+2018-06-13 Scott Egerton <scott.egerton@imgtec.com>
+ Faraz Shahbazker <Faraz.Shahbazker@mips.com>
+
+ * elfxx-mips.c (print_mips_ases): Add CRC.
+
2018-06-08 H.J. Lu <hongjiu.lu@intel.com>
PR ld/23161
fputs ("\n\tXPA ASE", file);
if (mask & AFL_ASE_MIPS16E2)
fputs ("\n\tMIPS16e2 ASE", file);
+ if (mask & AFL_ASE_CRC)
+ fputs ("\n\tCRC ASE", file);
if (mask == 0)
fprintf (file, "\n\t%s", _("None"));
else if ((mask & ~AFL_ASE_MASK) != 0)
+2018-06-13 Scott Egerton <scott.egerton@imgtec.com>
+ Faraz Shahbazker <Faraz.Shahbazker@mips.com>
+
+ * readelf.c (print_mips_ases): Add CRC.
+
2018-06-13 Nick Clifton <nickc@redhat.com>
* doc/binutils.texi (objdump): Add missing closing square
fputs ("\n\tXPA ASE", stdout);
if (mask & AFL_ASE_MIPS16E2)
fputs ("\n\tMIPS16e2 ASE", stdout);
+ if (mask & AFL_ASE_CRC)
+ fputs ("\n\tCRC ASE", stdout);
if (mask == 0)
fprintf (stdout, "\n\t%s", _("None"));
else if ((mask & ~AFL_ASE_MASK) != 0)
+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.
+
2018-06-11 Maciej W. Rozycki <macro@mips.com>
* config/tc-mips.c (md_show_usage): Correct help text for `-O0'
-*- text -*-
+* Add support for the MIPS Cyclic Redudancy Check (CRC) ASE.
+
* Add support for the Freescale S12Z architecture.
* Add --generate-missing-build-notes=[yes|no] option to create (or not) GNU
OPTION_NO_MCU,
OPTION_MIPS16E2,
OPTION_NO_MIPS16E2,
+ OPTION_CRC,
+ OPTION_NO_CRC,
OPTION_M4650,
OPTION_NO_M4650,
OPTION_M4010,
{"mno-xpa", no_argument, NULL, OPTION_NO_XPA},
{"mmips16e2", no_argument, NULL, OPTION_MIPS16E2},
{"mno-mips16e2", no_argument, NULL, OPTION_NO_MIPS16E2},
+ {"mcrc", no_argument, NULL, OPTION_CRC},
+ {"mno-crc", no_argument, NULL, OPTION_NO_CRC},
/* Old-style architecture options. Don't add more of these. */
{"m4650", no_argument, NULL, OPTION_M4650},
OPTION_MIPS16E2, OPTION_NO_MIPS16E2,
2, 2, -1, -1,
6 },
+
+ { "crc", ASE_CRC, ASE_CRC64,
+ OPTION_CRC, OPTION_NO_CRC,
+ 6, 6, -1, -1,
+ -1 },
};
/* The set of ASEs that require -mfp64. */
ext_ases |= AFL_ASE_XPA;
if (ase & ASE_MIPS16E2)
ext_ases |= file_ase_mips16 ? AFL_ASE_MIPS16E2 : 0;
+ if (ase & ASE_CRC)
+ ext_ases |= AFL_ASE_CRC;
return ext_ases;
}
-mvirt generate Virtualization instructions\n\
-mno-virt do not generate Virtualization instructions\n"));
fprintf (stream, _("\
+-mcrc generate CRC instructions\n\
+-mno-crc do not generate CRC instructions\n"));
+ fprintf (stream, _("\
-minsn32 only generate 32-bit microMIPS instructions\n\
-mno-insn32 generate all microMIPS instructions\n"));
fprintf (stream, _("\
[@b{-mxpa}] [@b{-mno-xpa}]
[@b{-mmt}] [@b{-mno-mt}]
[@b{-mmcu}] [@b{-mno-mcu}]
+ [@b{-mcrc}] [@b{-mno-crc}]
[@b{-minsn32}] [@b{-mno-insn32}]
[@b{-mfix7000}] [@b{-mno-fix7000}]
[@b{-mfix-rm7000}] [@b{-mno-fix-rm7000}]
This tells the assembler to accept MCU instructions.
@samp{-mno-mcu} turns off this option.
