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

* [SIMD][x86_64] Add encoding for PMADDWD * also for "experimental_x64"
2020-12-24 07:52:50 -06:00
parent ce6e967eeb
commit 2964023a77
7 changed files with 41 additions and 0 deletions
--- a/cranelift/codegen/meta/src/isa/x86/opcodes.rs
+++ b/cranelift/codegen/meta/src/isa/x86/opcodes.rs
@@ -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];