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| author | Tom Stellard <thomas.stellard@amd.com> | 2013-02-07 17:02:13 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2013-02-07 17:02:13 +0000 |
| commit | 914e47bb0c5d01e4c129b8753ef315517aae8f2f (patch) | |
| tree | 5eac6d5b2f75987497e426fdda28d1e343048ed0 /lib/Target/R600/SIInstructions.td | |
| parent | 36ba9091843bd1205fe3499ba4b55bbedc6583c9 (diff) | |
| download | external_llvm-914e47bb0c5d01e4c129b8753ef315517aae8f2f.zip external_llvm-914e47bb0c5d01e4c129b8753ef315517aae8f2f.tar.gz external_llvm-914e47bb0c5d01e4c129b8753ef315517aae8f2f.tar.bz2 | |
R600/SI: Make sample intrinsic address parameter type overloaded.
Handle vectors of 1 to 16 integers.
Change the intrinsic names to prevent the wrong one from being selected at
runtime due to the overloading.
Patch By: Michel Dänzer
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174633 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/R600/SIInstructions.td')
| -rw-r--r-- | lib/Target/R600/SIInstructions.td | 52 |
1 files changed, 34 insertions, 18 deletions
diff --git a/lib/Target/R600/SIInstructions.td b/lib/Target/R600/SIInstructions.td index dd779cf..22ec7fe 100644 --- a/lib/Target/R600/SIInstructions.td +++ b/lib/Target/R600/SIInstructions.td @@ -1186,33 +1186,49 @@ def : Pat < VReg_32:$src0, VReg_32:$src1, VReg_32:$src2, VReg_32:$src3) >; -/* int_SI_sample */ -def : Pat < - (int_SI_sample imm:$writemask, VReg_128:$coord, SReg_256:$rsrc, SReg_128:$sampler, imm), - (IMAGE_SAMPLE imm:$writemask, 0, 0, 0, 0, 0, 0, 0, VReg_128:$coord, - SReg_256:$rsrc, SReg_128:$sampler) ->; +/* int_SI_sample for simple 1D texture lookup */ 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, + (int_SI_sample imm:$writemask, (v1i32 VReg_32:$addr), + SReg_256:$rsrc, SReg_128:$sampler, imm), + (IMAGE_SAMPLE imm:$writemask, 0, 0, 0, 0, 0, 0, 0, + (i32 (COPY_TO_REGCLASS VReg_32:$addr, VReg_32)), 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), - (IMAGE_SAMPLE_L imm:$writemask, 0, 0, 0, 0, 0, 0, 0, VReg_128:$coord, - SReg_256:$rsrc, SReg_128:$sampler) +class SamplePattern<Intrinsic name, MIMG opcode, RegisterClass addr_class, + ValueType addr_type> : Pat < + (name imm:$writemask, (addr_type addr_class:$addr), + SReg_256:$rsrc, SReg_128:$sampler, imm), + (opcode imm:$writemask, 0, 0, 0, 0, 0, 0, 0, + (EXTRACT_SUBREG addr_class:$addr, sub0), + 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, imm), - (IMAGE_SAMPLE_B imm:$writemask, 0, 0, 0, 0, 0, 0, 0, VReg_128:$coord, - SReg_256:$rsrc, SReg_128:$sampler) +class SampleRectPattern<Intrinsic name, MIMG opcode, RegisterClass addr_class, + ValueType addr_type> : Pat < + (name imm:$writemask, (addr_type addr_class:$addr), + SReg_256:$rsrc, SReg_128:$sampler, TEX_RECT), + (opcode imm:$writemask, 1, 0, 0, 0, 0, 0, 0, + (EXTRACT_SUBREG addr_class:$addr, sub0), + SReg_256:$rsrc, SReg_128:$sampler) >; +/* int_SI_sample* for texture lookups consuming more address parameters */ +multiclass SamplePatterns<RegisterClass addr_class, ValueType addr_type> { + def : SamplePattern <int_SI_sample, IMAGE_SAMPLE, addr_class, addr_type>; + def : SampleRectPattern <int_SI_sample, IMAGE_SAMPLE, addr_class, addr_type>; + + def : SamplePattern <int_SI_samplel, IMAGE_SAMPLE_L, addr_class, addr_type>; + + def : SamplePattern <int_SI_sampleb, IMAGE_SAMPLE_B, addr_class, addr_type>; +} + +defm : SamplePatterns<VReg_64, v2i32>; +defm : SamplePatterns<VReg_128, v4i32>; +defm : SamplePatterns<VReg_256, v8i32>; +defm : SamplePatterns<VReg_512, v16i32>; + def CLAMP_SI : CLAMP<VReg_32>; def FABS_SI : FABS<VReg_32>; def FNEG_SI : FNEG<VReg_32>; |