x86: Set Vex=1 on VEX.128 only vmovq

AVX "VMOVQ xmm1, xmm2/m64" and "VMOVQ xmm1/m64, xmm2" can only be
encoded with VEX.128.  Set Vex=1 on VEX.128 only vmovq and update
assembler tests.

gas/

	PR gas/23665
	* testsuite/gas/i386/avx-scalar-intel.d: Updated.
	* testsuite/gas/i386/avx-scalar.d: Likewise.
	* testsuite/gas/i386/x86-64-avx-scalar-intel.d: Likewise.
	* testsuite/gas/i386/x86-64-avx-scalar.d: Likewise.

opcodes/

	PR gas/23665
	* i386-dis.c (vex_len_table): Update VEX_LEN_0F7E_P_1 and
	VEX_LEN_0FD6_P_2 entries.
	* i386-opc.tbl: Set Vex=1 on VEX.128 only vmovq.
	* i386-tbl.h: Regenerated.

5 files changed, 40 insertions, 32 deletions

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 2a0d429aed3..ca20c80cf11 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,11 @@
+2018-09-15  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR gas/23665
+	* testsuite/gas/i386/avx-scalar-intel.d: Updated.
+	* testsuite/gas/i386/avx-scalar.d: Likewise.
+	* testsuite/gas/i386/x86-64-avx-scalar-intel.d: Likewise.
+	* testsuite/gas/i386/x86-64-avx-scalar.d: Likewise.
+
 2018-09-15  Alan Modra  <amodra@gmail.com>
 
 	* testsuite/config/default.exp: Make tmpdir.
diff --git a/gas/testsuite/gas/i386/avx-scalar-intel.d b/gas/testsuite/gas/i386/avx-scalar-intel.d
index 83837d30e37..b02ea19dd55 100644
--- a/gas/testsuite/gas/i386/avx-scalar-intel.d
+++ b/gas/testsuite/gas/i386/avx-scalar-intel.d
@@ -15,8 +15,8 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	c5 fd 2e 21          	vucomisd xmm4,QWORD PTR \[ecx\]
 [ 	]*[a-f0-9]+:	c5 ff 10 21          	vmovsd xmm4,QWORD PTR \[ecx\]
 [ 	]*[a-f0-9]+:	c5 ff 11 21          	vmovsd QWORD PTR \[ecx\],xmm4
-[ 	]*[a-f0-9]+:	c5 fd d6 21          	vmovq  QWORD PTR \[ecx\],xmm4
-[ 	]*[a-f0-9]+:	c5 fe 7e 21          	vmovq  xmm4,QWORD PTR \[ecx\]
+[ 	]*[a-f0-9]+:	c5 f9 d6 21          	vmovq  QWORD PTR \[ecx\],xmm4
+[ 	]*[a-f0-9]+:	c5 fa 7e 21          	vmovq  xmm4,QWORD PTR \[ecx\]
 [ 	]*[a-f0-9]+:	c5 ff 2d cc          	vcvtsd2si ecx,xmm4
 [ 	]*[a-f0-9]+:	c5 ff 2d 09          	vcvtsd2si ecx,QWORD PTR \[ecx\]
 [ 	]*[a-f0-9]+:	c5 ff 2c cc          	vcvttsd2si ecx,xmm4
@@ -211,7 +211,7 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	c5 ce c2 11 07       	vcmpordss xmm2,xmm6,DWORD PTR \[ecx\]
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a d4 07    	vroundss xmm2,xmm6,xmm4,0x7
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a 11 07    	vroundss xmm2,xmm6,DWORD PTR \[ecx\],0x7
-[ 	]*[a-f0-9]+:	c5 fe 7e f4          	vmovq  xmm6,xmm4
+[ 	]*[a-f0-9]+:	c5 fa 7e f4          	vmovq  xmm6,xmm4
 [ 	]*[a-f0-9]+:	c5 cf 10 d4          	vmovsd xmm2,xmm6,xmm4
 [ 	]*[a-f0-9]+:	c5 ce 10 d4          	vmovss xmm2,xmm6,xmm4
 [ 	]*[a-f0-9]+:	c5 fd 7e 05 34 12 00 00 	vmovd  DWORD PTR ds:0x1234,xmm0
