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authoruweigand <uweigand@138bc75d-0d04-0410-961f-82ee72b054a4>2014-12-03 21:59:10 +0000
committeruweigand <uweigand@138bc75d-0d04-0410-961f-82ee72b054a4>2014-12-03 21:59:10 +0000
commit5a1b56d93e5e97f6ca81efd23c4ea6844b6ad1b9 (patch)
treef081b6847a0e9377b7ccb1828811368648fc35ee /gcc/reload.c
parent96439bf24f276c3061cac029683accb345b5540a (diff)
downloadgcc-5a1b56d93e5e97f6ca81efd23c4ea6844b6ad1b9.tar.gz
PR rtl-optimization/64010
* reload.c (push_reload): Before reusing a register contained in an operand as input reload register, ensure that it is not used in CALL_INSN_FUNCTION_USAGE. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@218335 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reload.c')
-rw-r--r--gcc/reload.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/reload.c b/gcc/reload.c
index 9ef2c89887a..3f5abb84878 100644
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -1625,6 +1625,7 @@ push_reload (rtx in, rtx out, rtx *inloc, rtx *outloc,
end_hard_regno (rel_mode,
regno),
PATTERN (this_insn), inloc)
+ && ! find_reg_fusage (this_insn, USE, XEXP (note, 0))
/* If this is also an output reload, IN cannot be used as
the reload register if it is set in this insn unless IN
is also OUT. */