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diff -rup binutils-2.35.2/gas/config/tc-s390.c fred/gas/config/tc-s390.c
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--- binutils-2.35.2/gas/config/tc-s390.c	2022-04-11 08:54:46.529179603 +0100
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+++ fred/gas/config/tc-s390.c	2022-04-11 08:51:08.030832065 +0100
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@@ -293,7 +293,7 @@ s390_parse_cpu (const char *         arg
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       S390_INSTR_FLAG_HTM | S390_INSTR_FLAG_VX },
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     { STRING_COMMA_LEN ("z15"), STRING_COMMA_LEN ("arch13"),
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       S390_INSTR_FLAG_HTM | S390_INSTR_FLAG_VX },
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-    { STRING_COMMA_LEN (""), STRING_COMMA_LEN ("arch14"),
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+    { STRING_COMMA_LEN ("z16"), STRING_COMMA_LEN ("arch14"),
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       S390_INSTR_FLAG_HTM | S390_INSTR_FLAG_VX }
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   };
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   static struct
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diff -rup binutils-2.35.2/gas/doc/as.texi fred/gas/doc/as.texi
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--- binutils-2.35.2/gas/doc/as.texi	2022-04-11 08:54:46.099182880 +0100
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+++ fred/gas/doc/as.texi	2022-04-11 08:52:33.088196625 +0100
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@@ -1872,8 +1872,8 @@ Specify which s390 processor variant is
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 @samp{arch3}), @samp{g6}, @samp{z900} (or @samp{arch5}), @samp{z990} (or
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 @samp{arch6}), @samp{z9-109}, @samp{z9-ec} (or @samp{arch7}), @samp{z10} (or
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 @samp{arch8}), @samp{z196} (or @samp{arch9}), @samp{zEC12} (or @samp{arch10}),
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-@samp{z13} (or @samp{arch11}), @samp{z14} (or @samp{arch12}), or @samp{z15}
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-(or @samp{arch13}).
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+@samp{z13} (or @samp{arch11}), @samp{z14} (or @samp{arch12}), @samp{z15}
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+(or @samp{arch13}), or @samp{z16} (or @samp{arch14}).
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 @item -mregnames
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 @itemx -mno-regnames
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 Allow or disallow symbolic names for registers.
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diff -rup binutils-2.35.2/gas/doc/c-s390.texi fred/gas/doc/c-s390.texi
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--- binutils-2.35.2/gas/doc/c-s390.texi	2022-04-11 08:54:46.551179435 +0100
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+++ fred/gas/doc/c-s390.texi	2022-04-11 08:51:50.623520271 +0100
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@@ -18,7 +18,7 @@ and eleven chip levels. The architecture
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 Architecture (ESA) and the newer z/Architecture mode. The chip levels
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 are g5 (or arch3), g6, z900 (or arch5), z990 (or arch6), z9-109, z9-ec
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 (or arch7), z10 (or arch8), z196 (or arch9), zEC12 (or arch10), z13
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-(or arch11), z14 (or arch12), z15 (or arch13), or arch14.
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+(or arch11), z14 (or arch12), z15 (or arch13), or z16 (or arch14).
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 @menu
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 * s390 Options::                Command-line Options.
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diff -rup binutils-2.35.2/opcodes/s390-mkopc.c fred/opcodes/s390-mkopc.c
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--- binutils-2.35.2/opcodes/s390-mkopc.c	2022-04-11 08:54:46.530179595 +0100
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+++ fred/opcodes/s390-mkopc.c	2022-04-11 08:53:04.701955680 +0100
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@@ -380,7 +380,8 @@ main (void)
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       else if (strcmp (cpu_string, "z15") == 0
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 	       || strcmp (cpu_string, "arch13") == 0)
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 	min_cpu = S390_OPCODE_ARCH13;
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-      else if (strcmp (cpu_string, "arch14") == 0)
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+      else if (strcmp (cpu_string, "z16") == 0
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+	       || strcmp (cpu_string, "arch14") == 0)
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 	min_cpu = S390_OPCODE_ARCH14;
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       else {
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 	fprintf (stderr, "Couldn't parse cpu string %s\n", cpu_string);