combine.c (simplify_if_then_else): Make sure the comparison is
against const0_rtx when simplifying to (abs x) or (neg (abs X)).
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@132193
138bc75d-0d04-0410-961f-
82ee72b054a4
+2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
+
+ PR middle-end/34627
+ combine.c (simplify_if_then_else): Make sure the comparison is
+ against const0_rtx when simplifying to (abs x) or (neg (abs X)).
+
2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
PR bootstrap/35051
/* Look for cases where we have (abs x) or (neg (abs X)). */
if (GET_MODE_CLASS (mode) == MODE_INT
+ && comparison_p
+ && XEXP (cond, 1) == const0_rtx
&& GET_CODE (false_rtx) == NEG
&& rtx_equal_p (true_rtx, XEXP (false_rtx, 0))
- && comparison_p
&& rtx_equal_p (true_rtx, XEXP (cond, 0))
&& ! side_effects_p (true_rtx))
switch (true_code)