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-rw-r--r--gas/ChangeLog7
-rw-r--r--gas/config/tc-i386.c7
-rw-r--r--gas/config/tc-i386.h3
-rw-r--r--gas/doc/c-i386.texi3
-rw-r--r--gas/testsuite/ChangeLog6
-rw-r--r--gas/testsuite/gas/i386/i386.exp2
-rw-r--r--gas/testsuite/gas/i386/nops-1-amdfam15.d162
-rw-r--r--gas/testsuite/gas/i386/x86-64-nops-1-amdfam15.d162
8 files changed, 349 insertions, 3 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 1b3438d..92de336 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,10 @@
+2010-01-06 Quentin Neill <quentin.neill@amd.com>
+
+ * config/tc-i386.c (cpu_arch): Add amdfam15.
+ (i386_align_code): Add PROCESSOR_AMDFAM15 cases.
+ * config/tc-i386.h (processor_type): Add PROCESSOR_AMDFAM15.
+ * doc/c-i386.texi: Add amdfam15.
+
2010-01-04 Daniel Gutson <dgutson@codesourcery.com>
* config/tc-arm.c (do_neon_logic): Accept imm value
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index 2c1d04d..60d2149 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -596,6 +596,8 @@ static const arch_entry cpu_arch[] =
CPU_K8_FLAGS, 0 },
{ STRING_COMMA_LEN ("amdfam10"), PROCESSOR_AMDFAM10,
CPU_AMDFAM10_FLAGS, 0 },
+ { STRING_COMMA_LEN ("amdfam15"), PROCESSOR_AMDFAM15,
+ CPU_AMDFAM15_FLAGS, 0 },
{ STRING_COMMA_LEN (".8087"), PROCESSOR_UNKNOWN,
CPU_8087_FLAGS, 0 },
{ STRING_COMMA_LEN (".287"), PROCESSOR_UNKNOWN,
@@ -957,7 +959,8 @@ i386_align_code (fragS *fragP, int count)
PROCESSOR_CORE, PROCESSOR_CORE2, PROCESSOR_COREI7, and
PROCESSOR_GENERIC64, alt_long_patt will be used.
3. For PROCESSOR_ATHLON, PROCESSOR_K6, PROCESSOR_K8 and
- PROCESSOR_AMDFAM10, alt_short_patt will be used.
+ PROCESSOR_AMDFAM10, and PROCESSOR_AMDFAM15, alt_short_patt
+ will be used.
When -mtune= isn't used, alt_long_patt will be used if
cpu_arch_isa_flags has Cpu686. Otherwise, f32_patt will
@@ -1010,6 +1013,7 @@ i386_align_code (fragS *fragP, int count)
case PROCESSOR_ATHLON:
case PROCESSOR_K8:
case PROCESSOR_AMDFAM10:
+ case PROCESSOR_AMDFAM15:
patt = alt_short_patt;
break;
case PROCESSOR_I386:
@@ -1037,6 +1041,7 @@ i386_align_code (fragS *fragP, int count)
case PROCESSOR_ATHLON:
case PROCESSOR_K8:
case PROCESSOR_AMDFAM10:
+ case PROCESSOR_AMDFAM15:
case PROCESSOR_GENERIC32:
/* We use cpu_arch_isa_flags to check if we CAN optimize
for Cpu686. */
diff --git a/gas/config/tc-i386.h b/gas/config/tc-i386.h
index e355f7f..5e12272 100644
--- a/gas/config/tc-i386.h
+++ b/gas/config/tc-i386.h
@@ -220,7 +220,8 @@ enum processor_type
PROCESSOR_K8,
PROCESSOR_GENERIC32,
PROCESSOR_GENERIC64,
- PROCESSOR_AMDFAM10
+ PROCESSOR_AMDFAM10,
+ PROCESSOR_AMDFAM15
};
extern enum processor_type cpu_arch_tune;
diff --git a/gas/doc/c-i386.texi b/gas/doc/c-i386.texi
index 2c440bf..4a9f661 100644
--- a/gas/doc/c-i386.texi
+++ b/gas/doc/c-i386.texi
@@ -109,6 +109,7 @@ processor names are recognized:
@code{opteron},
@code{k8},
@code{amdfam10},
+@code{amdfam15},
@code{generic32} and
@code{generic64}.
