s390.md ("casesi"): Mark jump table access as non-trapping and unchanging.

	* config/s390/s390.md ("casesi"): Mark jump table access as
	non-trapping and unchanging.

From-SVN: r81240

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8b567508deb2e89f199a017fb8b1390cadf2299c..1f8d3e3dea02777d0667c71b2be21698ff77d3ef 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 0c9af2a783991a0732453491ef186d6fb5870561..f6aeefbc175d26d6c82398d89ef915c5b558d298 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)