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riscv-gcc-1
Commit afbc98a5 by Jim Wilson
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(scan_loop): Add no_labels_between_p call to tests which decide if... 

(scan_loop): Add no_labels_between_p call to tests which
decide if an invariant reg can be safely replaced with its SET_SRC.

From-SVN: r6574
parent dd22b925
Showing with 1 additions and 0 deletions
gcc/loop.c
...@@ -744,6 +744,7 @@ scan_loop (loop_start, end, nregs) ...@@ -744,6 +744,7 @@ scan_loop (loop_start, end, nregs)
might span a call. */ might span a call. */
&& ! modified_between_p (SET_SRC (set), p, && ! modified_between_p (SET_SRC (set), p,
reg_single_usage[regno]) reg_single_usage[regno])
&& no_labels_between_p (p, reg_single_usage[regno])
&& validate_replace_rtx (SET_DEST (set), SET_SRC (set), && validate_replace_rtx (SET_DEST (set), SET_SRC (set),
reg_single_usage[regno])) reg_single_usage[regno]))
{ {
......
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