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i386: Check vector length for scatter/gather prefetch instructions 

Since not all vector lengths are supported by scatter/gather prefetch
instructions, decode them only with supported vector lengths.

gas/

	PR binutils/24719
	* testsuite/gas/i386/disassem.s: Add test for vgatherpf0dps
	with invalid vector length.
	* testsuite/gas/i386/x86-64-disassem.s: Likewise.
	* testsuite/gas/i386/disassem.d: Updated.
	* testsuite/gas/i386/x86-64-disassem.d: Likewise.

opcodes/

	PR binutils/24719
	* i386-dis-evex-len.h: Add EVEX_LEN_0F38C6_REG_1_PREFIX_2,
	EVEX_LEN_0F38C6_REG_2_PREFIX_2, EVEX_LEN_0F38C6_REG_5_PREFIX_2,
	EVEX_LEN_0F38C6_REG_6_PREFIX_2, EVEX_LEN_0F38C7_R_1_P_2_W_0,
	EVEX_LEN_0F38C7_R_1_P_2_W_1, EVEX_LEN_0F38C7_R_2_P_2_W_0,
	EVEX_LEN_0F38C7_R_2_P_2_W_1, EVEX_LEN_0F38C7_R_5_P_2_W_0,
	EVEX_LEN_0F38C7_R_5_P_2_W_1, EVEX_LEN_0F38C7_R_6_P_2_W_0 and
	EVEX_LEN_0F38C7_R_6_P_2_W_1.
	* i386-dis-evex-prefix.h: Update PREFIX_EVEX_0F38C6_REG_1,
	PREFIX_EVEX_0F38C6_REG_2, PREFIX_EVEX_0F38C6_REG_5 and
	PREFIX_EVEX_0F38C6_REG_6 entries.
	* i386-dis-evex-w.h: Update EVEX_W_0F38C7_R_1_P_2,
	EVEX_W_0F38C7_R_2_P_2, EVEX_W_0F38C7_R_5_P_2 and
	EVEX_W_0F38C7_R_6_P_2 entries.
	* i386-dis.c: Add EVEX_LEN_0F38C6_REG_1_PREFIX_2,
	EVEX_LEN_0F38C6_REG_2_PREFIX_2, EVEX_LEN_0F38C6_REG_5_PREFIX_2,
	EVEX_LEN_0F38C6_REG_6_PREFIX_2, EVEX_LEN_0F38C7_R_1_P_2_W_0,
	EVEX_LEN_0F38C7_R_1_P_2_W_1, EVEX_LEN_0F38C7_R_2_P_2_W_0,
	EVEX_LEN_0F38C7_R_2_P_2_W_1, EVEX_LEN_0F38C7_R_5_P_2_W_0,
	EVEX_LEN_0F38C7_R_5_P_2_W_1, EVEX_LEN_0F38C7_R_6_P_2_W_0 and
	EVEX_LEN_0F38C7_R_6_P_2_W_1 enums.
binutils-2_33-branch
H.J. Lu 7 years ago
parent
1b7f24cd6b
commit
e395f487b3
6 changed files with 141 additions and 12 deletions
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  1. 9
      gas/ChangeLog
  2. 24
      opcodes/ChangeLog
  3. 84
      opcodes/i386-dis-evex-len.h
  4. 8
      opcodes/i386-dis-evex-prefix.h
  5. 16
      opcodes/i386-dis-evex-w.h
  6. 12
      opcodes/i386-dis.c

9
gas/ChangeLog
View File

@ -1,3 +1,12 @@
2019-06-27 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/24719
* testsuite/gas/i386/disassem.s: Add test for vgatherpf0dps
with invalid vector length.
* testsuite/gas/i386/x86-64-disassem.s: Likewise.
* testsuite/gas/i386/disassem.d: Updated.
* testsuite/gas/i386/x86-64-disassem.d: Likewise.
2019-06-27 Barnaby Wilk s<barnaby.wilks@arm.com>
* config/tc-arm.c (do_smc): Add range check for immediate operand.

