Hi!
This patch fixes one of the spots that use replace_rtx, as this changes
debug insns, it clearly wants to replace just based on regno, not on pointer
equality, and for debug insns simplification is always desirable too.
The other place in reload1 that modifies DEBUG_INSNs also uses
simplify_replace_rtx.
Bootstrapped/regtested on {x86_64,i686,powerpc64{,le}}-linux, ok for trunk?
2016-03-18 Jakub Jelinek <ja...@redhat.com>
* reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
instead of replace_rtx for DEBUG_INSNs.
--- gcc/reload1.c.jj 2016-03-02 07:39:13.000000000 +0100
+++ gcc/reload1.c 2016-03-16 10:41:34.622921016 +0100
@@ -7395,7 +7395,9 @@ emit_input_reload_insns (struct insn_cha
/* Adjust any debug insns between temp and insn. */
while ((temp = NEXT_INSN (temp)) != insn)
if (DEBUG_INSN_P (temp))
- replace_rtx (PATTERN (temp), old, reloadreg);
+ INSN_VAR_LOCATION_LOC (temp)
+ = simplify_replace_rtx (INSN_VAR_LOCATION_LOC (temp),
+ old, reloadreg);
else
gcc_assert (NOTE_P (temp));
}
Jakub
