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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/reload.c12
2 files changed, 16 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9d3429f..deea69f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-05-01 DJ Delorie <dj@redhat.com>
+
+ * reload.c (find_reloads): Also check that all of a multi-reg
+ value is in the class.
+
2003-05-01 Nathan Sidwell <nathan@codesourcery.com>
* scan.h (lineno): Revert the rename here.
diff --git a/gcc/reload.c b/gcc/reload.c
index bc3c177..5a82d99 100644
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -4346,7 +4346,17 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p)
if (regno < FIRST_PSEUDO_REGISTER
&& TEST_HARD_REG_BIT (reg_class_contents[rld[i].class], regno)
&& HARD_REGNO_MODE_OK (regno, rld[i].mode))
- rld[i].reg_rtx = dest;
+ {
+ int nr = HARD_REGNO_NREGS (regno, rld[i].mode);
+ int ok = 1, nri;
+
+ for (nri = 1; nri < nr; nri ++)
+ if (! TEST_HARD_REG_BIT (reg_class_contents[rld[i].class], regno + nri))
+ ok = 0;
+
+ if (ok)
+ rld[i].reg_rtx = dest;
+ }
}
return retval;