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Temporarily remove build-in __sync_val_compare_and_swap() in the implementation of sync functions. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10519 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8 2010-05-19 06:06:40 +00:00
parent afe7c8b2bb
commit 4e4a5f359d
2 changed files with 4 additions and 40 deletions
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24
MdePkg/Library/BaseSynchronizationLib/Ia32/GccInline.c
View File

@ -1,7 +1,7 @@
/** @file
GCC inline implementation of BaseSynchronizationLib processor specific functions.
Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@ -114,13 +114,6 @@ InternalSyncCompareExchange32 (
)
{
// GCC 4.1 and forward supports atomic builtins
#if ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)))
return __sync_val_compare_and_swap (Value, CompareValue, ExchangeValue);
#else
__asm__ __volatile__ (
" \n\t"
"lock \n\t"
@ -133,9 +126,7 @@ InternalSyncCompareExchange32 (
"cc"
);
return CompareValue;
#endif
return CompareValue;
}
/**
@ -163,13 +154,6 @@ InternalSyncCompareExchange64 (
IN UINT64 ExchangeValue
)
{
// GCC 4.1 and forward supports atomic builtins
#if ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)))
return __sync_val_compare_and_swap (Value, CompareValue, ExchangeValue);
#else
__asm__ __volatile__ (
" \n\t"
"push %%ebx \n\t"
@ -186,8 +170,4 @@ InternalSyncCompareExchange64 (
);
return CompareValue;
#endif
}

20
MdePkg/Library/BaseSynchronizationLib/X64/GccInline.c
View File

@ -1,7 +1,7 @@
/** @file
GCC inline implementation of BaseSynchronizationLib processor specific functions.
Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@ -49,7 +49,6 @@ InternalSyncIncrement (
);
return Result;
}
@ -115,12 +114,7 @@ InternalSyncCompareExchange32 (
IN UINT32 ExchangeValue
)
{
// GCC 4.1 and forward supports atomic builtins
#if ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)))
return __sync_val_compare_and_swap (Value, CompareValue, ExchangeValue);
#else
__asm__ __volatile__ (
"lock \n\t"
@ -134,9 +128,7 @@ InternalSyncCompareExchange32 (
"cc"
);
return CompareValue;
#endif
return CompareValue;
}
@ -165,12 +157,6 @@ InternalSyncCompareExchange64 (
IN UINT64 ExchangeValue
)
{
// GCC 4.1 and forward supports atomic builtins
#if ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)))
return __sync_val_compare_and_swap (Value, CompareValue, ExchangeValue);
#else
__asm__ __volatile__ (
"lock \n\t"
@ -185,8 +171,6 @@ InternalSyncCompareExchange64 (
);
return CompareValue;
#endif
}