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* [v3] Fix _S_local_capacity for large sizeof(_CharT)
@ 2014-12-22 17:59 Paolo Carlini
  0 siblings, 0 replies; only message in thread
From: Paolo Carlini @ 2014-12-22 17:59 UTC (permalink / raw)
  To: libstdc++; +Cc: gcc-patches

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Hi,

minimally, fix _S_local_capacity for sizeof(_CharT) > 16. Probably we'll 
come back to it in order to tune it more finely for char, wchar_t, 
char16_t, and char32_t.

Tested x86_64-linux.

Thanks,
Paolo.

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2014-12-22  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/basic_string.h: Fix _S_local_capacity for
	large sizeof(_CharT).

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Index: include/bits/basic_string.h
===================================================================
--- include/bits/basic_string.h	(revision 219015)
+++ include/bits/basic_string.h	(working copy)
@@ -114,7 +114,7 @@
       _Alloc_hider	_M_dataplus;
       size_type		_M_string_length;
 
-      enum { _S_local_capacity = 16 / sizeof(_CharT) - 1 };
+      enum { _S_local_capacity = 15 / sizeof(_CharT) };
 
       union
       {

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2014-12-22 17:59 [v3] Fix _S_local_capacity for large sizeof(_CharT) Paolo Carlini

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