re PR rtl-optimization/46395 (FAIL: 22_locale/numpunct/members/pod/2.cc execution test)

andreas-schwab · Andreas Schwab · commit 18c33e032d3e · 2010-11-16T20:17:31.000Z
PR rtl-optimization/46395
* gcc/postreload.c (reload_combine): Invalidate register use
information on all control flow insns.

From-SVN: r166820
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
@@ -1,5 +1,9 @@
 2010-11-16  Andreas Schwab  <schwab@linux-m68k.org>
 
+	PR rtl-optimization/46395
+	* postreload.c (reload_combine): Invalidate register use
+	information on all control flow insns.
+
 	* config/m68k/m68k.c (m68k_delegitimize_address): Also expect
 	LABEL_REF in UNSPEC operand.
 
diff --git a/gcc/postreload.c b/gcc/postreload.c
@@ -1354,8 +1354,8 @@ reload_combine (void)
 	     }
 
 	}
-      else if (JUMP_P (insn)
-	       && GET_CODE (PATTERN (insn)) != RETURN)
+
+      if (control_flow_insn_p (insn) && GET_CODE (PATTERN (insn)) != RETURN)
 	{
 	  /* Non-spill registers might be used at the call destination in
 	     some unknown fashion, so we have to mark the unknown use.  */

Original file line number	Diff line number	Diff line change
`@@ -1354,8 +1354,8 @@ reload_combine (void)`
`1354`	`1354`	`}`
`1355`	`1355`
`1356`	`1356`	`}`
`1357`		`- else if (JUMP_P (insn)`
`1358`		`- && GET_CODE (PATTERN (insn)) != RETURN)`
	`1357`	`+`
	`1358`	`+ if (control_flow_insn_p (insn) && GET_CODE (PATTERN (insn)) != RETURN)`
`1359`	`1359`	`{`
`1360`	`1360`	`/* Non-spill registers might be used at the call destination in`
`1361`	`1361`	`some unknown fashion, so we have to mark the unknown use. */`