peeking at its regno. Fail, don't abort if we can't find
the increment of the desired register.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35443
138bc75d-0d04-0410-961f-
82ee72b054a4
Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
+ * flow.c (find_auto_inc): Verify that we've got a REG before
+ peeking at its regno. Fail, don't abort if we can't find
+ the increment of the desired register.
+
* pa.md (shadd height reduction patterns/splitters): Remove.
2000-08-02 Jim Wilson <wilson@cygnus.com>
if (GET_CODE (y) != PLUS)
return;
- if (REGNO (XEXP (y, 0)) == REGNO (addr))
+ if (REG_P (XEXP (y, 0)) && REGNO (XEXP (y, 0)) == REGNO (addr))
inc_val = XEXP (y, 1);
- else if (REGNO (XEXP (y, 1)) == REGNO (addr))
+ else if (REG_P (XEXP (y, 1)) && REGNO (XEXP (y, 1)) == REGNO (addr))
inc_val = XEXP (y, 0);
else
- abort ();
+ return;
if (GET_CODE (inc_val) == CONST_INT)
{