From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: Laszlo Ersek <lersek@redhat.com>,
edk2-devel-01 <edk2-devel@lists.01.org>
Cc: Michael D Kinney <michael.d.kinney@intel.com>,
Liming Gao <liming.gao@intel.com>
Subject: Re: [PATCH 1/5] MdePkg/BaseSynchronizationLib GCC: fix whitespace and comments
Date: Mon, 1 Oct 2018 12:17:41 +0200 [thread overview]
Message-ID: <7fb47836-f8dc-b9dc-923d-8e4d2ec1f7fb@redhat.com> (raw)
In-Reply-To: <20180929222312.32150-2-lersek@redhat.com>
On 30/09/2018 00:23, Laszlo Ersek wrote:
> 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>
> ---
> MdePkg/Library/BaseSynchronizationLib/Ia32/GccInline.c | 35 ++++++-------
> MdePkg/Library/BaseSynchronizationLib/X64/GccInline.c | 53 +++++++++-----------
> 2 files changed, 39 insertions(+), 49 deletions(-)
>
> diff --git a/MdePkg/Library/BaseSynchronizationLib/Ia32/GccInline.c b/MdePkg/Library/BaseSynchronizationLib/Ia32/GccInline.c
> index fa2be7f4b35c..1976720ac636 100644
> --- a/MdePkg/Library/BaseSynchronizationLib/Ia32/GccInline.c
> +++ b/MdePkg/Library/BaseSynchronizationLib/Ia32/GccInline.c
> @@ -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;
> -
> }
>
>
> @@ -76,10 +75,10 @@ InternalSyncDecrement (
> "movl $-1, %%eax \n\t"
> "lock \n\t"
> "xadd %%eax, %1 \n\t"
> - "dec %%eax "
> - : "=a" (Result), // %0
> - "+m" (*Value) // %1
> - : // no inputs that aren't also outputs
> + "dec %%eax \n\t"
> + : "=a" (Result), // %0
> + "+m" (*Value) // %1
> + : // no inputs that aren't also outputs
> : "memory",
> "cc"
> );
> @@ -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
> + : "=a" (CompareValue) // %0
> + : "q" (ExchangeValue), // %1
> + "m" (*Value), // %2
> + "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"
> diff --git a/MdePkg/Library/BaseSynchronizationLib/X64/GccInline.c b/MdePkg/Library/BaseSynchronizationLib/X64/GccInline.c
> index ab7efe23c4db..0212798d7a27 100644
> --- a/MdePkg/Library/BaseSynchronizationLib/X64/GccInline.c
> +++ b/MdePkg/Library/BaseSynchronizationLib/X64/GccInline.c
> @@ -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
> @@ -75,10 +75,10 @@ InternalSyncDecrement (
> "movl $-1, %%eax \n\t"
> "lock \n\t"
> "xadd %%eax, %1 \n\t"
> - "dec %%eax "
> - : "=a" (Result), // %0
> - "+m" (*Value) // %1
> - : // no inputs that aren't also outputs
> + "dec %%eax \n\t"
> + : "=a" (Result), // %0
> + "+m" (*Value) // %1
> + : // no inputs that aren't also outputs
> : "memory",
> "cc"
> );
> @@ -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 "
> - : "=a" (CompareValue), // %0
> - "=m" (*Value) // %1
> - : "a" (CompareValue), // %2
> - "r" (ExchangeValue), // %3
> - "m" (*Value)
> + "cmpxchgl %3, %1 \n\t"
> + : "=a" (CompareValue), // %0
> + "=m" (*Value) // %1
> + : "a" (CompareValue), // %2
> + "r" (ExchangeValue), // %3
> + "m" (*Value) // %4
> : "memory",
> "cc"
> );
> @@ -200,20 +196,17 @@ InternalSyncCompareExchange64 (
> IN UINT64 ExchangeValue
> )
> {
> -
> __asm__ __volatile__ (
> "lock \n\t"
> - "cmpxchgq %3, %1 "
> - : "=a" (CompareValue), // %0
> - "=m" (*Value) // %1
> - : "a" (CompareValue), // %2
> - "r" (ExchangeValue), // %3
> - "m" (*Value)
> + "cmpxchgq %3, %1 \n\t"
> + : "=a" (CompareValue), // %0
> + "=m" (*Value) // %1
> + : "a" (CompareValue), // %2
> + "r" (ExchangeValue), // %3
> + "m" (*Value) // %4
> : "memory",
> "cc"
> );
>
> return CompareValue;
> }
> -
> -
>
next prev parent reply other threads:[~2018-10-01 10:17 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-29 22:23 [PATCH 0/5] MdePkg/BaseSynchronizationLib GCC: fixes, cleanups Laszlo Ersek
2018-09-29 22:23 ` [PATCH 1/5] MdePkg/BaseSynchronizationLib GCC: fix whitespace and comments Laszlo Ersek
2018-10-01 10:17 ` Philippe Mathieu-Daudé [this message]
2018-10-18 2:00 ` Ni, Ruiyu
2018-09-29 22:23 ` [PATCH 2/5] MdePkg/BaseSynchronizationLib GCC: fix InternalSyncCompareExchange16() Laszlo Ersek
2018-10-01 10:26 ` Philippe Mathieu-Daudé
2018-09-29 22:23 ` [PATCH 3/5] MdePkg/BaseSynchronizationLib GCC: fix InternalSyncCompareExchange32() Laszlo Ersek
2018-10-01 10:26 ` Philippe Mathieu-Daudé
2018-09-29 22:23 ` [PATCH 4/5] MdePkg/BaseSynchronizationLib GCC: fix X64 InternalSyncCompareExchange64() Laszlo Ersek
2018-10-01 10:27 ` Philippe Mathieu-Daudé
2018-09-29 22:23 ` [PATCH 5/5] MdePkg/BaseSynchronizationLib GCC: simplify IA32 InternalSyncCompareExchange64() Laszlo Ersek
2018-10-01 18:27 ` Philippe Mathieu-Daudé
2018-10-01 18:45 ` Laszlo Ersek
2018-09-29 22:35 ` [PATCH 0/5] MdePkg/BaseSynchronizationLib GCC: fixes, cleanups Laszlo Ersek
2018-10-08 13:44 ` Laszlo Ersek
2018-10-15 18:04 ` Laszlo Ersek
2018-10-15 19:29 ` Kinney, Michael D
2018-10-16 1:32 ` Gao, Liming
2018-10-17 17:16 ` Laszlo Ersek
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