commit 6cc9d5325b3022782382cc87297efd4bbbdb0082
author Vyacheslav Egorov <vegorov@google.com> Mon Sep 17 23:34:47 2018 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org> Mon Sep 17 23:34:47 2018 +0000
tree 60bc10527b203103fc90a490dc3fc74179c517b4
parent c8e26d68cb0199b9ebb299470762b3b998677d19

[vm] Use vmovdr instead of vmovsr when loading from Float64List

vmovsr can't access halfs of D16 and above.

Fixes https://github.com/dart-lang/sdk/issues/34462

Bug: 34462
Change-Id: I55042ff4e143b5a8d1ac6f4e6f5b888ec8d588ab
Reviewed-on: https://dart-review.googlesource.com/75021
Commit-Queue: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Zach Anderson <zra@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>

runtime/vm/compiler/backend/il_arm.cc

diff --git a/runtime/vm/compiler/backend/il_arm.cc b/runtime/vm/compiler/backend/il_arm.cc
index 77503a6..f84d17a 100644
--- a/runtime/vm/compiler/backend/il_arm.cc
+++ b/runtime/vm/compiler/backend/il_arm.cc
@@ -1333,10 +1333,10 @@
         } else {
           const Register value = locs()->temp(1).reg();
           __ LoadWordUnaligned(value, address, TMP);
-          __ vmovsr(EvenSRegisterOf(dresult0), value);
+          __ vmovdr(dresult0, 0, value);
           __ AddImmediate(address, address, 4);
           __ LoadWordUnaligned(value, address, TMP);
-          __ vmovsr(OddSRegisterOf(dresult0), value);
+          __ vmovdr(dresult0, 1, value);
         }
         break;
       case kTypedDataFloat64x2ArrayCid: