--- /dev/null
+#source: x86-64-clmul.s
+#as: -J
+#objdump: -dw -Mintel
+#name: x86-64 PCLMUL (Intel mode)
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+[ ]*[a-f0-9]+: 66 0f 3a 44 01 08 pclmulqdq xmm0,XMMWORD PTR \[rcx\],0x8
+[ ]*[a-f0-9]+: 66 0f 3a 44 c1 08 pclmulqdq xmm0,xmm1,0x8
+[ ]*[a-f0-9]+: 66 0f 3a 44 01 00 pclmullqlqdq xmm0,XMMWORD PTR \[rcx\]
+[ ]*[a-f0-9]+: 66 0f 3a 44 c1 00 pclmullqlqdq xmm0,xmm1
+[ ]*[a-f0-9]+: 66 0f 3a 44 01 01 pclmulhqlqdq xmm0,XMMWORD PTR \[rcx\]
+[ ]*[a-f0-9]+: 66 0f 3a 44 c1 01 pclmulhqlqdq xmm0,xmm1
+[ ]*[a-f0-9]+: 66 0f 3a 44 01 10 pclmullqhqdq xmm0,XMMWORD PTR \[rcx\]
+[ ]*[a-f0-9]+: 66 0f 3a 44 c1 10 pclmullqhqdq xmm0,xmm1
+[ ]*[a-f0-9]+: 66 0f 3a 44 01 11 pclmulhqhqdq xmm0,XMMWORD PTR \[rcx\]
+[ ]*[a-f0-9]+: 66 0f 3a 44 c1 11 pclmulhqhqdq xmm0,xmm1
+[ ]*[a-f0-9]+: 66 0f 3a 44 01 08 pclmulqdq xmm0,XMMWORD PTR \[rcx\],0x8
+[ ]*[a-f0-9]+: 66 0f 3a 44 c1 08 pclmulqdq xmm0,xmm1,0x8
+[ ]*[a-f0-9]+: 66 0f 3a 44 01 00 pclmullqlqdq xmm0,XMMWORD PTR \[rcx\]
+[ ]*[a-f0-9]+: 66 0f 3a 44 c1 00 pclmullqlqdq xmm0,xmm1
+[ ]*[a-f0-9]+: 66 0f 3a 44 01 01 pclmulhqlqdq xmm0,XMMWORD PTR \[rcx\]
+[ ]*[a-f0-9]+: 66 0f 3a 44 c1 01 pclmulhqlqdq xmm0,xmm1
+[ ]*[a-f0-9]+: 66 0f 3a 44 01 10 pclmullqhqdq xmm0,XMMWORD PTR \[rcx\]
+[ ]*[a-f0-9]+: 66 0f 3a 44 c1 10 pclmullqhqdq xmm0,xmm1
+[ ]*[a-f0-9]+: 66 0f 3a 44 01 11 pclmulhqhqdq xmm0,XMMWORD PTR \[rcx\]
+[ ]*[a-f0-9]+: 66 0f 3a 44 c1 11 pclmulhqhqdq xmm0,xmm1
+#pass