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Remove some stuff added for old GCC versions.

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svn path=/trunk/; revision=60833
This commit is contained in:
Dmitry Gorbachev 2013-11-02 14:33:18 +00:00
parent 5385764edf
commit 755334ff27
10 changed files with 18 additions and 91 deletions
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2
reactos/cmake/config.cmake
View file

@ -78,4 +78,4 @@ set(_VS_ANALYZE_ FALSE CACHE BOOL
endif()
set(USE_DUMMY_PSEH FALSE CACHE BOOL
"Whether to disable PSEH support.")
"Whether to disable PSEH support.")

14
reactos/cmake/gcc.cmake
View file

@ -61,14 +61,10 @@ else()
add_compile_flags("-march=${OARCH}")
endif()
# Warnings
add_compile_flags("-Werror -Wall -Wno-char-subscripts -Wpointer-arith -Wno-multichar -Wno-unused-value")
if(GCC_VERSION VERSION_LESS 4.7)
add_compile_flags("-Wno-error=uninitialized")
elseif(GCC_VERSION VERSION_EQUAL 4.7 OR GCC_VERSION VERSION_GREATER 4.7)
add_compile_flags("-Wno-error=unused-but-set-variable -Wno-maybe-uninitialized -Wno-error=narrowing")
endif()
# Warnings, errors
add_compile_flags("-Werror -Wall -Wpointer-arith")
add_compile_flags("-Wno-char-subscripts -Wno-multichar -Wno-unused-value -Wno-maybe-uninitialized")
add_compile_flags("-Wno-error=unused-but-set-variable -Wno-error=narrowing")
if(ARCH STREQUAL "amd64")
add_compile_flags("-Wno-format")
@ -82,7 +78,7 @@ if(OPTIMIZE STREQUAL "1")
elseif(OPTIMIZE STREQUAL "2")
add_compile_flags("-Os")
elseif(OPTIMIZE STREQUAL "3")
add_compile_flags("-O1 -fno-inline-functions-called-once -fno-tree-sra")
add_compile_flags("-Og")
elseif(OPTIMIZE STREQUAL "4")
add_compile_flags("-O1")
elseif(OPTIMIZE STREQUAL "5")

2
reactos/include/crt/mingw32/intrin.h
View file

@ -113,7 +113,7 @@
/* BUGBUG: only good for use in macros. Cannot be taken the address of */
#define __noop(...) ((void)0)
/* TODO: __assume. GCC only supports the weaker __builtin_expect */
#define __assume(x) if (!(x)) __builtin_unreachable()
#endif

2
reactos/include/crt/mingw32/intrin_ppc.h
View file

@ -785,7 +785,7 @@ PPC_QUAL long _InterlockedAddLargeStatistic(volatile long long * const Addend, c
/* BUGBUG: only good for use in macros. Cannot be taken the address of */
#define __noop(...) ((void)0)
/* TODO: __assume. GCC only supports the weaker __builtin_expect */
#define __assume(x) if (!(x)) __builtin_unreachable()
#endif
/* EOF */

