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gas/testsuite/ 

2006-06-12  H.J. Lu  <hongjiu.lu@intel.com>

	* gas/i386/i386.exp: Run nops and x86-64-nops.

	* gas/i386/nops.d: New file.
	* gas/i386/nops.s: Likewise.
	* gas/i386/x86-64-nops.d: Likewise.
	* gas/i386/x86-64-nops.s: Likewise.

include/opcode/

2006-06-12  H.J. Lu  <hongjiu.lu@intel.com>

	* i386.h (i386_optab): Add "nop" with memory reference.

opcodes/

2006-06-12  H.J. Lu  <hongjiu.lu@intel.com>

	* i386-dis.c (dis386_twobyte): Use "nopQ" for 0x1f.
	(twobyte_has_modrm): Set 1 for 0x1f.
This commit is contained in:
H.J. Lu 2006-06-12 18:59:37 +00:00
parent 46e883c5a9
commit 1596541188
10 changed files with 85 additions and 3 deletions
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9
gas/testsuite/ChangeLog
View File

@ -1,3 +1,12 @@
2006-06-12 H.J. Lu <hongjiu.lu@intel.com>
* gas/i386/i386.exp: Run nops and x86-64-nops.
* gas/i386/nops.d: New file.
* gas/i386/nops.s: Likewise.
* gas/i386/x86-64-nops.d: Likewise.
* gas/i386/x86-64-nops.s: Likewise.
2006-06-12 H.J. Lu <hongjiu.lu@intel.com>
* gas/i386/opcode.s: Add "xchg %ax,%ax".

2
gas/testsuite/gas/i386/i386.exp
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@ -72,6 +72,7 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_32_check]]
run_dump_test "rep"
run_dump_test "rep-suffix"
run_dump_test "fp"
run_dump_test "nops"
# These tests require support for 8 and 16 bit relocs,
# so we only run them for ELF and COFF targets.
@ -144,6 +145,7 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_64_check]] t
run_dump_test "x86-64-rep"
run_dump_test "x86-64-rep-suffix"
run_dump_test "x86-64-gidt"
run_dump_test "x86-64-nops"
if { ![istarget "*-*-aix*"]
&& ![istarget "*-*-beos*"]

17
gas/testsuite/gas/i386/nops.d Normal file
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@ -0,0 +1,17 @@
#objdump: -drw
#name: i386 nops
.*: +file format .*
Disassembly of section .text:
0+000 <.text>:
[ ]*0:[ ]+0f 1f 00[ ]+nopl[ ]+\(%eax\)
[ ]*3:[ ]+0f 1f 40 00[ ]+nopl[ ]+0x0\(%eax\)
[ ]*7:[ ]+0f 1f 44 00 00[ ]+nopl[ ]+0x0\(%eax,%eax,1\)
[ ]*c:[ ]+66 0f 1f 44 00 00[ ]+nopw[ ]+0x0\(%eax,%eax,1\)
[ ]*12:[ ]+0f 1f 80 00 00 00 00[ ]+nopl[ ]+0x0\(%eax\)
[ ]*19:[ ]+0f 1f 84 00 00 00 00 00[ ]+nopl[ ]+0x0\(%eax,%eax,1\)
[ ]*21:[ ]+66 0f 1f 84 00 00 00 00 00[ ]+nopw[ ]+0x0\(%eax,%eax,1\)
[ ]*2a:[ ]+66 2e 0f 1f 84 00 00 00 00 00[ ]+nopw[ ]+%cs:0x0\(%eax,%eax,1\)
#pass

12
gas/testsuite/gas/i386/nops.s Normal file
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@ -0,0 +1,12 @@
.text
.byte 0x0f, 0x1f, 0x0
.byte 0x0f, 0x1f, 0x40, 0x0
.byte 0x0f, 0x1f, 0x44, 0x0, 0x0
.byte 0x66, 0x0f, 0x1f, 0x44, 0x0, 0x0
.byte 0x0f, 0x1f, 0x80, 0x0, 0x0, 0x0, 0x0
.byte 0x0f, 0x1f, 0x84, 0x0, 0x0, 0x0, 0x0, 0x0
.byte 0x66, 0x0f, 0x1f, 0x84, 0x0, 0x0, 0x0, 0x0, 0x0
.byte 0x66, 0x2e, 0x0f, 0x1f, 0x84, 0x0, 0x0, 0x0, 0x0, 0x0
.p2align 4

