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C
          Assignee: unassignedclangbugs at nondot.org
          Reporter: felix-llvm at fefe.de
                CC: blitzrakete at gmail.com, dgregor at apple.com,
                    erik.pilkington at gmail.com, llvm-bugs at lists.llvm.org,
                    richard-llvm at metafoo.co.uk

You can use _builtin_cpu_supports("aes") to check for AES-NI but you can't use
_builtin_cpu_supports("sha") to check for SHA-NI support in the CPU.

This builtin was invented by gcc and they are missing a way to check for sha as
well. I filed a bug with them, too. It would be great if both clang and gcc
added this.

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