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2bc6ad9b20
Summary: GCC Accepts both (reg) and 0(reg) for atomic instruction memory operands. These instructions do not allow for an offset in their encoding, so in the latter case, the 0 is silently dropped. Due to how we have structured the RISCVAsmParser, the easiest way to add support for parsing this offset is to add a custom AsmOperand and parser. This parser drops all the parens, and just keeps the register. This commit also adds a custom printer for these operands, which matches the GCC canonical printer, printing both `(a0)` and `0(a0)` as `(a0)`. Reviewers: asb, lewis-revill Reviewed By: asb Subscribers: s.egerton, hiraditya, rbar, johnrusso, simoncook, apazos, sabuasal, niosHD, kito-cheng, shiva0217, jrtc27, MaskRay, zzheng, edward-jones, rogfer01, MartinMosbeck, brucehoult, the_o, rkruppe, jfb, PkmX, jocewei, psnobl, benna, Jim, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D65205 llvm-svn: 367553
94 lines
6.3 KiB
ArmAsm
94 lines
6.3 KiB
ArmAsm
# RUN: not llvm-mc %s -triple=riscv32 2>&1 | FileCheck %s
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# RUN: not llvm-mc %s -triple=riscv64 2>&1 | FileCheck %s
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# The below tests for lr(.w), sc(.w) and amo*(.w), using `0(reg)` are actually
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# implemented using a custom parser. These tests ensure the custom parser gives
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# good error messages.
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lr.w a1, a0 # CHECK: :[[@LINE]]:10: error: expected '(' or optional integer offset
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lr.w a1, foo # CHECK: :[[@LINE]]:10: error: expected '(' or optional integer offset
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lr.w a1, 1(a0) # CHECK: :[[@LINE]]:10: error: optional integer offset must be 0
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lr.w a1, (foo) # CHECK: :[[@LINE]]:11: error: expected register
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lr.w a1, 0(foo) # CHECK: :[[@LINE]]:12: error: expected register
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lr.w a1, 0(a0 # CHECK: :[[@LINE]]:17: error: expected ')'
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lr.w a1, (a0 # CHECK: :[[@LINE]]:17: error: expected ')'
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sc.w a2, a1, a0 # CHECK: :[[@LINE]]:14: error: expected '(' or optional integer offset
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sc.w a2, a1, foo # CHECK: :[[@LINE]]:14: error: expected '(' or optional integer offset
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sc.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:14: error: optional integer offset must be 0
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sc.w a2, a1, (foo) # CHECK: :[[@LINE]]:15: error: expected register
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sc.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:16: error: expected register
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sc.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:21: error: expected ')'
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sc.w a2, a1, (a0 # CHECK: :[[@LINE]]:21: error: expected ')'
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amoswap.w a2, a1, a0 # CHECK: :[[@LINE]]:19: error: expected '(' or optional integer offset
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amoswap.w a2, a1, foo # CHECK: :[[@LINE]]:19: error: expected '(' or optional integer offset
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amoswap.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:19: error: optional integer offset must be 0
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amoswap.w a2, a1, (foo) # CHECK: :[[@LINE]]:20: error: expected register
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amoswap.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:21: error: expected register
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amoswap.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:26: error: expected ')'
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amoswap.w a2, a1, (a0 # CHECK: :[[@LINE]]:26: error: expected ')'
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amoadd.w a2, a1, a0 # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
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amoadd.w a2, a1, foo # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
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amoadd.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:18: error: optional integer offset must be 0
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amoadd.w a2, a1, (foo) # CHECK: :[[@LINE]]:19: error: expected register
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amoadd.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:20: error: expected register
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amoadd.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:25: error: expected ')'
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amoadd.w a2, a1, (a0 # CHECK: :[[@LINE]]:25: error: expected ')'
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amoxor.w a2, a1, a0 # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
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amoxor.w a2, a1, foo # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
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amoxor.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:18: error: optional integer offset must be 0
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amoxor.w a2, a1, (foo) # CHECK: :[[@LINE]]:19: error: expected register
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amoxor.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:20: error: expected register
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amoxor.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:25: error: expected ')'
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amoxor.w a2, a1, (a0 # CHECK: :[[@LINE]]:25: error: expected ')'
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amoand.w a2, a1, a0 # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
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amoand.w a2, a1, foo # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
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amoand.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:18: error: optional integer offset must be 0
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amoand.w a2, a1, (foo) # CHECK: :[[@LINE]]:19: error: expected register
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amoand.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:20: error: expected register
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amoand.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:25: error: expected ')'
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amoand.w a2, a1, (a0 # CHECK: :[[@LINE]]:25: error: expected ')'
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amoor.w a2, a1, a0 # CHECK: :[[@LINE]]:17: error: expected '(' or optional integer offset
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amoor.w a2, a1, foo # CHECK: :[[@LINE]]:17: error: expected '(' or optional integer offset
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amoor.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:17: error: optional integer offset must be 0
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amoor.w a2, a1, (foo) # CHECK: :[[@LINE]]:18: error: expected register
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amoor.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:19: error: expected register
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amoor.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:24: error: expected ')'
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amoor.w a2, a1, (a0 # CHECK: :[[@LINE]]:24: error: expected ')'
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amomin.w a2, a1, a0 # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
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amomin.w a2, a1, foo # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
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amomin.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:18: error: optional integer offset must be 0
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amomin.w a2, a1, (foo) # CHECK: :[[@LINE]]:19: error: expected register
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amomin.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:20: error: expected register
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amomin.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:25: error: expected ')'
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amomin.w a2, a1, (a0 # CHECK: :[[@LINE]]:25: error: expected ')'
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amomax.w a2, a1, a0 # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
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amomax.w a2, a1, foo # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
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amomax.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:18: error: optional integer offset must be 0
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amomax.w a2, a1, (foo) # CHECK: :[[@LINE]]:19: error: expected register
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amomax.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:20: error: expected register
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amomax.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:25: error: expected ')'
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amomax.w a2, a1, (a0 # CHECK: :[[@LINE]]:25: error: expected ')'
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amominu.w a2, a1, a0 # CHECK: :[[@LINE]]:19: error: expected '(' or optional integer offset
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amominu.w a2, a1, foo # CHECK: :[[@LINE]]:19: error: expected '(' or optional integer offset
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amominu.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:19: error: optional integer offset must be 0
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amominu.w a2, a1, (foo) # CHECK: :[[@LINE]]:20: error: expected register
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amominu.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:21: error: expected register
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amominu.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:26: error: expected ')'
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amominu.w a2, a1, (a0 # CHECK: :[[@LINE]]:26: error: expected ')'
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amomaxu.w a2, a1, a0 # CHECK: :[[@LINE]]:19: error: expected '(' or optional integer offset
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amomaxu.w a2, a1, foo # CHECK: :[[@LINE]]:19: error: expected '(' or optional integer offset
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amomaxu.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:19: error: optional integer offset must be 0
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amomaxu.w a2, a1, (foo) # CHECK: :[[@LINE]]:20: error: expected register
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amomaxu.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:21: error: expected register
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amomaxu.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:26: error: expected ')'
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amomaxu.w a2, a1, (a0 # CHECK: :[[@LINE]]:26: error: expected ')' |