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Fix invalid left shift of negative value

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Fix occurrences of left-shifting negative constants in C code.

sim/arm/ChangeLog:

	* thumbemu.c (handle_T2_insn): Fix left shift of negative value.
	* armemu.c (handle_v6_insn): Likewise.

sim/avr/ChangeLog:

	* interp.c (sign_ext): Fix left shift of negative value.

sim/mips/ChangeLog:

	* micromips.igen (process_isa_mode): Fix left shift of negative
	value.

sim/msp430/ChangeLog:

	* msp430-sim.c (get_op, put_op): Fix left shift of negative value.

sim/v850/ChangeLog:

	* simops.c (v850_bins): Fix left shift of negative value.
This commit is contained in:
Dominik Vogt
2015-12-15 14:09:14 +01:00
committed by Andreas Arnez
parent 08832196ac
commit 1d19cae752
11 changed files with 55 additions and 33 deletions
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4
sim/avr/ChangeLog
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@ -1,3 +1,7 @@
2015-12-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
* interp.c (sign_ext): Fix left shift of negative value.
2015-11-21 Mike Frysinger <vapier@gentoo.org>
* interp.c (pc, cycles, avr_pc22): Delete.

2
sim/avr/interp.c
View File

@ -222,7 +222,7 @@ static byte sram[MAX_AVR_SRAM];
static int sign_ext (word val, int nb_bits)
{
if (val & (1 << (nb_bits - 1)))
return val | (-1 << nb_bits);
return val | -(1 << nb_bits);
return val;
}