From PR 22123:
The common opcodes of emac and mac seem to be only implemented for mac.
To reproduce:
echo "macw %d3l,%a0l" > /tmp/dummy.S
m68k-unknown-elf-as -m5208 /tmp/dummy.S
Outputs something like:
/tmp/dummy.S: Assembler messages:
/tmp/dummy.S:1: Error: operands mismatch -- statement `macw %d3l,%a0l' ignored
This behavior occurs only if the CPU supports only emac but not explicitly mac (but emac is a superset of mac).
For ISA_B/C only the combination #,d(An) is allowed in addition to the
ISA_A combinations for move.b and move.w (and pc-relative is never
allowed as destination).
opcodes/
PR gas/13050
* m68k-opc.c (moveb, movew): For ISA_B/C only allow #,d(An) in
addition to ISA_A.
gas/
PR gas/13050
* testsuite/gas/m68k/all.exp: Add tests p13050-1 and p13050-2.
* testsuite/gas/m68k/p13050-1.s: New file.
* testsuite/gas/m68k/p13050-2.d: New file.
* testsuite/gas/m68k/p13050-2.s: New file.
* gas/testsuite/gas/m68k/all.exp: Run it.
* opcodes/m68k-opc.c (m68k_opcodes): Fix entries for pmove with BADx/BACx
register and move them after pmove with PSR/PCSR register.
* archures.c (bfd_mach_cpu32_fido): Rename to bfd_mach_fido.
* bfd-in2.h: Regenerate.
* cpu-m68k.c (arch_info_struct): Use bfd_mach_fido instead of
bfd_mach_cpu32_fido.
(m68k_arch_features): Use fido_a instead of cpu32.
(bfd_m68k_compatible): Reject the combination of Fido and
ColdFire. Accept the combination of CPU32 and Fido with a
warning.
* elf32-m68k.c (elf32_m68k_object_p,
elf32_m68k_merge_private_bfd_data,
elf32_m68k_print_private_bfd_data): Treat Fido as an
architecture by itself.
binutils/
* readelf.c (get_machine_flags): Treat Fido as an architecture
by itself.
gas/
* config/tc-m68k.c (m68k_archs, m68k_cpus): Treat Fido as an
architecture by itself.
(m68k_ip): Don't issue a warning for tbl instructions on fido.
(m68k_elf_final_processing): Treat Fido as an architecture by
itself.
include/elf/
* m68k.h (EF_M68K_FIDO): New.
(EF_M68K_ARCH_MASK): OR EF_M68K_FIDO.
(EF_M68K_CPU32_FIDO_A, EF_M68K_CPU32_MASK): Remove.
include/opcode/
* m68k.h (m68010up): OR fido_a.
opcodes/
* m68k-opc.c (m68k_opcodes): Replace cpu32 with
cpu32 | fido_a except on tbl instructions.
* config/tc-m68k.c (m68k_ip): Correct output of cpu aliases.
gas/testsuite/
* gas/m68k/all.exp: Add mcf-trap.
* gas/m68k/mcf-trap.[sd]: New.
opcodes/
* m68k-opc.c (m68k_opcodes): Place trap instructions before set
conditionals. Add tpf coldfire instruction as alias for trapf.
* m68k.h (mcf_mask): Define.
opcodes/
* m68k-opc.c (m68k_opcodes): Fix the masks of the Coldfire fmovemd
and fmovem entries. Put register list entries before immediate
mask entries. Use "l" rather than "L" in the fmovem entries.
* m68k-dis.c (match_insn_m68k): Remove the PRIV argument and work it
out from INFO.
(m68k_scan_mask): New function, split out from...
(print_insn_m68k): ...here. If no architecture has been set,
first try printing an m680x0 instruction, then try a Coldfire one.
gas/testsuite/
* gas/m68k/mcf-fpu.s: Add fmovemd and fmovem instructions.
* gas/m68k/mcf-fpu.d: Adjust accordingly.
Alan Modra