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linux-hardened/arch/mips/math-emu
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Aleksandar Markovic ddbfff7429 MIPS: math-emu: Handle zero accumulator case in MADDF and MSUBF separately 
If accumulator value is zero, just return the value of previously
calculated product. This brings logic in MADDF/MSUBF implementation
closer to the logic in ADD/SUB case.

Signed-off-by: Miodrag Dinic <miodrag.dinic@imgtec.com>
Signed-off-by: Goran Ferenc <goran.ferenc@imgtec.com>
Signed-off-by: Aleksandar Markovic <aleksandar.markovic@imgtec.com>
Cc: James.Hogan@imgtec.com
Cc: Paul.Burton@imgtec.com
Cc: Raghu.Gandham@imgtec.com
Cc: Leonid.Yegoshin@imgtec.com
Cc: Douglas.Leung@imgtec.com
Cc: Petar.Jovanovic@imgtec.com
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/16512/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-06-28 02:54:30 +02:00
..
cp1emu.c MIPS: math-emu: Fix BC1EQZ and BC1NEZ condition handling 2017-04-10 11:56:09 +02:00
dp_2008class.c MIPS: math-emu: Add support for the MIPS R6 CLASS FPU instruction 2015-09-03 12:08:14 +02:00
dp_add.c MIPS: math-emu: Reinstate sNaN quieting handlers 2015-04-08 01:09:31 +02:00
dp_cmp.c MIPS: math-emu: Remove redundant code from NaN comparison 2015-04-08 01:09:38 +02:00
dp_div.c MIPS: math-emu: Reinstate sNaN quieting handlers 2015-04-08 01:09:31 +02:00
dp_fint.c MIPS: math-emu: Cleanup coding style. 2014-05-23 15:11:15 +02:00
dp_flong.c MIPS: math-emu: Cleanup coding style. 2014-05-23 15:11:15 +02:00
dp_fmax.c MIPS: math-emu: Add support for the MIPS R6 MAX{, A} FPU instruction 2015-09-03 12:08:14 +02:00
dp_fmin.c MIPS: math-emu: Add support for the MIPS R6 MIN{, A} FPU instruction 2015-09-03 12:08:14 +02:00
dp_fsp.c MIPS: math-emu: Reinstate sNaN quieting handlers 2015-04-08 01:09:31 +02:00
dp_maddf.c MIPS: math-emu: Handle zero accumulator case in MADDF and MSUBF separately 2017-06-28 02:54:30 +02:00
dp_mul.c MIPS: math-emu: Fix code indentation 2016-05-13 14:02:23 +02:00
dp_simple.c MIPS: math-emu: Add IEEE Std 754-2008 ABS.fmt and NEG.fmt emulation 2016-01-20 00:39:20 +01:00
dp_sqrt.c MIPS: math-emu: Reinstate sNaN quieting handlers 2015-04-08 01:09:31 +02:00
dp_sub.c MIPS: math-emu: Reinstate sNaN quieting handlers 2015-04-08 01:09:31 +02:00
dp_tint.c MIPS: math-emu: Add IEEE Std 754-2008 NaN encoding emulation 2016-01-20 00:39:20 +01:00
dp_tlong.c MIPS: math-emu: Add IEEE Std 754-2008 NaN encoding emulation 2016-01-20 00:39:20 +01:00
dsemul.c sched/headers: Prepare to move the task_lock()/unlock() APIs to <linux/sched/task.h> 2017-03-02 08:42:38 +01:00
ieee754.c MIPS: math-emu: Add IEEE Std 754-2008 NaN encoding emulation 2016-01-20 00:39:20 +01:00
ieee754.h MIPS: math-emu: Add IEEE Std 754-2008 NaN encoding emulation 2016-01-20 00:39:20 +01:00
ieee754d.c MIPS: math-emu: Cleanup coding style. 2014-05-23 15:11:15 +02:00
ieee754dp.c MIPS: math-emu: Always propagate sNaN payload in quieting 2016-05-13 14:02:11 +02:00
ieee754dp.h MIPS: math-emu: Add z argument macros 2016-05-13 14:02:22 +02:00
ieee754int.h MIPS: math-emu: Add z argument macros 2016-05-13 14:02:22 +02:00
ieee754sp.c MIPS: math-emu: Fix m{add,sub}.s shifts 2016-05-13 14:02:23 +02:00
ieee754sp.h MIPS: math-emu: Fix m{add,sub}.s shifts 2016-05-13 14:02:23 +02:00
Makefile MIPS: math-emu: Unify ieee754dp_m{add,sub}f 2016-05-13 14:02:22 +02:00
me-debugfs.c MIPS: Declare mips_debugfs_dir in a header 2015-10-26 09:49:42 +01:00
sp_2008class.c MIPS: math-emu: Add support for the MIPS R6 CLASS FPU instruction 2015-09-03 12:08:14 +02:00
sp_add.c MIPS: math-emu: Fix m{add,sub}.s shifts 2016-05-13 14:02:23 +02:00
sp_cmp.c MIPS: math-emu: Remove redundant code from NaN comparison 2015-04-08 01:09:38 +02:00
sp_div.c MIPS: math-emu: Reinstate sNaN quieting handlers 2015-04-08 01:09:31 +02:00
sp_fdp.c MIPS: math-emu: Add IEEE Std 754-2008 NaN encoding emulation 2016-01-20 00:39:20 +01:00
sp_fint.c MIPS: math-emu: Cleanup coding style. 2014-05-23 15:11:15 +02:00
sp_flong.c MIPS: math-emu: Cleanup coding style. 2014-05-23 15:11:15 +02:00
sp_fmax.c MIPS: math-emu: Add support for the MIPS R6 MAX{, A} FPU instruction 2015-09-03 12:08:14 +02:00
sp_fmin.c MIPS: math-emu: Add support for the MIPS R6 MIN{, A} FPU instruction 2015-09-03 12:08:14 +02:00
sp_maddf.c MIPS: math-emu: Handle zero accumulator case in MADDF and MSUBF separately 2017-06-28 02:54:30 +02:00
sp_mul.c MIPS: math-emu: Reinstate sNaN quieting handlers 2015-04-08 01:09:31 +02:00
sp_simple.c MIPS: math-emu: Add IEEE Std 754-2008 ABS.fmt and NEG.fmt emulation 2016-01-20 00:39:20 +01:00
sp_sqrt.c MIPS: math-emu: Reinstate sNaN quieting handlers 2015-04-08 01:09:31 +02:00
sp_sub.c MIPS: math-emu: Fix m{add,sub}.s shifts 2016-05-13 14:02:23 +02:00
sp_tint.c MIPS: math-emu: Add IEEE Std 754-2008 NaN encoding emulation 2016-01-20 00:39:20 +01:00
sp_tlong.c MIPS: math-emu: Add IEEE Std 754-2008 NaN encoding emulation 2016-01-20 00:39:20 +01:00