diff options
Diffstat (limited to 'lib/Target/AMDGPU/R600RegisterInfo.td')
| -rw-r--r-- | lib/Target/AMDGPU/R600RegisterInfo.td | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/lib/Target/AMDGPU/R600RegisterInfo.td b/lib/Target/AMDGPU/R600RegisterInfo.td new file mode 100644 index 000000000000..cc667d985a82 --- /dev/null +++ b/lib/Target/AMDGPU/R600RegisterInfo.td @@ -0,0 +1,252 @@ + +class R600Reg <string name, bits<16> encoding> : Register<name> { + let Namespace = "AMDGPU"; + let HWEncoding = encoding; +} + +class R600RegWithChan <string name, bits<9> sel, string chan> : + Register <name> { + + field bits<2> chan_encoding = !if(!eq(chan, "X"), 0, + !if(!eq(chan, "Y"), 1, + !if(!eq(chan, "Z"), 2, + !if(!eq(chan, "W"), 3, 0)))); + let HWEncoding{8-0} = sel; + let HWEncoding{10-9} = chan_encoding; + let Namespace = "AMDGPU"; +} + +class R600Reg_128<string n, list<Register> subregs, bits<16> encoding> : + RegisterWithSubRegs<n, subregs> { + field bits<2> chan_encoding = 0; + let Namespace = "AMDGPU"; + let SubRegIndices = [sub0, sub1, sub2, sub3]; + let HWEncoding{8-0} = encoding{8-0}; + let HWEncoding{10-9} = chan_encoding; +} + +class R600Reg_64<string n, list<Register> subregs, bits<16> encoding> : + RegisterWithSubRegs<n, subregs> { + field bits<2> chan_encoding = 0; + let Namespace = "AMDGPU"; + let SubRegIndices = [sub0, sub1]; + let HWEncoding = encoding; + let HWEncoding{8-0} = encoding{8-0}; + let HWEncoding{10-9} = chan_encoding; +} + +class R600Reg_64Vertical<int lo, int hi, string chan> : R600Reg_64 < + "V"#lo#hi#"_"#chan, + [!cast<Register>("T"#lo#"_"#chan), !cast<Register>("T"#hi#"_"#chan)], + lo +>; + +foreach Index = 0-127 in { + foreach Chan = [ "X", "Y", "Z", "W" ] in { + // 32-bit Temporary Registers + def T#Index#_#Chan : R600RegWithChan <"T"#Index#"."#Chan, Index, Chan>; + + // Indirect addressing offset registers + def Addr#Index#_#Chan : R600RegWithChan <"T("#Index#" + AR.x)."#Chan, + Index, Chan>; + } + // 128-bit Temporary Registers + def T#Index#_XYZW : R600Reg_128 <"T"#Index#"", + [!cast<Register>("T"#Index#"_X"), + !cast<Register>("T"#Index#"_Y"), + !cast<Register>("T"#Index#"_Z"), + !cast<Register>("T"#Index#"_W")], + Index>; + + def T#Index#_XY : R600Reg_64 <"T"#Index#"", + [!cast<Register>("T"#Index#"_X"), + !cast<Register>("T"#Index#"_Y")], + Index>; +} + +foreach Chan = [ "X", "Y", "Z", "W"] in { + + let chan_encoding = !if(!eq(Chan, "X"), 0, + !if(!eq(Chan, "Y"), 1, + !if(!eq(Chan, "Z"), 2, + !if(!eq(Chan, "W"), 3, 0)))) in { + def V0123_#Chan : R600Reg_128 <"V0123_"#Chan, + [!cast<Register>("T0_"#Chan), + !cast<Register>("T1_"#Chan), + !cast<Register>("T2_"#Chan), + !cast<Register>("T3_"#Chan)], + 0>; + def V01_#Chan : R600Reg_64Vertical<0, 1, Chan>; + def V23_#Chan : R600Reg_64Vertical<2, 3, Chan>; + } +} + + +// KCACHE_BANK0 +foreach Index = 159-128 in { + foreach Chan = [ "X", "Y", "Z", "W" ] in { + // 32-bit Temporary Registers + def KC0_#Index#_#Chan : R600RegWithChan <"KC0["#!add(Index,-128)#"]."