unittests: Add missing VPMASKMOVQ store test

Realized I forgot to add this in the commit that added
VPMASKMOVD/VPMASKMOVQ support.

unittests/ASM/VEX/vpmaskmovq_store.asm

@@ -0,0 +1,104 @@
+%ifdef CONFIG
+{
+  "HostFeatures": ["AVX"],
+  "RegData": {
+      "XMM0": ["0x8868C3F30AED56E0", "0x10FCE9E284E6E6DE", "0x1DDDDDDD8DDDDDDD", "0x8CCCCCCC0CCCCCCC"],
+      "XMM1": ["0x0000000000000000", "0x0000000000000000", "0x0000000000000000", "0x0000000000000000"],
+      "XMM2": ["0x8000000080000000", "0x8000000080000000", "0x8000000080000000", "0x8000000080000000"],
+      "XMM3": ["0xA76C4F06A12BFCE0", "0x9B80767F1E6A060F", "0xDDDDDDDDDDDDDDDD", "0xEEEEEEEEEEEEEEEE"],
+      "XMM4": ["0xA76C4F06A12BFCE0", "0xFFFFFFFFFFFFFFFF", "0xFFFFFFFFFFFFFFFF", "0xEEEEEEEEEEEEEEEE"],
+      "XMM5": ["0xA76C4F06A12BFCE0", "0xFFFFFFFFFFFFFFFF", "0xFFFFFFFFFFFFFFFF", "0xFFFFFFFFFFFFFFFF"],
+      "XMM6": ["0xFFFFFFFFFFFFFFFF", "0xFFFFFFFFFFFFFFFF", "0xFFFFFFFFFFFFFFFF", "0xFFFFFFFFFFFFFFFF"],
+      "XMM7": ["0xFFFFFFFFFFFFFFFF", "0xFFFFFFFFFFFFFFFF", "0xFFFFFFFFFFFFFFFF", "0xFFFFFFFFFFFFFFFF"],
+      "XMM8": ["0xA76C4F06A12BFCE0", "0x9B80767F1E6A060F", "0xDDDDDDDDDDDDDDDD", "0xEEEEEEEEEEEEEEEE"],
+      "XMM9": ["0xA76C4F06A12BFCE0", "0x9B80767F1E6A060F", "0xFFFFFFFFFFFFFFFF", "0xFFFFFFFFFFFFFFFF"]
+  }
+}
+%endif
+
+lea rdx, [rel .data]
+
+vmovaps ymm0, [rdx + 32]
+vmovaps ymm1, [rdx + 64]
+vmovaps ymm2, [rdx + 96]
+vmovaps ymm3, [rdx]
+
+vpmaskmovq [rel .scratch1], ymm0, ymm3
+vpmaskmovq [rel .scratch2], xmm0, xmm3
+
+vpmaskmovq [rel .scratch3], ymm1, ymm3
+vpmaskmovq [rel .scratch4], xmm1, xmm3
+
+vpmaskmovq [rel .scratch5], ymm2, ymm3
+vpmaskmovq [rel .scratch6], xmm2, xmm3
+
+; Now reload to verify results
+vmovaps ymm4, [rel .scratch1]
+vmovaps ymm5, [rel .scratch2]
+vmovaps ymm6, [rel .scratch3]
+vmovaps ymm7, [rel .scratch4]
+vmovaps ymm8, [rel .scratch5]
+vmovaps ymm9, [rel .scratch6]
+
+hlt
+
+align 32
+.data:
+dq 0xA76C4F06A12BFCE0
+dq 0x9B80767F1E6A060F
+dq 0xDDDDDDDDDDDDDDDD
+dq 0xEEEEEEEEEEEEEEEE
+
+; Disastrously organized mask (sign mask [1, 0, 0, 1])
+dq 0x8868C3F30AED56E0
+dq 0x10FCE9E284E6E6DE
+dq 0x1DDDDDDD8DDDDDDD
+dq 0x8CCCCCCC0CCCCCCC
+
+; No masking at all. Should not touch memory at all.
+dq 0x0000000000000000
+dq 0x0000000000000000
+dq 0x0000000000000000
+dq 0x0000000000000000
+
+; Select all elements
+dq 0x8000000080000000
+dq 0x8000000080000000
+dq 0x8000000080000000
+dq 0x8000000080000000
+
+.scratch1:
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF
+
+.scratch2:
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF
+
+.scratch3:
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF
+
+.scratch4:
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF
+
+.scratch5:
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF
+
+.scratch6:
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF
+dq 0xFFFFFFFFFFFFFFFF