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[4/4,AArch64] Cost CCMP instruction sequences to choose better expand order

Message ID DB3PR08MB00899A0D167D2FA9D6C0F05283C10@DB3PR08MB0089.eurprd08.prod.outlook.com
State New
Headers show

Commit Message

Wilco Dijkstra Jan. 19, 2016, 6:14 p.m. UTC 
H.J. Lu <hjl.tools@gmail.com> wrote:
> It breaks bootstrap on Linux/x86:

Committed trivial fix as r232576:
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Patch

Index: gcc/ChangeLog
===================================================================
--- gcc/ChangeLog    (revision 232575)
+++ gcc/ChangeLog    (working copy)
@@ -1,3 +1,7 @@ 
+2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
+
+    * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
+
  2016-01-19  Jan Hubicka  <hubicka@ucw.cz>

      PR ipa/66223
Index: gcc/ccmp.c
===================================================================
--- gcc/ccmp.c    (revision 232575)
+++ gcc/ccmp.c    (working copy)
@@ -170,7 +170,7 @@ 
        int unsignedp0, unsignedp1;
        rtx_code rcode0, rcode1;
        int speed_p = optimize_insn_for_speed_p ();
-      rtx tmp2, ret, ret2;
+      rtx tmp2, ret = NULL_RTX, ret2 = NULL_RTX;
        unsigned cost1 = MAX_COST;
        unsigned cost2 = MAX_COST;