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MdePkg/BaseSynchronizationLib GCC: fix whitespace and comments 

The "GccInline.c" files have some inconsistent whitespace, and missing (or
incorrect) operand comments. Fix and unify them.

This patch doesn't change behavior.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1208
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Laszlo Ersek 2018-09-29 20:18:34 +02:00
parent b7dc8888f3
commit 310ddb638b
2 changed files with 39 additions and 49 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
MdePkg/Library/BaseSynchronizationLib/Ia32/GccInline.c
View File

@ -39,7 +39,7 @@ InternalSyncIncrement (
"movl $1, %%eax \n\t"
"lock \n\t"
"xadd %%eax, %1 \n\t"
"inc %%eax "
"inc %%eax \n\t"
: "=a" (Result), // %0
"+m" (*Value) // %1
: // no inputs that aren't also outputs
@ -48,7 +48,6 @@ InternalSyncIncrement (
);
return Result;
}
@ -76,7 +75,7 @@ InternalSyncDecrement (
"movl $-1, %%eax \n\t"
"lock \n\t"
"xadd %%eax, %1 \n\t"
"dec %%eax "
"dec %%eax \n\t"
: "=a" (Result), // %0
"+m" (*Value) // %1
: // no inputs that aren't also outputs
@ -87,6 +86,7 @@ InternalSyncDecrement (
return Result;
}
/**
Performs an atomic compare exchange operation on a 16-bit unsigned integer.
@ -113,15 +113,13 @@ InternalSyncCompareExchange16 (
IN UINT16 ExchangeValue
)
{
__asm__ __volatile__ (
" \n\t"
"lock \n\t"
"cmpxchgw %1, %2 \n\t"
: "=a" (CompareValue)
: "q" (ExchangeValue),
"m" (*Value),
"0" (CompareValue)
: "=a" (CompareValue) // %0
: "q" (ExchangeValue), // %1
"m" (*Value), // %2
"0" (CompareValue) // %3
: "memory",
"cc"
);
@ -129,6 +127,7 @@ InternalSyncCompareExchange16 (
return CompareValue;
}
/**
Performs an atomic compare exchange operation on a 32-bit unsigned integer.
@ -155,15 +154,13 @@ InternalSyncCompareExchange32 (
IN UINT32 ExchangeValue
)
{
__asm__ __volatile__ (
" \n\t"
"lock \n\t"
"cmpxchgl %1, %2 \n\t"
: "=a" (CompareValue) // %0
: "q" (ExchangeValue), // %1
"m" (*Value), // %2
"0" (CompareValue) // %4
"0" (CompareValue) // %3
: "memory",
"cc"
);
@ -171,6 +168,7 @@ InternalSyncCompareExchange32 (
return CompareValue;
}
/**
Performs an atomic compare exchange operation on a 64-bit unsigned integer.
@ -197,7 +195,6 @@ InternalSyncCompareExchange64 (
)
{
__asm__ __volatile__ (
" \n\t"
"push %%ebx \n\t"
"movl %2,%%ebx \n\t"
"lock \n\t"

31
MdePkg/Library/BaseSynchronizationLib/X64/GccInline.c
View File

@ -39,7 +39,7 @@ InternalSyncIncrement (
"movl $1, %%eax \n\t"
"lock \n\t"
"xadd %%eax, %1 \n\t"
"inc %%eax "
"inc %%eax \n\t"
: "=a" (Result), // %0
"+m" (*Value) // %1
: // no inputs that aren't also outputs
@ -75,7 +75,7 @@ InternalSyncDecrement (
"movl $-1, %%eax \n\t"
"lock \n\t"
"xadd %%eax, %1 \n\t"
"dec %%eax "
"dec %%eax \n\t"
: "=a" (Result), // %0
"+m" (*Value) // %1
: // no inputs that aren't also outputs
@ -113,16 +113,14 @@ InternalSyncCompareExchange16 (
IN UINT16 ExchangeValue
)
{
__asm__ __volatile__ (
"lock \n\t"
"cmpxchgw %3, %1 "
: "=a" (CompareValue),
"=m" (*Value)
: "a" (CompareValue),
"r" (ExchangeValue),
"m" (*Value)
"cmpxchgw %3, %1 \n\t"
: "=a" (CompareValue), // %0
"=m" (*Value) // %1
: "a" (CompareValue), // %2
"r" (ExchangeValue), // %3
"m" (*Value) // %4
: "memory",
"cc"
);
@ -157,16 +155,14 @@ InternalSyncCompareExchange32 (
IN UINT32 ExchangeValue
)
{
__asm__ __volatile__ (
"lock \n\t"
"cmpxchgl %3, %1 "
"cmpxchgl %3, %1 \n\t"
: "=a" (CompareValue), // %0
"=m" (*Value) // %1
: "a" (CompareValue), // %2
"r" (ExchangeValue), // %3
"m" (*Value)
"m" (*Value) // %4
: "memory",
"cc"
);
@ -200,20 +196,17 @@ InternalSyncCompareExchange64 (
IN UINT64 ExchangeValue
)
{
__asm__ __volatile__ (
"lock \n\t"
"cmpxchgq %3, %1 "
"cmpxchgq %3, %1 \n\t"
: "=a" (CompareValue), // %0
"=m" (*Value) // %1
: "a" (CompareValue), // %2
"r" (ExchangeValue), // %3
"m" (*Value)
"m" (*Value) // %4
: "memory",
"cc"
);
return CompareValue;
}