@@ -246,10 +246,10 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	c5 ff 10 21          	vmovsd xmm4,QWORD PTR \[ecx\]
 [ 	]*[a-f0-9]+:	c5 ff 11 21          	vmovsd QWORD PTR \[ecx\],xmm4
 [ 	]*[a-f0-9]+:	c5 ff 11 21          	vmovsd QWORD PTR \[ecx\],xmm4
-[ 	]*[a-f0-9]+:	c5 fd d6 21          	vmovq  QWORD PTR \[ecx\],xmm4
-[ 	]*[a-f0-9]+:	c5 fe 7e 21          	vmovq  xmm4,QWORD PTR \[ecx\]
-[ 	]*[a-f0-9]+:	c5 fd d6 21          	vmovq  QWORD PTR \[ecx\],xmm4
-[ 	]*[a-f0-9]+:	c5 fe 7e 21          	vmovq  xmm4,QWORD PTR \[ecx\]
+[ 	]*[a-f0-9]+:	c5 f9 d6 21          	vmovq  QWORD PTR \[ecx\],xmm4
+[ 	]*[a-f0-9]+:	c5 fa 7e 21          	vmovq  xmm4,QWORD PTR \[ecx\]
+[ 	]*[a-f0-9]+:	c5 f9 d6 21          	vmovq  QWORD PTR \[ecx\],xmm4
+[ 	]*[a-f0-9]+:	c5 fa 7e 21          	vmovq  xmm4,QWORD PTR \[ecx\]
 [ 	]*[a-f0-9]+:	c5 ff 2d cc          	vcvtsd2si ecx,xmm4
 [ 	]*[a-f0-9]+:	c5 ff 2d 09          	vcvtsd2si ecx,QWORD PTR \[ecx\]
 [ 	]*[a-f0-9]+:	c5 ff 2d 09          	vcvtsd2si ecx,QWORD PTR \[ecx\]
@@ -542,7 +542,7 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a d4 07    	vroundss xmm2,xmm6,xmm4,0x7
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a 11 07    	vroundss xmm2,xmm6,DWORD PTR \[ecx\],0x7
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a 11 07    	vroundss xmm2,xmm6,DWORD PTR \[ecx\],0x7
-[ 	]*[a-f0-9]+:	c5 fe 7e f4          	vmovq  xmm6,xmm4
+[ 	]*[a-f0-9]+:	c5 fa 7e f4          	vmovq  xmm6,xmm4
 [ 	]*[a-f0-9]+:	c5 cf 10 d4          	vmovsd xmm2,xmm6,xmm4
 [ 	]*[a-f0-9]+:	c5 ce 10 d4          	vmovss xmm2,xmm6,xmm4
 [ 	]*[a-f0-9]+:	c5 fd 7e 05 34 12 00 00 	vmovd  DWORD PTR ds:0x1234,xmm0
diff --git a/gas/testsuite/gas/i386/avx-scalar.d b/gas/testsuite/gas/i386/avx-scalar.d
index b1a89e5cf68..0d20bd56e3c 100644
--- a/gas/testsuite/gas/i386/avx-scalar.d
+++ b/gas/testsuite/gas/i386/avx-scalar.d
@@ -14,8 +14,8 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	c5 fd 2e 21          	vucomisd \(%ecx\),%xmm4
 [ 	]*[a-f0-9]+:	c5 ff 10 21          	vmovsd \(%ecx\),%xmm4
 [ 	]*[a-f0-9]+:	c5 ff 11 21          	vmovsd %xmm4,\(%ecx\)
-[ 	]*[a-f0-9]+:	c5 fd d6 21          	vmovq  %xmm4,\(%ecx\)
-[ 	]*[a-f0-9]+:	c5 fe 7e 21          	vmovq  \(%ecx\),%xmm4
+[ 	]*[a-f0-9]+:	c5 f9 d6 21          	vmovq  %xmm4,\(%ecx\)
+[ 	]*[a-f0-9]+:	c5 fa 7e 21          	vmovq  \(%ecx\),%xmm4
 [ 	]*[a-f0-9]+:	c5 ff 2d cc          	vcvtsd2si %xmm4,%ecx
 [ 	]*[a-f0-9]+:	c5 ff 2d 09          	vcvtsd2si \(%ecx\),%ecx
 [ 	]*[a-f0-9]+:	c5 ff 2c cc          	vcvttsd2si %xmm4,%ecx
@@ -210,7 +210,7 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	c5 ce c2 11 07       	vcmpordss \(%ecx\),%xmm6,%xmm2
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a d4 07    	vroundss \$0x7,%xmm4,%xmm6,%xmm2