23
reactos/lib/rtl/srw.c
View file

@ -44,16 +44,6 @@
RTL_SRWLOCK_SHARED | RTL_SRWLOCK_CONTENTION_LOCK)
#define RTL_SRWLOCK_BITS 4
#if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__ < 40300) || \
(__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__ == 40303)
/* This macro will cause the code to assert if compiled with a buggy
version of GCC that doesn't align the wait blocks properly on the stack! */
#define ASSERT_SRW_WAITBLOCK(ptr) \
ASSERT(((ULONG_PTR)ptr & ((1 << RTL_SRWLOCK_BITS) - 1)) == 0)
#else
#define ASSERT_SRW_WAITBLOCK(ptr) ((void)0)
#endif
typedef struct _RTLP_SRWLOCK_SHARED_WAKE
{
LONG Wake;
@ -231,7 +221,6 @@ RtlpAcquireWaitBlockLock(IN OUT PRTL_SRWLOCK SRWLock)
WaitBlock = (PRTLP_SRWLOCK_WAITBLOCK)(PrevValue & ~RTL_SRWLOCK_MASK);
ASSERT_SRW_WAITBLOCK(WaitBlock);
return WaitBlock;
}
@ -395,8 +384,6 @@ RtlAcquireSRWLockShared(IN OUT PRTL_SRWLOCK SRWLock)
Shared->LastSharedWake = &SharedWake;
ASSERT_SRW_WAITBLOCK(Shared);
RtlpReleaseWaitBlockLock(SRWLock);
RtlpAcquireSRWLockSharedWait(SRWLock,
@ -467,8 +454,6 @@ RtlAcquireSRWLockShared(IN OUT PRTL_SRWLOCK SRWLock)
Shared->LastSharedWake->Next = &SharedWake;
}
ASSERT_SRW_WAITBLOCK(Shared);
Shared->SharedCount++;
Shared->LastSharedWake = &SharedWake;
@ -496,8 +481,6 @@ RtlAcquireSRWLockShared(IN OUT PRTL_SRWLOCK SRWLock)
StackWaitBlock.SharedWakeChain = &SharedWake;
StackWaitBlock.LastSharedWake = &SharedWake;
ASSERT_SRW_WAITBLOCK(&StackWaitBlock);
NewValue = (ULONG_PTR)&StackWaitBlock | RTL_SRWLOCK_OWNED | RTL_SRWLOCK_CONTENDED;
if ((LONG_PTR)InterlockedCompareExchangePointer(&SRWLock->Ptr,
(PVOID)NewValue,
@ -635,8 +618,6 @@ RtlAcquireSRWLockExclusive(IN OUT PRTL_SRWLOCK SRWLock)
StackWaitBlock.Last = &StackWaitBlock;
StackWaitBlock.Wake = 0;
ASSERT_SRW_WAITBLOCK(&StackWaitBlock);
NewValue = (ULONG_PTR)&StackWaitBlock | RTL_SRWLOCK_SHARED | RTL_SRWLOCK_CONTENDED | RTL_SRWLOCK_OWNED;
if ((LONG_PTR)InterlockedCompareExchangePointer(&SRWLock->Ptr,
@ -666,8 +647,6 @@ AddWaitBlock:
StackWaitBlock.Last = &StackWaitBlock;
StackWaitBlock.Wake = 0;
ASSERT_SRW_WAITBLOCK(&StackWaitBlock);
First = RtlpAcquireWaitBlockLock(SRWLock);
if (First != NULL)
{
@ -694,8 +673,6 @@ AddWaitBlock:
StackWaitBlock.Last = &StackWaitBlock;
StackWaitBlock.Wake = 0;
ASSERT_SRW_WAITBLOCK(&StackWaitBlock);
NewValue = (ULONG_PTR)&StackWaitBlock | RTL_SRWLOCK_OWNED | RTL_SRWLOCK_CONTENDED;
if ((LONG_PTR)InterlockedCompareExchangePointer(&SRWLock->Ptr,
(PVOID)NewValue,

8
reactos/ntoskrnl/ex/handle.c
View file

@ -845,23 +845,23 @@ ExpBlockOnLockedHandleEntry(IN PHANDLE_TABLE HandleTable,
IN PHANDLE_TABLE_ENTRY HandleTableEntry)
{
LONG_PTR OldValue;
DEFINE_WAIT_BLOCK(WaitBlock);
EX_PUSH_LOCK_WAIT_BLOCK WaitBlock;
/* Block on the pushlock */
ExBlockPushLock(&HandleTable->HandleContentionEvent, WaitBlock);
ExBlockPushLock(&HandleTable->HandleContentionEvent, &WaitBlock);
/* Get the current value and check if it's been unlocked */
OldValue = HandleTableEntry->Value;
if (!(OldValue) || (OldValue & EXHANDLE_TABLE_ENTRY_LOCK_BIT))
{
/* Unblock the pushlock and return */
ExfUnblockPushLock(&HandleTable->HandleContentionEvent, WaitBlock);
ExfUnblockPushLock(&HandleTable->HandleContentionEvent, &WaitBlock);
}
else
{
/* Wait for it to be unblocked */
ExWaitForUnblockPushLock(&HandleTable->HandleContentionEvent,
WaitBlock);
&WaitBlock);
}
}