#Chan, Index, Chan>; + } + // 128-bit Temporary Registers + def KC0_#Index#_XYZW : R600Reg_128 <"KC0["#!add(Index, -128)#"].XYZW", + [!cast<Register>("KC0_"#Index#"_X"), + !cast<Register>("KC0_"#Index#"_Y"), + !cast<Register>("KC0_"#Index#"_Z"), + !cast<Register>("KC0_"#Index#"_W")], + Index>; +} + +// KCACHE_BANK1 +foreach Index = 191-160 in { + foreach Chan = [ "X", "Y", "Z", "W" ] in { + // 32-bit Temporary Registers + def KC1_#Index#_#Chan : R600RegWithChan <"KC1["#!add(Index,-160)#"]."#Chan, Index, Chan>; + } + // 128-bit Temporary Registers + def KC1_#Index#_XYZW : R600Reg_128 <"KC1["#!add(Index, -160)#"].XYZW", + [!cast<Register>("KC1_"#Index#"_X"), + !cast<Register>("KC1_"#Index#"_Y"), + !cast<Register>("KC1_"#Index#"_Z"), + !cast<Register>("KC1_"#Index#"_W")], + Index>; +} + + +// Array Base Register holding input in FS +foreach Index = 448-480 in { + def ArrayBase#Index : R600Reg<"ARRAY_BASE", Index>; +} + + +// Special Registers + +def OQA : R600Reg<"OQA", 219>; +def OQB : R600Reg<"OQB", 220>; +def OQAP : R600Reg<"OQAP", 221>; +def OQBP : R600Reg<"OQAP", 222>; +def LDS_DIRECT_A : R600Reg<"LDS_DIRECT_A", 223>; +def LDS_DIRECT_B : R600Reg<"LDS_DIRECT_B", 224>; +def ZERO : R600Reg<"0.0", 248>; +def ONE : R600Reg<"1.0", 249>; +def NEG_ONE : R600Reg<"-1.0", 249>; +def ONE_INT : R600Reg<"1", 250>; +def HALF : R600Reg<"0.5", 252>; +def NEG_HALF : R600Reg<"-0.5", 252>; +def ALU_LITERAL_X : R600RegWithChan<"literal.x", 253, "X">; +def ALU_LITERAL_Y : R600RegWithChan<"literal.y", 253, "Y">; +def ALU_LITERAL_Z : R600RegWithChan<"literal.z", 253, "Z">; +def ALU_LITERAL_W : R600RegWithChan<"literal.w", 253, "W">; +def PV_X : R600RegWithChan<"PV.X", 254, "X">; +def PV_Y : R600RegWithChan<"PV.Y", 254, "Y">; +def PV_Z : R600RegWithChan<"PV.Z", 254, "Z">; +def PV_W : R600RegWithChan<"PV.W", 254, "W">; +def PS: R600Reg<"PS", 255>; +def PREDICATE_BIT : R600Reg<"PredicateBit", 0>; +def PRED_SEL_OFF: R600Reg<"Pred_sel_off", 0>; +def PRED_SEL_ZERO : R600Reg<"Pred_sel_zero", 2>; +def PRED_SEL_ONE : R600Reg<"Pred_sel_one", 3>; +def AR_X : R600Reg<"AR.x", 0>; + +def R600_ArrayBase : RegisterClass <"AMDGPU", [f32, i32], 32, + (add (sequence "ArrayBase%u", 448, 480))>; +// special registers for ALU src operands +// const buffer reference, SRCx_SEL contains index +def ALU_CONST : R600Reg<"CBuf", 0>; +// interpolation param reference, SRCx_SEL contains index +def ALU_PARAM : R600Reg<"Param", 0>; + +let isAllocatable = 0 in { + +def R600_Addr : RegisterClass <"AMDGPU", [i32], 32, (add (sequence "Addr%u_X", 0, 127))>; + +// We only use Addr_[YZW] for vertical vectors. +// FIXME if we add more vertical vector registers we will need to ad more +// registers to these classes. +def R600_Addr_Y : RegisterClass <"AMDGPU", [i32], 