diff options
| author | amodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-02-26 21:57:40 +0000 |
|---|---|---|
| committer | amodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-02-26 21:57:40 +0000 |
| commit | d7c5d1502ef72afb64288737168c2c99520d7d20 (patch) | |
| tree | d235d5154c69d5e4760918b48e86aa3efb258389 /gcc/reload1.c | |
| parent | ebdbf16b534efa890a90894b24951c5e8a512190 (diff) | |
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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@208186 138bc75d-0d04-0410-961f-82ee72b054a4
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 b789ee8f19f..3d735eeeec9 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; |