Add two round-trip failures.

suite/test_roundtrips.py

@@ -42,6 +42,7 @@ roundtrip_tests = [
     ("x64", "sub rcx, qword ptr [eax + 0x38]"),
     ("x64", "test edi, ebx"),
     ("x64", "vaddpd zmm21 {k1} {z}, zmm11, zmmword ptr [rdx + 0x1bc0]"),
+    ("x64", "vaddps zmm3 {k7} {z}, zmm18, dword ptr [r15 + xmm6*4 + 0x1f0]{1to16}"),
     ("x64", "vcvtsd2si edi, qword ptr [rbp + 0x18]"),
     ("x64", "vcvtss2si r9d, dword ptr [rdx - 0x64]"),
     ("x64", "vmaxpd zmm27 {k3}, zmm9, zmmword ptr [r15 - 0xc00]"),
@@ -61,6 +62,7 @@ roundtrip_tests = [
     ("x64", "vpsllq zmm21 {k2}, zmm28, xmmword ptr [rcx - 0x2b0]"),
     ("x64", "vpsravd zmm27, zmm24, zmmword ptr [r10 + 0x5c0]"),
     ("x64", "vpsrlq zmm17 {k7}, zmmword ptr [r9 - 0x1680], 0x73"),
+    ("x64", "vpsubq zmm19 {k4}, zmm24, zmmword ptr [rbx + 0x10c0]"),
     ("x64", "vpxord zmm12 {k5} {z}, zmm8, zmmword ptr [rbp + 0x740]"),
     ("x64", "vpxorq zmm21 {k2}, zmm1, zmmword ptr [rbx - 0x1180]"),
     ("x64", "xchg rax, rax"),