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24 Commits

Author SHA1 Message Date
Philippe Mathieu-Daudé
3533ee301c target/mips: Use FloatRoundMode enum for FCR31 modes conversion 
Use the FloatRoundMode enum type introduced in commit 3dede407cc
("softfloat: Name rounding mode enum") instead of 'unsigned int'.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20201123204448.3260804-2-f4bug@amsat.org>
 2020-12-13 20:27:11 +01:00
Philippe Mathieu-Daudé
98cf80baa7 target/mips: Remove unused headers from fpu_helper.c 
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20201206233949.3783184-4-f4bug@amsat.org>
 2020-12-13 20:27:11 +01:00
Chetan Pant
89975214e6 target/mips: Fix Lesser GPL version number 
There is no "version 2" of the "Lesser" General Public License.
It is either "GPL version 2.0" or "Lesser GPL version 2.1".
This patch replaces all occurrences of "Lesser GPL version 2" with
"Lesser GPL version 2.1" in comment section.

Signed-off-by: Chetan Pant <chetan4windows@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201016143509.26692-1-chetan4windows@gmail.com>
[PMD: Split hw/ vs target/]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
 2020-11-03 16:51:13 +01:00
Aleksandar Markovic
32eb97b5eb target/mips: Demacro helpers for <MAX|MAXA|MIN|MINA>.<D|S> 
Remove function definitions via macros to achieve better code clarity.

Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1602103041-32017-4-git-send-email-aleksandar.qemu.devel@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
 2020-10-17 11:09:33 +02:00
Aleksandar Markovic
be0cb99426 target/mips: Demacro helpers for M<ADD|SUB>F.<D|S> 
Remove function definitions via macros to achieve better code clarity.

Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1602103041-32017-3-git-send-email-aleksandar.qemu.devel@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
 2020-10-17 11:09:33 +02:00
Aleksandar Markovic
8a6c9e0fdd target/mips: Demacro helpers for <ABS|CHS>.<D|S|PS> 
Remove function definitions via macros to achieve better code clarity.

Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1602103041-32017-2-git-send-email-aleksandar.qemu.devel@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
 2020-10-17 11:09:33 +02:00
Alex Richardson
dda97e385b target/mips: Fix ADD.S FPU instruction 
After merging latest QEMU upstream into our CHERI fork,
I noticed that some of the FPU tests in our MIPS baremetal
testsuite [*] started failing.
It turns out commit 1ace099f2a accidentally changed add.s
into a subtract.

[*] https://github.com/CTSRD-CHERI/cheritest

Fixes: 1ace099f2a ("target/mips: fpu: Demacro ADD.<D|S|PS>")
Signed-off-by: Alex Richardson <Alexander.Richardson@cl.cam.ac.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200703161515.25966-1-Alexander.Richardson@cl.cam.ac.uk>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
 2020-07-14 21:49:33 +02:00
Aleksandar Markovic
9579f78168 target/mips: fpu: Refactor conversion from ieee to mips exception flags 
The original coversion function is used for regular and MSA floating
point instructions handling. Since there are some nuanced differences
between regular and MSA floating point exception handling, provide two
instances of the conversion function, rather than just a single common
one. Inline both instances of this function instances for the sake of
performance. Improve variable naming in surrounding code for clarity.

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <20200518200920.17344-17-aleksandar.qemu.devel@gmail.com>
 2020-06-09 17:32:45 +02:00
Aleksandar Markovic
485cd2e4ce target/mips: fpu: Name better paired-single variables 
Use consistently 'l' and 'h' for low and high halves.

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <20200518200920.17344-16-aleksandar.qemu.devel@gmail.com>
 2020-06-09 17:32:45 +02:00
Aleksandar Markovic
bdbe48db40 target/mips: fpu: Remove now unused FLOAT_RINT macro 
After demacroing RINT.<D|S>, this macro is not needed anymore.

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <20200518200920.17344-15-aleksandar.qemu.devel@gmail.com>
 2020-06-09 17:32:45 +02:00
Aleksandar Markovic
728e424690 target/mips: fpu: Demacro RINT.<D|S> 
This is just a cosmetic change to enable tools like gcov, gdb,
callgrind, etc. to better display involved source code.

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <20200518200920.17344-14-aleksandar.qemu.devel@gmail.com>
 2020-06-09 17:32:45 +02:00
Aleksandar Markovic
6971a1b970 target/mips: fpu: Remove now unused FLOAT_CLASS macro 
After demacroing CLASS.<D|S>, this macro is not needed anymore.

