Add x86_pmuludq

This instruction multiplies the lower 32 bits of two 64x2 unsigned integers into an i64x2; this is necessary for lowering Wasm's i64x2.mul.
2020-05-21 12:21:49 -07:00
parent 40f31375a5
commit df171f01b5
5 changed files with 45 additions and 5 deletions
--- a/cranelift/filetests/filetests/isa/x86/simd-arithmetic-binemit.clif
+++ b/cranelift/filetests/filetests/isa/x86/simd-arithmetic-binemit.clif
@@ -99,3 +99,9 @@ block0(v0: f64x2 [%xmm11], v1: f64x2 [%xmm13]):
 [-, %xmm11]    v8 = sqrt v0          ; bin: 66 45 0f 51 db
    return
 }
+
+function %pmuludq(i64x2, i64x2) -> i64x2 {
+block0(v0: i64x2 [%xmm3], v1: i64x2 [%xmm5]):
+[-, %xmm3]    v2 = x86_pmuludq v0, v1      ; bin: 66 0f f4 dd
+    return v2
+}