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Define icmp and fcmp comparison instructions.

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Add new intcc and floatcc operand types for the immediate condition codes on
these instructions.

Add new IntCompare and FloatCompare instruction formats.

Add a generic match_enum() parser function that can match any identifier-like
enumerated operand kind that implements FromStr.

Define the icmp and fcmp instructions in case.py. Include documentation for the
condition codes with these two instructions.
This commit is contained in:
Jakob Stoklund Olesen
2016-07-07 11:20:56 -07:00
parent 90bb2fd27d
commit 86688053a6
9 changed files with 218 additions and 52 deletions
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13
meta/cretonne/immediates.py
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@@ -29,3 +29,16 @@ ieee64 = ImmediateKind('ieee64', 'A 64-bit immediate floating point number.')
#: A large SIMD vector constant.
immvector = ImmediateKind('immvector', 'An immediate SIMD vector.')
#: A condition code for comparing integer values.
#:
#: This enumerated operand kind is used for the :cton:inst:`icmp` instruction
#: and corresponds to the `condcodes::IntCC` Rust type.
intcc = ImmediateKind('intcc', 'An integer comparison condition code.')
#: A condition code for comparing floating point values.
#:
#: This enumerated operand kind is used for the :cton:inst:`fcmp` instruction
#: and corresponds to the `condcodes::FloatCC` Rust type.
floatcc = ImmediateKind(
'floatcc', 'A floating point comparison condition code.')