[llvm-branch-commits] [llvm-branch] r167841 - in /llvm/branches/R600/lib/Target/AMDGPU: SIInstructions.td SIIntrinsics.td

[Tom Stellard]

Author: tstellar
Date: Tue Nov 13 09:22:11 2012
New Revision: 167841

URL: http://llvm.org/viewvc/llvm-project?rev=167841&view=rev
Log:
SI: Add intrinsic for sampling with explicit LOD.

Patch by: Michel Dänzer

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

Modified:
    llvm/branches/R600/lib/Target/AMDGPU/SIInstructions.td
    llvm/branches/R600/lib/Target/AMDGPU/SIIntrinsics.td

Modified: llvm/branches/R600/lib/Target/AMDGPU/SIInstructions.td
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/R600/lib/Target/AMDGPU/SIInstructions.td?rev=167841&r1=167840&r2=167841&view=diff
==============================================================================
--- llvm/branches/R600/lib/Target/AMDGPU/SIInstructions.td (original)
+++ llvm/branches/R600/lib/Target/AMDGPU/SIInstructions.td Tue Nov 13 09:22:11 2012
@@ -495,7 +495,7 @@
 //def IMAGE_ATOMIC_FMAX : MIMG_NoPattern_ <"IMAGE_ATOMIC_FMAX", 0x0000001f>;
 def IMAGE_SAMPLE : MIMG_Load_Helper <0x00000020, "IMAGE_SAMPLE">; 
 //def IMAGE_SAMPLE_CL : MIMG_NoPattern_ <"IMAGE_SAMPLE_CL", 0x00000021>;
-//def IMAGE_SAMPLE_D : MIMG_NoPattern_ <"IMAGE_SAMPLE_D", 0x00000022>;
+def IMAGE_SAMPLE_D : MIMG_Load_Helper <0x00000022, "IMAGE_SAMPLE_D">;
 //def IMAGE_SAMPLE_D_CL : MIMG_NoPattern_ <"IMAGE_SAMPLE_D_CL", 0x00000023>;
 //def IMAGE_SAMPLE_L : MIMG_NoPattern_ <"IMAGE_SAMPLE_L", 0x00000024>;
 def IMAGE_SAMPLE_B : MIMG_Load_Helper <0x00000025, "IMAGE_SAMPLE_B">;
@@ -1131,6 +1131,13 @@
                 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),
+  (IMAGE_SAMPLE_D imm:$writemask, 0, 0, 0, 0, 0, 0, 0, VReg_128:$coord,
+                  SReg_256:$rsrc, SReg_128:$sampler)
+>;
+
 /* int_SI_sample_bias */
 def : Pat <
   (int_SI_sample_bias imm:$writemask, VReg_128:$coord, SReg_256:$rsrc, SReg_128:$sampler),

Modified: llvm/branches/R600/lib/Target/AMDGPU/SIIntrinsics.td
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/R600/lib/Target/AMDGPU/SIIntrinsics.td?rev=167841&r1=167840&r2=167841&view=diff
==============================================================================
--- llvm/branches/R600/lib/Target/AMDGPU/SIIntrinsics.td (original)
+++ llvm/branches/R600/lib/Target/AMDGPU/SIIntrinsics.td Tue Nov 13 09:22:11 2012
@@ -24,6 +24,7 @@
 
   def int_SI_sample : Intrinsic <[llvm_v4f32_ty], [llvm_i32_ty, llvm_v4f32_ty, llvm_v8i32_ty, llvm_v4i32_ty], [IntrReadMem]>;
   def int_SI_sample_bias : Intrinsic <[llvm_v4f32_ty], [llvm_i32_ty, llvm_v4f32_ty, llvm_v8i32_ty, llvm_v4i32_ty], [IntrReadMem]>;
+  def int_SI_sample_lod : Intrinsic <[llvm_v4f32_ty], [llvm_i32_ty, llvm_v4f32_ty, llvm_v8i32_ty, llvm_v4i32_ty], [IntrReadMem]>;
 
   /* Interpolation Intrinsics */