diff options
| author | Jeff Law <law@redhat.com> | 2015-09-22 12:39:10 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2015-09-22 12:39:10 -0600 |
| commit | 50fa47d9167aa830a911df8f5ba4d52cec79536d (patch) | |
| tree | 59257fcbb9b7c3bc583e5947b268c000c54a1949 /gcc | |
| parent | 6b333269be81396c4ed6b700bf8bd3e0adeb50dc (diff) | |
| download | gcc-50fa47d9167aa830a911df8f5ba4d52cec79536d.zip gcc-50fa47d9167aa830a911df8f5ba4d52cec79536d.tar.gz gcc-50fa47d9167aa830a911df8f5ba4d52cec79536d.tar.bz2 | |
[PATCH] Remove undefined behaviour from hppa backend
* config/pa/pa.h (MIN_LEGIT_64BIT_CONST_INT: Avoid undefined
behavior.
From-SVN: r228021
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/pa/pa.h | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cf31527..53da589 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2015-09-22 Jeff Law <law@redhat.com> + + * config/pa/pa.h (MIN_LEGIT_64BIT_CONST_INT: Avoid undefined + behavior. + 2015-09-22 Nathan Sidwell <nathan@codesourcery.com> * doc/invoke.texi (-Wmultiple-inheritance, -Wvirtual-inheritance, diff --git a/gcc/config/pa/pa.h b/gcc/config/pa/pa.h index 9fd036f..511ea81 100644 --- a/gcc/config/pa/pa.h +++ b/gcc/config/pa/pa.h @@ -814,7 +814,8 @@ extern int may_call_alloca; this range are forced to the constant pool prior to reload. */ #define MAX_LEGIT_64BIT_CONST_INT ((HOST_WIDE_INT) 32 << 31) -#define MIN_LEGIT_64BIT_CONST_INT ((HOST_WIDE_INT) -32 << 31) +#define MIN_LEGIT_64BIT_CONST_INT \ + ((HOST_WIDE_INT)((unsigned HOST_WIDE_INT) -32 << 31)) #define LEGITIMATE_64BIT_CONST_INT_P(X) \ ((X) >= MIN_LEGIT_64BIT_CONST_INT && (X) < MAX_LEGIT_64BIT_CONST_INT) |