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Differential D21678 Diff 62171 sys/amd64/amd64/machdep.c

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sys/amd64/amd64/machdep.c

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{ {
return ((cpu_stdext_feature & CPUID_STDEXT_ERMS) != 0 ? return ((cpu_stdext_feature & CPUID_STDEXT_ERMS) != 0 ?
memcpy_erms : memcpy_std); memcpy_erms : memcpy_std);
} }
void pagezero_std(void *addr); void pagezero_std(void *addr);
void pagezero_erms(void *addr); void pagezero_erms(void *addr);
void pagezero_clzero(void *addr);
DEFINE_IFUNC(, void , pagezero, (void *)) DEFINE_IFUNC(, void , pagezero, (void *))
{ {
if ((amd_extended_feature_extensions & AMDFEID_CLZERO) != 0)
return (pagezero_clzero);
return ((cpu_stdext_feature & CPUID_STDEXT_ERMS) != 0 ? return ((cpu_stdext_feature & CPUID_STDEXT_ERMS) != 0 ?
pagezero_erms : pagezero_std); pagezero_erms : pagezero_std);
emasteUnsubmitted
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With three cases it would be clearer to me to write

if (...)
    return (...);
if (...)
    return (...);
return (pagezero_std);
emaste: With three cases it would be clearer to me to write ``` if (...) return (...); if (...)…
} }