Revert "[openmp] __kmp_x86_cpuid fix for i386/PIC builds." (#85526)
Reverts llvm/llvm-project#84626
GitOrigin-RevId: 6d3cec01a6c29fa4e51ba129fa13dbf55d2b928e
diff --git a/runtime/src/kmp.h b/runtime/src/kmp.h
index 569a1ab..885d663 100644
--- a/runtime/src/kmp.h
+++ b/runtime/src/kmp.h
@@ -1402,19 +1402,9 @@
// subleaf is only needed for cache and topology discovery and can be set to
// zero in most cases
static inline void __kmp_x86_cpuid(int leaf, int subleaf, struct kmp_cpuid *p) {
-#if KMP_ARCH_X86 && (defined(__pic__) || defined(__PIC__))
- // on i386 arch, the ebx reg. is used by pic, thus we need to preserve from
- // being trashed beforehand
- __asm__ __volatile__("mov %%ebx, %%edi\n"
- "cpuid\n"
- "xchg %%edi, %%ebx\n"
- : "=a"(p->eax), "=b"(p->ebx), "=c"(p->ecx), "=d"(p->edx)
- : "a"(leaf), "c"(subleaf));
-#else
__asm__ __volatile__("cpuid"
: "=a"(p->eax), "=b"(p->ebx), "=c"(p->ecx), "=d"(p->edx)
: "a"(leaf), "c"(subleaf));
-#endif
}
// Load p into FPU control word
static inline void __kmp_load_x87_fpu_control_word(const kmp_int16 *p) {
