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authorFaraz Shahbazker <Faraz.Shahbazker@mips.com>2018-06-14 21:34:49 +0100
committerMaciej W. Rozycki <macro@mips.com>2018-06-14 21:34:49 +0100
commit6f20c942c3dbc08d02f74e4d508e19f8617bc5e3 (patch)
tree8657870580c22165d940be0b82c63920e75835ea /gas
parent8993072900ae3980957f704a1e3e033a22a4dcac (diff)
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MIPS: Add Global INValidate ASE support
Add support for the Global INValidate 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. 187-191 bfd/ * elfxx-mips.c (print_mips_ases): Add GINV extension. binutils/ * readelf.c (print_mips_ases): Add GINV extension. gas/ * NEWS: Mention MIPS Global INValidate ASE support. * config/tc-mips.c (options): Add OPTION_GINV and OPTION_NO_GINV. (md_longopts): Likewise. (mips_ases): Define availability for GINV. (mips_convert_ase_flags): Map ASE_GINV to AFL_ASE_GINV. (md_show_usage): Add help for -mginv and -mno-ginv. * doc/as.texinfo: Document -mginv, -mno-ginv. * doc/c-mips.texi: Document -mginv, -mno-ginv, .set ginv and .set noginv. * testsuite/gas/mips/ase-errors-1.s: Add error checks for GINV ASE. * testsuite/gas/mips/ase-errors-2.s: Likewise. * testsuite/gas/mips/ase-errors-1.l: Likewise. * testsuite/gas/mips/ase-errors-2.l: Likewise. * testsuite/gas/mips/ginv.d: New test. * testsuite/gas/mips/ginv-err.d: New test. * testsuite/gas/mips/ginv-err.l: New test stderr output. * testsuite/gas/mips/ginv.s: New test source. * testsuite/gas/mips/ginv-err.s: New test source. * testsuite/gas/mips/mips.exp: Run the new tests. include/ * elf/mips.h (AFL_ASE_GINV, AFL_ASE_RESERVED1): New macros. (AFL_ASE_MASK): Update to include AFL_ASE_GINV. * opcode/mips.h: Document "+\" operand format. (ASE_GINV): New macro. opcodes/ * mips-dis.c (mips_arch_choices): Add GINV to mips32r6 and mips64r6 descriptors. (parse_mips_ase_option): Handle -Mginv option. (print_mips_disassembler_options): Document -Mginv. * mips-opc.c (decode_mips_operand) <+\>: New operand format. (GINV): New macro. (mips_opcodes): Define ginvi and ginvt.
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog23
-rw-r--r--gas/NEWS2
-rw-r--r--gas/config/tc-mips.c14
-rw-r--r--gas/doc/as.texinfo7
-rw-r--r--gas/doc/c-mips.texi13
-rw-r--r--gas/testsuite/gas/mips/ase-errors-1.l4
-rw-r--r--gas/testsuite/gas/mips/ase-errors-1.s8
-rw-r--r--gas/testsuite/gas/mips/ase-errors-2.l4
-rw-r--r--gas/testsuite/gas/mips/ase-errors-2.s8
-rw-r--r--gas/testsuite/gas/mips/ginv-err.d3
-rw-r--r--gas/testsuite/gas/mips/ginv-err.l4
-rw-r--r--gas/testsuite/gas/mips/ginv-err.s5
-rw-r--r--gas/testsuite/gas/mips/ginv.d18
-rw-r--r--gas/testsuite/gas/mips/ginv.s9
-rw-r--r--gas/testsuite/gas/mips/mips.exp3
15 files changed, 125 insertions, 0 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 9caa809..eeb4115 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,26 @@
+2018-06-14 Faraz Shahbazker <Faraz.Shahbazker@mips.com>
+
+ * NEWS: Mention MIPS Global INValidate ASE support.
+ * config/tc-mips.c (options): Add OPTION_GINV and OPTION_NO_GINV.
+ (md_longopts): Likewise.
+ (mips_ases): Define availability for GINV.
+ (mips_convert_ase_flags): Map ASE_GINV to AFL_ASE_GINV.
