Remove x86/x64-specific arch flags

All but the mtune flags are set by //build/config/compiler/BUILD.gn already, and mtune is set to generic. No intended behavior change. Change-Id: Ic70460a1267dd6791fb1f6e108d7432cb9048f53 Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/55649Tested-by: Nico Weber <thakis@chromium.org> Reviewed-by: Nico Weber <thakis@google.com> Reviewed-by: Nicolas Capens <nicolascapens@google.com> Commit-Queue: Nico Weber <thakis@chromium.org>

Remove x86/x64-specific arch flags
0ef83ddc · Nico Weber · swiftshader-scoped@luci-project-accounts.iam.gserviceaccount.com · d44b0b08 · 0ef83ddc
Commit 0ef83ddc authored Jul 08, 2021 by Nico Weber Committed by swiftshader-scoped@luci-project-accounts.iam.gserviceaccount.com Jul 09, 2021
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BUILD.gn BUILD.gn +0 -16

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--- a/BUILD.gn
+++ b/BUILD.gn
@@ -58,22 +58,6 @@ config("swiftshader_config") {
      cflags += [ "-Os" ]
    }

-    if (current_cpu == "x64") {  # 64 bit version
-      cflags += [
-        "-m64",
-        "-fPIC",
-        "-march=x86-64",
-        "-mtune=generic",
-      ]
-    } else if (current_cpu == "x86") {  # 32 bit version
-      cflags += [
-        "-m32",
-        "-mfpmath=sse",
-        "-march=pentium4",
-        "-mtune=generic",
-      ]
-    }
-
    if (is_linux || is_chromeos) {
      # A bug in the gold linker prevents using ICF on 32-bit (crbug.com/729532)
      if (use_gold && (current_cpu == "x86" || current_cpu == "mipsel")) {