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authorbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2008-06-25 12:31:29 +0000
committerbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2008-06-25 12:31:29 +0000
commit0bab3365ab64388aec5a25060aa40f6022d2db47 (patch)
tree88c621c773a19487886fc4758388f68856812312 /gcc/emit-rtl.c
parentf0741be49ab8138a5448c6bbe293357ae6a3b854 (diff)
downloadgcc-0bab3365ab64388aec5a25060aa40f6022d2db47.tar.gz
2008-06-25 Basile Starynkevitch <basile@starynkevitch.net>
MELT branch merged with trunk r137105 git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@137106 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/emit-rtl.c')
-rw-r--r--gcc/emit-rtl.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index d6929cf154b..fa2b78a4d95 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -963,6 +963,12 @@ set_reg_attrs_from_value (rtx reg, rtx x)
{
int offset;
+ /* Hard registers can be reused for multiple purposes within the same
+ function, so setting REG_ATTRS, REG_POINTER and REG_POINTER_ALIGN
+ on them is wrong. */
+ if (HARD_REGISTER_P (reg))
+ return;
+
offset = byte_lowpart_offset (GET_MODE (reg), GET_MODE (x));
if (MEM_P (x))
{