+ (md_show_usage): Add help for -mginv and -mno-ginv.
+ * doc/as.texinfo: Document -mginv, -mno-ginv.
+ * doc/c-mips.texi: Document -mginv, -mno-ginv, .set ginv and
+ .set noginv.
+ * testsuite/gas/mips/ase-errors-1.s: Add error checks for GINV
+ ASE.
+ * testsuite/gas/mips/ase-errors-2.s: Likewise.
+ * testsuite/gas/mips/ase-errors-1.l: Likewise.
+ * testsuite/gas/mips/ase-errors-2.l: Likewise.
+ * testsuite/gas/mips/ginv.d: New test.
+ * testsuite/gas/mips/ginv-err.d: New test.
+ * testsuite/gas/mips/ginv-err.l: New test stderr output.
+ * testsuite/gas/mips/ginv.s: New test source.
+ * testsuite/gas/mips/ginv-err.s: New test source.
+ * testsuite/gas/mips/mips.exp: Run the new tests.
+
2018-06-13 Scott Egerton <scott.egerton@imgtec.com>
Faraz Shahbazker <Faraz.Shahbazker@mips.com>
Maciej W. Rozycki <macro@mips.com>
diff --git a/gas/NEWS b/gas/NEWS
index a50e264..9dfc845 100644
--- a/gas/NEWS
+++ b/gas/NEWS
@@ -1,5 +1,7 @@
-*- text -*-
+* Add support for the MIPS Global INValidate (GINV) ASE.
+
* Add support for the MIPS Cyclic Redudancy Check (CRC) ASE.
* Add support for the Freescale S12Z architecture.
diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c
index 7cadbb6..8dfc1f5 100644
--- a/gas/config/tc-mips.c
+++ b/gas/config/tc-mips.c
@@ -1527,6 +1527,8 @@ enum options
OPTION_NAN,
OPTION_ODD_SPREG,
OPTION_NO_ODD_SPREG,
+ OPTION_GINV,
+ OPTION_NO_GINV,
OPTION_END_OF_ENUM
};
@@ -1585,6 +1587,8 @@ struct option md_longopts[] =
{"mno-mips16e2", no_argument, NULL, OPTION_NO_MIPS16E2},
{"mcrc", no_argument, NULL, OPTION_CRC},
{"mno-crc", no_argument, NULL, OPTION_NO_CRC},
+ {"mginv", no_argument, NULL, OPTION_GINV},
+ {"mno-ginv", no_argument, NULL, OPTION_NO_GINV},
/* Old-style architecture options. Don't add more of these. */
{"m4650", no_argument, NULL, OPTION_M4650},
@@ -1777,6 +1781,11 @@ static const struct mips_ase mips_ases[] = {
OPTION_CRC, OPTION_NO_CRC,
6, 6, -1, -1,
-1 },
+
+ { "ginv", ASE_GINV, 0,
+ OPTION_GINV, OPTION_NO_GINV,
+ 6, 6, 6, 6,
+ -1 },
};
/* The set of ASEs that require -mfp64. */
@@ -18987,6 +18996,8 @@ mips_convert_ase_flags (int ase)
ext_ases |= file_ase_mips16 ? AFL_ASE_MIPS16E2 : 0;
if (ase & ASE_CRC)
ext_ases |= AFL_ASE_CRC;
+ if (ase & ASE_GINV)
+ ext_ases |= AFL_ASE_GINV;
return ext_ases;
}
@@ -20004,6 +20015,9 @@ MIPS options:\n\
-mcrc generate CRC instructions\n\
-mno-crc do not generate CRC instructions\n"));
fprintf (stream, _("\
+-mginv generate Global INValidate (GINV) instructions\n\
+-mno-ginv do not generate Global INValidate instructions\n"));
+ fprintf (stream, _("\
-minsn32 only generate 32-bit microMIPS instructions\n\
-mno-insn32 generate all microMIPS instructions\n"));
fprintf (stream, _("\
diff --git a/gas/doc/as.texinfo b/gas/doc/as.texinfo
index 1c40a1e..493049c 100644
--- a/gas/doc/as.texinfo
+++ b/gas/doc/as.texinfo
@@ -423,6 +423,7 @@ gcc(1), ld(1), and the Info entries for @file{binutils} and @file{ld}.