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <20200518200920.17344-13-aleksandar.qemu.devel@gmail.com>
 2020-06-09 17:32:45 +02:00
Aleksandar Markovic
0bd99ac77c target/mips: fpu: Demacro CLASS.<D|S> 
This is just a cosmetic change to enable tools like gcov, gdb,
callgrind, etc. to better display involved source code.

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <20200518200920.17344-12-aleksandar.qemu.devel@gmail.com>
 2020-06-09 17:32:45 +02:00
Aleksandar Markovic
32574f1d1c target/mips: fpu: Remove now unused UNFUSED_FMA and FLOAT_FMA macros 
After demacroing <MADD|MSUB|NMADD|NMSUB>.<D|S|PS>, these macros
are not needed anymore.

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <20200518200920.17344-11-aleksandar.qemu.devel@gmail.com>
 2020-06-09 17:32:45 +02:00
Aleksandar Markovic
5c591e2259 target/mips: fpu: Demacro NMSUB.<D|S|PS> 
This is just a cosmetic change to enable tools like gcov, gdb,
callgrind, etc. to better display involved source code.

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <20200518200920.17344-10-aleksandar.qemu.devel@gmail.com>
 2020-06-09 17:32:45 +02:00
Aleksandar Markovic
0278586d60 target/mips: fpu: Demacro NMADD.<D|S|PS> 
This is just a cosmetic change to enable tools like gcov, gdb,
callgrind, etc. to better display involved source code.

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <20200518200920.17344-9-aleksandar.qemu.devel@gmail.com>
 2020-06-09 17:32:45 +02:00
Aleksandar Markovic
faec75244c target/mips: fpu: Demacro MSUB.<D|S|PS> 
This is just a cosmetic change to enable tools like gcov, gdb,
callgrind, etc. to better display involved source code.

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <20200518200920.17344-8-aleksandar.qemu.devel@gmail.com>
 2020-06-09 17:32:45 +02:00
Aleksandar Markovic
16734cc1da target/mips: fpu: Demacro MADD.<D|S|PS> 
This is just a cosmetic change to enable tools like gcov, gdb,
callgrind, etc. to better display involved source code.

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <20200518200920.17344-7-aleksandar.qemu.devel@gmail.com>
 2020-06-09 17:32:45 +02:00
Aleksandar Markovic
8248c9c5b2 target/mips: fpu: Remove now unused macro FLOAT_BINOP 
After demacroing <ADD|SUB|MUL|DIV>.<D|S|PS>, this macro is not
needed anymore.

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <20200518200920.17344-6-aleksandar.qemu.devel@gmail.com>
 2020-06-09 17:32:45 +02:00
Aleksandar Markovic
bcca8c4b1a target/mips: fpu: Demacro DIV.<D|S|PS> 
This is just a cosmetic change to enable tools like gcov, gdb,
callgrind, etc. to better display involved source code.

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <20200518200920.17344-5-aleksandar.qemu.devel@gmail.com>
 2020-06-09 17:32:45 +02:00
Aleksandar Markovic
11811198ef target/mips: fpu: Demacro MUL.<D|S|PS> 
This is just a cosmetic change to enable tools like gcov, gdb,
callgrind, etc. to better display involved source code.

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <20200518200920.17344-4-aleksandar.qemu.devel@gmail.com>
 2020-06-09 17:32:45 +02:00
Aleksandar Markovic
92ebdd7fa4 target/mips: fpu: Demacro SUB.<D|S|PS> 
This is just a cosmetic change to enable tools like gcov, gdb,
callgrind, etc. to better display involved source code.

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <20200518200920.17344-3-aleksandar.qemu.devel@gmail.com>
 2020-06-09 17:32:45 +02:00
Aleksandar Markovic
1ace099f2a target/mips: fpu: Demacro ADD.<D|S|PS> 
This is just a cosmetic change to enable tools like gcov, gdb,
callgrind, etc. to better display involved source code.

Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <20200518200920.17344-2-aleksandar.qemu.devel@gmail.com>
 2020-06-09 17:32:45 +02:00
Aleksandar Markovic
7b77f048e2 target/mips: Separate FPU-related helpers into their own file 
For clarity and easier maintenence, create target/mips/fpu_helper.c, and
move all FPU-related content form target/mips/op_helper.c to that file.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com>
Message-Id: <1580745443-24650-3-git-send-email-aleksandar.markovic@rt-rk.com>
 2020-02-04 08:53:54 +01:00