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Add support for AArch32 CRC instruction in ARMv8.

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gas/ChangeLog
2013-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/tc-arm.c (crc_ext_armv8): New feature set.
	(UNPRED_REG): New macro.
	(do_crc32_1): New function.
	(do_crc32b, do_crc32h, do_crc32w, do_crc32cb,
	do_crc32ch, do_crc32cw): Likewise.
	(TUEc): New macro.
	(insns): Add entries for crc32 mnemonics.
	(arm_extensions): Add entry for crc.

include/opcode/ChangeLog
2013-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* arm.h (CRC_EXT_ARMV8): New constant.
	(ARCH_CRC_ARMV8): New macro.

opcodes/ChangeLog
2013-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* arm-dis.c (arm_opcodes): Add entries for CRC instructions.
	(thumb32_opcodes): Likewise.
	(print_insn_thumb32): Handle 'S' control char.

gas/testsuite/ChangeLog
2013-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* gas/arm/crc32-bad.d: New file.
	* gas/arm/crc32-bad.l: Likewise.
	* gas/arm/crc32-bad.s: Likewise.
	* gas/arm/crc32.d: Likewise.
	* gas/arm/crc32.s: Likewise.
This commit is contained in:
Kyrylo Tkachov 2013-03-11 11:09:33 +00:00
parent 2f1d9bddcc
commit dd5181d57f
12 changed files with 221 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

22
opcodes/arm-dis.c
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@ -903,6 +903,13 @@ static const struct opcode32 arm_opcodes[] =
{ARM_EXT_V8, 0x01d00c9f, 0x0ff00fff, "ldab%c\t%12-15r, [%16-19R]"},
{ARM_EXT_V8, 0x01e0fc90, 0x0ff0fff0, "stlh%c\t%0-3r, [%16-19R]"},
{ARM_EXT_V8, 0x01f00c9f, 0x0ff00fff, "ldaexh%c\t%12-15r, [%16-19R]"},
/* CRC32 instructions. */
{CRC_EXT_ARMV8, 0xe1000040, 0xfff00ff0, "crc32b\t%12-15R, %16-19R, %0-3R"},
{CRC_EXT_ARMV8, 0xe1200040, 0xfff00ff0, "crc32h\t%12-15R, %16-19R, %0-3R"},
{CRC_EXT_ARMV8, 0xe1400040, 0xfff00ff0, "crc32w\t%12-15R, %16-19R, %0-3R"},
{CRC_EXT_ARMV8, 0xe1000240, 0xfff00ff0, "crc32cb\t%12-15R, %16-19R, %0-3R"},
{CRC_EXT_ARMV8, 0xe1200240, 0xfff00ff0, "crc32ch\t%12-15R, %16-19R, %0-3R"},
{CRC_EXT_ARMV8, 0xe1400240, 0xfff00ff0, "crc32cw\t%12-15R, %16-19R, %0-3R"},
/* Virtualization Extension instructions. */
{ARM_EXT_VIRT, 0x0160006e, 0x0fffffff, "eret%c"},
@ -1455,7 +1462,8 @@ static const struct opcode16 thumb_opcodes[] =
%<bitfield>d print bitfield in decimal
%<bitfield>W print bitfield*4 in decimal
%<bitfield>r print bitfield as an ARM register
%<bitfield>R as %<>r bit r15 is UNPREDICTABLE
%<bitfield>R as %<>r but r15 is UNPREDICTABLE
%<bitfield>S as %<>R but r13 is UNPREDICTABLE
%<bitfield>c print bitfield as a condition code
%<bitfield>'c print specified char iff bitfield is all ones
@ -1490,6 +1498,14 @@ static const struct opcode32 thumb32_opcodes[] =
{ARM_EXT_V8, 0xe8d00fef, 0xfff00fff, "ldaex%c\t%12-15r, [%16-19R]"},
{ARM_EXT_V8, 0xe8d000ff, 0xfff000ff, "ldaexd%c\t%12-15r, %8-11r, [%16-19R]"},
/* CRC32 instructions. */
{CRC_EXT_ARMV8, 0xfac0f080, 0xfff0f0f0, "crc32b\t%8-11S, %16-19S, %0-3S"},
{CRC_EXT_ARMV8, 0xfac0f090, 0xfff0f0f0, "crc32h\t%9-11S, %16-19S, %0-3S"},
{CRC_EXT_ARMV8, 0xfac0f0a0, 0xfff0f0f0, "crc32w\t%8-11S, %16-19S, %0-3S"},
{CRC_EXT_ARMV8, 0xfad0f080, 0xfff0f0f0, "crc32cb\t%8-11S, %16-19S, %0-3S"},
{CRC_EXT_ARMV8, 0xfad0f090, 0xfff0f0f0, "crc32ch\t%8-11S, %16-19S, %0-3S"},
{CRC_EXT_ARMV8, 0xfad0f0a0, 0xfff0f0f0, "crc32cw\t%8-11S, %16-19S, %0-3S"},
/* V7 instructions. */
{ARM_EXT_V7, 0xf910f000, 0xff70f000, "pli%c\t%a"},
{ARM_EXT_V7, 0xf3af80f0, 0xfffffff0, "dbg%c\t#%0-3d"},
@ -4427,6 +4443,10 @@ print_insn_thumb32 (bfd_vma pc, struct disassemble_info *info, long given)
value_in_comment = val * 4;
break;
case 'S':
if (val == 13)
is_unpredictable = TRUE;
/* Fall through. */
case 'R':
if (val == 15)
is_unpredictable = TRUE;