[@b{-mmt}] [@b{-mno-mt}]
[@b{-mmcu}] [@b{-mno-mcu}]
[@b{-mcrc}] [@b{-mno-crc}]
+ [@b{-mginv}] [@b{-mno-ginv}]
[@b{-minsn32}] [@b{-mno-insn32}]
[@b{-mfix7000}] [@b{-mno-fix7000}]
[@b{-mfix-rm7000}] [@b{-mno-fix-rm7000}]
@@ -1519,6 +1520,12 @@ 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 -mginv
+@itemx -mno-ginv
+Generate code for the Global INValidate (GINV) Application Specific
+Extension. This tells the assembler to accept GINV instructions.
+@samp{-mno-ginv} turns off this option.
+
@item -minsn32
@itemx -mno-insn32
Only use 32-bit instruction encodings when generating code for the
diff --git a/gas/doc/c-mips.texi b/gas/doc/c-mips.texi
index 36997e9..9cbfaf2 100644
--- a/gas/doc/c-mips.texi
+++ b/gas/doc/c-mips.texi
@@ -240,6 +240,12 @@ 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 -mginv
+@itemx -mno-ginv
+Generate code for the Global INValidate (GINV) Application Specific
+Extension. This tells the assembler to accept GINV instructions.
+@samp{-mno-ginv} turns off this option.
+
@item -minsn32
@itemx -mno-insn32
Only use 32-bit instruction encodings when generating code for the
@@ -1124,6 +1130,13 @@ 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.
+@cindex MIPS Global INValidate (GINV) instruction generation override
+@kindex @code{.set ginv}
+@kindex @code{.set noginv}
+The directive @code{.set ginv} makes the assembler accept instructions
+from the GINV Extension from that point on in the assembly. The
+@code{.set noginv} directive prevents GINV instructions from being accepted.
+
Traditional MIPS assemblers do not support these directives.
@node MIPS Floating-Point
diff --git a/gas/testsuite/gas/mips/ase-errors-1.l b/gas/testsuite/gas/mips/ase-errors-1.l
index 7f7bba5..2c9fb9e 100644
--- a/gas/testsuite/gas/mips/ase-errors-1.l
+++ b/gas/testsuite/gas/mips/ase-errors-1.l
@@ -44,3 +44,7 @@
.*: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'
+# ----------------------------------------------------------------------------
+.*:117: Warning: the `ginv' extension requires MIPS32 revision 6 or greater
+.*:120: Error: opcode not supported.* `ginvi \$a0'
+# ----------------------------------------------------------------------------
diff --git a/gas/testsuite/gas/mips/ase-errors-1.s b/gas/testsuite/gas/mips/ase-errors-1.s
