derek.holloway
7502bf64a4
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47 lines
1.8 KiB
ArmAsm
47 lines
1.8 KiB
ArmAsm
// Test M-split src2 = FP inline immediate (`1.0`).
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//
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// Differs from K-split FP-imm: there is no carry between halves on
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// the M axis (each half writes a different M-slice of dst), so BOTH
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// halves carry the same src2 imm. Both halves also carry the
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// splitter-added `matrix_a_fmt:MATRIX_FMT_FP4 matrix_b_fmt:MATRIX_FMT_FP4`
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// suffix (the destination opcode v_wmma_f32_16x16x128_f8f6f4 has
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// matrix_*_fmt operands that the source opcode v_wmma_f32_32x16x128_f4
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// does not, and they must be set to MATRIX_FMT_FP4 so the f8f6f4
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// destination interprets the data as the source's f4 layout).
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// RUN: %clang -target amdgcn-amd-amdhsa -mcpu=gfx1250 -nostdlib %s -o %t.elf
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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: --output %t.out.elf \
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// RUN: | %FileCheck --check-prefix=API %s
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// API: RESULT: SUCCESS
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// RUN: %llvm-objdump -d %t.out.elf | %FileCheck --check-prefix=DISASM %s
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.amdgcn_target "amdgcn-amd-amdhsa--gfx1250"
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// DISASM-LABEL: <kernel>:
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// DISASM-NOT: v_wmma_f32_32x16x128_f4
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// DISASM: s_branch
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// DISASM: s_endpgm
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// DISASM: v_wmma_f32_16x16x128_f8f6f4 v[64:71], v[0:7], v[2:9], 1.0 matrix_a_fmt:MATRIX_FMT_FP4 matrix_b_fmt:MATRIX_FMT_FP4
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// DISASM-NEXT: v_wmma_f32_16x16x128_f8f6f4 v[72:79], v[8:15], v[2:9], 1.0 matrix_a_fmt:MATRIX_FMT_FP4 matrix_b_fmt:MATRIX_FMT_FP4
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// DISASM-NEXT: s_branch
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.globl kernel
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.p2align 8
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.type kernel,@function
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kernel:
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v_wmma_f32_32x16x128_f4 v[64:79], v[0:15], v[2:9], 1.0
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s_endpgm
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.size kernel, .-kernel
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// Idempotency.
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// RUN: hotswap-rewrite %t.out.elf \
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// RUN: amdgcn-amd-amdhsa--gfx1250 amdgcn-amd-amdhsa--gfx1250 \
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// RUN: --output %t.out2.elf \
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// RUN: | %FileCheck --check-prefix=API2 %s
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// API2: RESULT: SUCCESS
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// RUN: cmp %t.out.elf %t.out2.elf
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