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R600/SI: Add support for v2f32 loads

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186615 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard 2013-07-18 21:43:48 +00:00
parent fc047278c1
commit ac85f3f65c
4 changed files with 19 additions and 1 deletions
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3
lib/Target/R600/AMDGPUISelLowering.cpp
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@ -69,6 +69,9 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) :
setOperationAction(ISD::LOAD, MVT::f32, Promote);
AddPromotedToType(ISD::LOAD, MVT::f32, MVT::i32);
setOperationAction(ISD::LOAD, MVT::v2f32, Promote);
AddPromotedToType(ISD::LOAD, MVT::v2f32, MVT::v2i32);
setOperationAction(ISD::LOAD, MVT::v4f32, Promote);
AddPromotedToType(ISD::LOAD, MVT::v4f32, MVT::v4i32);

1
lib/Target/R600/SIInstructions.td
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@ -1707,6 +1707,7 @@ multiclass SMRD_Pattern <SMRD Instr_IMM, SMRD Instr_SGPR, ValueType vt> {
defm : SMRD_Pattern <S_LOAD_DWORD_IMM, S_LOAD_DWORD_SGPR, f32>;
defm : SMRD_Pattern <S_LOAD_DWORD_IMM, S_LOAD_DWORD_SGPR, i32>;
defm : SMRD_Pattern <S_LOAD_DWORDX2_IMM, S_LOAD_DWORDX2_SGPR, i64>;
defm : SMRD_Pattern <S_LOAD_DWORDX2_IMM, S_LOAD_DWORDX2_SGPR, v2i32>;
defm : SMRD_Pattern <S_LOAD_DWORDX4_IMM, S_LOAD_DWORDX4_SGPR, v16i8>;
defm : SMRD_Pattern <S_LOAD_DWORDX8_IMM, S_LOAD_DWORDX8_SGPR, v32i8>;

2
lib/Target/R600/SIRegisterInfo.td
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@ -153,7 +153,7 @@ def SReg_32 : RegisterClass<"AMDGPU", [f32, i32], 32,
(add SGPR_32, M0Reg)
>;
def SReg_64 : RegisterClass<"AMDGPU", [i64, i1], 64,
def SReg_64 : RegisterClass<"AMDGPU", [v2i32, i64, i1], 64,
(add SGPR_64, VCCReg, EXECReg)
>;

14
test/CodeGen/R600/load.ll
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@ -41,6 +41,20 @@ entry:
ret void
}
; load a v2f32 value from the global address space
; R600-CHECK: @load_v2f32
; R600-CHECK: VTX_READ_32
; R600-CHECK: VTX_READ_32
; SI-CHECK: @load_v2f32
; SI-CHECK: BUFFER_LOAD_DWORDX2
define void @load_v2f32(<2 x float> addrspace(1)* %out, <2 x float> addrspace(1)* %in) {
entry:
%0 = load <2 x float> addrspace(1)* %in
store <2 x float> %0, <2 x float> addrspace(1)* %out
ret void
}
; Load an i32 value from the constant address space.
; R600-CHECK: @load_const_addrspace_i32
; R600-CHECK: VTX_READ_32 T{{[0-9]+}}.X, T{{[0-9]+}}.X, 0