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Stop tracking if instruction formats have multiple results.

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All instruction formats can represent multiple results now, so a few
redundant formats can be removed: UnarySplit and BinaryOverflow.
This commit is contained in:
Jakob Stoklund Olesen
2017-04-13 12:24:20 -07:00
parent e5115d7793
commit b151e942d9
7 changed files with 10 additions and 65 deletions
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15
lib/reader/src/parser.rs
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@@ -1429,12 +1429,6 @@ impl<'a> Parser<'a> {
imm: self.match_ieee64("expected immediate 64-bit float operand")?,
}
}
InstructionFormat::UnarySplit => {
InstructionData::UnarySplit {
opcode: opcode,
arg: self.match_value("expected SSA value operand")?,
}
}
InstructionFormat::Binary => {
let lhs = self.match_value("expected SSA value first operand")?;
self.match_token(Token::Comma, "expected ',' between operands")?;
@@ -1454,15 +1448,6 @@ impl<'a> Parser<'a> {
imm: rhs,
}
}
InstructionFormat::BinaryOverflow => {
let lhs = self.match_value("expected SSA value first operand")?;
self.match_token(Token::Comma, "expected ',' between operands")?;
let rhs = self.match_value("expected SSA value second operand")?;
InstructionData::BinaryOverflow {
opcode: opcode,
args: [lhs, rhs],
}
}
InstructionFormat::Ternary => {
// Names here refer to the `select` instruction.
// This format is also use by `fma`.