diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIInstructions.td')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIInstructions.td | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIInstructions.td b/llvm/lib/Target/AMDGPU/SIInstructions.td index 8163419cd48..6f653c70aca 100644 --- a/llvm/lib/Target/AMDGPU/SIInstructions.td +++ b/llvm/lib/Target/AMDGPU/SIInstructions.td @@ -953,13 +953,13 @@ defm BUFFER_LOAD_SSHORT : MUBUF_Load_Helper < mubuf<0x0b, 0x13>, "buffer_load_sshort", VGPR_32, i32, sextloadi16_global >; defm BUFFER_LOAD_DWORD : MUBUF_Load_Helper < - mubuf<0x0c, 0x14>, "buffer_load_dword", VGPR_32, i32, global_load + mubuf<0x0c, 0x14>, "buffer_load_dword", VGPR_32, i32, mubuf_load >; defm BUFFER_LOAD_DWORDX2 : MUBUF_Load_Helper < - mubuf<0x0d, 0x15>, "buffer_load_dwordx2", VReg_64, v2i32, global_load + mubuf<0x0d, 0x15>, "buffer_load_dwordx2", VReg_64, v2i32, mubuf_load >; defm BUFFER_LOAD_DWORDX4 : MUBUF_Load_Helper < - mubuf<0x0e, 0x17>, "buffer_load_dwordx4", VReg_128, v4i32, global_load + mubuf<0x0e, 0x17>, "buffer_load_dwordx4", VReg_128, v4i32, mubuf_load >; defm BUFFER_STORE_BYTE : MUBUF_Store_Helper < @@ -2087,24 +2087,29 @@ multiclass SMRD_Pattern <string Instr, ValueType vt> { // 1. IMM offset def : Pat < - (constant_load (SMRDImm i64:$sbase, i32:$offset)), + (smrd_load (SMRDImm i64:$sbase, i32:$offset)), (vt (!cast<SMRD>(Instr#"_IMM") $sbase, $offset)) >; // 2. SGPR offset def : Pat < - (constant_load (SMRDSgpr i64:$sbase, i32:$offset)), + (smrd_load (SMRDSgpr i64:$sbase, i32:$offset)), (vt (!cast<SMRD>(Instr#"_SGPR") $sbase, $offset)) >; def : Pat < - (constant_load (SMRDImm32 i64:$sbase, i32:$offset)), + (smrd_load (SMRDImm32 i64:$sbase, i32:$offset)), (vt (!cast<SMRD>(Instr#"_IMM_ci") $sbase, $offset)) > { let Predicates = [isCIOnly]; } } +// Global and constant loads can be selected to either MUBUF or SMRD +// instructions, but SMRD instructions are faster so we want the instruction +// selector to prefer those. +let AddedComplexity = 100 in { + defm : SMRD_Pattern <"S_LOAD_DWORD", i32>; defm : SMRD_Pattern <"S_LOAD_DWORDX2", v2i32>; defm : SMRD_Pattern <"S_LOAD_DWORDX4", v4i32>; @@ -2133,6 +2138,8 @@ def : Pat < } // End Predicates = [isCI] +} // End let AddedComplexity = 10000 + //===----------------------------------------------------------------------===// // SOP1 Patterns //===----------------------------------------------------------------------===// |
