File n_no-sse2-on-ix86-except-for-intel-drivers.patch of Package Mesa

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File n_no-sse2-on-ix86-except-for-intel-drivers.patch of Package Mesa (Revision 7bf2a5ffd787adfd49ca9cef02dfdd72)

Currently displaying revision 7bf2a5ffd787adfd49ca9cef02dfdd72 , Show latest

diff -u -r mesa-21.3.3.orig/meson.build mesa-21.3.3/meson.build
--- mesa-21.3.3.orig/meson.build	2022-01-06 19:34:26.332485000 +0100
+++ mesa-21.3.3/meson.build	2022-01-06 19:32:11.286680000 +0100
@@ -1231,35 +1231,8 @@
   endif
 endif
 
-if host_machine.cpu_family().startswith('x86') and cc.get_id() != '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

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File n_no-sse2-on-ix86-except-for-intel-drivers.patch of Package Mesa (Revision 7bf2a5ffd787adfd49ca9cef02dfdd72)

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