ping^1
On Tue, Apr 13, 2021 at 7:01 PM Khem Raj <raj.k...@gmail.com> wrote:
>
> Signed-off-by: Khem Raj <raj.k...@gmail.com>
> ---
> ...rincs-Check-for-__builtin_ia32_rdtsc.patch | 33 +++++++++++++++++++
> .../nativesdk-mingw-w64-runtime_7.0.0.bb | 2 ++
> 2 files changed, 35 insertions(+)
> create mode 100644
> recipes-devtools/mingw-w64/files/0001-intrincs-Check-for-__builtin_ia32_rdtsc.patch
>
> diff --git
> a/recipes-devtools/mingw-w64/files/0001-intrincs-Check-for-__builtin_ia32_rdtsc.patch
>
> b/recipes-devtools/mingw-w64/files/0001-intrincs-Check-for-__builtin_ia32_rdtsc.patch
> new file mode 100644
> index 0000000..ce4ba81
> --- /dev/null
> +++
> b/recipes-devtools/mingw-w64/files/0001-intrincs-Check-for-__builtin_ia32_rdtsc.patch
> @@ -0,0 +1,33 @@
> +From 346de7591f58015d111f4d4f3b001382c04d5557 Mon Sep 17 00:00:00 2001
> +From: Khem Raj <raj.k...@gmail.com>
> +Date: Tue, 13 Apr 2021 18:44:25 -0700
> +Subject: [PATCH] intrincs: Check for __builtin_ia32_rdtsc
> +
> +on modern gcc ( >=4.6 ) __rdtsc function is implemented using
> +special builtin function called __builtin_ia32_rdtsc, its actually
> +a define in gcc, so __has_builtin check fails for __rdtsc even
> +though it is defined to imply __builtin_ia32_rdtsc(), therefore
> +check for existence of __builtin_ia32_rdtsc as well
> +
> +Upstream-Status: Pending
> +Signed-off-by: Khem Raj <raj.k...@gmail.com>
> +---
> + mingw-w64-crt/intrincs/rdtsc.c | 2 +-
> + 1 file changed, 1 insertion(+), 1 deletion(-)
> +
> +diff --git a/mingw-w64-crt/intrincs/rdtsc.c b/mingw-w64-crt/intrincs/rdtsc.c
> +index bf9c03b..df04711 100644
> +--- a/mingw-w64-crt/intrincs/rdtsc.c
> ++++ b/mingw-w64-crt/intrincs/rdtsc.c
> +@@ -11,7 +11,7 @@
> + #define __has_builtin(x) 0
> + #endif
> +
> +-#if !__has_builtin(__rdtsc)
> ++#if !__has_builtin(__rdtsc) && !__has_builtin(__builtin_ia32_rdtsc)
> + unsigned __int64 __rdtsc(void)
> + {
> + #ifdef _WIN64
> +--
> +2.31.1
> +
> diff --git a/recipes-devtools/mingw-w64/nativesdk-mingw-w64-runtime_7.0.0.bb
> b/recipes-devtools/mingw-w64/nativesdk-mingw-w64-runtime_7.0.0.bb
> index 9f79ffe..0368841 100644
> --- a/recipes-devtools/mingw-w64/nativesdk-mingw-w64-runtime_7.0.0.bb
> +++ b/recipes-devtools/mingw-w64/nativesdk-mingw-w64-runtime_7.0.0.bb
> @@ -2,6 +2,8 @@ DESCRIPTION = "Runtime libraries from MinGW-w64 project"
>
> require mingw-w64.inc
>
> +SRC_URI +=
> "file://0001-intrincs-Check-for-__builtin_ia32_rdtsc.patch;striplevel=2"
> +
> S = "${WORKDIR}/mingw-w64-v${PV}/mingw-w64-crt"
> B = "${WORKDIR}/build-${TARGET_SYS}"
>
> --
> 2.31.1
>
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