+@item -mcrc
+@itemx -mno-crc
+Generate code for the MIPS 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
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
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
# ----------------------------------------------------------------------------
.*:100: Warning: the `eva' extension requires MIPS32 revision 2 or greater
.*:103: Error: opcode not supported.* `lbue \$4,16\(\$5\)'
+# ----------------------------------------------------------------------------
+.*:108: Error: opcode not supported.* `crc32d \$4,\$7,\$4'
+.*:109: Warning: the `crc' extension requires MIPS32 revision 6 or greater
+.*:112: Error: opcode not supported.* `crc32b \$4,\$7,\$4'
.set noeva
lbue $4,16($5) # ERROR: eva not enabled
+ .set mips32r6
+ .set crc # OK
+ crc32b $4,$7,$4 # OK
+ crc32d $4,$7,$4 # ERROR: 64-bit only
+ .set mips32r5 # ERROR: too low
+ crc32b $4,$7,$4 # OK
+ .set nocrc
+ crc32b $4,$7,$4 # ERROR: crc not enabled
+
# There should be no errors after this.
.set fp=32
.set mips1
# ----------------------------------------------------------------------------
.*:84: Warning: the `eva' extension requires MIPS64 revision 2 or greater
.*:87: Error: opcode not supported.* `lbue \$4,16\(\$5\)'
+# ----------------------------------------------------------------------------
+.*:93: Warning: the `crc' extension requires MIPS64 revision 6 or greater
+.*:97: Error: opcode not supported.* `crc32b \$4,\$7,\$4'
+.*:98: Error: opcode not supported.* `crc32d \$4,\$7,\$4'
.set noeva
lbue $4,16($5) # ERROR: eva not enabled
+ .set mips64r6
+ .set crc # OK
+ crc32b $4,$7,$4 # OK
+ crc32d $4,$7,$4 # OK
+ .set mips64r5 # ERROR: too low
+ crc32b $4,$7,$4 # OK
+ crc32d $4,$7,$4 # OK
+ .set nocrc
+ crc32b $4,$7,$4 # ERROR: crc not enabled
+ crc32d $4,$7,$4 # ERROR: crc not enabled
+
# There should be no errors after this.
.set fp=32
.set mips4
--- /dev/null
+#name: MIPS CRC instruction errors
+#as: -32 -mcrc
+#error-output: crc-err.l
--- /dev/null
+.*: Assembler messages:
+.*:4: Error: invalid operands `crc32b \$5,\$4,\$4'
+.*:6: Error: invalid operands `crc32b \$4,\$4,\$5'
+.*:7: Error: invalid operands `crc32b \$4,\$5,\$6'
+.*:9: Error: invalid operands `crc32h \$5,\$4,\$4'
+.*:11: Error: invalid operands `crc32h \$4,\$4,\$5'
+.*:12: Error: invalid operands `crc32h \$4,\$5,\$6'
+.*:14: Error: invalid operands `crc32w \$5,\$4,\$4'
+.*:16: Error: invalid operands `crc32w \$4,\$4,\$5'
+.*:17: Error: invalid operands `crc32w \$4,\$5,\$6'
+.*:19: Error: invalid operands `crc32cb \$5,\$4,\$4'
+.*:21: Error: invalid operands `crc32cb \$4,\$4,\$5'
+.*:22: Error: invalid operands `crc32cb \$4,\$5,\$6'
+.*:24: Error: invalid operands `crc32ch \$5,\$4,\$4'
+.*:26: Error: invalid operands `crc32ch \$4,\$4,\$5'
+.*:27: Error: invalid operands `crc32ch \$4,\$5,\$6'
+.*:29: Error: invalid operands `crc32cw \$5,\$4,\$4'
+.*:31: Error: invalid operands `crc32cw \$4,\$4,\$5'
+.*:32: Error: invalid operands `crc32cw \$4,\$5,\$6'
--- /dev/null
+ .text
+test_crc:
+ crc32b $4,$4,$4
+ crc32b $5,$4,$4
+ crc32b $4,$5,$4
+ crc32b $4,$4,$5
+ crc32b $4,$5,$6
+ crc32h $4,$4,$4
+ crc32h $5,$4,$4
+ crc32h $4,$5,$4
+ crc32h $4,$4,$5
+ crc32h $4,$5,$6
+ crc32w $4,$4,$4
+ crc32w $5,$4,$4
+ crc32w $4,$5,$4
+ crc32w $4,$4,$5
+ crc32w $4,$5,$6
+ crc32cb $4,$4,$4
+ crc32cb $5,$4,$4
+ crc32cb $4,$5,$4
+ crc32cb $4,$4,$5
+ crc32cb $4,$5,$6
+ crc32ch $4,$4,$4
+ crc32ch $5,$4,$4
+ crc32ch $4,$5,$4
+ crc32ch $4,$4,$5
+ crc32ch $4,$5,$6
+ crc32cw $4,$4,$4
+ crc32cw $5,$4,$4
+ crc32cw $4,$5,$4
+ crc32cw $4,$4,$5
+ crc32cw $4,$5,$6
--- /dev/null
+#objdump: -pdr --prefix-addresses --show-raw-insn
+#name: MIPS CRC
+#as: -mcrc -32
+
+# Test the CRC instructions
+
+.*: +file format .*mips.*
+#...
+ASEs:
+#...
+ CRC ASE
+#...
+
+Disassembly of section \.text:
+[0-9a-f]+ <[^>]*> 7ce4000f crc32b a0,a3,a0
+[0-9a-f]+ <[^>]*> 7ce4004f crc32h a0,a3,a0
+[0-9a-f]+ <[^>]*> 7ce4008f crc32w a0,a3,a0
+[0-9a-f]+ <[^>]*> 7ce4010f crc32cb a0,a3,a0
+[0-9a-f]+ <[^>]*> 7ce4014f crc32ch a0,a3,a0
+[0-9a-f]+ <[^>]*> 7ce4018f crc32cw a0,a3,a0
+ \.\.\.
--- /dev/null
+ .text
+test_crc:
+ crc32b $4,$7,$4
+ crc32h $4,$7,$4
+ crc32w $4,$7,$4
+ crc32cb $4,$7,$4
+ crc32ch $4,$7,$4
+ crc32cw $4,$7,$4
+
+# Force at least 8 (non-delay-slot) zero bytes, to make 'objdump' print ...
+ .align 2
+ .space 8
--- /dev/null
+#name: MIPS CRC64 instruction errors
+#as: -mcrc
+#error-output: crc64-err.l
--- /dev/null
+.*: Assembler messages:
+.*:4: Error: invalid operands `crc32d \$5,\$4,\$4'
+.*:6: Error: invalid operands `crc32d \$4,\$4,\$5'
+.*:7: Error: invalid operands `crc32d \$4,\$5,\$6'
+.*:9: Error: invalid operands `crc32cd \$5,\$4,\$4'
+.*:11: Error: invalid operands `crc32cd \$4,\$4,\$5'
+.*:12: Error: invalid operands `crc32cd \$4,\$5,\$6'
--- /dev/null
+ .text
+test_crc:
+ crc32d $4,$4,$4
+ crc32d $5,$4,$4
+ crc32d $4,$5,$4
+ crc32d $4,$4,$5
+ crc32d $4,$5,$6
+ crc32cd $4,$4,$4
+ crc32cd $5,$4,$4
+ crc32cd $4,$5,$4
+ crc32cd $4,$4,$5
+ crc32cd $4,$5,$6
--- /dev/null
+#objdump: -pdr --prefix-addresses --show-raw-insn
+#name: MIPS CRC64
+#as: -mcrc
+
+# Test the CRC64 instructions
+
+.*: +file format .*mips.*
+#...
+ASEs:
+#...
+ CRC ASE
+#...
+
+Disassembly of section \.text:
+[0-9a-f]+ <[^>]*> 7ce400cf crc32d a0,a3,a0
+[0-9a-f]+ <[^>]*> 7ce401cf crc32cd a0,a3,a0
+ \.\.\.
--- /dev/null
+ .text
+test_crc:
+ crc32d $4,$7,$4
+ crc32cd $4,$7,$4
+
+# Force at least 8 (non-delay-slot) zero bytes, to make 'objdump' print ...
+ .align 2
+ .space 8
run_list_test_arches "r6-branch-constraints" "-32" \
[mips_arch_list_matching mips32r6]
+
+ run_dump_test_arches "crc" [mips_arch_list_matching mips32r6]
+ run_dump_test_arches "crc-err" [mips_arch_list_matching mips32r6]
+ run_dump_test_arches "crc64" [mips_arch_list_matching mips64r6]
+ run_dump_test_arches "crc64-err" [mips_arch_list_matching mips64r6]
}
+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.
