Commit a862a3a0 authored by Mike Hommey's avatar Mike Hommey
Browse files

Bug 1747498 - Move SIMD flags to python configure. r=firefox-build-system-reviewers,mhentges 

And because we don't support MSVC anymore, we can use the GCC-style
flags everywhere.

Differential Revision: https://phabricator.services.mozilla.com/D134640
parent 6b5a53d8

build/moz.configure/toolchain.configure

+6 −0
Original line number Diff line number Diff line
@@ -2893,3 +2893,9 @@ def path_remappings(target, build_env, sysroot_path, windows_sdk_dir, vc_path): 
                die(f"Cannot remap paths because {p} is an ancestor of {q}")



    return path_remappings





set_config("MMX_FLAGS", ["-mmmx"])

set_config("SSE_FLAGS", ["-msse"])

set_config("SSE2_FLAGS", ["-msse2"])

set_config("SSSE3_FLAGS", ["-mssse3"])

old-configure.in

+0 −16
Original line number Diff line number Diff line
@@ -247,10 +247,6 @@ dnl ======================================================== 
dnl GNU specific defaults

dnl ========================================================

if test "$GNU_CC"; then

    MMX_FLAGS="-mmmx"

    SSE_FLAGS="-msse"

    SSE2_FLAGS="-msse2"

    SSSE3_FLAGS="-mssse3"

    CFLAGS="$CFLAGS -fno-strict-aliasing"



    if test "$OS_ARCH" != "WINNT" -o -z "$CLANG_CC"; then
@@ -526,15 +522,7 @@ case "$target" in 
              CXXFLAGS="$CXXFLAGS -arch:SSE2"

            fi

            changequote([,])

            SSE_FLAGS="-arch:SSE"

            SSE2_FLAGS="-arch:SSE2"

            dnl MSVC allows the use of intrinsics without any flags

            dnl and doesn't have a separate arch for SSSE3

            SSSE3_FLAGS="-arch:SSE2"

        fi

        dnl clang-cl requires appropriate flags to enable SSSE3 support

        dnl on all architectures.

        SSSE3_FLAGS="-mssse3"

        fi

        dnl VS2013+ supports -Gw for better linker optimizations.

        dnl http://blogs.msdn.com/b/vcblog/archive/2013/09/11/introducing-gw-compiler-switch.aspx

        dnl Disabled on ASan because it causes false-positive ODR violations.
@@ -709,10 +697,6 @@ if test -z "$MOZ_OPTIMIZE_FLAGS"; then 
    MOZ_OPTIMIZE_FLAGS="-O"

fi



AC_SUBST_LIST(MMX_FLAGS)

AC_SUBST_LIST(SSE_FLAGS)

AC_SUBST_LIST(SSE2_FLAGS)

AC_SUBST_LIST(SSSE3_FLAGS)



AC_SUBST(MOZ_LINKER)

if test -n "$MOZ_LINKER"; then