This reduces the size of a release build by about 10k.
Noticably, within the tlb miss helpers.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 include/exec/cpu-all.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index 0b449b98ba..525059970c 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -219,8 +219,12 @@ extern const TargetPageBits target_page;
 #else
 extern TargetPageBits target_page;
 #endif
+#ifdef CONFIG_DEBUG_TCG
 #define TARGET_PAGE_BITS   ({ assert(target_page.decided); target_page.bits; })
 #else
+#define TARGET_PAGE_BITS   target_page.bits
+#endif
+#else
 #define TARGET_PAGE_BITS_MIN TARGET_PAGE_BITS
 #endif
 
-- 
2.17.1