From: ulan@chromium.org <ulan@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Date: Fri, 7 Dec 2012 15:28:40 +0000 (+0000)
Subject: Define CAN_USE_VFP2/3_INSTRUCTIONS based on arm_neon and arm_fpu flags.
X-Git-Tag: upstream/4.7.83~15469
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a1d10c69a1a97d1a613200817dba9975db6f8945;p=platform%2Fupstream%2Fv8.git

Define CAN_USE_VFP2/3_INSTRUCTIONS based on arm_neon and arm_fpu flags.

R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11472023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13175 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
---

diff --git a/build/common.gypi b/build/common.gypi
index 03a0eca..e68ee15 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -143,12 +143,16 @@
               'CAN_USE_UNALIGNED_ACCESSES=0',
             ],
           }],
-          [ 'v8_can_use_vfp2_instructions=="true"', {
+          # NEON implies VFP3 and VFP3 implies VFP2.
+          [ 'v8_can_use_vfp2_instructions=="true" or arm_neon==1 or \
+             arm_fpu=="vfpv3" or arm_fpu=="vfpv3-d16"', {
             'defines': [
               'CAN_USE_VFP2_INSTRUCTIONS',
             ],
           }],
-          [ 'v8_can_use_vfp3_instructions=="true"', {
+          # NEON implies VFP3.
+          [ 'v8_can_use_vfp3_instructions=="true" or arm_neon==1 or \
+             arm_fpu=="vfpv3" or arm_fpu=="vfpv3-d16"', {
             'defines': [
               'CAN_USE_VFP3_INSTRUCTIONS',
             ],