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authorMichel Dänzer <michel.daenzer@amd.com>2012-11-08 16:04:10 +0100
committerTom Stellard <thomas.stellard@amd.com>2012-11-12 16:02:47 +0000
commitbbf36f3f05aaf86fac356904a51c232d9fdfc6f5 (patch)
tree25be6fde2ebf7d2068d2476b09ca55e0d6809ea6
parentc904ce00b71abd03d4d657e5a30affa60f634363 (diff)
SI: Add intrinsic for sampling with explicit LOD.
Patch by: Michel Dänzer Reviewed-by: Tom Stellard <thomas.stellard@amd.com> Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
-rw-r--r--lib/Target/AMDGPU/SIInstructions.td9
-rw-r--r--lib/Target/AMDGPU/SIIntrinsics.td1
2 files changed, 9 insertions, 1 deletions
diff --git a/lib/Target/AMDGPU/SIInstructions.td b/lib/Target/AMDGPU/SIInstructions.td
index aa31bb5718d..8512b48508c 100644
--- a/lib/Target/AMDGPU/SIInstructions.td
+++ b/lib/Target/AMDGPU/SIInstructions.td
@@ -495,7 +495,7 @@ defm S_LOAD_DWORDX8 : SMRD_Helper <0x00000003, "S_LOAD_DWORDX8", SReg_256, v8i32
//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 @@ def : Pat <
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),
diff --git a/lib/Target/AMDGPU/SIIntrinsics.td b/lib/Target/AMDGPU/SIIntrinsics.td
index f8039d17a36..1008fc42ccf 100644
--- a/lib/Target/AMDGPU/SIIntrinsics.td
+++ b/lib/Target/AMDGPU/SIIntrinsics.td
@@ -24,6 +24,7 @@ let TargetPrefix = "SI", isTarget = 1 in {
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 */