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-rw-r--r--gcc/ChangeLog4
-rw-r--r--gcc/struct-equiv.c8
2 files changed, 6 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index eeb0febb311..bac513fbad0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
+
+ * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
+
2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
* tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
diff --git a/gcc/struct-equiv.c b/gcc/struct-equiv.c
index 265cfd0fce8..e580b889f98 100644
--- a/gcc/struct-equiv.c
+++ b/gcc/struct-equiv.c
@@ -570,17 +570,13 @@ rtx_equiv_p (rtx *xp, rtx y, int rvalue, struct equiv_info *info)
return false;
x_dest1 = XEXP (x, 0);
/* validate_change might have changed the destination. Put it back
- so that we can do a valid source match. */
+ so that we can do a proper match for its role a an input. */
XEXP (x, 0) = x_dest0;
- if (!rtx_equiv_p (&XEXP (x, 1), XEXP (y, 1), 0, info))
+ if (!rtx_equiv_p (&XEXP (x, 0), XEXP (y, 0), 1, info))
return false;
gcc_assert (x_dest1 == XEXP (x, 0));
/* Process source. */
return rtx_equiv_p (&XEXP (x, 1), XEXP (y, 1), 1, info);
- if (!rtx_equiv_p (&XEXP(x, 0), XEXP (y, 0), 0, info))
- return false;
- /* Process both subexpressions as inputs. */
- break;
}
case CLOBBER:
gcc_assert (rvalue < 0);