diff options
Diffstat (limited to 'gnu/usr.bin/cc/cc_int/loop.c')
| -rw-r--r-- | gnu/usr.bin/cc/cc_int/loop.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/gnu/usr.bin/cc/cc_int/loop.c b/gnu/usr.bin/cc/cc_int/loop.c index c6caefe..32f3924 100644 --- a/gnu/usr.bin/cc/cc_int/loop.c +++ b/gnu/usr.bin/cc/cc_int/loop.c @@ -1791,8 +1791,9 @@ move_movables (movables, threshold, insn_count, loop_start, end, nregs) /* Because the USAGE information potentially contains objects other than hard registers we need to copy it. */ - CALL_INSN_FUNCTION_USAGE (i1) = - copy_rtx (CALL_INSN_FUNCTION_USAGE (temp)); + if (CALL_INSN_FUNCTION_USAGE (temp)) + CALL_INSN_FUNCTION_USAGE (i1) = + copy_rtx (CALL_INSN_FUNCTION_USAGE (temp)); } else i1 = emit_insn_before (body, loop_start); @@ -1834,8 +1835,9 @@ move_movables (movables, threshold, insn_count, loop_start, end, nregs) /* Because the USAGE information potentially contains objects other than hard registers we need to copy it. */ - CALL_INSN_FUNCTION_USAGE (i1) = - copy_rtx (CALL_INSN_FUNCTION_USAGE (p)); + if (CALL_INSN_FUNCTION_USAGE (p)) + CALL_INSN_FUNCTION_USAGE (i1) = + copy_rtx (CALL_INSN_FUNCTION_USAGE (p)); } else i1 = emit_insn_before (PATTERN (p), loop_start); |