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a 11 07    	vroundss \$0x7,\(%ecx\),%xmm6,%xmm2
-[ 	]*[a-f0-9]+:	c5 fe 7e f4          	vmovq  %xmm4,%xmm6
+[ 	]*[a-f0-9]+:	c5 fa 7e f4          	vmovq  %xmm4,%xmm6
 [ 	]*[a-f0-9]+:	c5 cf 10 d4          	vmovsd %xmm4,%xmm6,%xmm2
 [ 	]*[a-f0-9]+:	c5 ce 10 d4          	vmovss %xmm4,%xmm6,%xmm2
 [ 	]*[a-f0-9]+:	c5 fd 7e 05 34 12 00 00 	vmovd  %xmm0,0x1234
@@ -245,10 +245,10 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	c5 ff 10 21          	vmovsd \(%ecx\),%xmm4
 [ 	]*[a-f0-9]+:	c5 ff 11 21          	vmovsd %xmm4,\(%ecx\)
 [ 	]*[a-f0-9]+:	c5 ff 11 21          	vmovsd %xmm4,\(%ecx\)
-[ 	]*[a-f0-9]+:	c5 fd d6 21          	vmovq  %xmm4,\(%ecx\)
-[ 	]*[a-f0-9]+:	c5 fe 7e 21          	vmovq  \(%ecx\),%xmm4
-[ 	]*[a-f0-9]+:	c5 fd d6 21          	vmovq  %xmm4,\(%ecx\)
-[ 	]*[a-f0-9]+:	c5 fe 7e 21          	vmovq  \(%ecx\),%xmm4
+[ 	]*[a-f0-9]+:	c5 f9 d6 21          	vmovq  %xmm4,\(%ecx\)
+[ 	]*[a-f0-9]+:	c5 fa 7e 21          	vmovq  \(%ecx\),%xmm4
+[ 	]*[a-f0-9]+:	c5 f9 d6 21          	vmovq  %xmm4,\(%ecx\)
+[ 	]*[a-f0-9]+:	c5 fa 7e 21          	vmovq  \(%ecx\),%xmm4
 [ 	]*[a-f0-9]+:	c5 ff 2d cc          	vcvtsd2si %xmm4,%ecx
 [ 	]*[a-f0-9]+:	c5 ff 2d 09          	vcvtsd2si \(%ecx\),%ecx
 [ 	]*[a-f0-9]+:	c5 ff 2d 09          	vcvtsd2si \(%ecx\),%ecx
@@ -541,7 +541,7 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a d4 07    	vroundss \$0x7,%xmm4,%xmm6,%xmm2
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a 11 07    	vroundss \$0x7,\(%ecx\),%xmm6,%xmm2
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a 11 07    	vroundss \$0x7,\(%ecx\),%xmm6,%xmm2
-[ 	]*[a-f0-9]+:	c5 fe 7e f4          	vmovq  %xmm4,%xmm6
+[ 	]*[a-f0-9]+:	c5 fa 7e f4          	vmovq  %xmm4,%xmm6
 [ 	]*[a-f0-9]+:	c5 cf 10 d4          	vmovsd %xmm4,%xmm6,%xmm2
 [ 	]*[a-f0-9]+:	c5 ce 10 d4          	vmovss %xmm4,%xmm6,%xmm2
 [ 	]*[a-f0-9]+:	c5 fd 7e 05 34 12 00 00 	vmovd  %xmm0,0x1234
diff --git a/gas/testsuite/gas/i386/x86-64-avx-scalar-intel.d b/gas/testsuite/gas/i386/x86-64-avx-scalar-intel.d
index 8766c7c2174..6362bf170fa 100644
--- a/gas/testsuite/gas/i386/x86-64-avx-scalar-intel.d
+++ b/gas/testsuite/gas/i386/x86-64-avx-scalar-intel.d
@@ -19,8 +19,8 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	c4 e1 fd 6e e1       	vmovq  xmm4,rcx
 [ 	]*[a-f0-9]+:	c4 e1 fd 7e e1       	vmovq  rcx,xmm4
 [ 	]*[a-f0-9]+:	c4 e1 fd 6e e1       	vmovq  xmm4,rcx
-[ 	]*[a-f0-9]+:	c5 fd d6 21          	vmovq  QWORD PTR \[rcx\],xmm4
-[ 	]*[a-f0-9]+:	c5 fe 7e 21          	vmovq  xmm4,QWORD PTR \[rcx\]
+[ 	]*[a-f0-9]+:	c5 f9 d6 21          	vmovq  QWORD PTR \[rcx\],xmm4
+[ 	]*[a-f0-9]+:	c5 fa 7e 21          	vmovq  xmm4,QWORD PTR \[rcx\]
