- explicitly force SSE2 for Visual Studio 64 bit projects so that the advanced instruction sets don't get activated by accident.

This commit is contained in:
Christoph Oelckers 2016-03-04 10:16:23 +01:00
parent e4a74f4bbe
commit 93323b64f8
1 changed files with 3 additions and 1 deletions

View File

@ -121,7 +121,7 @@ if( MSVC )
set( ALL_C_FLAGS "/GF /Gy /GR-" )
if( CMAKE_SIZEOF_VOID_P MATCHES "4")
# SSE2 option (mostly to switch it off in VC2012 and later where it's the default
# SSE2 option (to allow x87 in 32 bit and disallow extended feature sets which have not yet been checked for precision)
option (ZDOOM_USE_SSE2 "Use SSE2 instruction set")
if (ZDOOM_USE_SSE2)
set( ALL_C_FLAGS "${ALL_C_FLAGS} /arch:SSE2")
@ -131,6 +131,8 @@ if( MSVC )
set( ALL_C_FLAGS "${ALL_C_FLAGS} /arch:IA32")
endif ()
endif ()
else()
set( ALL_C_FLAGS "${ALL_C_FLAGS} /arch:SSE2")
endif()
# Avoid CRT DLL dependancies in release builds, optionally generate assembly output for checking crash locations.