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R600: Add support for i32 loads from the constant address space on Cayman

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Tested-By: Aaron Watry <awatry@gmail.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184821 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard 2013-06-25 02:39:30 +00:00
parent fa57da12f7
commit d67d029b6d
2 changed files with 10 additions and 0 deletions
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9
lib/Target/R600/R600Instructions.td
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@ -1755,6 +1755,15 @@ def VTX_READ_GLOBAL_128_cm : VTX_READ_128_cm <1,
[(set v4i32:$dst_gpr, (global_load ADDRVTX_READ:$src_gpr))]
>;
//===----------------------------------------------------------------------===//
// Constant Loads
// XXX: We are currently storing all constants in the global address space.
//===----------------------------------------------------------------------===//
def CONSTANT_LOAD_cm : VTX_READ_32_cm <1,
[(set i32:$dst_gpr, (constant_load ADDRVTX_READ:$src_gpr))]
>;
} // End isCayman
//===----------------------------------------------------------------------===//

1
test/CodeGen/R600/load.ll
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@ -1,4 +1,5 @@
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=R600-CHECK %s
; RUN: llc < %s -march=r600 -mcpu=cayman | FileCheck --check-prefix=R600-CHECK %s
; RUN: llc < %s -march=r600 -mcpu=SI | FileCheck --check-prefix=SI-CHECK %s
; Load an i8 value from the global address space.