17
gas/testsuite/gas/i386/x86-64-nops.d Normal file
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@ -0,0 +1,17 @@
#objdump: -drw
#name: x86-64 nops
.*: +file format .*
Disassembly of section .text:
0+000 <.text>:
[ ]*0:[ ]+0f 1f 00[ ]+nopl[ ]+\(%rax\)
[ ]*3:[ ]+0f 1f 40 00[ ]+nopl[ ]+0x0\(%rax\)
[ ]*7:[ ]+0f 1f 44 00 00[ ]+nopl[ ]+0x0\(%rax,%rax,1\)
[ ]*c:[ ]+66 0f 1f 44 00 00[ ]+nopw[ ]+0x0\(%rax,%rax,1\)
[ ]*12:[ ]+0f 1f 80 00 00 00 00[ ]+nopl[ ]+0x0\(%rax\)
[ ]*19:[ ]+0f 1f 84 00 00 00 00 00[ ]+nopl[ ]+0x0\(%rax,%rax,1\)
[ ]*21:[ ]+66 0f 1f 84 00 00 00 00 00[ ]+nopw[ ]+0x0\(%rax,%rax,1\)
[ ]*2a:[ ]+66 2e 0f 1f 84 00 00 00 00 00[ ]+nopw[ ]+%cs:0x0\(%rax,%rax,1\)
#pass

12
gas/testsuite/gas/i386/x86-64-nops.s Normal file
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@ -0,0 +1,12 @@
.text
.byte 0x0f, 0x1f, 0x0
.byte 0x0f, 0x1f, 0x40, 0x0
.byte 0x0f, 0x1f, 0x44, 0x0, 0x0
.byte 0x66, 0x0f, 0x1f, 0x44, 0x0, 0x0
.byte 0x0f, 0x1f, 0x80, 0x0, 0x0, 0x0, 0x0
.byte 0x0f, 0x1f, 0x84, 0x0, 0x0, 0x0, 0x0, 0x0
.byte 0x66, 0x0f, 0x1f, 0x84, 0x0, 0x0, 0x0, 0x0, 0x0
.byte 0x66, 0x2e, 0x0f, 0x1f, 0x84, 0x0, 0x0, 0x0, 0x0, 0x0
.p2align 4

4
include/opcode/ChangeLog
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@ -1,3 +1,7 @@
2006-06-12 H.J. Lu <hongjiu.lu@intel.com>
* i386.h (i386_optab): Add "nop" with memory reference.
2006-06-12 H.J. Lu <hongjiu.lu@intel.com>
* i386.h (i386_optab): Update comment for 64bit NOP.

6
include/opcode/i386.h
View File

@ -555,7 +555,11 @@ static const template i386_optab[] =
{"bound", 2, 0x62, X, Cpu186|CpuNo64, wl_Suf|Modrm, { WordReg, WordMem, 0} },
{"hlt", 0, 0xf4, X, 0, NoSuf, { 0, 0, 0} },
/* nop is actually 'xchgl %eax, %eax'. */
{"nop", 1, 0x0f1f, X, Cpu686, wl_Suf|Modrm, { WordMem, 0, 0} },
/* nop is actually "xchg %ax,%ax" in 16bit mode, "xchg %eax,%eax" in
32bit mode and "xchg %rax,%rax" in 64bit mode. */
{"nop", 0, 0x90, X, 0, NoSuf, { 0, 0, 0} },
/* Protection control. */

5
opcodes/ChangeLog
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@ -1,3 +1,8 @@
2006-06-12 H.J. Lu <hongjiu.lu@intel.com>
* i386-dis.c (dis386_twobyte): Use "nopQ" for 0x1f.
(twobyte_has_modrm): Set 1 for 0x1f.
2006-06-12 H.J. Lu <hongjiu.lu@intel.com>
* i386-dis.c (NOP_Fixup): Removed.

4
opcodes/i386-dis.c
View File

@ -843,7 +843,7 @@ static const struct dis386 dis386_twobyte[] = {
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "nopQ", Ev, XX, XX },
/* 20 */
{ "movZ", Rm, Cm, XX },
{ "movZ", Rm, Dm, XX },
@ -1125,7 +1125,7 @@ static const unsigned char twobyte_has_modrm[256] = {
/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
/* ------------------------------- */
/* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */
/* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0, /* 1f */
/* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,1, /* 1f */
/* 20 */ 1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 2f */
/* 30 */ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 3f */
/* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */