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-rw-r--r--gas/ChangeLog17
-rw-r--r--gas/NEWS2
-rw-r--r--gas/config/tc-mips.c18
-rw-r--r--gas/doc/as.texi7
-rw-r--r--gas/doc/c-mips.texi15
-rw-r--r--gas/testsuite/gas/mips/loongson-3a-mmi.d1
6 files changed, 58 insertions, 2 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 30b82ae..94fd28c 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,22 @@
2018-08-29 Chenghua Xu <paul.hua.gm@gmail.com>
+ * NEWS: Mention Loongson EXTensions (EXT) support.
+ * config/tc-mips.c (options): Add OPTION_LOONGSON_EXT and
+ OPTION_NO_LOONGSON_EXT.
+ (md_longopts): Likewise.
+ (mips_ases): Define availability for EXT.
+ (mips_convert_ase_flags): Map ASE_LOONGSON_EXT to
+ AFL_ASE_LOONGSON_EXT.
+ (mips_cpu_info_table): Add ASE_LOONGSON_EXT for loongson3a.
+ (md_show_usage): Add help for -mloongson-ext and
+ -mno-loongson-ext.
+ * doc/as.texi: Document -mloongson-ext, -mno-loongson-ext.
+ * doc/c-mips.texi: Document -mloongson-ext, -mno-loongson-ext,
+ .set loongson-ext and .set noloongson-ext.
+ * testsuite/gas/mips/loongson-mmi.d: Add ASE flag.
+
+2018-08-29 Chenghua Xu <paul.hua.gm@gmail.com>
+
* NEWS: Mention Loongson Content Address Memory (CAM)
support.
* config/tc-mips.c (options): Add OPTION_LOONGSON_CAM and
diff --git a/gas/NEWS b/gas/NEWS
index b710c7a..48854e5 100644
--- a/gas/NEWS
+++ b/gas/NEWS
@@ -1,5 +1,7 @@
-*- text -*-
+* Add support for the MIPS Loongson EXTensions (EXT) instructions.
+
* Add support for the MIPS Loongson Content Address Memory (CAM) ASE.
* Add support for the C-SKY processor series.
diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c
index 1f58a6d..51eee00 100644
--- a/gas/config/tc-mips.c
+++ b/gas/config/tc-mips.c
@@ -1533,6 +1533,8 @@ enum options
OPTION_NO_LOONGSON_MMI,
OPTION_LOONGSON_CAM,
OPTION_NO_LOONGSON_CAM,
+ OPTION_LOONGSON_EXT,
+ OPTION_NO_LOONGSON_EXT,
OPTION_END_OF_ENUM
};
@@ -1597,6 +1599,8 @@ struct option md_longopts[] =
{"mno-loongson-mmi", no_argument, NULL, OPTION_NO_LOONGSON_MMI},
{"mloongson-cam", no_argument, NULL, OPTION_LOONGSON_CAM},
{"mno-loongson-cam", no_argument, NULL, OPTION_NO_LOONGSON_CAM},
+ {"mloongson-ext", no_argument, NULL, OPTION_LOONGSON_EXT},
+ {"mno-loongson-ext", no_argument, NULL, OPTION_NO_LOONGSON_EXT},
/* Old-style architecture options. Don't add more of these. */
{"m4650", no_argument, NULL, OPTION_M4650},
@@ -1804,6 +1808,11 @@ static const struct mips_ase mips_ases[] = {
OPTION_LOONGSON_CAM, OPTION_NO_LOONGSON_CAM,
0, 0, -1, -1,
-1 },
+
+ { "loongson-ext", ASE_LOONGSON_EXT, 0,
+ OPTION_LOONGSON_EXT, OPTION_NO_LOONGSON_EXT,
+ 0, 0, -1, -1,
+ -1 },
};
/* The set of ASEs that require -mfp64. */
@@ -19039,6 +19048,8 @@ mips_convert_ase_flags (int ase)
ext_ases |= AFL_ASE_LOONGSON_MMI;
if (ase & ASE_LOONGSON_CAM)
ext_ases |= AFL_ASE_LOONGSON_CAM;
+ if (ase & ASE_LOONGSON_EXT)
+ ext_ases |= AFL_ASE_LOONGSON_EXT;
return ext_ases;
}
@@ -19786,8 +19797,8 @@ static const struct mips_cpu_info mips_cpu_info_table[] =
/* MIPS 64 Release 2 */
/* Loongson CPU core */
- { "loongson3a", 0, ASE_LOONGSON_MMI | ASE_LOONGSON_CAM, ISA_MIPS64R2,
- CPU_LOONGSON_3A },
+ { "loongson3a", 0, ASE_LOONGSON_MMI | ASE_LOONGSON_CAM | ASE_LOONGSON_EXT,
+ ISA_MIPS64R2, CPU_LOONGSON_3A },
/* Cavium Networks Octeon CPU core */
{ "octeon", 0, 0, ISA_MIPS64R2, CPU_OCTEON },
@@ -20066,6 +20077,9 @@ MIPS options:\n\
-mloongson-cam generate Loongson Content Address Memory (CAM) instructions\n\
-mno-loongson-cam do not generate Loongson Content Address Memory Instructions\n"));
fprintf (stream, _("\
+-mloongson-ext generate Loongson EXTensions (EXT) instructions\n\
+-mno-loongson-ext do not generate Loongson EXTensions 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.texi b/gas/doc/as.texi
index 5d10e07..92dd366 100644
--- a/gas/doc/as.texi
+++ b/gas/doc/as.texi
@@ -446,6 +446,7 @@ gcc(1), ld(1), and the Info entries for @file{binutils} and @file{ld}.
[@b{-mginv}] [@b{-mno-ginv}]
[@b{-mloongson-mmi}] [@b{-mno-loongson-mmi}]
[@b{-mloongson-cam}] [@b{-mno-loongson-cam}]
+ [@b{-mloongson-ext}] [@b{-mno-loongson-ext}]
[@b{-minsn32}] [@b{-mno-insn32}]
[@b{-mfix7000}] [@b{-mno-fix7000}]
[@b{-mfix-rm7000}] [@b{-mno-fix-rm7000}]
@@ -1580,6 +1581,12 @@ Generate code for the Loongson Content Address Memory (CAM) instructions.
This tells the assembler to accept Loongson CAM instructions.
@samp{-mno-loongson-cam} turns off this option.
+@item -mloongson-ext
+@itemx -mno-loongson-ext
+Generate code for the Loongson EXTensions (EXT) instructions.
+This tells the assembler to accept Loongson EXT instructions.
+@samp{-mno-loongson-ext} 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 7d5d869..80b4160 100644
--- a/gas/doc/c-mips.texi
+++ b/gas/doc/c-mips.texi
@@ -260,6 +260,13 @@ Application Specific Extension. This tells the assembler to accept CAM
instructions.
@samp{-mno-loongson-cam} turns off this option.
+@item -mloongson-ext
+@itemx -mno-loongson-ext
+Generate code for the Loongson EXTensions (EXT) instructions
+Application Specific Extension. This tells the assembler to accept EXT
+instructions.
+@samp{-mno-loongson-ext} turns off this option.
+
@item -minsn32
@itemx -mno-insn32
Only use 32-bit instruction encodings when generating code for the
@@ -1167,6 +1174,14 @@ instructions from the Loongson CAM from that point on in the assembly.
The @code{.set noloongson-cam} directive prevents Loongson CAM instructions
from being accepted.
+@cindex Loongson EXTensions (EXT) instructions generation override
+@kindex @code{.set loongson-ext}
+@kindex @code{.set noloongson-ext}
+The directive @code{.set loongson-ext} makes the assembler accept
+instructions from the Loongson EXT from that point on in the assembly.
+The @code{.set noloongson-ext} directive prevents Loongson EXT instructions
+from being accepted.
+
Traditional MIPS assemblers do not support these directives.
@node MIPS Floating-Point
diff --git a/gas/testsuite/gas/mips/loongson-3a-mmi.d b/gas/testsuite/gas/mips/loongson-3a-mmi.d
index 81503cb..8319a7d 100644
--- a/gas/testsuite/gas/mips/loongson-3a-mmi.d
+++ b/gas/testsuite/gas/mips/loongson-3a-mmi.d
@@ -16,6 +16,7 @@ ISA Extension: Loongson 3A
ASEs:
Loongson MMI ASE
Loongson CAM ASE
+ Loongson EXT ASE
FLAGS 1: .*
FLAGS 2: .*
generated by cgit v1.1 at 2024-11-15 22:38:05 +0000