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| author | Scott Egerton <scott.egerton@imgtec.com> | 2018-06-13 15:39:05 +0100 |
|---|---|---|
| committer | Maciej W. Rozycki <macro@mips.com> | 2018-06-13 15:39:05 +0100 |
| commit | 730c31740a69eaee73e0fc5430d80daa683c26e7 (patch) | |
| tree | ecfb431685aa1375d38532ccb2218195f8142050 /gas/doc/c-mips.texi | |
| parent | a08ac84b963facb4c4a85c4d5df057d44e2a276d (diff) | |
| download | gdb-730c31740a69eaee73e0fc5430d80daa683c26e7.zip gdb-730c31740a69eaee73e0fc5430d80daa683c26e7.tar.gz gdb-730c31740a69eaee73e0fc5430d80daa683c26e7.tar.bz2 | |
MIPS: Add CRC ASE support
Add support for the CRC Application Specific Extension for Release 6 of
the MIPS Architecture.
[1] "MIPS Architecture for Programmers Volume II-A: The MIPS32
Instruction Set Manual", Imagination Technologies Ltd., Document
Number: MD00086, Revision 6.06, December 15, 2016, Section 3.2
"Alphabetical List of Instructions", pp. 143-148
[2] "MIPS Architecture for Programmers Volume II-A: The MIPS64
Instruction Set Manual", Imagination Technologies Ltd., Document
Number: MD00087, Revision 6.06, December 15, 2016, Section 3.2
"Alphabetical List of Instructions", pp. 165-170
ChangeLog:
bfd/
2018-06-13 Scott Egerton <scott.egerton@imgtec.com>
Faraz Shahbazker <Faraz.Shahbazker@mips.com>
* elfxx-mips.c (print_mips_ases): Add CRC.
binutils/
2018-06-13 Scott Egerton <scott.egerton@imgtec.com>
Faraz Shahbazker <Faraz.Shahbazker@mips.com>
* readelf.c (print_mips_ases): Add CRC.
gas/
2018-06-13 Scott Egerton <scott.egerton@imgtec.com>
Faraz Shahbazker <Faraz.Shahbazker@mips.com>
Maciej W. Rozycki <macro@mips.com>
* config/tc-mips.c (options): Add OPTION_CRC and OPTION_NO_CRC.
(md_longopts): Likewise.
(md_show_usage): Add help for -mcrc and -mno-crc.
(mips_ases): Define availability for CRC and CRC64.
(mips_convert_ase_flags): Map ASE_CRC to AFL_ASE_CRC.
* doc/as.texinfo: Document -mcrc, -mno-crc.
* doc/c-mips.texi: Document -mcrc, -mno-crc, .set crc and
.set no-crc.
* testsuite/gas/mips/ase-errors-1.l: Add error checks for CRC
ASE.
* testsuite/gas/mips/ase-errors-2.l: Likewise.
* testsuite/gas/mips/ase-errors-1.s: Likewise.
* testsuite/gas/mips/ase-errors-2.s: Likewise.
* testsuite/gas/mips/crc.d: New test.
* testsuite/gas/mips/crc64.d: New test.
* testsuite/gas/mips/crc-err.d: New test.
* testsuite/gas/mips/crc64-err.d: New test.
* testsuite/gas/mips/crc-err.l: New test stderr output.
* testsuite/gas/mips/crc64-err.l: New test stderr output.
* testsuite/gas/mips/crc.s: New test source.
* testsuite/gas/mips/crc64.s: New test source.
* testsuite/gas/mips/crc-err.s: New test source.
* testsuite/gas/mips/crc64-err.s: New test source.
* testsuite/gas/mips/mips.exp: Run the new tests.
include/
2018-06-13 Scott Egerton <scott.egerton@imgtec.com>
Faraz Shahbazker <Faraz.Shahbazker@mips.com>
* elf/mips.h (AFL_ASE_CRC): New macro.
(AFL_ASE_MASK): Update to include AFL_ASE_CRC.
* opcode/mips.h (ASE_CRC): New macro.
* opcode/mips.h (ASE_CRC64): Likewise.
opcodes/
2018-06-13 Scott Egerton <scott.egerton@imgtec.com>
Faraz Shahbazker <Faraz.Shahbazker@mips.com>
* mips-dis.c (mips_arch_choices): Add CRC and CRC64 ASEs.
* mips-opc.c (CRC, CRC64): New macros.
(mips_builtin_opcodes): Define crc32b, crc32h, crc32w,
crc32cb, crc32ch and crc32cw for CRC. Define crc32d and
crc32cd for CRC64.
Diffstat (limited to 'gas/doc/c-mips.texi')
| -rw-r--r-- | gas/doc/c-mips.texi | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gas/doc/c-mips.texi b/gas/doc/c-mips.texi index 650d886..36997e9 100644 --- a/gas/doc/c-mips.texi +++ b/gas/doc/c-mips.texi @@ -234,6 +234,12 @@ Generate code for the Virtualization Application Specific Extension. This tells the assembler to accept Virtualization instructions. @samp{-mno-virt} turns off this option. +@item -mcrc +@itemx -mno-crc +Generate code for the cyclic redundancy check (CRC) Application Specific +Extension. This tells the assembler to accept CRC instructions. +@samp{-mno-crc} turns off this option. + @item -minsn32 @itemx -mno-insn32 Only use 32-bit instruction encodings when generating code for the @@ -1111,6 +1117,13 @@ prevents MIPS16e2 instructions from being accepted, in MIPS16 mode. Neither directive affects the state of MIPS16 mode being active itself which has separate controls. +@cindex MIPS cyclic redundancy check (CRC) instruction generation override +@kindex @code{.set crc} +@kindex @code{.set nocrc} +The directive @code{.set crc} makes the assembler accept instructions +from the CRC Extension from that point on in the assembly. The +@code{.set nocrc} directive prevents CRC instructions from being accepted. + Traditional MIPS assemblers do not support these directives. @node MIPS Floating-Point |