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Add x86 SIMD instructions for min and max

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Only the I8, I16, and I32 versions are included since Cranelift lacks support for AVX.
This commit is contained in:
Andrew Brown
2019-10-25 10:12:35 -07:00
parent f053595748
commit 0ab5760fd7
5 changed files with 194 additions and 0 deletions
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55
cranelift/codegen/meta/src/isa/x86/instructions.rs
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@@ -487,5 +487,60 @@ pub(crate) fn define(
.operands_out(vec![f]),
);
let x = &Operand::new("x", IxN);
let y = &Operand::new("y", IxN);
let a = &Operand::new("a", IxN);
ig.push(
Inst::new(
"x86_pmaxs",
r#"
Maximum of Packed Signed Integers -- Compare signed integers in the first and second
operand and return the maximum values.
"#,
&formats.binary,
)
.operands_in(vec![x, y])
.operands_out(vec![a]),
);
ig.push(
Inst::new(
"x86_pmaxu",
r#"
Maximum of Packed Unsigned Integers -- Compare unsigned integers in the first and second
operand and return the maximum values.
"#,
&formats.binary,
)
.operands_in(vec![x, y])
.operands_out(vec![a]),
);
ig.push(
Inst::new(
"x86_pmins",
r#"
Minimum of Packed Signed Integers -- Compare signed integers in the first and second
operand and return the minimum values.
"#,
&formats.binary,
)
.operands_in(vec![x, y])
.operands_out(vec![a]),
);
ig.push(
Inst::new(
"x86_pminu",
r#"
Minimum of Packed Unsigned Integers -- Compare unsigned integers in the first and second
operand and return the minimum values.
"#,
&formats.binary,
)
.operands_in(vec![x, y])
.operands_out(vec![a]),
);
ig.build()
}