32, (add Addr0_Y)>; +def R600_Addr_Z : RegisterClass <"AMDGPU", [i32], 32, (add Addr0_Z)>; +def R600_Addr_W : RegisterClass <"AMDGPU", [i32], 32, (add Addr0_W)>; + +def R600_LDS_SRC_REG : RegisterClass<"AMDGPU", [i32], 32, + (add OQA, OQB, OQAP, OQBP, LDS_DIRECT_A, LDS_DIRECT_B)>; + +def R600_KC0_X : RegisterClass <"AMDGPU", [f32, i32], 32, + (add (sequence "KC0_%u_X", 128, 159))>; + +def R600_KC0_Y : RegisterClass <"AMDGPU", [f32, i32], 32, + (add (sequence "KC0_%u_Y", 128, 159))>; + +def R600_KC0_Z : RegisterClass <"AMDGPU", [f32, i32], 32, + (add (sequence "KC0_%u_Z", 128, 159))>; + +def R600_KC0_W : RegisterClass <"AMDGPU", [f32, i32], 32, + (add (sequence "KC0_%u_W", 128, 159))>; + +def R600_KC0 : RegisterClass <"AMDGPU", [f32, i32], 32, + (interleave R600_KC0_X, R600_KC0_Y, + R600_KC0_Z, R600_KC0_W)>; + +def R600_KC1_X : RegisterClass <"AMDGPU", [f32, i32], 32, + (add (sequence "KC1_%u_X", 160, 191))>; + +def R600_KC1_Y : RegisterClass <"AMDGPU", [f32, i32], 32, + (add (sequence "KC1_%u_Y", 160, 191))>; + +def R600_KC1_Z : RegisterClass <"AMDGPU", [f32, i32], 32, + (add (sequence "KC1_%u_Z", 160, 191))>; + +def R600_KC1_W : RegisterClass <"AMDGPU", [f32, i32], 32, + (add (sequence "KC1_%u_W", 160, 191))>; + +def R600_KC1 : RegisterClass <"AMDGPU", [f32, i32], 32, + (interleave R600_KC1_X, R600_KC1_Y, + R600_KC1_Z, R600_KC1_W)>; + +} // End isAllocatable = 0 + +def R600_TReg32_X : RegisterClass <"AMDGPU", [f32, i32], 32, + (add (sequence "T%u_X", 0, 127), AR_X)>; + +def R600_TReg32_Y : RegisterClass <"AMDGPU", [f32, i32], 32, + (add (sequence "T%u_Y", 0, 127))>; + +def R600_TReg32_Z : RegisterClass <"AMDGPU", [f32, i32], 32, + (add (sequence "T%u_Z", 0, 127))>; + +def R600_TReg32_W : RegisterClass <"AMDGPU", [f32, i32], 32, + (add (sequence "T%u_W", 0, 127))>; + +def R600_TReg32 : RegisterClass <"AMDGPU", [f32, i32], 32, + (interleave R600_TReg32_X, R600_TReg32_Y, + R600_TReg32_Z, R600_TReg32_W)>; + +def R600_Reg32 : RegisterClass <"AMDGPU", [f32, i32], 32, (add + R600_TReg32, + R600_ArrayBase, + R600_Addr, + R600_KC0, R600_KC1, + ZERO, HALF, ONE, ONE_INT, PV_X, ALU_LITERAL_X, NEG_ONE, NEG_HALF, + ALU_CONST, ALU_PARAM, OQAP + )>; + +def R600_Predicate : RegisterClass <"AMDGPU", [i32], 32, (add + PRED_SEL_OFF, PRED_SEL_ZERO, PRED_SEL_ONE)>; + +def R600_Predicate_Bit: RegisterClass <"AMDGPU", [i32], 32, (add + PREDICATE_BIT)>; + +def R600_Reg128 : RegisterClass<"AMDGPU", [v4f32, v4i32], 128, + (add (sequence "T%u_XYZW", 0, 127))> { + let CopyCost = -1; +} + +def R600_Reg128Vertical : RegisterClass<"AMDGPU", [v4f32, v4i32], 128, + (add V0123_W, V0123_Z, V0123_Y, V0123_X) +>; + +def R600_Reg64 : RegisterClass<"AMDGPU", [v2f32, v2i32], 64, + (add (sequence "T%u_XY", 0, 63))>; + +def R600_Reg64Vertical : RegisterClass<"AMDGPU", [v2f32, v2i32], 64, + (add V01_X, V01_Y, V01_Z, V01_W, + V23_X, V23_Y, V23_Z, V23_W)>; |