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authorRichard Kenner <kenner@vlsi1.ultra.nyu.edu>2001-12-28 01:46:22 +0000
committerRichard Kenner <kenner@gcc.gnu.org>2001-12-27 20:46:22 -0500
commit9674c84284965acd942ca436b71aa051f070eeb3 (patch)
treefa4c90b82fd81a0110eebf35ed144325d0f77661
parent0b264069f0b1cecd5d7f3b107a6f2e51bc6179dd (diff)
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integrate.c (copy_rtx_and_substitute, case MEM): If inlining and not for LHS, clear RTX_UNCHANGING_P.
* integrate.c (copy_rtx_and_substitute, case MEM): If inlining and not for LHS, clear RTX_UNCHANGING_P. From-SVN: r48337
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/integrate.c7
2 files changed, 12 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a5e4b93..82365dd 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Thu Dec 27 20:39:55 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * integrate.c (copy_rtx_and_substitute, case MEM): If inlining
+ and not for LHS, clear RTX_UNCHANGING_P.
+
2001-12-28 Philipp Thomas <pthomas@suse.de>
* cppfiles.c (stack_include_file): Don't translate <stdin>.
diff --git a/gcc/integrate.c b/gcc/integrate.c
index 45de618..ea38981 100644
--- a/gcc/integrate.c
+++ b/gcc/integrate.c
@@ -2267,6 +2267,13 @@ copy_rtx_and_substitute (orig, map, for_lhs)
PUT_MODE (copy, mode);
XEXP (copy, 0) = copy_rtx_and_substitute (XEXP (orig, 0), map, 0);
MEM_COPY_ATTRIBUTES (copy, orig);
+
+ /* If inlining and this is not for the LHS, turn off RTX_UNCHANGING_P
+ since this may be an indirect reference to a parameter and the
+ actual may not be readonly. */
+ if (inlining && !for_lhs)
+ RTX_UNCHANGING_P (copy) = 0;
+
return copy;
default: