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S12Z: Opcodes: Handle bit map operations with non-canonical operands.

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opcodes/
	* s12z-opc.c (bm_decode): Handle the RESERVERD0 case.

gas/
	* testsuite/gas/s12z/bit-manip-invalid.d: Extend the test.
	* testsuite/gas/s12z/bit-manip-invalid.s: Extend the test.
This commit is contained in:
John Darrington
2019-04-24 09:41:23 +02:00
parent d10be0cb9e
commit a679f24ecc
5 changed files with 21 additions and 4 deletions
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6
gas/ChangeLog
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@ -1,3 +1,9 @@
2019-04-24 John Darrington <john@darrington.wattle.id.au>
* testsuite/gas/s12z/bit-manip-invalid.s: Extend test for BSET
and BCLR instructions with an invalid mode.
* testsuite/gas/s12z/bit-manip-invalid.d: ditto.
2019-04-19 Nick Clifton <nickc@redhat.com> 2019-04-19 Nick Clifton <nickc@redhat.com>
PR 24464 PR 24464

6
gas/testsuite/gas/s12z/bit-manip-invalid.d
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@ -1,5 +1,5 @@
#objdump: -d #objdump: -d
#name: Test of disassembler behaviour by with invalid bit manipulation instructions #name: Test of disassembler behaviour with invalid bit manipulation instructions
#source: bit-manip-invalid.s #source: bit-manip-invalid.s
@ -17,3 +17,7 @@ Disassembly of section \.text:
8: 03 65 12 brset d1, #4, \*\+18 8: 03 65 12 brset d1, #4, \*\+18
b: 01 nop b: 01 nop
c: 01 nop c: 01 nop
d: ec 44 bclr d0, #0
f: ec 7c bclr d0, #7
11: ed 5d bset d1, #3
13: ed 7d bset d1, #7

4
gas/testsuite/gas/s12z/bit-manip-invalid.s
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@ -8,4 +8,8 @@
nop nop
DC.L 0x03651201 DC.L 0x03651201
nop nop
dc.w 0xEC44
dc.w 0xEC7C
dc.w 0xED5D
dc.w 0xED7D

5
opcodes/ChangeLog
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@ -3,6 +3,11 @@
* s12z-opc.h: Add extern "C" bracketing to help * s12z-opc.h: Add extern "C" bracketing to help
users who wish to use this interface in c++ code. users who wish to use this interface in c++ code.
2019-04-24 John Darrington <john@darrington.wattle.id.au>
* s12z-opc.c (bm_decode): Handle bit map operations with the
"reserved0" mode.
2019-04-15 Thomas Preud'homme <thomas.preudhomme@arm.com> 2019-04-15 Thomas Preud'homme <thomas.preudhomme@arm.com>
* arm-dis.c (coprocessor_opcodes): Document new %J and %K format * arm-dis.c (coprocessor_opcodes): Document new %J and %K format

4
opcodes/s12z-opc.c
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@ -1821,6 +1821,7 @@ bm_decode (struct mem_read_abstraction_base *mra,
switch (mode) switch (mode)
{ {
case BM_REG_IMM: case BM_REG_IMM:
case BM_RESERVED0:
imm = (bm & 0x38) >> 3; imm = (bm & 0x38) >> 3;
operand[(*n_operands)++] = create_immediate_operand (imm); operand[(*n_operands)++] = create_immediate_operand (imm);
break; break;
@ -1838,9 +1839,6 @@ bm_decode (struct mem_read_abstraction_base *mra,
case BM_RESERVED1: case BM_RESERVED1:
operand[(*n_operands)++] = create_register_operand ((bm & 0x70) >> 4); operand[(*n_operands)++] = create_register_operand ((bm & 0x70) >> 4);
break; break;
case BM_RESERVED0:
assert (0);
break;
} }
} }