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| author | Alan Modra <amodra@gmail.com> | 2014-02-27 08:27:40 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gcc.gnu.org> | 2014-02-27 08:27:40 +1030 |
| commit | 3157b8795f728659e6c5e55e474a12d101049829 (patch) | |
| tree | d235d5154c69d5e4760918b48e86aa3efb258389 /gcc/reload1.c | |
| parent | 4be3d4fa5296e4c13116f62100dd831f4d5dada0 (diff) | |
| download | gcc-3157b8795f728659e6c5e55e474a12d101049829.zip gcc-3157b8795f728659e6c5e55e474a12d101049829.tar.gz gcc-3157b8795f728659e6c5e55e474a12d101049829.tar.bz2 | |
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
Diffstat (limited to 'gcc/reload1.c')
| -rw-r--r-- | gcc/reload1.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c index b789ee8..3d735ee 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; |