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Petar Jovanovic 29851ee7c8 target-mips: fix calculation of overflow for SHLL.PH and SHLL.QB 
This change corrects and simplifies how discard is calculated for shift
left logical vector instructions. It is used to detect overflow and set bit
22 in the DSPControl register.

The existing tests (shll_ph.c, shll_qb.c) are extended with the corner cases
that expose incorrectness in the previous implementation.

Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
 		2013-05-03 11:50:49 +02:00
..
Makefile.objs target-mips: Add ASE DSP internal functions 2012-10-31 20:24:05 +01:00
TODO target-mips: Change TODO file 2012-10-31 21:37:24 +01:00
cpu-qom.h cpu: Replace do_interrupt() by CPUClass::do_interrupt method 2013-03-12 10:35:55 +01:00
cpu.c cpu: Replace do_interrupt() by CPUClass::do_interrupt method 2013-03-12 10:35:55 +01:00
cpu.h cpu: Replace do_interrupt() by CPUClass::do_interrupt method 2013-03-12 10:35:55 +01:00
dsp_helper.c target-mips: fix calculation of overflow for SHLL.PH and SHLL.QB 2013-05-03 11:50:49 +02:00
helper.c cpu: Replace do_interrupt() by CPUClass::do_interrupt method 2013-03-12 10:35:55 +01:00
helper.h target-mips: Use mul[us]2 in [D]MULT[U] insns 2013-02-23 17:25:29 +00:00
lmi_helper.c target-mips: Implement Loongson Multimedia Instructions 2012-09-19 21:40:48 +02:00
machine.c target-mips: Don't overuse CPUState 2012-03-14 22:20:25 +01:00
mips-defs.h MIPS: Initial support of fulong mini pc (CPU definition) 2010-06-29 23:07:52 +02:00
op_helper.c cpu: Pass CPUState to cpu_interrupt() 2013-03-12 10:35:55 +01:00
translate.c cpu: Move halted and interrupt_request fields to CPUState 2013-03-12 10:35:55 +01:00
translate_init.c target-mips: Add ASE DSP processors 2012-10-31 21:37:20 +01:00