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author | Dominik Vogt <vogt@linux.vnet.ibm.com> | 2015-12-15 14:09:14 +0100 |
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committer | Andreas Arnez <arnez@linux.vnet.ibm.com> | 2015-12-15 14:09:14 +0100 |
commit | 1d19cae752a7b032b8253feb4fa3b9f1dc162823 (patch) | |
tree | fcd5b5f015c8f9dc4e541049369e89e52ab6c8ba /sim/mips | |
parent | 08832196accd270fa053e8125c21e7a54ab19fe0 (diff) | |
download | gdb-1d19cae752a7b032b8253feb4fa3b9f1dc162823.zip gdb-1d19cae752a7b032b8253feb4fa3b9f1dc162823.tar.gz gdb-1d19cae752a7b032b8253feb4fa3b9f1dc162823.tar.bz2 |
Fix invalid left shift of negative value
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.
Diffstat (limited to 'sim/mips')
-rw-r--r-- | sim/mips/ChangeLog | 5 | ||||
-rw-r--r-- | sim/mips/micromips.igen | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog index d37ab7a..040ae04 100644 --- a/sim/mips/ChangeLog +++ b/sim/mips/ChangeLog @@ -1,3 +1,8 @@ +2015-12-15 Dominik Vogt <vogt@linux.vnet.ibm.com> + + * micromips.igen (process_isa_mode): Fix left shift of negative + value. + 2015-11-17 Mike Frysinger <vapier@gentoo.org> * sim-main.h (WITH_MODULO_MEMORY): Delete. diff --git a/sim/mips/micromips.igen b/sim/mips/micromips.igen index 2c62376..f24220e 100644 --- a/sim/mips/micromips.igen +++ b/sim/mips/micromips.igen @@ -54,7 +54,7 @@ :function:::address_word:process_isa_mode:address_word target { SD->isa_mode = target & 0x1; - return (target & (-1 << 1)); + return (target & (-(1 << 1))); } :function:::address_word:do_micromips_jalr:int rt, int rs, address_word nia, int delayslot_instruction_size |