 [ 	]*[a-f0-9]+:	c5 ff 2d cc          	vcvtsd2si ecx,xmm4
 [ 	]*[a-f0-9]+:	c5 ff 2d 09          	vcvtsd2si ecx,QWORD PTR \[rcx\]
 [ 	]*[a-f0-9]+:	c5 ff 2c cc          	vcvttsd2si ecx,xmm4
@@ -227,7 +227,7 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	c5 ce c2 11 07       	vcmpordss xmm2,xmm6,DWORD PTR \[rcx\]
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a d4 07    	vroundss xmm2,xmm6,xmm4,0x7
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a 11 07    	vroundss xmm2,xmm6,DWORD PTR \[rcx\],0x7
-[ 	]*[a-f0-9]+:	c5 fe 7e f4          	vmovq  xmm6,xmm4
+[ 	]*[a-f0-9]+:	c5 fa 7e f4          	vmovq  xmm6,xmm4
 [ 	]*[a-f0-9]+:	c5 cf 10 d4          	vmovsd xmm2,xmm6,xmm4
 [ 	]*[a-f0-9]+:	c5 ce 10 d4          	vmovss xmm2,xmm6,xmm4
 [ 	]*[a-f0-9]+:	c5 7d 7e 04 25 78 56 34 12 	vmovd  DWORD PTR ds:0x12345678,xmm8
@@ -283,10 +283,10 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	c5 fd 6e 21          	vmovd  xmm4,DWORD PTR \[rcx\]
 [ 	]*[a-f0-9]+:	c4 e1 fd 7e e1       	vmovq  rcx,xmm4
 [ 	]*[a-f0-9]+:	c4 e1 fd 6e e1       	vmovq  xmm4,rcx
-[ 	]*[a-f0-9]+:	c5 fd d6 21          	vmovq  QWORD PTR \[rcx\],xmm4
-[ 	]*[a-f0-9]+:	c5 fe 7e 21          	vmovq  xmm4,QWORD PTR \[rcx\]
-[ 	]*[a-f0-9]+:	c5 fd d6 21          	vmovq  QWORD PTR \[rcx\],xmm4
-[ 	]*[a-f0-9]+:	c5 fe 7e 21          	vmovq  xmm4,QWORD PTR \[rcx\]
+[ 	]*[a-f0-9]+:	c5 f9 d6 21          	vmovq  QWORD PTR \[rcx\],xmm4
+[ 	]*[a-f0-9]+:	c5 fa 7e 21          	vmovq  xmm4,QWORD PTR \[rcx\]
+[ 	]*[a-f0-9]+:	c5 f9 d6 21          	vmovq  QWORD PTR \[rcx\],xmm4
+[ 	]*[a-f0-9]+:	c5 fa 7e 21          	vmovq  xmm4,QWORD PTR \[rcx\]
 [ 	]*[a-f0-9]+:	c5 ff 2d cc          	vcvtsd2si ecx,xmm4
 [ 	]*[a-f0-9]+:	c5 ff 2d 09          	vcvtsd2si ecx,QWORD PTR \[rcx\]
 [ 	]*[a-f0-9]+:	c5 ff 2d 09          	vcvtsd2si ecx,QWORD PTR \[rcx\]
@@ -595,7 +595,7 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a d4 07    	vroundss xmm2,xmm6,xmm4,0x7
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a 11 07    	vroundss xmm2,xmm6,DWORD PTR \[rcx\],0x7
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a 11 07    	vroundss xmm2,xmm6,DWORD PTR \[rcx\],0x7
-[ 	]*[a-f0-9]+:	c5 fe 7e f4          	vmovq  xmm6,xmm4
+[ 	]*[a-f0-9]+:	c5 fa 7e f4          	vmovq  xmm6,xmm4
 [ 	]*[a-f0-9]+:	c5 cf 10 d4          	vmovsd xmm2,xmm6,xmm4
 [ 	]*[a-f0-9]+:	c5 ce 10 d4          	vmovss xmm2,xmm6,xmm4
 [ 	]*[a-f0-9]+:	c5 7d 7e 04 25 78 56 34 12 	vmovd  DWORD PTR ds:0x12345678,xmm8
diff --git a/gas/testsuite/gas/i386/x86-64-avx-scalar.d b/gas/testsuite/gas/i386/x86-64-avx-scalar.d
index f93413d9173..93f14fd9bdd 100644
--- a/gas/testsuite/gas/i386/x86-64-avx-scalar.d
+++ b/gas/testsuite/gas/i386/x86-64-avx-scalar.d
@@ -18,8 +18,8 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	c4 e1 fd 6e e1       	vmovq  %rcx,%xmm4
