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[SIMD][x86_64] Add encoding for PMADDWD (#2530)

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* [SIMD][x86_64] Add encoding for PMADDWD

* also for "experimental_x64"
This commit is contained in:
Yury Delendik
2020-12-24 07:52:50 -06:00
committed by GitHub
parent ce6e967eeb
commit 2964023a77
7 changed files with 41 additions and 0 deletions
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4
cranelift/codegen/meta/src/isa/x86/encodings.rs
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@@ -1691,6 +1691,7 @@ fn define_simd(
let usub_sat = shared.by_name("usub_sat");
let vconst = shared.by_name("vconst");
let vselect = shared.by_name("vselect");
let widening_pairwise_dot_product_s = shared.by_name("widening_pairwise_dot_product_s");
let x86_cvtt2si = x86.by_name("x86_cvtt2si");
let x86_insertps = x86.by_name("x86_insertps");
let x86_fmax = x86.by_name("x86_fmax");
@@ -2213,6 +2214,9 @@ fn define_simd(
// SIMD multiplication with lane expansion.
e.enc_both_inferred(x86_pmuludq, rec_fa.opcodes(&PMULUDQ));
// SIMD multiplication and add adjacent pairs, from SSE2.
e.enc_both_inferred(widening_pairwise_dot_product_s, rec_fa.opcodes(&PMADDWD));
// SIMD integer multiplication for I64x2 using a AVX512.
{
e.enc_32_64_maybe_isap(

3
cranelift/codegen/meta/src/isa/x86/opcodes.rs
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@@ -508,6 +508,9 @@ pub static VPMULLQ: [u8; 4] = [0x66, 0x0f, 0x38, 0x40];
/// in xmm2/m128, and store the quadword results in xmm1 (SSE2).
pub static PMULUDQ: [u8; 3] = [0x66, 0x0f, 0xf4];
/// Multiply the packed word integers, add adjacent doubleword results.
pub static PMADDWD: [u8; 3] = [0x66, 0x0f, 0xf5];
/// Pop top of stack into r{16,32,64}; increment stack pointer.
pub static POP_REG: [u8; 1] = [0x58];