commit a3688eaffa0b11e21b7dc48bbba514fc3f999198
author Nicolas Capens <capn@google.com> Tue Oct 25 22:23:07 2016 -0400
committer Nicolas Capens <nicolascapens@google.com> Wed Oct 26 04:53:16 2016 +0000
tree d7835c9aa4b7510fd08ec052330fe258a3b7d7f7
parent 61593fb9d46f1b3d98878d4b90dcb07009b93fbc

Fix two-vector unpack case.

Bug swiftshader:15

Change-Id: I351268b44491091c271d6c7c5b644cd21ffb623b
Reviewed-on: https://chromium-review.googlesource.com/403409
Reviewed-by: Jim Stichnoth <stichnot@chromium.org>
Tested-by: Nicolas Capens <nicolascapens@google.com>

src/IceTargetLoweringX86BaseImpl.h

diff --git a/src/IceTargetLoweringX86BaseImpl.h b/src/IceTargetLoweringX86BaseImpl.h
index a18ff98..1ac77c4 100644
--- a/src/IceTargetLoweringX86BaseImpl.h
+++ b/src/IceTargetLoweringX86BaseImpl.h
@@ -6144,8 +6144,9 @@
     if (Instr->indexesAre(0, 8, 1, 9, 2, 10, 3, 11)) {
       auto *T = makeReg(DestTy);
       auto *Src0RM = legalize(Src0, Legal_Reg | Legal_Mem);
+      auto *Src1RM = legalize(Src1, Legal_Reg | Legal_Mem);
       _movp(T, Src0RM);
-      _punpckl(T, Src0RM);
+      _punpckl(T, Src1RM);
       _movp(Dest, T);
       return;
     }