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* [binutils-gdb] x86: SKINIT with operand needs IgnoreSize
@ 2022-08-01 8:53 Jan Beulich
0 siblings, 0 replies; only message in thread
From: Jan Beulich @ 2022-08-01 8:53 UTC (permalink / raw)
To: bfd-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=e4971956eab2d3091e21918b175cb999a836c057
commit e4971956eab2d3091e21918b175cb999a836c057
Author: Jan Beulich <jbeulich@suse.com>
Date: Mon Aug 1 10:53:14 2022 +0200
x86: SKINIT with operand needs IgnoreSize
Without it in 16-bit mode a pointless operand size prefix would be
emitted.
Diff:
---
gas/testsuite/gas/i386/i386.exp | 1 +
gas/testsuite/gas/i386/svme.s | 3 +++
gas/testsuite/gas/i386/svme16.d | 41 +++++++++++++++++++++++++++++++++++++++++
opcodes/i386-opc.tbl | 2 +-
opcodes/i386-tbl.h | 2 +-
5 files changed, 47 insertions(+), 2 deletions(-)
diff --git a/gas/testsuite/gas/i386/i386.exp b/gas/testsuite/gas/i386/i386.exp
index c7822c4c9ba..1d27dfc78b8 100644
--- a/gas/testsuite/gas/i386/i386.exp
+++ b/gas/testsuite/gas/i386/i386.exp
@@ -109,6 +109,7 @@ if [gas_32_check] then {
run_list_test "cr-err" ""
run_dump_test "cdr"
run_dump_test "svme"
+ run_dump_test "svme16"
run_dump_test "amdfam10"
run_dump_test "ssse3"
run_dump_test "rep"
diff --git a/gas/testsuite/gas/i386/svme.s b/gas/testsuite/gas/i386/svme.s
index a721e36777f..3d42fadeab4 100644
--- a/gas/testsuite/gas/i386/svme.s
+++ b/gas/testsuite/gas/i386/svme.s
@@ -1,4 +1,7 @@
.text
+.ifdef __ia16__
+ .code16
+.endif
common:
clgi
invlpga
diff --git a/gas/testsuite/gas/i386/svme16.d b/gas/testsuite/gas/i386/svme16.d
new file mode 100644
index 00000000000..bd3424f6a48
--- /dev/null
+++ b/gas/testsuite/gas/i386/svme16.d
@@ -0,0 +1,41 @@
+#as: --defsym __ia16__=1
+#objdump: -dw -Mi8086
+#name: 16-bit SVME
+#source: svme.s
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+000 <common>:
+[ ]*[0-9a-f]+:[ ]+0f 01 dd[ ]+clgi
+[ ]*[0-9a-f]+:[ ]+0f 01 df[ ]+invlpga
+[ ]*[0-9a-f]+:[ ]+0f 01 de[ ]+skinit
+[ ]*[0-9a-f]+:[ ]+0f 01 dc[ ]+stgi
+[ ]*[0-9a-f]+:[ ]+0f 01 da[ ]+vmload
+[ ]*[0-9a-f]+:[ ]+0f 01 d9[ ]+vmmcall
+[ ]*[0-9a-f]+:[ ]+0f 01 d8[ ]+vmrun
+[ ]*[0-9a-f]+:[ ]+0f 01 db[ ]+vmsave
+[0-9a-f]+ <att32>:
+[ ]*[0-9a-f]+:[ ]+0f 01 de[ ]+skinit
+[ ]*[0-9a-f]+:[ ]+67 0f 01 df[ ]+addr32 invlpga
+[ ]*[0-9a-f]+:[ ]+67 0f 01 da[ ]+addr32 vmload
+[ ]*[0-9a-f]+:[ ]+67 0f 01 d8[ ]+addr32 vmrun
+[ ]*[0-9a-f]+:[ ]+67 0f 01 db[ ]+addr32 vmsave
+[0-9a-f]+ <att16>:
+[ ]*[0-9a-f]+:[ ]+0f 01 df[ ]+invlpga
+[ ]*[0-9a-f]+:[ ]+0f 01 da[ ]+vmload
+[ ]*[0-9a-f]+:[ ]+0f 01 d8[ ]+vmrun
+[ ]*[0-9a-f]+:[ ]+0f 01 db[ ]+vmsave
+[0-9a-f]+ <intel32>:
+[ ]*[0-9a-f]+:[ ]+0f 01 de[ ]+skinit
+[ ]*[0-9a-f]+:[ ]+67 0f 01 df[ ]+addr32 invlpga
+[ ]*[0-9a-f]+:[ ]+67 0f 01 da[ ]+addr32 vmload
+[ ]*[0-9a-f]+:[ ]+67 0f 01 d8[ ]+addr32 vmrun
+[ ]*[0-9a-f]+:[ ]+67 0f 01 db[ ]+addr32 vmsave
+[0-9a-f]+ <intel16>:
+[ ]*[0-9a-f]+:[ ]+0f 01 df[ ]+invlpga
+[ ]*[0-9a-f]+:[ ]+0f 01 da[ ]+vmload
+[ ]*[0-9a-f]+:[ ]+0f 01 d8[ ]+vmrun
+[ ]*[0-9a-f]+:[ ]+0f 01 db[ ]+vmsave
+#pass
diff --git a/opcodes/i386-opc.tbl b/opcodes/i386-opc.tbl
index 94763f9f3e5..512235134b0 100644
--- a/opcodes/i386-opc.tbl
+++ b/opcodes/i386-opc.tbl
@@ -2068,7 +2068,7 @@ clgi, 0xf01dd, None, CpuSVME, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf,
invlpga, 0xf01df, None, CpuSVME, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, {}
invlpga, 0xf01df, None, CpuSVME, AddrPrefixOpReg, { Acc|Word|Dword|Qword, RegC|Dword }
skinit, 0xf01de, None, CpuSVME, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, {}
-skinit, 0xf01de, None, CpuSVME, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Acc|Dword }
+skinit, 0xf01de, None, CpuSVME, No_bSuf|IgnoreSize|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Acc|Dword }
stgi, 0xf01dc, None, CpuSVME, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, {}
vmgexit, 0xf30f01d9, None, CpuSEV_ES, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, {}
vmload, 0xf01da, None, CpuSVME, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, {}
diff --git a/opcodes/i386-tbl.h b/opcodes/i386-tbl.h
index ebf5414bc74..7df3b29ce15 100644
--- a/opcodes/i386-tbl.h
+++ b/opcodes/i386-tbl.h
@@ -44880,7 +44880,7 @@ const insn_template i386_optab[] =
{ { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0 } } } },
{ "skinit", 0x01de, 1, None,
- { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0,
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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2022-08-01 8:53 [binutils-gdb] x86: SKINIT with operand needs IgnoreSize Jan Beulich
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