[llvm-commits] [llvm] r173053 - in /llvm/trunk/lib/Target/R600: R600Instructions.td SIInstructions.td

[Tom Stellard]

Author: tstellar
Date: Mon Jan 21 09:40:48 2013
New Revision: 173053

URL: http://llvm.org/viewvc/llvm-project?rev=173053&view=rev
Log:
R600/SI: Use unnormalized coordinates for sampling with the RECT target.

Patch by: Michel Dänzer

Reviewed-by: Tom Stellard <thomas.stellard at amd.com>
Reviewed-by: Christian König <christian.koenig at amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>

Modified:
    llvm/trunk/lib/Target/R600/R600Instructions.td
    llvm/trunk/lib/Target/R600/SIInstructions.td

Modified: llvm/trunk/lib/Target/R600/R600Instructions.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/R600Instructions.td?rev=173053&r1=173052&r2=173053&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/R600Instructions.td (original)
+++ llvm/trunk/lib/Target/R600/R600Instructions.td Mon Jan 21 09:40:48 2013
@@ -342,6 +342,13 @@
   }]
 >;
 
+def TEX_RECT : PatLeaf<
+  (imm),
+  [{uint32_t TType = (uint32_t)N->getZExtValue();
+    return TType == 5;
+  }]
+>;
+
 class EG_CF_RAT <bits <8> cf_inst, bits <6> rat_inst, bits<4> rat_id, dag outs,
                  dag ins, string asm, list<dag> pattern> :
     InstR600ISA <outs, ins, asm, pattern> {

Modified: llvm/trunk/lib/Target/R600/SIInstructions.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/SIInstructions.td?rev=173053&r1=173052&r2=173053&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/SIInstructions.td (original)
+++ llvm/trunk/lib/Target/R600/SIInstructions.td Mon Jan 21 09:40:48 2013
@@ -1191,6 +1191,12 @@
                 SReg_256:$rsrc, SReg_128:$sampler)
 >;
 
+def : Pat <
+  (int_SI_sample imm:$writemask, VReg_128:$coord, SReg_256:$rsrc, SReg_128:$sampler, TEX_RECT),
+  (IMAGE_SAMPLE imm:$writemask, 1, 0, 0, 0, 0, 0, 0, VReg_128:$coord,
+                SReg_256:$rsrc, SReg_128:$sampler)
+>;
+
 /* int_SI_sample_lod */
 def : Pat <
   (int_SI_sample_lod imm:$writemask, VReg_128:$coord, SReg_256:$rsrc, SReg_128:$sampler, imm),