johannes 02/12/02 17:45:06
Modified: live/gcc3/gcc loop.c
Log:
Roll in FSF-approved fix (needed for SPEC compilation)
Revision Changes Path
1.29 +7 -0 src/live/gcc3/gcc/loop.c
Index: loop.c
===================================================================
RCS file: /cvs/Darwin/src/live/gcc3/gcc/loop.c,v
retrieving revision 1.28
retrieving revision 1.29
diff -u -r1.28 -r1.29
--- loop.c 2002/10/24 23:43:03 1.28
+++ loop.c 2002/12/03 01:45:04 1.29
@@ -3294,6 +3294,13 @@
&& REGNO (x) < FIRST_PSEUDO_REGISTER && call_used_regs[REGNO (x)])
return 0;
+ /* Out-of-range regs can occur when we are called from unrolling.
+ These have always been created by the unroller and are set in
+ the loop, hence are never invariant. */
+
+ if (REGNO (x) >= regs->num)
+ return 0;
+
if (regs->array[REGNO (x)].set_in_loop < 0)
return 2;
