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/* { dg-do compile } */ /* { dg-require-effective-target lp64 } */ /* { dg-options "-O2 -mfsgsbase" } */ /* { dg-final { scan-assembler "wrgsbase\[ \t]+(%|)rdi" } } */ #include <immintrin.h> void write_gs_base64 (unsigned long long base) { _writegsbase_u64 (base); }