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llvm-mirror/test/MC/RISCV/rva-aliases-invalid.s
Sam Elliott 2bc6ad9b20 [RISCV] Add Custom Parser for Atomic Memory Operands
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
2019-08-01 12:42:31 +00:00

94 lines
6.3 KiB
ArmAsm

# RUN: not llvm-mc %s -triple=riscv32 2>&1 | FileCheck %s
# RUN: not llvm-mc %s -triple=riscv64 2>&1 | FileCheck %s
# The below tests for lr(.w), sc(.w) and amo*(.w), using `0(reg)` are actually
# implemented using a custom parser. These tests ensure the custom parser gives
# good error messages.
lr.w a1, a0 # CHECK: :[[@LINE]]:10: error: expected '(' or optional integer offset
lr.w a1, foo # CHECK: :[[@LINE]]:10: error: expected '(' or optional integer offset
lr.w a1, 1(a0) # CHECK: :[[@LINE]]:10: error: optional integer offset must be 0
lr.w a1, (foo) # CHECK: :[[@LINE]]:11: error: expected register
lr.w a1, 0(foo) # CHECK: :[[@LINE]]:12: error: expected register
lr.w a1, 0(a0 # CHECK: :[[@LINE]]:17: error: expected ')'
lr.w a1, (a0 # CHECK: :[[@LINE]]:17: error: expected ')'
sc.w a2, a1, a0 # CHECK: :[[@LINE]]:14: error: expected '(' or optional integer offset
sc.w a2, a1, foo # CHECK: :[[@LINE]]:14: error: expected '(' or optional integer offset
sc.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:14: error: optional integer offset must be 0
sc.w a2, a1, (foo) # CHECK: :[[@LINE]]:15: error: expected register
sc.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:16: error: expected register
sc.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:21: error: expected ')'
sc.w a2, a1, (a0 # CHECK: :[[@LINE]]:21: error: expected ')'
amoswap.w a2, a1, a0 # CHECK: :[[@LINE]]:19: error: expected '(' or optional integer offset
amoswap.w a2, a1, foo # CHECK: :[[@LINE]]:19: error: expected '(' or optional integer offset
amoswap.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:19: error: optional integer offset must be 0
amoswap.w a2, a1, (foo) # CHECK: :[[@LINE]]:20: error: expected register
amoswap.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:21: error: expected register
amoswap.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:26: error: expected ')'
amoswap.w a2, a1, (a0 # CHECK: :[[@LINE]]:26: error: expected ')'
amoadd.w a2, a1, a0 # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
amoadd.w a2, a1, foo # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
amoadd.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:18: error: optional integer offset must be 0
amoadd.w a2, a1, (foo) # CHECK: :[[@LINE]]:19: error: expected register
amoadd.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:20: error: expected register
amoadd.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:25: error: expected ')'
amoadd.w a2, a1, (a0 # CHECK: :[[@LINE]]:25: error: expected ')'
amoxor.w a2, a1, a0 # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
amoxor.w a2, a1, foo # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
amoxor.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:18: error: optional integer offset must be 0
amoxor.w a2, a1, (foo) # CHECK: :[[@LINE]]:19: error: expected register
amoxor.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:20: error: expected register
amoxor.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:25: error: expected ')'
amoxor.w a2, a1, (a0 # CHECK: :[[@LINE]]:25: error: expected ')'
amoand.w a2, a1, a0 # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
amoand.w a2, a1, foo # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
amoand.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:18: error: optional integer offset must be 0
amoand.w a2, a1, (foo) # CHECK: :[[@LINE]]:19: error: expected register
amoand.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:20: error: expected register
amoand.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:25: error: expected ')'
amoand.w a2, a1, (a0 # CHECK: :[[@LINE]]:25: error: expected ')'
amoor.w a2, a1, a0 # CHECK: :[[@LINE]]:17: error: expected '(' or optional integer offset
amoor.w a2, a1, foo # CHECK: :[[@LINE]]:17: error: expected '(' or optional integer offset
amoor.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:17: error: optional integer offset must be 0
amoor.w a2, a1, (foo) # CHECK: :[[@LINE]]:18: error: expected register
amoor.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:19: error: expected register
amoor.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:24: error: expected ')'
amoor.w a2, a1, (a0 # CHECK: :[[@LINE]]:24: error: expected ')'
amomin.w a2, a1, a0 # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
amomin.w a2, a1, foo # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
amomin.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:18: error: optional integer offset must be 0
amomin.w a2, a1, (foo) # CHECK: :[[@LINE]]:19: error: expected register
amomin.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:20: error: expected register
amomin.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:25: error: expected ')'
amomin.w a2, a1, (a0 # CHECK: :[[@LINE]]:25: error: expected ')'
amomax.w a2, a1, a0 # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
amomax.w a2, a1, foo # CHECK: :[[@LINE]]:18: error: expected '(' or optional integer offset
amomax.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:18: error: optional integer offset must be 0
amomax.w a2, a1, (foo) # CHECK: :[[@LINE]]:19: error: expected register
amomax.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:20: error: expected register
amomax.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:25: error: expected ')'
amomax.w a2, a1, (a0 # CHECK: :[[@LINE]]:25: error: expected ')'
amominu.w a2, a1, a0 # CHECK: :[[@LINE]]:19: error: expected '(' or optional integer offset
amominu.w a2, a1, foo # CHECK: :[[@LINE]]:19: error: expected '(' or optional integer offset
amominu.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:19: error: optional integer offset must be 0
amominu.w a2, a1, (foo) # CHECK: :[[@LINE]]:20: error: expected register
amominu.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:21: error: expected register
amominu.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:26: error: expected ')'
amominu.w a2, a1, (a0 # CHECK: :[[@LINE]]:26: error: expected ')'
amomaxu.w a2, a1, a0 # CHECK: :[[@LINE]]:19: error: expected '(' or optional integer offset
amomaxu.w a2, a1, foo # CHECK: :[[@LINE]]:19: error: expected '(' or optional integer offset
amomaxu.w a2, a1, 1(a0) # CHECK: :[[@LINE]]:19: error: optional integer offset must be 0
amomaxu.w a2, a1, (foo) # CHECK: :[[@LINE]]:20: error: expected register
amomaxu.w a2, a1, 0(foo) # CHECK: :[[@LINE]]:21: error: expected register
amomaxu.w a2, a1, 0(a0 # CHECK: :[[@LINE]]:26: error: expected ')'
amomaxu.w a2, a1, (a0 # CHECK: :[[@LINE]]:26: error: expected ')'