re PR rtl-optimization/10157 ([Sparc] internal compiler error: in extract_insn, at recog.c:2188)

	PR optimization/10157
	* gcse.c (can_copy_p): Rename it to can_copy.
	(can_copy_init_p): Remove.
	(compute_can_copy): Use can_copy instead of can_copy_p.
	(can_copy_p): New exported function. Call compute_can_copy.
	(hash_scan_set): Use it.
	(gcse_main): Don't call compute_can_copy.
	(bypass_jumps): Don't call compute_can_copy.
	* rtl.h (can_copy_p): Declare.
	* loop.c (scan_loop): Don't move the source and add a reg-to-reg
	copy if the mode doesn't support copy operations.

From-SVN: r65210

1 files changed, 1 insertions, 0 deletions

diff --git a/gcc/rtl.h b/gcc/rtl.h
index c7e938c..c03172b 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -2112,6 +2112,7 @@ extern rtx expand_mult_highpart		PARAMS ((enum machine_mode, rtx,
 						int, int));
 
 /* In gcse.c */
+extern bool can_copy_p			PARAMS ((enum machine_mode));
 #ifdef BUFSIZ
 extern int gcse_main			PARAMS ((rtx, FILE *));
 extern int bypass_jumps			PARAMS ((FILE *));