projects / gcc.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 66574c5) | patch
Use __builtin_mul_overflow in xmallocarray
authorJanne Blomqvist <jb@gcc.gnu.org>
Fri, 14 Jun 2019 16:05:54 +0000 (19:05 +0300)
committerJanne Blomqvist <jb@gcc.gnu.org>
Fri, 14 Jun 2019 16:05:54 +0000 (19:05 +0300)
commit84d38abbc982db405cfe7a45ed53c64745da5511
tree03bfc61b8b6fe932def2e36c89dae37cbdaeefc9tree
parent66574c5374ecbd358e68d63922927fc03f2f232acommit | diff
Use __builtin_mul_overflow in xmallocarray

As GCC now provides builtins for doing integer overflow checking, lets
use it when checking for overflow in xmallocarray.

Regtested on x86_64-pc-linux-gnu.

libgfortran/ChangeLog:

2019-06-14  Janne Blomqvist  <jb@gcc.gnu.org>

* runtime/memory.c (SIZE_MAX):Remove macro definition.
(xmallocarray): Use __builtin_mul_overflow.

From-SVN: r272295
libgfortran/ChangeLog diff | blob | history
libgfortran/runtime/memory.c diff | blob | history