[X86] Emulate _rdrand64_step with two rdrand32 if it is 32bit
authorBing1 Yu <bing1.yu@intel.com>
Wed, 24 Aug 2022 01:41:40 +0000 (09:41 +0800)
committerBing1 Yu <bing1.yu@intel.com>
Wed, 24 Aug 2022 02:22:46 +0000 (10:22 +0800)
commit6d8ddf53cc8026748a27a8964e117da371f2ccf2
tree2dad7630af8e3d2095343a1e881c806950ddd678
parente624f8a3bb88075493dec521408993ea0ef7bde0
[X86] Emulate _rdrand64_step with two rdrand32 if it is 32bit

Reviewed By: RKSimon

Differential Revision: https://reviews.llvm.org/D132141
clang/lib/Headers/immintrin.h
clang/test/CodeGen/X86/rdrand-builtins.c