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Hi,This patch improves diagnostics on ldp/stp with invalid immediate offset from
test.s:2: Error: address writeback expected at operand 3 -- `ldp x0,x1,[x2,#4]' test.s:3: Error: unexpected address writeback at operand 3 -- `ldp x0,x1,[x2,#4]!' test.s:4: Error: unexpected address writeback at operand 3 -- `ldp x0,x1,[x2],#4'
totest.s:2: Error: immediate value should be a multiple of 8 at operand 3 -- `ldp x0,x1,[x2,#4]' test.s:3: Error: immediate value should be a multiple of 8 at operand 3 -- `ldp x0,x1,[x2,#4]!' test.s:4: Error: immediate value should be a multiple of 8 at operand 3 -- `ldp x0,x1,[x2],#4'
The fix is done by using a lower-priority error code for writeback check, so that the higher-priority error of unaligned immediate offset can be exposed to gas.
OK for the trunk and 2.24? Thanks, Yufeng opcodes/ * aarch64-opc.c (set_syntax_error): New function. (operand_general_constraint_met_p): Replace set_other_error with set_syntax_error. gas/testsuite/ * gas/aarch64/diagnostic.s: Add tests of ldp/stp. * gas/aarch64/diagnostic.l: Update.
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