index 811f719..8b679a3 100644
--- a/gas/testsuite/gas/mips/ase-errors-1.s
+++ b/gas/testsuite/gas/mips/ase-errors-1.s
@@ -111,6 +111,14 @@
.set nocrc
crc32b $4,$7,$4 # ERROR: crc not enabled
+ .set mips32r6
+ .set ginv # OK
+ ginvi $a0 # OK
+ .set mips32r5 # ERROR: too low
+ ginvt $a0, 1 # OK
+ .set noginv
+ ginvi $a0 # ERROR: ginv not enabled
+
# There should be no errors after this.
.set fp=32
.set mips1
diff --git a/gas/testsuite/gas/mips/ase-errors-2.l b/gas/testsuite/gas/mips/ase-errors-2.l
index 652c27c..6ac5163 100644
--- a/gas/testsuite/gas/mips/ase-errors-2.l
+++ b/gas/testsuite/gas/mips/ase-errors-2.l
@@ -36,3 +36,7 @@
.*: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'
+# ----------------------------------------------------------------------------
+.*:103: Warning: the `ginv' extension requires MIPS64 revision 6 or greater
+.*:106: Error: opcode not supported.* `ginvi \$a0'
+# ----------------------------------------------------------------------------
diff --git a/gas/testsuite/gas/mips/ase-errors-2.s b/gas/testsuite/gas/mips/ase-errors-2.s
index 7ef363e..2b31517 100644
--- a/gas/testsuite/gas/mips/ase-errors-2.s
+++ b/gas/testsuite/gas/mips/ase-errors-2.s
@@ -97,6 +97,14 @@
crc32b $4,$7,$4 # ERROR: crc not enabled
crc32d $4,$7,$4 # ERROR: crc not enabled
+ .set mips64r6
+ .set ginv # OK
+ ginvi $a0 # OK
+ .set mips64r5 # ERROR: too low
+ ginvt $a0,1 # OK
+ .set noginv
+ ginvi $a0 # ERROR: ginv not enabled
+
# There should be no errors after this.
.set fp=32
.set mips4
diff --git a/gas/testsuite/gas/mips/ginv-err.d b/gas/testsuite/gas/mips/ginv-err.d
new file mode 100644
index 0000000..68c4096
--- /dev/null
+++ b/gas/testsuite/gas/mips/ginv-err.d
@@ -0,0 +1,3 @@
+#name: MIPS GINV instruction errors
+#as: -32 -mginv
+#error-output: ginv-err.l
diff --git a/gas/testsuite/gas/mips/ginv-err.l b/gas/testsuite/gas/mips/ginv-err.l
new file mode 100644
index 0000000..dbbb70c
--- /dev/null
+++ b/gas/testsuite/gas/mips/ginv-err.l
@@ -0,0 +1,4 @@
+.*: Assembler messages:
+.*:3: Error: invalid operands `ginvi 2'
+.*:4: Error: invalid operands `ginvt 3,3'
+.*:5: Error: operand 2 out of range `ginvt \$4,4'
diff --git a/gas/testsuite/gas/mips/ginv-err.s b/gas/testsuite/gas/mips/ginv-err.s
new file mode 100644
index 0000000..769fde3
--- /dev/null
+++ b/gas/testsuite/gas/mips/ginv-err.s
@@ -0,0 +1,5 @@
+ .text
+test:
+ ginvi 2
+ ginvt 3,3
+ ginvt $4,4
diff --git a/gas/testsuite/gas/mips/ginv.d b/gas/testsuite/gas/mips/ginv.d
new file mode 100644
index 0000000..1cb2955
--- /dev/null
+++ b/gas/testsuite/gas/mips/ginv.d
@@ -0,0 +1,18 @@
+#objdump: -pdr --prefix-addresses --show-raw-insn
+#name: MIPS GINV
+#as: -mginv -32
+
+# Test GINV instructions.
+
+.*: +file format .*mips.*
+#...
+ASEs:
+#...
+ GINV ASE
+#...
+
+Disassembly of section \.text:
+[0-9a-f]+ <[^>]*> 7c40003d ginvi v0
+[0-9a-f]+ <[^>]*> 7c6000bd ginvt v1,0x0
+[0-9a-f]+ <[^>]*> 7c8001bd ginvt a0,0x1
+ \.\.\.
diff --git a/gas/testsuite/gas/mips/ginv.s b/gas/testsuite/gas/mips/ginv.s
new file mode 100644
index 0000000..63cfb15
--- /dev/null
+++ b/gas/testsuite/gas/mips/ginv.s
@@ -0,0 +1,9 @@
+ .text
+test:
+ ginvi $2
+ ginvt $3,0
+ ginvt $4,1
+
+# Force at least 8 (non-delay-slot) zero bytes, to make 'objdump' print ...
+ .align 2
+ .space 8
diff --git a/gas/testsuite/gas/mips/mips.exp b/gas/testsuite/gas/mips/mips.exp
index 47e923b..786168d 100644
--- a/gas/testsuite/gas/mips/mips.exp
+++ b/gas/testsuite/gas/mips/mips.exp
@@ -2061,4 +2061,7 @@ if { [istarget mips*-*-vxworks*] } {
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]
+
+ run_dump_test_arches "ginv" [mips_arch_list_matching mips32r6]
+ run_dump_test_arches "ginv-err" [mips_arch_list_matching mips32r6]
}