@@ -915,7 +916,7 @@ supported on the CPU specified. The choices for @var{cpu_type} are:
@item @samp{prescott} @tab @samp{nocona} @tab @samp{core} @tab @samp{core2}
@item @samp{corei7} @tab @samp{l1om}
@item @samp{k6} @tab @samp{k6_2} @tab @samp{athlon} @tab @samp{k8}
-@item @samp{amdfam10}
+@item @samp{amdfam10} @tab @samp{amdfam15}
@item @samp{generic32} @tab @samp{generic64}
@item @samp{.mmx} @tab @samp{.sse} @tab @samp{.sse2} @tab @samp{.sse3}
@item @samp{.ssse3} @tab @samp{.sse4.1} @tab @samp{.sse4.2} @tab @samp{.sse4}
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index a18ddcd..ad7eb57 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2010-01-06 Quentin Neill <quentin.neill@amd.com>
+
+ * gas/i386/i386.exp: Add new amdfam15 test cases.
+ * gas/i386/nops-1-amdfam15.d: New.
+ * gas/i386/x86-64-nops-1-amdfam15.d: New.
+
2010-01-06 Daniel Gutson <dgutson@codesourcery.com>
* gas/arm/dis-data.d: New test case.
diff --git a/gas/testsuite/gas/i386/i386.exp b/gas/testsuite/gas/i386/i386.exp
index f4f8a5d..661d7a0 100644
--- a/gas/testsuite/gas/i386/i386.exp
+++ b/gas/testsuite/gas/i386/i386.exp
@@ -77,6 +77,7 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_32_check]]
run_dump_test "nops-1-i686"
run_dump_test "nops-1-k8"
run_dump_test "nops-1-core2"
+ run_dump_test "nops-1-amdfam15"
run_dump_test "nops-2"
run_dump_test "nops-2-i386"
run_dump_test "nops-2-core2"
@@ -274,6 +275,7 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_64_check]] t
run_dump_test "x86-64-nops-1-nocona"
run_dump_test "x86-64-nops-1-core2"
run_dump_test "x86-64-nops-1-pentium"
+ run_dump_test "x86-64-nops-1-amdfam15"
run_dump_test "x86-64-nops-2"
run_dump_test "x86-64-nops-3"
run_dump_test "x86-64-nops-4"
diff --git a/gas/testsuite/gas/i386/nops-1-amdfam15.d b/gas/testsuite/gas/i386/nops-1-amdfam15.d
new file mode 100644
index 0000000..c19774e
--- /dev/null
+++ b/gas/testsuite/gas/i386/nops-1-amdfam15.d
@@ -0,0 +1,162 @@
+#as: -mtune=amdfam15
+#source: nops-1.s
+#objdump: -drw
+#name: i386 -mtune=amdfam15 nops 1
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+0+ <nop15>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 0f 1f 80 00 00 00 00 nopl 0x0\(%eax\)
+[ ]*[a-f0-9]+: 0f 1f 84 00 00 00 00 00 nopl 0x0\(%eax,%eax,1\)
+
+0+10 <nop14>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 0f 1f 80 00 00 00 00 nopl 0x0\(%eax\)
+[ ]*[a-f0-9]+: 0f 1f 80 00 00 00 00 nopl 0x0\(%eax\)
+
+0+20 <nop13>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 66 0f 1f 44 00 00 nopw 0x0\(%eax,%eax,1\)
+[ ]*[a-f0-9]+: 0f 1f 80 00 00 00 00 nopl 0x0\(%eax\)
+
+0+30 <nop12>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 66 0f 1f 44 00 00 nopw 0x0\(%eax,%eax,1\)
+[ ]*[a-f0-9]+: 66 0f 1f 44 00 00 nopw 0x0\(%eax,%eax,1\)
+
+0+40 <nop11>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 0f 1f 44 00 00 nopl 0x0\(%eax,%eax,1\)
+[ ]*[a-f0-9]+: 66 0f 1f 44 00 00 nopw 0x0\(%eax,%eax,1\)
+
+0+50 <nop10>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 66 2e 0f 1f 84 00 00 00 00 00 nopw %cs:0x0\(%eax,%eax,1\)
+
