derek.holloway
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58 lines
2.4 KiB
ArmAsm
58 lines
2.4 KiB
ArmAsm
// A K-split's second half replaces src2 with dst. Even when neither source
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// slice crosses v255, the temporary src2 bank must therefore match the
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// incoming dst bank. Preserve and restore every other incoming mode field.
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// RUN: %clang -target amdgcn-amd-amdhsa -mcpu=gfx1250 -nostdlib %s -o %t.elf
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// RUN: env AMD_COMGR_EMIT_VERBOSE_LOGS=1 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 2>&1 | %FileCheck --check-prefix=API %s
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// API-COUNT-2: WMMA split: patched v_wmma_f32_16x16x128_fp8_fp8
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// API-NOT: error:
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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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// DISASM-LABEL: <test_wmma_k_src2_role>:
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// DISASM-NEXT: s_set_vgpr_msb 0x60
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// DISASM-NEXT: s_branch
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// DISASM-LABEL: <test_wmma_k_vgpr_src2_role>:
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// DISASM-NEXT: s_set_vgpr_msb 0x60
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// DISASM-NEXT: s_branch
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// DISASM: v_wmma_f32_16x16x64_fp8_fp8 v[32:39], v[0:7], v[16:23], 0
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// DISASM-NEXT: s_set_vgpr_msb 0x6050
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// DISASM-NEXT: v_wmma_f32_16x16x64_fp8_fp8 v[32:39]{{.*}}, v[8:15], v[24:31], v[32:39]
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// DISASM-NEXT: s_set_vgpr_msb 0x5060
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// DISASM-NEXT: s_branch
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// DISASM: v_wmma_f32_16x16x64_fp8_fp8 v[32:39], v[0:7], v[16:23], v[40:47]
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// DISASM-NEXT: s_set_vgpr_msb 0x6050
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// DISASM-NEXT: v_wmma_f32_16x16x64_fp8_fp8 v[32:39]{{.*}}, v[8:15], v[24:31], v[32:39]
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// DISASM-NEXT: s_set_vgpr_msb 0x5060
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// DISASM-NEXT: s_branch
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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: --check-idempotent | %FileCheck --check-prefix=IDEM %s
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// IDEM: IDEMPOTENT: YES
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.amdgcn_target "amdgcn-amd-amdhsa--gfx1250"
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.text
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.globl test_wmma_k_src2_role
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.p2align 8
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.type test_wmma_k_src2_role,@function
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test_wmma_k_src2_role:
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// Incoming mode: dst=1, src2=2, src0=src1=0.
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s_set_vgpr_msb 0x60
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v_wmma_f32_16x16x128_fp8_fp8 v[32:39], v[0:15], v[16:31], 0
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s_endpgm
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.size test_wmma_k_src2_role, .-test_wmma_k_src2_role
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.globl test_wmma_k_vgpr_src2_role
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.p2align 8
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.type test_wmma_k_vgpr_src2_role,@function
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test_wmma_k_vgpr_src2_role:
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// The first half must read src2 from bank 2. The second half replaces that
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// operand with dst and must therefore select bank 1 before restoring bank 2.
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s_set_vgpr_msb 0x60
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v_wmma_f32_16x16x128_fp8_fp8 v[32:39], v[0:15], v[16:31], v[40:47]
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s_endpgm
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.size test_wmma_k_vgpr_src2_role, .-test_wmma_k_vgpr_src2_role
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