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target-i386: Use 1UL for bit shift

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Fix undefined behavior detected by clang runtime check:

  qemu/target-i386/cpu.c:1494:15: runtime error:
    left shift of 1 by 31 places cannot be represented in type 'int'

While doing that, add extra parenthesis for clarity.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Eduardo Habkost 2015-09-29 17:34:22 -03:00
parent b6c5a6f021
commit 72370dc114
1 changed files with 1 additions and 1 deletions
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target-i386/cpu.c
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@ -1491,7 +1491,7 @@ static void report_unavailable_features(FeatureWord w, uint32_t mask)
int i;
for (i = 0; i < 32; ++i) {
if (1 << i & mask) {
if ((1UL << i) & mask) {
const char *reg = get_register_name_32(f->cpuid_reg);
assert(reg);
fprintf(stderr, "warning: %s doesn't support requested feature: "