Mesa/n_no-sse2-on-ix86-except-for-intel-drivers.patch

43 lines
1.4 KiB
Diff

Index: mesa-22.2.0/meson.build
===================================================================
--- mesa-22.2.0.orig/meson.build
+++ mesa-22.2.0/meson.build
@@ -1275,35 +1275,8 @@ if host_machine.system() == 'windows'
endif
endif
-if host_machine.cpu_family().startswith('x86') and cc.get_argument_syntax() != 'msvc'
- pre_args += '-DUSE_SSE41'
- with_sse41 = true
- sse41_args = ['-msse4.1']
-
- if host_machine.cpu_family() == 'x86'
- if get_option('sse2')
- # These settings make generated GCC code match MSVC and follow
- # GCC advice on https://gcc.gnu.org/wiki/FloatingPointMath#x86note
- #
- # NOTE: We need to ensure stack is realigned given that we
- # produce shared objects, and have no control over the stack
- # alignment policy of the application. Therefore we need
- # -mstackrealign or -mincoming-stack-boundary=2.
- #
- # XXX: We could have SSE without -mstackrealign if we always used
- # __attribute__((force_align_arg_pointer)), but that's not
- # always the case.
- c_args += ['-msse2', '-mfpmath=sse', '-mstackrealign']
- else
- # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
- # that's not guaranteed
- sse41_args += '-mstackrealign'
- endif
- endif
-else
- with_sse41 = false
- sse41_args = []
-endif
+with_sse41 = false
+sse41_args = []
# Check for GCC style atomics
dep_atomic = null_dep