[Qemu-devel] [RISU PATCH v3 08/18] risugen: add command-line flag --x86_64

[Jan Bobek <jan.bobek@gmail.com>]

This flag instructs the x86 backend to emit 64-bit (rather than
32-bit) code.

Signed-off-by: Jan Bobek <jan.bobek@gmail.com>
---
 risugen | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/risugen b/risugen
index 0c859aa..50920eb 100755
--- a/risugen
+++ b/risugen
@@ -10,6 +10,7 @@
 #     Peter Maydell (Linaro) - initial implementation
 #     Claudio Fontana (Linaro) - initial aarch64 support
 #     Jose Ricardo Ziviani (IBM) - initial ppc64 support and arch isolation
+#     Jan Bobek - initial x86 support
 ###############################################################################
 
 # risugen -- generate a test binary file for use with risu
@@ -309,6 +310,7 @@ Valid options:
                    Useful to test before support for FP is available.
     --sve        : enable sve floating point
     --be         : generate instructions in Big-Endian byte order (ppc64 only).
+    --x86_64     : generate 64-bit (rather than 32-bit) code. (x86 only)
     --help       : print this message
 EOT
 }
@@ -321,6 +323,7 @@ sub main()
     my $fp_enabled = 1;
     my $sve_enabled = 0;
     my $big_endian = 0;
+    my $is_x86_64 = 0;
     my ($infile, $outfile);
 
     GetOptions( "help" => sub { usage(); exit(0); },
@@ -338,6 +341,7 @@ sub main()
                 "be" => sub { $big_endian = 1; },
                 "no-fp" => sub { $fp_enabled = 0; },
                 "sve" => sub { $sve_enabled = 1; },
+                "x86_64" => sub { $is_x86_64 = 1; },
         ) or return 1;
     # allow "--pattern re,re" and "--pattern re --pattern re"
     @pattern_re = split(/,/,join(',',@pattern_re));
@@ -371,7 +375,8 @@ sub main()
         'keys' => \@insn_keys,
         'arch' => $full_arch[0],
         'subarch' => $full_arch[1] || '',
-        'bigendian' => $big_endian
+        'bigendian' => $big_endian,
+        'x86_64' => $is_x86_64,
     );
 
     write_test_code(\%params);
-- 
2.20.1