diff options
| author | jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-07-08 20:23:56 +0000 |
|---|---|---|
| committer | jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-07-08 20:23:56 +0000 |
| commit | c05815b0cbb2281cf4da803412321a16661a4b08 (patch) | |
| tree | c54e05c56fc9658609f5554851b85f2246026263 /gcc/reload.c | |
| parent | 06c10456a4aedcf275bec0731d292b38a171341c (diff) | |
| download | gcc-c05815b0cbb2281cf4da803412321a16661a4b08.tar.gz | |
* reload.c (find_reloads_subreg_address): Do not require validity
of address in original mode before reloading address.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137639 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reload.c')
| -rw-r--r-- | gcc/reload.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index e426d3634f6..5a128f9fb81 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -6049,7 +6049,6 @@ find_reloads_subreg_address (rtx x, int force_replace, int opnum, unsigned inner_size = GET_MODE_SIZE (GET_MODE (SUBREG_REG (x))); int offset; rtx orig = tem; - enum machine_mode orig_mode = GET_MODE (orig); int reloaded; /* For big-endian paradoxical subregs, SUBREG_BYTE does not @@ -6095,7 +6094,9 @@ find_reloads_subreg_address (rtx x, int force_replace, int opnum, /* For some processors an address may be valid in the original mode but not in a smaller mode. For example, ARM accepts a scaled index register in - SImode but not in HImode. find_reloads_address + SImode but not in HImode. Similarly, the address may + have been valid before the subreg offset was added, + but not afterwards. find_reloads_address assumes that we pass it a valid address, and doesn't force a reload. This will probably be fine if find_reloads_address finds some reloads. But if it @@ -6103,7 +6104,6 @@ find_reloads_subreg_address (rtx x, int force_replace, int opnum, valid address into an invalid one. Check for that here. */ if (reloaded != 1 - && strict_memory_address_p (orig_mode, XEXP (tem, 0)) && !strict_memory_address_p (GET_MODE (tem), XEXP (tem, 0))) push_reload (XEXP (tem, 0), NULL_RTX, &XEXP (tem, 0), (rtx*) 0, |