derek.holloway
7502bf64a4
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58 lines
1.9 KiB
ArmAsm
58 lines
1.9 KiB
ArmAsm
// COM: Fail-closed gate for the 32x16 FP4 block-16 scaled WMMA. The M=32 form
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// COM: needs an M-split on top of the K-split and has no exact lowering yet,
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// COM: so the rewrite refuses it: any unlowerable v_wmma_scale16_f32_* makes the
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// COM: rewrite return an error instead of emitting a wrong code object.
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// RUN: %clang -target amdgcn-amd-amdhsa -mcpu=gfx1250 -nostdlib %s -o %t.elf
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// COM: Default mode: presence of the unlowerable form fails the rewrite.
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// RUN: hotswap-rewrite %t.elf \
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// RUN: amdgcn-amd-amdhsa--gfx1250 amdgcn-amd-amdhsa--gfx1250 \
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// RUN: --expect-status ERROR \
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// RUN: | %FileCheck --check-prefix=REFUSE %s
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// REFUSE: RESULT: ERROR
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// COM: Strict mode: same fail-closed result.
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// RUN: hotswap-rewrite %t.elf \
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// RUN: amdgcn-amd-amdhsa--gfx1250 amdgcn-amd-amdhsa--gfx1250 \
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// RUN: --strict-mode --expect-status ERROR \
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// RUN: | %FileCheck --check-prefix=REFUSE %s
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.amdgcn_target "amdgcn-amd-amdhsa--gfx1250"
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.text
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// --- Scale16 32x16 FP4 (block-16) -> refuse (fail closed) ---
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.globl test_wmma_scale16_32x16
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.p2align 8
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.type test_wmma_scale16_32x16,@function
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test_wmma_scale16_32x16:
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v_wmma_scale16_f32_32x16x128_f4 v[0:15], v[16:31], v[32:39], v[0:15], v[40:41], v[42:43]
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s_endpgm
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.Ltest_wmma_scale16_32x16_end:
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.size test_wmma_scale16_32x16, .Ltest_wmma_scale16_32x16_end-test_wmma_scale16_32x16
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.rodata
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.p2align 8
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.amdhsa_kernel test_wmma_scale16_32x16
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.amdhsa_next_free_vgpr 44
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.amdhsa_next_free_sgpr 2
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.amdhsa_wavefront_size32 1
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.end_amdhsa_kernel
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.amdgpu_metadata
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amdhsa.version:
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- 3
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- 0
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amdhsa.kernels:
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- .name: test_wmma_scale16_32x16
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.symbol: test_wmma_scale16_32x16.kd
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.sgpr_count: 2
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.vgpr_count: 44
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.kernarg_segment_size: 0
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.group_segment_fixed_size: 0
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.private_segment_fixed_size: 0
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.kernarg_segment_align: 8
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.wavefront_size: 32
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.max_flat_workgroup_size: 256
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.end_amdgpu_metadata
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