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authorGabe Black <gblack@eecs.umich.edu>2011-09-26 23:48:54 -0700
committerGabe Black <gblack@eecs.umich.edu>2011-09-26 23:48:54 -0700
commit997cbe1c09f6ffff6bee11bb374e3a32601d0f06 (patch)
tree64c6ed0b94a0f6becb47b04f4e4d0e5b2f9c59fc /src/arch/mips/mt_constants.hh
parent56bddab18940e766bdfdeb98e0691a994859dcde (diff)
downloadgem5-997cbe1c09f6ffff6bee11bb374e3a32601d0f06.tar.xz
ISA parser: Use '_' instead of '.' to delimit type modifiers on operands.
By using an underscore, the "." is still available and can unambiguously be used to refer to members of a structure if an operand is a structure, class, etc. This change mostly just replaces the appropriate "."s with "_"s, but there were also a few places where the ISA descriptions where handling the extensions themselves and had their own regular expressions to update. The regular expressions in the isa parser were updated as well. It also now looks for one of the defined type extensions specifically after connecting "_" where before it would look for any sequence of characters after a "." following an operand name and try to use it as the extension. This helps to disambiguate cases where a "_" may legitimately be part of an operand name but not separate the name from the type suffix. Because leaving the "_" and suffix on the variable name still leaves a valid C++ identifier and all extensions need to be consistent in a given context, I considered leaving them on as a breadcrumb that would show what the intended type was for that operand. Unfortunately the operands can be referred to in code templates, the Mem operand in particular, and since the exact type of Mem can be different for different uses of the same template, that broke things.
Diffstat (limited to 'src/arch/mips/mt_constants.hh')
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