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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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2
sim/v850/simops.c
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@@ -3317,7 +3317,7 @@ v850_bins (SIM_DESC sd, unsigned int source, unsigned int lsb, unsigned int msb,
pos = lsb;
width = (msb - lsb) + 1;
mask = ~ (-1 << width);
mask = ~ (-(1 << width));
source &= mask;
mask <<= pos;
result = (* dest) & ~ mask;