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| author | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2014-05-02 15:35:33 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2014-05-02 15:35:33 +0000 |
| commit | e13b3dfdeea77ac62a65c4afc710190ef413c9f8 (patch) | |
| tree | 1e20604d7401139710c7f1d3907543c6e9bf0b3d /gcc | |
| parent | 0696116a28a8507e59700b78a827217f1db6a43f (diff) | |
| download | gcc-e13b3dfdeea77ac62a65c4afc710190ef413c9f8.zip gcc-e13b3dfdeea77ac62a65c4afc710190ef413c9f8.tar.gz gcc-e13b3dfdeea77ac62a65c4afc710190ef413c9f8.tar.bz2 | |
hwint.h (zext_hwi): Fix signed overflow for prec == 63.
gcc/
* hwint.h (zext_hwi): Fix signed overflow for prec == 63.
From-SVN: r210006
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/hwint.h | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 69342eb..738dee3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2014-05-02 Richard Sandiford <rsandifo@linux.vnet.ibm.com> + + * hwint.h (zext_hwi): Fix signed overflow for prec == 63. + 2014-05-02 Alan Lawrence <alan.lawrence@arm.com> * config/aarch64/aarch64.c (aarch64_expand_vec_perm_1): Tidy bit-flip diff --git a/gcc/hwint.h b/gcc/hwint.h index 229fb94..ac9c9a2 100644 --- a/gcc/hwint.h +++ b/gcc/hwint.h @@ -344,7 +344,7 @@ zext_hwi (unsigned HOST_WIDE_INT src, unsigned int prec) else { gcc_checking_assert (prec < HOST_BITS_PER_WIDE_INT); - return src & (((HOST_WIDE_INT) 1 << prec) - 1); + return src & (((unsigned HOST_WIDE_INT) 1 << prec) - 1); } } |