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24#ifndef PXR_BASE_ARCH_HINTS_H
25#define PXR_BASE_ARCH_HINTS_H
27#include "pxr/base/arch/defines.h"
39#if defined(ARCH_COMPILER_GCC) || defined(ARCH_COMPILER_CLANG)
41#define ARCH_LIKELY(x) (__builtin_expect((bool)(x), true))
42#define ARCH_UNLIKELY(x) (__builtin_expect((bool)(x), false))
46#define ARCH_LIKELY(x) (x)
47#define ARCH_UNLIKELY(x) (x)
67#if defined(ARCH_COMPILER_GCC) || \
68 defined(ARCH_COMPILER_CLANG) || \
69 defined(ARCH_COMPILER_ICC)
75#define ARCH_GUARANTEE_TO_COMPILER(x) \
76 if (static_cast<bool>(x)) { } else { __builtin_unreachable(); }
80#define ARCH_GUARANTEE_TO_COMPILER(x)