X86: Use the right field when using legacy prefixes to distinguish instructions.

diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
index c344ee550977b79d1a2d73ee3ea01d657abdb6c7..401e029652d3484f35c0644f8204fde54eed4bab 100644 (file)
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
@@ -1067,7 +1067,7 @@
                 }
                 default: Inst::UD2();
             }
-            0x1E: decode OPCODE_OP_BOTTOM3 {
+            0x1E: decode LEGACY_DECODEVAL {
                 // no prefix
                 0x0: decode OPCODE_OP_BOTTOM3 {
                     0x1: psllw_Pq_Qq();