+0+60 <nop9>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 66 0f 1f 84 00 00 00 00 00 nopw 0x0\(%eax,%eax,1\)
+
+0+70 <nop8>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 0f 1f 84 00 00 00 00 00 nopl 0x0\(%eax,%eax,1\)
+
+0+80 <nop7>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 0f 1f 80 00 00 00 00 nopl 0x0\(%eax\)
+
+0+90 <nop6>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 66 0f 1f 44 00 00 nopw 0x0\(%eax,%eax,1\)
+
+0+a0 <nop5>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 0f 1f 44 00 00 nopl 0x0\(%eax,%eax,1\)
+
+0+b0 <nop4>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 0f 1f 40 00 nopl 0x0\(%eax\)
+
+0+c0 <nop3>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 0f 1f 00 nopl \(%eax\)
+
+0+d0 <nop2>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 66 90 xchg %ax,%ax
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-nops-1-amdfam15.d b/gas/testsuite/gas/i386/x86-64-nops-1-amdfam15.d
new file mode 100644
index 0000000..820399a
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-nops-1-amdfam15.d
@@ -0,0 +1,162 @@
+#as: -mtune=amdfam15
+#source: nops-1.s
+#objdump: -drw
+#name: x86-64 -mtune=amdfam15 nops 1
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+0+ <nop15>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 0f 1f 80 00 00 00 00 nopl 0x0\(%rax\)
+[ ]*[a-f0-9]+: 0f 1f 84 00 00 00 00 00 nopl 0x0\(%rax,%rax,1\)
+
+0+10 <nop14>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 0f 1f 80 00 00 00 00 nopl 0x0\(%rax\)
+[ ]*[a-f0-9]+: 0f 1f 80 00 00 00 00 nopl 0x0\(%rax\)
+
+0+20 <nop13>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 66 0f 1f 44 00 00 nopw 0x0\(%rax,%rax,1\)
+[ ]*[a-f0-9]+: 0f 1f 80 00 00 00 00 nopl 0x0\(%rax\)
+
+0+30 <nop12>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 66 0f 1f 44 00 00 nopw 0x0\(%rax,%rax,1\)
+[ ]*[a-f0-9]+: 66 0f 1f 44 00 00 nopw 0x0\(%rax,%rax,1\)
+
+0+40 <nop11>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 0f 1f 44 00 00 nopl 0x0\(%rax,%rax,1\)
+[ ]*[a-f0-9]+: 66 0f 1f 44 00 00 nopw 0x0\(%rax,%rax,1\)
+
+0+50 <nop10>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 66 2e 0f 1f 84 00 00 00 00 00 nopw %cs:0x0\(%rax,%rax,1\)
+
+0+60 <nop9>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 66 0f 1f 84 00 00 00 00 00 nopw 0x0\(%rax,%rax,1\)
+
+0+70 <nop8>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 0f 1f 84 00 00 00 00 00 nopl 0x0\(%rax,%rax,1\)
+
+0+80 <nop7>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 0f 1f 80 00 00 00 00 nopl 0x0\(%rax\)
+
+0+90 <nop6>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 66 0f 1f 44 00 00 nopw 0x0\(%rax,%rax,1\)
+
+0+a0 <nop5>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 0f 1f 44 00 00 nopl 0x0\(%rax,%rax,1\)
+
+0+b0 <nop4>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 0f 1f 40 00 nopl 0x0\(%rax\)
+
+0+c0 <nop3>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 0f 1f 00 nopl \(%rax\)
+
+0+d0 <nop2>:
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 90 nop
+[ ]*[a-f0-9]+: 66 90 xchg %ax,%ax
+#pass