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Test added as per discussion in http://reviews.llvm.org/D20588. The macro is just a demonstration, useless in practice. Coding style fixes. Differential Revision: http://reviews.llvm.org/D20797 llvm-svn: 271675
36 lines
1.1 KiB
ArmAsm
36 lines
1.1 KiB
ArmAsm
// RUN: llvm-mc -arch=amdgcn -mcpu=fiji %s | FileCheck %s --check-prefix=VI
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//===----------------------------------------------------------------------===//
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// Example of reg[expr] and reg[epxr1:expr2] syntax in macros.
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//===----------------------------------------------------------------------===//
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.macro REG_NUM_EXPR_EXAMPLE width iter iter_end
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.if \width == 4
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flat_load_dwordx4 v[8 + (\iter * 4):8 + (\iter * 4) + 3], v[2:3]
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.else
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flat_load_dword v[8 + \iter], v[2:3]
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.endif
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.if (\iter_end - \iter)
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REG_NUM_EXPR_EXAMPLE \width, (\iter + 1), \iter_end
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.endif
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.endm
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REG_NUM_EXPR_EXAMPLE 4, 0, 0
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// VI: flat_load_dwordx4 v[8:11], v[2:3]
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REG_NUM_EXPR_EXAMPLE 1, 0, 0
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// VI: flat_load_dword v8, v[2:3]
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REG_NUM_EXPR_EXAMPLE 4, 1, 4
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// VI: flat_load_dwordx4 v[12:15], v[2:3]
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// VI: flat_load_dwordx4 v[16:19], v[2:3]
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// VI: flat_load_dwordx4 v[20:23], v[2:3]
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// VI: flat_load_dwordx4 v[24:27], v[2:3]
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REG_NUM_EXPR_EXAMPLE 1, 1, 4
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// VI: flat_load_dword v9, v[2:3]
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// VI: flat_load_dword v10, v[2:3]
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// VI: flat_load_dword v11, v[2:3]
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// VI: flat_load_dword v12, v[2:3]
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