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Add x86 legalization for fcvt_from_uint.f32x4

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This converts an `i32x4` into an `f32x4` with some rounding either by using an AVX512VL/F instruction--VCVTUDQ2PS--or a long sequence of SSE4.1 compatible instructions.
This commit is contained in:
Andrew Brown
2020-05-26 15:20:30 -07:00
parent 23ed48f269
commit 01d34e71b9
6 changed files with 93 additions and 1 deletions
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2
cranelift/codegen/meta/src/isa/x86/mod.rs
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@@ -48,6 +48,7 @@ pub(crate) fn define(shared_defs: &mut SharedDefinitions) -> TargetIsa {
x86_32.legalize_type(F32, x86_expand);
x86_32.legalize_type(F64, x86_expand);
x86_32.legalize_value_type(VectorType::new(I64.into(), 2), x86_narrow_avx);
x86_32.legalize_value_type(VectorType::new(F32.into(), 4), x86_narrow_avx);
x86_64.legalize_monomorphic(expand_flags);
x86_64.legalize_default(x86_narrow);
@@ -60,6 +61,7 @@ pub(crate) fn define(shared_defs: &mut SharedDefinitions) -> TargetIsa {
x86_64.legalize_type(F32, x86_expand);
x86_64.legalize_type(F64, x86_expand);
x86_64.legalize_value_type(VectorType::new(I64.into(), 2), x86_narrow_avx);
x86_64.legalize_value_type(VectorType::new(F32.into(), 4), x86_narrow_avx);
let recipes = recipes::define(shared_defs, &settings, &regs);