commit f0d12c30600aad72ee5184cb47ddf2b67e7ccbee
author Nicolas Capens <capn@google.com> Thu Oct 27 15:17:41 2016 -0400
committer Nicolas Capens <nicolascapens@google.com> Thu Nov 03 03:19:02 2016 +0000
tree 53d9e01174a95195c496241de1a2f9e05a135e14
parent f8c9977b34f0c053204f0401b056f4529e23c2a6

Implement floating-point rounding intrinsic.

BUG=swiftshader:15

Change-Id: I8e53f2fdb8208f8be0f4cdff3241b4a5efe9bc8a
Reviewed-on: https://chromium-review.googlesource.com/404352
Tested-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Jim Stichnoth <stichnot@chromium.org>

src/IceTargetLoweringX86Base.h

diff --git a/src/IceTargetLoweringX86Base.h b/src/IceTargetLoweringX86Base.h
index e6276ce..8e0ce83 100644
--- a/src/IceTargetLoweringX86Base.h
+++ b/src/IceTargetLoweringX86Base.h
@@ -619,6 +619,10 @@
     AutoMemorySandboxer<> _(this, &Dest, &Src0);
     Context.insert<typename Traits::Insts::Cvt>(Dest, Src0, Variant);
   }
+  void _round(Variable *Dest, Operand *Src0, Operand *Imm) {
+    AutoMemorySandboxer<> _(this, &Dest, &Src0);
+    Context.insert<typename Traits::Insts::Round>(Dest, Src0, Imm);
+  }
   void _div(Variable *Dest, Operand *Src0, Operand *Src1) {
     AutoMemorySandboxer<> _(this, &Dest, &Src0, &Src1);
     Context.insert<typename Traits::Insts::Div>(Dest, Src0, Src1);
@@ -894,6 +898,10 @@
     AutoMemorySandboxer<> _(this, &Dest, &Src0);
     Context.insert<typename Traits::Insts::Rol>(Dest, Src0);
   }
+  void _round(Variable *Dest, Operand *Src, Constant *Imm) {
+    AutoMemorySandboxer<> _(this, &Dest, &Src);
+    Context.insert<typename Traits::Insts::Round>(Dest, Src, Imm);
+  }
   X86OperandMem *_sandbox_mem_reference(X86OperandMem *Mem) {
     return dispatchToConcrete(&Traits::ConcreteTarget::_sandbox_mem_reference,
                               std::move(Mem));