6
reactos/ntoskrnl/ex/pushlock.c
View file

@ -472,7 +472,8 @@ ExfAcquirePushLockExclusive(PEX_PUSH_LOCK PushLock)
{
EX_PUSH_LOCK OldValue = *PushLock, NewValue, TempValue;
BOOLEAN NeedWake;
DEFINE_WAIT_BLOCK(WaitBlock);
EX_PUSH_LOCK_WAIT_BLOCK Block;
PEX_PUSH_LOCK_WAIT_BLOCK WaitBlock = &Block;
/* Start main loop */
for (;;)
@ -645,7 +646,8 @@ ExfAcquirePushLockShared(PEX_PUSH_LOCK PushLock)
{
EX_PUSH_LOCK OldValue = *PushLock, NewValue;
BOOLEAN NeedWake;
DEFINE_WAIT_BLOCK(WaitBlock);
EX_PUSH_LOCK_WAIT_BLOCK Block;
PEX_PUSH_LOCK_WAIT_BLOCK WaitBlock = &Block;
/* Start main loop */
for (;;)

10
reactos/ntoskrnl/fsrtl/fastio.c
View file

@ -295,11 +295,6 @@ FsRtlCopyWrite(IN PFILE_OBJECT FileObject,
ASSERT(FileObject);
ASSERT(FileObject->FsContext);
#if defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ == 405)
/* Silence incorrect GCC 4.5.x warning */
OldFileSize.LowPart = 0;
#endif
/* Initialize some of the vars and pointers */
NewSize.QuadPart = 0;
Offset.QuadPart = FileOffset->QuadPart + Length;
@ -547,11 +542,6 @@ FsRtlCopyWrite(IN PFILE_OBJECT FileObject,
{
LARGE_INTEGER OldFileSize;
#if defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ == 405)
/* Silence incorrect GCC 4.5.x warning */
OldFileSize.QuadPart = 0;
#endif
/* Sanity check */
ASSERT(!KeIsExecutingDpc());

28
reactos/ntoskrnl/include/internal/ex.h
View file

@ -98,34 +98,6 @@ typedef struct _HARDERROR_USER_PARAMETERS
#define MAX_MID_INDEX (MID_LEVEL_ENTRIES * LOW_LEVEL_ENTRIES)
#define MAX_HIGH_INDEX (MID_LEVEL_ENTRIES * MID_LEVEL_ENTRIES * LOW_LEVEL_ENTRIES)
//
// Detect old GCC
//
#if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__ < 40300) || \
(__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__ == 40303)
#define DEFINE_WAIT_BLOCK(x) \
struct _AlignHack \
{ \
UCHAR Hack[15]; \
EX_PUSH_LOCK_WAIT_BLOCK UnalignedBlock; \
} WaitBlockBuffer; \
PEX_PUSH_LOCK_WAIT_BLOCK x = (PEX_PUSH_LOCK_WAIT_BLOCK) \
((ULONG_PTR)&WaitBlockBuffer.UnalignedBlock &~ 0xF);
#else
//
// This is only for compatibility; the compiler will optimize the extra
// local variable (the actual pointer) away, so we don't take any perf hit
// by doing this.
//
#define DEFINE_WAIT_BLOCK(x) \
EX_PUSH_LOCK_WAIT_BLOCK WaitBlockBuffer; \
PEX_PUSH_LOCK_WAIT_BLOCK x = &WaitBlockBuffer;
#endif
#define ExpChangeRundown(x, y, z) (ULONG_PTR)InterlockedCompareExchangePointer(&x->Ptr, (PVOID)y, (PVOID)z)
#define ExpChangePushlock(x, y, z) InterlockedCompareExchangePointer((PVOID*)x, (PVOID)y, (PVOID)z)
#define ExpSetRundown(x, y) InterlockedExchangePointer(&x->Ptr, (PVOID)y)

14
reactos/ntoskrnl/include/internal/i386/trap_x.h
View file

@ -10,20 +10,10 @@
#define TRAP_DEBUG 0
//
// Unreachable code hint for GCC 4.5.x, older GCC versions, and MSVC
//
#ifdef __GNUC__
#if __GNUC__ * 100 + __GNUC_MINOR__ >= 405
#define UNREACHABLE __builtin_unreachable()
#else
#define UNREACHABLE __builtin_trap()
#endif
#elif _MSC_VER
#define UNREACHABLE __assume(0)
#if _MSC_VER
#define __builtin_expect(a,b) (a)
#else
#define UNREACHABLE
#endif
//