Attachment 86004 Details for Bug 64201 – Possible Fix #2

[patch] Possible Fix #2

0001-XXX-R600-Implement-loop-unrolling-prefs.patch (text/plain), 1.05 KB, created by Tom Stellard on 2013-09-17 17:52:07 UTC

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Creator: Tom Stellard

Created: 2013-09-17 17:52:07 UTC

Size: 1.05 KB

patch

obsolete

>From a81ce56bea2ff9695be9256bc9fff51148367fc6 Mon Sep 17 00:00:00 2001
>From: Tom Stellard <thomas.stellard@amd.com>
>Date: Tue, 17 Sep 2013 10:49:46 -0700
>Subject: [PATCH] XXX: R600: Implement loop unrolling prefs
>
>---
> lib/Target/R600/AMDGPUTargetTransformInfo.cpp | 7 +++++++
> 1 file changed, 7 insertions(+)
>
>diff --git a/lib/Target/R600/AMDGPUTargetTransformInfo.cpp b/lib/Target/R600/AMDGPUTargetTransformInfo.cpp
>index 8db319c..cdda314c 100644
>--- a/lib/Target/R600/AMDGPUTargetTransformInfo.cpp
>+++ b/lib/Target/R600/AMDGPUTargetTransformInfo.cpp
>@@ -73,6 +73,8 @@ public:
> 
>   virtual bool hasBranchDivergence() const;
> 
>+  virtual void getUnrollingPreferences(Loop *L, UnrollingPreferences &UP) const;
>+
>   /// @}
> };
> 
>@@ -88,3 +90,8 @@ llvm::createAMDGPUTargetTransformInfoPass(const AMDGPUTargetMachine *TM) {
> }
> 
> bool AMDGPUTTI::hasBranchDivergence() const { return true; }
>+
>+void AMDGPUTTI::getUnrollingPreferences(Loop *L, UnrollingPreferences &UP) const {
>+  UP.Partial = UP.Runtime = true;
>+  UP.Threshold = UP.OptSizeThreshold = UINT_MAX;
>+}
>-- 
>1.7.11.4
>

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Attachments on bug 64201: 78831 | 78838 | 78839 | 78868 | 79106 | 79107 | 79110 | 86004 | 86012 | 86167 | 86762

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