24
opcodes/ChangeLog
View File

@ -1,3 +1,27 @@
2019-06-27 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/24719
* i386-dis-evex-len.h: Add EVEX_LEN_0F38C6_REG_1_PREFIX_2,
EVEX_LEN_0F38C6_REG_2_PREFIX_2, EVEX_LEN_0F38C6_REG_5_PREFIX_2,
EVEX_LEN_0F38C6_REG_6_PREFIX_2, EVEX_LEN_0F38C7_R_1_P_2_W_0,
EVEX_LEN_0F38C7_R_1_P_2_W_1, EVEX_LEN_0F38C7_R_2_P_2_W_0,
EVEX_LEN_0F38C7_R_2_P_2_W_1, EVEX_LEN_0F38C7_R_5_P_2_W_0,
EVEX_LEN_0F38C7_R_5_P_2_W_1, EVEX_LEN_0F38C7_R_6_P_2_W_0 and
EVEX_LEN_0F38C7_R_6_P_2_W_1.
* i386-dis-evex-prefix.h: Update PREFIX_EVEX_0F38C6_REG_1,
PREFIX_EVEX_0F38C6_REG_2, PREFIX_EVEX_0F38C6_REG_5 and
PREFIX_EVEX_0F38C6_REG_6 entries.
* i386-dis-evex-w.h: Update EVEX_W_0F38C7_R_1_P_2,
EVEX_W_0F38C7_R_2_P_2, EVEX_W_0F38C7_R_5_P_2 and
EVEX_W_0F38C7_R_6_P_2 entries.
* i386-dis.c: Add EVEX_LEN_0F38C6_REG_1_PREFIX_2,
EVEX_LEN_0F38C6_REG_2_PREFIX_2, EVEX_LEN_0F38C6_REG_5_PREFIX_2,
EVEX_LEN_0F38C6_REG_6_PREFIX_2, EVEX_LEN_0F38C7_R_1_P_2_W_0,
EVEX_LEN_0F38C7_R_1_P_2_W_1, EVEX_LEN_0F38C7_R_2_P_2_W_0,
EVEX_LEN_0F38C7_R_2_P_2_W_1, EVEX_LEN_0F38C7_R_5_P_2_W_0,
EVEX_LEN_0F38C7_R_5_P_2_W_1, EVEX_LEN_0F38C7_R_6_P_2_W_0 and
EVEX_LEN_0F38C7_R_6_P_2_W_1 enums.
2019-06-27 Jan Beulich <jbeulich@suse.com>
* i386-dis.c (VEX_LEN_0F2A_P_1, VEX_LEN_0F2A_P_3,

84
opcodes/i386-dis-evex-len.h
View File

@ -89,6 +89,90 @@ static const struct dis386 evex_len_table[][3] = {
{ "vbroadcasti64x4", { XM, EXymm }, 0 },
},
/* EVEX_LEN_0F38C6_REG_1_PREFIX_2 */
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vgatherpf0dp%XW", { MVexVSIBDWpX }, 0 },
},
/* EVEX_LEN_0F38C6_REG_2_PREFIX_2 */
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vgatherpf1dp%XW", { MVexVSIBDWpX }, 0 },
},
/* EVEX_LEN_0F38C6_REG_5_PREFIX_2 */
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vscatterpf0dp%XW", { MVexVSIBDWpX }, 0 },
},
/* EVEX_LEN_0F38C6_REG_6_PREFIX_2 */
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vscatterpf1dp%XW", { MVexVSIBDWpX }, 0 },
},
/* EVEX_LEN_0F38C7_R_1_P_2_W_0 */
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vgatherpf0qps", { MVexVSIBDQWpX }, 0 },
},
/* EVEX_LEN_0F38C7_R_1_P_2_W_1 */
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vgatherpf0qpd", { MVexVSIBQWpX }, 0 },
},
/* EVEX_LEN_0F38C7_R_2_P_2_W_0 */
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vgatherpf1qps", { MVexVSIBDQWpX }, 0 },
},
/* EVEX_LEN_0F38C7_R_2_P_2_W_1 */
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vgatherpf1qpd", { MVexVSIBQWpX }, 0 },
},
/* EVEX_LEN_0F38C7_R_5_P_2_W_0 */
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vscatterpf0qps", { MVexVSIBDQWpX }, 0 },
},
/* EVEX_LEN_0F38C7_R_5_P_2_W_1 */
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vscatterpf0qpd", { MVexVSIBQWpX }, 0 },
},
/* EVEX_LEN_0F38C7_R_6_P_2_W_0 */
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vscatterpf1qps", { MVexVSIBDQWpX }, 0 },
},
/* EVEX_LEN_0F38C7_R_6_P_2_W_1 */
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vscatterpf1qpd", { MVexVSIBQWpX }, 0 },
},
/* EVEX_LEN_0F3A18_P_2_W_0 */
{
{ Bad_Opcode },

8
opcodes/i386-dis-evex-prefix.h
View File

@ -1557,25 +1557,25 @@
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vgatherpf0dp%XW", { MVexVSIBDWpX }, 0 },
{ EVEX_LEN_TABLE (EVEX_LEN_0F38C6_REG_1_PREFIX_2) },
},
/* PREFIX_EVEX_0F38C6_REG_2 */
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vgatherpf1dp%XW", { MVexVSIBDWpX }, 0 },
{ EVEX_LEN_TABLE (EVEX_LEN_0F38C6_REG_2_PREFIX_2) },
},
/* PREFIX_EVEX_0F38C6_REG_5 */
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vscatterpf0dp%XW", { MVexVSIBDWpX }, 0 },
{ EVEX_LEN_TABLE (EVEX_LEN_0F38C6_REG_5_PREFIX_2) },
},
/* PREFIX_EVEX_0F38C6_REG_6 */
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vscatterpf1dp%XW", { MVexVSIBDWpX }, 0 },
{ EVEX_LEN_TABLE (EVEX_LEN_0F38C6_REG_6_PREFIX_2) },
},
/* PREFIX_EVEX_0F38C7_REG_1 */
{

16
opcodes/i386-dis-evex-w.h
View File

@ -939,23 +939,23 @@
},
/* EVEX_W_0F38C7_R_1_P_2 */
{
{ "vgatherpf0qps", { MVexVSIBDQWpX }, 0 },
{ "vgatherpf0qpd", { MVexVSIBQWpX }, 0 },
{ EVEX_LEN_TABLE (EVEX_LEN_0F38C7_R_1_P_2_W_0) },
{ EVEX_LEN_TABLE (EVEX_LEN_0F38C7_R_1_P_2_W_1) },
},
/* EVEX_W_0F38C7_R_2_P_2 */
{
{ "vgatherpf1qps", { MVexVSIBDQWpX }, 0 },
{ "vgatherpf1qpd", { MVexVSIBQWpX }, 0 },
{ EVEX_LEN_TABLE (EVEX_LEN_0F38C7_R_2_P_2_W_0) },
{ EVEX_LEN_TABLE (EVEX_LEN_0F38C7_R_2_P_2_W_1) },
},
/* EVEX_W_0F38C7_R_5_P_2 */
{
{ "vscatterpf0qps", { MVexVSIBDQWpX }, 0 },
{ "vscatterpf0qpd", { MVexVSIBQWpX }, 0 },
{ EVEX_LEN_TABLE (EVEX_LEN_0F38C7_R_5_P_2_W_0) },
{ EVEX_LEN_TABLE (EVEX_LEN_0F38C7_R_5_P_2_W_1) },
},
/* EVEX_W_0F38C7_R_6_P_2 */
{
{ "vscatterpf1qps", { MVexVSIBDQWpX }, 0 },
{ "vscatterpf1qpd", { MVexVSIBQWpX }, 0 },
{ EVEX_LEN_TABLE (EVEX_LEN_0F38C7_R_6_P_2_W_0) },
{ EVEX_LEN_TABLE (EVEX_LEN_0F38C7_R_6_P_2_W_1) },
},
/* EVEX_W_0F3A00_P_2 */
{

12
opcodes/i386-dis.c
View File

@ -1939,6 +1939,18 @@ enum
EVEX_LEN_0F385A_P_2_W_1,
EVEX_LEN_0F385B_P_2_W_0,
EVEX_LEN_0F385B_P_2_W_1,
EVEX_LEN_0F38C6_REG_1_PREFIX_2,
EVEX_LEN_0F38C6_REG_2_PREFIX_2,
EVEX_LEN_0F38C6_REG_5_PREFIX_2,
EVEX_LEN_0F38C6_REG_6_PREFIX_2,
EVEX_LEN_0F38C7_R_1_P_2_W_0,
EVEX_LEN_0F38C7_R_1_P_2_W_1,
EVEX_LEN_0F38C7_R_2_P_2_W_0,
EVEX_LEN_0F38C7_R_2_P_2_W_1,
EVEX_LEN_0F38C7_R_5_P_2_W_0,
EVEX_LEN_0F38C7_R_5_P_2_W_1,
EVEX_LEN_0F38C7_R_6_P_2_W_0,
EVEX_LEN_0F38C7_R_6_P_2_W_1,
EVEX_LEN_0F3A18_P_2_W_0,
EVEX_LEN_0F3A18_P_2_W_1,
EVEX_LEN_0F3A19_P_2_W_0,

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