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| author | Richard-Qin-X <richard.qin.001@gmail.com> | 2026-08-16 18:11:01 +0800 |
|---|---|---|
| committer | Richard-Qin-X <richard.qin.001@gmail.com> | 2026-08-16 18:11:01 +0800 |
| commit | 46361bea1f4b1483780d91e4d60d6f44cf0b5706 (patch) | |
| tree | bcda84d6fba958eaa7b17330037d0da86aa940ce /backend/lib/Target/RISCV/RISCVGISelInteger.rccdesc | |
| parent | 6c7422accb0964d37bb826e3fb798f2d86ca3b42 (diff) | |
| download | rcc-project-46361bea1f4b1483780d91e4d60d6f44cf0b5706.tar.gz rcc-project-46361bea1f4b1483780d91e4d60d6f44cf0b5706.tar.xz | |
[RISCV][GlobalISel] Generate pointer arithmetic selections
Diffstat (limited to 'backend/lib/Target/RISCV/RISCVGISelInteger.rccdesc')
| -rw-r--r-- | backend/lib/Target/RISCV/RISCVGISelInteger.rccdesc | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/backend/lib/Target/RISCV/RISCVGISelInteger.rccdesc b/backend/lib/Target/RISCV/RISCVGISelInteger.rccdesc index d8b0a42..9e32842 100644 --- a/backend/lib/Target/RISCV/RISCVGISelInteger.rccdesc +++ b/backend/lib/Target/RISCV/RISCVGISelInteger.rccdesc @@ -1,5 +1,89 @@ selection_rules: - + id: select_g_ptr_add_immediate + priority: 400 + match: + opcode: G_PTR_ADD + result_type: { kind: pointer, bits: 64 } + operand_types: + - { index: 1, kind: pointer, bits: 64 } + - { index: 2, kind: scalar, bits: 64 } + operand_banks: + - { index: 0, bank: GPR } + - { index: 1, bank: GPR } + operand_def_constants: + - index: 2 + ranges: [{ min: -2048, max: 2047 }] + apply: + instructions: + - opcode: ADDI + root: true + operands: + - { operand: 0 } + - { operand: 1 } + - { captured_immediate: 2 } + erase_operand_definitions: [2] + - + id: select_g_ptrmask_immediate + priority: 400 + match: + opcode: G_PTRMASK + result_type: { kind: pointer, bits: 64 } + operand_types: + - { index: 1, kind: pointer, bits: 64 } + - { index: 2, kind: scalar, bits: 64 } + operand_banks: + - { index: 0, bank: GPR } + - { index: 1, bank: GPR } + operand_def_constants: + - index: 2 + ranges: [{ min: -2048, max: 2047 }] + apply: + instructions: + - opcode: ANDI + root: true + operands: + - { operand: 0 } + - { operand: 1 } + - { captured_immediate: 2 } + erase_operand_definitions: [2] + - + id: select_g_ptr_add_register + priority: 100 + match: + opcode: G_PTR_ADD + result_type: { kind: pointer, bits: 64 } + operand_types: + - { index: 1, kind: pointer, bits: 64 } + - { index: 2, kind: scalar, bits: 64 } + operand_banks: + - { index: 0, bank: GPR } + - { index: 1, bank: GPR } + - { index: 2, bank: GPR } + apply: + instructions: + - opcode: ADD + root: true + operands: [{ operand: 0 }, { operand: 1 }, { operand: 2 }] + - + id: select_g_ptrmask_register + priority: 100 + match: + opcode: G_PTRMASK + result_type: { kind: pointer, bits: 64 } + operand_types: + - { index: 1, kind: pointer, bits: 64 } + - { index: 2, kind: scalar, bits: 64 } + operand_banks: + - { index: 0, bank: GPR } + - { index: 1, bank: GPR } + - { index: 2, bank: GPR } + apply: + instructions: + - opcode: AND + root: true + operands: [{ operand: 0 }, { operand: 1 }, { operand: 2 }] + - id: select_g_sllw priority: 100 match: |