[llvm-commits] [llvm] r134609 - in /llvm/trunk/lib/Target/ARM: ARMAsmPrinter.cpp ARMInstrVFP.td

Cameron Zwarich zwarich at apple.com
Thu Jul 7 01:28:53 PDT 2011


Author: zwarich
Date: Thu Jul  7 03:28:52 2011
New Revision: 134609

URL: http://llvm.org/viewvc/llvm-project?rev=134609&view=rev
Log:
The VMLA instruction and its friends are not actually fused; they're plain old
multiply-accumulate instructions with separate rounding steps.

Modified:
    llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp
    llvm/trunk/lib/Target/ARM/ARMInstrVFP.td

Modified: llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp?rev=134609&r1=134608&r2=134609&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp Thu Jul  7 03:28:52 2011
@@ -654,7 +654,7 @@
   }
 
   /* TODO: ARMBuildAttrs::Allowed is not completely accurate,
-   * since NEON can have 1 (allowed) or 2 (fused MAC operations) */
+   * since NEON can have 1 (allowed) or 2 (MAC operations) */
   if (Subtarget->hasNEON()) {
     AttrEmitter->EmitAttribute(ARMBuildAttrs::Advanced_SIMD_arch,
                                ARMBuildAttrs::Allowed);

Modified: llvm/trunk/lib/Target/ARM/ARMInstrVFP.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrVFP.td?rev=134609&r1=134608&r2=134609&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrVFP.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrVFP.td Thu Jul  7 03:28:52 2011
@@ -873,7 +873,7 @@
 } // End of 'let Constraints = "$a = $dst", isCodeGenOnly = 1 in'
 
 //===----------------------------------------------------------------------===//
-// FP FMA Operations.
+// FP Multiply-Accumulate Operations.
 //
 
 def VMLAD : ADbI<0b11100, 0b00, 0, 0,





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