OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Fix for big-endian gcc.c-torture/execute/pr55750.c

Browse Source 
* gimple-ssa-store-merging.c (encode_tree_to_bitpos): Don't forget to
	clear padding bits even when they're less than a byte.

From-SVN: r241798
This commit is contained in:
Kyrylo Tkachov 2016-11-02 16:03:13 +00:00 committed by Kyrylo Tkachov
parent 2b01aad6dc
commit b231822dae
2 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gcc/ChangeLog
View File

@ -1,3 +1,8 @@
2016-11-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* gimple-ssa-store-merging.c (encode_tree_to_bitpos): Don't forget to
clear padding bits even when they're less than a byte.
2016-11-02 Richard Biener <rguenther@suse.de>
* gimple-ssa-store-merging.c: Include gimplify-me.h.

3
gcc/gimple-ssa-store-merging.c
View File

@ -431,7 +431,8 @@ encode_tree_to_bitpos (tree expr, unsigned char *ptr, int bitlen, int bitpos,
contain a sign bit due to sign-extension). */
unsigned int padding
= byte_size - ROUND_UP (bitlen, BITS_PER_UNIT) / BITS_PER_UNIT - 1;
if (padding != 0)
if (padding != 0
|| bitlen % BITS_PER_UNIT != 0)
{
/* On big-endian the padding is at the 'front' so just skip the initial
bytes. */