gas/testsuite/

	* gas/m68k/br-isaa.s: New.
	* gas/m68k/br-isaa.d: New.
	* gas/m68k/br-isab.s: New.
	* gas/m68k/br-isab.d: New.
	* gas/m68k/br-isac.s: New.
	* gas/m68k/br-isac.d: New.
	* gas/m68k/all.exp: Adjust.

	gas/
	* config/tc-m68k.c (mcf54455_ctrl): New.
	(HAVE_LONG_DISP, HAVE_LONG_CALL, HAVE_LONG_COND): New.
	(m68k_archs): Add isac.
	(m68k_cpus): Add 54455 family.
	(m68k_ip): Split Bg into Bb, Bs, Bg.
	(m68k_elf_final_processing): Add ISA_C.
	* doc/c-m68k.texi (M680x0 Options): Add isac.

	include/opcode/
	* m68k.h (mcfisa_c): New.
	(mcfusp, mcf_mask): Adjust.

	bfd/
	* archures.c (bfd_mach_mcf_isa_c, bfd_mach_mcf_isa_c_mac,
	bfd_mach_mcf_isa_c_emac): New.
	* elf32-m68k.c (ISAC_PLT_ENTRY_SIZE, elf_isac_plt0_entry,
	elf_isac_plt_entry, elf_isac_plt_info): New.
	(elf32_m68k_object_p): Add ISA_C.
	(elf32_m68k_print_private_bfd_data): Print ISA_C.
	(elf32_m68k_get_plt_info): Detect ISA_C.
	* cpu-m68k.c (arch_info): Add ISAC.
	(m68k_arch_features): Likewise,
	(bfd_m68k_compatible): ISAs B & C are not compatible.

	opcodes/
	* m68k-opc.c: Mark mcfisa_c instructions.

1 files changed, 22 insertions, 9 deletions

diff --git a/bfd/cpu-m68k.c b/bfd/cpu-m68k.c
index 2e6f6c6..7e424a8 100644
--- a/bfd/cpu-m68k.c
+++ b/bfd/cpu-m68k.c
@@ -76,19 +76,25 @@ static const bfd_arch_info_type arch_info_struct[] =
       FALSE, &arch_info_struct[24]),
     N(bfd_mach_mcf_isa_b_float_emac, "m68k:isa-b:float:emac",
       FALSE, &arch_info_struct[25]),
+    N(bfd_mach_mcf_isa_c, "m68k:isa-c",
+      FALSE, &arch_info_struct[26]),
+    N(bfd_mach_mcf_isa_c_mac, "m68k:isa-c:mac",
+      FALSE, &arch_info_struct[27]),
+    N(bfd_mach_mcf_isa_c_emac, "m68k:isa-c:emac",
+      FALSE, &arch_info_struct[28]),
 
     /* Legacy names for CF architectures */
-    N(bfd_mach_mcf_isa_a_nodiv, "m68k:5200", FALSE, &arch_info_struct[26]),
-    N(bfd_mach_mcf_isa_a_mac,"m68k:5206e", FALSE, &arch_info_struct[27]),
-    N(bfd_mach_mcf_isa_a_mac, "m68k:5307", FALSE, &arch_info_struct[28]),
-    N(bfd_mach_mcf_isa_b_nousp_mac, "m68k:5407", FALSE, &arch_info_struct[29]),
-    N(bfd_mach_mcf_isa_aplus_emac, "m68k:528x", FALSE, &arch_info_struct[30]),
-    N(bfd_mach_mcf_isa_aplus_emac, "m68k:521x", FALSE, &arch_info_struct[31]),
-    N(bfd_mach_mcf_isa_a_emac, "m68k:5249", FALSE, &arch_info_struct[32]),
+    N(bfd_mach_mcf_isa_a_nodiv, "m68k:5200", FALSE, &arch_info_struct[29]),
+    N(bfd_mach_mcf_isa_a_mac,"m68k:5206e", FALSE, &arch_info_struct[30]),
+    N(bfd_mach_mcf_isa_a_mac, "m68k:5307", FALSE, &arch_info_struct[31]),
+    N(bfd_mach_mcf_isa_b_nousp_mac, "m68k:5407", FALSE, &arch_info_struct[32]),
+    N(bfd_mach_mcf_isa_aplus_emac, "m68k:528x", FALSE, &arch_info_struct[33]),
+    N(bfd_mach_mcf_isa_aplus_emac, "m68k:521x", FALSE, &arch_info_struct[34]),
+    N(bfd_mach_mcf_isa_a_emac, "m68k:5249", FALSE, &arch_info_struct[35]),
     N(bfd_mach_mcf_isa_b_float_emac, "m68k:547x",
-      FALSE, &arch_info_struct[33]),
+      FALSE, &arch_info_struct[36]),
     N(bfd_mach_mcf_isa_b_float_emac, "m68k:548x",
-      FALSE, &arch_info_struct[34]),
+      FALSE, &arch_info_struct[37]),
     N(bfd_mach_mcf_isa_b_float_emac, "m68k:cfv4e", FALSE, 0),
   };
 
@@ -125,6 +131,9 @@ static const unsigned m68k_arch_features[] =
   mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat,
   mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat|mcfmac,
   mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat|mcfemac,
+  mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp,
+  mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp|mcfmac,
+  mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp|mcfemac,
 };
 
 /* Return the count of bits set in MASK  */
@@ -222,6 +231,10 @@ bfd_m68k_compatible (const bfd_arch_info_type *a,
       if ((~features & (mcfisa_aa | mcfisa_b)) == 0)
 	return NULL;
 
+      /* ISA B and ISA C are incompatible.  */
+      if ((~features & (mcfisa_b | mcfisa_c)) == 0)
+	return NULL;
+
       /* MAC and EMAC code cannot be merged.  */
       if ((~features & (mcfmac | mcfemac)) == 0)
 	return NULL;