chromium/0001-Force-baseline-POWER8-AltiVec-VSX-CPU-features-when-.patch

From ea104a841fca1ff4d5430915f1b7c52c6a642f13 Mon Sep 17 00:00:00 2001
From: Timothy Pearson <tpearson@raptorengineering.com>
Date: Fri, 21 Sep 2018 21:44:17 -0500
Subject: [PATCH] Force baseline POWER8 / AltiVec / VSX CPU features when on a
 PPC64 platform in LE mode

---
 BUILD.gn | 6 ++++++
 1 file changed, 6 insertions(+)

Index: chromium-130.0.6723.44/v8/BUILD.gn
===================================================================
--- chromium-130.0.6723.44.orig/v8/BUILD.gn
+++ chromium-130.0.6723.44/v8/BUILD.gn
@@ -1431,7 +1431,14 @@ config("toolchain") {
   if (v8_current_cpu == "ppc64") {
     defines += [ "V8_TARGET_ARCH_PPC64" ]
     cflags += [ "-ffp-contract=off" ]
-    if (current_os == "aix") {
+    if (current_os == "linux") {
+        cflags += [
+        # Enable usage of AltiVec, VSX, and other POWER8 and higher features
+        "-mcpu=power8",
+        "-maltivec",
+        "-mvsx",
+      ]
+    } else if (current_os == "aix") {
       cflags += [
         # Work around AIX ceil, trunc and round oddities.
         "-mcpu=power5+",