Don't check for SSE2 support on i386

Bug-Debian: https://bugs.debian.org/930935
Forwarded: no

===================================================================

Gbp-Pq: Name dont-detect-sse2.patch

diff --git a/Source/ThirdParty/ANGLE/src/common/platform.h b/Source/ThirdParty/ANGLE/src/common/platform.h
index d7c9caf6806582b52668c53fa1ddb6ee40d17514..093be1888ed18347103e35a92ae2386568200699 100644 (file)
--- a/Source/ThirdParty/ANGLE/src/common/platform.h
+++ b/Source/ThirdParty/ANGLE/src/common/platform.h
@@ -112,7 +112,7 @@
 #if defined(_MSC_VER) && !defined(_M_ARM) && !defined(_M_ARM64)
 #    include <intrin.h>
 #    define ANGLE_USE_SSE
-#elif defined(__GNUC__) && (defined(__x86_64__) || defined(__i386__))
+#elif defined(__GNUC__) && defined(__x86_64__)
 #    include <x86intrin.h>
 #    define ANGLE_USE_SSE
 #endif

diff --git a/Source/cmake/WebKitCompilerFlags.cmake b/Source/cmake/WebKitCompilerFlags.cmake
index 0732785ed1b6c78c0088596349d2ee6e980ca663..cac926003a876e5cc3264d875802ecfa72c21b20 100644 (file)
--- a/Source/cmake/WebKitCompilerFlags.cmake
+++ b/Source/cmake/WebKitCompilerFlags.cmake
@@ -174,15 +174,6 @@ if (COMPILER_IS_GCC_OR_CLANG)
         WEBKIT_PREPEND_GLOBAL_COMPILER_FLAGS(-fmax-errors=20)
     endif ()
 
-    # Force SSE2 fp on x86 builds.
-    if (WTF_CPU_X86 AND NOT CMAKE_CROSSCOMPILING)
-        WEBKIT_PREPEND_GLOBAL_COMPILER_FLAGS(-msse2 -mfpmath=sse)
-        include(DetectSSE2)
-        if (NOT SSE2_SUPPORT_FOUND)
-            message(FATAL_ERROR "SSE2 support is required to compile WebKit")
-        endif ()
-    endif ()
-
     # Makes builds faster. The GCC manual warns about the possibility that the assembler being
     # used may not support input from a pipe, but in practice the toolchains we support all do.
     WEBKIT_PREPEND_GLOBAL_COMPILER_FLAGS(-pipe)