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authorRichard Kenner <kenner@vlsi1.ultra.nyu.edu>2001-02-16 02:30:37 +0000
committerRichard Kenner <kenner@gcc.gnu.org>2001-02-15 21:30:37 -0500
commitd64236b44d89d0641a87fbc2938368dfecaa8263 (patch)
tree8ef9873b96e49760d75adfaac8ed92bcdcd6513c /gcc
parent5ace5775649eb0485694c80247d3ca026f2e4a2c (diff)
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function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we do in memory.
* function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we do in memory. From-SVN: r39737
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/function.c7
2 files changed, 10 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c27b695..39401e1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
+ do in memory.
+
2001-02-15 Mark Mitchell <mark@codesourcery.com>
* invoke.texi (--param): Document.
diff --git a/gcc/function.c b/gcc/function.c
index 259ccca..1c3ee31 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -4706,8 +4706,11 @@ assign_parms (fndecl)
set_mem_attributes (DECL_RTL (parm), parm, 1);
}
else
- DECL_RTL (parm) = parmreg;
-
+ {
+ DECL_RTL (parm) = parmreg;
+ maybe_set_unchanging (DECL_RTL (parm), parm);
+ }
+
/* Copy the value into the register. */
if (nominal_mode != passed_mode
|| promoted_nominal_mode != promoted_mode)