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x86: Handle unsupported static rounding in vcvt[u]si2sd in 32-bit mode 

Update x86 disassembler to handle the unsupported static rounding in
vcvt[u]si2sd in 32-bit mode.

gas/

	PR binutils/23655
	* testsuite/gas/i386/evex.d: Updated.

opcodes/

	PR binutils/23655
	* i386-dis-evex.h: Replace EXxEVexR with EXxEVexR64 for
	vcvtsi2sd%LQ and vcvtusi2sd%LQ.
	* i386-dis.c (EXxEVexR64): New.
	(evex_rounding_64_mode): Likewise.
	(OP_Rounding): Handle evex_rounding_64_mode.
This commit is contained in:
H.J. Lu 2018-09-14 11:25:01 -07:00
parent d20dee9efa
commit 70df6fc9bc
5 changed files with 29 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gas/ChangeLog
View File

@ -1,3 +1,8 @@
2018-09-14 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/23655
* testsuite/gas/i386/evex.d: Updated.
2018-09-14 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/23655

4
gas/testsuite/gas/i386/evex.d
View File

@ -8,9 +8,9 @@ Disassembly of section .text:
0+ <_start>:
+[a-f0-9]+: 62 f1 d6 38 2a f0 vcvtsi2ssl %eax,\{rd-sae\},%xmm5,%xmm6
+[a-f0-9]+: 62 f1 d7 38 2a f0 vcvtsi2sdl %eax,\{rd-sae\},%xmm5,%xmm6
+[a-f0-9]+: 62 f1 d7 38 2a f0 vcvtsi2sdl %eax,\(bad\),%xmm5,%xmm6
+[a-f0-9]+: 62 f1 d6 08 7b f0 vcvtusi2ssl %eax,%xmm5,%xmm6
+[a-f0-9]+: 62 f1 d7 08 7b f0 vcvtusi2sdl %eax,%xmm5,%xmm6
+[a-f0-9]+: 62 f1 d6 38 7b f0 vcvtusi2ssl %eax,\{rd-sae\},%xmm5,%xmm6
+[a-f0-9]+: 62 f1 d7 38 7b f0 vcvtusi2sdl %eax,\{rd-sae\},%xmm5,%xmm6
+[a-f0-9]+: 62 f1 d7 38 7b f0 vcvtusi2sdl %eax,\(bad\),%xmm5,%xmm6
#pass

9
opcodes/ChangeLog
View File

@ -1,3 +1,12 @@
2018-09-14 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/23655
* i386-dis-evex.h: Replace EXxEVexR with EXxEVexR64 for
vcvtsi2sd%LQ and vcvtusi2sd%LQ.
* i386-dis.c (EXxEVexR64): New.
(evex_rounding_64_mode): Likewise.
(OP_Rounding): Handle evex_rounding_64_mode.
2018-09-14 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/23655

4
opcodes/i386-dis-evex.h
View File

@ -3051,7 +3051,7 @@ static const struct dis386 evex_table[][256] = {
/* EVEX_W_0F2A_P_3 */
{
{ "vcvtsi2sd%LQ", { XMScalar, VexScalar, Ed }, 0 },
{ "vcvtsi2sd%LQ", { XMScalar, VexScalar, EXxEVexR, Edqa }, 0 },
{ "vcvtsi2sd%LQ", { XMScalar, VexScalar, EXxEVexR64, Edqa }, 0 },
},
/* EVEX_W_0F2B_P_0 */
{
@ -3393,7 +3393,7 @@ static const struct dis386 evex_table[][256] = {
/* EVEX_W_0F7B_P_3 */
{
{ "vcvtusi2sd%LQ", { XMScalar, VexScalar, Ed }, 0 },
{ "vcvtusi2sd%LQ", { XMScalar, VexScalar, EXxEVexR, Edqa }, 0 },
{ "vcvtusi2sd%LQ", { XMScalar, VexScalar, EXxEVexR64, Edqa }, 0 },
},
/* EVEX_W_0F7E_P_1 */
{

11
opcodes/i386-dis.c
View File

@ -448,6 +448,7 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr)
#define VPCOM { VPCOM_Fixup, 0 }
#define EXxEVexR { OP_Rounding, evex_rounding_mode }
#define EXxEVexR64 { OP_Rounding, evex_rounding_64_mode }
#define EXxEVexS { OP_Rounding, evex_sae_mode }
#define XMask { OP_Mask, mask_mode }
@ -633,6 +634,8 @@ enum
/* Static rounding. */
evex_rounding_mode,
/* Static rounding, 64-bit mode only. */
evex_rounding_64_mode,
/* Supress all exceptions. */
evex_sae_mode,
@ -17950,11 +17953,19 @@ OP_Rounding (int bytemode, int sizeflag ATTRIBUTE_UNUSED)
{
if (!vex.evex
|| (bytemode != evex_rounding_mode
&& bytemode != evex_rounding_64_mode
&& bytemode != evex_sae_mode))
abort ();
if (modrm.mod == 3 && vex.b)
switch (bytemode)
{
case evex_rounding_64_mode:
if (address_mode != mode_64bit)
{
oappend ("(bad)");
break;
}
/* Fall through. */
case evex_rounding_mode:
oappend (names_rounding[vex.ll]);
break;