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| author | Richard-Qin-X <richard.qin.001@gmail.com> | 2026-08-19 02:59:49 +0800 |
|---|---|---|
| committer | Richard-Qin-X <richard.qin.001@gmail.com> | 2026-08-19 02:59:49 +0800 |
| commit | 0461d2ba6bf1aedbd0d39e5da4daf90137bf61a7 (patch) | |
| tree | 650bf61dba401fd4200f108cb99c80183724402b /backend/lib/Target/RISCV/RISCVGISelFloating.rccdesc | |
| parent | 6c97d54954112be9a5badacaec8efa1d05bd7d15 (diff) | |
| download | rcc-project-0461d2ba6bf1aedbd0d39e5da4daf90137bf61a7.tar.gz rcc-project-0461d2ba6bf1aedbd0d39e5da4daf90137bf61a7.tar.xz | |
[RISCV][GlobalISel] Generate select instruction matching
Diffstat (limited to 'backend/lib/Target/RISCV/RISCVGISelFloating.rccdesc')
| -rw-r--r-- | backend/lib/Target/RISCV/RISCVGISelFloating.rccdesc | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/backend/lib/Target/RISCV/RISCVGISelFloating.rccdesc b/backend/lib/Target/RISCV/RISCVGISelFloating.rccdesc index bcf12c0..18046b5 100644 --- a/backend/lib/Target/RISCV/RISCVGISelFloating.rccdesc +++ b/backend/lib/Target/RISCV/RISCVGISelFloating.rccdesc @@ -637,3 +637,47 @@ selection_rules: - opcode: FCVT_D_LU root: true operands: [{ operand: 0 }, { operand: 1 }, { immediate: 7 }] + - + id: select_g_select_fpr32 + priority: 100 + match: + opcode: G_SELECT + result_type: { kind: scalar, bits: 32 } + operand_banks: + - { index: 0, bank: FPR } + - { index: 1, bank: GPR } + - { index: 2, bank: FPR } + - { index: 3, bank: FPR } + apply: + instructions: + - opcode: Select_FPR32_Using_CC_GPR + root: true + operands: + - { operand: 0 } + - { complex: select_condition_lhs, operand: 1 } + - { complex: select_condition_rhs, operand: 1 } + - { complex: select_condition_code, operand: 1 } + - { operand: 2 } + - { operand: 3 } + - + id: select_g_select_fpr64 + priority: 100 + match: + opcode: G_SELECT + result_type: { kind: scalar, bits: 64 } + operand_banks: + - { index: 0, bank: FPR } + - { index: 1, bank: GPR } + - { index: 2, bank: FPR } + - { index: 3, bank: FPR } + apply: + instructions: + - opcode: Select_FPR64_Using_CC_GPR + root: true + operands: + - { operand: 0 } + - { complex: select_condition_lhs, operand: 1 } + - { complex: select_condition_rhs, operand: 1 } + - { complex: select_condition_code, operand: 1 } + - { operand: 2 } + - { operand: 3 } |