+
2018-06-04 Max Filippov <jcmvbkbc@gmail.com>
* elf/xtensa.h (xtensa_read_table_entries)
#define AFL_ASE_XPA 0x00001000 /* XPA ASE. */
#define AFL_ASE_DSPR3 0x00002000 /* DSP R3 ASE. */
#define AFL_ASE_MIPS16E2 0x00004000 /* MIPS16e2 ASE. */
-#define AFL_ASE_MASK 0x00007fff /* All ASEs. */
+#define AFL_ASE_CRC 0x00008000 /* CRC ASE. */
+#define AFL_ASE_MASK 0x0000ffff /* All ASEs. */
/* Values for the isa_ext word of an ABI flags structure. */
/* The Virtualization ASE has eXtended Physical Addressing (XPA)
instructions which are only valid when both ASEs are enabled. */
#define ASE_XPA_VIRT 0x00020000
+/* Cyclic redundancy check (CRC) ASE. */
+#define ASE_CRC 0x00040000
+#define ASE_CRC64 0x00080000
/* MIPS ISA defines, use instead of hardcoding ISA level. */
+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.
+
2018-06-08 Egeyar Bagcioglu <egeyar.bagcioglu@oracle.com>
PR 20319
{ "mips32r6", 1, bfd_mach_mipsisa32r6, CPU_MIPS32R6,
ISA_MIPS32R6,
(ASE_EVA | ASE_MSA | ASE_VIRT | ASE_XPA | ASE_MCU | ASE_MT | ASE_DSP
- | ASE_DSPR2 | ASE_DSPR3),
+ | ASE_DSPR2 | ASE_DSPR3 | ASE_CRC),
mips_cp0_names_mips3264r2,
mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
{ "mips64r6", 1, bfd_mach_mipsisa64r6, CPU_MIPS64R6,
ISA_MIPS64R6,
(ASE_EVA | ASE_MSA | ASE_MSA64 | ASE_XPA | ASE_VIRT | ASE_VIRT64
- | ASE_MCU | ASE_MT | ASE_DSP | ASE_DSPR2 | ASE_DSPR3),
+ | ASE_MCU | ASE_MT | ASE_DSP | ASE_DSPR2 | ASE_DSPR3 | ASE_CRC
+ | ASE_CRC64),
mips_cp0_names_mips3264r2,
mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
#define XPA ASE_XPA
#define XPAVZ ASE_XPA_VIRT
+/* Cyclic redundancy check instruction (CRC) support. */
+#define CRC ASE_CRC
+#define CRC64 ASE_CRC64
+
/* The order of overloaded instructions matters. Label arguments and
register arguments look the same. Instructions that can have either
for arguments must apear in the correct order in this table for the
{"aluipc", "s,u", 0xec1f0000, 0xfc1f0000, WR_1, RD_pc, I37, 0, 0 },
+/* MIPS cyclic redundancy check (CRC) ASE. */
+{"crc32b", "t,s,-d", 0x7c00000f, 0xfc00ffff, MOD_1|RD_2, 0, 0, CRC, 0 },
+{"crc32h", "t,s,-d", 0x7c00004f, 0xfc00ffff, MOD_1|RD_2, 0, 0, CRC, 0 },
+{"crc32w", "t,s,-d", 0x7c00008f, 0xfc00ffff, MOD_1|RD_2, 0, 0, CRC, 0 },
+{"crc32d", "t,s,-d", 0x7c0000cf, 0xfc00ffff, MOD_1|RD_2, 0, 0, CRC64, 0 },
+{"crc32cb", "t,s,-d", 0x7c00010f, 0xfc00ffff, MOD_1|RD_2, 0, 0, CRC, 0 },
+{"crc32ch", "t,s,-d", 0x7c00014f, 0xfc00ffff, MOD_1|RD_2, 0, 0, CRC, 0 },
+{"crc32cw", "t,s,-d", 0x7c00018f, 0xfc00ffff, MOD_1|RD_2, 0, 0, CRC, 0 },
+{"crc32cd", "t,s,-d", 0x7c0001cf, 0xfc00ffff, MOD_1|RD_2, 0, 0, CRC64, 0 },
+
/* No hazard protection on coprocessor instructions--they shouldn't
change the state of the processor and if they do it's up to the
user to put in nops as necessary. These are at the end so that the
projects / binutils-gdb.git / commitdiff