From 3157b8795f728659e6c5e55e474a12d101049829 Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Thu, 27 Feb 2014 08:27:40 +1030 Subject: [PATCH] re PR target/57935 (ICE in rs6000_secondary_reload_inner:15181, type = load) PR target/57935 * reload1.c (emit_input_reload_insns): When reload_override_in, set old to rl->in_reg when rl->in_reg is a subreg. From-SVN: r208186 --- gcc/ChangeLog | 6 ++++++ gcc/reload1.c | 7 +++++-- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 89778888c4e2..cdc06fb210c5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2014-02-27 Alan Modra + + PR target/57935 + * reload1.c (emit_input_reload_insns): When reload_override_in, + set old to rl->in_reg when rl->in_reg is a subreg. + 2014-02-26 Richard Biener PR bootstrap/60343 diff --git a/gcc/reload1.c b/gcc/reload1.c index b789ee8f19f3..3d735eeeec97 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -7238,9 +7238,12 @@ emit_input_reload_insns (struct insn_chain *chain, struct reload *rl, /* delete_output_reload is only invoked properly if old contains the original pseudo register. Since this is replaced with a hard reg when RELOAD_OVERRIDE_IN is set, see if we can - find the pseudo in RELOAD_IN_REG. */ + find the pseudo in RELOAD_IN_REG. This is also used to + determine whether a secondary reload is needed. */ if (reload_override_in[j] - && REG_P (rl->in_reg)) + && (REG_P (rl->in_reg) + || (GET_CODE (rl->in_reg) == SUBREG + && REG_P (SUBREG_REG (rl->in_reg))))) { oldequiv = old; old = rl->in_reg; -- 2.47.2