[llvm-commits] [llvm] r154689 - in /llvm/trunk: lib/Target/ARM/ARMInstrInfo.td test/CodeGen/ARM/fusedMAC.ll

[Evan Cheng]

Author: evancheng
Date: Fri Apr 13 13:59:28 2012
New Revision: 154689

URL: http://llvm.org/viewvc/llvm-project?rev=154689&view=rev
Log:
On Darwin targets, only use vfma etc. if the source use fma() intrinsic explicitly.

Modified:
    llvm/trunk/lib/Target/ARM/ARMInstrInfo.td
    llvm/trunk/test/CodeGen/ARM/fusedMAC.ll

Modified: llvm/trunk/lib/Target/ARM/ARMInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrInfo.td?rev=154689&r1=154688&r2=154689&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrInfo.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrInfo.td Fri Apr 13 13:59:28 2012
@@ -219,8 +219,11 @@
 
 // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
 // But only select them if more precision in FP computation is allowed.
-def UseFusedMAC      : Predicate<"!TM.Options.NoExcessFPPrecision">;
-def DontUseFusedMAC  : Predicate<"!Subtarget->hasVFP4()">;
+// Do not use them for Darwin platforms.
+def UseFusedMAC      : Predicate<"!TM.Options.NoExcessFPPrecision && "
+                                 "!Subtarget->isTargetDarwin()">;
+def DontUseFusedMAC  : Predicate<"!Subtarget->hasVFP4() || "
+                                 "Subtarget->isTargetDarwin()">;
 
 //===----------------------------------------------------------------------===//
 // ARM Flag Definitions.

Modified: llvm/trunk/test/CodeGen/ARM/fusedMAC.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fusedMAC.ll?rev=154689&r1=154688&r2=154689&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fusedMAC.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fusedMAC.ll Fri Apr 13 13:59:28 2012
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=arm -mattr=+neon,+vfp4 | FileCheck %s
+; RUN: llc < %s -mtriple=armv7-eabi -mattr=+neon,+vfp4 | FileCheck %s
 ; Check generated fused MAC and MLS.
 
 define double @fusedMACTest1(double %d1, double %d2, double %d3) {