 [ 	]*[a-f0-9]+:	c4 e1 fd 7e e1       	vmovq  %xmm4,%rcx
 [ 	]*[a-f0-9]+:	c4 e1 fd 6e e1       	vmovq  %rcx,%xmm4
-[ 	]*[a-f0-9]+:	c5 fd d6 21          	vmovq  %xmm4,\(%rcx\)
-[ 	]*[a-f0-9]+:	c5 fe 7e 21          	vmovq  \(%rcx\),%xmm4
+[ 	]*[a-f0-9]+:	c5 f9 d6 21          	vmovq  %xmm4,\(%rcx\)
+[ 	]*[a-f0-9]+:	c5 fa 7e 21          	vmovq  \(%rcx\),%xmm4
 [ 	]*[a-f0-9]+:	c5 ff 2d cc          	vcvtsd2si %xmm4,%ecx
 [ 	]*[a-f0-9]+:	c5 ff 2d 09          	vcvtsd2si \(%rcx\),%ecx
 [ 	]*[a-f0-9]+:	c5 ff 2c cc          	vcvttsd2si %xmm4,%ecx
@@ -226,7 +226,7 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	c5 ce c2 11 07       	vcmpordss \(%rcx\),%xmm6,%xmm2
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a d4 07    	vroundss \$0x7,%xmm4,%xmm6,%xmm2
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a 11 07    	vroundss \$0x7,\(%rcx\),%xmm6,%xmm2
-[ 	]*[a-f0-9]+:	c5 fe 7e f4          	vmovq  %xmm4,%xmm6
+[ 	]*[a-f0-9]+:	c5 fa 7e f4          	vmovq  %xmm4,%xmm6
 [ 	]*[a-f0-9]+:	c5 cf 10 d4          	vmovsd %xmm4,%xmm6,%xmm2
 [ 	]*[a-f0-9]+:	c5 ce 10 d4          	vmovss %xmm4,%xmm6,%xmm2
 [ 	]*[a-f0-9]+:	c5 7d 7e 04 25 78 56 34 12 	vmovd  %xmm8,0x12345678
@@ -282,10 +282,10 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	c5 fd 6e 21          	vmovd  \(%rcx\),%xmm4
 [ 	]*[a-f0-9]+:	c4 e1 fd 7e e1       	vmovq  %xmm4,%rcx
 [ 	]*[a-f0-9]+:	c4 e1 fd 6e e1       	vmovq  %rcx,%xmm4
-[ 	]*[a-f0-9]+:	c5 fd d6 21          	vmovq  %xmm4,\(%rcx\)
-[ 	]*[a-f0-9]+:	c5 fe 7e 21          	vmovq  \(%rcx\),%xmm4
-[ 	]*[a-f0-9]+:	c5 fd d6 21          	vmovq  %xmm4,\(%rcx\)
-[ 	]*[a-f0-9]+:	c5 fe 7e 21          	vmovq  \(%rcx\),%xmm4
+[ 	]*[a-f0-9]+:	c5 f9 d6 21          	vmovq  %xmm4,\(%rcx\)
+[ 	]*[a-f0-9]+:	c5 fa 7e 21          	vmovq  \(%rcx\),%xmm4
+[ 	]*[a-f0-9]+:	c5 f9 d6 21          	vmovq  %xmm4,\(%rcx\)
+[ 	]*[a-f0-9]+:	c5 fa 7e 21          	vmovq  \(%rcx\),%xmm4
 [ 	]*[a-f0-9]+:	c5 ff 2d cc          	vcvtsd2si %xmm4,%ecx
 [ 	]*[a-f0-9]+:	c5 ff 2d 09          	vcvtsd2si \(%rcx\),%ecx
 [ 	]*[a-f0-9]+:	c5 ff 2d 09          	vcvtsd2si \(%rcx\),%ecx
@@ -594,7 +594,7 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a d4 07    	vroundss \$0x7,%xmm4,%xmm6,%xmm2
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a 11 07    	vroundss \$0x7,\(%rcx\),%xmm6,%xmm2
 [ 	]*[a-f0-9]+:	c4 e3 4d 0a 11 07    	vroundss \$0x7,\(%rcx\),%xmm6,%xmm2
-[ 	]*[a-f0-9]+:	c5 fe 7e f4          	vmovq  %xmm4,%xmm6
+[ 	]*[a-f0-9]+:	c5 fa 7e f4          	vmovq  %xmm4,%xmm6
 [ 	]*[a-f0-9]+:	c5 cf 10 d4          	vmovsd %xmm4,%xmm6,%xmm2
 [ 	]*[a-f0-9]+:	c5 ce 10 d4          	vmovss %xmm4,%xmm6,%xmm2
 [ 	]*[a-f0-9]+:	c5 7d 7e 04 25 78 56 34 12 	vmovd  %xmm8,0x12345678