[llvm] r265128 - [X86] Introduce Lakemont CPU.

[Andrey Turetskiy via llvm-commits]

Author: aturetsk
Date: Fri Apr  1 05:16:15 2016
New Revision: 265128

URL: http://llvm.org/viewvc/llvm-project?rev=265128&view=rev
Log:
[X86] Introduce Lakemont CPU.

Add a new Intel MCU CPU Lakemont, which doesn't support X87.

Differential Revision: http://reviews.llvm.org/D18650

Added:
    llvm/trunk/test/CodeGen/X86/lakemont.ll
Modified:
    llvm/trunk/lib/Target/X86/X86.td

Modified: llvm/trunk/lib/Target/X86/X86.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86.td?rev=265128&r1=265127&r2=265128&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86.td (original)
+++ llvm/trunk/lib/Target/X86/X86.td Fri Apr  1 05:16:15 2016
@@ -283,6 +283,9 @@ def : Proc<"pentium4",        [FeatureX8
 def : Proc<"pentium4m",       [FeatureX87, FeatureSlowUAMem16, FeatureMMX,
                                FeatureSSE2, FeatureFXSR, FeatureSlowBTMem]>;
 
+// Intel Quark.
+def : Proc<"lakemont",        []>;
+
 // Intel Core Duo.
 def : ProcessorModel<"yonah", SandyBridgeModel,
                      [FeatureX87, FeatureSlowUAMem16, FeatureMMX, FeatureSSE3,

Added: llvm/trunk/test/CodeGen/X86/lakemont.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/lakemont.ll?rev=265128&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/lakemont.ll (added)
+++ llvm/trunk/test/CodeGen/X86/lakemont.ll Fri Apr  1 05:16:15 2016
@@ -0,0 +1,9 @@
+; RUN: llc < %s -march=x86 -mcpu=lakemont | FileCheck %s
+
+; Make sure -mcpu=lakemont implies soft floats.
+define float @test(float %a, float %b) nounwind readnone {
+; CHECK-LABEL: test:
+; CHECK: __addsf3
+  %add = fadd float %a, %b
+  ret float %add
+}