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There is an in-progress proposal for the following pseudo-instructions in the assembler, to complement the existing `sext.w` rv64i instruction: - sext.b - sext.h - zext.b - zext.h - zext.w The `.b` and `.h` variants are available with rv32i and rv64i, and `zext.w` is only available with `rv64i`. These are implemented primarily as pseudo-instructions, as these instructions expand to multiple real instructions. In the case of `zext.b`, this expands to a single rv32/64i instruction, so it is implemented with an InstAlias (like `sext.w` is on rv64i). The proposal is available here: https://github.com/riscv/riscv-asm-manual/pull/61 Reviewed By: asb Differential Revision: https://reviews.llvm.org/D92793
28 lines
1.5 KiB
ArmAsm
28 lines
1.5 KiB
ArmAsm
# UNSUPPORTED: windows
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# RUN: not llvm-mc -triple=riscv32 -riscv-no-aliases < %s -o /dev/null 2>&1 | FileCheck %s
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# RUN: not llvm-mc -triple=riscv32 < %s -o /dev/null 2>&1 | FileCheck %s
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# TODO ld
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# TODO sd
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li x0, 4294967296 # CHECK: :[[@LINE]]:8: error: immediate must be an integer in the range [-2147483648, 4294967295]
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li x0, -2147483649 # CHECK: :[[@LINE]]:8: error: immediate must be an integer in the range [-2147483648, 4294967295]
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li t4, foo # CHECK: :[[@LINE]]:8: error: immediate must be an integer in the range [-2147483648, 4294967295]
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negw x1, x2 # CHECK: :[[@LINE]]:1: error: instruction requires the following: RV64I Base Instruction Set
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sext.w x3, x4 # CHECK: :[[@LINE]]:1: error: instruction requires the following: RV64I Base Instruction Set
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zext.w x3, x4 # CHECK: :[[@LINE]]:1: error: instruction requires the following: RV64I Base Instruction Set
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sll x2, x3, 32 # CHECK: :[[@LINE]]:13: error: immediate must be an integer in the range [0, 31]
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srl x2, x3, 32 # CHECK: :[[@LINE]]:13: error: immediate must be an integer in the range [0, 31]
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sra x2, x3, 32 # CHECK: :[[@LINE]]:13: error: immediate must be an integer in the range [0, 31]
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sll x2, x3, -1 # CHECK: :[[@LINE]]:13: error: immediate must be an integer in the range [0, 31]
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srl x2, x3, -2 # CHECK: :[[@LINE]]:13: error: immediate must be an integer in the range [0, 31]
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sra x2, x3, -3 # CHECK: :[[@LINE]]:13: error: immediate must be an integer in the range [0, 31]
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addi x1, . # CHECK: :[[@LINE]]:10: error: invalid operand for instruction
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foo:
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.space 4
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