* config/s390/s390.md ("casesi"): Mark jump table access as

	non-trapping and unchanging.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@81240 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8b56750..1f8d3e3 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-04-28  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * config/s390/s390.md ("casesi"): Mark jump table access as
+       non-trapping and unchanging.
+
 2004-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
        PR debug/14829

diff --git a/gcc/config/s390/s390.md b/gcc/config/s390/s390.md
index 0c9af2a..f6aeefb 100644 (file)
--- a/gcc/config/s390/s390.md
+++ b/gcc/config/s390/s390.md
@@ -6912,6 +6912,8 @@
    emit_move_insn (base, gen_rtx_LABEL_REF (Pmode, operands[3]));
 
    index = gen_rtx_MEM (Pmode, gen_rtx_PLUS (Pmode, base, index));
+   RTX_UNCHANGING_P (index) = 1;
+   MEM_NOTRAP_P (index) = 1;
    emit_move_insn (target, index);
 
    if (flag_pic)