From: Julian Seward <jseward@acm.org>
Date: Wed, 3 Aug 2016 11:41:24 +0000 (+0000)
Subject: Add infrastructure for detection of 32-bit ARMv8 capable CPUs (VEX side).
X-Git-Tag: svn/VALGRIND_3_12_0^2~32
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=462da1d828411be755ae19c2561881175b47e086;p=thirdparty%2Fvalgrind.git

Add infrastructure for detection of 32-bit ARMv8 capable CPUs (VEX side).


git-svn-id: svn://svn.valgrind.org/vex/trunk@3234
---

diff --git a/VEX/priv/main_main.c b/VEX/priv/main_main.c
index 4c278d84e2..8fd2503bb0 100644
--- a/VEX/priv/main_main.c
+++ b/VEX/priv/main_main.c
@@ -1933,8 +1933,8 @@ static void check_hwcaps ( VexArch arch, UInt hwcaps )
 
       case VexArchARM: {
          Bool NEON  = ((hwcaps & VEX_HWCAPS_ARM_NEON) != 0);
+         Bool VFP3  = ((hwcaps & VEX_HWCAPS_ARM_VFP3) != 0);
          UInt level = VEX_ARM_ARCHLEVEL(hwcaps);
-
          switch (level) {
             case 5:
                if (NEON)
@@ -1948,6 +1948,11 @@ static void check_hwcaps ( VexArch arch, UInt hwcaps )
                return;
             case 7:
                return;
+            case 8:
+               if (!NEON || !VFP3)
+                  invalid_hwcaps(arch, hwcaps,
+                          "NEON and VFP3 are required for ARMv8.\n");
+               return;
             default:
                invalid_hwcaps(arch, hwcaps,
                               "ARM architecture level is not supported.\n");